WO2018171625A1 - 数据发送的方法、终端设备和网络设备 - Google Patents
数据发送的方法、终端设备和网络设备 Download PDFInfo
- Publication number
- WO2018171625A1 WO2018171625A1 PCT/CN2018/079821 CN2018079821W WO2018171625A1 WO 2018171625 A1 WO2018171625 A1 WO 2018171625A1 CN 2018079821 W CN2018079821 W CN 2018079821W WO 2018171625 A1 WO2018171625 A1 WO 2018171625A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transport block
- scheduling information
- probability value
- resource
- retransmission
- Prior art date
Links
Images
Classifications
-
- 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
- H04L1/189—Transmission or retransmission of more than one copy of a message
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- 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
- H04L1/1607—Details of the supervisory signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
- H04L5/0082—Timing of allocation at predetermined intervals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/08—Upper layer protocols
-
- 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
Definitions
- the present application relates to the field of communications, and more particularly to a method of transmitting data, a terminal device, and a network device.
- the terminal device receives the first scheduling information that is sent by the network device and is used to transmit the first transport block, and transmits the first transport block according to the first scheduling information. . If the first transport block transmission sent by the terminal device to the network device fails, the terminal device may retransmit the first transport block. Specifically, the network device may send the second scheduling information indicating that the first transport block is retransmitted, where the second scheduling information carries the indication information indicating that the terminal device retransmits the first transport block, and the terminal device retransmits according to the second scheduling information. a first transport block, such that the UE receives the first scheduling information from the time when the first transport block is transmitted according to the first scheduling information and the time when the second scheduling information is received to retransmit the first transport block according to the second scheduling information the same.
- Ultra-reliable and low latency communications (URLLC) services are considered in new radio (NR) systems and LTE-A evolved systems. Therefore, for the first transport block, which belongs to a URLLC service requiring a short transmission delay, when the first transport block needs to be retransmitted, the prior art solution is difficult to meet the requirement of a short transmission delay.
- the present application provides a data transmission method, a terminal device, and a network device, which can reduce the delay of data transmission.
- a method for data transmission includes: receiving, by a terminal device, first scheduling information, where the first scheduling information is used to indicate a first resource, where the first resource is used to send a first transport block. a resource, the first scheduling information is further used to indicate that part or all of the first transport block may be retransmitted, or that part or all of the first transport block may not be retransmitted; the terminal device is configured according to the first scheduling Information, transmitting the first transport block on the first resource.
- first scheduling information indicating that the first resource of the first transport block is sent and indicating that part or all of the first transport block may be retransmitted or may not be retransmitted, and according to the first scheduling information
- the first transport block is transmitted on the first resource. If the terminal device determines that part or all of the first transport block may be retransmitted according to the first scheduling information, receiving, by the terminal device, second scheduling information or the first information indicating that the terminal device retransmits part or all of the first transport block Before the three scheduling information, the terminal device may determine whether it is necessary to prepare for retransmission of part or all of the first transport block, thereby shortening the time during which the retransmission of part or all of the first transport block may be performed.
- the method further includes: determining, by the terminal device, that part or all of the first transport block may be retransmitted according to the first scheduling information, or that part or all of the first transport block may not Was retransmitted.
- the first scheduling information is used to indicate that some or all of the first transport block may be retransmitted, or that some or all of the first transport block may not be retransmitted. If the terminal device determines that part or all of the first transport block may be retransmitted according to the first scheduling information, receiving, by the terminal device, second scheduling information or the first information indicating that the terminal device retransmits part or all of the first transport block Before the three scheduling information, the terminal device may determine whether it is necessary to prepare for retransmission of part or all of the first transport block, thereby shortening the time during which the retransmission of part or all of the first transport block may be performed.
- the method further includes: the terminal device performing a preparation operation of retransmitting part or all of the first transport block, wherein the terminal device determines that part or all of the first transport block may be heavily pass.
- the terminal device determines, according to the first scheduling information, that part or all of the first transport block may be retransmitted, and the terminal device performs a preparation operation, so that the terminal device may retransmit some or all of the first transport block in a shorter time, thereby reducing The delay of retransmitting part or all of the first transport block.
- the preparation operation includes at least one of the following: encoding processing, configuring high-level configuration information, and receiving high-level configuration information.
- the terminal device performs encoding processing, which may be a preset code rate using Turbo's Parallel Concatenated Convolutional Code (PCCC) or Low Density Parity Check Code (LDPC) or convolutional coding.
- PCCC Parallel Concatenated Convolutional Code
- LDPC Low Density Parity Check Code
- convolutional Code, CC Convolutional Code, CC or Tail Biting Convolutional Code (TBCC) or Polar Code encoding method to encode at least one coding block, or a preset code rate using Turbo Or after encoding the at least one coding block by the coding mode of the PCCC or LDPC or CC or TBCC, performing one or more combinations of the following processes: scrambling, modulation, layer mapping, precoding.
- the first scheduling information is further used to indicate that a part or all of the first transmission block is retransmitted, and some or all of the first transmission block has a time-frequency domain resource, Transmitting part or all of the encoding mode of the first transport block, retransmitting part or all of the reference signal information of the first transport block, retransmitting part or all of the redundancy version of the first transport block, retransmitting part or All of the encoding rate of the first transport block, retransmitting part or all of the antenna port of the first transport block, retransmitting part or all of the precoding matrix indication information of the first transport block, retransmitting part or all
- the carrier indication information of the first transport block, the retransmission of part or all of the time interval of the first transport block, the retransmission of part or all of the start information of the first transport block, and the retransmission of part or all of the first At least one of the power control command words of the retransmission of the transport block.
- the first scheduling information is used to indicate that the encoding or the like of the first transport block is retransmitted, and the information of the scheduling information of the first transport block for retransmitting part or all of the information may be reduced, thereby reducing the network.
- the retransmission part or all of the first transport block may be modulated by QPSK, or 16QAM, or 64QAM, or 256QAM, or 512QAM, or 1024QAM, which is not limited in the present invention.
- the time-frequency domain resource of the first transport block that retransmits part or all of the first transport block may be one or more time domain resources, and/or one or more frequency domain resources, which are not limited by the present invention.
