WO2018126777A1 - Procédé et appareil de détermination de ressource de pdsch, terminal, station de base et support de stockage - Google Patents

Procédé et appareil de détermination de ressource de pdsch, terminal, station de base et support de stockage Download PDF

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Publication number
WO2018126777A1
WO2018126777A1 PCT/CN2017/108732 CN2017108732W WO2018126777A1 WO 2018126777 A1 WO2018126777 A1 WO 2018126777A1 CN 2017108732 W CN2017108732 W CN 2017108732W WO 2018126777 A1 WO2018126777 A1 WO 2018126777A1
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Prior art keywords
pdcch
search space
resource
pdsch
domain
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PCT/CN2017/108732
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English (en)
Chinese (zh)
Inventor
张晨晨
郝鹏
毕峰
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中兴通讯股份有限公司
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Publication of WO2018126777A1 publication Critical patent/WO2018126777A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a method and device for determining a PDSCH resource, a terminal, and a base station.
  • 5G fifth generation mobile communication
  • the downlink control channel domain occupies the entire system bandwidth in the frequency domain.
  • the physical control format indicator channel (PCFICH) is used to dynamically indicate the first few symbols of the occupied subframe.
  • DCI Downlink Control Information
  • CCE Control Channel Element
  • the embodiments of the present invention provide a method, a device, a terminal, and a base station for determining a PDSCH resource, and at least one of technical problems such as low spectrum utilization efficiency, multiplexing mode flexibility, or processing delay is expected to be solved.
  • a method for determining a physical downlink shared channel (PDSCH) resource includes: obtaining first indication information for indicating a PDCCH resource for PDSCH transmission in a physical downlink control channel PDCCH region; The information determines a PDCCH resource for PDSCH transmission in the PDCCH domain within the first time unit.
  • PDSCH physical downlink shared channel
  • a method for determining a physical downlink shared channel (PDSCH) resource includes: obtaining first indication information for indicating a PDCCH resource for PDSCH transmission in a physical downlink control channel PDCCH region; Transmitting the first indication information, where the first indication information is used by the terminal to determine a PDCCH resource used for PDSCH transmission in the PDCCH domain in the first time unit.
  • PDSCH physical downlink shared channel
  • a device for determining a physical downlink shared channel (PDSCH) resource includes: an acquiring module, configured to acquire a first PDCCH resource for indicating a PDSCH transmission in a physical downlink control channel PDCCH region And the sending module is configured to send the first indication information to the terminal, where the first indication information is used by the terminal to determine the PDCCH resource used for the PDSCH transmission in the PDCCH domain in the first time unit.
  • a acquiring module configured to acquire a first PDCCH resource for indicating a PDSCH transmission in a physical downlink control channel PDCCH region
  • the sending module is configured to send the first indication information to the terminal, where the first indication information is used by the terminal to determine the PDCCH resource used for the PDSCH transmission in the PDCCH domain in the first time unit.
  • a computer storage medium is also provided.
  • the storage medium is set as a computer executable instruction; after the computer executable instruction is executed, the method for determining the PDSCH resource provided by the foregoing one or more technical solutions can be implemented.
  • the PDCCH resource for the PDSCH transmission in the PDCCH domain may be determined according to the first indication information, because the terminal may receive the first indication information for indicating the PDCCH resource for the PDSCH transmission in the physical downlink control channel PDCCH domain. That can pass The manner of the first indication information indicates the PDSCH resource multiplexed in the PDCCH domain. Therefore, the redundant spectrum resources in the PDCCH domain can be multiplexed into PDSCH resources for the PDSCH configuration, that is, the transmission of the PDSCH information, which obviously avoids waste of redundant spectrum resources in the PDCCH domain, thereby improving the effective utilization of the spectrum resources.
  • the resource multiplexing in the PDCCH domain is implemented, and the multiplexing mode is more flexible.
  • the PDSCH information can be transmitted by using the resources in the PDCCH domain, the PDSCH can be received from the PDSCH without waiting for the time corresponding to the PDCCH domain to elapse.
  • the information improves the transmission and reception efficiency of the PDSCH information, thereby reducing the PDSCH transmission delay, and thus can solve at least one of the technical problems of low spectrum utilization efficiency, multiplexing mode flexibility, or processing delay in the related art.
  • FIG. 1 is a block diagram showing a hardware structure of a mobile terminal for determining a PDSCH resource according to an embodiment of the present invention
  • FIG. 2 is a flowchart 1 of a method for determining a PDSCH resource according to an embodiment of the present invention
  • FIG. 3 is a second flowchart of a method for determining a PDSCH resource according to an embodiment of the present invention
  • FIG. 4 is a structural block diagram 1 of a device for determining PDSCH resources according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram 2 of a device for determining PDSCH resources according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a PDCCH domain search space according to an embodiment of the present invention.
  • FIG. 9 is a diagram showing search spaces corresponding to UE1 and UE2 respectively according to an embodiment of the present invention. intention;
  • FIG. 10 is a schematic diagram of a PDCCH domain and a PDSCH domain before multiplexing according to an embodiment of the present invention
  • FIG. 11 is a schematic diagram of a multiplexed PDCCH region and a PDSCH region according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of a PDCCH domain and a PDSCH domain before multiplexing according to an embodiment of the present invention
  • FIG. 13 is a schematic diagram of a PDCCH domain and a PDSCH domain after multiplexing according to an embodiment of the present invention.
  • the terms "first”, “second”, etc. in the specification and claims of the present invention and the above figures are used to distinguish similar objects, and are not necessarily used to describe a particular order or order. .
  • the current mainstream mode is to transmit the PDCCH on one or more Orthogonal Frequency Division Multiplexing (OFDM) symbols of one scheduling time unit, and the remaining OFDM symbols can transmit downlink or uplink.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the service data that is, the PDSCH or the physical uplink shared channel (PUSCH), or both.
  • the OFDM symbols transmitting the PDCCH can only be wasted if there are resources remaining, and in order to avoid such waste, the remaining resources can be used for PDSCH transmission, that is, the OFDM symbol of the PDCCH is transmitted. Multiplexing PDCCH and FDM PDSCH.
  • the resource block assignment field in the downlink DCI format in the legacy LTE indicates the frequency domain resource occupied by the PDSCH of a user on the non-PDCCH symbol, and in view of this,
  • the communication partner for example, the base station on the network side and/or the terminal on the terminal side
  • the two parties are aware of the PDCCH resources multiplexed by the PDSCH, so that the remaining PDCCH resources are used for the transmission of the PDSCH information, the waste of the PDCCH resources is reduced, and the effective utilization of the spectrum is improved, and the A multiplexing mode of the PDCCH resource, and now, after waiting for the PDCCH resource to complete the transmission of the PDCCH information, the PSDCH resource is transmitted by using a dedicated PSDCH resource other than the PDCCH resource, and the transmission time of the PSDCH information is advanced as a whole, thereby reducing the transmission of the PSDCH. Delay, with a smaller transmission delay.
  • FIG. 1 is a hardware structural block diagram of a mobile terminal for determining a physical downlink shared channel PDSCH resource according to an embodiment of the present invention.
  • the mobile terminal 10 may include one or more (only one shown) processor 102 (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA).
  • FIG. 1 is merely illustrative and does not limit the structure of the above electronic device.
  • the mobile terminal 10 may also include more or fewer components than those shown in FIG. 1, or have a different configuration than that shown in FIG.
  • the memory 104 can be configured as a software program and a module for storing application software, such as program instructions/modules corresponding to the method for determining the physical downlink shared channel PDSCH resource in the embodiment of the present invention, and the processor 102 runs the software program stored in the memory 104. And the module, thereby performing various functional applications and data processing, that is, implementing the above method.
  • the memory 104 can include high speed Random access memory may also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 104 may further include memory remotely located relative to processor 102, which may be connected to mobile terminal 10 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 106 is for receiving or transmitting data via a network.
  • the above-described network specific example may include a wireless network provided by a communication provider of the mobile terminal 10.
  • the transmission device 106 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • the transmission device 106 can be a Radio Frequency (RF) module for communicating with the Internet wirelessly.
  • the radio frequency module may include: an antenna, a modulator, and/or a demodulator, and the like, which may be used for transceiving, modulating, and demodulating operations of a wireless signal, thereby implementing wireless communication.
  • FIG. 2 is a flowchart 1 of a method for determining a physical downlink shared channel (PDSCH) resource according to an embodiment of the present invention. As shown in 2, the process includes the following steps:
  • Step S202 acquiring first indication information for indicating a PDCCH resource for PDSCH transmission in a physical downlink control channel PDCCH domain;
  • Step S204 determining, according to the indication information, a PDCCH resource used for PDSCH transmission in the PDCCH domain in the first time unit.
  • the PDCCH resource for the PDSCH transmission in the PDCCH domain may be determined according to the first indication information, because the terminal may receive the first indication information that is used to indicate the PDCCH resource for the PDSCH transmission in the physical downlink control channel PDCCH domain. That is, the PDSCH resource multiplexed in the PDCCH domain may be indicated by the first indication information, and thus the problem that the PDSCH resource multiplexed on the PDCCH symbol cannot be indicated to the terminal in the related art may be solved.
  • the first time unit may include: one or more scheduling time units, wherein, in a case where the first time unit includes a plurality of scheduling time units, the plurality of scheduling time units are discrete or continuously.
  • the PDCCH domain described above may include one or more orthogonal frequency division multiplexing OFDM symbols for PDCCH transmission.
