WO2016154840A1 - 控制信息的发送方法、用户设备和基站 - Google Patents
控制信息的发送方法、用户设备和基站 Download PDFInfo
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- WO2016154840A1 WO2016154840A1 PCT/CN2015/075357 CN2015075357W WO2016154840A1 WO 2016154840 A1 WO2016154840 A1 WO 2016154840A1 CN 2015075357 W CN2015075357 W CN 2015075357W WO 2016154840 A1 WO2016154840 A1 WO 2016154840A1
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- control information
- downlink control
- allocations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
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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
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1893—Physical mapping arrangements
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L2001/125—Arrangements for preventing errors in the return channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/143—Downlink power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
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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
Definitions
- the embodiments of the present invention relate to communication technologies, and in particular, to a method for transmitting control information, a user equipment, and a base station.
- LTE Long Term Evolution
- UMTS Universal Mobile Telecommunications System
- 3GPP 3rd Generation Partnership Project
- OFDM Orthogonal Frequency Division Multiplexing
- MIMO Multi-Input & Multi-Output
- the downlink and uplink of the LTE system are based on Orthogonal Frequency Division Multiplexing Access (OFDMA) and Single Carrier-Frequency Division Multiplexing Access (SC-FDMA).
- OFDM Orthogonal Frequency Division Multiplexing Access
- SC-FDMA Single Carrier-Frequency Division Multiplexing Access
- the frequency resource is divided into OFDM or SC-FDMA symbols (hereinafter referred to as time domain symbols) in the time domain dimension and subcarriers in the frequency domain dimension, and the smallest resource granularity is called a Resource Element (RE), that is, Represents a time domain symbol on the time domain and a time-frequency grid consisting of one subcarrier on the frequency domain.
- RE Resource Element
- the transmission of the service in the LTE system is based on an Evolved NodeB (eNB).
- eNB Evolved NodeB
- the basic time unit of the scheduling is one subframe, and one subframe includes multiple time domain symbols.
- the specific scheduling process is that the base station sends a control channel, such as a physical downlink control channel (PDCCH) or an enhanced physical downlink control channel (EPDCCH), which can carry a physical downlink shared channel (Physical). Downlink Shared Channel (PDSCH) or Scheduling Information of Physical Uplink Shared Channel (PUSCH), which includes control information such as resource allocation information and adjustment coding mode.
- PDSCH physical downlink control channel
- PUSCH Scheduling Information of Physical Uplink Shared Channel
- a user equipment User Equipment, UE for short
- the scheduling information carried is used for receiving the downlink data channel or transmitting the uplink data channel.
- LTE supports two types of duplex modes: Frequency Division Multiplexing (FDD) and Time Duplexing Division (TDD).
- FDD Frequency Division Multiplexing
- TDD Time Duplexing Division
- the downlink and uplink are transmitted on different carriers.
- the uplink and the downlink are transmitted at different times of the same carrier, and specifically include a downlink subframe, an uplink subframe, and a special subframe on one carrier.
- LTE currently supports 7 different TDD uplink and downlink configurations.
- LTE adopts Hybrid Automatic Repeat Request (HARQ) mechanism to implement error detection and error correction.
- HARQ Hybrid Automatic Repeat Request
- the UE sends feedback confirmation on the PUCCH.
- ACK feedback non-acknowledgement
- NACK feedback non-acknowledgement
- LTE also supports Carrier Aggregation (CA) technology, in which a base station allocates multiple carriers to one UE to increase the data rate of the UE.
- CA Carrier Aggregation
- the UE can separately detect the PDCCH and the corresponding PDSCH for each carrier. The specific detection process of each carrier is similar to the single carrier case.
- the LTE system supports FDD CA, TDD CA, and FDD+TDD CA.
- TDD CA For the TDD CA, it is further divided into a TDD CA with the same uplink and downlink configuration and a TDD CA with different uplink and downlink configurations.
- joint coding is usually employed.
- the uplink control signaling mainly has two coding modes, one is a linear block code Reed Muller (RM), and the other is a convolutional code. Regardless of the coding mode, when the base station needs to know the total number of original information bits of the joint coding in the normal decoding mode, the correct decoding can be performed.
- RM linear block code Reed Muller
- the UE calculates the total number of original information bits of the HARQ-ACK joint coding according to the number of PDSCHs on the detected downlink carrier. For this case, once the UE misses the PDSCH of a certain downlink carrier, the UE understands The number of carriers with PDSCH is less than the number of carriers that the eNB actually transmits the PDSCH, and the UE will feed back the HARQ-ACK for the PDSCH detected by itself, but the eNB does not know whether the UE has missed detection, and how many PDSCH miss detections occur, thereby The base station is unable to correctly decode the HARQ-ACK fed back by the UE.
- the embodiment of the present invention provides a method for transmitting control information, a user equipment, and a base station, so as to solve the problem that the base station cannot correctly decode the hybrid automatic retransmission response message fed back by the user equipment due to the missed detection of the user equipment.
- an embodiment of the present invention provides a user equipment, including:
- the receiving module is configured to receive at least one first downlink control information that is sent by the base station, where each of the first downlink control information carries a downlink allocation index, and at least one of the first downlink control information further carries a total number of downlink allocations;
- a processing module configured to generate a hybrid automatic retransmission response message according to the total downlink allocation, the downlink allocation index of each first downlink control information, and the physical downlink shared channel corresponding to each of the first downlink control information;
- a sending module configured to send the hybrid automatic retransmission response message to the base station
- the downlink allocation index is used to indicate an index of a physical downlink shared channel corresponding to downlink control information that carries the downlink allocation index, or an index of a physical downlink control channel used to indicate downlink semi-persistent scheduling release, or to indicate carrying The physical downlink shared channel corresponding to the downlink control information of the downlink allocation index and the index of the physical downlink control channel released by the downlink semi-persistent scheduling, where the total number of downlink allocations is the number of physical downlink shared channels corresponding to each downlink control information, or The sum of the number of physical downlink control channels released by the downlink semi-persistent scheduling, and the number of physical downlink shared channels corresponding to the downlink control information and the number of physical downlink control channels released by the downlink semi-persistent scheduling.
- the processing module is configured to use, according to the total number of downlink allocations, a downlink allocation index of each first downlink control information, and the first The physical downlink shared channel corresponding to the row control information generates a hybrid automatic retransmission response message, including:
- the response information of the physical downlink shared channel corresponding to the second downlink control information is a non-acknowledgment NACK;
- the response information of the physical downlink shared channel corresponding to each first downlink control information and the foregoing is generated by the response information of the physical downlink shared channel corresponding to the downlink control information, and the response information and the physical downlink shared channel corresponding to each first downlink control information in the hybrid automatic retransmission response message
- the order of discharging the response information of the physical downlink shared channel corresponding to the second downlink control information is the same as the order of the downlink allocation indexes of the first downlink control information and the second downlink control information.
- the receiving module is configured to receive, by the base station, at least one first downlink control information that is sent by the base station, Each of the first downlink control information carries a downlink allocation index, and at least one of the first downlink control information further carries a total downlink allocation, including:
- the transmission power control TPC domain in the first downlink control information acquires a total downlink allocation.
- the receiving module is further configured to:
- the sending module is configured to send the hybrid automatic retransmission response message to the base station, including:
- the receiving module is further configured to:
- the sending module is configured to send the hybrid automatic retransmission response message to the base station, including:
- the hybrid automatic retransmission response message is sent to the base station by using a physical uplink control channel format 4;
- a fifth possible implementation manner of the first aspect if there are multiple carriers corresponding to the first downlink control information The carrier number is greater than the first carrier number threshold;
- the receiving module is configured to obtain, by the transmission power control TPC domain in the first downlink control information, the total number of downlink allocations, including:
- the TPC domain in the part of the first downlink control information acquires the total number of downlink allocations, and the TPC domain in the part of the first downlink control information acquires the PUCCH format 4 resource indication.
- the receiving module is configured to obtain a downlink allocation in a TPC domain in a part of the first downlink control information.
- the total number of the TPC field in the part of the first downlink control information is used to obtain the PUCCH format 4 resource indication, including:
- the TPC domain in the first downlink control information acquires the total number of downlink allocations
- the TPC field in the first downlink control information acquires a PUCCH format 4 resource indication.
- the receiving module is configured to receive, by the base station, the at least one first downlink control information that is sent by the base station, Each of the first downlink control information carries a downlink allocation index, and at least one of the first downlink control information further carries a total downlink allocation, including:
- the TPC domain in the first downlink control information corresponding to the downlink allocation index acquires the total downlink allocation.
- the downlink allocation index of the multiple first downlink control information is greater than the second threshold
- the receiving module is configured to obtain a total number of downlink allocations in a TPC domain in the first downlink control information corresponding to the downlink allocation index, including:
- the TPC domain in the part of the first downlink control information acquires the total number of downlink allocations, and the TPC domain in the part of the first downlink control information acquires the PUCCH format 4 resource indication.
- the receiving module is configured to obtain, in a part of the first downlink control information, a total number of downlink allocations in a TPC domain.
- the TPC field in the part of the first downlink control information acquires the PUCCH format 4 resource indication, including:
- the TPC in the first downlink control information The domain obtains the total number of downlink allocations
- the TPC in the first downlink control information obtains a PUCCH format 4 resource indication.
- the receiving module is configured to receive, by the base station, at least one first downlink control information that is sent by the base station, Each of the first downlink control information carries a downlink allocation index, and at least one of the first downlink control information further carries a total downlink allocation, including:
- Receiving at least one first downlink control information sent by the base station acquiring a downlink allocation index of each first downlink control information, and acquiring a total downlink allocation total in a downlink allocation total field of each first downlink control information.
- the receiving module is configured to receive, by the base station, at least one downlink control information, where A downlink control information carries a downlink allocation index, and at least one of the first downlink control information further carries a total downlink allocation, including:
- the domain obtains the total number of downlink allocations.
- the receiving module is configured to receive at least one first downlink control information that is sent by the base station
- Each of the first downlink control information carries a downlink allocation index, and at least one of the first downlink control information further carries a total downlink allocation, including:
- the first downlink control information is descrambled, and the total downlink allocation and the first downlink control are acquired.
- the downlink allocation index of the information is acquired.
- an embodiment of the present invention provides a base station, including:
- the sending module is configured to send at least one downlink control information to the user equipment, where each downlink control information carries a downlink allocation index, and at least one downlink control information further carries a total downlink allocation.
- a receiving module configured to receive, by the user equipment, a hybrid automatic retransmission response message sent according to the total downlink allocation, a downlink allocation index of each first downlink control information, and a physical downlink shared channel corresponding to each first downlink control information.
- a processing module configured to acquire, according to the hybrid automatic retransmission response message, response information of a physical downlink shared channel corresponding to each downlink control information
- the downlink control information includes the first downlink control information and the second downlink control information, where each downlink allocation index is used to indicate an index of the physical downlink shared channel corresponding to the downlink control information that carries the downlink allocation index, or is used for An index indicating a physical downlink control channel that is released by the downlink semi-persistent scheduling, or an index of the physical downlink shared channel corresponding to the downlink control information that carries the downlink allocation index and a physical downlink control channel that is released by the downlink semi-persistent scheduling,
- the total number of downlink downlink allocations is the number of physical downlink shared channels corresponding to each downlink control information, or the number of physical downlink control channels released by downlink semi-persistent scheduling, or the number of physical downlink shared channels corresponding to each downlink control information. The sum of the number of physical downlink control channels released by the downlink semi-persistent scheduling.
- the sending module is configured to send, to the user equipment, at least one downlink control information, where each downlink control information carries a downlink allocation index, and at least one of the downlinks
- the control information also carries the total number of downlink allocations, including:
- the total downlink allocation is set in the transmission power control TPC field in the downlink control information
- a carrier number of the carrier corresponding to the multiple downlink control information is greater than the first carrier Number threshold
- the transmitting module is configured to set a total number of downlink allocations in the transmission power control TPC domain in the downlink control information, including:
- the total number of downlink allocations is set in a TPC domain in the part of the downlink control information, and the physical uplink control channel PUCCH format 4 resource indication is set in a part of the TPC domain in the downlink control information.
- the sending module is configured to set a total number of downlink allocations in a part of the TPC domain in the downlink control information, And setting the physical uplink control channel PUCCH format 4 resource indication to the TPC domain in the part of the downlink control information, including:
- the carrier number of the carrier corresponding to the downlink control information is greater than the first carrier number threshold, and the parity of the carrier number of the carrier corresponding to the downlink control information is the same as the first carrier number threshold, And the total number of downlink allocations is set in a TPC domain in the downlink control information;
- the PUCCH format 4 resource indication is set in the TPC domain in the downlink control information.
- the sending module is configured to send, to the user equipment, at least one downlink control information, where each downlink control information carries a downlink allocation index, and at least one of the downlinks
- the control information also carries the total number of downlink allocations, including:
- the total downlink allocation is set in the TPC domain in the downlink control information
- the sending module is configured to set the total number of the downlink allocations in the TPC domain in the downlink control information, including:
- the total number of the downlink allocations is set in a part of the TPC field in the downlink control information, and the PUCCH format 4 resource indication is set in a part of the TPC domain in the downlink control information.