- the encoding manner of the first transmission block that is retransmitted in part or in whole may be Turbo, or PCCC, or LDPC, or CC, or TBCC, or Polar, which is not limited in the present invention.
- retransmitting part or all of the reference signal information of the first transport block may be the transmit position information of the reference signal, and/or the sequence of the reference signal, and/or the comb structure of the reference signal, the present invention does not Make restrictions.
- the redundancy version of the first transport block that retransmits part or all of the first transport block may be 0, or 1, or 2, or 3.
- the invention is not limited.
- the code rate of the first transport block that retransmits part or all of the first transport block may be any positive number greater than 0, which is not limited in the present invention.
- the antenna port of the first transport block that retransmits part or all of the antenna may be any antenna port number, which is not limited in the present invention.
- re-transmitting part or all of the precoding matrix indication information of the first transport block may be a precoding indication of one or more beams, which is not limited in the present invention.
- the carrier indication information of the first transmission block that is retransmitted in part or in all may be a carrier index number or a carrier group index number, which is not limited in the present invention.
- the time interval of retransmitting part or all of the first transport block may be the definition of the time interval in steps 301 to 302, and details are not described herein again.
- retransmitting part or all of the startup information of the first transport block may be to start retransmission preparation before receiving scheduling information indicating retransmission, or to initiate retransmission preparation before receiving scheduling information indicating retransmission,
- the invention is not limited.
- the power control command word for retransmitting part or all of the retransmission of the first transport block may be a power control command word indicating one carrier, or may be a power control command word indicating a carrier group, and the present invention does not limit.
- first scheduling information may also be used to indicate that the information may be one type of information, or may be multiple times of information, or may be multiple pieces of the same type of information.
- the method further includes: receiving, by the terminal device, second scheduling information, where the second scheduling information is used to indicate that the terminal device retransmits part or all of the first transport block on the second resource; The terminal device retransmits part or all of the first transport block on the second resource according to the second scheduling information.
- the preparation operation may be performed before receiving the second scheduling information, and the time for performing retransmission of part or all of the first transport block is reduced compared to the conventional scheme. .
- the method further includes: receiving, by the terminal device, third scheduling information, where the third scheduling information is used to instruct the terminal device to retransmit part or all of the first transport block;
- the third scheduling information and/or the first scheduling information determines a third resource; the terminal device retransmits part or all of the first transport block on the third resource.
- the first scheduling information is used to indicate that the encoding or the like of the first transport block is retransmitted, and the third scheduling information includes indication information other than the first scheduling information.
- the terminal device determines the third resource according to the third scheduling information and/or the first scheduling information, and determines, on the third resource, retransmitting part or all of the first transport block.
- the first scheduling information can reduce information used to indicate that the scheduling information bearer of the first transport block is partially or completely retransmitted, thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- the method further includes: determining, by the terminal device, the first transport block or the weight of the retransmitted portion according to at least one of the high layer signaling, the first scheduling information, the second scheduling information, and the third scheduling information Pass all the first transport blocks.
- the terminal device may determine the first transport block of the retransmission portion or retransmit all of the first transport block.
- the first transport block of the part may be at least one code block, or may be at least one code block group, which is not limited in this application. If the first transport block of the retransmission part is determined, the size of the retransmission transport block is reduced compared to the conventional scheme, and the network resource utilization is improved.
- the first scheduling information includes first indication information, where the first indication information is used to indicate one of at least two modulation and coding mode MCS tables, and the first one of the at least two MCS tables is used by The first transport block indicating partial or full may be retransmitted, and the second of the at least two MCS tables is used to indicate that some or all of the first transport block may not be retransmitted.
- the first scheduling information includes second indication information, where the second indication information is at least one bit, and the first bit status value of the at least one bit is used to indicate part or all of the first transmission.
- the block may be retransmitted, the second bit state value of the at least one bit being used to indicate that some or all of the first transport block may not be retransmitted.
- the first bit status value of the at least one bit is used to indicate that part or all of the first transport block may be retransmitted, and the second bit status value of the at least one bit is used to indicate that part or all of the first transport block may not Retransmitted to indicate whether the first transport block may be retransmitted or not retransmitted by "explicit", introducing a dedicated indication information field, so that the network device can flexibly indicate whether some or all of the first transport block may be Retransmission.
- the first scheduling information includes third indication information, where the third indication information is used to indicate one of the at least two time intervals, and the first time interval of the at least two time intervals is used to indicate Some or all of the first transport block may be retransmitted, and a second one of the at least two time intervals is used to indicate that some or all of the first transport block may not be retransmitted.
- the method further includes: the terminal device receiving the high layer signaling, where the high layer signaling includes a first threshold; the terminal device determining, according to the first threshold, the first time interval and/or the first Two time intervals.
- the terminal device determines that the time interval indicated by the third indication information is the first time interval or the second time interval, according to the first threshold that is included in the high-level signaling, to prevent the network device from separately transmitting the specific first time interval or the second time interval. Thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- the third indication information is used to indicate one of the at least two time intervals, where the first time interval of the at least two time intervals is used to indicate that part or all of the first transport block may be retransmitted, the at least two times
- the second time interval in the interval is used to indicate that some or all of the first transport block may not be retransmitted, indicating whether the first transport block may be retransmitted or not retransmitted in an "implicit" manner, without introducing
- the additional indication information field can reduce the information carried by the first scheduling information, thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- the time interval in the at least two time intervals includes at least one of the following:
- the time domain resource of the first scheduling information is time domain resource #A
- the first time domain resource included in the first resource is time domain resource #B
- the time interval is time domain resource #A to time domain resource #B
- the time domain resource lengths of the time domain resource #A and the time domain resource #B are all the first time length, and the time interval is (BA) the first time length;
- time domain resource of the first scheduling information is time domain resource #A
- time domain resource that may receive the second scheduling information is time domain resource #C
- time interval is time domain resource #A to time domain resource #C
- the time domain resource lengths of the time domain resource #A and the time domain resource #C are all the first time length, and then the time interval is (CA) the first time length
- the time domain resource of the first scheduling information is time domain resource #A
- the time domain resource of the first transport block may be retransmitted part or all of the time domain resource #D
- the time interval is time domain resource #A Domain resource #D, assuming that the time domain resource lengths of the time domain resource #A and the time domain resource #D are all the first time length, then the time interval is (DA) the first time length;
- the first time domain resource included in the first resource is time domain resource #B, and some or all of the time domain resource #D of the first transport block may be retransmitted, and the time interval is time domain resource #B to time domain.