  • the OFDM symbol may be an OFDM symbol located in one or more of the scheduled time units.
  • the first indication information may be displayed in an implicit manner.
  • the indication is performed by using a display manner.
  • the step S202 may be specifically performed as: receiving downlink control information DCI;
  • the DCI includes: an indication field for indicating a PDCCH resource for PDSCH transmission in the PDCCH domain. That is, the first indication information is carried by adding the indication field in the DCI.
  • the above indication field may be one or more fields, but is not limited thereto.
  • the field may be a resource identifier indicating the PDCCH resource used for the PSDCH resource, and the resource identifier may include: a frequency band identifier, a time identifier, and the like.
  • the indication field may be used to indicate a candidate for a PDSCH transmission in a specified candidate set of a PDCCH domain, where the candidate set is a candidate set for an aggregation level or a subset of a candidate set, and a candidate in the candidate set is specified. Used for PDSCH transmission when no PDCCH is required for transmission.
  • the foregoing candidate set may be divided into two types: a first type candidate and a second type candidate, wherein the first type candidate is a PDCCH dedicated candidate, and can only be used for PDCCH transmission, and is not applicable to the PDSCH.
  • the second type of candidate is a PDSCH candidate, which can be used for both PDCCH transmission and PDSCH transmission, but is preferentially used for PDCCH transmission, and is used for PDSCH transmission when no PDCCH needs to be transmitted.
  • the specified candidate set is the second type candidate, but is not limited thereto.
  • the above candidate set may be all search spaces corresponding to the aggregation level. Or a subset of all search spaces.
  • the above set refers to a set of control channel basic resource elements, which may be an aggregation of CCEs or REGs or PRBs or other basic search spaces.
  • the above aggregation level may include at least one of the following: a collection of all aggregation levels; a collection of partial aggregation levels; and an aggregation level.
  • the foregoing candidate set is at least one of: a total search space corresponding to the time-frequency resource occupied by the entire PDCCH; a partial search space corresponding to the PDCCH occupying the time-frequency resource in the specified beam direction; and a partial search corresponding to the specified search space type
  • the space wherein the specified search space type comprises at least one of the following: a common search space, a dedicated search space, a group search space, wherein the group search space is a search space that shares a DCI for a group of terminals.
  • all search spaces corresponds to one or more OFDM symbols
  • the frequency domain corresponds to one or more PRB sets
  • the partial search space the time domain corresponds to one, multiple or 1/n OFDM symbols, n is a positive integer
  • the frequency domain corresponds to a PRB Set or a subset of a PRB Set.
  • the indication field may include the same number of bits as the number of candidates included in the specified candidate set. Therefore, the candidate for the PDSCH transmission in the specified candidate set of the PDCCH domain can be indicated by the bitmap bitmap method.
  • the bit in the indication domain when the bit in the indication domain is the first specified value, indicating that the candidate corresponding to the bit in the specified candidate set is used for PDSCH transmission; when the bit is the second specified value, indicating that the specified candidate set is The candidates corresponding to the bits are not used for PDSCH transmission.
  • the first specified value may be 0 or 1
  • the second specified value may be 1 or 0, but is not limited thereto.
  • the aggregation level corresponding to the specified candidate set may be an aggregation level corresponding to the candidate set, or the aggregation level corresponding to the specified candidate set is a subset of the aggregation level corresponding to the candidate set, but Not limited to this.
  • the aggregation level corresponding to the specified candidate set may be determined by at least one of the following: radio resource control RRC signaling configuration; system information block SIB or system information SI semi-static configuration; specified protocol specification; according to current scheduling time Whether the base station in the unit determines the detection result of the PDCCH that the terminal has transmitted; wherein, in the case that the PDCCH is sent to the terminal, the aggregation level of the specified candidate set is the same as the aggregation level used by the base station to send the PDCCH, and the detection result is When the PDCCH is not sent to the terminal, the aggregation level of the specified candidate set is the default aggregation level.
  • the indication is performed in an implicit manner, and the foregoing step S202 may be performed by: detecting whether the base station carries the DCI or the effective control channel in the predetermined search space, and obtains the detection result; wherein, the detection result is In the case that the predetermined search space carries the DCI or the effective control channel, it indicates that the PDCCH domain is used for PDCCH transmission and the frequency domain resource corresponding to the predetermined search space is the PDCCH resource.
  • the second indication information indicates that the predetermined search space does not carry a DCI or a valid control channel, indicating that the PDCCH domain is not used for PDCCH transmission.
  • the predetermined search space may be a search space corresponding to one or more control channel basic resource units.
  • the time domain may correspond to one or more OFDM symbols
  • the frequency domain may correspond to one PRB Set or a subset of PRB Sets, that is, multiple consecutive or discrete PRBs.
  • the search space may include at least one of the following: a common search space, a group search space; wherein the group search space is a search space in which a group of terminals share a DCI.
  • the above predetermined search space is one OFDM symbol or one OFDM symbol group in the time domain dimension, corresponding to one beam direction. Different OFDM symbols or groups of OFDM symbols may correspond to the same or different OFDM directions.
  • the method may further include: determining whether to transmit the PDSCH of the terminal on the predetermined search space.
  • determining whether the PDSCH of the transmitting terminal on the predetermined search space may be expressed as: blindly detecting the PDCCH on other candidate or other search spaces other than the predetermined search space; detecting that the base station sends the DCI to the terminal itself, and in the DCI
  • the resource allocation indication field is included, the frequency domain resource indicated by the resource allocation indication field is intersected with the frequency domain resource corresponding to the predetermined search space according to the resource allocation rule of the predetermined search space transmission PDSCH, to obtain the first frequency domain resource;
  • the resource allocation rule includes: allocating frequency domain resources corresponding to the predetermined search space to the corresponding terminal according to the frequency domain resource allocation result of the PDSCH domain; determining that the base station transmits on the time-frequency resource corresponding to the first frequency domain resource in the predetermined search space.
  • the PDSCH of the terminal may be expressed as: blindly detecting the PDCCH on other candidate or other search spaces other than the predetermined search space; detecting that the base station sends the DCI to the terminal itself, and
  • the first frequency domain resource refers to a frequency domain dimension, and does not include a time domain dimension, where a time domain dimension of the time domain resource of the first frequency domain resource corresponds to all OFDM symbols included in the predetermined search space or The part of the OFDM symbol, the frequency domain dimension of the time domain resource of the first frequency domain resource corresponds to the first time-frequency resource.
  • the execution body of the foregoing steps may be a terminal or the like, but is not limited thereto.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • the embodiment of the present invention further provides a method for determining a physical downlink shared channel (PDSCH) resource
  • FIG. 3 is a second flowchart of a method for determining a physical downlink shared channel (PDSCH) resource according to an embodiment of the present invention.
  • Methods include:
  • Step S302 the acquiring is used to indicate the physical downlink control channel in the PDCCH domain for the PDSCH.
  • Step S304 the first indication information is sent to the terminal, where the first indication information is used by the terminal to determine a PDCCH resource used for PDSCH transmission in the PDCCH domain in the first time unit.
  • the PDCCH resource for the PDSCH transmission in the physical downlink control channel PDCCH region of the terminal may be notified by using the foregoing first indication information, so that the problem that the PDSCH resource multiplexed on the PDCCH symbol cannot be indicated to the terminal in the related art may be solved.
  • the first time unit may include: one or more scheduling time units, wherein, in a case where the first time unit includes a plurality of scheduling time units, the plurality of scheduling time units are discrete or continuously.
  • the above PDCCH domain may include one or more orthogonal frequency division multiplexing OFDM symbols for PDCCH transmission.
  • the OFDM symbol may be an OFDM symbol located in one or more of the scheduled time units.
  • the first indication information may be displayed in an implicit manner.
  • the indication may be performed by using a display manner, where the first indication information may include: downlink control information.
  • the DCI wherein the DCI includes: an indication field for indicating a PDCCH resource for the PDSCH transmission in the PDCCH domain. That is, the first indication information is carried by adding the indication field in the DCI.
  • the above indication field may be a field, but is not limited thereto.
  • the indication field may be used to indicate a candidate for a PDSCH transmission in a specified candidate set of a PDCCH domain, where the candidate set is a candidate set for an aggregation level or a subset of a candidate set, and a candidate in the candidate set is specified. Used for PDSCH transmission when no PDCCH is required for transmission.
  • the foregoing candidate set may be divided into two types: a first type candidate and a second type candidate, wherein the first type candidate is a PDCCH dedicated candidate, and can only be used for PDCCH transmission, and is not applicable to the PDSCH.
  • Transmission; the second type of candidate is a PDSCH candidate candidate, which can be used for both PDCCH transmission and PDSCH transmission, but is preferentially used for The PDCCH transmission is used for PDSCH transmission when there is no PDCCH to transmit.
  • the specified candidate set is the second type candidate, but is not limited thereto.
  • the candidate set described above may be all search spaces of the corresponding aggregation level or a subset of all search spaces.
  • the above set refers to a set of control channel basic resource elements, which may be an aggregation of CCEs or REGs or PRBs or other basic search spaces.
  • the above aggregation level may include at least one of the following: a collection of all aggregation levels; a collection of partial aggregation levels; and an aggregation level.
  • the foregoing candidate set is at least one of: a total search space corresponding to the time-frequency resource occupied by the entire PDCCH; a partial search space corresponding to the PDCCH occupying the time-frequency resource in the specified beam direction; and a partial search corresponding to the specified search space type
  • the space wherein the specified search space type comprises at least one of the following: a common search space, a dedicated search space, a group search space, wherein the group search space is a search space that shares a DCI for a group of terminals.