- the sending module is configured to set the total number of the downlink allocations to a portion of the downlink control information
- the domain, the PUCCH format 4 resource indication is set in the TPC domain in the part of the downlink control information, including:
- the total downlink allocation is set in the downlink control information. TPC domain;
- the downlink allocation index of the downlink control information is greater than the second threshold, and the parity of the downlink allocation index is different from the second threshold, setting the PUCCH format 4 resource indication to the downlink control information In the TPC domain.
- the sending module is configured to send, to the user equipment, at least one downlink control information, where each downlink control information carries a downlink allocation index, and at least one of the downlinks
- the control information also carries the total number of downlink allocations, including:
- the downlink allocation index of each downlink control information is set in each downlink control information, and the total number of downlink allocations is set in the downlink allocation total field of each downlink control information, and at least one downlink control information is sent to the user equipment.
- the sending module is configured to send, to the user equipment, at least one downlink control information, where each downlink control information carries a downlink allocation index, and at least one of the downlinks
- the control information also carries the total number of downlink allocations, including:
- the sending module And transmitting, by the user equipment, at least one downlink control information, where each downlink control information carries a downlink allocation index, and at least one downlink control information further carries a total downlink allocation, including:
- the downlink control information after the scrambling code and the downlink control information processed by the unscrambled code all carry a downlink allocation index.
- the first to the ninth possible implementation manners of the second aspect in the tenth possible implementation manner of the second aspect, if the total number of downlink allocations is less than 5 a bit, the number of states corresponding to the number of bits occupied by the total number of downlink allocations is obtained, and the total number of the downlink allocations is used to obtain a state corresponding to the total number of downlink allocations, and the total number of downlink allocations is used.
- the status indicates the total number of downlink allocations.
- an embodiment of the present invention provides a method for sending control information, including:
- each of the first downlink control information carries a downlink allocation index, and at least one of the first downlink control information further carries a total number of downlink allocations;
- the downlink allocation index is used to indicate an index of a physical downlink shared channel corresponding to downlink control information that carries the downlink allocation index, or an index of a physical downlink control channel used to indicate downlink semi-persistent scheduling release, or to indicate carrying The physical downlink shared channel corresponding to the downlink control information of the downlink allocation index and the index of the physical downlink control channel released by the downlink semi-persistent scheduling, where the total number of downlink allocations is the number of physical downlink shared channels corresponding to each downlink control information, or The sum of the number of physical downlink control channels released by the downlink semi-persistent scheduling, and the number of physical downlink shared channels corresponding to the downlink control information and the number of physical downlink control channels released by the downlink semi-persistent scheduling.
- the determining, by the downlink allocation, the downlink allocation index of each first downlink control information, and the first downlink control generates a hybrid automatic retransmission response message, including:
- the response information of the physical downlink shared channel corresponding to the second downlink control information is a non-acknowledgment NACK;
- the hybrid automatic repeat transmission response message According to the response information of the physical downlink shared channel corresponding to the first downlink control information and the response information of the physical downlink shared channel corresponding to the second downlink control information, where the hybrid automatic retransmission is performed. And a response sequence of the physical downlink shared channel corresponding to the first downlink control information and a sequence of the response information of the physical downlink shared channel corresponding to the second downlink control information, and the first downlink control information. And the order of the downlink allocation index of the second downlink control information is the same.
- the receiving, by the receiving, the at least one first downlink control information the at least one first downlink control information
- the row control information carries a downlink allocation index
- at least one of the first downlink control information further carries a total number of downlink allocations, including:
- the transmission power control TPC domain in the first downlink control information acquires a total downlink allocation.
- the method further includes:
- the sending the hybrid automatic retransmission response message to the base station includes:
- the method further includes:
- the sending the hybrid automatic retransmission response message to the base station includes:
- the hybrid automatic retransmission response message is sent to the base station by using a physical uplink control channel format 4;
- a fifth possible implementation manner of the third aspect if there are multiple carriers corresponding to the first downlink control information The carrier number is greater than the first carrier number threshold;
- the transmission power control TPC domain in the first downlink control information acquires a total number of downlink allocations, including:
- the TPC domain in the part of the first downlink control information acquires the total number of downlink allocations, and the TPC domain in the part of the first downlink control information acquires the PUCCH format 4 resource indication.
- the TPC domain in the part of the first downlink control information acquires a total downlink allocation, in part
- the TPC field in the first downlink control information acquires a PUCCH format 4 resource indication, including:
- the TPC domain in the first downlink control information acquires the total number of downlink allocations
- the TPC field in the first downlink control information acquires a PUCCH format 4 resource indication.
- the receiving, by the receiving, the at least one first downlink control information the at least one first downlink control information
- the row control information carries a downlink allocation index
- at least one of the first downlink control information further carries a total number of downlink allocations, including:
- the TPC domain in the first downlink control information corresponding to the downlink allocation index acquires the total downlink allocation.
- the downlink allocation index of the multiple first downlink control information is greater than the second threshold
- the TPC domain in the first downlink control information corresponding to the downlink allocation index acquires a total downlink allocation, including:
- the TPC domain in the part of the first downlink control information acquires the total number of downlink allocations, and the TPC domain in the part of the first downlink control information acquires the PUCCH format 4 resource indication.
- the TPC domain in the part of the first downlink control information acquires a total number of downlink allocations, in part first
- the TPC field in the downlink control information acquires the PUCCH format 4 resource indication, including:
- the TPC in the first downlink control information The domain obtains the total number of downlink allocations
- the TPC in the first downlink control information obtains a PUCCH format 4 resource indication.
- the receiving, by the receiving, the at least one first downlink control information the at least one first downlink control information
- the row control information carries a downlink allocation index
- at least one of the first downlink control information further carries a total number of downlink allocations, including:
- each first The downlink control information carries a downlink allocation index
- at least one of the first downlink control information further carries a total downlink allocation, including:
- the first downlink control information is descrambled, and the total downlink allocation and the first downlink control are acquired.
- the downlink allocation index of the information is acquired.
- an embodiment of the present invention provides a method for sending control information, including:
- each downlink control information carries a downlink allocation index, and at least one downlink control information further carries a total number of downlink allocations;
- the downlink control information includes the first downlink control information and the second downlink control information, where each downlink allocation index is used to indicate an index of the physical downlink shared channel corresponding to the downlink control information that carries the downlink allocation index, or is used for An index indicating a physical downlink control channel that is released by the downlink semi-persistent scheduling, or an index of the physical downlink shared channel corresponding to the downlink control information that carries the downlink allocation index and a physical downlink control channel that is released by the downlink semi-persistent scheduling,
- the total number of downlink allocations is the number of physical downlink shared channels corresponding to each downlink control information, or downlink semi-persistent scheduling. The sum of the number of physical downlink control channels released, or the number of physical downlink shared channels corresponding to the downlink control information, and the number of physical downlink control channels released by downlink semi-persistent scheduling.
- the total number of downlink allocations including:
- the total downlink allocation is set in the transmission power control TPC field in the downlink control information
- a second possible implementation manner of the fourth aspect if the carrier number of the carrier corresponding to the multiple downlink control information is greater than the first carrier threshold ;
- the transmission power control TPC domain that sets the total number of downlink allocations in the downlink control information includes:
- the total number of downlink allocations is set in a TPC domain in the part of the downlink control information, and the physical uplink control channel PUCCH format 4 resource indication is set in a part of the TPC domain in the downlink control information.
- the channel PUCCH format 4 resource indicates a TPC field set in a part of the downlink control information, and includes:
- the carrier number of the carrier corresponding to the downlink control information is greater than the first carrier number threshold, and the parity of the carrier number of the carrier corresponding to the downlink control information is the same as the first carrier number threshold, And the total number of downlink allocations is set in a TPC domain in the downlink control information;
- the PUCCH format 4 resource indication is set in the TPC domain in the downlink control information.
- the total number of downlink allocations including:
- a fifth possible implementation manner of the fourth aspect if the downlink allocation index of the multiple downlink control information is greater than the second threshold;
- the setting of the total number of the downlink allocations in the TPC domain in the downlink control information includes:
- the total number of the downlink allocations is set in a part of the TPC field in the downlink control information, and the PUCCH format 4 resource indication is set in a part of the TPC domain in the downlink control information.
- the format 4 resource indicates the TPC domain set in the part of the downlink control information, including:
- the total downlink allocation is set in the downlink control information. TPC domain;
- the downlink allocation index of the downlink control information is greater than the second threshold, and the parity of the downlink allocation index is different from the second threshold, setting the PUCCH format 4 resource indication to the downlink control information In the TPC domain.
- each downlink control information carries a downlink allocation index
- at least one of the downlink control information is further carried
- the total number of downlink allocations including:
- the downlink allocation index of each downlink control information is set in each downlink control information, and the total number of downlink allocations is set in the downlink allocation total field of each downlink control information, and at least one downlink control information is sent to the user equipment.
- the sending, by the user equipment, the at least one downlink control information, where each downlink control information carries a downlink allocation index, to One less downlink control information also carries the total number of downlink allocations, including:
- the device that is configured to send the at least one downlink control information to the user equipment, where each downlink control information carries a downlink allocation index, and at least one of the downlink control information is further carried
- the total number of downlink allocations including:
- the downlink control information after the scrambling code and the downlink control information processed by the unscrambled code all carry a downlink allocation index.
- the first to the ninth possible implementation manners of the fourth aspect in the tenth possible implementation manner of the fourth aspect, if the total number of downlink allocations is less than 5 a bit, the number of states corresponding to the number of bits occupied by the total number of downlink allocations is obtained, and the total number of the downlink allocations is used to obtain a state corresponding to the total number of downlink allocations, and the total number of downlink allocations is used.
- the status indicates the total number of downlink allocations.
- the method for transmitting control information, the user equipment, and the device in the embodiment of the present invention the receiving, by the receiving module of the user equipment, the at least one first downlink control information that is sent by the base station, where each of the first downlink control information carries a downlink allocation index, where at least The first downlink control information further carries the total number of downlink allocations, and the processing module of the user equipment can determine the downlink control information of the missed detection according to the total number of downlink allocations and the downlink allocation index of each first downlink control information, and then combine the received
- the physical downlink shared channel corresponding to each of the first downlink control information generates a hybrid automatic retransmission response message, where the hybrid automatic retransmission response message includes response information of all downlink control information sent by the user equipment to the base station, so the base station can
- the automatic retransmission response message is correctly decoded, and the user equipment in this embodiment can also effectively reduce the feedback of the useless information of the user equipment, thereby improving the transmission performance of the uplink control information
- Embodiment 1 is a schematic structural diagram of Embodiment 1 of a user equipment according to the present invention.
- Embodiment 1 of a base station according to the present invention is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
- Embodiment 3 is a flowchart of Embodiment 1 of a method for transmitting control information according to the present invention
- Embodiment 4 is a flowchart of Embodiment 2 of a method for transmitting control information according to the present invention
- Embodiment 3 is a flowchart of Embodiment 3 of a method for transmitting control information according to the present invention
- Embodiment 4 is a flowchart of Embodiment 4 of a method for transmitting control information according to the present invention
- Embodiment 7 is a flowchart of Embodiment 5 of a method for transmitting control information according to the present invention.
- Embodiment 8 is a flowchart of Embodiment 6 of a method for transmitting control information according to the present invention.
- Embodiment 9 is a flowchart of Embodiment 7 of a method for transmitting control information according to the present invention.
- Embodiment 8 is a flowchart of Embodiment 8 of a method for transmitting control information according to the present invention.
- Embodiment 9 is a flowchart of Embodiment 9 of a method for transmitting control information according to the present invention.
- Embodiment 12 is a flowchart of Embodiment 10 of a method for transmitting control information according to the present invention.
- Embodiment 11 is a flowchart of Embodiment 11 of a method for transmitting control information according to the present invention.
- FIG. 14 is a flowchart of Embodiment 12 of a method for transmitting control information according to the present invention.
- the embodiment of the present invention relates to the control information transmission between the base station and the user equipment, and is mainly based on the current carrier aggregation architecture.
- the base station sends control information to the user equipment, where the control information may carry scheduling information, and the user equipment according to the scheduling Information is received or sent for processing, and The feedback processing result is sent to the base station through the PUCCH.
- the PUCCH transmission mode in the carrier aggregation mode includes two modes: a channel selection mode and a PUCCH format 3.
- PUCCH format 1a/1b is used for ACK/NACK feedback, but the channel selection mode supports carrier aggregation of two carriers at most, so it is limited in the application mode of the CA mode, and the PUCCH format 3 mode adopts DFT-
- the S-OFDM transmission structure can support up to 20 ACK/NACK transmissions, and can support TDD CAs of 5 carriers.
- the TDD uplink and downlink configuration 2 of the mainstream deployment in the current TDD network is taken as an example, in a specific LTE system.
- the different TDD uplink and downlink configurations are shown in Table 1.
