WO2019096082A1 - 下行控制信息确定方法和通信装置 - Google Patents

下行控制信息确定方法和通信装置 Download PDF

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Publication number
WO2019096082A1
WO2019096082A1 PCT/CN2018/114995 CN2018114995W WO2019096082A1 WO 2019096082 A1 WO2019096082 A1 WO 2019096082A1 CN 2018114995 W CN2018114995 W CN 2018114995W WO 2019096082 A1 WO2019096082 A1 WO 2019096082A1
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Prior art keywords
information
downlink control
control information
terminal device
domain
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PCT/CN2018/114995
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English (en)
French (fr)
Inventor
马蕊香
吕永霞
邵家枫
宋兴华
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华为技术有限公司
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Priority to EP18879138.8A priority Critical patent/EP3700274B1/en
Priority to KR1020207014443A priority patent/KR102364804B1/ko
Priority to RU2020119656A priority patent/RU2769837C2/ru
Priority to EP22161270.8A priority patent/EP4080968A1/en
Priority to JP2020526926A priority patent/JP7017632B2/ja
Priority to AU2018369067A priority patent/AU2018369067B2/en
Priority to BR112020009647-4A priority patent/BR112020009647B1/pt
Publication of WO2019096082A1 publication Critical patent/WO2019096082A1/zh
Priority to US16/876,103 priority patent/US11324010B2/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/53Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028Formatting
    • H04L1/003Adaptive formatting arrangements particular to signalling, e.g. variable amount of bits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026Transmission of channel quality indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027Scheduling of signalling, e.g. occurrence thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0092Indication of how the channel is divided
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0094Indication of how sub-channels of the path are allocated
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/27Transitions between radio resource control [RRC] states
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0036Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
    • H04L1/0038Blind format detection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]

Definitions

  • the present application relates to the field of communications, and in particular, to a method and a communication device for determining downlink control information.
  • the terminal device before receiving the downlink data or transmitting the uplink data, the terminal device needs to obtain scheduling information configured by the network device to the terminal device, such as time-frequency resource allocation, modulation and coding, and the like, and the network device also needs to notify the terminal device and the uplink. Transfer information such as power control commands. Therefore, the network device sends downlink control information (DCI) to the terminal device, where the downlink control information carries one or more information fields, and each information field indicates information such as the scheduling information and the power control command for the terminal device. It can be considered that the downlink control control information is used to schedule data transmission.
  • DCI downlink control information
  • the downlink control information is mainly carried by the downlink control channel (for example, the physical downlink control channel, the PDCCH, and of course, the downlink control information can be carried by other channels).
  • the user equipment first performs blind detection in the search space of the control resource set or the control area, and may consider that the search space is a set of terminal devices listening to the downlink control channel.
  • the search space includes a common search space and a user equipment specific search space (also referred to as a terminal device specific search space, referred to as a specific search space), wherein the common search space is a search space that multiple terminal devices are to listen to, and the specific search space is within the cell.
  • the terminal device For downlink control information having the same payload size, even if their formats are different, the terminal device only needs to perform one blind detection in the search space, and then determine which format is specifically after receiving the downlink control information; However, for downlink control information having a different number of bits, the terminal device needs to perform blind detection for each bit number. The more times the blind detection is performed, the longer the terminal device performs blind detection, and the longer the delay of data transmission, and the greater the power consumption of the terminal device. In addition, the longer the number of bits of the downlink control information, the greater the overhead of occupying system resources, and the lower the efficiency of data transmission.
  • the embodiments of the present application provide a method and a device for determining various downlink control information, so as to better meet service requirements and scenario requirements.
  • the embodiment of the present application provides a method for determining downlink control information performed by a terminal device, including:
  • the downlink control information includes at least one information domain.
  • the at least one information field includes a first information field, the first information field indicates a format of the downlink control information, and the format of the downlink control information is one of multiple formats. Format, the multiple formats correspond to the same number of bits.
  • the downlink control information of multiple formats corresponds to the same number of bits, that is, the number of bits of the downlink control information of multiple formats is the same, and the terminal device can receive one of the formats by performing only one blind detection process.
  • the downlink control information reduces the delay of the terminal device receiving the downlink control information, saves power, and can better meet the scenario or service requirement.
  • the first information field further indicates a transmission direction of the data transmission scheduled by the downlink control information.
  • the case where the downlink control information is received in a common search space or a common control resource set, or the case where the format of the received downlink control information is a first format the at least one information The domain does not carry the information indicated by the second information domain;
  • the method further includes: receiving high layer signaling; the high layer signaling indicates that the downlink control information includes the second information domain, and/or the high layer signaling indicates the second The number of bits in the information field;
  • the second information field indicates the carrier corresponding to the data transmission scheduled by the downlink control information, or the second information field indicates whether the unoccupied time-frequency resource in the pre-configured resource set can be downlinked.
  • the at least one information field includes a third information field, where the third information field indicates a frequency domain resource location occupied by data transmission scheduled by the downlink control information;
  • the downlink control information is received in a common search space or a common control resource set, or in the case where the format of the received downlink control information is the first format:
  • the downlink control information is scrambled by the first wireless network temporary identifier, the frequency domain location indicated by the third information domain is in the first bandwidth portion, and the reference physical resource block of the frequency domain resource location indicated by the third information domain is 0.
  • the location is the physical resource block 0 in the first bandwidth portion; or the downlink control information is scrambled by the second wireless network temporary identifier, where the frequency domain resource location indicated by the third information domain of the downlink control information is Within the second bandwidth portion, and the reference physical resource block 0 location of the frequency domain resource location indicated by the third information domain is the physical resource block 0 in the second bandwidth portion;
  • the downlink control information is received in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the received downlink control information is the second format:
  • the third domain of the downlink control information corresponding to the indicated frequency domain resource location is in the third bandwidth portion, and the reference physical resource block 0 location of the frequency domain resource location indicated by the third information domain is the third bandwidth portion. Physical resource block 0 within.
  • the downlink control information is received in a common search space or a common control resource set, or in the case where the format of the received downlink control information is the first format:
  • the at least one information field does not carry the information indicated by the fourth information field
  • the downlink control information corresponds to the preset time domain resource information
  • the preset time domain resource information indicates the data transmission scheduled by the downlink control information.
  • the downlink control information is received in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the received downlink control information is the second format:
  • the at least one information field includes the fourth information domain;
  • the fourth information domain includes Bit, said At least one state value of the bit corresponds to a row in the second table, and at least one row in the second table indicates at least one of a start symbol, a symbol length, and a termination symbol, the M being a positive integer;
  • the fourth information field indicates a time domain resource location occupied by data transmission scheduled by the downlink control information.
  • the first table is composed of N rows in the third table, wherein at least one row in the third table indicates at least one of a start symbol, a symbol length, and a termination symbol.
  • the third table is specified by the agreement, or the third form is configured by high layer signaling; and/or
  • the second table is composed of M rows in the fourth table, wherein at least one of the fourth tables indicates at least one of a start symbol, a symbol length, and a termination symbol, the fourth table being specified by the protocol Or, the fourth table is configured by high layer signaling.
  • the downlink control information is received in a common search space or a common control resource set, or in the case where the format of the received downlink control information is the first format:
  • the at least one information field does not carry the information indicated by the fifth information field, and the downlink control information corresponds to a preset K value, where the preset K value indicates that the downlink control information is scheduled to be corresponding to the data. a time interval between HARQ feedbacks; or, the at least one information field includes the fifth information domain, and the fifth information domain includes Bit, said At least one state value of the bit corresponds to one of P K values, the P K values indicating a time interval between data of the downlink control information scheduling and HARQ feedback corresponding to the data, where P is a positive integer ;
  • the downlink control information is received in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the received downlink control information is the second format:
  • the at least one information field includes the fifth information domain, the method further comprising: receiving configuration information, the configuration information indicating a set of K values, the combination of the K values including Q K values, the fifth Information domain includes Bit, said At least one state value of the bit corresponds to one of the Q K values, the Q K values indicating a time interval between data of the downlink control information scheduling and HARQ feedback corresponding to the data, where Q is A positive integer.
  • the case where the downlink control information is received in a common search space or a common control resource set, or the case where the format of the received downlink control information is a first format the at least one information The domain does not carry the information indicated by the sixth information domain;
  • the at least one information domain includes a sixth information field, where the sixth information field is greater than or equal to 1 bit;
  • the sixth information field indicates that the terminal device indicates whether the terminal device needs to report aperiodic channel quality information (CQI), and/or the sixth information field indicates whether the terminal device performs channel sounding reference. Signal (SRS) measurement.
  • CQI channel quality information
  • SRS channel sounding reference. Signal
  • the downlink control information is received in a common search space or a common control resource set, or in the case where the format of the received downlink control information is the first format:
  • the at least one information field includes a seventh information domain, the seventh information domain is greater than or equal to 1 bit, and the state value of the seventh information domain corresponds to one of X redundancy versions, where X is a positive integer;
  • the downlink control information is received in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the received downlink control information is the second format:
  • the at least one information domain does not carry the information indicated by the seventh information domain, the data transmission of the downlink control information scheduling adopts a preset redundancy version; or the at least one information domain includes the seventh information a domain, the seventh information field is greater than or equal to 1 bit, and a state value of the seventh information domain corresponds to one of L redundancy versions, where L is a positive integer;
  • the seventh information field is used to indicate a redundancy version adopted by the data transmission scheduled by the downlink control information.
  • the downlink control information is received in a common search space or a common control resource set, or in the case where the format of the received downlink control information is the first format:
  • the at least one information field does not carry information indicated by the eighth information field; or the at least one information field includes the eighth information field, the eighth information field is greater than or equal to 1 bit, and the greater than or equal to 1
  • the bit is used to indicate whether the terminal device performs the reporting of the channel state measurement, and the manner of the channel state measurement comprises: performing measurement based on the reference signal of the nearest synchronization data block, and performing measurement based on the control resource set and the reference signal where the system information is located, And one of performing measurement based on a reference signal of a broadcast channel;
  • the downlink control information is received in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the received downlink control information is the second format:
  • the at least one information field includes the eighth information field and the ninth information field, where the eighth information field is greater than or equal to 1 bit, and the greater than or equal to 1 bit is used to indicate whether the terminal device performs channel state measurement reporting.
  • the ninth information field is greater than or equal to 1 bit, and the ninth information field indicates one of V reference signals used for channel state measurement, and the V reference signals used for channel state measurement are high-level The signaling is configured, and the V is a positive integer.
  • the at least one information field includes a tenth information field, and the tenth information field indicates an uplink control channel resource configured for data transmission scheduled by the downlink control information;
  • the downlink control information is received in a common search space or a common control resource set, or in the case where the format of the received downlink control information is the first format:
  • the tenth information field includes Bit, said At least one state value of the bit corresponds to one of the B uplink control channel resources, the B uplink control channel resources correspond to an index of an item in the fifth table, and the one item corresponds to one uplink control channel resource,
  • the fifth table is configured by system information, and the B is a positive integer;
  • the downlink control information is received in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the received downlink control information is the second format:
  • the tenth information field includes Bit, said At least one state value of the bit corresponds to one of the A uplink control channel resources, where the A uplink control channel resources correspond to an index of an item in the sixth table, and the one item corresponds to one uplink control channel resource,
  • the sixth table is user-specific high layer signaling configuration.
  • the downlink control information is received in a common search space or a common control resource set, or in the case where the format of the received downlink control information is the first format:
  • the at least one information field does not carry information indicated by the eleventh information field, and the eleventh information field indicates a demodulation reference signal port and a downlink reference signal port used for data transmission scheduled by the downlink control information. a quasi-coordinated (quasi-co-located) relationship; the downlink control information is used to indicate, according to the search space where the downlink control information is located, or the same location relationship of the control resource set where the downlink control information is located Determining a hypothetical positioning relationship hypothesis of data transmission of downlink control information scheduling;
  • the downlink control information is received in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the received downlink control information is the second format:
  • the at least one information field does not carry information indicated by the eleventh information field;
  • the eleventh information field indicates a demodulation reference signal port and a downlink reference signal port used for data transmission scheduled by the downlink control information Quasi-coordinated (quasi-co-located) relationship hypothesis;
  • the second aspect provides a method for determining downlink control information performed by a network device, including:
  • the downlink control information is sent in a specific search space of the terminal device or a specific control resource set.
  • the at least one information field includes a first information field, the first information field indicates a format of the downlink control information, and the format of the downlink control information is one of multiple formats. Format, the multiple formats correspond to the same number of bits.
  • the first information field further indicates a transmission direction of the data transmission scheduled by the downlink control information.
  • the method further includes: transmitting high layer signaling; the high layer signaling indicates that the downlink control information includes the second information domain, and/or the high layer signaling indicates the second The number of bits in the information field;
  • the second information field indicates a carrier corresponding to the data transmission scheduled by the downlink control information, or the second information field indicates whether an unoccupied time-frequency resource in the pre-configured resource set can be The data transmission of the downlink control information scheduling is occupied.
  • the at least one information field includes a third information field, where the third information field indicates a frequency domain resource location occupied by data transmission scheduled by the downlink control information;
  • the downlink control information is transmitted in a common search space or a common control resource set, or in the case where the format of the transmitted downlink control information is the first format:
  • the downlink control information is scrambled by the first wireless network temporary identifier, the frequency domain location indicated by the third information domain is in the first bandwidth portion, and the reference physical resource block of the frequency domain resource location indicated by the third information domain is 0.
  • the location is the physical resource block 0 in the first bandwidth portion; or the downlink control information is scrambled by the second wireless network temporary identifier, where the frequency domain resource location indicated by the third information domain of the downlink control information is Within the second bandwidth portion, and the reference physical resource block 0 location of the frequency domain resource location indicated by the third information domain is the physical resource block 0 in the second bandwidth portion;
  • the downlink control information is transmitted in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the transmitted downlink control information is the second format:
  • the third domain of the downlink control information corresponding to the indicated frequency domain resource location is in the third bandwidth portion, and the reference physical resource block 0 location of the frequency domain resource location indicated by the third information domain is the third bandwidth portion. Physical resource block 0 within.
  • the downlink control information is transmitted in a common search space or a common control resource set, or in the case where the format of the transmitted downlink control information is the first format:
  • the at least one information field does not carry the information indicated by the fourth information field
  • the downlink control information corresponds to the preset time domain resource information
  • the preset time domain resource information indicates the data transmission scheduled by the downlink control information.
  • the downlink control information is transmitted in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the transmitted downlink control information is the second format:
  • the at least one information field includes the fourth information domain;
  • the fourth information domain includes Bit, said At least one state value of the bit corresponds to a row in the second table, and at least one row in the second table indicates at least one of a start symbol, a symbol length, and a termination symbol, the M being a positive integer;
  • the fourth information field indicates a time domain resource location occupied by data transmission scheduled by the downlink control information.
  • the first table is composed of N rows in the third table, wherein at least one row in the third table indicates at least one of a start symbol, a symbol length, and a termination symbol.
  • the third table is specified by the agreement, or the third form is configured by high layer signaling; and/or
  • the second table is composed of M rows in the fourth table, wherein at least one of the fourth tables indicates at least one of a start symbol, a symbol length, and a termination symbol, the fourth table being specified by the protocol Or, the fourth table is configured by high layer signaling.
  • the downlink control information is transmitted in a common search space or a common control resource set, or in the case where the format of the transmitted downlink control information is the first format:
  • the at least one information field does not carry the information indicated by the fifth information field, and the downlink control information corresponds to a preset K value, where the preset K value indicates that the downlink control information is scheduled to be corresponding to the data. a time interval between HARQ feedbacks; or, the at least one information field includes the fifth information domain, and the fifth information domain includes Bit, said At least one state value of the bit corresponds to one of P K values, the P K values indicating a time interval between data of the downlink control information scheduling and HARQ feedback corresponding to the data, where P is a positive integer ;
  • the downlink control information is transmitted in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the transmitted downlink control information is the second format:
  • the at least one information field includes the fifth information domain
  • the method further includes: transmitting configuration information, the configuration information indicating a set of K values, the combination of the K values including Q K values, the fifth Information domain includes Bit, said At least one state value of the bit corresponds to one of the Q K values, the Q K values indicating a time interval between data of the downlink control information scheduling and HARQ feedback corresponding to the data, where Q is A positive integer.
  • the case where the downlink control information is transmitted in a common search space or a common control resource set, or the case where the format of the transmitted downlink control information is the first format the at least one information The domain does not carry the information indicated by the sixth information field; and/or
  • the at least one information domain includes a sixth information field, where the sixth information field is greater than or equal to 1 bit;
  • the sixth information field indicates that the terminal device indicates whether the terminal device needs to report aperiodic channel quality information (CQI), and/or the sixth information field indicates whether the terminal device performs channel sounding reference. Signal (SRS) measurement.
  • CQI channel quality information
  • SRS channel sounding reference. Signal
  • the downlink control information is transmitted in a common search space or a common control resource set, or in the case where the format of the transmitted downlink control information is the first format:
  • the at least one information field includes a seventh information domain, the seventh information domain is greater than or equal to 1 bit, and the state value of the seventh information domain corresponds to one of X redundancy versions, where X is a positive integer;
  • the downlink control information is transmitted in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the transmitted downlink control information is the second format:
  • the at least one information domain does not carry the information indicated by the seventh information domain, the data transmission of the downlink control information scheduling adopts a preset redundancy version; or the at least one information domain includes the seventh information a domain, the seventh information field is greater than or equal to 1 bit, and a state value of the seventh information domain corresponds to one of L redundancy versions, where L is a positive integer;
  • the seventh information field is used to indicate a redundancy version used for data transmission of the downlink control information scheduling.
  • the downlink control information is transmitted in a common search space or a common control resource set, or in the case where the format of the transmitted downlink control information is the first format:
  • the at least one information field does not carry information indicated by the eighth information field; or the at least one information field includes the eighth information field, the eighth information field is greater than or equal to 1 bit, and the greater than or equal to 1
  • the bit is used to indicate whether the terminal device performs the reporting of the channel state measurement, and the manner of the channel state measurement comprises: performing measurement based on the reference signal of the nearest synchronization data block, and performing measurement based on the control resource set and the reference signal where the system information is located, And one of performing measurement based on a reference signal of a broadcast channel;
  • the downlink control information is transmitted in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the transmitted downlink control information is the second format:
  • the at least one information field includes the eighth information field and the ninth information field, where the eighth information field is greater than or equal to 1 bit, and the greater than or equal to 1 bit is used to indicate whether the terminal device performs channel state measurement reporting.
  • the ninth information field is greater than or equal to 1 bit, and the ninth information field indicates one of V reference signals used for channel state measurement, and the V reference signals used for channel state measurement are high-level The signaling is configured, and the V is a positive integer.
  • the at least one information field includes a tenth information field, and the tenth information field indicates an uplink control channel resource configured for data transmission scheduled by the downlink control information;
  • the downlink control information is transmitted in a common search space or a common control resource set, or in the case where the format of the transmitted downlink control information is the first format:
  • the tenth information field includes Bit, said At least one state value of the bit corresponds to one of the B uplink control channel resources, the B uplink control channel resources correspond to an index of an item in the fifth table, and the one item corresponds to one uplink control channel resource,
  • the fifth table is configured by system information, and the B is a positive integer;
  • the downlink control information is transmitted in a specific search space or a specific control resource set of the terminal device, or in the case where the format of the transmitted downlink control information is the second format:
  • the tenth information field includes Bit, said At least one state value of the bit corresponds to one of the A uplink control channel resources, where the A uplink control channel resources correspond to an index of an item in the sixth table, and the one item corresponds to one uplink control channel resource,
  • the sixth table is user-specific high layer signaling configuration.
  • the downlink control information is transmitted in a common search space or a common control resource set, or in the case where the format of the transmitted downlink control information is the first format:
  • the at least one information field does not carry information indicated by the eleventh information field;
  • the eleventh information field indicates a demodulation reference signal port and a downlink reference signal port used for data transmission scheduled by the downlink control information a quasi-coordinated (quasi-co-located) relationship;
  • the downlink control information is used to indicate, according to the search space where the downlink control information is located, or the same location relationship of the control resource set where the downlink control information is located Determining a hypothetical positioning relationship hypothesis of data transmission of downlink control information scheduling;
  • the at least one information domain is not carried
  • the information indicated by the eleventh information field; the eleventh information field indicates a quasi-coordinated positioning between the demodulation reference signal port and the downlink reference signal port used for data transmission scheduled by the downlink control information (quasi-co- Located) relationship assumptions;
  • the present application provides a terminal device having the function of the behavior of the terminal device in the method of the above first aspect.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the present application provides a network device having the function of network device behavior in the method of the second aspect above.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more modules corresponding to the functions described above.
  • the present application provides a terminal device, where the terminal device includes a processor and a transceiver, and the processor is configured to support the terminal device to perform a corresponding function in the foregoing method, for example, determining a downlink involved in the foregoing method. Control information.
  • the transceiver is configured to support the terminal device to send information related to the foregoing method, for example, receiving the downlink control information.
  • the structure of the terminal device may further include a memory for coupling with the processor to save necessary program instructions and data of the terminal device.
  • the application provides a network device, where the network device includes a processor configured to support a network device to perform a corresponding function in the foregoing method, for example, determining downlink control information involved in the foregoing method.
  • the network device may further include a transceiver, and the transceiver is configured to support the network device to receive information involved in the foregoing method, for example, to send the downlink control information.
  • the structure of the network device may further include a memory for coupling with the processor to save necessary program instructions and data of the terminal device.
  • the present application provides a communication system, comprising the terminal device and the network device according to the above aspect, the terminal device and the network device communicating with each other to perform the method for determining downlink control information according to the foregoing aspect.
  • the present application provides a computer storage medium for storing computer software instructions for use in the terminal device, including a program designed to perform the above aspects.
  • the present application provides a computer storage medium for storing computer software instructions for use in the network device described above, comprising a program designed to perform the above aspects.
  • the present application provides a chip system, including a processor, for supporting a terminal device to implement the functions involved in the foregoing aspects, for example, determining downlink control information involved in the foregoing method.
  • the chip system further includes a memory for holding program instructions and data necessary for the data transmitting device.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the present application provides a chip system, including a processor, for supporting a network device to implement the functions involved in the foregoing aspects, for example, determining downlink control information involved in the foregoing method.
  • the chip system further includes a memory for holding program instructions and data necessary for the data receiving device.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the embodiment of the present application provides a method for determining downlink control information performed by a terminal device, including:
  • the terminal device receives the downlink control information, where the downlink control information includes an index value of a modulation coding scheme (MCS), and the index value of the MCS is at least one of N index values in the MCS table, and the N
  • MCS modulation coding scheme
  • the modulation mode corresponding to the index value X in the index value is QPSK, and the corresponding code rate is multiplied by 1024 is less than or equal to 82;
  • the terminal device determines a modulation mode and an encoding code rate for data transmission according to the index value of the MCS.
  • the method further includes: the index value X is an index value of 1.
  • the method further includes: multiplying the code rate corresponding to the index value X by 1024 is greater than or equal to 43; and/or, the efficiency value is greater than or equal to 0.083579; and/or the efficiency value is less than or equal to 0.1592.
  • the code rate in the MCS table whose modulation mode is the index value X multiplied by 1024 includes at least one of the following values:
  • the code rate in the MCS table whose modulation mode is the index value X multiplied by 1024 includes at least one of the following values:
  • the index value 12 to the index value 15 in the MCS table corresponds to a modulation mode of 16QAM.