- Resource #D assuming that the time domain resource lengths of the time domain resource #B and the time domain resource #D are all the first time lengths, then the time interval is (DB) times of the first time length;
- the first time domain resource included in the first resource is the time domain resource #B
- the time domain resource that may receive the second scheduling information is the time domain resource #C
- the time interval is the time domain resource #B to the time domain resource.
- the time domain resource that receives the second scheduling information is time domain resource #C, and may retransmit some or all of the time domain resource #D of the first transport block, and the time interval is time domain resource #C to time domain resource # D, assuming that the time domain resource lengths of the time domain resource #C and the time domain resource #D are all the first time length, then the time interval is (DC) the time of the first time length;
- the time domain resource that may receive the second scheduling information may receive the time domain resource of the third scheduling information, and may retransmit some or all of the time domain resources of the first transport block, which may be a predefined or higher layer signaling configuration. Time domain resources.
- the first scheduling information includes fourth indication information, where the fourth indication information is used to indicate one of the at least two modulation and coding mode MCS values, and the first MCS value of the at least two MCS values.
- the first transport block for indicating part or all may be retransmitted, and the second MCS value of the at least two MCS values is used to indicate that some or all of the first transport block may not be retransmitted.
- the mode indicates whether part or all of the first transport block may be retransmitted or not retransmitted without introducing an additional indication information field, which can reduce information carried by the first scheduling information, thereby reducing control signaling overhead in the network. Improve network transmission efficiency.
- a second aspect provides a data receiving method, where the method includes: the network device sends first scheduling information, where the first scheduling information is used to indicate a first resource, where the first resource is used to send the first transport block. a resource, the first scheduling information is further used to indicate that part or all of the first transport block may be retransmitted, or that part or all of the first transport block may not be retransmitted; the network device is on the first resource Receiving the first transport block.
- the terminal device can determine whether it is necessary to prepare for retransmission of the first transport block according to whether part or all of the first transport block may be retransmitted or may not be retransmitted.
- the preparation operation is performed in advance when it is determined that the first transport block may be retransmitted, reducing the time for performing the retransmission of part or all of the first transport block.
- the first scheduling information includes first indication information, where the first indication information is used to indicate one of at least two modulation and coding mode MCS tables, and the first one of the at least two MCS tables is used by The first transport block indicating partial or full may be retransmitted, and the second of the at least two MCS tables is used to indicate that some or all of the first transport block may not be retransmitted.
- the network device sends the first scheduling information that includes the first indication information, so that the terminal device determines, according to the first indication information, whether the MCS table is the first table or the second table, and can determine whether the first transport block may be retransmitted or possible. Not being retransmitted, indicating whether the first transport block may be retransmitted or not retransmitted in an "implicit" manner, without introducing an additional indication information field, which can reduce the information carried by the first scheduling information, thereby reducing Control signaling overhead in the network to improve network transmission efficiency.
- the first scheduling information includes second indication information, where the second indication information is at least one bit, and the first bit status value of the at least one bit is used to indicate part or all of the first transmission.
- the block may be retransmitted, the second bit state value of the at least one bit being used to indicate that some or all of the first transport block may not be retransmitted.
- the first bit status value of the at least one bit is used to indicate that part or all of the first transport block may be retransmitted, and the second bit status value of the at least one bit is used to indicate that part or all of the first transport block may not Retransmitted to indicate whether the first transport block may be retransmitted or not retransmitted by "explicit", introducing a dedicated indication information field, so that the network device can flexibly indicate whether some or all of the first transport block may be Retransmission.
- the first scheduling information includes third indication information, where the third indication information is used to indicate one of the at least two time intervals, and the first time interval of the at least two time intervals is used to indicate Some or all of the first transport block may be retransmitted, and a second one of the at least two time intervals is used to indicate that some or all of the first transport block may not be retransmitted.
- the third indication information is used to indicate one of the at least two time intervals, where the first time interval of the at least two time intervals is used to indicate that part or all of the first transport block may be retransmitted, the at least two times
- the second time interval in the interval is used to indicate that some or all of the first transport block may not be retransmitted, indicating whether the first transport block may be retransmitted or not retransmitted in an "implicit" manner, without introducing
- the additional indication information field can reduce the information carried by the first scheduling information, thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- the time interval in the at least two time intervals includes at least one of the following:
- the time domain resource of the first scheduling information is time domain resource #A
- the first time domain resource included in the first resource is time domain resource #B
- the time interval is time domain resource #A to time domain resource #B
- the time domain resource lengths of the time domain resource #A and the time domain resource #B are all the first time length, and the time interval is (BA) the first time length;
- time domain resource of the first scheduling information is time domain resource #A
- time domain resource that may receive the second scheduling information is time domain resource #C
- time interval is time domain resource #A to time domain resource #C
- the time domain resource lengths of the time domain resource #A and the time domain resource #C are all the first time length, and then the time interval is (CA) the first time length
- the time domain resource of the first scheduling information is time domain resource #A
- the time domain resource of the first transport block may be retransmitted part or all of the time domain resource #D
- the time interval is time domain resource #A Domain resource #D, assuming that the time domain resource lengths of the time domain resource #A and the time domain resource #D are all the first time length, then the time interval is (DA) the first time length;
- the first time domain resource included in the first resource is time domain resource #B, and some or all of the time domain resource #D of the first transport block may be retransmitted, and the time interval is time domain resource #B to time domain.
- Resource #D assuming that the time domain resource lengths of the time domain resource #B and the time domain resource #D are all the first time lengths, then the time interval is (DB) times of the first time length;
- the first time domain resource included in the first resource is the time domain resource #B
- the time domain resource that may receive the second scheduling information is the time domain resource #C
- the time interval is the time domain resource #B to the time domain resource.