- the timing relationship between the PDSCH and its corresponding ACK/NACK in the TDD system is shown in Table 2.
- the uplink subframe 2 of one carrier can support the feedback of 4 ACK/NACK bits, and the TDD of 5 carriers.
- the CA of the uplink and downlink configuration 2 is 20 ACK/NACK bits.
- the TDD carrier is the primary carrier, and the ratio is TDD ratio 5, and the other carriers are FDD carriers.
- the information (whether the HARQ-ACK bits corresponding to the unscheduled carriers are known and can be used as a priori information) to perform maximum likelihood detection to improve the decoding performance, so the feedback is determined based on the number of carriers configuring the carrier set.
- the number of HARQ-ACK codebooks if the number of carriers of the DL CC set or the activated carrier set of the system semi-statically configured is used to calculate the feedback HARQ-ACK codes of multiple downlink carriers.
- the number (that is, the total number of information bits) will result in the UE using padding bits (such as 0 bits) as the original information bits of the downlink carriers that do not need to feed back the corresponding HARQ-ACK.
- the original information bit of the downlink carrier of the feedback UCI is jointly encoded and transmitted on one PUCCH or PUSCH, which wastes power transmission of useless information on the one hand, and reduces the need for feedback on the other hand. UCI transmission performance.
- the present invention can effectively solve the above problem by using the method for transmitting control information in the following embodiments. For specific implementations, refer to the detailed explanation of the following embodiments.
- the user equipment in this embodiment may include: a receiving module 11, a processing module 12, and a sending module 13, where the receiving module 11 is configured to receive a base station.
- each of the first downlink control information carries a downlink allocation index
- at least one of the first downlink control information further carries a total number of downlink allocations
- the processing module 12 is configured to allocate according to the downlink The total number, the downlink allocation index of each first downlink control information, and the physical downlink shared channel corresponding to each first downlink control information generate a hybrid automatic repeat response message
- the sending module 13 is configured to send the hybrid to the base station. Automatically retransmit the reply message.
- the total number of downlink downlinks is the number of physical downlink shared channels corresponding to the downlink control information, or the number of physical downlink control channels released by the downlink semi-persistent scheduling, or the downlink control The sum of the number of physical downlink shared channels corresponding to the information and the number of physical downlink control channels released by the downlink semi-persistent scheduling.
- the downlink allocation index is used to indicate an index of a physical downlink shared channel corresponding to downlink control information that carries the downlink allocation index, or an index of a physical downlink control channel used to indicate downlink semi-persistent scheduling release, or to indicate carrying An index of the physical downlink shared channel corresponding to the downlink control information of the downlink allocation index and the physical downlink control channel released by the downlink semi-persistent scheduling.
- the downlink allocation index of each first downlink control information sent by the base station indicates the index of the physical downlink shared channel corresponding to the first downlink control information, and correspondingly, the total downlink allocation is the first downlink control.
- the number of physical downlink shared channels corresponding to the information; or the part of the downlink allocation index of each first downlink control information sent by the base station indicates an index of the physical downlink shared channel corresponding to the first downlink control information, and the part indicates the downlink half
- the number of physical downlink control channels corresponding to the first downlink control information and the number of physical downlink control channels released by the downlink semi-persistent scheduling are corresponding to the index of the physical downlink control channel that is released by the static scheduling.
- the downlink allocation of the first downlink control information sent by the base station indicates the index of the physical downlink control channel released by the downlink semi-persistent scheduling, and correspondingly, the total downlink allocation is the physical downlink released by the downlink semi-persistent scheduling.
- the Downlink Assignment Index (DAI) is used to indicate the PDSCH allocated on the downlink associated subframe set on the scheduled one or more carriers and the cumulative PDCCH/ePDCCH indicating the downlink SPS release.
- the total number of downlink allocations is used to indicate the total number of PDCCHs indicating the scheduled PDSCH and/or SPS release.
- the total number of downlink allocations and the number of bits of the downlink allocation index may be any one of 2 bits to 8 bits.
- the user equipment in this embodiment first receives the first downlink control information sent by the base station, and further, according to the total downlink allocation, the downlink allocation index of each first downlink control information, and the physical downlink shared channel corresponding to each first downlink control information.
- Generating a hybrid automatic retransmission response message where the number of the response information in the hybrid automatic retransmission response message is the same as the total number of the downlink allocations, and the user equipment sends the hybrid automatic retransmission response message to the base station, because the user equipment can receive The total number of downlink allocations sent by the base station, so that the user equipment can determine the downlink control information of the missed detection according to the total number of downlink allocations and the downlink allocation index of each first downlink control information, and further combine the received first downlink control information.
- the hybrid automatic retransmission response message includes a feedback response of the user equipment to all the downlink control information sent by the base station, and all the downlink control information sent by the base station includes the first downlink control information received by the user equipment, It also includes downlink control information for user equipment missed detection.
- the downlink allocation indexes of the first downlink control information received by the user equipment are 1, 3, 4, and 6, respectively, and the total number of downlink allocations is 7, according to the total number of downlink allocations and the first downlink control information.
- the downlink allocation index can determine the downlink control information of the missed detection, and the downlink allocation indexes of the downlink control information of the missed detection are 2, 5, and 7.
- the number of the response information in the hybrid automatic retransmission response message sent by the user equipment to the base station is the same as the total number of downlink allocations, so that the hybrid automatic retransmission response that the base station cannot correctly feed back to the user equipment due to the missed detection of the user equipment can be effectively solved.
- the problem of decoding a message is ACK or NACK, and the number of response information is the total number of ACKs and/or NACKs, and ACK and/or NACK indicates ACK, or NACK, or ACK and NACK.
- the processing module 12 is configured to generate a hybrid automatic retransmission response according to the total downlink allocation, the downlink allocation index of each first downlink control information, and the physical downlink shared channel corresponding to each first downlink control information.
- the specific implementation manner may be: the user equipment generates the response information of the physical downlink shared channel corresponding to each first downlink control information according to whether the decoding of the physical downlink shared channel corresponding to the first downlink control information is correct.
- the response information of the physical downlink shared channel corresponding to the second downlink control information is a non-acknowledgement NACK;
- the response information of the physical downlink shared channel corresponding to each first downlink control information and the physical downlink corresponding to the second downlink control information Responsive information of the shared channel generates the hybrid automatic repeat response message, the hybrid
- the order of the physical downlink shared channel corresponding to the first downlink control information and the response sequence of the physical downlink shared channel corresponding to the second downlink control information in the automatic retransmission response message, and the first The order of the downlink control index of the row control information and the second downlink control information is the same.
- the second downlink control information is the downlink control information that is missed.
- the second downlink control information and the first downlink control information are downlink control information sent by the base station to the user equipment.
- the reason is that when the base station sends multiple downlink control information to the user equipment, the user equipment may be missed.
- the downlink control information that is missed by the user equipment is referred to as the second downlink control information, and the first downlink control is used. Information is made to distinguish.
- the user equipment first generates response information of the physical downlink shared channel corresponding to each first downlink control information according to the correct decoding of the physical downlink shared channel corresponding to each received first downlink control information, and the response information
- the method includes: decoding the correct acknowledgment information ACK, and decoding the erroneous unacknowledged information NACK, and then sorting the downlink allocation indexes of the first downlink control information to obtain a sorting result, where the sorting result may be a downlink allocation index from small to large.
- the sequential ordering may also be that the downlink allocation index is sorted in descending order from large to small.
- the ranking result of the downlink allocation index of the received first downlink control information and the total number of downlink allocations may be used to determine the second downlink control of the missed detection.
- the information, and the downlink allocation index of the second downlink control information because the second control information is missed by the user equipment, the response information of the physical downlink shared channel corresponding to the second downlink control information is only the non-confirmation information NACK, thereby generating hybrid automatic Retransmitting the response message, the hybrid automatic retransmission response message includes the first downlink
- the downlink allocation index is in the same order, and the downlink control information includes the first downlink control information and the second downlink control information.
- the user equipment receives 5 DCIs, and the DAI of each DCI is 3, 1, 4, 6, and 7, respectively, and the total number of downlink allocations received is 9, first, according to the PDSCH corresponding to the received DCI. If the decoding is correct or not, the response information is generated. If the decoding is correct, the response information is 1 and then the DAI of the received DCI is sorted. The sorting result is 1, 3, 4, 6, and 7. The HARQ-ACK is 11111, and the HARQ-ACK at this time does not include the response information of the missed detection information.
- the method according to the embodiment of the present invention can determine that the downlink allocation index is 2, 5, 8, and 9 according to the ranking result and the total number of downlink allocations 9.
- the HARQ-ACK finally sent to the base station is generated according to the response information of the downlink control information that is not missed and the downlink control information that is missed.
- the HARQ-ACK is 101101100.
- the receiving module of the user equipment receives the at least one first downlink control information that is sent by the base station, and each of the first downlink control information carries a downlink allocation index, where at least one first downlink control information further carries a downlink allocation.
- the total number the processing module of the user equipment can determine itself according to the total number of downlink allocations and the downlink allocation index of each first downlink control information.
- the downlink control information of the missed detection further generates a hybrid automatic repeat response message according to the received physical downlink shared channel corresponding to each of the first downlink control information, where the hybrid automatic repeat response message includes all downlink control sent by the user equipment to the base station.
- the response information of the information so the base station can correctly decode the hybrid automatic retransmission response message, and the user equipment in this embodiment can also effectively reduce the feedback of the useless information of the user equipment, thereby improving the transmission performance of the uplink control information.
- the user equipment embodiment of the present invention can effectively reduce the feedback of the useless information of the user equipment, and improve the transmission performance of the uplink control information.
- the technical effect is explained as follows. Specifically, the foregoing user equipment embodiment of the present invention is based on The total number of downlink allocations scheduled by the base station is sent to the user equipment, and the user equipment only needs to feedback the information scheduled by the base station, so that the feedback of the useless information can be effectively reduced.
- the FFD carrier aggregation is used here to configure 32 downlink carriers for the user equipment. For example, a scenario in which only six downlink carriers are scheduled for the user equipment is illustrated.
- the HARQ-ACK is fed back based on the number of existing configured carriers, 32 downlink carriers are configured for the user equipment, and the user equipment needs to feed back 32 bits.
- the HARQ-ACK is illustrated by a carrier corresponding to a 1-bit HARQ-ACK.
- the user equipment only needs to feed back 6-bit HARQ-ACK, thereby effectively reducing the overhead of 26 bits.
- the receiving module 11 of the first embodiment of the user equipment of the present invention is configured to receive at least one first downlink control information that is sent by the base station, where each first downlink control information carries a downlink allocation index, and at least one of the first downlink control information is further Carrying the total number of downlink assignments, there are many different implementations, that is, how the user equipment obtains the total number of downlink assignments carried in the first downlink control information, which has many different implementation modes. The following five implementation manners are implemented. Explain in detail.
- the user equipment of the second embodiment of the present invention may be the same as that of the user equipment embodiment 1, except that the receiving module 11 of the second embodiment of the user equipment of the present invention is specifically used.
- setting a first carrier number threshold receiving at least one first downlink control information sent by the base station, acquiring a downlink allocation index of each first downlink control information; and if the carrier of the carrier corresponding to the first downlink control information If the number is greater than the first carrier number threshold, the transmission power control TPC domain in the first downlink control information acquires the total downlink allocation.
- the receiving module 11 acquires the total number of downlink allocations in the TPC domain in the first downlink control information in which the carrier number of the carrier carrying the first downlink control information is greater than the first carrier number threshold.
- the receiving module 11 is further configured to: receive the threshold number of the first carrier that is sent by the base station. That is, the first carrier number threshold may be a standard or system-set value, or the base station may notify the user equipment by signaling. For the TDD carrier aggregation, the first carrier number threshold may be 5. For the FDD carrier aggregation, the first carrier number threshold may be 10 or 20.
- the sending module 13 needs to send the hybrid automatic retransmission response message to the base station, and the specific sending manner may be the following two types:
- the receiving module 11 of the user equipment is further configured to receive the number of configured carriers sent by the base station; correspondingly, the sending module 13 is configured to send the hybrid automatic retransmission response message to the base station, where If the number of the configured carriers is greater than the first threshold, the hybrid automatic retransmission response message is sent to the base station by using the physical uplink control channel format 4; if the number of configured carriers is less than or equal to the number A threshold is used to send the hybrid automatic repeat response message to the base station in a physical uplink control channel format 3.
- the first threshold may be 5, and the maximum number of supported HARQ-ACKs in the existing standard PUCCH format 3 is 21 bits or 20 bits or 22 bits, corresponding to supporting 5 carrier aggregation, when the user equipment is configured with configured carriers.
- the HARQ-ACK is sent in a new PUCCH format (PUCCH format 4).
- the HARQ-ACK is transmitted in the PUCCH format 3.