  • all search spaces corresponds to one or more OFDM symbols
  • the frequency domain corresponds to one or more PRB sets
  • the partial search space the time domain corresponds to one, multiple or 1/n OFDM symbols, n is a positive integer
  • the frequency domain corresponds to a PRB Set or a subset of a PRB Set.
  • the indication field may include the same number of bits as the number of candidates included in the specified candidate set. Therefore, the candidate for the PDSCH transmission in the specified candidate set of the PDCCH domain can be indicated by the bitmap bitmap method.
  • the bit in the indication domain when the bit in the indication domain is the first specified value, indicating that the candidate corresponding to the bit in the specified candidate set is used for PDSCH transmission; when the bit is the second specified value, indicating that the specified candidate set is The candidates corresponding to the bits are not used for PDSCH transmission.
  • the first specified value may be 0 or 1
  • the second specified value may be 1 or 0, but is not limited thereto.
  • the aggregation level corresponding to the specified candidate set may be an aggregation level corresponding to the candidate set, or the aggregation level corresponding to the specified candidate set is a subset of the aggregation level corresponding to the candidate set, but Not limited to this.
  • the aggregation level corresponding to the specified candidate set may be determined by at least one of the following: radio resource control RRC signaling configuration; system information block SIB or system information SI semi-static configuration; specified protocol specification; according to current scheduling time Whether the base station in the unit determines the detection result of the PDCCH that the terminal has transmitted; wherein, in the case that the PDCCH is sent to the terminal, the aggregation level of the specified candidate set is the same as the aggregation level used by the base station to send the PDCCH, and the detection result is When the PDCCH is not sent to the terminal, the aggregation level of the specified candidate set is the default aggregation level.
  • the indication is performed in an implicit manner, where the first indication information includes: whether the base station carries the DCI or the effective control channel in the predetermined search space; wherein, in the predetermined search space, When the DCI or the effective control channel is carried, it indicates that the PDCCH domain is used for PDCCH transmission and the frequency domain resource corresponding to the predetermined search space is the PDCCH resource. That is, whether the PDCCH domain is used for PDCCH transmission by the base station whether the DCI or the effective control channel is carried in the predetermined search space, and if used, the frequency domain resource corresponding to the predetermined search space is the PDCCH resource.
  • the second indication information indicates that the predetermined search space does not carry a DCI or a valid control channel, indicating that the PDCCH domain is not used for PDCCH transmission.
  • the predetermined search space may be a search space corresponding to one or more control channel basic resource units.
  • the time domain may correspond to one or more OFDM symbols
  • the frequency domain may correspond to one PRB Set or a subset of PRB Sets, that is, multiple consecutive or discrete PRBs.
  • the search space may include at least one of the following: a common search space, a group search space; wherein the group search space is a search space in which a group of terminals share a DCI.
  • the above predetermined search space is one OFDM symbol or one OFDM symbol group in the time domain dimension, corresponding to one beam direction. Different OFDM symbols or groups of OFDM symbols may correspond to the same or different OFDM directions.
  • the method may further include: allocating a frequency domain resource corresponding to the predetermined search space to the corresponding terminal according to the resource allocation rule; wherein the resource allocation rule comprises: according to the PDSCH domain
  • the frequency domain resource allocation result allocates the frequency domain resource corresponding to the predetermined search space to the corresponding terminal.
  • the frequency domain resource allocation is allocated by the resource allocation rule to ensure that the frequency domain resource allocation corresponding to the predetermined search space is consistent with the frequency domain resource allocation result of the PDSCH domain, or the frequency domain resource allocation corresponding to the predetermined search space is the frequency domain resource allocation of the PDSCH domain. a subset of.
  • the foregoing method may further include: selecting one frequency from multiple frequency domain resource allocation results.
  • the PDSCH resource is determined for each OFDM symbol or each OFDM symbol group according to a resource allocation rule. That is, in the case where there are multiple frequency domain resource allocation results, it is necessary to refer to one of the frequency domain resource allocation results for resource allocation.
  • the execution body of the foregoing step may be a base station or the like, but is not limited thereto.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • a device for determining a physical downlink shared channel PDSCH resource is further provided.
  • the device is used to implement the above embodiments and preferred embodiments, and the description thereof has been omitted.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 4 is a structural block diagram 1 of a device for determining a physical downlink shared channel PDSCH resource according to an embodiment of the present invention. As shown in FIG. 4, the device includes:
  • the obtaining module 42 is configured to acquire first indication information used to indicate a PDCCH resource used for PDSCH transmission in a physical downlink control channel PDCCH domain;
  • the determining module 44 is connected to the obtaining module 42, and configured to determine, according to the indication information, a PDCCH resource used for PDSCH transmission in the PDCCH domain in the first time unit.
  • the PDCCH resource for the PDSCH transmission in the PDCCH domain may be determined according to the first indication information, because the first indication information for indicating the PDCCH resource for the PDSCH transmission in the physical downlink control channel PDCCH domain may be received by using the foregoing apparatus, That is, the PDSCH resource multiplexed in the PDCCH domain can be indicated by the first indication information, and thus the problem that the PDSCH resource multiplexed on the PDCCH symbol cannot be indicated to the terminal in the related art can be solved.
  • the first time unit may include: one or more scheduling time units, wherein, in a case where the first time unit includes a plurality of scheduling time units, the plurality of scheduling time units are discrete or continuously.
  • the PDCCH domain described above may include one or more orthogonal frequency division multiplexing OFDM symbols for PDCCH transmission.
  • the foregoing indication information may be displayed in an implicit manner.
  • the indication is performed by using a display manner.
  • the obtaining module 42 may further be configured to receive the downlink control.
  • Information DCI includes: an indication field for indicating a PDCCH resource for PDSCH transmission in the PDCCH domain.
  • the above indication field may be a field, but is not limited thereto.
  • the indication field may be used to indicate a candidate for a PDSCH transmission in a specified candidate set of a PDCCH domain, where the candidate set is a candidate set for an aggregation level or a subset of a candidate set, and a candidate in the candidate set is specified. Used for PDSCH transmission when no PDCCH is required for transmission.
  • the foregoing candidate set may be divided into two types: a first type candidate and a second type candidate, wherein the first type candidate is a PDCCH dedicated candidate, and can only be used for PDCCH transmission, and is not applicable to the PDSCH.
  • the second type of candidate is a PDSCH candidate, which can be used for both PDCCH transmission and PDSCH transmission, but is preferentially used for PDCCH transmission, and is used for PDSCH transmission when no PDCCH needs to be transmitted.
  • the specified candidate set is the second type candidate, but is not limited thereto.
  • the candidate set described above may be all search spaces of the corresponding aggregation level or a subset of all search spaces.
  • the above set refers to a set of control channel basic resource elements, which may be an aggregation of CCEs or REGs or PRBs or other basic search spaces.
  • the above aggregation level may include at least one of the following: a collection of all aggregation levels; a collection of partial aggregation levels; and an aggregation level.
  • the foregoing candidate set is at least one of: a total search space corresponding to the time-frequency resource occupied by the entire PDCCH; a partial search space corresponding to the PDCCH occupying the time-frequency resource in the specified beam direction; and a partial search corresponding to the specified search space type
  • the space wherein the specified search space type comprises at least one of the following: a common search space, a dedicated search space, a group search space, wherein the group search space is a search space that shares a DCI for a group of terminals.
  • all search spaces corresponds to one or more OFDM symbols
  • the frequency domain corresponds to one or more PRB sets
  • the partial search space the time domain corresponds to one, multiple or 1/n OFDM symbols, n is a positive integer
  • the frequency domain corresponds to a PRB Set or a subset of a PRB Set.
  • the indication field may include the same number of bits as the number of candidates included in the specified candidate set. Therefore, the candidate for the PDSCH transmission in the specified candidate set of the PDCCH domain can be indicated by the bitmap bitmap method.
  • the bit in the indication domain when the bit in the indication domain is the first specified value, indicating that the candidate corresponding to the bit in the specified candidate set is used for PDSCH transmission; when the bit is the second specified value, indicating that the specified candidate set is The candidates corresponding to the bits are not used for PDSCH transmission.
  • the first specified value may be 0 or 1
  • the second specified value may be 1 or 0, but is not limited thereto.
  • the aggregation level corresponding to the specified candidate set may be an aggregation level corresponding to the candidate set, or the aggregation level corresponding to the specified candidate set is a subset of the aggregation level corresponding to the candidate set, but Not limited to this.
  • the aggregation level corresponding to the specified candidate set may be determined by at least one of the following: radio resource control RRC signaling configuration; system information block SIB or system information SI semi-static configuration; specified protocol specification; according to current scheduling time Whether the base station in the unit determines the detection result of the PDCCH that the terminal has transmitted; wherein, in the case that the PDCCH is sent to the terminal, the aggregation level of the specified candidate set is the same as the aggregation level used by the base station to send the PDCCH, and the detection result is When the PDCCH is not sent to the terminal, the aggregation level of the specified candidate set is the default aggregation level.
  • the indication is performed in an implicit manner.
  • the obtaining module 42 is further configured to detect whether the base station carries the DCI or the effective control channel in the predetermined search space, and obtains the detection result. If the detection result is that the DCI or the effective control channel is carried in the predetermined search space, the PDCCH domain is used for the PDCCH transmission, and the frequency domain resource corresponding to the predetermined search space is the PDCCH resource.