- the time domain resource that receives the second scheduling information is time domain resource #C, and may retransmit some or all of the time domain resource #D of the first transport block, and the time interval is time domain resource #C to time domain resource # D, assuming that the time domain resource lengths of the time domain resource #C and the time domain resource #D are all the first time length, then the time interval is (DC) the time of the first time length;
- the time domain resource that may receive the second scheduling information may receive the time domain resource of the third scheduling information, and may retransmit some or all of the time domain resources of the first transport block, which may be a predefined or higher layer signaling configuration. Time domain resources.
- the method further includes: the network device sending the high layer signaling, where the high layer signaling includes the first threshold, so that the terminal device determines the first time interval and/or the second according to the first threshold time interval.
- the network device sends the high-level signaling that carries the first threshold to the terminal device, so that the terminal device determines, according to the first threshold, that the time interval indicated by the third indication information is the first time interval or the second time interval, so as to prevent the network device from transmitting the specific The first time interval or the second time interval, thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- the first scheduling information includes fourth indication information, where the fourth indication information is used to indicate one of the at least two modulation and coding mode MCS values, and the first MCS value of the at least two MCS values.
- the first transport block for indicating part or all may be retransmitted, and the second MCS value of the at least two MCS values is used to indicate that some or all of the first transport block may not be retransmitted.
- the network device sends the first scheduling information that includes the fourth indication information to the terminal device, so that the terminal device determines, according to the fourth indication information, whether the MCS value is the first MCS value or the second MCS value, and further determines the part or all of the Whether a transport block may be retransmitted or not retransmitted, indicating whether some or all of the first transport block may be retransmitted or not retransmitted in an "implicit" manner without introducing an additional indication information field, such that The information carried by the first scheduling information can be reduced, thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- the first scheduling information is further used to indicate that a part or all of the first transmission block is retransmitted, a retransmission time-frequency domain resource of the first transport block, and the first transmission Encoding method of retransmission of the block, reference signal information of retransmission of the first transport block, redundancy version of retransmission of the first transport block, coding rate of retransmission of the first transport block, the first Retransmitting the antenna port of the transport block, retransmitting precoding matrix indication information of the first transport block, retransmitting part or all of the carrier indication information of the first transport block, retransmitting part or all of the first transmission At least one of a time interval of the block, activation information of the retransmission of the first transport block, and a power control command word of the retransmission of the first transport block.
- the first scheduling information is used to indicate that the encoding or the like of the first transport block is retransmitted, and the information of the scheduling information of the first transport block for retransmitting part or all of the information may be reduced, thereby reducing the network.
- the method further includes: the network device sending second scheduling information, where the second scheduling information is used to indicate that the terminal device retransmits part or all of the first transport block on the second resource; The network device receives some or all of the first transport block on the second resource.
- the terminal device Since the terminal device has prepared the operation for retransmitting the first transport block, the time for performing the retransmission of the first transport block is reduced compared to the conventional scheme.
- the first scheduling information further includes retransmitting part or all of the third resource of the first transport block, the method further comprising: the network device sending third scheduling information, the third scheduling information And the network device is configured to retransmit part or all of the first transport block on the third resource; the network device receives part or all of the first transport block on the third resource.
- the first scheduling information is used to indicate that the encoding or the like of the first transport block is retransmitted, and the third scheduling information includes indication information other than the first scheduling information. Since the terminal device has prepared the operation for retransmitting the first transport block, the time for performing the retransmission of the first transport block is reduced compared to the conventional scheme. In addition, the first scheduling information can reduce information used to indicate that the scheduling information bearer of the first transport block is partially or completely retransmitted, thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- a method for data transmission includes: receiving, by a terminal device, first scheduling information, where the first scheduling information is used to indicate a first resource, where the first resource is used to send a first transport block. a resource, the first scheduling information is further used to indicate a probability value, where the probability value is that the network device receives the block error rate of the first transport block on the first resource or the network device receives the first resource a probability of success of the first transport block; the terminal device sends the first transport block on the first resource according to the first scheduling information.
- first scheduling information which is used to indicate that the first resource of the first transport block is sent
- first scheduling information is further used to indicate a probability value
- the probability value may be a block error of receiving the first transport block predicted by the network device.
- the probability of success of receiving the first transport block predicted by the rate or network device.
- the terminal device can receive the probability value of the first transport block successfully according to the network device, and determine whether it is necessary to prepare for retransmission of all or part of the first transport block, thereby shortening the first transmission of performing part or all of the retransmission.
- the block time reduces the retransmission delay.
- the probability value is a first probability value or a second probability value, the first probability value indicating retransmission of all or part of the first transport block, the second probability value indicating not to retransmit all or Part of the first transport block; or the probability value is a first probability value or a second probability value, the first probability value indicating that all or part of the first transport block may be retransmitted, the second probability value indicating a partial or All of the first transport blocks may not be retransmitted.
- the probability value or the second probability value may be determined by the terminal device or may be determined by the network device. In this way, the terminal device can determine whether it is necessary to prepare for retransmission of all or part of the first transport block according to whether the probability value is the first probability value or the second probability value, thereby shortening the execution of retransmitting part or all of the first transport block. Time, reducing the retransmission delay.
- the first scheduling information includes first indication information, where the first indication information is used to indicate one of at least two modulation and coding mode MCS tables, and the first one of the at least two MCS tables is used by Instructing the first probability value, a second of the at least two MCS tables is used to indicate the second probability value.
- the terminal device determines, according to the first indication information, whether the MCS table is the first table or the second table, and can determine whether the probability value is the first probability value or the second probability value in an “implicit” manner, without introducing an additional indication.
- the information domain can reduce the information carried by the first scheduling information, thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- the first scheduling information includes second indication information, where the second indication information is at least one bit, and a first bit state value of the at least one bit is used for the first probability value, the at least one The second bit state value of the bit is used to indicate the second probability value.
- the first bit state value of the at least one bit determines the first probability value or the second probability value by an "explicit" indication, ie, introducing a dedicated indication information field, such that the flexibility of the network device indicating the probability value is increased.
- the first scheduling information includes third indication information, where the third indication information is used to indicate one of the at least two time intervals, and the first time interval of the at least two time intervals is used to indicate The first probability value, the second time interval of the at least two time intervals is used to indicate the second probability value.