- the processing module 12 of the user equipment is further configured to: obtain a threshold number of bits of the hybrid automatic retransmission response message supported by the predefined physical uplink control channel; correspondingly, the sending module 13 is configured to And sending, by the base station, the hybrid automatic retransmission response message, if the total number of downlink allocations is greater than a threshold number of the number of hybrid automatic retransmission acknowledgements supported by the physical uplink control channel, adopting a physical uplink control channel format
- the base station sends the hybrid automatic retransmission response message; if the total number of downlink allocations is less than or equal to a threshold number of bits of the hybrid automatic retransmission response message supported by the physical uplink control channel, the physical uplink control channel format is used.
- the base station sends the hybrid automatic repeat response message.
- the user equipment may
- the threshold of the number of configured carriers sent by the receiving base station may be set to 5, which may be the same as the value of the first threshold, and the hybrid supported by the physical uplink shared channel may be obtained according to the configured threshold number of carriers.
- the bit number threshold of the hybrid automatic retransmission response message supported by the physical uplink shared channel may also be set in a protocol or a standard, and the total number of downlink allocations and the And determining, by using a PUCCH format 4 or a PUCCH format 3, a hybrid automatic retransmission response message, in a size relationship of a bit number threshold of a hybrid automatic retransmission response message supported by the physical uplink shared channel.
- the threshold number of bits of the hybrid automatic retransmission response message may be 21 bits or 20 bits or 22 bits.
- the hybrid automatic repeat response message may also be transmitted using the channel selection of PUCCH format 1a/1b or PUCCH format 1a/1b. It should be noted that the user equipment may send the hybrid automatic retransmission response message in the foregoing manner, but there is a case that if the user equipment does not receive the total downlink allocation, the hybrid automatic retransmission response message may be directly sent in the PUCCH format 3. .
- the receiving module 11 of the user equipment is used in the first downlink.
- the specific implementation manner of the transmission power control in the control information to obtain the total number of downlink allocations in the TPC domain may be: obtaining the total number of downlink allocations in the TPC domain in the part of the first downlink control information, in some of the first downlink control information.
- the TPC domain obtains the PUCCH format 4 resource indication.
- the carrier number of the carrier corresponding to the first downlink control information is greater than the first carrier number threshold, and the carrier number of the carrier corresponding to the first downlink control information is If the parity is the same as the threshold of the first carrier, the TPC domain in the first downlink control information acquires the total number of downlink allocations; if the carrier number of the carrier corresponding to the first downlink control information is greater than The first carrier number threshold, and the parity of the carrier number of the carrier corresponding to the first downlink control information is different from the first carrier number threshold, and is in the first downlink control information.
- the TPC domain acquires a PUCCH format 4 resource indication.
- the format resource indication may use the default PUCCH format resource indication.
- the third embodiment of the user equipment of the present invention the structure of the third embodiment of the user equipment of the present invention may be the same as that of the foregoing user equipment embodiment, except that
- the receiving module 11 of the third embodiment of the user equipment is specifically configured to set a second threshold, and receive at least one first downlink control information sent by the base station, and obtain a downlink allocation index of each first downlink control information;
- the downlink allocation index is greater than the second threshold, and the TPC domain in the first downlink control information corresponding to the downlink allocation index acquires the total downlink allocation.
- the receiving module 11 is configured to use the TPC domain in the first downlink control information corresponding to the downlink allocation index.
- the obtaining the total number of the downlink allocations may be: obtaining the total number of downlink allocations in the TPC domain in the part of the first downlink control information, and obtaining the PUCCH format 4 resource indication in the TPC domain in the part of the first downlink control information.
- the method may be specifically: if the downlink allocation index of the first downlink control information is greater than the second threshold, and the parity of the downlink allocation index is the same as the second threshold, then the first The TPC domain in the downlink control information acquires the total number of downlink allocations; if the downlink allocation index of the first downlink control information is greater than the second threshold, and the parity of the downlink allocation index is different from the second threshold, And acquiring, in the TPC domain in the first downlink control information, a PUCCH format 4 resource indication.
- the embodiment of the user equipment of the present invention is the same as that of the user equipment embodiment of the present invention.
- the difference is that the receiving module 11 of the fourth embodiment of the user equipment of the present invention is specifically used.
- the fifth embodiment of the user equipment of the present invention the structure of the fifth embodiment of the user equipment of the present invention may be the same as that of the foregoing embodiment of the user equipment, except that the receiving module 11 of the fifth embodiment of the user equipment of the present invention is specifically used.
- Receiving at least one first downlink control information that is sent by the base station acquiring a downlink allocation index of each first downlink control information, and acquiring a total downlink allocation total in a downlink allocation total field of the first downlink control information carried by the primary carrier .
- the sixth embodiment of the user equipment of the present invention is the same as that of the user equipment embodiment of the present invention.
- the difference is that the receiving module 11 of the sixth embodiment of the user equipment of the present invention is specifically used.
- CRC Cyclic Redundancy Check
- the row control information is subjected to descrambling code processing, and the total number of downlink allocations and the first downlink control information are obtained.
- the row allocation index is used. It can be understood that if the CRC of the first downlink control information is not subjected to special scrambling processing, only the downlink allocation index of the first downlink control information may be acquired.
- the total number of downlink allocations is not limited in the first downlink control information that meets the foregoing conditions, and those skilled in the art may know that other alternatives may be used based on the disclosure content of the present invention.
- the mode obtains the total number of downlink allocations.
- the embodiment of the present invention does not obtain the total number of downlink allocations in the TPC domain or the newly added downlink allocation total domain as a limitation. It can be understood that the existing first downlink control information may also be used.
- the other domains in the middle get the total number of downlink allocations, and you can also obtain the total number of downlink allocations by adding other domains.
- the total number of downlink allocations is obtained by using the foregoing five different manners on the basis of the first embodiment of the user equipment. Therefore, the second to sixth embodiments of the user equipment of the present invention can be obtained.
- the same technical effect as the user equipment embodiment 1 has the following technical effects. Since the total number of downlink allocations obtained by using the above five methods is obtained on the existing signaling, no additional signaling overhead is added.
- the base station in this embodiment may include: a sending module 21, a receiving module 22, and a processing module 23, where the sending module 21 is configured to send to the user equipment.
- each downlink control information carries a downlink allocation index, and at least one of the downlink control information further carries a total number of downlink allocations
- the receiving module 22 is configured to receive the total number of downlink allocations by the user equipment according to the downlink a downlink allocation index of the row control information and a hybrid automatic retransmission response message sent by the physical downlink shared channel corresponding to the first downlink control information, where the processing module 23 is configured to obtain, according to the hybrid automatic retransmission response message, each downlink control information The acknowledgment information of the physical downlink shared channel.
- the downlink control information includes the first downlink control information and the second downlink control information, where the total number of downlink allocations is the number of physical downlink shared channels corresponding to the downlink control information, or the physical downlink released by the downlink semi-persistent scheduling.
- the downlink allocation index is used to indicate an index of a physical downlink shared channel corresponding to downlink control information that carries the downlink allocation index, or an index of a physical downlink control channel used to indicate downlink semi-persistent scheduling release, or to indicate carrying An index of the physical downlink shared channel corresponding to the downlink control information of the downlink allocation index and the physical downlink control channel released by the downlink semi-persistent scheduling.
- the sending module of the base station sends at least one downlink control information to the user equipment, where each downlink control information carries a downlink allocation index, where at least one downlink control information further carries a total downlink allocation, and then the receiving module of the base station receives the sending by the terminal.
- the hybrid automatic retransmission response message is a hybrid of the user equipment according to the total number of downlink allocations, the downlink allocation index of each first downlink control information, and the physical downlink shared channel corresponding to each first downlink control information.
- the hybrid automatic retransmission response message includes the response information of the user equipment to all the downlink control information sent by the base station, and the processing module of the base station can obtain the physical information corresponding to each downlink control information according to the hybrid automatic retransmission response message.
- the sending module 22 of the base station of the present invention is configured to send at least one downlink control information to the user equipment, where each downlink control information carries a downlink allocation index, and at least one downlink control information further carries a total downlink allocation, which may have many different specific
- the implementation manner that is, how the base station informs the downlink allocation total in the downlink control information that there are many different specific implementation manners, is explained in the following five different implementation manners.
- each downlink control information carries a downlink allocation index
- at least one of the downlink control information further carries a total number of downlink assignments, which may be: setting a downlink allocation index of each downlink control information in each downlink control information.
- setting the total downlink allocation to the transmission power control TPC field in the downlink control information sending at least one to the user equipment The downlink control information.
- the sending module is further configured to send the first carrier number threshold to the user equipment.
- the threshold number of the first carrier may also be predefined in the protocol or the system, and is not limited thereto.
- the sending module 22 is configured to set the total number of downlink allocations in the downlink control information.
- Power control TPC domain specifically: set the total number of downlink allocations In the TPC field in the part of the downlink control information, the physical uplink control channel PUCCH format 4 resource indication is set in a part of the TPC domain in the downlink control information.
- the carrier number of the carrier corresponding to the downlink control information is greater than the threshold number of the first carrier, and the parity of the carrier number of the carrier corresponding to the downlink control information is If the number of the carriers is the same, the total number of the downlink allocations is set in the TPC field in the downlink control information; if the carrier number of the carrier corresponding to the downlink control information is greater than the threshold number of the first carrier, and If the parity of the carrier number of the carrier corresponding to the downlink control information is different from the first carrier number threshold, the PUCCH format 4 resource indication is set in the TPC domain in the downlink control information.
- each downlink control information carries a downlink allocation index
- at least one of the downlink control information further carries a total number of downlink assignments, which may be: setting a downlink allocation index of each downlink control information in each downlink control information. If the downlink allocation index of the downlink control information is greater than the second threshold, the total downlink allocation is set in the TPC domain in the downlink control information; and at least one downlink control information is sent to the user equipment. That is, it is determined whether the TPC domain of the downlink control information is used as the total number of downlink allocations based on the downlink allocation index of the downlink control information.
- a downlink allocation index is greater than the second threshold
- the sending module is configured to set the total number of the downlink allocations in the TPC domain in the downlink control information, which may be specifically: setting the total number of the downlink allocations in a part of the TPC domain in the downlink control information, and setting the PUCCH format
- the 4 resource indicates a TPC field set in part of the downlink control information.
- the total downlink allocation is set in the a TPC field in the downlink control information; if the downlink allocation index of the downlink control information is greater than the second threshold, and the parity of the downlink allocation index is different from the second threshold, the PUCCH format 4 resource is used. Indicates a TPC domain set in the downlink control information.
- Embodiment 4 of the base station of the present invention and a schematic structural diagram of Embodiment 4 of the base station of the present invention may be
- the configuration is the same as that of the foregoing embodiment of the base station, except that the sending module 22 of the fourth embodiment of the present invention is configured to send at least one downlink control information to the user equipment, where each downlink control information carries a downlink allocation index, at least one
- the downlink control information also carries the total number of downlink allocations, which may be: setting the downlink allocation index of each downlink control information in each downlink control information, and setting the total number of downlink allocations to the total downlink allocation of each downlink control information.
- the domain sends at least one downlink control information to the user equipment.
- a total downlink allocation total field for example, 2 bits, 3 bits, etc., is added to all downlink control information, and is specifically used to indicate the total number of downlink allocations.
- each downlink control information carries a downlink allocation index
- at least one of the downlink control information further carries a total number of downlink assignments, which may be: setting a downlink allocation index of each downlink control information in each downlink control information. And setting the total number of downlink allocations in a downlink allocation total field of downlink control information carried by the primary carrier, and sending at least one downlink control information to the user equipment.
- the downlink allocation total field is added to the downlink control information of the primary carrier to indicate the total number of downlink allocations, and the downlink control information of other secondary carriers does not increase the downlink allocation total domain.
- each downlink control information carries a downlink allocation index
- at least one of the downlink control information further carries a total number of downlink assignments, which may be: setting the total number of downlink assignments in at least one downlink control information, and carrying The CRC of the downlink control information with the total number of downlink allocations is subjected to special scrambling processing to obtain downlink control information after the scrambling code; and the downlink control information after the scrambling code and the downlink control information that is not scrambled are sent to the CRC
- the user equipment wherein the scrambled downlink control information and the unscrambled downlink control information both carry a downlink allocation index.
- the CRC carrying the downlink control information of the total number of downlink allocations is scrambled, and the CRC of the downlink control information that does not carry the total number of downlink assignments is not scrambled.
- the number of bits occupied by the total number of downlink allocations If the number of bits occupied by the total number of downlink allocations is less than 5 bits, the number of states corresponding to the number of bits occupied by the total number of downlink allocations is obtained, and the total number of downlink allocations is The state number is used to obtain a state corresponding to the total number of downlink allocations, and the state corresponding to the total number of downlink allocations is used to indicate the total number of downlink allocations.
- the number of bits occupied by the total number of downlink allocations is less than 5 bits
- the number of states corresponding to the number of bits occupied by the total number of downlink allocations is different from the total number of downlink allocations. For example, if the total number of downlink allocations is less than or equal to 32, The number of bits occupied by the total number of downlink allocations is 2 bits. Then, the foregoing method is used to obtain the state corresponding to the total number of downlink allocations, that is, the total number of downlink allocations is represented by the state, and the number of bits occupied by the total number of downlink allocations is 2 bits.