  • the second indication information indicates that the predetermined search space does not carry a DCI or a valid control channel, indicating that the PDCCH domain is not multiplexed for PDCCH transmission.
  • the predetermined search space may be a search space corresponding to one or more control channel basic resource units.
  • the time domain may correspond to one or more OFDM symbols
  • the frequency domain may correspond to one PRB Set or a subset of PRB Sets, that is, multiple consecutive or discrete PRBs.
  • the search space may include at least one of the following: a common search space, a group search space; wherein the group search space is a search space in which a group of terminals share a DCI.
  • the above predetermined search space is one OFDM symbol or one OFDM symbol group in the time domain dimension, corresponding to one beam direction. Different OFDM symbols or groups of OFDM symbols may correspond to the same or different OFDM directions.
  • the apparatus may further include: a determining module, connected to the determining module 44, configured to determine whether the PDSCH of the terminal is transmitted on the predetermined search space.
  • the determining module may include: a blind detecting unit configured to blindly detect the PDCCH on other candidate or other search spaces other than the predetermined search space; and the processing unit configured to send the DCI to the terminal itself after detecting the base station And the resource allocation indication field is included in the DCI, and the frequency domain resource indicated by the resource allocation indication field is intersected with the frequency domain resource corresponding to the predetermined search space according to the resource allocation rule of the predetermined search space transmission PDSCH, to obtain the first frequency.
  • the resource allocation rule includes: the frequency domain resource corresponding to the predetermined search space is allocated to the corresponding terminal according to the frequency domain resource allocation result of the PDSCH domain; and the determining unit is configured to determine that the base station corresponds to the first frequency in the predetermined search space.
  • the PDSCH of the terminal is transmitted on the time-frequency resource of the domain resource.
  • the first frequency domain resource refers to a frequency domain dimension, and does not include a time domain dimension, where a time domain dimension of the time domain resource of the first frequency domain resource corresponds to all OFDM symbols included in the predetermined search space or The part of the OFDM symbol, the frequency domain dimension of the time domain resource of the first frequency domain resource corresponds to the first time-frequency resource.
  • the above device may be located in the terminal, but is not limited thereto.
  • each of the foregoing modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are arbitrary.
  • the combined forms are located in different processors.
  • a device for determining a physical downlink shared channel (PDSCH) resource is provided.
  • the device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 5 is a structural block diagram 2 of a device for determining a physical downlink shared channel (PDSCH) resource according to an embodiment of the present invention. As shown in FIG. 5, the device includes:
  • the obtaining module 52 is configured to acquire first indication information used to indicate a PDCCH resource used for PDSCH transmission in a physical downlink control channel PDCCH domain;
  • the sending module 54 is connected to the acquiring module 52, and configured to send first indication information to the terminal, where the first indication information is used by the terminal to determine a PDCCH resource used for PDSCH transmission in the PDCCH domain in the first time unit.
  • the PDCCH resource for the PDSCH transmission in the physical downlink control channel PDCCH region of the terminal may be notified by the foregoing apparatus, and the problem that the PDSCH resource multiplexed on the PDCCH symbol cannot be indicated to the terminal in the related art may be solved.
  • the first time unit may include: one or more scheduling time units, wherein, in a case where the first time unit includes a plurality of scheduling time units, the plurality of scheduling time units are discrete or continuously.
  • the above PDCCH domain may include one or more orthogonal frequency division multiplexing OFDM symbols for PDCCH transmission.
  • the first indication information may be displayed in an implicit manner.
  • the indication may be performed by using a display manner, where the first indication information may include: downlink control information.
  • DCI includes: used to refer to An indication field indicating a PDCCH resource for PDSCH transmission in the PDCCH domain. That is, the first indication information is carried by adding the indication field in the DCI.
  • the above indication field may be a field, but is not limited thereto.
  • the indication field may be used to indicate a candidate for a PDSCH transmission in a specified candidate set of a PDCCH domain, where the candidate set is a candidate set for an aggregation level or a subset of a candidate set, and a candidate in the candidate set is specified. Used for PDSCH transmission when no PDCCH is required for transmission.
  • the foregoing candidate set may be divided into two types: a first type candidate and a second type candidate, wherein the first type candidate is a PDCCH dedicated candidate, and can only be used for PDCCH transmission, and is not applicable to the PDSCH.
  • the second type of candidate is a PDSCH candidate, which can be used for both PDCCH transmission and PDSCH transmission, but is preferentially used for PDCCH transmission, and is used for PDSCH transmission when no PDCCH needs to be transmitted.
  • the specified candidate set is the second type candidate, but is not limited thereto.
  • the candidate set described above may be all search spaces of the corresponding aggregation level or a subset of all search spaces.
  • the above set refers to a set of control channel basic resource elements, which may be an aggregation of CCEs or REGs or PRBs or other basic search spaces.
  • the above aggregation level may include at least one of the following: a collection of all aggregation levels; a collection of partial aggregation levels; and an aggregation level.
  • the foregoing candidate set is at least one of: a total search space corresponding to the time-frequency resource occupied by the entire PDCCH; a partial search space corresponding to the PDCCH occupying the time-frequency resource in the specified beam direction; and a partial search corresponding to the specified search space type
  • the space wherein the specified search space type comprises at least one of the following: a common search space, a dedicated search space, a group search space, wherein the group search space is a search space that shares a DCI for a group of terminals.
  • the time domain corresponds to one or more OFDM symbols
  • the frequency domain corresponds to one or more PRB Sets; in the foregoing partial search space, the time domain corresponds to one, multiple or 1/n OFDM symbols, n is a positive integer, and the frequency domain corresponds to a PRB Set or a subset of a PRB Set.
  • the indication field may include the same number of bits as the number of candidates included in the specified candidate set. Therefore, the candidate for the PDSCH transmission in the specified candidate set of the PDCCH domain can be indicated by the bitmap bitmap method.
  • the bit in the indication domain when the bit in the indication domain is the first specified value, indicating that the candidate corresponding to the bit in the specified candidate set is used for PDSCH transmission; when the bit is the second specified value, indicating that the specified candidate set is The candidates corresponding to the bits are not used for PDSCH transmission.
  • the first specified value may be 0 or 1
  • the second specified value may be 1 or 0, but is not limited thereto.
  • the aggregation level corresponding to the specified candidate set may be an aggregation level corresponding to the candidate set, or the aggregation level corresponding to the specified candidate set is a subset of the aggregation level corresponding to the candidate set, but Not limited to this.
  • the aggregation level corresponding to the specified candidate set may be determined by at least one of the following: radio resource control RRC signaling configuration; system information block SIB or system information SI semi-static configuration; specified protocol specification; according to current scheduling time Whether the base station in the unit determines the detection result of the PDCCH that the terminal has transmitted; wherein, in the case that the PDCCH is sent to the terminal, the aggregation level of the specified candidate set is the same as the aggregation level used by the base station to send the PDCCH, and the detection result is When the PDCCH is not sent to the terminal, the aggregation level of the specified candidate set is the default aggregation level.
  • the indication is performed in an implicit manner, where the first indication information includes: whether the base station carries a DCI or a valid control channel in a predetermined search space; wherein the bearer is carried in a predetermined search space.
  • the first indication information includes: whether the base station carries a DCI or a valid control channel in a predetermined search space; wherein the bearer is carried in a predetermined search space.
  • the first indication information includes: whether the base station carries a DCI or a valid control channel in a predetermined search space; wherein the bearer is carried in a predetermined search space.
  • a DCI or a valid control channel indicating that the PDCCH domain is used for PDCCH transmission and the frequency domain resource corresponding to the predetermined search space is PDCCH resource. That is, whether the PDCCH domain is used for PDCCH transmission by the base station whether the DCI or the effective control channel is carried in the predetermined search space, and if used, the frequency domain resource corresponding to the predetermined search space is the PDC
  • the second indication information indicates that the predetermined search space does not carry a DCI or a valid control channel, indicating that the PDCCH domain is not used for PDCCH transmission.
  • the predetermined search space may be a search space corresponding to one or more control channel basic resource units.
  • the time domain may correspond to one or more OFDM symbols
  • the frequency domain may correspond to one PRB Set or a subset of PRB Sets, that is, multiple consecutive or discrete PRBs.
  • the search space may include at least one of the following: a common search space, a group search space; wherein the group search space is a search space in which a group of terminals share a DCI.
  • the above predetermined search space is one OFDM symbol or one OFDM symbol group in the time domain dimension, corresponding to one beam direction. Different OFDM symbols or groups of OFDM symbols may correspond to the same or different OFDM directions.
  • the apparatus may further include: a first allocation module, configured to be connected to the obtaining module 52, configured to allocate a frequency domain resource corresponding to the predetermined search space to the corresponding terminal according to the resource allocation rule;
  • the allocation rule includes: allocating frequency domain resources corresponding to the predetermined search space to the corresponding terminal according to the frequency domain resource allocation result of the PDSCH domain.
  • the frequency domain resource allocation is allocated by the resource allocation rule to ensure that the frequency domain resource allocation corresponding to the predetermined search space is consistent with the frequency domain resource allocation result of the PDSCH domain, or the frequency domain resource allocation corresponding to the predetermined search space is the frequency domain resource allocation of the PDSCH domain. a subset of.