  • the N index values in the MCS table correspond to at least two coding modes and one non-coding mode, and specifically include:
  • the index value 0 does not correspond to the data and the encoding mode.
  • the encoding method corresponding to the index value X is Polar, and the encoding method corresponding to the index value Y is LDPC, wherein the index value Y is greater than the index value X.
  • the MCS table corresponds to at least two BLERs, and specifically includes: a first BLER corresponding to the index value X, and a second BLER corresponding to the index value Y, wherein the index value Y is greater than the index value X. Further optionally, the second BLER is smaller than the first BLER.
  • the N index values in the MCS table include the number of index values corresponding to the LDPC in the encoding mode being greater than or equal to the number of index values corresponding to the encoding mode.
  • the MCS table corresponds to at least one BLER, and the BLER is at least one of the following: 10e-1, 10e-2, 10e-3, 10e-4, 10e-5.
  • the beneficial effects of the embodiments of the present application include: Since the existing LTE system only supports the MCS table of 10e-1, but multiple BLERs have been introduced in the 5G NR, the prior art table does not adapt to the 5G system. Further, in consideration of the service characteristics of the URLLC, an indication of an MCS with a lower code rate needs to be introduced. Therefore, the present application provides MCS indication information that can be implemented under different BLERs, so that the 5G NR system supports MCS indications of multiple BLERs, thereby Implement the need to support URLLC services.
  • FIG. 1 is a schematic diagram of a possible application scenario of the present application
  • FIG. 2 is a schematic diagram of a process for determining downlink control information by a network device and a terminal device provided by the present application;
  • FIG. 3 is a schematic diagram of a process of determining downlink control information by another network device and a terminal device provided by the present application;
  • FIG. 4 is a schematic structural diagram of a terminal device provided by the present application.
  • FIG. 5 is a schematic structural diagram of a network device provided by the present application.
  • the time domain of the LTE system is identified by a radio frame.
  • One radio frame includes 10 subframes, each subframe has a length of 1 millisecond, and each subframe includes two slots, each of which is 0.5 milliseconds.
  • the number of symbols included in each slot is related to the cyclic prefix (CP) length in the subframe.
  • CP cyclic prefix
  • each slot includes 7 symbols, and each subframe is composed of 14 symbols.
  • each subframe has a sequence number of #0, #1, #2, #3, #4, #5, respectively.
  • each slot includes 6 symbols, and each subframe is composed of 12 symbols.
  • each subframe has a sequence number of #0, #1, #2, #3, #4, #5, respectively. Symbolic composition of #6, #7, #8, #9, #10, #11.
  • the 5G system Take the 5G system as an example.
  • there are multiple service types and multiple service types correspond to different service requirements, such as Ultra-Reliable and Low-Latency Communication (URLLC).
  • URLLC Ultra-Reliable and Low-Latency Communication
  • EMBB Enhanced Mobile Broadband
  • mMTC Massive Machine Type Communication
  • the length of the subframe in the 5G system may not be 1 millisecond.
  • each subframe consists of multiple symbols, and the length of the subframe depends on different subcarrier spacing.
  • the length of the subframe is 1 millisecond; if the subcarrier spacing is greater than 15 kHz, Then the length of the subframe may be less than 1 millisecond.
  • the 5G system may include multiple subcarrier spacing transmissions. Therefore, the time lengths of the subframes corresponding to different subcarrier spacings are different, and the spacing of symbols corresponding to different subcarrier spacings may also be different.
  • the symbol includes an uplink symbol and a downlink symbol
  • the symbol may be a single carrier-frequency division multiple access (SC-FDMA) symbol, or may be a cyclic prefix orthogonal.
  • SC-FDMA single carrier-frequency division multiple access
  • CP-OFDM frequency division multiple access
  • This application does not limit the uplink multiple access mode and the downlink multiple access mode.
  • the network device sends Downlink Control Information (DCI) to the terminal to schedule data transmission.
  • DCI Downlink Control Information
  • At least one information field may be included in the DCI, wherein different information fields may indicate different information to instruct the terminal device to perform different processing.
  • the DCI includes an information field for indicating a physical uplink shared channel (PUSCH) power, that is, the network device notifies the terminal device to transmit the PUSCH according to the PUSCH power indicated by the information field.
  • the DCI includes an uplink DCI and a downlink DCI, the uplink DCI is used to schedule uplink data, and the downlink DCI is used to schedule downlink data.
  • the downlink control channel is a channel for carrying DCI, that is, the DCI is carried on the downlink control channel.
  • the downlink control channel may be a physical downlink control channel (PDCCH), or an enhanced PDCCH, and a channel defined by a future version for carrying DCI.
  • PDCCH physical downlink control channel
  • the channel carrying the DCI is located in a physical downlink shared channel (PDSCH) region, the channel is also regarded as a downlink control channel.
  • PDSCH physical downlink shared channel
  • the search space is composed of one or more candidate downlink control channels, and each candidate downlink control channel can be used to carry DCI.
  • the search space is a collection of downlink candidate control channels.
  • a control resource set which may be referred to as CORESET, is a time-frequency resource for transmitting a downlink control channel.
  • CORESET 1 There are mainly three control resource sets, one is a CORESET configured through a broadcast channel, used to schedule system messages and seek Call message, etc., can be called CORESET 1; one is CORESET for system information configuration, used to schedule data scheduling during random intervention, which can be called CORESET 2; the other is user-specific high-level signaling configuration CORESET3, It is used to schedule data transmission of users after normal access.
  • the search space consists of one or more PDCCHs, which may be referred to as a PDCCH search space.
  • the search space consists of one or more enhanced PDCCHs, which may be referred to as an enhanced PDCCH search space.
  • the high layer signaling may refer to signaling sent by a higher layer protocol layer, and the upper layer protocol layer is at least one protocol layer in each protocol layer above the physical layer.
  • the upper layer protocol layer may specifically be at least one of the following protocol layers: a medium access control (MAC) layer, a radio link control (RLC) layer, and a packet data convergence protocol (Packet Data Convergence). Protocol, PDCP) layer, Radio Resource Control (RRC) layer, and Non Access Stratum (NAS).
  • MAC medium access control
  • RLC radio link control
  • Packet Data Convergence Packet Data Convergence
  • Protocol PDCP
  • RRC Radio Resource Control
  • NAS Non Access Stratum
  • the embodiments of the present application provide a method and a device for determining various downlink control information, so as to better meet service requirements and scenario requirements. Without loss of generality, the present application describes various embodiments in connection with network devices and terminal devices.
  • Embodiments of the present application can be applied to various wireless communication systems, such as Global System of Mobile communication (GSM), Code Division Multiple Access (CDMA) systems, and Wideband Code Division Multiple Access ( Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS) system, Universal Mobile Telecommunications System (UMTS), etc., especially for LTE systems and LTE-A systems and NR system.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • UMTS Universal Mobile Telecommunications System
  • the terminal device may also be called a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless communication device. , user agent or user device.
  • UE User Equipment
  • the terminal device may be a station in a Wireless Local Area Networks (WLAN) (STAION, ST); or may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless local loop) Local Loop, WLL) station, Personal Digital Assistant (PDA) device, handheld device with wireless communication function, computing device or other processing device connected to the wireless modem, in-vehicle device, wearable device;
  • a generation communication system for example, a terminal device in a 5G system or a terminal device in a future evolved Public Land Mobile Network (PLMN), or a terminal device in an NR system, or the like.
  • PLMN Public Land Mobile Network
  • the terminal device may also be a wearable device.
  • a wearable device which can also be called a wearable smart device, is a general term for applying wearable technology to intelligently design and wear wearable devices such as glasses, gloves, watches, clothing, and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are more than just a hardware device, but they also implement powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-size, non-reliable smartphones for full or partial functions, such as smart watches or smart glasses, and focus on only one type of application, and need to work with other devices such as smartphones. Use, for example, various types of smart bracelets for smart sign monitoring, smart jewelry, etc.
  • a network device can be a device for communicating with a mobile device.
  • the network device may be an Access Point (AP) in a WLAN, a Base Transceiver Station (BTS) in GSM or CDMA, a base station (NodeB, NB) in WCDMA, or an LTE.
  • AP Access Point
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE LTE
  • Evolved NodeB (eNB or eNodeB) or a relay station or access point, or an in-vehicle device, a wearable device, and a network device in a future 5G system or a network device in a future evolved PLMN, or an NR system New generation NodeB (gNodeB), etc.
  • gNodeB NR system New generation NodeB
  • the network device provides a service for the cell
  • the terminal device communicates with the network device by using a transmission resource (for example, a frequency domain resource, or a spectrum resource) used by the cell
  • the cell may be a network device (for example, The corresponding cell of the base station, the cell may belong to the macro base station, or may belong to the base station corresponding to the small cell, where the small cell may include: a metro cell, a micro cell, and a pico cell. Cell, femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • multiple carriers can work at the same frequency on the carrier in the LTE system or the NR system.
  • the concept of the carrier and the cell can be considered to be equivalent.
  • CA carrier aggregation
  • the carrier index of the secondary carrier and the cell identifier of the secondary cell working in the secondary carrier Cell Indentify, Cell ID
  • the carrier can be considered to be equivalent to the concept of the cell, for example, the terminal device accessing one carrier and accessing one cell are equivalent.
  • the method and device provided by the embodiments of the present application can be applied to various communication devices, for example, to a terminal device or a network device, where the terminal device or the network device includes a hardware layer, an operating system layer running on the hardware layer, and running.
  • the application layer on the operating system layer.
  • the hardware layer includes hardware such as a central processing unit (CPU), a memory management unit (MMU), and a memory (also referred to as main memory).
  • the operating system may be any one or more computer operating systems that implement business processing through a process, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a Windows operating system.
  • the application layer includes applications such as browsers, contacts, word processing software, and instant messaging software.
  • the specific structure of the execution body of the method provided by the embodiment of the present application is not particularly limited as long as the program of the code of the method provided by the embodiment of the present application can be run by using the program according to the present application.
  • the method can be communicated.
  • the execution body of the method provided by the embodiment of the present application may be a terminal device or a network device, or a function module that can call a program and execute a program in the terminal device or the network device.
  • the term "article of manufacture” as used in this application encompasses a computer program accessible from any computer-readable device, carrier, or media.
  • the computer readable medium may include, but is not limited to, a magnetic storage device (eg, a hard disk, a floppy disk, or a magnetic tape, etc.), such as a compact disc (CD), a digital versatile disc (Digital Versatile Disc, DVD). Etc.), smart cards and flash memory devices (eg, Erasable Programmable Read-Only Memory (EPROM), cards, sticks or key drivers, etc.).
  • various storage media described herein can represent one or more devices and/or other machine-readable media for storing information.
  • the term "machine-readable medium” may include, without limitation, a wireless channel and various other mediums capable of storing, containing, and/or transmitting instructions and/or data.
  • a plurality as referred to herein means two or more.
  • "and/or” describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
  • the symbol “/” generally indicates that the contextual object is an "or" relationship.
  • FIG. 1 is a schematic diagram of an application scenario in which the solution of the embodiment of the present application can be applied.
  • the application scenario includes a cell base station 101, a terminal device 102 and a terminal device 103 that are in coverage of the cell base station 101 and are in communication with the cell base station 101.
  • the cell base station 101 may be a base station of the LTE system.
  • the terminal device 102 and the terminal device 103 may be terminal devices of the corresponding LTE system, and the cell base station 101 and the terminal device 102 are devices that support short transmission time interval (TTI) transmission, and the terminal device 103 does not support short. TTI (short TTI, sTTI) transmission equipment.
  • the cell base station 101 can communicate with the terminal device 102 using a short TTI or a normal 1 millisecond (ms) TTI, respectively.
  • the cell base station 101 can communicate with the terminal device 103 using a normal 1 ms TTI.
  • FIG. 2 is a schematic diagram of an interaction process for determining downlink control information according to an embodiment of the present application.
  • the embodiment in FIG. 2 determines downlink control information (eg, downlink control information, DCI) by a network device, and sends the downlink control information (DCI) to the terminal device.
  • DCI downlink control information
  • the terminal device receives the downlink control information from the network device and determines the received downlink control information as an example.
  • the embodiment of the present application is not limited thereto, and any communication scenario for determining the downlink control information is applicable. The technical solution provided by the embodiment of the present application.
  • Step 201 The network device determines downlink control information, where the downlink control information includes at least one information domain.
  • the downlink control information may include one or more information domains, where the one or more information domains may be used to indicate one or more information, for example, the one or more information may be: The carrier information used for data transmission of the control channel scheduling, the time-frequency resource information occupied by the data scheduled by the downlink control channel, the modulation and coding scheme used for the data scheduled by the downlink control channel, the redundancy version adopted by the downlink control channel scheduling data, and the like All information that needs to be known during data reception or transmission of downlink data channel scheduling.
  • the at least one information field includes a first information field, the first information field indicates a format of the downlink control information, and the format of the downlink control information is one of multiple formats. A format that corresponds to the same number of bits.
  • the DCI format and the DCI format are simply referred to as a format unless otherwise specified.
  • the number of bits corresponding to the format or the number of bits of the downlink control information in the format refers to the number of payloads actually sent by the network device when transmitting downlink control information of the format.
  • the actual number of transmitted bits includes not only the number of bits actually transmitted.
  • the number of information bits with actual control information also includes the number of bits padding.
  • the number of bits of the downlink control information also refers to the payload size actually transmitted by the network device when transmitting the downlink control information. I won't go into details later.
  • the first information field is greater than or equal to 1 bit, and the status value of the bit of the first information field indicates the format of the downlink control information.
  • the first information field may indicate, by one or more bits, that the downlink control information is the first format or the second format. For example, if the status value of the 1-bit in the first information field is “0”, the format of the downlink control information is the first format (or the second format), when the 1-bit status value is "1" represents that the format of the downlink control information is the second format (or the first format).
  • the first information field may indicate, by using multiple bits, a format of the downlink control information, which one of the four formats, for example, the first information domain
  • the four state values "00", "01", “10” and "11" of 2 bits correspond to the four formats, respectively.
  • the four formats include an uplink compact format, a downlink compact format, an uplink fallback format, and a downlink fallback format, where the uplink compact format (downlink control information of the uplink compact format) and the uplink fallback format (The downlink control information of the uplink fallback format is used for scheduling uplink data, the downlink compact format (downlink control information of the downlink compact format), and the downlink fallback format (downlink control information of the downlink backoff format) for scheduling downlink data.
  • the uplink compact format downlink control information of the uplink compact format
  • the downlink control information of the uplink fallback format is used for scheduling uplink data
  • the downlink compact format downlink control information of the downlink compact format
  • the downlink fallback format downlink control information of the downlink backoff format
  • the first format in the embodiment of the present application is a fallback format
  • the second format is a compact format.
  • the downlink control information of the fallback format is used for data scheduling in the RRC unestablished or RRC reconfiguration process.
  • the main feature is that the RRC configuration information cannot be included, or the number of bits is often not affected by the configuration information.
  • the impact, and its content can not be affected by the RRC signaling, mainly in the retracted state, maintaining the normal scheduling of data
  • the compact format of the downlink control information is generally used for scheduling the reliability and / or delay requirements are relatively high Scene or business.
  • serial number identifiers used in the present application are merely representations for ease of understanding, and have no practical meaning, and may also be identified by other serial numbers, such as format A, The format B, the eighth format, the tenth format, and the like, and the serial number identifier used in the embodiment of the present application does not imply the order, for example, when there is a fifth format and a seventh format in the embodiment,
  • the representative also has a sixth format, and in addition, generally, different serial number identifiers refer to different objects.
  • the various serial number identifiers in the embodiments of the present application comply with the above-mentioned conventions, and are not described again.
  • Step 202 The network device sends the downlink control information.
  • the network device may send the downlink control information in a common search space or a common control resource set, or may send the downlink control information in a specific search space or a specific control resource set. Of course, the network device may also perform each of the foregoing searches.
  • the downlink control information is sent by the space or each control resource set.
  • the at least one information field indicates the first information
  • the network device when the network device sends the downlink control information in a common search space or a common control resource set, the at least one information field indicates the first information
  • the network device when the network device is in a specific search space or specific control
  • the at least one information field indicates the second information.
  • the first information and the second information are scheduling information and/or control information.
  • the first information represents: transmitting a PUSCH with a first power, and/or performing frequency hopping of a PUSCH
  • the second information represents: transmitting a PUSCH with a second power, and/or not performing frequency hopping of the PUSCH .
  • the first information and the second information may be information indicated by any information field in the embodiment of the present application.
  • the number of bits of the downlink control information is a first payload number (payload size), when the network device is in a specific search space or a specific control
  • the number of bits of the downlink control information is a second payload number.
  • the first bit number and the second bit number may be different bits.
  • the number may also be the same number of bits.
  • the network device may send the downlink control information according to the same payload size.
  • the same number of bits can also be a preset payload size.
  • the network device sends the downlink control information according to the preset number of bits, that is, in step 202, the network device may be configured according to the preset.
  • the downlink control information is sent in a common search space or a common control resource set, and the downlink control information may also be sent in a specific search space or a specific control resource set according to the preset number of bits.
  • the at least one information field indicates the first information, when the network device uses the preset number of bits.
  • the at least one information field indicates the second information when the downlink control information is transmitted in a specific search space or a specific control resource set.
  • the format of the downlink control information is a first format when the network device sends the downlink control information in a common search space or a common control resource set, and the network device sends the downlink in a specific search space or a specific control resource set.
  • the format of the downlink control information is a second format.
  • the first format and the second format may be the same format or different formats. If the first format and the second format are the same, that is, the downlink control information of a certain format may be sent in different search spaces or control resource sets, but in different search spaces, the bit field in the downlink control information of the format may have Different interpretations or different bit numbers. If the first format and the second format are different, that is, the two control information are respectively transmitted in two search spaces, there is no necessary relationship between their bit fields, and there may be separate definitions and separate interpretations.
  • the downlink control information sent in the common search space or the common control resource set may be a fallback format or implement a rollback downlink control information function, and is sent in a specific search space or a specific control resource set.
  • the control information can be in a compact format or implement a compact downlink control information function.
  • the downlink control information that is sent in the specific search space or the specific control resource set may be a fallback format or implement a rollback downlink control information function, and is sent in a public search space or a public control resource set.
  • the control information can be in a compact format or implement a compact downlink control information function.
  • the downlink control information of the fallback format or the function of implementing the rollback downlink control information function is used for data scheduling in the RRC not established or RRC reconfiguration process, and the main feature is that the RRC configuration information cannot be included, or the bit thereof is not included.
  • the number is often not affected by the configuration information, and its content can not be affected by the RRC signaling, mainly in the retracted state, maintaining the normal scheduling of data, and the compact format or the downlink control information implementing the compact downlink control information function.
  • Step 203 The terminal device receives downlink control information from the network device, where the downlink control information includes at least one information domain.
  • the terminal device receives the downlink control information sent by the network device by means of blind detection.
  • the terminal device performs blind detection in a common search space (or a common control resource set) and/or a specific search space (or a specific control resource set). If the network device sends downlink control information in a common search space, the terminal device receives the downlink control information in a common search space. If the network device sends downlink control information in a specific search space, the terminal device receives the downlink control information in a specific search space. It can be considered that, in step 203, the terminal device successfully receives the downlink control information sent by the network device.
  • the downlink control information sent by the network device includes a first information domain, the first information domain indicates a format of the downlink control information, and the format of the downlink control information is one of multiple formats. Format, the multiple formats correspond to the same number of bits. Then, the terminal device performs blind detection based on the same number of bits, and can successfully receive the downlink control information.
  • the terminal device since the multiple formats correspond to the same number of bits, when blind detection is performed on the downlink control information of the multiple formats, the terminal device only needs to be in the common search space according to the same number of bits (or A public control resource set) and a specific search space (or a specific set of control resources) perform a blind detection process.
  • the terminal device may also only be in the common search space (or public) according to the same number of bits. Controlling the resource set) performing blind detection, and accordingly, if the downlink control information of the multiple formats is only transmitted in a specific search space (or a specific control resource set), the terminal device may also only search for a specific number of bits according to the same number of bits. Space (or a specific set of control resources) performs blind detection.
  • Step 204 The terminal device determines information indicated by the at least one information domain.
  • the first information field of the downlink control information received by the terminal device indicates the format of the downlink control information, and therefore, the terminal device may determine the format of the downlink control information based on the first information domain. For example, when the multiple formats include the first format and the second format, the terminal device may determine, according to one or more bits of the first information domain, that the format of the downlink control information is the first format or The second format is described. For example, if the status value of the 1-bit in the first information field is “0”, it is determined that the format of the downlink control information is the first format (or the second format), when the 1-bit status value is "1" determines that the format of the downlink control information is the second format (or the first format).
  • the first format in the embodiment of the present application is a fallback format
  • the second format is a compact format
  • the terminal device may determine, according to multiple bits of the first information domain, which format of the four formats, such as the first format, of the downlink control information.
  • the four state values "00", "01", “10” and "11" of 2 bits in the information field correspond to the four formats, respectively.
  • the four formats include an uplink compact format, a downlink compact format, an uplink fallback format, and a downlink fallback format.
  • the terminal device when the terminal device receives the downlink control information in a common search space or a common control resource set, the terminal device determines that the at least one information domain indicates the first information, when the terminal device is specific When the search space or the specific control resource set receives the downlink control information, the terminal device determines that the at least one information field indicates the second information.
  • the first information represents: transmitting a PUSCH with a first power, and/or performing frequency hopping of a PUSCH;
  • the second information represents: transmitting a PUSCH with a second power, and/or not performing frequency hopping of the PUSCH .
  • the downlink control information has a first payload number when the terminal device receives the downlink control information in a common search space or a common control resource set, when the terminal device is in a specific search space or a specific control resource set.
  • the downlink control information has a second payload number.
  • the first bit number and the second number of bits may be the same number of bits. Is a different number of bits. When the first bit number and the second bit number are the same number of bits, this means that the terminal device can receive the downlink control information in a common search space or a specific search space by one blind detection process.
  • the terminal device has to receive the downlink control information in the common search space or the specific search space through two blind detection processes. If the downlink control information to be detected has the same number of bits, the terminal device only needs to perform a blind detection process. If the downlink control information needs to have different number of bits, the terminal device needs to perform multiple blind detection processes and perform blindness. The greater the number of detection processes, the greater the delay and the greater the power consumption.
  • the terminal device for downlink control information having the same number of bits or a preset number of bits, the terminal device is in a common search space (or a common control resource set according to the same number of bits or a preset number of bits). Perform a blind detection process with a specific search space (or a specific set of control resources). That is, in step 203, the terminal device receives the downlink control information according to the preset number of bits: when the network device sends the downlink control information in a common search space or a common control resource set, in step 203, The terminal device receives the downlink control information from a common search space or a common control resource set according to the preset number of bits.
  • the network device sends the downlink control information in a specific search space or a specific control resource set, in step 203, And the terminal device receives the downlink control information from a specific search space or a specific control resource set according to the preset number of bits.
  • the downlink control information includes at least one information domain, and when the terminal device receives the downlink control information in a common search space or a common control resource set, the at least one information domain indicates the first information, when the terminal device When the preset number of bits receives the downlink control information in a specific search space or a specific control resource set, the at least one information field indicates the second information.