- the corresponding relationship between the state corresponding to the total number of downlink allocations and the total number of downlink allocations may be in Table 3.
- the correspondence between the state corresponding to the total number of downlink allocations and the total number of downlink allocations may be Table 4
- the downlink When the number of bits occupied by the total number of allocations is 5 bits, the correspondence between the state corresponding to the total number of downlink allocations and the total number of downlink allocations may be Table 5.
- the second embodiment to the sixth embodiment of the present invention are used to transmit the total number of downlink allocations in the foregoing five different manners on the basis of the first embodiment of the base station. Therefore, the base station embodiments 2 to 6 of the present invention can be implemented and implemented by the base station.
- the same technical effect of the first example has the following technical effects. Since the total number of downlink allocations sent by the above five methods is obtained on the existing signaling, no additional signaling overhead is added.
- FIG. 3 is a flowchart of Embodiment 1 of a method for transmitting control information according to the present invention.
- the executor of this embodiment is a user equipment. As shown in FIG. 3, the method in this embodiment may include:
- Step 101 Receive at least one first downlink control information that is sent by the base station, where each first downlink control information carries a downlink allocation index, and at least one of the first downlink control information further carries a total downlink allocation.
- the downlink allocation index is used to indicate an index of a physical downlink shared channel corresponding to the first downlink control information that carries the downlink allocation index, or an index of a physical downlink control channel that is used to indicate downlink semi-persistent scheduling release.
- the total number of downlink downlinks is the number of physical downlink shared channels corresponding to the first downlink control information, or the number of physical downlink control channels released by the downlink semi-persistent scheduling, or the physical downlink corresponding to the first downlink control information. The sum of the number of shared channels and the number of physical downlink control channels released by the downlink semi-persistent scheduling.
- the downlink allocation index of each first downlink control information sent by the base station indicates the index of the physical downlink shared channel corresponding to the first downlink control information, and correspondingly, the total downlink allocation is the first downlink control.
- the number of physical downlink shared channels corresponding to the information; or the part of the downlink allocation index of each first downlink control information sent by the base station indicates an index of the physical downlink shared channel corresponding to the first downlink control information, and the part indicates the downlink half
- the number of physical downlink control channels corresponding to the first downlink control information and the number of physical downlink control channels released by the downlink semi-persistent scheduling are corresponding to the index of the physical downlink control channel that is released by the static scheduling.
- the downlink allocation of the first downlink control information sent by the base station indicates the index of the physical downlink control channel released by the downlink semi-persistent scheduling, and correspondingly, the total downlink allocation is the physical downlink released by the downlink semi-persistent scheduling.
- the Downlink Assignment Index (DAI) is used to indicate the PDCCH/ePDCCH corresponding to the PDSCH allocated on the downlink associated subframe set on the scheduled one or more carriers and to indicate the downlink SPS release.
- the cumulative number of PDCCH/ePDCCHs to be released, and the total number of downlink allocations is used to indicate the total number of PDCCHs indicating the PDCCH of the scheduled PDSCH and/or the SPS released by the SPS.
- the total number of downlink allocations and the number of bits of the downlink allocation index may be any one of 2 bits to 8 bits.
- Step 102 Generate a hybrid automatic repeat response message according to the total downlink allocation, the downlink allocation index of each first downlink control information, and the physical downlink shared channel corresponding to the first downlink control information.
- the downlink allocation indexes of the first downlink control information received by the user equipment are 1, 3, 4, and 6, respectively, and the total number of downlink allocations is 7, according to the total number of downlink allocations and the first downlink control information.
- the downlink allocation index may be used to determine the second downlink control information that is missed, and the downlink allocation index of the second downlink control information is 2, 5, and 7.
- Step 103 Send the hybrid automatic repeat response message to the base station.
- the method for transmitting the control information provided in this embodiment is used to complete the processing of the user equipment shown in FIG. 1 , and the implementation principle and technical effects thereof are similar, and details are not described herein again.
- the step 101 of the method for transmitting the control information of the present invention may be implemented in a plurality of different implementation manners, that is, how the user equipment obtains the total number of downlink assignments carried in the first downlink control information, and has different implementation manners. Five different implementations are explained in detail.
- Embodiment 4 is a flowchart of Embodiment 2 of a method for transmitting control information according to the present invention. As shown in FIG. 4, the method in this embodiment may include:
- S201 Set a first carrier number threshold, receive at least one first downlink control information sent by the base station, and obtain a downlink allocation index of each first downlink control information.
- the first carrier number threshold that is sent by the base station may be received, that is, the first carrier number threshold may be a standard or a system-set value, or the base station may notify by signaling.
- the first carrier number threshold may be 5.
- the first carrier number threshold may be 10 or 20.
- the transmission power control TPC domain in the first downlink control information acquires the total downlink allocation.
- the downlink allocation index according to the total number of downlink allocations and each first downlink control information Determining the second downlink control information, and generating a hybrid automatic repeat response message according to the response information of the physical downlink shared channel corresponding to the first downlink control information and the response information of the physical downlink shared channel corresponding to the second downlink control information .
- the user equipment may further receive the number of configured carriers sent by the base station, and correspondingly, the S204 may be specifically: if the number of the configured carriers is greater than the first threshold, adopting a physical uplink control channel format 4 to the The base station sends the hybrid automatic retransmission response message; if the number of configured carriers is less than or equal to the first threshold, the hybrid automatic retransmission response message is sent to the base station by using a physical uplink control channel format 3.
- the first threshold may be 5, and the maximum number of supported HARQ-ACKs in the existing standard PUCCH format 3 is 21 bits or 20 bits or 22 bits, corresponding to supporting 5 carrier aggregation, when the user equipment is configured with configured carriers.
- the HARQ-ACK is sent in a new PUCCH format (PUCCH format 4).
- the HARQ-ACK is transmitted in the PUCCH format 3.
- the user equipment may further receive a threshold number of configured carriers sent by the base station, and obtain a threshold number of the number of hybrid automatic retransmission response messages supported by the physical uplink control channel according to the threshold number of configured carriers.
- the threshold number of the number of the hybrid automatic retransmission acknowledgement messages supported by the physical uplink control channel may also be set by the protocol.
- the S204 may be specifically if the total downlink allocation is greater than the physical uplink.
- the hybrid automatic retransmission response message to the base station; if the total number of downlink allocations is less than or equal to the physical quantity, the number of bits of the hybrid automatic retransmission acknowledgement message supported by the control channel is The threshold number of bits of the hybrid automatic retransmission response message supported by the uplink control channel is sent to the base station by using the physical uplink control channel format 3 to transmit the hybrid automatic retransmission response message.
- the user equipment may receive the threshold value of the number of configured carriers sent by the base station, where the threshold number of the configured carrier number may be 5, that is, the value of the first threshold may be Similarly, according to the configured number of carriers threshold, the number of bits of the supported hybrid automatic retransmission response message may be obtained, and the total relationship between the total number of downlink allocations and the number of bits of the hybrid automatic retransmission response message is determined, and the PUCCH format 4 is determined. Or PUCCH format 3 sends a hybrid automatic retransmission response message.
- the threshold number of bits of the hybrid automatic retransmission response message may be 21 bits or 20 bits or 22 bits.
- the hybrid automatic repeat response message may also be transmitted using channel selection of PUCCH format 1a/1b or PUCCH format 1a/1b. It should be noted that the user equipment may send the hybrid automatic retransmission response message in the foregoing manner, but there is a case that if the user equipment does not receive the total downlink allocation, the hybrid automatic retransmission response message may be directly sent in the PUCCH format 3. .
- the S202 may be specifically: if the carrier number of the carrier corresponding to the multiple downlink control information is greater than the first carrier threshold, the first in the S202 is the first
- the transmission power control in the line control information is used to obtain the total number of downlink allocations in the TPC domain, which may be specifically: obtaining the total number of downlink allocations in the TPC domain in the part of the first downlink control information, and in the part of the first downlink control information.
- the TPC domain acquires a PUCCH format 4 resource indication.
- the carrier number of the carrier corresponding to the first downlink control information is greater than the first carrier number threshold, and the carrier number of the carrier corresponding to the first downlink control information is If the parity is the same as the threshold of the first carrier, the TPC domain in the first downlink control information acquires the total number of downlink allocations; if the carrier number of the carrier corresponding to the first downlink control information is greater than The first carrier number threshold, and the parity of the carrier number of the carrier corresponding to the first downlink control information is different from the first carrier number threshold, and is in the first downlink control information.
- the TPC domain acquires a PUCCH format 4 resource indication.
- the PUCCH format resource indication may adopt a default PUCCH format resource indication.
- the method for transmitting control information provided in this embodiment is used to complete the processing of the second embodiment of the user equipment, and the implementation principle and technical effects thereof are similar, and details are not described herein again.
- FIG. 5 is a flowchart of Embodiment 3 of a method for transmitting control information according to the present invention. As shown in FIG. 5, the method in this embodiment may include:
- S301 Set a second threshold, and receive at least one first downlink control information that is sent by the base station, and obtain a downlink allocation index of each first downlink control information.
- the TPC domain in the first downlink control information corresponding to the downlink allocation index acquires the total downlink allocation.
- the TPC domain in the first downlink control information corresponding to the downlink allocation index in S302 obtains the total downlink allocation. Specifically, the TPC domain in the part of the first downlink control information acquires the total number of downlink allocations, and the TPC domain in the part of the first downlink control information acquires the PUCCH format 4 resource indication.
- the first The TPC domain in the downlink control information acquires the total number of downlink allocations; if the downlink allocation index of the first downlink control information is greater than the second threshold, and the parity of the downlink allocation index is different from the second threshold, And acquiring, in the TPC domain in the first downlink control information, a PUCCH format 4 resource indication.
- the method for transmitting the control information provided in this embodiment is used to complete the processing of the third embodiment of the user equipment, and the implementation principle and technical effects are similar, and details are not described herein again.
- FIG. 6 is a flowchart of Embodiment 4 of a method for transmitting control information according to the present invention. As shown in FIG. 6, the method in this embodiment may include:
- S401 Receive at least one first downlink control information that is sent by the base station, acquire a downlink allocation index of each first downlink control information, and obtain a total downlink allocation total in a downlink allocation total field of each first downlink control information.
- S402. Determine, according to the downlink allocation total and the downlink allocation index of each first downlink control information, second downlink control information, and the response information of the physical downlink shared channel corresponding to the first downlink control information, and the The response information of the physical downlink shared channel corresponding to the downlink control information generates a hybrid automatic repeat response message.
- the method for transmitting control information provided in this embodiment is used to complete the processing of the fourth embodiment of the user equipment, and the implementation principle and technical effects are similar, and details are not described herein again.
- FIG. 7 is a flowchart of Embodiment 5 of a method for transmitting control information according to the present invention. As shown in FIG. 7, the method in this embodiment may include:
- S501 Receive at least one first downlink control information that is sent by the base station, obtain a downlink allocation index of each first downlink control information, and perform downlink downlink information of the first downlink control information that is carried by the primary carrier.
- the total number of domains is allocated to the total number of downlink allocations.
- the method for transmitting control information provided in this embodiment is used to complete the processing of the fifth embodiment of the user equipment, and the implementation principle and technical effects are similar, and details are not described herein again.
- FIG. 8 is a flowchart of Embodiment 6 of a method for transmitting control information according to the present invention. As shown in FIG. 8, the method in this embodiment may include:
- the first downlink control information is descrambled, and the total downlink allocation and the downlink of the first downlink control information are obtained. Assign an index.
- the downlink allocation total and the downlink allocation index of the first downlink control information are obtained in the first downlink control information by using the descrambling code processing. If the CRC of the first downlink control information is not subjected to the special scrambling process, only the downlink allocation index of the first downlink control information is directly obtained.
- the method for transmitting the control information provided in this embodiment is used to complete the processing of the sixth embodiment of the user equipment, and the implementation principle and technical effects are similar, and details are not described herein again.
- the second embodiment to the sixth embodiment of the present invention based on the first embodiment, further obtain the total number of downlink allocations by using the foregoing five different manners. Therefore, the second to sixth embodiments of the present invention can obtain the same as the first embodiment.
- the technical effects also have the following technical effects. Since the total number of downlink allocations obtained by using the above five methods is obtained on the existing signaling, no additional signaling overhead is added.
- FIG. 9 is a flowchart of Embodiment 7 of a method for transmitting control information according to the present invention.
- the execution subject of the embodiment is a base station.
- the method in this embodiment may include:
- Step 701 Send at least one downlink control information to the user equipment, where each downlink control information carries a downlink allocation index, and at least one downlink control information further carries a total downlink allocation.
- the downlink allocation index is used to indicate an index of a physical downlink shared channel corresponding to the first downlink control information that carries the downlink allocation index, or an index of a physical downlink control channel that is used to indicate downlink semi-persistent scheduling release.