  • the foregoing apparatus may further include: a second allocation module, configured to be connected to the obtaining module 52, in the case that the PDSCH domain has multiple frequency domain resource allocation results in a time division multiplexing TDM manner, Selecting one of the frequency domain resource allocation results from the plurality of frequency domain resource allocation results, and for each OFDM symbol or each OFDM symbol according to the resource allocation rule The group determines the PDSCH resources. That is, in the case where there are multiple frequency domain resource allocation results, it is necessary to refer to one of the frequency domain resource allocation results for resource allocation.
  • the above device may be located in the base station, but is not limited thereto.
  • each of the foregoing modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are arbitrary.
  • the combined forms are located in different processors.
  • FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention. As shown in FIG. 6, the terminal includes:
  • the radio frequency module 62 is configured to acquire first indication information used to indicate a PDCCH resource used for PDSCH transmission in a physical downlink control channel PDCCH domain;
  • the processor 64 is connected to the radio frequency module 62, and is configured to determine, according to the indication information, a PDCCH resource used for PDSCH transmission in the PDCCH domain in the first time unit.
  • the PDCCH resource for the PDSCH transmission in the PDCCH domain may be determined according to the first indication information, by using the foregoing terminal, the first indication information that is used to indicate the PDCCH resource for the PDSCH transmission in the physical downlink control channel PDCCH domain, That is, the PDSCH resource used in the PDCCH domain can be indicated by the first indication information, and thus the problem that the PDSCH resource used for the PDCCH symbol cannot be indicated to the terminal in the related art can be solved.
  • the first time unit may include: one or more scheduling time units, wherein, in a case where the first time unit includes a plurality of scheduling time units, the plurality of scheduling time units are discrete or continuously.
  • the PDCCH domain described above may include one or more orthogonal frequency division multiplexing OFDM symbols for PDCCH transmission.
  • the first indication information may be displayed in an implicit manner.
  • the indication is performed by using a display manner.
  • the radio frequency module 62 may further be configured to receive downlink control.
  • the above indication field may be a field, but is not limited thereto.
  • the indication field may be used to indicate a candidate for a PDSCH transmission in a specified candidate set of a PDCCH domain, where the candidate set is a candidate set for an aggregation level or a subset of a candidate set, and a candidate in the candidate set is specified. Used for PDSCH transmission when no PDCCH is required for transmission.
  • the foregoing candidate set may be divided into two types: a first type candidate and a second type candidate, wherein the first type candidate is a PDCCH dedicated candidate, and can only be used for PDCCH transmission, and is not applicable to the PDSCH.
  • the second type of candidate is a PDSCH candidate, which can be used for both PDCCH transmission and PDSCH transmission, but is preferentially used for PDCCH transmission, and is used for PDSCH transmission when no PDCCH needs to be transmitted.
  • the specified candidate set is the second type candidate, but is not limited thereto.
  • the candidate set described above may be all search spaces of the corresponding aggregation level or a subset of all search spaces.
  • the above set refers to a set of control channel basic resource elements, which may be an aggregation of CCEs or REGs or PRBs or other basic search spaces.
  • the above aggregation level may include at least one of the following: a collection of all aggregation levels; a collection of partial aggregation levels; and an aggregation level.
  • the foregoing candidate set is at least one of: a total search space corresponding to the time-frequency resource occupied by the entire PDCCH; a partial search space corresponding to the PDCCH occupying the time-frequency resource in the specified beam direction; and a partial search corresponding to the specified search space type
  • the space wherein the specified search space type comprises at least one of the following: a common search space, a dedicated search space, a group search space, wherein the group search space is a search space that shares a DCI for a group of terminals.
  • all search spaces corresponds to one or more OFDM symbols
  • the frequency domain corresponds to one or more PRB sets
  • the partial search space the time domain corresponds to one, multiple or 1/n OFDM symbols, n is a positive integer
  • the frequency domain corresponds to a PRB Set or a subset of a PRB Set.
  • the indication field may include the same number of bits as the number of candidates included in the specified candidate set. Therefore, the candidate for the PDSCH transmission in the specified candidate set of the PDCCH domain can be indicated by the bitmap bitmap method.
  • the bit in the indication domain when the bit in the indication domain is the first specified value, indicating that the candidate corresponding to the bit in the specified candidate set is used for PDSCH transmission; when the bit is the second specified value, indicating that the specified candidate set is The candidates corresponding to the bits are not used for PDSCH transmission.
  • the first specified value may be 0 or 1
  • the second specified value may be 1 or 0, but is not limited thereto.
  • the aggregation level corresponding to the specified candidate set may be an aggregation level corresponding to the candidate set, or the aggregation level corresponding to the specified candidate set is a subset of the aggregation level corresponding to the candidate set, but Not limited to this.
  • the aggregation level corresponding to the specified candidate set may be determined by at least one of the following: radio resource control RRC signaling configuration; system information block SIB or system information SI semi-static configuration; specified protocol specification; according to current scheduling time Whether the base station in the unit determines the detection result of the PDCCH that the terminal has transmitted; wherein, in the case that the PDCCH is sent to the terminal, the aggregation level of the specified candidate set is the same as the aggregation level used by the base station to send the PDCCH, and the detection result is When the PDCCH is not sent to the terminal, the aggregation level of the specified candidate set is the default aggregation level.
  • the indication is performed in an implicit manner.
  • the radio frequency module 62 is further configured to detect whether the base station carries the DCI or the effective control channel in the predetermined search space, and obtains the detection result. If the detection result is that the DCI or the effective control channel is carried in the predetermined search space, the PDCCH domain is used for the PDCCH transmission, and the frequency domain resource corresponding to the predetermined search space is the PDCCH resource.
  • the second indication information indicates that the predetermined search space does not carry a DCI or a valid control channel, indicating that the PDCCH domain is not used for PDCCH transmission.
  • the predetermined search space may be a search space corresponding to one or more control channel basic resource units.
  • the time domain may correspond to one or more OFDM symbols
  • the frequency domain may correspond to one PRB Set or a subset of PRB Sets, that is, multiple consecutive or discrete PRBs.
  • the search space may include at least one of the following: a common search space, a group search space; wherein the group search space is a search space in which a group of terminals share a DCI.
  • the above predetermined search space is one OFDM symbol or one OFDM symbol group in the time domain dimension, corresponding to one beam direction. Different OFDM symbols or groups of OFDM symbols may correspond to the same or different OFDM directions.
  • the processor may be further configured to determine whether to transmit a PDSCH of the terminal on a predetermined search space; optionally, may also be used on other candidate or other search spaces other than the predetermined search space.
  • Blindly detecting the PDCCH when detecting that the base station sends the DCI to the terminal itself, and the DCI includes the resource allocation indication field, according to the resource allocation rule of the predetermined search space transmission PDSCH, the frequency domain resource indicated by the resource allocation indication field and the reservation
  • the frequency domain resource corresponding to the search space is taken to obtain the first frequency domain resource, wherein the resource allocation rule includes: allocating the frequency domain resource corresponding to the predetermined search space to the corresponding terminal according to the frequency domain resource allocation result of the PDSCH domain; and determining
  • the base station transmits the PDSCH of the terminal on the time-frequency resource corresponding to the first frequency domain resource in the predetermined search space.
  • the first frequency domain resource refers to a frequency domain dimension, and does not include a time domain dimension, where a time domain dimension of the time domain resource of the first frequency domain resource corresponds to all OFDM symbols included in the predetermined search space or The part of the OFDM symbol, the frequency domain dimension of the time domain resource of the first frequency domain resource corresponds to the first time-frequency resource.
  • FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present invention. As shown in FIG. 7, the method includes:
  • the processor 72 is configured to acquire first indication information used to indicate a PDCCH resource used for PDSCH transmission in a physical downlink control channel PDCCH domain;
  • the radio frequency module 74 is connected to the processor 72 and configured to send the first indication information to the terminal.
  • the first indication information is used by the terminal to determine the PDCCH resource used for the PDSCH transmission in the PDCCH domain in the first time unit.
  • the foregoing base station can notify the PDCCH resource for the PDSCH transmission in the PDCCH domain of the physical downlink control channel by using the first indication information, and thus can solve the problem that the PDSCH resource used for the PDCCH symbol cannot be indicated to the terminal in the related art.
  • the first time unit may include: one or more scheduling time units, wherein, in a case where the first time unit includes a plurality of scheduling time units, the plurality of scheduling time units are discrete or continuously.
  • the above PDCCH domain may include one or more orthogonal frequency division multiplexing OFDM symbols for PDCCH transmission.
  • the first indication information may be displayed in an implicit manner.
  • the indication may be performed by using a display manner, where the first indication information may include: downlink control information.
  • the DCI wherein the DCI includes: an indication field for indicating a PDCCH resource for the PDSCH transmission in the PDCCH domain. That is, the first indication information is carried by adding the indication field in the DCI.
  • the above indication field may be a field, but is not limited thereto.
  • the indication field may be used to indicate a candidate for a PDSCH transmission in a specified candidate set of a PDCCH domain, where the candidate set is a candidate set for an aggregation level or a subset of a candidate set, and a candidate in the candidate set is specified. Used for PDSCH transmission when no PDCCH is required for transmission.
  • the above candidate set can be divided into two categories: a first class candidate and a second class.
  • a class candidate wherein the first type of candidate is a PDCCH-dedicated candidate, which can only be used for PDCCH transmission, and cannot be used for PDSCH transmission; the second type of candidate is a PDSCH candidate candidate, which can be used for both PDCCH transmission and PDSCH transmission.