  • the terminal device determines that the format of the downlink control information is a first format, when the terminal device is in a specific search space or a specific control resource.
  • the terminal device determines that the format of the downlink control information is the second format, and the first format and the second format may be the same format, or may be Different formats.
  • the network device can flexibly determine the structure, the number of bits, and/or the indicated information of the downlink control information, and select an appropriate search space to send the downlink control information, and the terminal device receives the process through the blind detection process.
  • the downlink control information sent by the network device determines the scheduling information and/or the control information indicated by the downlink control information, and then completes the data transmission according to the content indicated by the downlink control information, thereby adapting to various communication scenarios.
  • the network device may send multiple downlink control information according to the same number of bits in each search space or control resource set. When the terminal device needs to perform blind detection on the multiple downlink control information, only one blind detection process may be performed.
  • the downlink control information sent by the network device is received, and is applicable to a scenario that has a specific requirement for delay, and can save power. Further, the network device may also send downlink control information of the same format in different search spaces, and the same information domain of the downlink control information that is sent in different search spaces has different definitions, so that the network device and the terminal device can flexibly send and receive downlink information. Control information to better meet the needs of different scenarios. By ensuring that the actual number of bits of the plurality of downlink control information formats in which the number of information bits are close is the same, and adding a header field at the start position of the downlink control information to distinguish the downlink control information formats having the same number of bits, a small number of bits can be used. The number of overheads, that is, the head overhead, is exchanged for the terminal device to reduce the number of blind detections, thereby reducing the power consumption of the terminal device and reducing the delay.
  • the second information field is used to indicate a carrier corresponding to the data transmission scheduled by the downlink control information.
  • the network device may indicate, by using the second information field included in the downlink control information, the carrier used by the data transmission scheduled by the downlink control information to the terminal device, where the terminal device determines the information indicated by the second information domain, The data is transmitted according to the carrier it indicates.
  • the second information field is used to indicate whether an unoccupied time-frequency resource in the pre-configured resource set can be occupied by data transmission scheduled by the downlink control information.
  • the pre-configured resource set may be configured by the high-level signaling or determined by the protocol, and the network device indicates, by using the second information included in the downlink control information, whether the available resources in the set can be downlinked by the terminal device.
  • the data transmission occupation of the control information schedule may be noted that the at least one information domain included in the downlink control information determined by the network device, and one or more information domains having the same reference name are not limited in this embodiment, for example, the at least one information.
  • the domain may include a second information domain, and may also include multiple second information domains. For example, when two second information domains are included, one of them is used to indicate a carrier corresponding to the data transmission scheduled for the downlink control information. The other one is used to indicate that the unoccupied time-frequency resources in the pre-configured resource set may or may not be occupied by the data transmission scheduled by the downlink control information.
  • the meaning of the information indicated by the at least one information field not being carried by the information field may be that the bit of the certain information field in the downlink control information is 0 bits, that is, the meaning is understandable.
  • the downlink control information does not include the certain information domain, or the downlink control information includes the certain information domain, but the bit is not allocated to the certain information domain; or the certain information
  • the domain is a reserved state, in which case the information field is greater than or equal to 1 bit, but since it is in the reserved state, the information indicated by it is no longer valid or does not exist, and then similar or identical concepts are not described again.
  • the network device may further send high layer signaling, where the high layer signaling indicates whether the downlink control information includes the at least one information domain, and/or the high layer signaling indicates the The number of bits in at least one information field.
  • steps 301 to 304 are similar to steps 201 to 204, and are not described again.
  • the terminal device receives the high layer signaling.
  • the terminal device may determine, according to the indication of the high layer signaling, whether the at least one information domain is included in the downlink control information. It should be noted that, in this embodiment, the order of execution of steps 305 and 306 with respect to steps 301 to 304 is not limited, and may be any logical execution order.
  • the network device sends the downlink control information in a common search space or a common control resource set, where at least one information domain of the downlink control information does not carry the indication indicated by the second information domain. And the network device sends the downlink control information, where the downlink control information has a first format, and at least one information domain of the downlink control information does not carry information indicated by the second information domain. That is, the at least one information field of the downlink control information that is sent in the common search space or the common control resource set does not carry the information indicated by the second information domain; or has the downlink control information of the first format. At least one information field does not carry information indicated by the second information field.
  • the terminal device receives the downlink control information in a common search space or a common control resource set, and/or the downlink control information received by the terminal device has a first format.
  • the network device sends the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information sent by the network device has a second format.
  • the terminal device receives the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information received by the terminal device has a second format.
  • the network device further sends high layer signaling, the high layer signaling indicating that the downlink control information includes the second information field and/or the number of bits indicating the second information field. That is, after receiving the high layer signaling, the terminal device may determine, by the high layer signaling, whether the second information domain is included in the downlink control information, and/or determine the second information domain by using the high layer signaling. The number of bits.
  • the terminal device if the terminal device receives the downlink control information in the common search space or the common control resource set, or the terminal device determines that the received downlink control information is in the first format, the downlink control information does not include The indication information of the carrier indication domain or the resource sharing domain, the terminal device works in the fallback state at this time, and only maintains normal communication, thereby making the terminal device more power-saving, and also avoiding the terminal in the process of RRC reconfiguration, the network device Inconsistent understanding with the terminal device, resulting in communication failure and waste of resources.
  • the terminal device receives the downlink control information in a specific search space or a specific control resource set, or the terminal device determines that the received downlink control information is in the second format, the downlink control information indicates the carrier of the data scheduling, and/ Or resource sharing information. Therefore, cross-carrier scheduling can be implemented, the scheduling flexibility can be improved, and the bandwidth of data transmission can be increased or decreased, and the data transmission rate can be improved. By using pre-configured unused resources for the data channel, resource utilization can be improved.
  • the at least one information field includes a third information field, and the third information field indicates a frequency domain resource location occupied by data transmission scheduled by the downlink control information.
  • the network device sends the downlink control information in a common search space or a common control resource set, or the network device sends the downlink control information, where the downlink control information has a first format.
  • the terminal device receives the downlink control information in a common search space or a common control resource set, and/or the downlink control information received by the terminal device has a first format.
  • the downlink control information is scrambled by the first wireless network temporary identifier, the frequency domain location indicated by the third information domain is in the first bandwidth portion, and the reference physical resource block of the frequency domain resource location indicated by the third information domain is 0.
  • the location is the physical resource block 0 in the first bandwidth portion; or the downlink control information is scrambled by the second wireless network temporary identifier, where the frequency domain resource location indicated by the third information domain of the downlink control information is The reference physical resource block 0 position in the second bandwidth portion and the frequency domain resource location indicated by the third information field is the physical resource block 0 in the second bandwidth portion.
  • the first radio network temporary identifier is a cell radio network temporary identifier (C-RNTI), and/or the second radio network temporary identifier is a random access radio network temporary identifier (RA-RNTI).
  • the first bandwidth part (BWP) is a default bandwidth part (default BWP), including a default uplink bandwidth part and/or a default downlink bandwidth part; and the second bandwidth part is an initial active bandwidth part (initial active BWP). And including an initial activated uplink bandwidth portion and/or an initial activated downlink bandwidth portion; the third bandwidth portion is a bandwidth portion activated by the user after establishing an RRC connection, and also includes an uplink bandwidth portion and/or a downlink bandwidth portion.
  • default BWP default bandwidth part
  • the second bandwidth part is an initial active bandwidth part (initial active BWP).
  • the third bandwidth portion is a bandwidth portion activated by the user after establishing an RRC connection, and also includes an uplink bandwidth portion and/or a downlink bandwidth portion.
  • the BWP is within the protection scope of the present invention.
  • the network device sends the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information sent by the network device has a second format.
  • the terminal device receives the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information received by the terminal device has a second format.
  • the third domain of the downlink control information corresponding to the indicated frequency domain resource location is in the third bandwidth portion, and the reference physical resource block 0 location of the frequency domain resource location indicated by the third information domain is the third bandwidth portion. Physical resource block 0 within.
  • the terminal and the device After receiving the downlink control information in different search spaces or different control resource sets, the terminal and the device receive different downlink control information patterns, and different according to the downlink control information.
  • the scrambling mode is used to understand the frequency domain resource indication information, so that in the random access or paging process or in the normal data transmission, the network device and the terminal can have a consistent understanding, avoiding the BWP blurring in the process, and the network device sends the
  • the data is originally in BWP 1, but the user receives the data on the previously configured BWP, which causes the data transmission to fail, resulting in waste of resources.
  • the at least one information field includes the fourth information domain, and the fourth information domain indicates a time domain resource location occupied by data transmission scheduled by the downlink control information.
  • the network device sends the downlink control information in a common search space or a common control resource set, or the network device sends the downlink control information, where the downlink control information has a first format.
  • the terminal device receives the downlink control information in a common search space or a common control resource set, and/or the downlink control information received by the terminal device has a first format.
  • the at least one information field does not carry information indicated by the fourth information field.
  • the downlink control information may be corresponding to the preset time domain resource information, where the preset time domain resource information indicates a time domain resource location occupied by the data transmission scheduled by the downlink control information, and/or the Four information fields include Bit, said At least one state value of the bit corresponds to a row in the first table, and at least one row in the first table indicates at least one of a start symbol, a symbol length, and a termination symbol, the N being a positive integer;
  • the network device sends the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information sent by the network device has a second format.
  • the terminal device receives the downlink control information in a specific search space or a specific control resource set, where the fourth information domain includes Bit, said At least one state value of the bit corresponds to a row in the second table, and at least one row in the second table indicates at least one of a start symbol, a symbol length, and a termination symbol, the M being a positive integer.
  • the first table and the second table may be configured by signaling.
  • the first form and the second form can be referred to Table 1.
  • Table 1 includes five rows, each of which includes an index, and includes at least one of a start symbol, a symbol length, and a stop symbol.
  • Table 1 it can be indicated by 3 bits which row in the first information field corresponds to Table 1. For example, if the status value of the three bits is "010", it corresponds to the row with Index 2 in Table 1, so that the time domain resource location configured by the data transmission scheduled by the downlink control information can be determined.
  • the start symbol in the table may be referenced to the start position of the following row control information, the start symbol is a symbol pointing to the start position of the downlink control information, and the length in the table refers to the number of symbols passing from the start symbol.
  • the termination symbol in the table may also be referenced to the start position of the downlink control information.
  • the first table is formed by N rows in the third table, wherein at least one row in the third table indicates at least one of a start symbol, a symbol length, and a termination symbol, and the third table Provided for the protocol, or the third table is configured by higher layer signaling; and/or the second table is formed by M rows in the fourth table, wherein at least one of the fourth tables At least one of a start symbol, a symbol length, and a termination symbol is indicated, the fourth table being specified by a protocol, or the fourth table being configured by higher layer signaling. See Table 2 for the third and fourth tables.
  • Table 2 includes a plurality of rows, wherein the rows of Table 2 may include an index and include at least one of a start symbol, a symbol length, and a stop symbol.
  • a complete table as shown in Table 2 can be specified by agreement, so that it is not necessary to separately design the form, and only those lines or items in the complete table are determined according to the needs of the terminal device or the network device.
  • the first table in the foregoing embodiment may be composed of rows corresponding to indexes 0 to 4 in Table 3. In this way, since the network device and the terminal device determine the content to be used based on a complete table, this can avoid an inconsistent understanding of the network device and the user device during RRC reconfiguration, and can provide flexibility to meet each The delay requirements of the business, etc.
  • the downlink control information includes the limited The time domain resource indication information of the bit, for example, 2-bit time domain resource indication information, the indication information indicates a table of a smaller time domain resource reserved by the protocol, although the terminal device works in the retracted state at this time, and only maintains the normal state.
  • Communication but mini-slot-based scheduling and slot-based scheduling can be implemented to meet the reliability requirements of different services, and the reliability of the control channel can be improved because the number of bits is relatively small.
  • the downlink control information includes the limited-bit time domain resource indication information.
  • 3-bit time domain resource indication information indicating a table of another time domain resource configured by a higher layer signaling, so that flexible scheduling can be implemented to meet different reliability requirements.
  • the network device sends the downlink control information in a common search space or a common control resource set, or the network device sends the downlink control information, where the downlink control information has The first format.
  • the terminal device receives the downlink control information in a common search space or a common control resource set, and/or the downlink control information received by the terminal device has a first format.
  • the at least one information field does not carry the information indicated by the fifth information field, and the downlink control information corresponds to a preset K value, where the preset K value indicates that the downlink control information is scheduled to be corresponding to the data.
  • the at least one information field includes the fifth information domain, and the fifth information domain includes Bit, said At least one state value of the bit corresponds to one of P K values, the P K values indicating a time interval between data of the downlink control information scheduling and HARQ feedback corresponding to the data, where P is a positive integer .
  • the P K values form a K set, which is specified by the protocol.
  • the network device sends the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information sent by the network device has a second format.
  • the terminal device receives the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information received by the terminal device has a second format.
  • the at least one information field includes the fifth information domain
  • the method further includes: transmitting configuration information, the configuration information indicating a set of K values, the combination of the K values including Q K values, the fifth Information domain includes Bit, said At least one state value of the bit corresponds to one of the Q K values, the Q K values indicating a time interval between data of the downlink control information scheduling and HARQ feedback corresponding to the data, where Q is A positive integer.
  • the Q K values form a K set, which is configured by higher layer signaling.
  • the terminal device when the terminal device receives the downlink control information in the common search space or the common control resource set by using the method described in this embodiment, or the terminal device determines the received downlink control. If the information is in the first format, the information indicating the time interval between the data of the downlink control information scheduling and the HARQ feedback corresponding to the data does not exist in the downlink control information, and avoids the network device during the ambiguity period such as reconfiguration. The user device understands inconsistency and causes the transmission to fail.
  • the fifth information field indicates a value in a configured K set, which may be a network Side scheduling provides flexibility to avoid upstream collisions to ensure reliability.
  • the at least one information field includes a sixth information field, where the sixth information field indicates that the terminal device indicates whether the terminal device needs to report aperiodic channel quality information (CQI), and And/or the sixth information field indicates whether the terminal device performs channel sounding reference signal (SRS) measurement.
  • the network device sends the downlink control information in a common search space or a common control resource set, or the network device sends the downlink control information, where the downlink control information has a first format.
  • the terminal device receives the downlink control information in a common search space or a common control resource set, and/or the downlink control information received by the terminal device has a first format.
  • the at least one information field does not carry information indicated by the sixth information field.
  • the network device sends the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information sent by the network device has a second format.
  • the terminal device receives the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information received by the terminal device has a second format.
  • the at least one information field includes the sixth information field, and the sixth information field is greater than or equal to 1 bit.
  • the sixth information field is 1 bit, and the terminal device indicates that the terminal device needs to report the aperiodic channel quality information, and/or indicates the terminal device by the 1-bit status “1”. It is not necessary to report aperiodic channel quality information.
  • the sixth information field is equal to 4 bits.
  • the Uplink Channel Sounding Reference Signal (SRS) measurement is triggered, for example, by the 4-bit state.
  • SRS Uplink Channel Sounding Reference Signal
  • the at least one information domain included in the downlink control information determined by the network device and one or more information domains having the same reference name are not limited in this embodiment, for example, the at least one information.
  • the domain may include a sixth information field, and may also include multiple sixth information fields. For example, when two sixth information fields are included, one of them is used to indicate whether the terminal device needs to report aperiodic channel quality information (CQI). And another one of them is used to indicate whether the terminal device performs channel sounding reference signal (SRS) measurement.
  • CQI channel quality information
  • SRS channel sounding reference signal
  • the at least one information field is used to indicate a redundancy version adopted by the data transmission of the downlink control information scheduling.
  • the network device sends the downlink control information in a common search space or a common control resource set, or the network device sends the downlink control information, where the downlink control information has a first format.
  • the terminal device receives the downlink control information in a common search space or a common control resource set, and/or the downlink control information received by the terminal device has a first format.
  • the seventh information field is greater than or equal to 1 bit, and the state value of the seventh information field corresponds to one of X redundancy versions, and the X is a positive integer.
  • the network device sends the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information sent by the network device has a second format.
  • the terminal device receives the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information received by the terminal device has a second format.
  • the at least one information domain does not carry the information indicated by the seventh information domain, and the data transmission scheduled by the downlink control information uses a preset redundancy version, where the preset redundancy version is configured, for example, by signaling, or The protocol is specified by the protocol; or the seventh information field is greater than or equal to 1 bit, and the state value of the seventh information field corresponds to one of the L redundancy versions, and the L is a positive integer.
  • the at least one information field includes the eighth information field, and the eighth information field is used to indicate whether the terminal device performs reporting of channel state measurement.
  • the network device sends the downlink control information in a common search space or a common control resource set, or the network device sends the downlink control information, where the downlink control information has a first format.
  • the terminal device receives the downlink control information in a common search space or a common control resource set, and/or the downlink control information received by the terminal device has a first format.
  • the at least one information field does not carry information indicated by the eighth information field; or the eighth information field includes 1 bit, where the 1 bit is used to indicate whether the terminal device performs reporting of channel state measurement, and the channel state measurement
  • the method includes performing measurement based on a reference signal of a nearest synchronization block, performing measurement based on a control resource set and a reference signal in which the system information is located, and performing measurement based on a reference signal of the broadcast channel.
  • the network device sends the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information sent by the network device has a second format.
  • the terminal device receives the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information received by the terminal device has a second format.
  • the at least one information field further includes a ninth information field, where the eighth information field is greater than or equal to 1 bit, and the greater than or equal to 1 bit is used to indicate whether the terminal device performs reporting of channel state measurement, and the ninth information
  • the domain is greater than or equal to 1 bit, and the ninth information field indicates one of V reference signals used for channel state measurement, wherein the V reference signals used for channel state measurement may be high layer signaling configuration of.
  • the at least one information field includes a tenth information field, and the tenth information field is used to indicate an uplink control channel resource configured for data transmission scheduled by the downlink control information.
  • the network device sends the downlink control information in a common search space or a common control resource set, or the network device sends the downlink control information, where the downlink control information has a first format.
  • the terminal device receives the downlink control information in a common search space or a common control resource set, and/or the downlink control information received by the terminal device has a first format.
  • the tenth information field includes Bit, said At least one state value of the bit corresponds to at least one of the B uplink control channel resources, and at least one of the B uplink control channel resources corresponds to an index of at least one row in the fifth table, where the fifth table is at least One row corresponds to at least one uplink control channel resource, and B is a positive integer.
  • the fifth table may be configured by system information, and in an implementation manner, a plurality of fifth tables may be configured by using system information, and the terminal device determines the actual use fifth by the number of bits of the uplink control information that needs to be sent.
  • the tenth information field in the downlink control information is used to indicate an index in the fifth table; in another possible implementation manner, part of the components in the table are configured by system information, such as an uplink in the table.
  • the appetite length of the control channel resource can be configured, and the remaining partial components can be protocol pre-defined.
  • the network device sends the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information sent by the network device has a second format.
  • the terminal device receives the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information received by the terminal device has a second format.
  • the tenth information field includes Bit, said At least one state value of the bit corresponds to at least one of the A uplink control channel resources, and at least one of the A uplink control channel resources corresponds to an index of at least one row in the sixth table, the at least one row corresponding to at least one An uplink control channel resource.
  • the sixth table may be configured by user-specific high layer signaling.
  • the at least one information field includes an eleventh information field, and the eleventh information field indicates a demodulation reference signal port and a downlink reference used for data transmission scheduled by the downlink control information.
  • the quasi-co-located relationship between signal ports is assumed.
  • the network device sends the downlink control information in a common search space or a common control resource set, or the network device sends the downlink control information, where the downlink control information has a first format.
  • the terminal device receives the downlink control information in a common search space or a common control resource set, and/or the downlink control information received by the terminal device has a first format.
  • the at least one information field does not carry information indicated by the eleventh information field.
  • the terminal device determines, according to the search space where the downlink control information is located, or the same positioning relationship of the control resource set in which the downlink control information is located, a hypothesis of a similarity of the data transmission scheduled by the downlink control information.
  • the network device sends the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information sent by the network device has a second format.
  • the terminal device receives the downlink control information in a specific search space or a specific control resource set, and/or the downlink control information received by the terminal device has a second format.
  • the at least one information field does not carry the information indicated by the eleventh information field.
  • the terminal device determines, according to the pre-defined quasi-location relationship hypothesis, the quasi-identical positioning relationship of the data transmission scheduled by the downlink control information; Or the terminal device determines, according to the search space where the downlink control information is located, or the same positioning relationship of the control resource set in which the downlink control information is located, the hypothesis of the similarity of the data transmission of the downlink control information scheduling.
  • the terminal device and the network device include corresponding hardware structures and/or software modules for performing the respective functions in order to implement the above functions.
  • the present application can be implemented in a combination of hardware or hardware and computer software in combination with the elements and algorithm steps of the various examples described in the embodiments disclosed herein. Whether a function is implemented in hardware or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present application.
  • FIG. 4 is a schematic diagram showing a possible structure of a terminal device involved in the above embodiment.
  • the structure of the terminal device includes a processor 401 and a transceiver 402.
  • the structure of the device may further include a memory 403, where the memory is used to couple with the processor, and save necessary program instructions and data of the terminal device. .
  • the terminal device shown in FIG. 4 can perform the above-described method of transmitting information. Here, in order to avoid redundancy, detailed description thereof will be omitted.
  • FIG. 5 is a schematic diagram showing a possible structure of a network device involved in the foregoing embodiment.
  • a processor 501 is included in the structure of the terminal device.
  • the transceiver 502 can also be included in the structure of the device.
  • the structure of the device may further include a memory 503 for coupling with the processor to save necessary program instructions and data of the network device.
  • the network device shown in FIG. 5 can perform the above-described method of determining information. Here, in order to avoid redundancy, detailed description thereof will be omitted.
  • the embodiment of the present application further provides a transmission method of a modulation and coding method, including:
  • Step S601 The terminal device receives the downlink control information, where the downlink control information includes an index value of a modulation coding scheme (MCS), and the index value of the MCS is at least one of N index values in the MCS table.
  • MCS modulation coding scheme
  • the modulation method corresponding to the index value X of the N index values is QPSK, and the corresponding code rate is multiplied by 1024 to be less than or equal to 82.
  • Step S602 The terminal device determines a modulation mode and an encoding code rate for data transmission according to the index value of the MCS.
  • the method further includes: the index value X is an index value of 1.
  • the method further includes: multiplying the code rate corresponding to the index value X by 1024 is greater than or equal to 43; and/or, the efficiency value is greater than or equal to 0.083579; and/or the efficiency value is less than or equal to 0.1592.
  • the modulation rate in the MCS table is that the code rate of the index value X is multiplied by 1024 to include at least one of the following values:
  • the code rate in the MCS table whose modulation mode is the index value X multiplied by 1024 includes at least one of the following values:
  • the index value 12 to the index value 15 in the MCS table corresponds to a modulation mode of 16QAM.
  • the N index values in the MCS table correspond to at least two coding modes and one non-coding mode, and specifically include:
  • the index value 0 does not correspond to the data and the encoding mode.
  • the encoding method corresponding to the index value X is Polar, and the encoding method corresponding to the index value Y is LDPC, wherein the index value Y is greater than the index value X.