- the total number of downlink downlinks is the number of physical downlink shared channels corresponding to the first downlink control information, or the number of physical downlink control channels released by the downlink semi-persistent scheduling, or the physical downlink corresponding to the first downlink control information. The sum of the number of shared channels and the number of physical downlink control channels released by the downlink semi-persistent scheduling.
- the downlink allocation index of each first downlink control information sent by the base station indicates the index of the physical downlink shared channel corresponding to the first downlink control information, and correspondingly, the total downlink allocation is the first downlink control.
- the number of physical downlink shared channels corresponding to the information; or the part of the downlink allocation index of each first downlink control information sent by the base station indicates an index of the physical downlink shared channel corresponding to the first downlink control information, and the part indicates the downlink half
- the number of physical downlink control channels corresponding to the first downlink control information and the number of physical downlink control channels released by the downlink semi-persistent scheduling are corresponding to the index of the physical downlink control channel that is released by the static scheduling.
- the downlink allocation of the first downlink control information sent by the base station indicates the index of the physical downlink control channel released by the downlink semi-persistent scheduling, and correspondingly, the total downlink allocation is the physical downlink released by the downlink semi-persistent scheduling.
- the Downlink Assignment Index (DAI) is used to indicate the PDCCH/ePDCCH corresponding to the PDSCH allocated on the downlink associated subframe set on the scheduled one or more carriers and the downlink SPS release.
- the cumulative number of PDCCH/ePDCCHs, and the total number of downlink allocations is used to indicate the total number of PDCCHs indicating the scheduled PDCCH of the PDSCH and/or the SPS release.
- the total number of downlink allocations and the number of bits of the downlink allocation index may be any one of 2 bits to 8 bits.
- Step 702 Receive a hybrid automatic retransmission response message sent by the user equipment according to the total downlink allocation, the downlink allocation index of each first downlink control information, and the physical downlink shared channel corresponding to each first downlink control information.
- Step 703 Acquire, according to the hybrid automatic retransmission response message, corresponding to each downlink control information.
- the method for transmitting the control information provided in this embodiment is used to complete the processing of the user equipment shown in FIG. 2, and the implementation principle and technical effects are similar, and details are not described herein again.
- the method 701 of the method for transmitting the control information of the present invention may be implemented in many different implementation manners, that is, how the base station sends the total number of downlink allocations, and the downlink is implemented in five different implementation manners.
- FIG. 10 is a flowchart of Embodiment 8 of a method for transmitting control information according to the present invention. As shown in FIG. 10, the method in this embodiment may include:
- the downlink allocation index of each downlink control information is set in each downlink control information, and if the carrier number of the carrier corresponding to the downlink control information is greater than the first carrier number threshold, the total downlink allocation is set in The transmission power in the downlink control information controls the TPC domain.
- S802. Receive a hybrid automatic repeat response message sent by the user equipment according to the total downlink allocation, the downlink allocation index of each first downlink control information, and the physical downlink shared channel corresponding to each first downlink control information.
- the transmission power control TPC that sets the total number of downlink allocations in the downlink control information in S801
- the domain may be specifically configured to: set a total number of downlink allocations in a TPC domain in the downlink control information, and set a physical uplink control channel PUCCH format 4 resource indication in a TPC domain in the downlink control information.
- the total number of downlink allocations is set in a TPC domain in the part of the downlink control information
- the physical uplink control channel PUCCH format 4 resource indication is set in a part of the TPC domain in the downlink control information, which may be: If the carrier number of the carrier corresponding to the downlink control information is greater than the threshold number of the first carrier, and the parity of the carrier number of the carrier corresponding to the downlink control information is the same as the threshold of the first carrier, Setting the total number of the downlink allocations in the TPC field in the downlink control information; if the carrier number of the carrier corresponding to the downlink control information is greater than the first carrier number threshold, and the downlink control information corresponds to If the parity of the carrier number of the carrier is different from the threshold number of the first carrier, the PUCCH format 4 resource indication setting is set.
- the method for transmitting control information provided in this embodiment is used to complete the processing of the second embodiment of the base station, and the implementation principle and technical effects are similar, and details are not described herein again.
- FIG. 11 is a flowchart of Embodiment 9 of a method for transmitting control information according to the present invention. As shown in FIG. 11, the method in this embodiment may include:
- S901 The downlink allocation index of each downlink control information is set in each downlink control information, and if the downlink allocation index of the downlink control information is greater than the second threshold, the total downlink allocation is set in the downlink control information. TPC domain.
- S902 Receive a hybrid automatic repeat response message sent by the user equipment according to the total downlink allocation, the downlink allocation index of each first downlink control information, and the physical downlink shared channel corresponding to each first downlink control information.
- the total number of the downlink allocations is set in the TPC domain in the downlink control information, which may be:
- the TPC field in the part of the downlink control information is set, and the PUCCH format 4 resource indication is set in a part of the TPC field in the downlink control information.
- the setting the total number of the downlink allocations in the TPC domain in the part of the downlink control information, and setting the resource indication of the PUCCH format 4 in the TPC domain in the part of the downlink control information specifically: if The downlink allocation index of the downlink control information is greater than the second threshold, and the parity of the downlink allocation index is the same as the second threshold, and the total number of downlink allocations is set in a TPC domain in the downlink control information; If the downlink allocation index of the downlink control information is greater than the second threshold, and the parity of the downlink allocation index is different from the second threshold, setting the PUCCH format 4 resource indication to the downlink control information In the TPC domain.
- the method for transmitting control information provided in this embodiment is used to complete the processing of the third embodiment of the base station, and the implementation principle and technical effects are similar, and details are not described herein again.
- FIG. 12 is a flowchart of Embodiment 10 of a method for transmitting control information according to the present invention. As shown in FIG. 12, the method in this embodiment may include:
- S1001 Set a downlink allocation index of each downlink control information in each downlink control information, and set the total number of downlink allocations in a downlink allocation total field of each downlink control information, and The user equipment sends at least one of the downlink control information.
- S1002 Receive a hybrid automatic repeat response message sent by the user equipment according to the total downlink allocation, the downlink allocation index of each first downlink control information, and the physical downlink shared channel corresponding to each first downlink control information.
- the method for transmitting the control information provided by this embodiment is used to complete the processing of the fourth embodiment of the base station, and the implementation principle and technical effects thereof are similar, and details are not described herein again.
- FIG. 13 is a flowchart of Embodiment 11 of a method for transmitting control information according to the present invention. As shown in FIG. 13, the method in this embodiment may include:
- the downlink allocation index of each downlink control information is set in each downlink control information, and the total number of downlink allocations is set in a downlink allocation total field of downlink control information carried by the primary carrier, and at least one is sent to the user equipment.
- the downlink control information is set in each downlink control information, and the total number of downlink allocations is set in a downlink allocation total field of downlink control information carried by the primary carrier, and at least one is sent to the user equipment.
- S1102 Receive a hybrid automatic repeat response message sent by the user equipment according to the total downlink allocation, the downlink allocation index of each first downlink control information, and the physical downlink shared channel corresponding to each first downlink control information.
- S1103 Acquire, according to the hybrid automatic retransmission response message, response information of a physical downlink shared channel corresponding to each downlink control information.
- the method for transmitting control information provided in this embodiment is used to complete the processing of the fifth embodiment of the base station, and the implementation principle and technical effects are similar, and details are not described herein again.
- FIG. 14 is a flowchart of Embodiment 12 of a method for transmitting control information according to the present invention. As shown in FIG. 14, the method in this embodiment may include:
- S1201 The total number of the downlink allocations is set in the at least one downlink control information, and the cyclic redundancy verification code CRC carrying the downlink control information of the total downlink allocation information is subjected to special scrambling processing to obtain the downlink control information after the scrambling code; And transmitting the scrambled downlink control information and the undisturbed downlink control information to the user equipment.
- the downlink control information after the scrambling code and the downlink control information processed by the unscrambled code all carry a downlink allocation index.
- S1202 The user equipment is sent according to the total downlink allocation, the downlink allocation index of each first downlink control information, and the physical downlink shared channel corresponding to each first downlink control information. Hybrid automatic retransmission reply message.
- the method for transmitting control information provided in this embodiment is used to complete the processing of the sixth embodiment of the base station, and the implementation principle and technical effects are similar, and details are not described herein again.
- the seventh embodiment to the twelfth embodiment if the number of bits occupied by the total number of downlink allocations is less than 5 bits, the state corresponding to the number of bits occupied by the total number of downlink allocations is obtained.
- the number of the downlink allocations is obtained by taking the total number of the downlinks to obtain a state corresponding to the total number of downlink allocations, and the state corresponding to the total number of downlink allocations is used to indicate the total number of downlink allocations.
- the sending module 13 in the embodiment of the present invention may correspond to a transmitter of the user equipment, or may correspond to a transceiver of the user equipment.
- the receiving module 11 may correspond to a receiver of the user equipment, or may correspond to a transceiver of the user equipment.
- Processing module 12 may correspond to a processor of a user device, where the processor may be a CPU, or an ASIC, or one or more integrated circuits implementing embodiments of the present invention.
- the user equipment may further include a memory for storing the instruction code, the processor invoking the instruction code of the memory, and controlling the transmitting module 13 and the receiving module 11 in the embodiment of the present invention to perform the above operations.
- the receiving module 22 in the embodiment of the present invention may correspond to the receiver of the base station, and may also correspond to the transceiver of the base station.
- the sending module 21 may correspond to a transmitter of the base station, or may correspond to a transceiver of the base station.
- the processing module 23 may correspond to a processor of the base station, where the processor may be a central processing unit (CPU), or an application specific integrated circuit (ASIC), or implement an embodiment of the present invention. One or more integrated circuits.
- the base station may further include a memory for storing the instruction code, the processor invoking the instruction code of the memory, and controlling the receiving module 22 and the transmitting module 21 in the embodiment of the present invention to perform the above operations.
- the disclosed apparatus and method may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
- a direct coupling or communication connection may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. . Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
- the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
- the above software functional unit is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform the methods of the various embodiments of the present invention. Part of the steps.
- the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .
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Abstract
Description
状态 | 下行分配总数 |
0,0 | 0或4或8或12或16或20或24或28或32 |
0,1 | 1或5或9或13或17或21或25或29 |
1,0 | 2或6或10或14或18或22或26或30 |
1,1 | 3或7或11或15或19或23或27或31 |
状态 | 下行分配总数 |
000 | 0或8或16或24或32 |
001 | 1或9或17或25 |
010 | 2或10或18或26 |
011 | 3或11或19或27 |
100 | 4或12或20或28 |
101 | 5或13或21或29 |
110 | 6或14或22或30 |
111 | 7或15或23或31 |
状态 | 下行分配总数 |
00000 | 1 |
00001 | 2 |
00010 | 3 |
00011 | 4 |
00100 | 5 |
00101 | 6 |
00110 | 7 |
00111 | 8 |
01000 | 9 |
01001 | 10 |
01010 | 11 |
01011 | 12 |
01100 | 13 |
01101 | 14 |
01110 | 15 |
01111 | 16 |
10000 | 17 |
10001 | 18 |
10010 | 19 |
10011 | 20 |
10100 | 21 |
10101 | 22 |
10110 | 23 |
10111 | 24 |
11000 | 25 |
11001 | 26 |
11010 | 27 |
11011 | 28 |
11100 | 29 |
11101 | 30 |
11110 | 31 |
11111 | 32 |
Claims (48)
- 一种用户设备,其特征在于,包括:接收模块,用于接收基站发送的至少一个第一下行控制信息,各第一下行控制信息分别携带下行分配索引,至少一个所述第一下行控制信息还携带下行分配总数;处理模块,用于根据所述下行分配总数、各第一下行控制信息的下行分配索引以及所述各第一下行控制信息对应的物理下行共享信道生成混合自动重传应答消息;发送模块,用于向所述基站发送所述混合自动重传应答消息;其中,各下行分配索引用于指示携带所述下行分配索引的下行控制信息对应的物理下行共享信道的索引、或用于指示下行半静态调度释放的物理下行控制信道的索引、或用于指示携带所述下行分配索引的下行控制信息对应的物理下行共享信道和下行半静态调度释放的物理下行控制信道的索引,所述下行分配总数为各下行控制信息对应的物理下行共享信道的个数、或下行半静态调度释放的物理下行控制信道的个数、或所述各下行控制信息对应的物理下行共享信道的个数和下行半静态调度释放的物理下行控制信道的个数之和。
- 根据权利要求1所述的用户设备,其特征在于,所述处理模块用于根据所述下行分配总数、各第一下行控制信息的下行分配索引以及所述各第一下行控制信息对应的物理下行共享信道生成混合自动重传应答消息,包括:分别根据各第一下行控制信息对应的物理下行共享信道的译码正确与否产生各第一下行控制信息对应的物理下行共享信道的应答信息;对各第一下行控制信息的下行分配索引进行排序获取排序结果,根据所述排序结果和所述下行分配总数确定第二下行控制信息,并获取所述第二下行控制信息的下行分配索引,所述第二下行控制信息对应的物理下行共享信道的应答信息为不确认NACK;根据各第一下行控制信息对应的物理下行共享信道的应答信息和所述第二下行控制信息对应的物理下行共享信道的应答信息生成所述混合自动重传应答消息,所述混合自动重传应答消息中各第一下行控制信息对应的物理下 行共享信道的应答信息和所述第二下行控制信息对应的物理下行共享信道的应答信息的排放顺序,与所述各第一下行控制信息和所述第二下行控制信息的下行分配索引的顺序相同。
- 根据权利要求1或2所述的用户设备,其特征在于,所述接收模块用于接收基站发送的至少一个第一下行控制信息,各第一下行控制信息分别携带下行分配索引,至少一个所述第一下行控制信息还携带下行分配总数,包括:设置第一载波个数阈值,接收基站发送的至少一个第一下行控制信息,获取各第一下行控制信息的下行分配索引;若所述第一下行控制信息所对应的载波的载波编号大于所述第一载波个数阈值,则在所述第一下行控制信息中的传输功率控制TPC域获取下行分配总数。
- 根据权利要求1至3任一项所述的用户设备,其特征在于,所述接收模块还用于:接收所述基站发送的配置载波个数;所述发送模块用于向所述基站发送所述混合自动重传应答消息,包括:若所述配置载波个数大于第一阈值,则采用物理上行控制信道格式4向所述基站发送所述混合自动重传应答消息;若所述配置载波个数小于或等于所述第一阈值,则采用物理上行控制信道格式3向所述基站发送所述混合自动重传应答消息。
- 根据权利要求1至3任一项所述的用户设备,其特征在于,所述接收模块还用于:获取预定义的物理上行控制信道所支持的混合自动重传应答消息的比特数目阈值;所述发送模块用于向所述基站发送所述混合自动重传应答消息,包括:若所述下行分配总数大于所述物理上行控制信道所支持的混合自动重传应答消息的比特数目阈值,则采用物理上行控制信道格式4向所述基站发送所述混合自动重传应答消息;若所述下行分配总数小于或等于所述物理上行控制信道所支持的混合自动重传应答消息的比特数目阈值,则采用物理上行控制信道格式3向所述基 站发送所述混合自动重传应答消息。
- 根据权利要求3至5任一项所述的用户设备,其特征在于,若存在多个所述第一下行控制信息所对应的载波的载波编号大于所述第一载波个数阈值;所述接收模块用于在所述第一下行控制信息中的传输功率控制TPC域获取下行分配总数,包括:在部分所述第一下行控制信息中的TPC域获取下行分配总数,在部分所述第一下行控制信息中的TPC域获取PUCCH格式4资源指示。
- 根据权利要求6所述的用户设备,其特征在于,所述接收模块用于在部分所述第一下行控制信息中的TPC域获取下行分配总数,在部分所述第一下行控制信息中的TPC域获取PUCCH格式4资源指示,包括:若所述第一下行控制信息所对应的载波的载波编号大于所述第一载波个数阈值,且所述第一下行控制信息所对应的载波的载波编号的奇偶性与所述第一载波个数阈值相同,则在所述第一下行控制信息中的TPC域获取下行分配总数;若所述第一下行控制信息所对应的载波的载波编号大于所述第一载波个数阈值,且所述第一下行控制信息所对应的载波的载波编号的奇偶性与所述第一载波个数阈值不同,则在所述第一下行控制信息中的TPC域获取PUCCH格式4资源指示。
- 根据权利要求1或2所述的用户设备,其特征在于,所述接收模块用于接收基站发送的至少一个第一下行控制信息,各第一下行控制信息分别携带下行分配索引,至少一个所述第一下行控制信息还携带下行分配总数,包括:设置第二阈值,接收基站发送的至少一个第一下行控制信息,获取各第一下行控制信息的下行分配索引;若所述下行控制信息的下行分配索引大于所述第二阈值,则在所述下行分配索引对应的第一下行控制信息中的TPC域获取下行分配总数。
- 根据权利要求8所述的用户设备,其特征在于,若存在多个第一下行控制信息的下行分配索引大于所述第二阈值;所述接收模块用于在所述下行分配索引对应的第一下行控制信息中的 TPC域获取下行分配总数,包括:在部分所述第一下行控制信息中的TPC域获取下行分配总数,在部分所述第一下行控制信息中的TPC域获取PUCCH格式4资源指示。
- 根据权利要求9所述的用户设备,其特征在于,所述接收模块用于在部分第一下行控制信息中的TPC域获取下行分配总数,在部分第一下行控制信息中的TPC域获取PUCCH格式4资源指示,包括:若所述第一下行控制信息的下行分配索引大于所述第二阈值,且所述下行分配索引的奇偶性与所述第二阈值相同,则在所述第一下行控制信息中的TPC域获取下行分配总数;若所述第一下行控制信息的下行分配索引大于所述第二阈值,且所述下行分配索引的奇偶性与所述第二阈值不同,则在所述第一下行控制信息中的TPC域获取PUCCH格式4资源指示。
- 根据权利要求1或2所述的用户设备,其特征在于,所述接收模块用于接收基站发送的至少一个第一下行控制信息,各第一下行控制信息分别携带下行分配索引,至少一个所述第一下行控制信息还携带下行分配总数,包括:接收基站发送的至少一个第一下行控制信息,获取各第一下行控制信息的下行分配索引,并在各第一下行控制信息的下行分配总数域获取下行分配总数。
- 根据权利要求1或2所述的用户设备,其特征在于,所述接收模块用于接收基站发送的至少一个下行控制信息,各第一下行控制信息分别携带下行分配索引,至少一个所述第一下行控制信息还携带下行分配总数,包括:接收所述基站发送的至少一个第一下行控制信息,获取各第一下行控制信息的下行分配索引,并在主载波携带的第一下行控制信息的下行分配总数域获取下行分配总数。
- 根据权利要求1或2所述的用户设备,其特征在于,所述接收模块用于接收基站发送的至少一个第一下行控制信息,各第一下行控制信息分别携带下行分配索引,至少一个所述第一下行控制信息还携带下行分配总数,包括:接收基站发送的至少一个第一下行控制信息;若所述第一下行控制信息的循环冗余效验码CRC进行特殊扰码处理,则对所述第一下行控制信息进行解扰码处理,获取下行分配总数和所述第一下行控制信息的下行分配索引。
- 一种基站,其特征在于,包括:发送模块,用于向用户设备发送至少一个下行控制信息,各下行控制信息分别携带下行分配索引,至少一个所述下行控制信息还携带下行分配总数;接收模块,用于接收所述用户设备根据所述下行分配总数、各第一下行控制信息的下行分配索引以及各第一下行控制信息对应的物理下行共享信道发送的混合自动重传应答消息;处理模块,用于根据所述混合自动重传应答消息获取各下行控制信息对应的物理下行共享信道的应答信息;其中,所述下行控制信息包括第一下行控制信息和第二下行控制信息,各下行分配索引用于指示携带所述下行分配索引的下行控制信息对应的物理下行共享信道的索引、或用于指示下行半静态调度释放的物理下行控制信道的索引、或用于指示携带所述下行分配索引的下行控制信息对应的物理下行共享信道和下行半静态调度释放的物理下行控制信道的索引,所述下行分配总数为各下行控制信息对应的物理下行共享信道的个数、或下行半静态调度释放的物理下行控制信道的个数、或所述各下行控制信息对应的物理下行共享信道的个数和下行半静态调度释放的物理下行控制信道的个数之和。
- 根据权利要求14所述的基站,其特征在于,所述发送模块用于向用户设备发送至少一个下行控制信息,各下行控制信息分别携带下行分配索引,至少一个所述下行控制信息还携带下行分配总数,包括:将各下行控制信息的下行分配索引分别设置在各下行控制信息中;并且,若所述下行控制信息所对应的载波的载波编号大于第一载波个数阈值,则将下行分配总数设置在所述下行控制信息中的传输功率控制TPC域;向用户设备发送至少一个所述下行控制信息。
- 根据权利要求15所述的基站,其特征在于,若存在多个所述下行 控制信息所对应的载波的载波编号大于所述第一载波个数阈值;所述发送模块用于将下行分配总数设置在所述下行控制信息中的传输功率控制TPC域,包括:将下行分配总数设置在部分所述下行控制信息中的TPC域,将物理上行控制信道PUCCH格式4资源指示设置在部分所述下行控制信息中的TPC域。
- 根据权利要求16所述的基站,其特征在于,所述发送模块用于将下行分配总数设置在部分所述下行控制信息中的TPC域,将物理上行控制信道PUCCH格式4资源指示设置在部分所述下行控制信息中的TPC域,包括:若所述下行控制信息所对应的载波的载波编号大于所述第一载波个数阈值,且所述下行控制信息所对应的载波的载波编号的奇偶性与所述第一载波个数阈值相同,则将所述下行分配总数设置在所述下行控制信息中的TPC域;若所述下行控制信息所对应的载波的载波编号大于所述第一载波个数阈值,且所述下行控制信息所对应的载波的载波编号的奇偶性与所述第一载波个数阈值不同,则将PUCCH格式4资源指示设置在所述下行控制信息中的TPC域。
- 根据权利要求14所述的基站,其特征在于,所述发送模块用于向用户设备发送至少一个下行控制信息,各下行控制信息分别携带下行分配索引,至少一个所述下行控制信息还携带下行分配总数,包括:将各下行控制信息的下行分配索引分别设置在各下行控制信息中;若下行控制信息的下行分配索引大于第二阈值,则将所述下行分配总数设置在所述下行控制信息中的TPC域;向用户设备发送至少一个所述下行控制信息。
- 根据权利要求18所述的基站,其特征在于,若存在多个下行控制信息的下行分配索引大于所述第二阈值;所述发送模块用于将所述下行分配总数设置在所述下行控制信息中的TPC域,包括:将所述下行分配总数设置在部分所述下行控制信息中的TPC域,将 PUCCH格式4资源指示设置在部分所述下行控制信息中的TPC域。
- 根据权利要求19所述的基站,其特征在于,所述发送模块用于将所述下行分配总数设置在部分所述下行控制信息中的TPC域,将PUCCH格式4资源指示设置在部分所述下行控制信息中的TPC域,包括:若所述下行控制信息的下行分配索引大于所述第二阈值,且所述下行分配索引的奇偶性与所述第二阈值相同,则将所述下行分配总数设置在所述下行控制信息中的TPC域;若所述下行控制信息的下行分配索引大于所述第二阈值,且所述下行分配索引的奇偶性与所述第二阈值不同,则将所述PUCCH格式4资源指示设置在所述下行控制信息中的TPC域。
- 根据权利要求14所述的基站,其特征在于,所述发送模块用于向用户设备发送至少一个下行控制信息,各下行控制信息分别携带下行分配索引,至少一个所述下行控制信息还携带下行分配总数,包括:将各下行控制信息的下行分配索引分别设置在各下行控制信息中,并且将所述下行分配总数设置在各下行控制信息的下行分配总数域,向用户设备发送至少一个所述下行控制信息。
- 根据权利要求14所述的基站,其特征在于,所述发送模块用于向用户设备发送至少一个下行控制信息,各下行控制信息分别携带下行分配索引,至少一个所述下行控制信息还携带下行分配总数,包括:将各下行控制信息的下行分配索引分别设置在各下行控制信息中,并且将所述下行分配总数设置在主载波携带的下行控制信息的下行分配总数域,向所述用户设备发送至少一个所述下行控制信息。