  • it is preferentially used for PDCCH transmission and is used for PDSCH transmission when no PDCCH is required for transmission.
  • the absence of the PDCHH needs to be transmitted and may include: there is no PDCCH information that needs to be transmitted, or the corresponding communication resource is not needed to configure the PDCCH.
  • the scheduling time unit in the candidate set is used for the PDSCH to transmit PDSCH information, thereby improving the effective utilization of resources.
  • the specified candidate set is the second type candidate, but is not limited thereto.
  • the candidate set described above may be all search spaces of the corresponding aggregation level or a subset of all search spaces.
  • the above set refers to a set of control channel basic resource elements, which may be an aggregation of CCEs or REGs or PRBs or other basic search spaces.
  • the above aggregation level may include at least one of the following: a collection of all aggregation levels; a collection of partial aggregation levels; and an aggregation level.
  • the foregoing candidate set is at least one of: a total search space corresponding to the time-frequency resource occupied by the entire PDCCH; a partial search space corresponding to the PDCCH occupying the time-frequency resource in the specified beam direction; and a partial search corresponding to the specified search space type
  • the space wherein the specified search space type comprises at least one of the following: a common search space, a dedicated search space, a group search space, wherein the group search space is a search space that shares a DCI for a group of terminals.
  • all search spaces corresponds to one or more OFDM symbols
  • the frequency domain corresponds to one or more PRB sets
  • the partial search space the time domain corresponds to one, multiple or 1/n OFDM symbols, n is a positive integer
  • the frequency domain corresponds to a PRB Set or a subset of a PRB Set.
  • the number of bits that the indication field can include and the designated candidate is the same. Therefore, the candidate for the PDSCH transmission in the specified candidate set of the PDCCH domain can be indicated by the bitmap bitmap method.
  • the bit in the indication domain when the bit in the indication domain is the first specified value, indicating that the candidate corresponding to the bit in the specified candidate set is used for PDSCH transmission; when the bit is the second specified value, indicating that the specified candidate set is The candidates corresponding to the bits are not used for PDSCH transmission.
  • the first specified value may be 0 or 1
  • the second specified value may be 1 or 0, but is not limited thereto.
  • the aggregation level corresponding to the specified candidate set may be an aggregation level corresponding to the candidate set, or the aggregation level corresponding to the specified candidate set is a subset of the aggregation level corresponding to the candidate set, but Not limited to this.
  • the aggregation level corresponding to the specified candidate set may be determined by at least one of the following: radio resource control RRC signaling configuration; system information block SIB or system information SI semi-static configuration; specified protocol specification; according to current scheduling time Whether the base station in the unit determines the detection result of the PDCCH that the terminal has transmitted; wherein, in the case that the PDCCH is sent to the terminal, the aggregation level of the specified candidate set is the same as the aggregation level used by the base station to send the PDCCH, and the detection result is When the PDCCH is not sent to the terminal, the aggregation level of the specified candidate set is the default aggregation level.
  • the indication is performed in an implicit manner, where the first indication information includes: whether the base station carries a DCI or a valid control channel in a predetermined search space; wherein the bearer is carried in a predetermined search space.
  • the PDCCH domain is used for the PDCCH transmission and the frequency domain resource corresponding to the predetermined search space is the PDCCH resource. That is, whether the PDCCH domain is used for PDCCH transmission by the base station whether the DCI or the effective control channel is carried in the predetermined search space, and if used, the frequency domain resource corresponding to the predetermined search space is the PDCCH resource.
  • the second indication information indicates that the DCI is not carried in the predetermined search space or In the case of a valid control channel, it indicates that the PDCCH domain is not used for PDCCH transmission.
  • the predetermined search space may be a search space corresponding to one or more control channel basic resource units.
  • the time domain may correspond to one or more OFDM symbols
  • the frequency domain may correspond to one PRB Set or a subset of PRB Sets, that is, multiple consecutive or discrete PRBs.
  • the search space may include at least one of the following: a common search space, a group search space; wherein the group search space is a search space in which a group of terminals share a DCI.
  • the above predetermined search space is one OFDM symbol or one OFDM symbol group in the time domain dimension, corresponding to one beam direction. Different OFDM symbols or groups of OFDM symbols may correspond to the same or different OFDM directions.
  • the processor 72 may be further configured to allocate, according to a resource allocation rule, a frequency domain resource corresponding to a predetermined search space to a corresponding terminal, where the resource allocation rule includes: a frequency domain resource according to the PDSCH domain.
  • the allocation result allocates the frequency domain resource corresponding to the predetermined search space to the corresponding terminal.
  • the processor 72 may be further configured to select one of multiple frequency domain resource allocation results in a case where the PDSCH domain has multiple frequency domain resource allocation results in a time division multiplexing TDM manner.
  • the PDSCH resource is determined for each OFDM symbol or each OFDM symbol group according to a resource allocation rule.
  • An embodiment of the present invention further provides a computer storage medium, which may be simply referred to as a storage medium, and stores computer executable code such as program code or computer software, and the computer executable code is executed to implement the foregoing application in a base station.
  • a computer storage medium which may be simply referred to as a storage medium, and stores computer executable code such as program code or computer software, and the computer executable code is executed to implement the foregoing application in a base station.
  • the above storage medium may be configured to store a program for performing the steps of the method (such as the method shown in FIG. 2 and/or FIG. 3) in any one or more of the foregoing embodiments.
  • Computer executable code such as code.
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • the computer storage medium can be selected as a non-transitory storage medium or a non-volatile storage medium.
  • the processor performs the steps of the method of FIG. 2 or FIG. 3 according to the stored program code in the storage medium.
  • FIG. 8 is a schematic diagram of a PDCCH domain search space provided according to an example of the present invention, as shown in FIG.
  • the protocol specifies a "PDCCH domain PDSCH resource indication" field in the DCI to indicate whether the PDCCH domain is multiplexed for PDSCH transmission, and which PDCCH resources are used for PDSCH transmission.
  • the domain uses a 4-bit bitmap. for:
  • the 4-bit bitmap is used to indicate 16 candidates. Whether the last 4 candidates or the first 4 candidates are used for PDSCH transmission indication, the lowest bit of 4 bits corresponds to the candidate with the smallest CCE index among the 4 candidates, and so on, the highest bit of 4 bits corresponds to 4 candidates.
  • the candidate with the largest CCE index value, the corresponding bit position 1 indicates that the corresponding candidate is transmitted by the user PDSCH, and the corresponding bit position 0 indicates that the corresponding candidate is not used for PDSCH transmission;
  • the 4-bit bitmap is used to indicate whether the last 4 candidates or the first 4 candidates in the 8 candidates are used for PDSCH transmission indication.
  • the lowest bit of 4 bits corresponds to the start of 4 candidates.
  • the candidate with the smallest CCE index, and so on, the highest bit of the 4 bits corresponds to the candidate with the largest CCE index value among the 4 candidates.
  • the corresponding bit position 1 indicates that the corresponding candidate is transmitted by the user PDSCH, and the corresponding bit position 0 indicates that the corresponding candidate is not Used for PDSCH transmission;
  • the 4-bit bitmap is used to indicate whether the four candidates are used for the PDSCH transmission indication.
  • the lowest bit of the four bits corresponds to the candidate with the smallest CCE index in the four candidates, and so on.
  • the highest bit in the bit corresponds to the candidate with the largest CCE index value among the four candidates, and the corresponding bit position 1 indicates that the corresponding candidate is transmitted by the user PDSCH, and the corresponding bit position 0 indicates that the corresponding candidate is not used for the PDSCH transmission;
  • the last 2 bits of the 4-bit bitmap are reserved bits.
  • the first 2 bits are used to indicate whether 2 candidates are used for PDSCH transmission indication.
  • the lowest bit of 4 bits corresponds to 2 candidates.
  • the candidate with the smallest CCE index, and so on, the upper 2 bits are reserved bits, the corresponding bit position 1 indicates that the corresponding candidate is transmitted by the user PDSCH, and the corresponding bit position 0 indicates that the corresponding candidate is not used for PDSCH transmission;
  • the last 3 bits of the 4-bit bitmap are reserved bits, and the first bit is used to indicate whether one candidate is used for the PDSCH transmission indication, and the lowest bit of the four bits corresponds to one candidate.
  • the upper 3 bits are reserved bits, corresponding to the bit position 1 Indicates that the corresponding candidate is transmitted by the user PDSCH, and the corresponding bit position 0 indicates that the corresponding candidate is not used for PDSCH transmission.
  • the agreement may stipulate that the above five meanings are supported, or that only one of the above five types is supported, or that one of the above five types is supported.
  • the protocol stipulates that only one of the above five types is supported, after the terminal blindly detects and decodes the DCI, the "PDCCH domain PDSCH resource indication" field is read, and it can be understood which candidate of the specific 4-bit candidate is used for the PDSCH. transmission.
  • the terminal can determine which CCE aggregation level the base station sends to its DCI, assuming CCE aggregation level x, then The terminal parses the meaning of the 4-bit representation in the "PDCCH domain PDSCH resource indication" field according to the CCE aggregation level x.
  • the 16 CCEs in this embodiment constitute a search space, which is only an example, and is not limited to 16 CCEs.
  • the CCE aggregation level ⁇ 1, 2, 4, 8, 16 ⁇ in this embodiment is merely an example, and is not specifically limited thereto.
  • the 4-bit bitmap length in this embodiment is merely an example, and is not limited to 4 bits in detail.