  • the MCS table corresponds to at least two BLERs, and specifically includes: a first BLER corresponding to the index value X, and a second BLER corresponding to the index value Y, wherein the index value Y is greater than the index value X.
  • the second BLER is smaller than the first BLER.
  • the second BLER is 10e-5
  • the first BLER is 10e-2.
  • the N index values in the MCS table include the number of index values corresponding to the LDPC in the encoding mode being greater than or equal to the number of index values corresponding to the encoding mode.
  • the MCS table corresponds to at least one BLER, and the BLER is at least one of the following: 10e-1, 10e-2, 10e-3, 10e-4, 10e-5, 10e-6.
  • the MCS table may include only an index, a modulation mode, and a code rate. Does not include a coding scheme.
  • Advantageous effects of the present application include that since the existing LTE system supports only the MCS table of 10e-1, but multiple BLERs have been introduced in the 5G NR, the prior art table does not adapt to the 5G system. Further, in consideration of the service characteristics of the URLLC, an indication of an MCS with a lower code rate needs to be introduced. Therefore, the present application provides MCS indication information that can be implemented under different BLERs, so that the 5G NR system supports MCS indications of multiple BLERs, thereby Implement the need to support URLLC services.
  • the items in any of the tables can be freely combined. That is, the CQI table may only include partial items or partial index values in the tables of Tables 3 to 12. For example, the CQI table only has a value of 1 and an index value of 1 in Tables 3 to 12 corresponds to 1.
  • one of the MCS tables can be composed of some of the elements in any two of the tables in Tables 3 to 12.
  • the value of 10e-1 and the value of 10e-5 in the first group constitute one CQI table
  • the new table has a column indication indicating that the MCS is the corresponding block error rate BLER
  • the table 13 can be composed in the above manner. / or Table 14.
  • the elements in the tables of the present invention are exemplary and need not all exist. For example, only one or part of the rows are included.
  • the terminal device and the network device shown in FIG. 4 and FIG. 5 are used to perform the foregoing method. Therefore, the beneficial effects of the network device and the terminal device can be seen in the beneficial effects of the foregoing method, and details are not described herein again.
  • the embodiment of the present application further provides a computer readable storage medium, comprising instructions, when executed on a computer, causing a computer to execute a method for determining downlink control information performed by the network device or the terminal device.
  • the embodiment of the present application further provides a communication system, where the communication system includes the terminal device shown in FIG. 4 and the network device shown in FIG. 5, and the terminal device communicates with the network device to perform the foregoing sending information and determining.
  • the method of information includes the terminal device shown in FIG. 4 and the network device shown in FIG. 5, and the terminal device communicates with the network device to perform the foregoing sending information and determining. The method of information.
  • the processor may be an integrated circuit chip with signal processing capabilities.
  • each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA), or the like. Programming one or more of logic devices, discrete gates or transistor logic devices, and discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • SDRAM Double Data Rate SDRAM
  • DDR SDRAM Double Data Rate SDRAM
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SLDRAM Synchronous Connection Dynamic Random Access Memory
  • DR RAM direct memory bus random access memory
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the execution order of each process should be determined by its function and internal logic, and should not be applied to this application.
  • the implementation of the embodiments constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the embodiments of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the technical solution of the embodiments of the present application, or the part contributing to the prior art or the part of the technical solution, may be embodied in the form of a software product stored in a storage medium.
  • the instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the various embodiments of the embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本申请实施例公开了下行控制信息确定方法和装置,其中网络设备确定下行控制信息,所述下行控制信息包括至少一个信息域,网络设备在公共搜索空间或者公共控制资源集发送所述下行控制信息,或者在终端设备的特定搜索空间或者特定控制资源集发送所述下行控制信息,终端设备接收所述下行控制信息,并确定所述至少一个信息域所指示的信息。通过本申请实施例提供的方案,能够更好地满足各种通信场景的需求。

Description

下行控制信息确定方法和通信装置
本申请要求于2017年11月17日提交中国专利局、申请号为201711149124.6、申请名称为“下行控制信息确定方法和通信装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域,特别涉及一种下行控制信息的确定方法和通信装置。
背景技术
通信***中,终端设备在接收下行数据或者发送上行数据前,需要得到网络设备配置给终端设备的调度信息,例如时频资源分配、调制编码方式等,另外,网络设备也需要通知终端设备与上行传输相关的功控命令等信息。因此,网络设备向终端设备发送下行控制信息(downlink control information,DCI),下行控制信息携带一个或多个信息域,各个信息域为终端设备指示这些调度信息和功控命令等信息。可以认为,下行控制控制信息用于调度数据传输。
通信***中主要通过下行控制信道(例如物理下行控制信道physical downlink control channel,PDCCH。当然也可以通过其他信道承载下行控制信息)承载下行控制信息。用户设备首先要在控制资源集合或者控制区域内的搜索空间内进行盲检测,可以认为搜索空间是终端设备监听下行控制信道的集合。搜索空间包括公共搜索空间和用户设备特定搜索空间(或者称为终端设备特定搜索空间,简称特定搜索空间),其中公共搜索空间是多个终端设备都要监听的搜索空间,特定搜索空间是小区内特定终端设备需要监听的搜索空间。对于具有相同比特数(payload size)的下行控制信息,即使他们的格式不同,终端设备也只需要在搜索空间中执行一次盲检测,进而在接收到下行控制信息后再确定具体是哪种格式;但是对于具有不同比特数的下行控制信息,终端设备需要针对每个比特数都执行一次盲检测。盲检测的次数越多,则终端设备执行盲检测的时间越长,从而数据传输的时延也越长,终端设备的耗电量也越大。另外,下行控制信息的比特数越长,其占用***资源的开销也越大,从而数据传输的效率也越低。
为了应对未来***性的移动数据流量增长、海量移动通信的设备连接、以及不断涌现的各类业务和场景,第五代(5th Generation,5G)移动通信***应运而生。而不同业务和场景对移动通信***的需求也不同,例如极高可靠极低时延场景(Ultra-Reliable and Low Latency Communication,URLLC)对数据传输的可靠性和时延提出了非常苛刻的要求,例如:上下行用户面时延不能超过0.5毫秒,1毫秒内的误码率不能超过0.0001%。因此,设计能够更好地满足业务需求和场景需求的下行控制信息是一个亟待解决的问题。
发明内容
本申请实施例提供了多种下行控制信息的确定方法和装置,以期更好地满足业务需求和场景需求。
第一方面,本申请实施例提出一种终端设备执行的下行控制信息确定方法,包括:
在公共搜索空间或者公共控制资源集接收下行控制信息;或者
在终端设备的特定搜索空间或者特定控制资源集接收所述下行控制信息;
其中,所述下行控制信息包括至少一个信息域。
确定所述至少一个信息域指示的信息。
在一种可能的设计中,所述至少一个信息域包括第一信息域,所述第一信息域指示所述下行控制信息的格式,所述下行控制信息的格式为多种格式中的一种格式,所述多种格式对应同一个比特数。
通过上述方式,多种格式的下行控制信息对应相同的比特数,也就是说多种格式的下行控制信息的比特数相同,终端设备可以仅仅执行一次盲检测过程就可以接收到具有其中一种格式的下行控制信息,减小了终端设备接收下行控制信息的时延,节省了电能,能够更好地满足场景或业务需求。
在一种可能的设计中,所述第一信息域还指示所述下行控制信息调度的数据传输的传输方向。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第一格式的情况:所述至少一个信息域不承载第二信息域指示的信息;
和/或,
对于在所述终端设备的特定搜索空间或者特定控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第二格式的情况:所述至少一个信息域包括所述第二信息域,所述方法还包括:接收高层信令;所述高层信令指示所述下行控制信息包括所述第二信息域,和/或,所述高层信令指示所述第二信息域的比特数;
其中,所述第二信息域指示所述下行控制信息调度的数据传输所对应的载波,或者,所述第二信息域指示预配置的资源集合内未占用的时频资源是否可以被所述下行控制信息调度的数据传输占用。
在一种可能的设计中,所述至少一个信息域包括第三信息域,所述第三信息域指示所述下行控制信息调度的数据传输所占用的频域资源位置;
对于在公共搜索空间或者公共控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第一格式的情况:
所述下行控制信息通过第一无线网络临时标识加扰,所述第三信息域指示的频域位置在第一带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第 一带宽部分内的物理资源块0;或者,所述下行控制信息通过第二无线网络临时标识加扰,所述下行控制信息的所述第三信息域指示的频域资源位置在为第二带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第二带宽部分内的物理资源块0;
和/或,
对于在所述终端设备的特定搜索空间或者特定控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第二格式的情况:
所述下行控制信息的所述第三信息域对应指示的频域资源位置在为第三带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第三带宽部分内的物理资源块0。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第一格式的情况:
所述至少一个信息域不承载第四信息域指示的信息,所述下行控制信息对应预设的时域资源信息,所述预设的时域资源信息指示为所述下行控制信息调度的数据传输所占用的时域资源位置;或者,所述至少一个信息域包括所述第四信息域,所述第四信息域包括
Figure PCTCN2018114995-appb-000001
比特,所述
Figure PCTCN2018114995-appb-000002
比特的至少一个状态值对应于第一表格中的行,所述第一表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述N为正整数;
和/或,
对于在所述终端设备的特定搜索空间或者特定控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第二格式的情况:
所述至少一个信息域包括所述第四信息域;所述第四信息域包括
Figure PCTCN2018114995-appb-000003
比特,所述
Figure PCTCN2018114995-appb-000004
比特的至少一个状态值对应于第二表格中的行,所述第二表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述M为正整数;
其中,所述第四信息域指示为所述下行控制信息调度的数据传输所占用的时域资源位置。
在一种可能的设计中,所述第一表格由第三表格中的N行构成,其中,所述第三表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第三表格为协议规定的,或者,所述第三表格是通过高层信令配置的;和/或
所述第二表格由第四表格中的M行构成,其中,所述第四表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第四表格为协议规定的,或者,所述第四表格是通过高层信令配置的。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第一格式的情况:
所述至少一个信息域不承载第五信息域指示的信息,所述下行控制信息对应预设的K值,所述预设的K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔;或者,所述至少一个信息域包括所述第五信息域,所述第五信息域包 括
Figure PCTCN2018114995-appb-000005
比特,所述
Figure PCTCN2018114995-appb-000006
比特的至少一个状态值对应P个K值中的一个,所述P个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述P为正整数;
和/或,
对于在所述终端设备的特定搜索空间或者特定控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第二格式的情况:
所述至少一个信息域包括所述第五信息域,所述方法还包括:接收配置信息,所述配置信息指示K值的集合,所述K值的结合包括Q个K值,所述第五信息域包括
Figure PCTCN2018114995-appb-000007
比特,所述
Figure PCTCN2018114995-appb-000008
比特的至少一个状态值对应所述Q个K值中的一个,所述Q个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述Q为正整数。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第一格式的情况:所述至少一个信息域不承载第六信息域指示的信息;
和/或,
对于在所述终端设备的特定搜索空间或者特定控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第二格式的情况:所述至少一个信息域包括所述第六信息域,所述第六信息域大于或等于1比特;
其中,所述第六信息域指示所述终端设备指示所述终端设备是否需要上报非周期信道质量信息(CQI),和/或,所述第六信息域指示所述终端设备是否进行信道探测参考信号(SRS)测量。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第一格式的情况:
所述至少一个信息域包括第七信息域,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应X个冗余版本中的一个,所述X为正整数;
和/或,
对于在所述终端设备的特定搜索空间或者特定控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第二格式的情况:
所述至少一个信息域不承载第所述第七信息域指示的信息,所述下行控制信息调度的数据传输采用预设的冗余版本;或者,所述至少一个信息域包括所述第七信息域,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应L个冗余版本中的一个,所述L为正整数;
其中,所述第七信息域用于指示所述下行控制信息调度的数据传输所采用的冗余版本。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集接收所述下行控制 信息的情况,或者对于所述接收的下行控制信息的格式是第一格式的情况:
所述至少一个信息域不承载第八信息域指示的信息;或者,所述至少一个信息域包括所述第八信息域,所述第八信息域大于或等于1比特,所述大于或等于1比特用于指示终端设备是否进行信道状态测量的上报,所述信道状态测量的方式包括基于距离最近的同步数据块的参考信号进行测量,基于***信息所在的控制资源集的及参考信号进行测量,以及基于广播信道的参考信号进行测量中的一种;
和/或
对于在所述终端设备的特定搜索空间或者特定控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第二格式的情况:
所述至少一个信息域包括所述第八信息域和第九信息域,所述第八信息域大于或等于1比特,所述大于或等于1比特用于指示终端设备是否进行信道状态测量的上报,所述第九信息域大于或等于1比特,所述第九信息域指示V个用于进行信道状态测量的参考信号中的一个,所述V个用于进行信道状态测量的参考信号是高层信令配置的,所述V为正整数。
在一种可能的设计中,所述至少一个信息域包括第十信息域,所述第十信息域指示为所述下行控制信息调度的数据传输所配置的上行控制信道资源;
对于在公共搜索空间或者公共控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第一格式的情况:
所述第十信息域包括
Figure PCTCN2018114995-appb-000009
比特,所述
Figure PCTCN2018114995-appb-000010
比特的至少一个状态值对应所述B个上行控制信道资源中的一个,所述B个上行控制信道资源对应于第五表格中的一个项目的索引,所述一个项目对应一个上行控制信道资源,所述第五表格是***信息配置的,所述B为正整数;
和/或
对于在所述终端设备的特定搜索空间或者特定控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第二格式的情况:
所述第十信息域包括
Figure PCTCN2018114995-appb-000011
比特,所述
Figure PCTCN2018114995-appb-000012
比特的至少一个状态值对应所述A个上行控制信道资源中的一个,所述A个上行控制信道资源对应于第六表格中的一个项目的索引,所述一个项目对应一个上行控制信道资源,所述第六表格是用户特定的高层信令配置的。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第一格式的情况:
所述至少一个信息域不承载第十一信息域指示的信息,所述第十一信息域指示为所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准同定位(quasi-co-located)关系假设;所述下行控制信息指示所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集的准同定位关系确 定下行控制信息调度的数据传输的准同定位关系假设;
和/或,
对于在所述终端设备的特定搜索空间或者特定控制资源集接收所述下行控制信息的情况,或者对于所述接收的下行控制信息的格式是第二格式的情况:
所述至少一个信息域不承载第十一信息域指示的信息;所述第十一信息域指示为所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准同定位(quasi-co-located)关系假设;
所述下行控制信息指示所述终端设备根据预定义准同定位关系假设,确定所述下行控制信息调度的数据传输的准同定位关系;或者,所述下行控制信息指示所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集的准同定位关系确定下行控制信息调度的数据传输的准同定位关系假设。
第二方面,提供了一种网络设备执行的下行控制信息确定方法,包括:
确定下行控制信息,所述下行控制信息包括至少一个信息域;
在公共搜索空间或者公共控制资源集发送所述下行控制信息;或者
在终端设备的特定搜索空间或者特定控制资源集发送所述下行控制信息。
在一种可能的设计中,所述至少一个信息域包括第一信息域,所述第一信息域指示所述下行控制信息的格式,所述下行控制信息的格式为多种格式中的一种格式,所述多种格式对应同一个比特数。
在一种可能的设计中,所述第一信息域还指示所述下行控制信息调度的数据传输的传输方向。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第一格式的情况:所述至少一个信息域不承载第二信息域指示的信息;
和/或,
对于在所述终端设备的特定搜索空间或者特定控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第二格式的情况:所述至少一个信息域包括所述第二信息域,所述方法还包括:发送高层信令;所述高层信令指示所述下行控制信息包括所述第二信息域,和/或,所述高层信令指示所述第二信息域的比特数;
其中,所述第二信息域指示为所述下行控制信息调度的数据传输所对应的载波,或者,所述第二信息域指示预配置的资源集合内未占用的时频资源是否可以被所述下行控制信息调度的数据传输占用。
在一种可能的设计中,所述至少一个信息域包括第三信息域,所述第三信息域指示为所述下行控制信息调度的数据传输所占用的频域资源位置;
对于在公共搜索空间或者公共控制资源集发送所述下行控制信息的情况,或者对于 所述发送的下行控制信息的格式是第一格式的情况:
所述下行控制信息通过第一无线网络临时标识加扰,所述第三信息域指示的频域位置在第一带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第一带宽部分内的物理资源块0;或者,所述下行控制信息通过第二无线网络临时标识加扰,所述下行控制信息的所述第三信息域指示的频域资源位置在为第二带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第二带宽部分内的物理资源块0;
和/或,
对于在所述终端设备的特定搜索空间或者特定控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第二格式的情况:
所述下行控制信息的所述第三信息域对应指示的频域资源位置在为第三带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第三带宽部分内的物理资源块0。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第一格式的情况:
所述至少一个信息域不承载第四信息域指示的信息,所述下行控制信息对应预设的时域资源信息,所述预设的时域资源信息指示为所述下行控制信息调度的数据传输所占用的时域资源位置;或者,所述至少一个信息域包括所述第四信息域,所述第四信息域包括
Figure PCTCN2018114995-appb-000013
比特,所述
Figure PCTCN2018114995-appb-000014