- the third indication information is used to indicate one of the at least two time intervals, the first time interval of the at least two time intervals is used to indicate a first probability value, and the second time interval of the at least two time intervals is used for
- the second probability value is indicated, that is, indicated by the “implicit” manner, and no additional indication information field is introduced, which can reduce the information carried by the first scheduling information, thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- the time interval in the at least two time intervals includes at least one of the following:
- the time domain resource of the first scheduling information is time domain resource #A
- the first time domain resource included in the first resource is time domain resource #B
- the time interval is time domain resource #A to time domain resource #B
- the time domain resource lengths of the time domain resource #A and the time domain resource #B are all the first time length, and the time interval is (BA) the first time length;
- time domain resource of the first scheduling information is time domain resource #A
- time domain resource that may receive the second scheduling information is time domain resource #C
- time interval is time domain resource #A to time domain resource #C
- the time domain resource lengths of the time domain resource #A and the time domain resource #C are all the first time length, and then the time interval is (CA) the first time length
- the time domain resource of the first scheduling information is time domain resource #A
- the time domain resource of the first transport block may be retransmitted part or all of the time domain resource #D
- the time interval is time domain resource #A Domain resource #D, assuming that the time domain resource lengths of the time domain resource #A and the time domain resource #D are all the first time length, then the time interval is (DA) the first time length;
- the first time domain resource included in the first resource is time domain resource #B, and some or all of the time domain resource #D of the first transport block may be retransmitted, and the time interval is time domain resource #B to time domain.
- Resource #D assuming that the time domain resource lengths of the time domain resource #B and the time domain resource #D are all the first time lengths, then the time interval is (DB) times of the first time length;
- the first time domain resource included in the first resource is the time domain resource #B
- the time domain resource that may receive the second scheduling information is the time domain resource #C
- the time interval is the time domain resource #B to the time domain resource.
- the time domain resource that receives the second scheduling information is time domain resource #C, and may retransmit some or all of the time domain resource #D of the first transport block, and the time interval is time domain resource #C to time domain resource # D, assuming that the time domain resource lengths of the time domain resource #C and the time domain resource #D are all the first time length, then the time interval is (DC) the time of the first time length;
- the time domain resource that may receive the second scheduling information may receive the time domain resource of the third scheduling information, and may retransmit some or all of the time domain resources of the first transport block, which may be a predefined or higher layer signaling configuration. Time domain resources.
- the first scheduling information includes fourth indication information, where the fourth indication information is used to indicate one of the at least two modulation and coding mode MCS values, and the first MCS value of the at least two MCS values. And indicating a first probability value, where a second MCS value of the at least two MCS values is used to indicate a second probability value.
- the additional indication information field can reduce the information carried by the first scheduling information, thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- the method further includes: the terminal device receiving the high layer signaling, where the high layer signaling includes a first threshold; the terminal device determining, according to the first threshold, the first time interval and/or the first Two time intervals.
- the terminal is configured to set a time interval in which the time interval indicated by the third indication information is greater than the first threshold as the first time interval, and set a time interval in which the time interval indicated by the third indication information is less than or equal to the first threshold as the second time interval.
- the time interval, or the opposite setting, may also be performed, so that the terminal device can determine whether the probability value is the first probability value or the second probability value, thereby determining whether it is necessary to prepare for retransmission of all or part of the first transport block, thereby It is possible to shorten the time for performing the retransmission of part or all of the first transport block.
- the method further includes: the terminal device performing a preparation operation of retransmitting the first transport block, wherein the terminal device determines the first probability value.
- the terminal device determines the first probability value according to the first scheduling information, and the terminal device performs a preparation operation, so that the terminal device can retransmit some or all of the first transport block in a shorter time, thereby reducing the retransmission of part or all of the first The delay of a transport block.
- the first scheduling information is further used to indicate that a part or all of the first transmission block is retransmitted, and some or all of the first transmission block has a time-frequency domain resource, Transmitting part or all of the encoding mode of the first transport block, retransmitting part or all of the reference signal information of the first transport block, retransmitting part or all of the redundancy version of the first transport block, retransmitting part or All of the encoding rate of the first transport block, retransmitting part or all of the antenna port of the first transport block, retransmitting part or all of the precoding matrix indication information of the first transport block, retransmitting part or all
- the carrier indication information of the first transport block, the retransmission of part or all of the time interval of the first transport block, the retransmission of part or all of the start information of the first transport block, and the retransmission of part or all of the first At least one of the power control command words of the transport block.
- the first scheduling information is used to indicate that the encoding or the like of the first transport block is retransmitted, and the information of the scheduling information of the first transport block for retransmitting part or all of the information may be reduced, thereby reducing the network.
- the method further includes: receiving, by the terminal device, second scheduling information, where the second scheduling information is used to indicate that the terminal device retransmits part or all of the first transport block on the second resource; The terminal device retransmits part or all of the first transport block on the second resource according to the second scheduling information.
- the preparation operation may be performed before the second scheduling information is received, and the time for performing the retransmission of part or all of the first transport block is reduced compared to the conventional scheme.
- the method further includes: receiving, by the terminal device, third scheduling information, where the third scheduling information is used to instruct the terminal device to retransmit part or all of the first transport block; The third scheduling information and the first scheduling information retransmit part or all of the first transport block on the third resource.
- the first scheduling information is used to indicate that the encoding or the like of the first transport block is retransmitted, and the third scheduling information includes indication information other than the first scheduling information.
- the terminal device determines the third resource according to the third scheduling information and/or the first scheduling information, and retransmits part or all of the first transport block on the third resource.
- a fourth aspect provides a data receiving method, including: the network device sends first scheduling information, where the first scheduling information is used to indicate a first resource, where the first resource is a resource used to send the first transport block, The first scheduling information is further used to indicate a probability value, where the probability value is that the network device receives the error block rate of the first transport block on the first resource or the network device receives the first resource on the first resource The probability of success of the transport block; the network device receives the first transport block on the first resource.