  • the user can calculate the search space range of the blind detection PDCCH according to the RNTI information, the current time information, such as the Slot sequence number, the Subframe sequence number, or the frame sequence number, or other information configured by the RRC signaling, before the PDCCH is detected by the PDCCH.
  • the search space ranges may be different or the same. Different users may have different or the same search space range for the same CCE aggregation level. As shown in FIG. 9, FIG. 9 is provided according to Example 2 of the present invention.
  • the search space determined in the current scheduling time unit is "UE2 search space” in FIG. 9, and includes CCE6-CCE21.
  • the protocol stipulates that all users support the CCE aggregation level of ⁇ 1, 2, 4, 8, 16 ⁇ .
  • UE1 and UE2 have different search space ranges, based on their respective search spaces, the blind detection times are 16+ for a certain DCI format.
  • the corresponding aggregation level is 1 CCE, there are 16 candidates; the corresponding aggregation level is 2 CCEs, there are 8 candidates; the corresponding aggregation level is 4 CCEs. In the case of 4 candidates, the corresponding aggregation level is 8 CCEs, there are 2 candidates; the corresponding aggregation level is 16 CCEs, and there is 1 candidate.
  • the domain adopts a 4-bit bitmap, the 4-bit The bitmap only indicates the search space of a specific UE, whether part of the candidate or all the candidates are used for the PDSCH transmission of the user.
  • the protocol specifies a "PDCCH domain PDSCH resource indication" field in the DCI to indicate whether the PDCCH domain is multiplexed for PDSCH transmission, and which PDCCH resources are used for PDSCH transmission.
  • the domain uses a 4-bit bitmap. for:
  • the 4-bit bitmap is used to indicate whether the last 4 candidates or the first 4 candidates in the 16 candidates are used for the PDSCH transmission indication.
  • the lowest bit of the 4 bits corresponds to the CCE index of the 4 candidates.
  • the smallest candidate, and so on, the highest bit of the 4 bits corresponds to the candidate with the largest CCE index value among the 4 candidates.
  • the corresponding bit position 1 indicates that the corresponding candidate is transmitted by the user PDSCH, and the corresponding bit position 0 indicates that the corresponding candidate is not used.
  • the 4-bit bitmap is used to indicate whether the last 4 candidates or the first 4 candidates in the 8 candidates are used for PDSCH transmission indication.
  • the lowest bit of 4 bits corresponds to the start of 4 candidates.
  • the candidate with the smallest CCE index, and so on, the highest bit of the 4 bits corresponds to the candidate with the largest CCE index value among the 4 candidates, and the corresponding bit position 1 indicates that the corresponding candidate is transmitted by the user PDSCH, the corresponding ratio
  • the special position 0 indicates that the corresponding candidate is not used for PDSCH transmission;
  • the 4-bit bitmap is used to indicate whether the four candidates are used for the PDSCH transmission indication.
  • the lowest bit of the four bits corresponds to the candidate with the smallest CCE index in the four candidates, and so on.
  • the highest bit in the bit corresponds to the candidate with the largest CCE index value among the four candidates, and the corresponding bit position 1 indicates that the corresponding candidate is transmitted by the user PDSCH, and the corresponding bit position 0 indicates that the corresponding candidate is not used for the PDSCH transmission;
  • the last 2 bits of the 4-bit bitmap are reserved bits.
  • the first 2 bits are used to indicate whether 2 candidates are used for PDSCH transmission indication.
  • the lowest bit of 4 bits corresponds to 2 candidates.
  • the candidate with the smallest CCE index, and so on, the upper 2 bits are reserved bits, the corresponding bit position 1 indicates that the corresponding candidate is transmitted by the user PDSCH, and the corresponding bit position 0 indicates that the corresponding candidate is not used for PDSCH transmission;
  • the last 3 bits of the 4-bit bitmap are reserved bits, and the first bit is used to indicate whether one candidate is used for the PDSCH transmission indication, and the lowest bit of the four bits corresponds to one candidate.
  • the upper 3 bits are reserved bits, the corresponding bit position 1 indicates that the corresponding candidate is transmitted by the user PDSCH, and the corresponding bit position 0 indicates that the corresponding candidate is not used for PDSCH transmission.
  • the agreement may stipulate that the above five meanings are supported, or that only one of the above five types is supported, or that one of the above five types is supported.
  • the protocol stipulates that only one of the above five types is supported, after the terminal blindly detects and decodes the DCI, the "PDCCH domain PDSCH resource indication" field is read, and it can be understood which candidate of the specific 4-bit candidate is used for the PDSCH. transmission.
  • the terminal can determine which CCE aggregation level the base station sends to its DCI, assuming CCE aggregation level x, then The terminal parses the PDCCH according to the CCE aggregation level x.
  • the user 1 parses the 4-bit "PDCCH domain PDSCH resource indication" field in the DCI as:
  • the level is 2 CCEs
  • the last 4 candidates in 8 candidates that is, the lowest bit indicates the 5th candidate, that is, the candidate corresponding to ⁇ CCE8CCE9 ⁇ , whether it is used for PDSCH transmission, and the highest indicates the 8th candidate, that is, The corresponding certificate of ⁇ CCE14CCE15 ⁇ is transmitted by the user PDSCH, and the middle 2 bits and so on.
  • the user 1 finds that the field is "1010", that is, the 6th and 8th candidates are used for PDSCH transmission, that is, ⁇ CCE10CCE11CCE14CCE15 ⁇ is used for PDSCH transmission.
  • the user 2 If the user 2 does not find the DCI transmission after the blind detection, the user 2 considers that the current scheduling time unit itself is not scheduled, and there is no PDSCH transmission, and the "PDCCH domain PDSCH resource indication" field in the DCI is not needed and cannot be parsed.
  • FIG. 10 is a PDCCH domain and a PDSCH domain before multiplexing according to Example 3 of the present invention.
  • the schematic diagram can be selected as shown in Figure 10.
  • the user blindly detects the group search space and uses a specific group RNTI. If the user blindly detects the group search space and considers that the search space does not send DCI, it indicates that the group search space is used on the current scheduling time unit. In the PDSCH transmission, if the user blindly detects the group search space and then considers that the base station sends the DCI on the search space, it indicates that the group search space on the current scheduling time unit is used for DCI transmission, and is not used for PDSCH transmission.
  • FIG. 11 is a PDCCH domain and a PDCCH field according to the third embodiment of the present invention. Schematic diagram of the PDSCH domain, as shown in Figure 11 As shown, according to the frequency domain resource allocation of the PDSCH domain, UE1 and UE2 are respectively scheduled in the PDSCH domain for the frequency domain resources occupied by the group search space. Therefore, the base station divides the group search space into two parts in the frequency domain, and part of the frequency. The UE1 is scheduled, and the other part is scheduled to UE2.
  • the PDSCH frequency domain resource allocation of the scheduled group search space is a subset of the frequency domain resource allocation of the PDSCH domain scheduling, but because the frequency domain range of the group search space is smaller than the frequency domain range of the PDSCH domain, For the user 1, the frequency domain resource allocated to the user 1 for PDSCH transmission in the group search space is less than the frequency domain resource allocated to the user 1 for PDSCH transmission in the PDSCH domain, and the same is true for the user 2.
  • the user 1 blindly detects the group search space, it is found that the search space does not carry the DCI, and the user 1 knows that the current scheduling unit of the base station reuses the group search space for PDSCH transmission, and the user 1 then blindly detects the user-specific search.
  • Space for 1 to blindly detect its own DCI in the user-specific search space, read the "resource allocation" field in the DCI, and thus know the frequency domain resources of the PDSCH domain base station to schedule its own PDSCH, which is recorded as resource 1, user 1 will Check the frequency domain resources of the group search space, which is recorded as resource 2. User 1 will take resource 1 and resource 2 to get the resource 3. If resource 3 is not empty, user 1 knows all the time domain resources of the group search space.
  • the base station transmits the PDSCH to itself, so that the user 1 goes to the part of the resource and the "UE1 PDSCH" resource in the PDSCH domain.
  • the PDSCH is demodulated and decoded.
  • User 2 adopts an operation similar to that of User 1, and finally determines the shaded portion labeled "Multiplexed to UE2 PDSCH" in FIG. 11, and the base station transmits PDSCH to itself, so that User 2 goes to the "multiplexed” shown in FIG.
  • the shaded portion of UE2 PDSCH” and the "UE2PDSCH” resource in the PDSCH domain are demodulated to decode the PDSCH.
  • the user N After the user N obtains the resource 3 and finds that the resource 3 is empty, the user N knows that the group search space does not need to transmit its own PDSCH transmission, and the user N demodulates and decodes the PDSCH only on the “UEN PDSCH” resource of the PDSCH domain.
  • Figure 12 shows a schematic diagram of the PDCCH domain and the PDSCH domain before multiplexing.
  • Figure 12 shows that Symbol 0# corresponds to one beam direction, and Symbol 1# corresponds to another. Beam direction, similarly, the PDSCH domain also includes multiple beam directions, Symbol Set 0# corresponds to one beam direction, and Symbol Set 1# corresponds to another beam direction.
  • the first group of users includes user 1, user 2, user 3, and user 4.
  • User 5 the second group of users includes User 6, User 7, User 8, User 9, User 10.
  • the group search space and the user-specific search space of the first group of users are all on Symbol 0#, and the PDSCH domain time domain corresponds to Symbol Set 0#; the group search space of the second group of users and the user-specific search space are all on Symbol 1#.