比特的至少一个状态值对应于第一表格中的行,所述第一表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述N为正整数;
和/或,
对于在所述终端设备的特定搜索空间或者特定控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第二格式的情况:
所述至少一个信息域包括所述第四信息域;所述第四信息域包括
Figure PCTCN2018114995-appb-000015
比特,所述
Figure PCTCN2018114995-appb-000016
比特的至少一个状态值对应于第二表格中的行,所述第二表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述M为正整数;
其中,所述第四信息域指示为所述下行控制信息调度的数据传输所占用的时域资源位置。
在一种可能的设计中,所述第一表格由第三表格中的N行构成,其中,所述第三表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第三表格为协议规定的,或者,所述第三表格是通过高层信令配置的;和/或
所述第二表格由第四表格中的M行构成,其中,所述第四表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第四表格为协议规定的,或者,所述第四表格是通过高层信令配置的。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第一格式的情况:
所述至少一个信息域不承载第五信息域指示的信息,所述下行控制信息对应预设的K值,所述预设的K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔;或者,所述至少一个信息域包括所述第五信息域,所述第五信息域包括
Figure PCTCN2018114995-appb-000017
比特,所述
Figure PCTCN2018114995-appb-000018
比特的至少一个状态值对应P个K值中的一个,所述P个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述P为正整数;
和/或,
对于在所述终端设备的特定搜索空间或者特定控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第二格式的情况:
所述至少一个信息域包括所述第五信息域,所述方法还包括:发送配置信息,所述配置信息指示K值的集合,所述K值的结合包括Q个K值,所述第五信息域包括
Figure PCTCN2018114995-appb-000019
比特,所述
Figure PCTCN2018114995-appb-000020
比特的至少一个状态值对应所述Q个K值中的一个,所述Q个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述Q为正整数。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第一格式的情况:所述至少一个信息域不承载第六信息域指示的信息;和/或
对于在所述终端设备的特定搜索空间或者特定控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第二格式的情况:所述至少一个信息域包括所述第六信息域,所述第六信息域大于或等于1比特;
其中,所述第六信息域指示所述终端设备指示所述终端设备是否需要上报非周期信道质量信息(CQI),和/或,所述第六信息域指示所述终端设备是否进行信道探测参考信号(SRS)测量。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第一格式的情况:
所述至少一个信息域包括第七信息域,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应X个冗余版本中的一个,所述X为正整数;
和/或
对于在所述终端设备的特定搜索空间或者特定控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第二格式的情况:
所述至少一个信息域不承载第所述第七信息域指示的信息,所述下行控制信息调度的数据传输采用预设的冗余版本;或者,所述至少一个信息域包括所述第七信息域,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应L个冗余版本中的一个,所述L为正整数;
其中,所述第七信息域用于指示所述下行控制信息调度的数据传输所采用的冗余版 本。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第一格式的情况:
所述至少一个信息域不承载第八信息域指示的信息;或者,所述至少一个信息域包括所述第八信息域,所述第八信息域大于或等于1比特,所述大于或等于1比特用于指示终端设备是否进行信道状态测量的上报,所述信道状态测量的方式包括基于距离最近的同步数据块的参考信号进行测量,基于***信息所在的控制资源集的及参考信号进行测量,以及基于广播信道的参考信号进行测量中的一种;
和/或
对于在所述终端设备的特定搜索空间或者特定控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第二格式的情况:
所述至少一个信息域包括所述第八信息域和第九信息域,所述第八信息域大于或等于1比特,所述大于或等于1比特用于指示终端设备是否进行信道状态测量的上报,所述第九信息域大于或等于1比特,所述第九信息域指示V个用于进行信道状态测量的参考信号中的一个,所述V个用于进行信道状态测量的参考信号是高层信令配置的,所述V为正整数。
在一种可能的设计中,所述至少一个信息域包括第十信息域,所述第十信息域指示为所述下行控制信息调度的数据传输所配置的上行控制信道资源;
对于在公共搜索空间或者公共控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第一格式的情况:
所述第十信息域包括
Figure PCTCN2018114995-appb-000021
比特,所述
Figure PCTCN2018114995-appb-000022
比特的至少一个状态值对应所述B个上行控制信道资源中的一个,所述B个上行控制信道资源对应于第五表格中的一个项目的索引,所述一个项目对应一个上行控制信道资源,所述第五表格是***信息配置的,所述B为正整数;
和/或
对于在所述终端设备的特定搜索空间或者特定控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第二格式的情况:
所述第十信息域包括
Figure PCTCN2018114995-appb-000023
比特,所述
Figure PCTCN2018114995-appb-000024
比特的至少一个状态值对应所述A个上行控制信道资源中的一个,所述A个上行控制信道资源对应于第六表格中的一个项目的索引,所述一个项目对应一个上行控制信道资源,所述第六表格是用户特定的高层信令配置的。
在一种可能的设计中,对于在公共搜索空间或者公共控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第一格式的情况:
所述至少一个信息域不承载第十一信息域指示的信息;所述第十一信息域指示为所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准 同定位(quasi-co-located)关系假设;所述下行控制信息指示所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集的准同定位关系确定下行控制信息调度的数据传输的准同定位关系假设;
和/或
对于在所述终端设备的特定搜索空间或者特定控制资源集发送所述下行控制信息的情况,或者对于所述发送的下行控制信息的格式是第二格式的情况:所述至少一个信息域不承载第十一信息域指示的信息;所述第十一信息域指示为所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准同定位(quasi-co-located)关系假设;
所述下行控制信息指示所述终端设备根据预定义准同定位关系假设,确定所述下行控制信息调度的数据传输的准同定位关系;或者,所述下行控制信息指示所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集,的准同定位关系确定下行控制信息调度的数据传输的准同定位关系假设。
第三方面,本申请提供了一种终端设备,该终端设备具有上述第一方面的方法中终端设备行为的功能。所述功能可以通过硬件实现,也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多于一个与上述功能相对应的模块。
第四方面,本申请提供了一种网络设备,该网络设备具有上述第二方面的方法中网络设备行为的功能。所述功能可以通过硬件实现,也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多于一个与上述功能相对应的模块。
第五方面,本申请提供了一种终端设备,该终端设备包括处理器和收发器,所述处理器被配置为支持终端设备执行上述方法中相应的功能,例如确定上述方法中所涉及的下行控制信息。所述收发器用于支持终端设备发送上述方法中所涉及的信息,例如接收所述下行控制信息。在一个可能的设计中,所述终端设备的结构中还可以包括存储器,所述存储器用于与处理器耦合,保存终端设备必要的程序指令和数据。
第六方面,本申请提供了一种网络设备,该网络设备包括处理器,所述处理器被配置为支持网络设备执行上述方法中相应的功能,例如确定上述方法中所涉及的下行控制信息。在一个可能的设计中,所述网络设备还可以包括收发器,所述收发器用于支持网络设备接收上述方法中所涉及的信息,例如发送所述下行控制信息。在一个可能的设计中,所述网络设备的结构中还可以包括存储器,所述存储器用于与处理器耦合,保存终端设备必要的程序指令和数据。
第七方面,本申请提供了一种通信***,该***包括上述方面所述的终端设备和网络设备,该终端设备和网络设备互相通信以执行上述方面所述的确定下行控制信息的方法。
第八方面,本申请提供了一种计算机存储介质,用于储存为上述终端设备所用的计算机软件指令,其包含用于执行上述方面所设计的程序。
第九方面,本申请提供了一种计算机存储介质,用于储存为上述网络设备所用的计 算机软件指令,其包含用于执行上述方面所设计的程序。
第十方面,本申请提供了一种芯片***,该芯片***包括处理器,用于支持终端设备实现上述方面中所涉及的功能,例如,确定上述方法中所涉及的下行控制信息。在一种可能的设计中,所述芯片***还包括存储器,所述存储器,用于保存数据发送设备必要的程序指令和数据。该芯片***,可以由芯片构成,也可以包含芯片和其他分立器件。
第十一方面,本申请提供了一种芯片***,该芯片***包括处理器,用于支持网络设备实现上述方面中所涉及的功能,例如,确定上述方法中所涉及的下行控制信息。在一种可能的设计中,所述芯片***还包括存储器,所述存储器,用于保存数据接收设备必要的程序指令和数据。该芯片***,可以由芯片构成,也可以包含芯片和其他分立器件。
第十二方面,本申请实施例提出一种终端设备执行的下行控制信息确定方法,包括:
终端设备接收下行控制信息,所述下行控制信息包含调制编码方式(Modulation coding scheme,MCS)的索引值,所述MCS的索引值为MCS表格中N个索引值中的至少一个,所述N个索引值中索引值X对应的调制方式为QPSK,对应的码率乘以1024小于或等于82;
终端设备根据所述MCS的索引值,确定用于数据传输的调制方式和编码码率。
可选地,所述方法还包括:索引值X为索引值1。
可选地,所述方法还包括:索引值X对应的码率乘以1024大于或等于43;和/或,效率值大于等于0.083579;和/或效率值小于或等于0.1592。
可选地,MCS表格中调制方式为索引值X的码率乘以1024包含以下数值中的至少一个:
82,65,54,46,43。
可选地,MCS表格中调制方式为索引值X的码率乘以1024包含以下数值中的至少一个:
81,64,59,46,43。
可选地,MCS表格中索引值12到索引值15对应调制方式为16QAM。
可选地,MCS表格中N个索引值对应至少两种编码方式和一种无编码方式,具体包括:
索引值0不对应数据和编码方式,索引值X对应的编码方式为Polar,索引值Y对应的编码方式为LDPC,其中,索引值Y大于索引值X。
可选地,MCS表格对应至少两个BLER,具体包括:索引值X对应的第一BLER,索引值Y对应的第二BLER,其中,索引值Y大于索引值X。进一步地可选的,第二BLER小于第一BLER。
可选地,MCS表格中N个索引值包括编码方式为LDPC对应的索引值数量大于或等 于编码方式为Polar对应的索引值数量。
可选地,MCS表格对应至少一个BLER,BLER为以下至少一个:10e-1,10e-2,10e-3,10e-4,10e-5。
本申请实施例的有益效果包括:由于现有LTE***仅支持10e-1的MCS表格,但5G NR中已经引入多个BLER,所以现有技术表格不适应与5G***。进一步的,考虑到URLLC的业务特征,需要引入更低码率的MCS的指示,因此本申请提供可以实现在不同BLER下的MCS指示信息,从而使得5G NR***支持多个BLER的MCS指示,从而实现支持URLLC业务的需求。
附图说明
为了更清楚地说明本申请实施例的技术方案,下面将对涉及的附图作简单地介绍。
图1为本申请的一种可能的应用场景示意图;
图2为本申请提供的网络设备和终端设备确定下行控制信息的过程示意图;
图3为本申请提供的又一个网络设备和终端设备确定下行控制信息的过程示意图;
图4为本申请提供的终端设备的一种可能的结构示意图;
图5为本申请提供的网络设备的一种可能的结构示意图;
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行描述。
首先对本申请实施例中涉及到的技术概念进行简单介绍。
LTE***的时间域是通过无线帧来进行标识的,一个无线帧包括10个子帧,每一个子帧的长度为1毫秒,每个子帧均包括两个时隙,每个时隙为0.5毫秒。
每个时隙包括的符号的个数与子帧中循环前缀(cyclic prefix,CP)长度相关。如果CP为普通CP,每个时隙包括7个符号,每个子帧由14个符号组成,例如,每个子帧由序号分别为#0,#1,#2,#3,#4,#5,#6,#7,#8,#9,#10,#11,#12,#13的符号组成。如果CP为长CP,每个时隙包括6个符号,每个子帧由12个符号组成,例如每个子帧由序号分别为#0,#1,#2,#3,#4,#5,#6,#7,#8,#9,#10,#11的符号组成。
以5G***为例,在5G***中,存在多种的业务类型,而多种业务类型对应不同的业务需求,例如极高可靠极低时延场景(Ultra-Reliable and Low-Latency Communication,URLLC)要求短时延高可靠性,增强移动宽带(Enhanced Mobile Broadband,EMBB)要求频谱效率高但没有时延要求,海量物联网通信(Massive Machine Type Communication,mMTC)要求周期性低功率发送等等。因此为了满足不同场景的需求,5G***中子帧的长度可能不为1毫秒。在5G***中,每个子帧由多个符号组成,而子帧的长度取决于不同的子载波间隔,如果子载波间隔为15kHz,那么子帧 的长度为1毫秒;如果子载波间隔大于15kHz,那么子帧的长度可能小于1毫秒。5G***可以包含多个子载波间隔的传输,因此不同的子载波间隔对应的子帧的时间长度是不同的,不同的子载波间隔对应的符号的间隔也可能不同。
值得说明的是,本申请实施例中,符号包括上行符号和下行符号,符号可以为单载波频分多址(single carrier-frequency division multiple access,SC-FDMA)符号,也可以为循环前缀正交频分多址(orthogonal frequency division multiplexing,CP-OFDM)符号,也可以是其他OFDM符号。本申请对于上行多址方式和下行多址方式不做限制。
网络设备向终端发送下行控制信息(Downlink Control Information,DCI)来调度数据传输。DCI中可以包括至少一个信息域,其中,不同信息域中可以指示不同的信息,以便指示终端设备执行不同的处理。例如DCI包括用于指示物理上行共享信道(physical uplink shared channel,PUSCH)功率的信息域,即网络设备通知终端设备根据该信息域指示的PUSCH功率发送PUSCH。DCI包括上行DCI和下行DCI,上行DCI用于调度上行数据,下行DCI用于调度下行数据。
下行控制信道为用于承载DCI的信道,即DCI是承载在下行控制信道上的。下行控制信道可以是物理下行控制信道(physical downlink control channel,PDCCH),或者是增强的PDCCH,以及未来版本定义的用于承载DCI的信道。例如,若承载DCI的信道位于物理下行共享信道(physical downlink shared channel,PDSCH)区域时,该信道也看作是下行控制信道。
搜索空间由一个或多个候选下行控制信道组合而成,每个候选下行控制信道均能够用于承载DCI。简言之,搜索空间为下行候选控制信道的集合。控制资源集(control resource set),可以简称CORESET,是用于发送下行控制信道的时频资源,主要存在三种控制资源集合,一种是通过广播信道配置的CORESET,用于调度***消息以及寻呼消息等,可以称做CORESET 1;一种是***信息配置的CORESET,用于调度随机介入过程中进行数据调度,可以称做CORESET 2;另外一种是用户特定的高层信令配置的CORESET3,用于调度用户在正常接入后的数据传输。终端设备需要在已经激活的可用的CORESET中监听候选下行控制信道,所以搜素空间也就是终端设备监听的候选下行控制信道集合。例如,搜索空间由一个或多个PDCCH组成,该搜索空间可以称为PDCCH搜索空间。例如,搜索空间由一个或多个增强的PDCCH组成,该搜索空间可以称为增强的PDCCH搜索空间。
高层信令可以指高层协议层发出的信令,高层协议层为物理层以上的每个协议层中的至少一个协议层。其中,高层协议层具体可以为以下协议层中的至少一个:媒体接入控制(Medium Access Control,MAC)层、无线链路控制(Radio Link Control,RLC)层、分组数据会聚协议(Packet Data Convergence Protocol,PDCP)层、无线资源控制(Radio Resource Control,RRC)层和非接入层(Non Access Stratum,NAS)等。
本申请实施例提供了多种下行控制信息的确定方法和装置,以期更好地满足业务需求和场景需求。不失一般性,本申请结合网络设备和终端设备描述了各个实施例。
本申请各实施例可以应用于多种无线通信***,例如,全球移动通信***(Global  System of Mobile communication,GSM),码分多址(Code Division Multiple Access,CDMA)***,宽带码分多址(Wideband Code Division Multiple Access,WCDMA)***,通用分组无线业务(General Packet Radio Service,GPRS)***,通用移动通信***(Universal Mobile Telecommunications System,UMTS)等,尤其应用于LTE***及LTE-A***和NR***。
其中,终端设备也可以称为用户设备(User Equipment,UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。终端设备可以是无线局域网(Wireless Local Area Networks,WLAN)中的站点(STAION,ST);也可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)设备、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备;还可以是下一代通信***,例如,5G***中的终端设备或者未来演进的公共陆地移动网络(Public Land Mobile Network,PLMN)中的终端设备,或者NR***中的终端设备等。
作为示例而非限定,在本申请实施例中,终端设备还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备,是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称,如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上,或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备,更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能,例如:智能手表或智能眼镜等,以及只专注于某一类应用功能,需要和其它设备如智能手机配合使用,例如各类进行体征监测的智能手环、智能首饰等。
网络设备可以是用于与移动设备通信的设备。例如,网络设备可以是WLAN中的接入点(Access Point,AP),GSM或CDMA中的基站(Base Transceiver Station,BTS),也可以是WCDMA中的基站(NodeB,NB),还可以是LTE中的演进型基站(evolved NodeB,eNB或eNodeB),或者中继站或接入点,或者车载设备、可穿戴设备以及未来5G***中的网络设备或者未来演进的PLMN中的网络设备,或NR***中的新一代基站(new generation NodeB,gNodeB)等。
在本申请实施例中,网络设备为小区提供服务,终端设备通过该小区使用的传输资源(例如,频域资源,或者说,频谱资源)与网络设备进行通信,该小区可以是网络设备(例如基站)对应的小区,小区可以属于宏基站,也可以属于小小区(small cell)对应的基站,这里的小小区可以包括:城市小区(Metro cell)、微小区(Micro cell)、微微小区(Pico cell)、毫微微小区(Femto cell)等,这些小小区具有覆盖范围小、发送功率低的特点,适用于提供高速率的数据传输服务。
此外,LTE***或NR***中的载波上可以同时有多个小区同频工作,在某些特殊场景下,也可以认为上述载波与小区的概念等同。例如,在载波聚合(Carrier Aggregation,CA)场景下,当为终端设备配置辅载波时,会同时携带辅载波的载波索引和工作在该辅载波的辅小区的小区标识(Cell Indentify,Cell ID),在这种情况下,可以认为载波与小 区的概念等同,例如终端设备接入一个载波和接入一个小区是等同的。
本申请实施例提供的方法和设备,可以应用于各种通信装置,例如应用于终端设备或网络设备,该终端设备或网络设备包括硬件层、运行在硬件层之上的操作***层,以及运行在操作***层上的应用层。该硬件层包括中央处理器(Central Processing Unit,CPU)、内存管理单元(Memory Management Unit,MMU)和内存(也称为主存)等硬件。该操作***可以是任意一种或多种通过进程(Process)实现业务处理的计算机操作***,例如,Linux操作***、Unix操作***、Android操作***、iOS操作***或windows操作***等。该应用层包含浏览器、通讯录、文字处理软件、即时通信软件等应用。并且,本申请实施例并未对本申请实施例提供的方法的执行主体的具体结构特别限定,只要能够通过运行记录有本申请实施例的提供的方法的代码的程序,以根据本申请实施例提供的方法进行通信即可,例如,本申请实施例提供的方法的执行主体可以是终端设备或网络设备,或者,是终端设备或网络设备中能够调用程序并执行程序的功能模块。
此外,本申请实施例的各个方面或特征可以实现成方法、设备或使用标准编程和/或工程技术的制品。本申请中使用的术语“制品”涵盖可从任何计算机可读器件、载体或介质访问的计算机程序。例如,计算机可读介质可以包括,但不限于:磁存储器件(例如,硬盘、软盘或磁带等),光盘(例如,压缩盘(Compact Disc,CD)、数字通用盘(Digital Versatile Disc,DVD)等),智能卡和闪存器件(例如,可擦写可编程只读存储器(Erasable Programmable Read-Only Memory,EPROM)、卡、棒或钥匙驱动器等)。另外,本文描述的各种存储介质可代表用于存储信息的一个或多个设备和/或其它机器可读介质。术语“机器可读介质”可包括但不限于,无线信道和能够存储、包含和/或用于传输指令和/或数据的各种其它介质。
另外,在本文中提及的“多个”是指两个或两个以上。“和/或”,描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。符号“/”一般表示前后关联对象是一种“或”的关系。
图1示出了可以应用本申请实施例的方案的一种应用场景的示意图。如图1所示,该应用场景中包括小区基站101,处在小区基站101覆盖范围内并与小区基站101进行通信的终端设备102和终端设备103;其中,小区基站101可以是LTE***的基站,终端设备102和终端设备103可以是对应的LTE***的终端设备,小区基站101和终端设备102均为支持短传输时间间隔(Transmission Time Interval,TTI)传输的设备,终端设备103为不支持短TTI(short TTI,sTTI)传输的设备。小区基站101可以分别使用短TTI或正常的1毫秒(ms)TTI和终端设备102进行通信。小区基站101可以使用正常的1ms TTI和终端设备103进行通信。
图2所示为本申请一个实施例提供的确定下行控制信息的交互过程示意图,图2中的实施例以网络设备确定下行控制信息(例如,downlink control information,DCI)并向终端设备发送所述下行控制信息,终端设备从网络设备接收所述下行控制信息并确定所接收的下行控制信息为例进行说明,但是本申请实施例并不以此为限,任何确定下行控制信息的通信场景均适用本申请实施例提供的技术方案。
步骤201,网络设备确定下行控制信息,所述下行控制信息包括至少一个信息域。
本申请实施例中,下行控制信息可以包括一个或多个信息域,所述一个或多个信息域可以用于指示一种或多种信息,例如所述一种或者多个信息可以为:下行控制信道调度的数据传输采用的载波信息,下行控制信道调度的数据所占用的时频资源信息,下行控制信道调度的数据采用的调制编码方案,下行控制信道调度的数据采用的冗余版本等等,在下行数据信道调度的数据接收或者发送过程中需要知道的所有的信息。
在一个可选的实施例中,所述至少一个信息域包括第一信息域,所述第一信息域指示所述下行控制信息的格式,所述下行控制信息的格式为多种格式中的一种格式,所述多种格式对应同一个比特数。
本申请实施例中,如无特殊说明,下行控制信息格式(DCI format)和下行控制信息的格式(DCI format)都简称为格式(format)。格式对应的比特数或具有该格式的下行控制信息的比特数,均指网络设备在发送具有该格式的下行控制信息时所实际发送的比特数(payload size),实际发送的比特数中不仅包括了有实际控制信息的信息比特数,还包括了填充比特(padding)的比特数。下行控制信息的比特数也指网络设备在发送该下行控制信息时所实际发送的比特数(payload size)。之后不再赘述。
例如,所述第一信息域大于或等于1比特,该第一信息域的比特的状态值指示所述下行控制信息的格式。当所述多种格式包括第一格式和第二格式时,所述第一信息域可以通过1比特或多比特指示所述下行控制信息是所述第一格式或所述第二格式。例如所述第一信息域中的1比特的状态值是“0”则代表所述下行控制信息的格式是所述第一格式(或者是第二格式),当所述1比特的状态值是“1”则代表所述下行控制信息的格式是第二格式(或者是第一格式)。当所述多种格式包括四种格式时,所述第一信息域可以通过多比特指示所述下行控制信息的格式为所述四种格式中的哪种格式,例如所述第一信息域中的2比特的四个状态值“00”,“01”,“10”和“11”分别对应四种格式。可选的,所述四种格式包括上行紧凑格式,下行紧凑格式,上行回退格式,和下行回退格式,其中,上行紧凑格式(上行紧凑格式的下行控制信息),以及上行回退格式(上行回退格式的下行控制信息)用于调度上行数据,下行紧凑格式(下行紧凑格式的下行控制信息),以及下行回退格式(下行回退格式的下行控制信息)用于调度下行数据。
可选的,本申请实施例中的第一格式是回退(fallback)格式,第二格式是紧凑(compact)格式。一般情况下,回退格式的下行控制信息使用在RRC未建立或者RRC重配过程中进行数据调度,其主要特点是不能包含有RRC配置信息,或者说,其比特数往往不会受到配置信息的影响,且其内容也不能受到RRC信令的影响,主要是在回退状态下,维持数据的正常调度,而紧凑格式的下行控制信息一般用于调度对可靠性和/或延迟的要求比较高的场景或业务。