- 根据权利要求14所述的基站,其特征在于,所述发送模块用于向用户设备发送至少一个下行控制信息,各下行控制信息分别携带下行分配索引,至少一个所述下行控制信息还携带下行分配总数,包括:将所述下行分配总数设置在至少一个下行控制信息中,对携带有所述下行分配总数的下行控制信息的循环冗余效验码CRC进行特殊扰码处理获取扰码后的下行控制信息;将所述扰码后的下行控制信息和未经扰码处理的下行控制信息发送给所述用户设备;其中,所述扰码后的下行控制信息和所述未经扰码处理的下行控制信息均携带有下行分配索引。
- 根据权利要求14至23任一项所述的基站,其特征在于,若所述下行分配总数占用的比特数小于5比特,则获取所述下行分配总数占用的比特数对应的状态个数,将所述下行分配总数对所述状态个数取余获取所述下行分配总数对应的状态,利用所述下行分配总数对应的状态表示所述下行分配总数。
- 一种控制信息的发送方法,其特征在于,包括:接收基站发送的至少一个第一下行控制信息,各第一下行控制信息分别携带下行分配索引,至少一个所述第一下行控制信息还携带下行分配总数;根据所述下行分配总数、各第一下行控制信息的下行分配索引以及所述各第一下行控制信息对应的物理下行共享信道生成混合自动重传应答消息;向所述基站发送所述混合自动重传应答消息;其中,各下行分配索引用于指示携带所述下行分配索引的下行控制信息对应的物理下行共享信道的索引、或用于指示下行半静态调度释放的物理下行控制信道的索引、或用于指示携带所述下行分配索引的下行控制信息对应的物理下行共享信道和下行半静态调度释放的物理下行控制信道的索引,所述下行分配总数为各下行控制信息对应的物理下行共享信道的个数、或下行半静态调度释放的物理下行控制信道的个数、或所述各下行控制信息对应的物理下行共享信道的个数和下行半静态调度释放的物理下行控制信道的个数之和。
- 根据权利要求25所述的方法,其特征在于,所述根据所述下行分配总数、各第一下行控制信息的下行分配索引以及所述各第一下行控制信息对应的物理下行共享信道生成混合自动重传应答消息,包括:分别根据各第一下行控制信息对应的物理下行共享信道的译码正确与否产生各第一下行控制信息对应的物理下行共享信道的应答信息;对各第一下行控制信息的下行分配索引进行排序获取排序结果,根据所述排序结果和所述下行分配总数确定第二下行控制信息,并获取所述第二下行控制信息的下行分配索引,所述第二下行控制信息对应的物理下行共享信道的应答信息为不确认NACK;根据各第一下行控制信息对应的物理下行共享信道的应答信息和所述第二下行控制信息对应的物理下行共享信道的应答信息生成所述混合自动重传应答消息,所述混合自动重传应答消息中各第一下行控制信息对应的物理下行共享信道的应答信息和所述第二下行控制信息对应的物理下行共享信道的应答信息的排放顺序,与所述各第一下行控制信息和所述第二下行控制信息的下行分配索引的顺序相同。
- 根据权利要求25或26所述的方法,其特征在于,所述接收基站发送的至少一个第一下行控制信息,各第一下行控制信息分别携带下行分配索引,至少一个所述第一下行控制信息还携带下行分配总数,包括:设置第一载波个数阈值,接收基站发送的至少一个第一下行控制信息,获取各第一下行控制信息的下行分配索引;若所述第一下行控制信息所对应的载波的载波编号大于所述第一载波个数阈值,则在所述第一下行控制信息中的传输功率控制TPC域获取下行分配总数。
- 根据权利要求25至27任一项所述的方法,其特征在于,所述方法还包括:接收所述基站发送的配置载波个数;所述向所述基站发送所述混合自动重传应答消息,包括:若所述配置载波个数大于第一阈值,则采用物理上行控制信道格式4向所述基站发送所述混合自动重传应答消息;若所述配置载波个数小于或等于所述第一阈值,则采用物理上行控制信道格式3向所述基站发送所述混合自动重传应答消息。
- 根据权利要求25至27任一项所述的方法,其特征在于,所述方法还包括:获取预定义的物理上行控制信道所支持的混合自动重传应答消息的比特数目阈值;所述向所述基站发送所述混合自动重传应答消息,包括:若所述下行分配总数大于所述物理上行控制信道所支持的混合自动重传应答消息的比特数目阈值,则采用物理上行控制信道格式4向所述基站发送所述混合自动重传应答消息;若所述下行分配总数小于或等于所述物理上行控制信道所支持的混合自动重传应答消息的比特数目阈值,则采用物理上行控制信道格式3向所述基站发送所述混合自动重传应答消息。
- 根据权利要求27至29任一项所述的方法,其特征在于,若存在多个所述第一下行控制信息所对应的载波的载波编号大于所述第一载波个数阈值;所述在所述第一下行控制信息中的传输功率控制TPC域获取下行分配总数,包括:在部分所述第一下行控制信息中的TPC域获取下行分配总数,在部分所述第一下行控制信息中的TPC域获取PUCCH格式4资源指示。
- 根据权利要求30所述的方法,其特征在于,所述在部分所述第一下行控制信息中的TPC域获取下行分配总数,在部分所述第一下行控制信息中的TPC域获取PUCCH格式4资源指示,包括:若所述第一下行控制信息所对应的载波的载波编号大于所述第一载波个数阈值,且所述第一下行控制信息所对应的载波的载波编号的奇偶性与所述第一载波个数阈值相同,则在所述第一下行控制信息中的TPC域获取下行分配总数;若所述第一下行控制信息所对应的载波的载波编号大于所述第一载波个数阈值,且所述第一下行控制信息所对应的载波的载波编号的奇偶性与所述第一载波个数阈值不同,则在所述第一下行控制信息中的TPC域获取PUCCH格式4资源指示。
- 根据权利要求25或26所述的方法,其特征在于,所述接收基站发送的至少一个第一下行控制信息,各第一下行控制信息分别携带下行分配索引,至少一个所述第一下行控制信息还携带下行分配总数,包括:设置第二阈值,接收基站发送的至少一个第一下行控制信息,获取各第一下行控制信息的下行分配索引;若所述下行控制信息的下行分配索引大于所述第二阈值,则在所述下行分配索引对应的第一下行控制信息中的TPC域获取下行分配总数。
- 根据权利要求32所述的方法,其特征在于,若存在多个第一下行控制信息的下行分配索引大于所述第二阈值;所述在所述下行分配索引对应的第一下行控制信息中的TPC域获取下行分配总数,包括:在部分所述第一下行控制信息中的TPC域获取下行分配总数,在部分所述第一下行控制信息中的TPC域获取PUCCH格式4资源指示。
- 根据权利要求33所述的方法,其特征在于,所述在部分第一下行控制信息中的TPC域获取下行分配总数,在部分第一下行控制信息中的TPC域获取PUCCH格式4资源指示,包括:若所述第一下行控制信息的下行分配索引大于所述第二阈值,且所述下行分配索引的奇偶性与所述第二阈值相同,则在所述第一下行控制信息中的TPC域获取下行分配总数;若所述第一下行控制信息的下行分配索引大于所述第二阈值,且所述下行分配索引的奇偶性与所述第二阈值不同,则在所述第一下行控制信息中的TPC域获取PUCCH格式4资源指示。
- 根据权利要求25或26所述的方法,其特征在于,所述接收基站发送的至少一个第一下行控制信息,各第一下行控制信息分别携带下行分配索引,至少一个所述第一下行控制信息还携带下行分配总数,包括:接收基站发送的至少一个第一下行控制信息,获取各第一下行控制信息的下行分配索引,并在各第一下行控制信息的下行分配总数域获取下行分配总数。
- 根据权利要求25或26所述的方法,其特征在于,所述接收基站发送的至少一个下行控制信息,各第一下行控制信息分别携带下行分配索引,至少一个所述第一下行控制信息还携带下行分配总数,包括:接收所述基站发送的至少一个第一下行控制信息,获取各第一下行控制信息的下行分配索引,并在主载波携带的第一下行控制信息的下行分配总数域获取下行分配总数。
- 根据权利要求25或26所述的方法,其特征在于,所述接收基站发送的至少一个第一下行控制信息,各第一下行控制信息分别携带下行分配索引,至少一个所述第一下行控制信息还携带下行分配总数,包括:接收基站发送的至少一个第一下行控制信息;若所述第一下行控制信息的循环冗余效验码CRC进行特殊扰码处理, 则对所述第一下行控制信息进行解扰码处理,获取下行分配总数和所述第一下行控制信息的下行分配索引。
- 一种控制信息的发送方法,其特征在于,包括:向用户设备发送至少一个下行控制信息,各下行控制信息分别携带下行分配索引,至少一个所述下行控制信息还携带下行分配总数;接收所述用户设备根据所述下行分配总数、各第一下行控制信息的下行分配索引以及各第一下行控制信息对应的物理下行共享信道发送的混合自动重传应答消息;根据所述混合自动重传应答消息获取各下行控制信息对应的物理下行共享信道的应答信息;其中,所述下行控制信息包括第一下行控制信息和第二下行控制信息,各下行分配索引用于指示携带所述下行分配索引的下行控制信息对应的物理下行共享信道的索引、或用于指示下行半静态调度释放的物理下行控制信道的索引、或用于指示携带所述下行分配索引的下行控制信息对应的物理下行共享信道和下行半静态调度释放的物理下行控制信道的索引,所述下行分配总数为各下行控制信息对应的物理下行共享信道的个数、或下行半静态调度释放的物理下行控制信道的个数、或所述各下行控制信息对应的物理下行共享信道的个数和下行半静态调度释放的物理下行控制信道的个数之和。
- 根据权利要求38所述的方法,其特征在于,所述向用户设备发送至少一个下行控制信息,各下行控制信息分别携带下行分配索引,至少一个所述下行控制信息还携带下行分配总数,包括:将各下行控制信息的下行分配索引分别设置在各下行控制信息中;并且,若所述下行控制信息所对应的载波的载波编号大于第一载波个数阈值,则将下行分配总数设置在所述下行控制信息中的传输功率控制TPC域;向用户设备发送至少一个所述下行控制信息。
- 根据权利要求39所述的方法,其特征在于,若存在多个所述下行控制信息所对应的载波的载波编号大于第一载波个数阈值;所述将下行分配总数设置在所述下行控制信息中的传输功率控制TPC域,包括:将下行分配总数设置在部分所述下行控制信息中的TPC域,将物理上行控制信道PUCCH格式4资源指示设置在部分所述下行控制信息中的TPC域。
- 根据权利要求40所述的方法,其特征在于,所述将下行分配总数设置在部分所述下行控制信息中的TPC域,将物理上行控制信道PUCCH格式4资源指示设置在部分所述下行控制信息中的TPC域,包括:若所述下行控制信息所对应的载波的载波编号大于所述第一载波个数阈值,且所述下行控制信息所对应的载波的载波编号的奇偶性与所述第一载波个数阈值相同,则将所述下行分配总数设置在所述下行控制信息中的TPC域;若所述下行控制信息所对应的载波的载波编号大于所述第一载波个数阈值,且所述下行控制信息所对应的载波的载波编号的奇偶性与所述第一载波个数阈值不同,则将PUCCH格式4资源指示设置在所述下行控制信息中的TPC域。
- 根据权利要求38所述的方法,其特征在于,所述向用户设备发送至少一个下行控制信息,各下行控制信息分别携带下行分配索引,至少一个所述下行控制信息还携带下行分配总数,包括:将各下行控制信息的下行分配索引分别设置在各下行控制信息中;并且,若下行控制信息的下行分配索引大于第二阈值,则将所述下行分配总数设置在所述下行控制信息中的TPC域;向用户设备发送至少一个所述下行控制信息。
- 根据权利要求42所述的方法,其特征在于,若存在多个下行控制信息的下行分配索引大于所述第二阈值;所述将所述下行分配总数设置在所述下行控制信息中的TPC域,包括:将所述下行分配总数设置在部分所述下行控制信息中的TPC域,将PUCCH格式4资源指示设置在部分所述下行控制信息中的TPC域。
- 根据权利要求43所述的方法,其特征在于,所述将所述下行分配总数设置在部分所述下行控制信息中的TPC域,将PUCCH格式4资源指示设置在部分所述下行控制信息中的TPC域,包括:若所述下行控制信息的下行分配索引大于所述第二阈值,且所述下行分 配索引的奇偶性与所述第二阈值相同,则将所述下行分配总数设置在所述下行控制信息中的TPC域;若所述下行控制信息的下行分配索引大于所述第二阈值,且所述下行分配索引的奇偶性与所述第二阈值不同,则将所述PUCCH格式4资源指示设置在所述下行控制信息中的TPC域。
- 根据权利要求38所述的方法,其特征在于,所述向用户设备发送至少一个下行控制信息,各下行控制信息分别携带下行分配索引,至少一个所述下行控制信息还携带下行分配总数,包括:将各下行控制信息的下行分配索引分别设置在各下行控制信息中,并且将所述下行分配总数设置在各下行控制信息的下行分配总数域,向用户设备发送至少一个所述下行控制信息。
- 根据权利要求38所述的方法,其特征在于,所述向用户设备发送至少一个下行控制信息,各下行控制信息分别携带下行分配索引,至少一个所述下行控制信息还携带下行分配总数,包括:将各下行控制信息的下行分配索引分别设置在各下行控制信息中,并且将所述下行分配总数设置在主载波携带的下行控制信息的下行分配总数域,向所述用户设备发送至少一个所述下行控制信息。
- 根据权利要求38所述的方法,其特征在于,所述向用户设备发送至少一个下行控制信息,各下行控制信息分别携带下行分配索引,至少一个所述下行控制信息还携带下行分配总数,包括:将所述下行分配总数设置在至少一个下行控制信息中,对携带有所述下行分配总数的下行控制信息的循环冗余效验码CRC进行特殊扰码处理获取扰码后的下行控制信息;将所述扰码后的下行控制信息和未经扰码处理的下行控制信息发送给所述用户设备;其中,所述扰码后的下行控制信息和所述未经扰码处理的下行控制信息均携带有下行分配索引。
- 根据权利要求38至47任一项所述的方法,其特征在于,若所述下行分配总数占用的比特数小于5比特,则获取所述下行分配总数占用的比特数对应的状态个数,将所述下行分配总数对所述状态个数取余获取所述下行 分配总数对应的状态,利用所述下行分配总数对应的状态表示所述下行分配总数。
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JP2018515004A (ja) | 2018-06-07 |
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EP3270535A1 (en) | 2018-01-17 |
CN111224755A (zh) | 2020-06-02 |
CN107431577B (zh) | 2020-02-14 |
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