- the network device sends, to the terminal device, first scheduling information, which is used to indicate that the first resource of the first transport block is sent, where the first scheduling information is further used to indicate a probability value, where the probability value may be a received first transport block predicted by the network device.
- the block error rate or the success probability of the network device predicting the first transport block so that the terminal device can determine the probability value of the first transport block according to the success of the network device prediction, and determine whether it is necessary to retransmit all or part of the first
- the transport block is ready to operate, thereby reducing the time required to retransmit some or all of the first transport block and reducing the retransmission delay.
- the probability value is a first probability value or a second probability value, where the first probability value indicates retransmission of all or part of the first transport block, and the second probability value indicates no Retransmitting all or part of the first transport block; or the probability value is a first probability value or a second probability value, the first probability value indicating that all or part of the first transport block may be retransmitted, The second probability value indicates that some or all of the first transport blocks may not be retransmitted.
- the probability value or the second probability value may be determined by the terminal device or may be determined by the network device.
- the network device may determine whether it is necessary to prepare for retransmission of all or part of the first transport block according to whether the probability value is the first probability value or the second probability value, thereby shortening the time for performing retransmission of part or all of the first transport block. , reducing the retransmission delay.
- the first scheduling information includes first indication information, where the first indication information is used to indicate one of at least two modulation and coding mode MCS tables, and the first one of the at least two MCS tables A table is used to indicate the first probability value, and a second one of the at least two MCS tables is used to indicate the second probability value.
- the network device sends the first scheduling information that includes the first indication information to the terminal device, so that the terminal device determines, according to the first indication information, whether the MCS table is the first table or the second table, so that the probability can be determined by using an “implicit” manner. Whether the value is the first probability value or the second probability value, and no additional indication information field is introduced, so that the information carried by the first scheduling information can be reduced, thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- the first scheduling information includes second indication information, where the second indication information is at least one bit, and a first bit state value of the at least one bit is used for the first probability value.
- the second bit state value of the at least one bit is used to indicate the second probability value.
- the network device sends the first scheduling information that includes the first indication information to the terminal device, so that the terminal device determines the first probability value or the second probability value by using an “explicit” indication, that is, the dedicated indication information field is introduced, and the network device indication is improved.
- the flexibility of probability values is possible.
- the first scheduling information includes third indication information, where the third indication information is used to indicate one of at least two time intervals, and the first time interval of the at least two time intervals is used by And indicating the first probability value, a second time interval of the at least two time intervals is used to indicate the second probability value.
- the network device sends the first scheduling information that includes the third indication information to the terminal device, where the third indication information is used to indicate one of the at least two time intervals, where the first time interval of the at least two time intervals is used to indicate the first a probability value, the second time interval of the at least two time intervals is used to indicate the second probability value, that is, indicated by an “implicit” manner, without introducing an additional indication information field, which can reduce the bearer of the first scheduling information. Information, thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- the first scheduling information includes fourth indication information, where the fourth indication information is used to indicate one of the at least two modulation and coding mode MCS values, and the first MCS value of the at least two MCS values. And indicating a first probability value, where a second MCS value of the at least two MCS values is used to indicate a second probability value.
- the network device sends, to the terminal device, the first scheduling information that includes the fourth indication information, so that the terminal device determines, according to the fourth indication information, whether the MCS value is the first MCS value or the second MCS value, and thus can adopt an “implicit” indication manner. It is determined whether the probability value is the first probability value or the second probability value, and no additional indication information field is introduced, so that the information carried by the first scheduling information can be reduced, thereby reducing control signaling overhead in the network and improving network transmission efficiency.
- the method further includes: the network device transmitting the high layer signaling, where the high layer signaling includes a first threshold, where the first threshold is used by the terminal device to determine the first time interval and/or The second time interval.
- the network device may preset the first threshold, and send the information to the terminal device by using the high layer signaling, where the terminal may set the time interval indicated by the third indication information to be greater than the first threshold as the first time interval, and the third indication
- the time interval in which the time interval indicated by the information is less than or equal to the first threshold is set to the second time interval, or the opposite setting may also be performed, so that the terminal device may determine whether the probability value is the first probability value or the second probability value. Further, it is determined whether it is necessary to prepare for retransmission of all or part of the first transport block, so that the time for performing retransmission of part or all of the first transport block can be shortened.
- the first scheduling information is further used to indicate that a part or all of the first transmission block is retransmitted, and a part or all of the first transmission block is retransmitted.
- the matrix indicates information, retransmits part or all of the carrier indication information of the first transport block, retransmits part or all of the start information of the first transport block, and retransmits part or all of the first transport block At least one of the power control command words.
- the first scheduling information is used to indicate that the encoding or the like of the first transport block is retransmitted, and the information of the scheduling information of the first transport block for retransmitting part or all of the information may be reduced, thereby reducing the network.
- the method further includes: the network device sending second scheduling information, where the second scheduling information is used to instruct the terminal device to retransmit part or all of the second resource a first transport block; the network device receiving some or all of the first transport block on the second resource.
- the preparation operation may be performed before the second scheduling information is received, and the time for performing the retransmission of part or all of the first transport block is reduced compared to the conventional scheme.
- the method further includes: the network device sending third scheduling information, where the third scheduling information is used to instruct the terminal device to retransmit part or all of the first transport block; The network device receives some or all of the first transport block on a third resource.
- the first scheduling information is used to indicate that the encoding or the like of the first transport block is retransmitted, and the third scheduling information includes indication information other than the first scheduling information.
- the network device receives, at the third resource, the terminal device to retransmit part or all of the first transport block on the third resource.
- a terminal device comprising means for performing the method of the first aspect or any of the possible implementations of the first aspect.
- a network device comprising means for performing the method of any of the possible implementations of the second aspect or the second aspect.
- a terminal device comprising means for performing the method of any of the third aspect or any of the possible implementations of the third aspect.
- a network device comprising means for performing the method of any of the possible implementations of the fourth aspect or the fourth aspect.
- a system comprising:
- the terminal device of the above fifth aspect and the network device of the above sixth aspect are identical to the terminal device of the above fifth aspect and the network device of the above sixth aspect.
- a system comprising:
- the terminal device of the above seventh aspect and the network device of the above eighth aspect are identical to the terminal device of the above seventh aspect and the network device of the above eighth aspect.