值得说明的是,本申请所采用的序号标识,例如“第一”和“第二”仅仅是为了便于理解而采用的表述,其并没有实际含义,也可以采用其他序号标识,例如格式A,格式B,第八格式,第十格式等,并且如无特别说明,本申请实施例所采用的序号标识也并不暗示顺序,例如当实施例中存在第五格式和第七格式时,并不代表还存在第六格式,另外, 一般地,不同的序号标识指代不同的对象。如无特别说明,本申请实施例中的各种序号标识均遵从上述约定,不再赘述。
步骤202,网络设备发送所述下行控制信息。其中,网络设备可以在公共搜索空间或者公共控制资源集发送所述下行控制信息,也可以在特定搜索空间或者特定控制资源集发送所述下行控制信息,当然,网络设备也可以在上述每个搜索空间或每个控制资源集都发送所述下行控制信息。
在一个可选的实施例中,当网络设备在公共搜索空间或者公共控制资源集发送所述下行控制信息时,所述至少一个信息域指示第一信息,当网络设备在特定搜索空间或者特定控制资源集发送所述下行控制信息时,所述至少一个信息域指示第二信息。例如,第一信息和第二信息是调度信息和/或控制信息。例如,所述第一信息代表:以第一功率发送PUSCH,和/或,进行PUSCH的跳频;所述第二信息代表:以第二功率发送PUSCH,和/或,不进行PUSCH的跳频。所述第一信息和第二信息可以是本申请实施例中任一信息域所指示的信息。
其中,当网络设备在公共搜索空间或者公共控制资源集发送所述下行控制信息时,所述下行控制信息的比特数为第一比特数(payload size),当网络设备在特定搜索空间或者特定控制资源集发送所述下行控制信息时,所述下行控制信息的比特数为第二比特数(payload size),需要特殊说明的是,所述第一比特数和第二比特数可以是不同的比特数,也可以是相同的比特数,例如,网络设备可以根据相同的比特数(payload size)发送所述下行控制信息。该相同的比特数也可以是预设的比特数(payload size)。因此,在一个可选的实施例中,在步骤202中,网络设备根据所述预设的比特数发送所述下行控制信息,也就是说,在步骤202中,网络设备可以根据所述预设的比特数在公共搜索空间或者公共控制资源集发送所述下行控制信息,也可以根据所述预设的比特数在特定搜索空间或者特定控制资源集发送所述下行控制信息。进一步的,当网络设备根据预设的比特数在公共搜索空间或者公共控制资源集发送所述下行控制信息时,所述至少一个信息域指示第一信息,当网络设备以该预设的比特数在特定搜索空间或者特定控制资源集发送所述下行控制信息时,所述至少一个信息域指示第二信息。
其中,当网络设备在公共搜索空间或者公共控制资源集发送所述下行控制信息时,所述下行控制信息的格式为第一格式,当网络设备在特定搜索空间或者特定控制资源集发送所述下行控制信息时,所述下行控制信息的格式为第二格式,需要特殊说明的是,所述第一格式和第二格式可以是相同的格式,也可以是不同的格式。如果第一格式和第二格式相同,也就是说某一格式的下行控制信息可以在不同的搜索空间或者控制资源集进行发送,但是在不同的搜索空间该格式的下行控制信息中比特域可以有不同的解读或者比特数不同。如果第一格式和第二格式不同,也就是说两种控制信息分别在两个搜索空间发送,他们的比特域之间没有必然的关系,可以有分别的定义,做分别的解读。
可选的,在申请实施例中,在公共搜索空间或者公共控制资源集发送的下行控制信息可以是回退格式或者实现回退下行控制信息功能,在特定搜索空间或者特定控制资源集发送的下行控制信息可以是紧凑格式或者实现紧凑下行控制信息功能。可选的,本申请实施例中,在特定搜索空间或者特定控制资源集发送的下行控制信息可以是回退格式 或者实现回退下行控制信息功能,在公共搜索空间或者公共控制资源集发送的下行控制信息可以是紧凑格式或者实现紧凑下行控制信息功能。
一般情况下,回退格式或实现回退下行控制信息功能的下行控制信息使用在RRC未建立,或者RRC重配过程中进行数据调度,其主要特点是不能包含有RRC配置信息,或者说其比特数往往不会受到配置信息的影响,且其内容也不能受到RRC信令的影响,主要是在回退状态下,维持数据的正常调度,而紧凑格式或实现紧凑下行控制信息功能的下行控制信息一般用于调度对可靠性和/或延迟的要求比较高的场景或业务。
步骤203,终端设备从网络设备接收下行控制信息,所述下行控制信息包括至少一个信息域。其中,终端设备通过盲检测的方式接收网络设备发送的所述下行控制信息。终端设备在公共搜索空间(或者公共控制资源集)和/或特定搜索空间(或者特定控制资源集)进行盲检测。如果网络设备在公共搜索空间发送下行控制信息,则终端设备在公共搜索空间接收该下行控制信息。如果网络设备在特定搜索空间发送下行控制信息,则终端设备在特定搜索空间接收该下行控制信息。可以认为,在步骤203中,终端设备成功接收了网络设备发送的所述下行控制信息。
例如根据前述的实施例,网络设备发送的下行控制信息包括第一信息域,所述第一信息域指示所述下行控制信息的格式,所述下行控制信息的格式为多种格式中的一种格式,所述多种格式对应同一个比特数。则终端设备基于该同一个比特数进行盲检测,进而能够成功接收该下行控制信息。在这种情况下,由于该多种格式对应同一个比特数,因此,当针对该多种格式的下行控制信息进行盲检测时,终端设备仅需要根据该同一个比特数在公共搜索空间(或者公共控制资源集)和特定搜索空间(或者特定控制资源集)执行一次盲检测过程。当然,在通信***中,如果该多种格式的下行控制信息仅在公共搜索空间(或者公共控制资源集)被发送,则终端设备也可以根据该同一个比特数仅在公共搜索空间(或者公共控制资源集)执行盲检测,相应地,如果该多种格式的下行控制信息仅在特定搜索空间(或者特定控制资源集)被发送,则终端设备也可以根据该同一个比特数仅在特定搜索空间(或者特定控制资源集)执行盲检测。
步骤204,终端设备确定所述至少一个信息域指示的信息。
例如,根据前述的实施例,终端设备接收的下行控制信息的第一信息域指示了所述下行控制信息的格式,因此,终端设备可以基于该第一信息域确定所述下行控制信息的格式。例如,当所述多种格式包括第一格式和第二格式时,终端设备可以根据所述第一信息域的1比特或多比特确定所述下行控制信息的格式是所述第一格式或所述第二格式。例如所述第一信息域中的1比特的状态值是“0”则确定所述下行控制信息的格式是所述第一格式(或者是第二格式),当所述1比特的状态值是“1”则确定所述下行控制信息的格式是第二格式(或者是第一格式)。可选的,本申请实施例中的第一格式是回退(fallback)格式,第二格式是紧凑(compact)格式。当所述多种格式包括四种格式时,终端设备可以根据所述第一信息域的多比特确定所述下行控制信息的格式为所述四种格式中的哪种格式,例如所述第一信息域中的2比特的四个状态值“00”,“01”,“10”和“11”分别对应四种格式。可选的,所述四种格式包括上行紧凑格式,下行紧凑格式,上行回退格式,和下行回退格式。
在一个可选的实施例中,当终端设备在公共搜索空间或者公共控制资源集接收所述下行控制信息时,所述终端设备确定所述至少一个信息域指示第一信息,当终端设备在特定搜索空间或者特定控制资源集接收所述下行控制信息时,所述终端设备确定所述至少一个信息域指示第二信息。例如,所述第一信息代表:以第一功率发送PUSCH,和/或,进行PUSCH的跳频;所述第二信息代表:以第二功率发送PUSCH,和/或,不进行PUSCH的跳频。
其中,当终端设备在公共搜索空间或者公共控制资源集接收到所述下行控制信息时,所述下行控制信息具有第一比特数(payload size),当终端设备在特定搜索空间或者特定控制资源集接收到所述下行控制信息时,所述下行控制信息具有第二比特数(payload size),需要特殊说明的是,所述第一比特数和第二比特数可以是相同的比特数,也可以是不同的比特数。当第一比特数和第二比特数是相同的比特数时,这意味着终端设备可以通过一次盲检测过程在公共搜索空间或者特定搜索空间接收到所述下行控制信息。当第一比特数和第二比特数是不同的比特数时,这意味着终端设备要通过两次盲检测过程才能在公共搜索空间或者特定搜索空间接收到所述下行控制信息。如果需要检测的下行控制信息具有同一个比特数,终端设备仅需要执行一次盲检测过程,如果需要检测额下行控制信息具有不同的比特的数,终端设备需要执行多次盲检测过程,而执行盲检测过程的次数越多则时延越大,耗电量也越大。
因此,在一个可选的实施例中,对于具有相同比特数或预设的比特数的下行控制信息,终端设备根据相同的比特数或预设的比特数在公共搜索空间(或者公共控制资源集)和特定搜索空间(或者特定控制资源集)执行一次盲检测过程。也就是说,在步骤203中,终端设备根据预设的比特数接收所述下行控制信息:当网络设备在公共搜索空间或公共控制资源集发送了所述下行控制信息,则在步骤203中,终端设备根据该预设的比特数从公共搜索空间或公共控制资源集接收所述下行控制信息,当网络设备在特定搜索空间或特定控制资源集发送了所述下行控制信息,则在步骤203中,终端设备根据该预设的比特数从特定搜索空间或特定控制资源集接收所述下行控制信息。进一步的,所述下行控制信息包括至少一个信息域,当终端设备在公共搜索空间或者公共控制资源集接收到所述下行控制信息时,所述至少一个信息域指示第一信息,当终端设备以该预设的比特数在特定搜索空间或者特定控制资源集接收所述下行控制信息时,所述至少一个信息域指示第二信息。
其中,当终端设备在公共搜索空间或者公共控制资源集接收所述下行控制信息时,所述终端设备确定所述下行控制信息的格式为第一格式,当终端设备在特定搜索空间或者特定控制资源集接收所述下行控制信息时,所述终端设备确定所述下行控制信息的格式为第二格式,需要特殊说明的是,所述第一格式和第二格式可以是相同的格式,也可以是不同的格式。
根据本申请的实施例,网络设备能够灵活地确定下行控制信息的结构,比特数,和/或所指示的信息等,并选择适当的搜索空间发送该下行控制信息,终端设备通过盲检测过程接收网络设备发送的下行控制信息并确定下行控制信息所指示的调度信息和/或控制信息,进而根据下行控制信息指示的内容完成数据传输,从而适应各种通信场景。并 且,网络设备可以在各搜索空间或控制资源集中根据相同的比特数发送多种下行控制信息,当终端设备需要对该多种下行控制信息进行盲检测时,只需要执行一次盲检测过程就可以接收到网络设备发送的下行控制信息,适用于对时延有特定需求的场景,而且能够省电。进一步地,网络设备也可以在不同的搜索空间发送相同格式的下行控制信息,而在不同的搜索空间被发送的下行控制信息的相同信息域具有不同定义,从而网络设备和终端设备能够灵活收发下行控制信息,更好地满足不同的场景需求。通过保证信息比特数接近的多个下行控制信息格式的实际比特数相同,并在下行控制信息开始位置增加头(header)域,来区分这些比特数相同的下行控制信息格式,能够用少量的比特数开销,即头开销,换取终端设备降低盲检测次数,从而降低终端设备的耗电量,并且能够降低时延。
在本申请的一个实施例中,第二信息域用于指示所述下行控制信息调度的数据传输所对应的载波。例如网络设备可以通过下行控制信息中包括的所述第二信息域向终端设备指示所述下行控制信息调度的数据传输所使用的载波,终端设备在确定所述第二信息域指示的信息后,根据其指示的载波传输数据。在又一个本申请的实施例中,所述第二信息域用于指示预配置的资源集合内未占用的时频资源是否可以被所述下行控制信息调度的数据传输占用。例如预配置的资源集合可以是高层信令配置的,或者是协议确定的,网络设备通过下行控制信息中包括的所述第二信息向终端设备指示该集合内的可用资源是否可以被所述下行控制信息调度的数据传输占用。值得说明的是,网络设备确定的所述下行控制信息所包括的至少一个信息域,一个或多个具有相同指代名称的信息域,本申请实施例对此不作限制,例如所述至少一个信息域可以包括一个第二信息域,也可以包括多个第二信息域,例如当包括两个第二信息域时,其中的一个用于指示为所述下行控制信息调度的数据传输所对应的载波,其中的另一个用于指示预配置的资源集合内未占用的时频资源可以或不可以被所述下行控制信息调度的数据传输占用。
在本申请实施例中,所述至少一个信息域不承载某个信息域所指示的信息的含义可以是所述某个信息域在所述下行控制信息中的比特位是0比特,即可以理解为所述下行控制信息不包括所述某个信息域,或者理解为所述下行控制信息包括所述某个信息域,但是没有给所述某个信息域分配比特;或者,所述某个信息域为保留(reserved)状态,这时所述某个信息域大于或等于1比特,但是由于其处于保留状态,其指示的信息不再生效或不存在,之后相似或相同的概念不再赘述。
在本申请实施例中,网络设备还可以发送高层信令,所述高层信令指示所述下行控制信息是否包括所述至少一个信息域,和/或,所述高层信令指示所述所述至少一个信息域的比特数。如图3所示,步骤301到步骤304与步骤201到步骤204类似,不再赘述。在步骤305中,在步骤306中,终端设备接收所述高层信令。终端设备可以根据高层信令的指示来确定所述下行控制信息中是否包括所述至少一个信息域。值得说明的是,本实施例对步骤305和步骤306相对于步骤301到步骤304的执行顺序不做限定,其可是任意符合逻辑的执行顺序。
在本申请的一个实施例中,所述网络设备在公共搜索空间或公共控制资源集发送了所述下行控制信息,所述下行控制信息的至少一个信息域不承载所述第二信息域指示的 信息;或者,所述网络设备发送了所述下行控制信息,所述下行控制信息具有第一格式,所述下行控制信息的至少一个信息域不承载所述第二信息域指示的信息。也就是说,在公共搜索空间或公共控制资源集发送的所述下行控制信息的所述至少一个信息域不承载所述第二信息域指示的信息;或者,具有第一格式的下行控制信息的至少一个信息域不承载所述第二信息域指示的信息。相应地,终端设备是在公共搜索空间或公共控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第一格式。
结合上面的实施例,所述网络设备是在特定搜索空间或特定控制资源集发送了所述下行控制信息,和/或,所述网络设备发送的所述下行控制信息具有第二格式。相应地,终端设备是在特定搜索空间或特定控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第二格式。对于这种情况,所述网络设备还发送高层信令,所述高层信令指示所述下行控制信息包括所述第二信息域和/或指示所述第二信息域的比特数。也就是说,终端设备接收到高层信令后,可以通过高层信令确定所述下行控制信息中是否包括所述第二信息域和/或通过所述高层信令确定所述第二信息域的比特数。
通过本实施例所述的方法,终端设备如果在公共搜索空间或公共控制资源集接收到下行控制信息,或者,终端设备确定接收到的下行控制信息为第一格式,则该下行控制信息不包括载波指示域或者资源共享域的指示信息,终端设备此时工作在回退状态下,只维持正常的通信,从而使得终端设备更加省电,也能避免终端在RRC重配的过程中,网络设备和终端设备理解不一致,造成通信失败以及资源浪费。终端设备如果在特定的搜索空间或特定的控制资源集接收到下行控制信息,或者,终端设备确定接收到的下行控制信息为第二格式,则该下行控制信息会指示数据调度的载波,和/或资源共享信息。从而可以使得实现跨载波调度,提高调度的灵活性,并且能够增减数据传输的带宽,提高数据传输速率;通过将预配置的未使用的资源给数据信道用,能够提高资源利用率。
在本申请的一个实施例中,所述至少一个信息域包括第三信息域,所述第三信息域指示为所述下行控制信息调度的数据传输所占用的频域资源位置。所述网络设备在公共搜索空间或公共控制资源集发送了所述下行控制信息,或者,所述网络设备发送了所述下行控制信息,所述下行控制信息具有第一格式。相应地,终端设备是在公共搜索空间或公共控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第一格式。所述下行控制信息通过第一无线网络临时标识加扰,所述第三信息域指示的频域位置在第一带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第一带宽部分内的物理资源块0;或者,所述下行控制信息通过第二无线网络临时标识加扰,所述下行控制信息的所述第三信息域指示的频域资源位置在为第二带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第二带宽部分内的物理资源块0。例如,所述第一无线网络临时标识是小区无线网络临时标识(C-RNTI),和/或,所述第二无线网路临时标识是随机接入无线网络临时标识(RA-RNTI)。所述第一带宽部分(bandwidth part,BWP)为默认带宽部分(default BWP),包括默认上行带宽部分和/或默认下行带宽部分;所述第二带宽部分为初始激活带宽部分(initial active BWP),包括初始激活上行带宽部分和/或初始激活下行带宽部分;所述第三带宽部分为用户在建 立RRC连接后,激活的带宽部分,也包括上行带宽部分和/或下行带宽部分。只要不同的下行控制信息加扰方式对应的调度的数据位于不同的BWP,且该下行控制信息指示的频域位置的参考物理资源块0的位置为不同的BWP都在本发明的保护范围内。
结合上面的实施例,所述网络设备是在特定搜索空间或特定控制资源集发送了所述下行控制信息,和/或,所述网络设备发送的所述下行控制信息具有第二格式。相应地,终端设备是在特定搜索空间或特定控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第二格式。所述下行控制信息的所述第三信息域对应指示的频域资源位置在为第三带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第三带宽部分内的物理资源块0。
通过采用本实施例所述的方法,终端和设备在不同的搜索空间或者不同的控制资源集接收到下行控制信息后,或者接收到不同的下行控制信息格后式,根据下行控制信息不同的加扰方式来理解频域资源指示信息,这样在随机接入或者寻呼过程或者在正常的数据传输中,网络设备和终端可以有一致的理解,避免在这个过程中BWP的模糊,网络设备发送的数据本来在BWP 1,用户却在之前配置的BWP上去接收数据,使得本次数据传输失败,造成资源浪费。
在本申请的一个实施例中,所述至少一个信息域包括所述第四信息域,所述第四信息域指示为所述下行控制信息调度的数据传输所占用的时域资源位置。所述网络设备在公共搜索空间或公共控制资源集发送了所述下行控制信息,或者,所述网络设备发送了所述下行控制信息,所述下行控制信息具有第一格式。相应地,终端设备是在公共搜索空间或公共控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第一格式。所述至少一个信息域不承载第四信息域指示的信息。所述下行控制信息可以对应预设的时域资源信息,所述预设的时域资源信息指示为所述下行控制信息调度的数据传输所占用的时域资源位置,和/或,所述第四信息域包括
Figure PCTCN2018114995-appb-000025
比特,所述
Figure PCTCN2018114995-appb-000026
比特的至少一个状态值对应于第一表格中的行,所述第一表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述N为正整数;
结合上面的实施例,所述网络设备是在特定搜索空间或特定控制资源集发送了所述下行控制信息,和/或,所述网络设备发送的所述下行控制信息具有第二格式。相应地,终端设备是在特定搜索空间或特定控制资源集接收所述下行控制信息,所述第四信息域包括
Figure PCTCN2018114995-appb-000027
比特,所述
Figure PCTCN2018114995-appb-000028
比特的至少一个状态值对应于第二表格中的行,所述第二表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述M为正整数。其中,所述第一表格和第二表格可以是信令配置的。第一表格和第二表格可以参考表1.
如表1所示,表1包括五行,其中每行包括索引,并且包括起始符号,符号长度,终止符号中的至少一个。对于表1,可以通过3个比特位来指示所述第四信息域对应表1中的哪一行。例如3个比特位的状态值是“010”,则其与表1中Index为2的行对应,从而可以确定所述下行控制信息调度的数据传输所配置的时域资源位置。例如,表中的起始符号可以以下行控制信息的开始位置为参考,起始符号为0指向所述下行控制信息的开始位置的符号,表格中的长度指从起始符号起经过的符号数,表格中的终止符号同样可以以所述下行控制信息的开始位置为参考。
Index 起始符号 长度 终止符号
0 0 2 14
1 0 4 14
2 0 7 Null
3 0 14 Null
4 3 Null 14
表1
可选的,所述第一表格由第三表格中的N行构成,其中,所述第三表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第三表格为协议规定的,或者,所述第三表格是通过高层信令配置的;和/或,所述第二表格由第四表格中的M行构成,其中,所述第四表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第四表格为协议规定的,或者,所述第四表格是通过高层信令配置的。所述第三表格和第四表格可以参见表2。
如表2所示,表2包括多行,其中表2的行可以包括索引,并且包括起始符号,符号长度,终止符号中的至少一个。可以通过协议规定如表2所示的一个完整表,从而不需要单独设计表格,仅根据需要终端设备或网络设备确定采用完整表中的那些行或项。例如,前述实施例中的所述第一表格可是由表3中索引0到4所对应的行构成。通过这种方式,由于网络设备和终端设备是基于一个完整表确定所采用的内容,这样可以避免在RRC重配置时,网络设备和用户设备产生不一致的理解,并且可以提供灵活性,以满足各种业务的时延需求等。
Index 起始符号 长度 终止符号
0 0 2 14
1 0 4 14
2 0 7 Null
3 0 14 Null
4 3 Null 14
5 0(default) Null 7
6 0 Null Null
... ... ... ...
表2
通过本实施例所述的方法,终端设备如果在公共搜索空间或公共控制资源集接收到下行控制信息,或者,终端设备确定接收到的下行控制信息为第一格式,则该下行控制信息包括有限比特的时域资源指示信息,例如2比特的时域资源指示信息,该指示信息 指示一个协议预定的较小的时域资源的表格,虽然终端设备此时工作在回退状态下,只维持正常的通信,但是可以实现基于迷你时隙的调度以及基于时隙的调度,从而满足不同业务的可靠性需求,并且由于比特数比较少,也能提高控制信道的可靠性。终端设备如果在特定的搜索空间或特定的控制资源集接收到下行控制信息,或者,终端设备确定接收到的下行控制信息为第二格式,则该下行控制信息包括有限比特的时域资源指示信息,例如3比特的时域资源指示信息,该指示信息指示一个高层信令配置的另外一个时域资源的表格,这样可以实现灵活调度,满足不同的可靠性需求。
在本申请的一个实施例中,所述网络设备在公共搜索空间或公共控制资源集发送了所述下行控制信息,或者,所述网络设备发送了所述下行控制信息,所述下行控制信息具有第一格式。相应地,终端设备是在公共搜索空间或公共控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第一格式。所述至少一个信息域不承载第五信息域指示的信息,所述下行控制信息对应预设的K值,所述预设的K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔;或者,所述至少一个信息域包括所述第五信息域,所述第五信息域包括
Figure PCTCN2018114995-appb-000029
比特,所述
Figure PCTCN2018114995-appb-000030
比特的至少一个状态值对应P个K值中的一个,所述P个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述P为正整数。所述P个K值组成一个K集合,这个集合是协议规定的。
结合上面的实施例,所述网络设备是在特定搜索空间或特定控制资源集发送了所述下行控制信息,和/或,所述网络设备发送的所述下行控制信息具有第二格式。相应地,终端设备是在特定搜索空间或特定控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第二格式。所述至少一个信息域包括所述第五信息域,所述方法还包括:发送配置信息,所述配置信息指示K值的集合,所述K值的结合包括Q个K值,所述第五信息域包括
Figure PCTCN2018114995-appb-000031
比特,所述
Figure PCTCN2018114995-appb-000032
比特的至少一个状态值对应所述Q个K值中的一个,所述Q个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述Q为正整数。所述Q个K值组成一个K集合,这个集合是高层信令配置的。
通过本实施例所述的方法,当终端设备在通过本实施例所述的方法,终端设备如果在公共搜索空间或公共控制资源集接收到下行控制信息,或者,终端设备确定接收到的下行控制信息为第一格式,则该下行控制信息中用于指示下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔的信息不存在,避免在重配置等模糊期,网络设备和用户设备理解不一致,造成传输失败。如果在特定搜索空间或特定控制资源集发送了所述下行控制信息,或,所述下行控制信息具有第二格式,则第五信息域指示一个配置的K集合中的一个值,这样可以为网络侧调度提供灵活性,避免上行碰撞以保证可靠性等。
在本申请的一个实施例中,所述至少一个信息域包括第六信息域,所述第六信息域指示所述终端设备指示所述终端设备是否需要上报非周期信道质量信息(CQI),和/或,所述第六信息域指示所述终端设备是否进行信道探测参考信号(SRS)测量。所述网络设备在公共搜索空间或公共控制资源集发送了所述下行控制信息,或者,所述网络设备发 送了所述下行控制信息,所述下行控制信息具有第一格式。相应地,终端设备是在公共搜索空间或公共控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第一格式。所述至少一个信息域不承载第六信息域指示的信息。
结合上面的实施例,所述网络设备是在特定搜索空间或特定控制资源集发送了所述下行控制信息,和/或,所述网络设备发送的所述下行控制信息具有第二格式。相应地,终端设备是在特定搜索空间或特定控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第二格式。所述至少一个信息域包括所述第六信息域,所述第六信息域大于等于1比特。例如所述第六信息域为1比特,通过该1比特的状态“0”指示所述终端设备需要上报非周期信道质量信息,和/或通过该1比特的状态“1”指示所述终端设备不需要上报非周期信道质量信息。或者,所述第六信息域等于4比特。例如通过该4比特的状态来触发上行信道探测参考信号(SRS)测量。
值得说明的是,网络设备确定的所述下行控制信息所包括的至少一个信息域,一个或多个具有相同指代名称的信息域,本申请实施例对此不作限制,例如所述至少一个信息域可以包括一个第六信息域,也可以包括多个第六信息域,例如当包括两个第六信息域时,其中的一个用于指示所述终端设备是否需要上报非周期信道质量信息(CQI),其中另外一个用于指示所述终端设备是否进行信道探测参考信号(SRS)测量。
在本申请的一个实施例中,所述至少一个信息域用于指示所述下行控制信息调度的数据传输所采用的冗余版本。所述网络设备在公共搜索空间或公共控制资源集发送了所述下行控制信息,或者,所述网络设备发送了所述下行控制信息,所述下行控制信息具有第一格式。相应地,终端设备是在公共搜索空间或公共控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第一格式。所述第七信息域大于或等于1比特,所述第七信息域的状态值对应X个冗余版本中的一个,所述X为正整数。
结合上面的实施例,所述网络设备是在特定搜索空间或特定控制资源集发送了所述下行控制信息,和/或,所述网络设备发送的所述下行控制信息具有第二格式。相应地,终端设备是在特定搜索空间或特定控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第二格式。所述至少一个信息域不承载第所述第七信息域指示的信息,所述下行控制信息调度的数据传输采用预设的冗余版本,预设的冗余版本例如是信令配置的,或者是协议规定的;或者,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应L个冗余版本中的一个,所述L为正整数。
在本申请的一个实施例中,所述至少一个信息域包括所述第八信息域,所述第八信息域用于指示终端设备是否进行信道状态测量的上报。所述网络设备在公共搜索空间或公共控制资源集发送了所述下行控制信息,或者,所述网络设备发送了所述下行控制信息,所述下行控制信息具有第一格式。相应地,终端设备是在公共搜索空间或公共控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第一格式。所述至少一个信息域不承载第八信息域指示的信息;或者,所述第八信息域包括1比特,所述1比特用于指示终端设备是否进行信道状态测量的上报,所述信道状态测量的方式包括基于距离最近的同步数据块的参考信号进行测量,基于***信息所在的控制 资源集的及参考信号进行测量,以及基于广播信道的参考信号进行测量中的一种。