  • the PDSCH domain time domain corresponds to the Symbol Set 1#, and the two groups of users have the same frequency domain range in the PDSCH domain.
  • the frequency ranges of the PDCCH domain of the two groups of users may be the same or different or overlap.
  • FIG. 13 is a schematic diagram of a PDCCH domain and a PDSCH domain after multiplexing according to an embodiment of the present invention.
  • the first group of user groups is allocated according to the frequency allocation of the first group of users in the PDSCH domain.
  • the frequency domain resources of the search space are respectively scheduled to user 1 and user 2, as shown in different shaded parts in FIG. 13, thereby ensuring that the first group of user group search spatially multiplexed PDSCH frequency domain resource allocation is the first group of users PDSCH domain scheduling.
  • a subset of the frequency domain resource allocation but because the frequency domain range of the group search space is smaller than the frequency domain range of the PDSCH domain, the frequency domain resources allocated to the user 1 for PDSCH transmission in the group search space are less than the PDSCH domain.
  • the frequency domain resources allocated to the user 1 for PDSCH transmission are also the same for the user 2.
  • similar processing is applied to the second group of users, so that the group search space corresponding to the second group of users on Symbol 1# is multiplexed to the user 6 and the user 7, corresponding to different shadow types.
  • the user 1 finds that the search space does not carry the DCI, and the user 1 knows that the current scheduling unit of the base station puts Symbol 0#
  • the group search space is reused for the PDSCH transmission, and the user 1 then blindly detects the user-specific search space of the Symbol 0#, for 1 blindly detecting its own DCI in the user-specific search space, and reading the “resource allocation” field in the DCI, thereby Knowing that the base station on the Symbol Set0# of the PDSCH domain schedules the frequency domain resources of its own PDSCH, here is recorded as resource 1, and user 1 checks the frequency domain resources of the group search space of Symbol 0#, which is recorded as resource 2, and user 1 will Resource 1 and resource 2 are taken together to obtain resource 3.
  • resource 3 is not empty, user 1 knows the group search space of Symbol 0#, and corresponds to the frequency domain resource of resource 3, that is, labeled as "multiplexed to UE1" in FIG.
  • the base station transmits the PDSCH to itself, so that the user 1 demodulates and decodes the PDSCH on the part of the resource and the "UE1 PDSCH" resource in the PDSCH domain.
  • the user 6 finds that the search space does not carry the DCI, and the user 6 knows that the current scheduling unit of the base station reuses the group search space of the Symbol 1# for the PDSCH transmission.
  • the user 6 then blindly detects the user-specific search space of the Symbol 1#, and uses 6 to blindly detect the DCI in the user-specific search space, and reads the “resource allocation” field in the DCI, thereby knowing the base station of the Symbol Set1# in the PDSCH domain.
  • the frequency domain resource of the PDSCH is scheduled, which is recorded as resource 1.
  • the user 6 checks the frequency domain resource of the group search space of Symbol 1#, which is recorded as resource 2, and user 6 will take the resource 1 and resource 2 to obtain the resource. 3. If the resource 3 is not empty, the user 6 knows the group search space of the Symbol 1#, and corresponds to the frequency domain resource of the resource 3, that is, the shaded part marked as “multiplexed to the UE6 PDSCH” in FIG.
  • the PDSCH is such that the user 6 demodulates and decodes the PDSCH on the part of the resource and the "UE6 PDSCH" resource in the PDSCH domain.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. Execution shown or described The steps are either made into individual integrated circuit modules, or a plurality of modules or steps are made into a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.
  • the two communication parties obtain the first indication information for indicating the PDCCH resource used for the PDSCH transmission in the PDCCH domain, and then configure the PDSCH by using the corresponding PDCCH resource in the PDCCH domain according to the first indication information, for the PDSCH.
  • Transmission of information On the one hand, multiplexing of communication resources is realized, on the other hand, unnecessary waste of PDCCH resources is avoided, and on the other hand, the starting time of PDSCH information transmission is advanced, so the effective use rate of communication resources is high, and the multiplexing mode is flexible.
  • the advantage of the PDSCH information transmission delay is small, so it has a positive industrial effect in the industry. At the same time, it has the characteristics of being easy to implement and industrially applicable, and therefore has industrial applicability.

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Abstract

La présente invention concerne un procédé et un appareil de détermination de ressource de PDSCH, un terminal et une station de base ; ledit procédé comprend les étapes suivantes : obtenir des premières informations d'indication utilisées pour indiquer une ressource de canal de commande de liaison descendante physique (PDCCH) utilisée pour une transmission de PDSCH dans un domaine de PDCCH ; selon lesdites informations d'indication, déterminer une ressource de PDCCH utilisée pour une transmission de PDSCH dans le domaine de PDCCH dans une première unité de temps. Les modes de réalisation de l'invention concernent aussi un support de stockage informatique.
PCT/CN2017/108732 2017-01-03 2017-10-31 Procédé et appareil de détermination de ressource de pdsch, terminal, station de base et support de stockage WO2018126777A1 (fr)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110535569A (zh) * 2018-11-02 2019-12-03 中兴通讯股份有限公司 Harq-ack码本确定方法及装置、终端、存储介质
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CN110831178A (zh) * 2018-08-10 2020-02-21 华为技术有限公司 时域资源配置方法
CN111436101A (zh) * 2019-01-11 2020-07-21 华为技术有限公司 一种通信方法及装置
CN113055142A (zh) * 2019-12-26 2021-06-29 广州慧睿思通科技股份有限公司 Pdcch盲检测方法、装置和存储介质
CN113473627A (zh) * 2021-07-13 2021-10-01 上海中兴易联通讯股份有限公司 一种用于nr***资源复用的方法和实现资源复用的nr***
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CN113692057A (zh) * 2021-08-26 2021-11-23 中信科移动通信技术股份有限公司 一种网络切片资源分配方法及***
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CN115428377A (zh) * 2020-04-10 2022-12-02 Oppo广东移动通信有限公司 信道资源的传输方法、装置、网络设备、终端和***
CN116155469A (zh) * 2023-04-19 2023-05-23 三维通信股份有限公司 基站下行控制信道资源调度优化方法、装置和计算机设备
US12028165B2 (en) 2018-11-02 2024-07-02 Zte Corporation HARQ-ACK codebook determination method and apparatus, terminal, and storage medium

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020029172A1 (fr) * 2018-08-09 2020-02-13 Zte Corporation Procédé et appareil de sélection de ressource
CN110535583B (zh) 2018-08-10 2022-05-10 中兴通讯股份有限公司 传输确定方法、装置、基站、终端及计算机可读存储介质
CN110831121B (zh) * 2018-08-10 2022-03-22 展讯通信（上海）有限公司 唤醒信号的碰撞解决方法及装置、存储介质、终端、基站
JP2020031353A (ja) * 2018-08-23 2020-02-27 シャープ株式会社 端末装置、基地局装置、および、通信方法
CN110933752B (zh) 2018-09-20 2022-05-06 华为技术有限公司 通信方法与设备
CN115696589A (zh) * 2019-03-29 2023-02-03 展讯通信（上海）有限公司 资源分配方法及装置、存储介质、用户设备
WO2020206640A1 (fr) * 2019-04-10 2020-10-15 北京小米移动软件有限公司 Procédé d'indication de ressource, et dispositif
US20230156720A1 (en) * 2020-04-02 2023-05-18 Beijing Xiaomi Mobile Software Co., Ltd. Resource scheduling method, apparatus, access network device, terminal and storage medium
CN113812195A (zh) * 2020-04-13 2021-12-17 北京小米移动软件有限公司 物理下行控制信道的配置方法、装置、设备及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102083226A (zh) * 2010-06-08 2011-06-01 大唐移动通信设备有限公司 一种物理资源块资源信息指示及确定方法、设备
CN102907159A (zh) * 2010-05-03 2013-01-30 高通股份有限公司 中继回程传输中物理下行链路共享信道（pdsch）的资源可用性
EP2827663A1 (fr) * 2012-03-16 2015-01-21 Huawei Device Co., Ltd. Procédé, station de base et équipement d'utilisateur pour la transmission d'un signal sur la liaison descendante

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102907159A (zh) * 2010-05-03 2013-01-30 高通股份有限公司 中继回程传输中物理下行链路共享信道（pdsch）的资源可用性
CN102083226A (zh) * 2010-06-08 2011-06-01 大唐移动通信设备有限公司 一种物理资源块资源信息指示及确定方法、设备
EP2827663A1 (fr) * 2012-03-16 2015-01-21 Huawei Device Co., Ltd. Procédé, station de base et équipement d'utilisateur pour la transmission d'un signal sur la liaison descendante

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US12028165B2 (en) 2018-11-02 2024-07-02 Zte Corporation HARQ-ACK codebook determination method and apparatus, terminal, and storage medium
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CN113473627A (zh) * 2021-07-13 2021-10-01 上海中兴易联通讯股份有限公司 一种用于nr***资源复用的方法和实现资源复用的nr***
CN113473627B (zh) * 2021-07-13 2023-04-07 上海中兴易联通讯股份有限公司 一种用于nr***资源复用的方法和实现资源复用的nr***
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CN113692057A (zh) * 2021-08-26 2021-11-23 中信科移动通信技术股份有限公司 一种网络切片资源分配方法及***
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CN116155469A (zh) * 2023-04-19 2023-05-23 三维通信股份有限公司 基站下行控制信道资源调度优化方法、装置和计算机设备

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