- a terminal device comprising: a processor, a memory, and a communication interface.
- the processor is coupled to the memory and communication interface.
- the memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor.
- the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of the first aspect or any of the possible implementations of the first aspect.
- a network device including a processor, a memory, and a communication interface.
- the processor is connected to the memory and communication interface.
- the memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor.
- the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of any of the possible implementations of the second aspect or the second aspect.
- a terminal device including: a processor, a memory, and a communication interface.
- the processor is coupled to the memory and communication interface.
- the memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor.
- the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of any of the possible implementations of the third aspect or the third aspect.
- a network device including a processor, a memory, and a communication interface.
- the processor is coupled to the memory and communication interface.
- the memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor.
- the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of any of the possible implementations of the fourth aspect or the fourth aspect.
- a computer storage medium storing program code for indicating data transmission in performing any of the above first aspect or the first aspect of the first aspect The instructions of the method.
- a computer storage medium storing program code for indicating data transmission in performing any of the foregoing second aspect or the second aspect of the second aspect The instructions of the method.
- a computer storage medium storing program code for indicating data transmission in performing any of the foregoing third aspect or the third aspect of the possible implementation manner The instructions of the method.
- a computer storage medium storing program code for indicating data transmission in performing any of the foregoing fourth aspect or the fourth aspect of the possible implementation manner The instructions of the method.
- the terminal device receives the first resource for indicating the first transmission block and the first scheduling information indicating that the terminal device is transmitting the probability value of the first transport block, and is first according to the first scheduling information. Transmitting the first transport block on the resource, so that the terminal device can determine whether it is necessary to retransmit all or part of the first transport block according to the probability value, and prepare for the operation when determining that the first transport block needs to be retransmitted, thereby shortening The time to retransmit some or all of the first transport block is reduced, reducing the retransmission delay.
- 1 is a schematic diagram of data channel transmission of a conventional scheme
- FIG. 2 is a schematic diagram of data channel retransmission of a conventional scheme
- FIG. 3 is a schematic flowchart of a method for data transmission according to an embodiment of the present application.
- FIG. 4 is a schematic flowchart of a method for data transmission according to another embodiment of the present application.
- FIG. 5 is a schematic flowchart of a method for data transmission according to another embodiment of the present application.
- FIG. 6 is a schematic block diagram of a terminal device according to an embodiment of the present application.
- FIG. 7 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
- FIG. 8 is a schematic block diagram of a network device according to an embodiment of the present application.
- FIG. 9 is a schematic structural diagram of a network device according to an embodiment of the present application.
- Figure 10 is a schematic block diagram of a system in accordance with one embodiment of the present application.
- GSM Global System of Mobile communication
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access Wireless
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- LTE Frequency Division Duplex Frequency Division Duplex
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- UMTS Universal Mobile Telecommunication System
- NR new generation radio communication system
- LTE and NR systems are taken as an example for description, but the present application is not limited thereto.
- a user equipment may be referred to as a terminal, a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), etc.
- the user equipment may be
- a radio access network (RAN) communicates with one or more core networks
- the UE may be referred to as an access terminal, a terminal device, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, Mobile device, user terminal, terminal, wireless communication device, user agent or user device.
- the UE may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), or a wireless communication function.
- SIP Session Initiation Protocol
- WLL Wireless Local Loop
- PDA Personal Digital Assistant
- the resources used in the embodiments of the present application may include a scheduling resource, and may also include an unscheduled resource.
- each communication device for example, a network device or a terminal device
- the scheduling transmission scheme uses resources to communicate, and may also use resources to communicate based on the scheduling manner, which is not specifically limited in the embodiment of the present application.
- the scheduling transmission may be that the resources used by the terminal device to transmit data need to be allocated by the network device and notified to the terminal device.
- the data transmission may be based on the base station scheduling, and the basic time unit of the scheduling is one or more time resources, wherein the time length of the time resource may be one or more symbols, or may be One or more symbol groups may also be one or more mini-slots, one or more time slots, or one or more sub-frames, where the symbol may be a frequency domain in which one sub-carrier is located.
- the symbol of 15 kHz may also be a symbol of a communication system in which the frequency domain of one subcarrier is greater than 15 kHz;
- the time slot is a time slot in which the frequency domain of one subcarrier is 15 kHz, or the frequency domain in which one subcarrier is located is larger than
- the time slot of the 15 kHz communication system may be less than 0.5 ms in length;
- the mini time slot is a mini time slot in which the frequency domain of one subcarrier is 60 kHz, or the time slot of another communication system in the frequency domain where one subcarrier is located,
- the length may be smaller than the time slot;
- the subframe is a sub-frame in which the sub-carrier is located in the frequency domain of 15 kHz, or a sub-frame of the communication system in which the frequency domain of one sub-carrier is greater than 15 kHz, and the length It can be less than 1 ms, which is not limited in this embodiment.
- a time domain resource refers to one or more time resources
- a frequency domain resource may be one or more subcarriers, or may be one or more short physical resource blocks (SPRBs), or may be one or more short physical resource block groups (Short Physical Resource Block Group). , SRBG), may also be one or more Short Virtul Resource Blocks (SVRBs), may also be one or more subcarrier groups, may also be one or more carriers, or may be one or more Carrier group.
- SPRB and SVRB are the basic units for resource allocation of different meanings.
- SPRB is y consecutive subcarriers in the frequency domain, and is a resource with a transmission time length in the time domain. The transmission time length can be from 1 symbol to any number of symbols in x symbols, and x and y are positive integers.
- the SVRB has the same definition as SPRB when resource allocation, and SVRB has a certain correspondence with SPRB when distributed resource allocation.
- the SPRB index is an SPRB index
- the SVRB index is an SVRB index. Therefore, the SPRB index and the SVRB index may be different.
- the SRBG may include multiple SPRBs, and the number of SPRBs included in the SRBG is determined according to the bandwidth of the terminal device or is indicated by the network device.
- the SPRB index may be the number of the SPRB
- the SRBG index may be the number of the SRBB
- the SVRB index may be the number of the SVRB
- the subcarrier index may be the number of the subcarrier
- the subcarrier group index may be the number of the subcarrier group.