结合上面的实施例,所述网络设备是在特定搜索空间或特定控制资源集发送了所述下行控制信息,和/或,所述网络设备发送的所述下行控制信息具有第二格式。相应地,终端设备是在特定搜索空间或特定控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第二格式。所述至少一个信息域还包括第九信息域,所述第八信息域大于或者等于1比特,所述大于或者等于1比特用于指示终端设备是否进行信道状态测量的上报,所述第九信息域大于或等于1比特,所述第九信息域指示V个用于进行信道状态测量的参考信号中的一个,其中,所述V个用于进行信道状态测量的参考信号可以是高层信令配置的。
在本申请的一个实施例中,所述至少一个信息域包括第十信息域,所述第十信息域用于指示为所述下行控制信息调度的数据传输所配置的上行控制信道资源。所述网络设备在公共搜索空间或公共控制资源集发送了所述下行控制信息,或者,所述网络设备发送了所述下行控制信息,所述下行控制信息具有第一格式。相应地,终端设备是在公共搜索空间或公共控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第一格式。所述第十信息域包括
Figure PCTCN2018114995-appb-000033
比特,所述
Figure PCTCN2018114995-appb-000034
比特的至少一个状态值对应所述B个上行控制信道资源中的至少一个,所述B个上行控制信道资源中的至少一个对应于第五表格中至少一行的索引,所述第五表格中至少一行对应至少一个上行控制信道资源,所述B为正整数。其中,所述第五表格可以是***信息配置的,并且在一种实现方式中,可以通过***信息配置多个第五表格,终端设备通过需要发送的上行控制信息的比特数确定实际使用第五表格,所述下行控制信息中的第十信息域用于指示该第五表格中的索引;在另外一种可能的实现方式中,表格中的部分分量是***信息配置的,比如表格中的上行控制信道资源的食欲长度可配置,剩余的部分分量可以是协议预定义的。
结合上面的实施例,所述网络设备是在特定搜索空间或特定控制资源集发送了所述下行控制信息,和/或,所述网络设备发送的所述下行控制信息具有第二格式。相应地,终端设备是在特定搜索空间或特定控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第二格式。所述第十信息域包括
Figure PCTCN2018114995-appb-000035
比特,所述
Figure PCTCN2018114995-appb-000036
比特的至少一个状态值对应所述A个上行控制信道资源中的至少一个,所述A个上行控制信道资源中的至少一个对应于第六表格中的至少一行的索引,所述至少一行对应至少一个上行控制信道资源。其中,所述第六表格可以是用户特定的高层信令配置的。
在本申请的一个实施例中,所述至少一个信息域包括第十一信息域,所述第十一信息域指示为所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准同定位(quasi-co-located)关系假设。所述网络设备在公共搜索空间或公共控制资源集发送了所述下行控制信息,或者,所述网络设备发送了所述下行控制信息,所述下行控制信息具有第一格式。相应地,终端设备是在公共搜索空间或公共控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第一格式。所述至少一个信息域不承载第十一信息域指示的信息。可选的,所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集的准同定位关 系确定下行控制信息调度的数据传输的准同定位关系假设。
结合上面的实施例,所述网络设备是在特定搜索空间或特定控制资源集发送了所述下行控制信息,和/或,所述网络设备发送的所述下行控制信息具有第二格式。相应地,终端设备是在特定搜索空间或特定控制资源集接收所述下行控制信息,和/或,所述终端设备接收的所述下行控制信息具有第二格式。所述至少一个信息域不承载第十一信息域指示的信息,可选的,所述终端设备根据预定义准同定位关系假设,确定所述下行控制信息调度的数据传输的准同定位关系;或者,所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集的准同定位关系确定下行控制信息调度的数据传输的准同定位关系假设。
上述实施例主要从方法角度对本申请提供的技术方案进行介绍。可以理解的是,终端设备和网络设备为了实现上述功能,其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
图4示出了上述实施例中所涉及的终端设备的一种可能的结构示意图。在图4中,终端设备的结构中包括处理器401和收发器402,所述设备的结构中还可以包括存储器403,所述存储器用于与处理器耦合,保存终端设备必要的程序指令和数据。图4所示的终端设备可以执行上述发送信息的方法,这里,为了避免赘述,省略其详细说明。
图5示出了上述实施例中所涉及的网络设备的一种可能的结构示意图。在图5中,终端设备的结构中包括处理器501。所述设备的结构中还可以包括和收发器502。所述设备的结构中还可以包括存储器503,所述存储器用于与处理器耦合,保存网络设备必要的程序指令和数据。图5所示的网络设备可以执行上述确定信息的方法,这里,为了避免赘述,省略其详细说明。
本申请实施例还提供一种调制编码方式的传输方法,包括:
步骤S601:终端设备接收下行控制信息,所述下行控制信息包含调制编码方式(Modulation coding scheme,MCS)的索引值,所述MCS的索引值为MCS表格中N个索引值中的至少一个,所述N个索引值中索引值X对应的调制方式为QPSK,对应的码率乘以1024小于或等于82。
步骤S602:终端设备根据所述MCS的索引值,确定用于数据传输的调制方式和编码码率。
可选地,所述方法还包括:索引值X为索引值1。
可选地,所述方法还包括:索引值X对应的码率乘以1024大于或等于43;和/或,效率值大于等于0.083579;和/或效率值小于或等于0.1592。
可选地,MCS表格中调制方式为索引值X的码率乘以1024包含以下数值中的至少 一个:
82,65,54,46,43。
可选地,MCS表格中调制方式为索引值X的码率乘以1024包含以下数值中的至少一个:
81,64,59,46,43。
可选地,MCS表格中索引值12到索引值15对应调制方式为16QAM。
可选地,MCS表格中N个索引值对应至少两种编码方式和一种无编码方式,具体包括:
索引值0不对应数据和编码方式,索引值X对应的编码方式为Polar,索引值Y对应的编码方式为LDPC,其中,索引值Y大于索引值X。
可选地,MCS表格对应至少两个BLER,具体包括:索引值X对应的第一BLER,索引值Y对应的第二BLER,其中,索引值Y大于索引值X。进一步地可选的,第二BLER小于第一BLER。例如第二BLER为10e-5,第一BLER为10e-2。
可选地,MCS表格中N个索引值包括编码方式为LDPC对应的索引值数量大于或等于编码方式为Polar对应的索引值数量。
可选地,MCS表格对应至少一个BLER,BLER为以下至少一个:10e-1,10e-2,10e-3,10e-4,10e-5,10e-6。
可选地,MCS表格中可以只包括索引,调制方式,码率。不包含编码方式(coding scheme)。
本申请的有益效果包括:由于现有LTE***仅支持10e-1的MCS表格,但5G NR中已经引入多个BLER,所以现有技术表格不适应与5G***。进一步的,考虑到URLLC的业务特征,需要引入更低码率的MCS的指示,因此本申请提供可以实现在不同BLER下的MCS指示信息,从而使得5G NR***支持多个BLER的MCS指示,从而实现支持URLLC业务的需求。
进一步的,根据表3~表12中,任一个表格中的项目可以自由组合。即所述CQI表格可以仅包含表3~表12表格中的部分项目或部分索引值。例如,所述CQI表格仅索引值为1的与表3~表12中的一个索引值为1的对应。
表3
Figure PCTCN2018114995-appb-000037
Figure PCTCN2018114995-appb-000038
表4
Figure PCTCN2018114995-appb-000039
Figure PCTCN2018114995-appb-000040
表5
Figure PCTCN2018114995-appb-000041
表6
Figure PCTCN2018114995-appb-000042
Figure PCTCN2018114995-appb-000043
表7
Figure PCTCN2018114995-appb-000044
Figure PCTCN2018114995-appb-000045
表8
Figure PCTCN2018114995-appb-000046
表9
Figure PCTCN2018114995-appb-000047
Figure PCTCN2018114995-appb-000048
表10
Figure PCTCN2018114995-appb-000049
Figure PCTCN2018114995-appb-000050
表11
Figure PCTCN2018114995-appb-000051
表12
Figure PCTCN2018114995-appb-000052
进一步,表3~表12中的项目可以互相组合。即可以通过表3-表12中任意两个表中的部分元素组成一个所述MCS表格。例如第一组中10e-1的值和10e-5的值组成一个所述CQI表格,这个新表格多一列指示,指示这个MCS是对应的误块率BLER,例如可以通过上述方式组成表13和/或表14。需要说明的是,本发明的表格中的元素为示例性的,无需全部存在。例如仅包含其中一个或部分行。
表13
Figure PCTCN2018114995-appb-000053
Figure PCTCN2018114995-appb-000054
表14
Figure PCTCN2018114995-appb-000055
Figure PCTCN2018114995-appb-000056
图4和图5所示的终端设备和网络设备中的各个器件用于执行上述方法,因此,该网络设备和终端设备的有益效果可以参见上述方法的有益效果,在此不再赘述。
本申请实施例还提供了一种计算机可读存储介质,包括指令,当其在计算机上运行时,使得计算机执行上述网络设备或终端设备执行的确定下行控制信息的方法。
本申请实施例还提供了一种通信***,所述通信***包括图4所示的终端设备和图5所示的网络设备,所述终端设备和所述网络设备通信以执行上述发送信息和确定信息的方法。
应注意,本申请实施例上述方法实施例可以应用于处理器中,或者由处理器实现。处理器可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现成可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、和分立硬件组件中的一个或多个。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器,处理器读取存储器中的信息,结合其硬件完成上述方法的步骤。
可以理解,本申请实施例中的存储器可以是易失性存储器或非易失性存储器,或可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDR SDRAM)、增强型同步动 态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)。应注意,本文描述的***和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解,本文中术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。
应理解,在本申请实施例的各种实施例中,上述各过程的序号的大小并不意味着执行顺序的先后,各过程的执行顺序应以其功能和内在逻辑确定,而不应对本申请实施例的实施过程构成任何限定。
应理解,说明书通篇中提到的“一个实施例”、“一实施例”或“本申请实施例”意味着与实施例有关的特定特征、结构或特性包括在本申请的至少一个实施例中。因此,在整个说明书各处出现的“在一个实施例中”、“在一实施例中”或“本申请实施例中”未必一定指相同的实施例。此外,这些特定的特征、结构或特性可以任意适合的方式结合在一个或多个实施例中。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请实施例的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的***、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的***、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个***,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请实施例各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请实施例的技术方案本质上 或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请实施例各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本申请实施例的具体实施方式,但本申请实施例的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请实施例揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请实施例的保护范围之内。

Claims (73)

  1. 一种终端设备执行的下行控制信息确定方法,其特征在于,包括:
    在公共搜索空间接收下行控制信息;和/或
    在终端设备的特定搜索空间接收所述下行控制信息;
    其中,所述下行控制信息包括至少一个信息域。
    确定所述至少一个信息域指示的信息。
  2. 根据权利要求1所述的方法,其特征在于,
    所述至少一个信息域包括第一信息域,所述第一信息域指示所述下行控制信息的格式,所述下行控制信息的格式为多种格式中的一种格式,所述多种格式对应同一个比特数。
  3. 根据权利要求2所述的方法,其特征在于,
    所述第一信息域还指示所述下行控制信息调度的数据传输的传输方向。
  4. 根据权利要求1-3中任一项权利要求的方法,其特征在于,
    当在所述终端设备的特定搜索空间接收所述下行控制信息时:所述至少一个信息域包括第二信息域,所述方法还包括:接收高层信令;所述高层信令指示所述下行控制信息包括所述第二信息域,和/或,所述高层信令指示所述第二信息域的比特数;
    其中,所述第二信息域指示所述下行控制信息调度的数据传输所对应的载波,或者,所述第二信息域指示预配置的资源集合内未占用的时频资源是否可以被所述下行控制信息调度的数据传输占用。
  5. 根据权利要求1-4中任一项权利要求的方法,其特征在于,
    所述至少一个信息域包括第三信息域,所述第三信息域指示所述下行控制信息调度的数据传输所占用的频域资源位置;
    当在终端设备的特定搜索空间接收所述下行控制信息时:
    所述下行控制信息的所述第三信息域对应指示的频域资源位置在第三带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第三带宽部分内的物理资源块0。
  6. 根据权利要求5所述的方法,其特征在于,所述第三带宽部分为建立无线资源控制RRC连接后激活的带宽部分,所述第三带宽部分包括上行带宽部分和/或下行带宽部分。
  7. 根据权利要求1-6中任一项权利要求的方法,其特征在于,
    当在公共搜索空间接收所述下行控制信息时:
    所述至少一个信息域包括第四信息域,所述第四信息域包括
    Figure PCTCN2018114995-appb-100001
    比特,所述
    Figure PCTCN2018114995-appb-100002
    比特的至少一个状态值对应于第一表格中的行,所述第一表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述N为正整数;
    其中,所述第四信息域指示为所述下行控制信息调度的数据传输所占用的时域资源位置。
  8. 根据权利要求1-7中任一项权利要求的方法,其特征在于,
    当在终端设备的特定搜索空间接收所述下行控制信息时:
    所述至少一个信息域包括第四信息域;所述第四信息域包括
    Figure PCTCN2018114995-appb-100003
    比特,所述
    Figure PCTCN2018114995-appb-100004
    比特的至少一个状态值对应于第二表格中的行,所述第二表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述M为正整数;
    其中,所述第四信息域指示为所述下行控制信息调度的数据传输所占用的时域资源位置。
  9. 根据权利要求7所述的方法,其特征在于,
    所述第一表格由第三表格中的N行构成,其中,所述第三表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第三表格为协议规定的。
  10. 根据权利要求8所述的方法,其特征在于,
    所述第二表格由第四表格中的M行构成,其中,所述第四表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第四表格是通过高层信令配置的。
  11. 根据权利要求1-10中任一项权利要求的方法,其特征在于,
    当在公共搜索空间接收所述下行控制信息时:
    所述至少一个信息域不承载第五信息域指示的信息,所述下行控制信息对应预设的K值,所述预设的K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔;或者,所述至少一个信息域包括所述第五信息域,所述第五信息域包括
    Figure PCTCN2018114995-appb-100005
    比特,所述
    Figure PCTCN2018114995-appb-100006
    比特的至少一个状态值对应P个K值中的一个,所述P个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述P为正整数;
    和/或,
    对于在终端设备的特定搜索空间接收所述下行控制信息的情况:
    所述至少一个信息域包括所述第五信息域,所述方法还包括:接收配置信息,所述配置信息指示K值的集合,所述K值的结合包括Q个K值,所述第五信息域包括
    Figure PCTCN2018114995-appb-100007
    比特,所述
    Figure PCTCN2018114995-appb-100008
    比特的至少一个状态值对应所述Q个K值中的一个,所述Q个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述Q为正整数。
  12. 根据权利要求1-11中任一项权利要求的方法,其特征在于,
    当在公共搜索空间接收所述下行控制信息的情况:所述至少一个信息域不承载第六信息域指示的信息;和/或
    当在终端设备的特定搜索空间接收所述下行控制信息时:所述至少一个信息域包括所述第六信息域,所述第六信息域大于或等于1比特;
    其中,所述第六信息域指示所述终端设备指示所述终端设备是否需要上报非周期信道质量信息(CQI),和/或,所述第六信息域指示所述终端设备是否进行信道探测参考信号(SRS)测量。
  13. 根据权利要求1-12中任一项权利要求的方法,其特征在于,
    当在公共搜索空间接收所述下行控制信息时:
    所述至少一个信息域包括第七信息域,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应X个冗余版本中的一个,所述X为正整数;
    和/或,
    当在终端设备的特定搜索空间接收所述下行控制信息时:
    所述至少一个信息域不承载第所述第七信息域指示的信息,所述下行控制信息调度的数据传输采用预设的冗余版本;或者,所述至少一个信息域包括所述第七信息域,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应L个冗余版本中的一个,所述L为正整数;
    其中,所述第七信息域用于指示所述下行控制信息调度的数据传输所采用的冗余版本。
  14. 根据权利要求1-13中任一项权利要求的方法,其特征在于,
    当在公共搜索空间接收所述下行控制信息时:
    所述至少一个信息域不承载第八信息域指示的信息;或者,所述至少一个信息域包括所述第八信息域,所述第八信息域大于或等于1比特,所述大于或等于1比特用于指示终端设备是否进行信道状态测量的上报,所述信道状态测量的方式包括基于距离最近的同步数据块的参考信号进行测量,基于***信息所在的控制资源集的及参考信号进行测量,以及基于广播信道的参考信号进行测量中的一种;
    和/或
    当在终端设备的特定搜索空间接收所述下行控制信息时:
    所述至少一个信息域包括所述第八信息域和第九信息域,所述第八信息域大于或等于1比特,所述大于或等于1比特用于指示终端设备是否进行信道状态测量的上报,所述第九信息域大于或等于1比特,所述第九信息域指示V个用于进行信道状态测量的参考信号中的一个,所述V个用于进行信道状态测量的参考信号是高层信令配置的,所述V为正整数。
  15. 根据权利要求1-14中任一项权利要求的方法,其特征在于,
    所述至少一个信息域包括第十信息域,所述第十信息域指示为所述下行控制信息调度的数据传输所配置的上行控制信道资源;
    当在公共搜索空间接收所述下行控制信息时:
    所述第十信息域包括
    Figure PCTCN2018114995-appb-100009
    比特,所述
    Figure PCTCN2018114995-appb-100010
    比特的至少一个状态值对应所述B个上行控制信道资源中的一个,所述B个上行控制信道资源对应于第五表格中的一个项目的索引,所述一个项目对应一个上行控制信道资源,所述第五表格是***信息配置的,所述B为正整数;
    和/或
    当在终端设备的特定搜索空间接收所述下行控制信息时:
    所述第十信息域包括
    Figure PCTCN2018114995-appb-100011
    比特,所述
    Figure PCTCN2018114995-appb-100012
    比特的至少一个状态值对应所述A个上行控制信道资源中的一个,所述A个上行控制信道资源对应于第六表格中的一个 项目的索引,所述一个项目对应一个上行控制信道资源,所述第六表格是用户特定的高层信令配置的。
  16. 根据权利要求1-15中任一项权利要求的方法,其特征在于,
    当在公共搜索空间接收所述下行控制信息时:
    所述至少一个信息域不承载第十一信息域指示的信息,所述第十一信息域指示为所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准同定位(quasi-co-located)关系假设;所述下行控制信息指示所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集的准同定位关系确定下行控制信息调度的数据传输的准同定位关系假设;
    和/或,
    当在终端设备的特定搜索空间接收所述下行控制信息时:
    所述至少一个信息域不承载第十一信息域指示的信息;所述第十一信息域指示为所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准同定位(quasi-co-located)关系假设;
    所述下行控制信息指示所述终端设备根据预定义准同定位关系假设,确定所述下行控制信息调度的数据传输的准同定位关系;或者,所述下行控制信息指示所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集的准同定位关系确定下行控制信息调度的数据传输的准同定位关系假设。
  17. 根据权利要求1-16中任一项所述的方法,其特征在于,
    所述至少一个信息域指示的信息包括在下行数据信道调度的数据接收或发送过程中使用的信息。
  18. 根据权利要求1-17中任一项所述的方法,其特征在于,
    所述至少一个信息域指示的信息包括如下一种或多种信息:下行控制信道调度的数据传输采用的载波信息,下行控制信道调度的数据所占用的时频资源信息,下行控制信道调度的数据采用的调制编码方案,下行控制信道调度的数据采用的冗余版本。
  19. 一种网络设备执行的下行控制信息确定方法,其特征在于,包括:
    确定下行控制信息,所述下行控制信息包括至少一个信息域;
    在公共搜索空间发送所述下行控制信息;和/或
    在终端设备的特定搜索空间发送所述下行控制信息。
  20. 根据权利要求19所述的方法,其特征在于,
    所述至少一个信息域包括第一信息域,所述第一信息域指示所述下行控制信息的格式,所述下行控制信息的格式为多种格式中的一种格式,所述多种格式对应同一个比特数。
  21. 根据权利要求20所述的方法,其特征在于,
    所述第一信息域还指示所述下行控制信息调度的数据传输的传输方向。
  22. 根据权利要求19-21中任一项权利要求的方法,其特征在于,
    当在终端设备的特定搜索空间发送所述下行控制信息时:所述至少一个信息域包括第二信息域,所述方法还包括:发送高层信令;所述高层信令指示所述下行控制信息包括所述第二信息域,和/或,所述高层信令指示所述第二信息域的比特数;
    其中,所述第二信息域指示为所述下行控制信息调度的数据传输所对应的载波,或者,所述第二信息域指示预配置的资源集合内未占用的时频资源是否可以被所述下行控制信息调度的数据传输占用。
  23. 根据权利要求19-22中任一项权利要求的方法,其特征在于,
    所述至少一个信息域包括第三信息域,所述第三信息域指示为所述下行控制信息调度的数据传输所占用的频域资源位置;
    当在终端设备的特定搜索空间发送所述下行控制信息时:
    所述下行控制信息的所述第三信息域对应指示的频域资源位置在第三带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第三带宽部分内的物理资源块0。
  24. 根据权利要求23所述的方法,其特征在于,所述第三带宽部分为建立无线资源控制RRC连接后激活的带宽部分,所述第三带宽部分包括上行带宽部分和/或下行带宽部分。
  25. 根据权利要求19-24中任一项权利要求的方法,其特征在于,
    当在公共搜索空间发送所述下行控制信息时:
    所述至少一个信息域包括第四信息域,所述第四信息域包括
    Figure PCTCN2018114995-appb-100013
    比特,所述
    Figure PCTCN2018114995-appb-100014
    比特的至少一个状态值对应于第一表格中的行,所述第一表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述N为正整数;
    其中,所述第四信息域指示为所述下行控制信息调度的数据传输所占用的时域资源位置。
  26. 根据权利要求17-25中任一项权利要求的方法,其特征在于,
    当在终端设备的特定搜索空间发送所述下行控制信息时:
    所述至少一个信息域包括第四信息域;所述第四信息域包括
    Figure PCTCN2018114995-appb-100015
    比特,所述
    Figure PCTCN2018114995-appb-100016
    比特的至少一个状态值对应于第二表格中的行,所述第二表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述M为正整数;
    其中,所述第四信息域指示为所述下行控制信息调度的数据传输所占用的时域资源位置。
  27. 根据权利要求25所述的方法,其特征在于,
    所述第一表格由第三表格中的N行构成,其中,所述第三表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第三表格为协议规定的。
  28. 根据权利要求26所述的方法,其特征在于,
    所述第二表格由第四表格中的M行构成,其中,所述第四表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第四表格是通过高层信令配置的。
  29. 根据权利要求19-28中任一项权利要求的方法,其特征在于,
    当在公共搜索空间发送所述下行控制信息时:
    所述至少一个信息域不承载第五信息域指示的信息,所述下行控制信息对应预设的K值,所述预设的K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔;或者,所述至少一个信息域包括所述第五信息域,所述第五信息域包括
    Figure PCTCN2018114995-appb-100017
    比特,所述
    Figure PCTCN2018114995-appb-100018
    比特的至少一个状态值对应P个K值中的一个,所述P个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述P为正整数;
    和/或,
    当在终端设备的特定搜索空间发送所述下行控制信息时:
    所述至少一个信息域包括所述第五信息域,所述方法还包括:发送配置信息,所述配置信息指示K值的集合,所述K值的结合包括Q个K值,所述第五信息域包括
    Figure PCTCN2018114995-appb-100019
    比特,所述
    Figure PCTCN2018114995-appb-100020
    比特的至少一个状态值对应所述Q个K值中的一个,所述Q个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述Q为正整数。
  30. 根据权利要求19-29中任一项权利要求的方法,其特征在于,
    当在公共搜索空间发送所述下行控制信息时:所述至少一个信息域不承载第六信息域指示的信息;和/或
    当在终端设备的特定搜索空间发送所述下行控制信息的情况:所述至少一个信息域包括所述第六信息域,所述第六信息域大于或等于1比特;
    其中,所述第六信息域指示所述终端设备指示所述终端设备是否需要上报非周期信道质量信息(CQI),和/或,所述第六信息域指示所述终端设备是否进行信道探测参考信号(SRS)测量。
  31. 根据权利要求19-30中任一项权利要求的方法,其特征在于,
    当在公共搜索空间发送所述下行控制信息时:
    所述至少一个信息域包括第七信息域,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应X个冗余版本中的一个,所述X为正整数;
    和/或
    当在终端设备的特定搜索空间发送所述下行控制信息时:
    所述至少一个信息域不承载第所述第七信息域指示的信息,所述下行控制信息调度的数据传输采用预设的冗余版本;或者,所述至少一个信息域包括所述第七信息域,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应L个冗余版本中的一个,所述L为正整数;
    其中,所述第七信息域用于指示所述下行控制信息调度的数据传输所采用的冗余版本。
  32. 根据权利要求19-31中任一项权利要求的方法,其特征在于,
    当在公共搜索空间发送所述下行控制信息时:
    所述至少一个信息域不承载第八信息域指示的信息;或者,所述至少一个信息域 包括所述第八信息域,所述第八信息域大于或等于1比特,所述大于或等于1比特用于指示终端设备是否进行信道状态测量的上报,所述信道状态测量的方式包括基于距离最近的同步数据块的参考信号进行测量,基于***信息所在的控制资源集的及参考信号进行测量,以及基于广播信道的参考信号进行测量中的一种;
    和/或
    当在终端设备的特定搜索空间发送所述下行控制信息时:
    所述至少一个信息域包括所述第八信息域和第九信息域,所述第八信息域大于或等于1比特,所述大于或等于1比特用于指示终端设备是否进行信道状态测量的上报,所述第九信息域大于或等于1比特,所述第九信息域指示V个用于进行信道状态测量的参考信号中的一个,所述V个用于进行信道状态测量的参考信号是高层信令配置的,所述V为正整数。
  33. 根据权利要求19-32中任一项权利要求的方法,其特征在于,
    所述至少一个信息域包括第十信息域,所述第十信息域指示为所述下行控制信息调度的数据传输所配置的上行控制信道资源;
    当在公共搜索空间发送所述下行控制信息时:
    所述第十信息域包括
    Figure PCTCN2018114995-appb-100021
    比特,所述
    Figure PCTCN2018114995-appb-100022
    比特的至少一个状态值对应所述B个上行控制信道资源中的一个,所述B个上行控制信道资源对应于第五表格中的一个项目的索引,所述一个项目对应一个上行控制信道资源,所述第五表格是***信息配置的,所述B为正整数;
    和/或
    当在终端设备的特定搜索空间发送所述下行控制信息时:
    所述第十信息域包括
    Figure PCTCN2018114995-appb-100023
    比特,所述
    Figure PCTCN2018114995-appb-100024
    比特的至少一个状态值对应所述A个上行控制信道资源中的一个,所述A个上行控制信道资源对应于第六表格中的一个项目的索引,所述一个项目对应一个上行控制信道资源,所述第六表格是用户特定的高层信令配置的。
  34. 根据权利要求19-33中任一项权利要求的方法,其特征在于,
    当在公共搜索空间发送所述下行控制信息时:
    所述至少一个信息域不承载第十一信息域指示的信息;所述第十一信息域指示为所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准同定位(quasi-co-located)关系假设;所述下行控制信息指示所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集的准同定位关系确定下行控制信息调度的数据传输的准同定位关系假设;
    和/或
    当在终端设备的特定搜索空间发送所述下行控制信息时:所述至少一个信息域不承载第十一信息域指示的信息;所述第十一信息域指示为所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准同定位(quasi-co-located)关系假设;
    所述下行控制信息指示所述终端设备根据预定义准同定位关系假设,确定所述下行控制信息调度的数据传输的准同定位关系;或者,所述下行控制信息指示所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集,的准同定位关系确定下行控制信息调度的数据传输的准同定位关系假设。
  35. 一种终端设备,所述终端设备包括处理器和收发器,所述处理器和所述收发器通信连接,其特征在于:
    所述收发器,用于在公共搜索空间接收下行控制信息;和/或
    用于在终端设备的特定搜索空间接收所述下行控制信息;
    其中,所述下行控制信息包括至少一个信息域。
    所述处理器,用于确定所述至少一个信息域指示的信息。
  36. 根据权利要求35所述的终端设备,其特征在于,
    所述至少一个信息域包括第一信息域,所述第一信息域指示所述下行控制信息的格式,所述下行控制信息的格式为多种格式中的一种格式,所述多种格式对应同一个比特数。
  37. 根据权利要求36所述的终端设备,其特征在于,
    所述第一信息域还指示所述下行控制信息调度的数据传输的传输方向。
  38. 根据权利要求35-37中任一项权利要求的终端设备,其特征在于,
    当所述收发器用于在所述终端设备的特定搜索空间接收所述下行控制信息时:所述至少一个信息域包括所述第二信息域,所述收发器还用于:接收高层信令;所述高层信令指示所述下行控制信息包括所述第二信息域,和/或,所述高层信令指示所述第二信息域的比特数;
    其中,所述第二信息域指示所述下行控制信息调度的数据传输所对应的载波,或者,所述第二信息域指示预配置的资源集合内未占用的时频资源是否可以被所述下行控制信息调度的数据传输占用。
  39. 根据权利要求35-38中任一项权利要求的终端设备,其特征在于,
    所述至少一个信息域包括第三信息域,所述第三信息域指示所述下行控制信息调度的数据传输所占用的频域资源位置;
    当所述收发器用于在终端设备的特定搜索空间接收所述下行控制信息时:
    所述下行控制信息的所述第三信息域对应指示的频域资源位置在第三带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第三带宽部分内的物理资源块0。
  40. 根据权利要求39所述的终端设备,其特征在于,
    所述第三带宽部分为建立无线资源控制RRC连接后激活的带宽部分,所述第三带宽部分包括上行带宽部分和/或下行带宽部分。
  41. 根据权利要求35-40中任一项权利要求的终端设备,其特征在于,
    当所述收发器用于在公共搜索空间接收所述下行控制信息时:
    所述至少一个信息域包括第四信息域,所述第四信息域包括
    Figure PCTCN2018114995-appb-100025
    比特,所述
    Figure PCTCN2018114995-appb-100026
    比特的至少一个状态值对应于第一表格中的行,所述第一表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述N为正整数;
    其中,所述第四信息域指示为所述下行控制信息调度的数据传输所占用的时域资源位置。
  42. 根据权利要求35-41中任一项权利要求的终端设备,其特征在于,
    当所述收发器用于在终端设备的特定搜索空间接收所述下行控制信息时:
    所述至少一个信息域包括第四信息域;所述第四信息域包括
    Figure PCTCN2018114995-appb-100027
    比特,所述
    Figure PCTCN2018114995-appb-100028
    比特的至少一个状态值对应于第二表格中的行,所述第二表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述M为正整数;
    其中,所述第四信息域指示为所述下行控制信息调度的数据传输所占用的时域资源位置。
  43. 根据权利要求41所述的终端设备,其特征在于,
    所述第一表格由第三表格中的N行构成,其中,所述第三表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第三表格为协议规定的。
  44. 根据权利要求42所述的终端设备,其特征在于,
    所述第二表格由第四表格中的M行构成,其中,所述第四表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第四表格是通过高层信令配置的。
  45. 根据权利要求35-44中任一项权利要求的终端设备,其特征在于,
    当所述收发器用于在公共搜索空间接收所述下行控制信息时:
    所述至少一个信息域不承载第五信息域指示的信息,所述下行控制信息对应预设的K值,所述预设的K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔;或者,所述至少一个信息域包括所述第五信息域,所述第五信息域包括
    Figure PCTCN2018114995-appb-100029
    比特,所述
    Figure PCTCN2018114995-appb-100030
    比特的至少一个状态值对应P个K值中的一个,所述P个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述P为正整数;
    和/或,
    当所述收发器用于在终端设备的特定搜索空间接收所述下行控制信息时:
    所述至少一个信息域包括所述第五信息域,所述收发器还用于:接收配置信息,所述配置信息指示K值的集合,所述K值的结合包括Q个K值,所述第五信息域包括
    Figure PCTCN2018114995-appb-100031
    比特,所述
    Figure PCTCN2018114995-appb-100032
    比特的至少一个状态值对应所述Q个K值中的一个,所述Q个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述Q为正整数。
  46. 根据权利要求35-45中任一项权利要求的终端设备,其特征在于,
    当所述收发器用于在公共搜索空间接收所述下行控制信息的情况:所述至少一个信息域不承载第六信息域指示的信息;和/或
    当所述收发器用于在终端设备的特定搜索空间接收所述下行控制信息时:所述至 少一个信息域包括所述第六信息域,所述第六信息域大于或等于1比特;
    其中,所述第六信息域指示所述终端设备指示所述终端设备是否需要上报非周期信道质量信息(CQI),和/或,所述第六信息域指示所述终端设备是否进行信道探测参考信号(SRS)测量。
  47. 根据权利要求35-46中任一项权利要求的终端设备,其特征在于,
    当所述收发器用于在公共搜索空间接收所述下行控制信息时:
    所述至少一个信息域包括第七信息域,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应X个冗余版本中的一个,所述X为正整数;
    和/或,
    当所述收发器用于在终端设备的特定搜索空间接收所述下行控制信息时:
    所述至少一个信息域不承载第所述第七信息域指示的信息,所述下行控制信息调度的数据传输采用预设的冗余版本;或者,所述至少一个信息域包括所述第七信息域,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应L个冗余版本中的一个,所述L为正整数;
    其中,所述第七信息域用于指示所述下行控制信息调度的数据传输所采用的冗余版本。
  48. 根据权利要求35-47中任一项权利要求的终端设备,其特征在于,
    当所述收发器用于在公共搜索空间接收所述下行控制信息时:
    所述至少一个信息域不承载第八信息域指示的信息;或者,所述至少一个信息域包括所述第八信息域,所述第八信息域大于或等于1比特,所述大于或等于1比特用于指示终端设备是否进行信道状态测量的上报,所述信道状态测量的方式包括基于距离最近的同步数据块的参考信号进行测量,基于***信息所在的控制资源集的及参考信号进行测量,以及基于广播信道的参考信号进行测量中的一种;
    和/或
    当所述收发器用于在终端设备的特定搜索空间接收所述下行控制信息时:
    所述至少一个信息域包括所述第八信息域和第九信息域,所述第八信息域大于或等于1比特,所述大于或等于1比特用于指示终端设备是否进行信道状态测量的上报,所述第九信息域大于或等于1比特,所述第九信息域指示V个用于进行信道状态测量的参考信号中的一个,所述V个用于进行信道状态测量的参考信号是高层信令配置的,所述V为正整数。
  49. 根据权利要求35-48中任一项权利要求的终端设备,其特征在于,
    所述至少一个信息域包括第十信息域,所述第十信息域指示为所述下行控制信息调度的数据传输所配置的上行控制信道资源;
    当所述收发器用于在公共搜索空间接收所述下行控制信息时:
    所述第十信息域包括
    Figure PCTCN2018114995-appb-100033
    比特,所述
    Figure PCTCN2018114995-appb-100034
    比特的至少一个状态值对应所述B个上行控制信道资源中的一个,所述B个上行控制信道资源对应于第五表格中的一个项目的索引,所述一个项目对应一个上行控制信道资源,所述第五表格是***信息配 置的,所述B为正整数;
    和/或
    当所述收发器用于在终端设备的特定搜索空间接收所述下行控制信息时:
    所述第十信息域包括
    Figure PCTCN2018114995-appb-100035
    比特,所述
    Figure PCTCN2018114995-appb-100036
    比特的至少一个状态值对应所述A个上行控制信道资源中的一个,所述A个上行控制信道资源对应于第六表格中的一个项目的索引,所述一个项目对应一个上行控制信道资源,所述第六表格是用户特定的高层信令配置的。
  50. 根据权利要求35-49中任一项权利要求的终端设备,其特征在于,
    当所述收发器在公共搜索空间接收所述下行控制信息时:
    所述至少一个信息域不承载第十一信息域指示的信息,所述第十一信息域指示为所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准同定位(quasi-co-located)关系假设;所述下行控制信息指示所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集的准同定位关系确定下行控制信息调度的数据传输的准同定位关系假设;
    和/或,
    当所述收发器用于在终端设备的特定搜索空间接收所述下行控制信息时:
    所述至少一个信息域不承载第十一信息域指示的信息;所述第十一信息域指示为所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准同定位(quasi-co-located)关系假设;
    所述下行控制信息指示所述终端设备根据预定义准同定位关系假设,确定所述下行控制信息调度的数据传输的准同定位关系;或者,所述下行控制信息指示所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集的准同定位关系确定下行控制信息调度的数据传输的准同定位关系假设。
  51. 根据权利要求35-50任一项所述的终端设备,其特征在于,
    所述至少一个信息域指示的信息包括在下行数据信道调度的数据接收或发送过程中使用的信息。
  52. 根据权利要求35-51任一项所述的终端设备,其特征在于,
    所述至少一个信息域指示的信息包括如下一种或多种信息:下行控制信道调度的数据传输采用的载波信息,下行控制信道调度的数据所占用的时频资源信息,下行控制信道调度的数据采用的调制编码方案,下行控制信道调度的数据采用的冗余版本。
  53. 一种网络设备,所述网络设备包括处理器和收发器,所述处理器和所述收发器通信连接,其特征在于:
    所述处理器用于确定下行控制信息,所述下行控制信息包括至少一个信息域;
    所述收发器用于在公共搜索空间发送所述下行控制信息;和/或
    用于在终端设备的特定搜索空间发送所述下行控制信息。
  54. 根据权利要求53所述的网络设备,其特征在于,
    所述至少一个信息域包括第一信息域,所述第一信息域指示所述下行控制信息的格式,所述下行控制信息的格式为多种格式中的一种格式,所述多种格式对应同一个比特数。
  55. 根据权利要求54所述的网络设备,其特征在于,
    所述第一信息域还指示所述下行控制信息调度的数据传输的传输方向。
  56. 根据权利要求53-55中任一项权利要求的网络设备,其特征在于,
    当所述收发器用于在终端设备的特定搜索空间发送所述下行控制信息时:所述至少一个信息域包括第二信息域,所述收发器还用于:发送高层信令;所述高层信令指示所述下行控制信息包括所述第二信息域,和/或,所述高层信令指示所述第二信息域的比特数;
    其中,所述第二信息域指示为所述下行控制信息调度的数据传输所对应的载波,或者,所述第二信息域指示预配置的资源集合内未占用的时频资源是否可以被所述下行控制信息调度的数据传输占用。
  57. 根据权利要求53-56中任一项权利要求的网络设备,其特征在于,
    所述至少一个信息域包括第三信息域,所述第三信息域指示为所述下行控制信息调度的数据传输所占用的频域资源位置;
    当所述收发器用于在终端设备的特定搜索空间发送所述下行控制信息时:
    所述下行控制信息的所述第三信息域对应指示的频域资源位置在为第三带宽部分内,且第三信息域指示的频域资源位置的参考物理资源块0位置为第三带宽部分内的物理资源块0。
  58. 根据权利要求57所述的网络设备,其特征在于,
    所述第三带宽部分为建立无线资源控制RRC连接后激活的带宽部分,所述第三带宽部分包括上行带宽部分和/或下行带宽部分。
  59. 根据权利要求53-58中任一项权利要求的网络设备,其特征在于,
    当所述收发器用于在公共搜索空间发送所述下行控制信息时:
    所述至少一个信息域包括第四信息域,所述第四信息域包括
    Figure PCTCN2018114995-appb-100037
    比特,所述
    Figure PCTCN2018114995-appb-100038
    比特的至少一个状态值对应于第一表格中的行,所述第一表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述N为正整数;
    其中,所述第四信息域指示为所述下行控制信息调度的数据传输所占用的时域资源位置。
  60. 根据权利要求53-59中任一项权利要求的网络设备,其特征在于,
    当所述收发器用于在终端设备的特定搜索空间发送所述下行控制信息时:
    所述至少一个信息域包括第四信息域;所述第四信息域包括
    Figure PCTCN2018114995-appb-100039
    比特,所述
    Figure PCTCN2018114995-appb-100040
    比特的至少一个状态值对应于第二表格中的行,所述第二表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述M为正整数;
    其中,所述第四信息域指示为所述下行控制信息调度的数据传输所占用的时域资源位置。
  61. 根据权利要求59所述的网络设备,其特征在于,
    所述第一表格由第三表格中的N行构成,其中,所述第三表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第三表格为协议规定的,或者,所述第三表格是通过高层信令配置的。
  62. 根据权利要求60所述的网络设备,其特征在于,
    所述第二表格由第四表格中的M行构成,其中,所述第四表格中的至少一行指示起始符号,符号长度,终止符号中的至少一个,所述第四表格为协议规定的,或者,所述第四表格是通过高层信令配置的。
  63. 根据权利要求53-62中任一项权利要求的网络设备,其特征在于,
    当所述收发器用于在公共搜索空间发送所述下行控制信息时:
    所述至少一个信息域不承载第五信息域指示的信息,所述下行控制信息对应预设的K值,所述预设的K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔;或者,所述至少一个信息域包括所述第五信息域,所述第五信息域包括
    Figure PCTCN2018114995-appb-100041
    比特,所述
    Figure PCTCN2018114995-appb-100042
    比特的至少一个状态值对应P个K值中的一个,所述P个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述P为正整数;
    和/或,
    当所述收发器用于在终端设备的特定搜索空间发送所述下行控制信息时:
    所述至少一个信息域包括所述第五信息域,所述收发器还用于:发送配置信息,所述配置信息指示K值的集合,所述K值的结合包括Q个K值,所述第五信息域包括
    Figure PCTCN2018114995-appb-100043
    比特,所述
    Figure PCTCN2018114995-appb-100044
    比特的至少一个状态值对应所述Q个K值中的一个,所述Q个K值指示所述下行控制信息调度的数据和所述数据对应的HARQ反馈之间的时间间隔,所述Q为正整数。
  64. 根据权利要求53-63中任一项权利要求的网络设备,其特征在于,
    当所述收发器用于在公共搜索空间发送所述下行控制信息时:所述至少一个信息域不承载第六信息域指示的信息;和/或
    当所述收发器用于在终端设备的特定搜索空间发送所述下行控制信息的情况:所述至少一个信息域包括所述第六信息域,所述第六信息域大于或等于1比特;
    其中,所述第六信息域指示所述终端设备指示所述终端设备是否需要上报非周期信道质量信息(CQI),和/或,所述第六信息域指示所述终端设备是否进行信道探测参考信号(SRS)测量。
  65. 根据权利要求53-64中任一项权利要求的网络设备,其特征在于,
    当所述收发器用于在公共搜索空间发送所述下行控制信息时:
    所述至少一个信息域包括第七信息域,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应X个冗余版本中的一个,所述X为正整数;
    和/或
    当所述收发器用于在终端设备的特定搜索空间发送所述下行控制信息时:
    所述至少一个信息域不承载第所述第七信息域指示的信息,所述下行控制信息调度的数据传输采用预设的冗余版本;或者,所述至少一个信息域包括所述第七信息域,所述第七信息域大于或等于1比特,所述第七信息域的状态值对应L个冗余版本中的一个,所述L为正整数;
    其中,所述第七信息域用于指示所述下行控制信息调度的数据传输所采用的冗余版本。
  66. 根据权利要求53-65中任一项权利要求的网络设备,其特征在于,
    当所述收发器用于在公共搜索空间发送所述下行控制信息时:
    所述至少一个信息域不承载第八信息域指示的信息;或者,所述至少一个信息域包括所述第八信息域,所述第八信息域大于或等于1比特,所述大于或等于1比特用于指示终端设备是否进行信道状态测量的上报,所述信道状态测量的方式包括基于距离最近的同步数据块的参考信号进行测量,基于***信息所在的控制资源集的及参考信号进行测量,以及基于广播信道的参考信号进行测量中的一种;
    和/或
    当所述收发器用于在终端设备的特定搜索空间发送所述下行控制信息时:
    所述至少一个信息域包括所述第八信息域和第九信息域,所述第八信息域大于或等于1比特,所述大于或等于1比特用于指示终端设备是否进行信道状态测量的上报,所述第九信息域大于或等于1比特,所述第九信息域指示V个用于进行信道状态测量的参考信号中的一个,所述V个用于进行信道状态测量的参考信号是高层信令配置的,所述V为正整数。
  67. 根据权利要求53-66中任一项权利要求的网络设备,其特征在于,
    所述至少一个信息域包括第十信息域,所述第十信息域指示为所述下行控制信息调度的数据传输所配置的上行控制信道资源;
    当所述收发器用于在公共搜索空间发送所述下行控制信息时:
    所述第十信息域包括
    Figure PCTCN2018114995-appb-100045
    比特,所述
    Figure PCTCN2018114995-appb-100046
    比特的至少一个状态值对应所述B个上行控制信道资源中的一个,所述B个上行控制信道资源对应于第五表格中的一个项目的索引,所述一个项目对应一个上行控制信道资源,所述第五表格是***信息配置的,所述B为正整数;
    和/或
    当所述收发器用于在终端设备的特定搜索空间发送所述下行控制信息时:
    所述第十信息域包括
    Figure PCTCN2018114995-appb-100047
    比特,所述
    Figure PCTCN2018114995-appb-100048
    比特的至少一个状态值对应所述A个上行控制信道资源中的一个,所述A个上行控制信道资源对应于第六表格中的一个项目的索引,所述一个项目对应一个上行控制信道资源,所述第六表格是用户特定的高层信令配置的。
  68. 根据权利要求53-67中任一项权利要求的网络设备,其特征在于,
    当所述收发器用于在公共搜索空间发送所述下行控制信息时:
    所述至少一个信息域不承载第十一信息域指示的信息;所述第十一信息域指示为 所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准同定位(quasi-co-located)关系假设;所述下行控制信息指示所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集的准同定位关系确定下行控制信息调度的数据传输的准同定位关系假设;
    和/或
    当所述收发器用于在终端设备的特定搜索空间发送所述下行控制信息时:所述至少一个信息域不承载第十一信息域指示的信息;所述第十一信息域指示为所述下行控制信息调度的数据传输采用的解调参考信号端口与下行参考信号端口之间的准同定位(quasi-co-located)关系假设;
    所述下行控制信息指示所述终端设备根据预定义准同定位关系假设,确定所述下行控制信息调度的数据传输的准同定位关系;或者,所述下行控制信息指示所述终端设备根据所述下行控制信息所在的搜索空间,或者所述下行控制信息所在的控制资源集的准同定位关系确定下行控制信息调度的数据传输的准同定位关系假设。
  69. 一种计算机存储介质,所述计算机存储介质存储有指令,当所述指令被计算机执行时,使得所述计算机实现权利要求1-34中任一项权利要求所述的方法。
  70. 一种通信装置,所述通信装置包括存储器和处理器,所述存储器存储有计算机指令,当所述处理器执行所述计算机指令时,使得所述通信装置实现权利要求1-34中任一项权利要求所述的方法。
  71. 一种芯片***,所述芯片***包括处理器,所述处理器用于支持终端设备实现如权利要求1-18中任一项权利要求所述的方法。
  72. 一种芯片***,所述芯片***包括处理器,所述处理器用于支持网络设备实现如权利要求19-34中任一项权利要求所述的方法。
  73. 一种通信***,包括终端设备与网络设备,所述终端设备用于执行如权利要求1-18中任一项权利要求所述的方法;所述网络设备用于执行如权利要求19-34中任一项权利要求所述的方法。
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