- the subcarrier group includes at least one subcarrier, where one subcarrier is located in a frequency domain equal to or greater than 15 kHz.
- the specific scheduling process is that the base station sends a control channel, and the control channel can carry scheduling information in different Downlink Control Information (DCI) format, and the scheduling information includes control information such as resource allocation information and modulation and coding mode.
- DCI Downlink Control Information
- the terminal device detects the control channel in one or more time resources, and performs downlink data channel reception or uplink data channel transmission according to the detected scheduling information carried in the control channel.
- the unscheduled transmission may be understood as any meaning of the following meanings, or multiple meanings, or a combination of some technical features in multiple meanings or other similar meanings:
- the unscheduled transmission may be: the network device pre-allocates and informs the terminal device of multiple transmission resources; when the terminal device has an uplink data transmission requirement, select at least one transmission resource from the plurality of transmission resources pre-allocated by the network device, and use the selected transmission.
- the resource sends uplink data; the network device detects uplink data sent by the terminal device on one or more of the pre-assigned multiple transmission resources.
- the detection may be blind detection, or may be performed according to one of the control domains in the uplink data, or may be detected in other manners.
- the unscheduled transmission may be: the network device pre-allocates and informs the terminal device of multiple transmission resources, so that when the terminal device has an uplink data transmission requirement, at least one transmission resource is selected from a plurality of transmission resources pre-allocated by the network device, and the selected one is used.
- the transmission resource sends uplink data.
- the unscheduled transmission may be: acquiring information of a plurality of pre-assigned transmission resources, selecting at least one transmission resource from the plurality of transmission resources when the uplink data transmission request is required, and transmitting the uplink data by using the selected transmission resource.
- the method of obtaining can be obtained from a network device or predefined.
- the unscheduled transmission may refer to a method for implementing uplink data transmission of the terminal device without dynamic scheduling of the network device, where the dynamic scheduling may refer to that the network device indicates the transmission resource by signaling for each uplink data transmission of the terminal device.
- implementing uplink data transmission of the terminal device may be understood as allowing data of two or more terminal devices to perform uplink data transmission on the same time-frequency resource.
- the transmission resource may be a transmission resource of one or more time domain resources after the moment when the terminal device receives the signaling.
- the unscheduled transmission may refer to: the terminal device performs uplink data transmission without requiring network device authorization.
- the authorization may be performed by the terminal device sending an uplink scheduling request to the network device.
- the network device After receiving the scheduling request, the network device sends an uplink grant to the terminal device, where the uplink grant indicates the uplink transmission resource allocated to the terminal device.
- the unscheduled transmission may be referred to as a contention transmission mode.
- multiple terminals may simultaneously perform uplink data transmission on the same time-frequency resources allocated in advance, without requiring the base station to perform authorization.
- the high layer signaling may be: signaling sent by a higher layer protocol layer, and the upper layer protocol layer is at least one protocol layer in each protocol layer above the physical layer.
- the upper layer protocol layer may be specifically at least one of the following protocol layers: a medium access control (MAC) layer, a radio link control (RLC) layer, and a packet data convergence protocol (Packet Data Convergence). Protocol, PDCP) layer, Radio Resource Control (RRC) layer, Non-Access Stratum (NAS) layer, and the like.
- the data may be service data or high layer signaling data.
- the network device may be a Base Transceiver Station (BTS) in GSM, a base station (NodeB, NB) in WCDMA, or an evolved base station in LTE (Evolutional Node B).
- BTS Base Transceiver Station
- NodeB NodeB
- NB base station
- LTE Evolutional Node B
- the ENB or e-NodeB) may also be a new generation Node B (gNodeB).
- gNodeB new generation Node B
- the time domain in the Long Term Evolution-Advanced (LTE-A) system is identified by Radio-Frame, each radio frame consisting of 10 subframes of 1 millisecond (ms) length ( Frame, each subframe includes 2 slots.
- each radio frame consisting of 10 subframes of 1 millisecond (ms) length ( Frame, each subframe includes 2 slots.
- a resource element is a symbol in time and a subcarrier in frequency.
- the uplink symbol is called a Single Carrier Frequency Division Multiple Access (SC-FDMA) symbol
- the downlink symbol is called an Orthogonal Frequency Division Multiplexing (OFDM) symbol.
- SC-FDMA Single Carrier Frequency Division Multiple Access
- OFDM Orthogonal Frequency Division Multiplexing
- the uplink symbol may also be referred to as an OFDM symbol.
- the uplink symbol and the downlink symbol may be simply referred to as “symbols”.
- a packet whose transmission time interval (TTI) is reduced from 1 symbol to 0.5 ms is collectively referred to as an sTTI packet, or a packet whose TTI is not greater than 1 ms is referred to as an sTTI packet.
- the new radio (NR) system consists of multiple OFDM symbols or SC-FDMA symbols, but the length depends on different subcarrier spacing. For example, if the subcarrier spacing is 15 kHz, the time slot length is 0.5 ms; if the subcarrier spacing is greater than 15 kHz, the time slot is less than 0.5 ms.
- the NR system may contain a plurality of different subcarrier spacings, and one subcarrier spacing is referred to as a numerology. Under different numerologies, the length of time of symbols is different.
- Ultra-reliable and low latency communications requires short latency and high reliability, ie, transmission is successful in 1 ms.
- Enhanced mobile broadband eMBB
- mMTC Massive Machine Type Communications
- FIG. 1 shows a schematic diagram of a UE transmitting an uplink data channel.
- the step of the terminal device from no scheduling resource to sending the uplink data channel includes:
- the UE sends the SR on the 0th period, and waits for the network device to receive the SR on the 1st, 2nd, and 3th periods.
- the time slots can be numbered for convenience of description, and the length of each time slot corresponding to each number is 1 ms.
- the eNB receives the SR and generates scheduling information, and sends scheduling information to the UE. As shown in FIG. 1, the UE receives the scheduling information in the period No. 4. The eNB does not know the amount of data that the UE actually wants to send when generating the scheduling information.
- the UE performs preparation operations for transmitting data channels in periods 5, 6, and 7, for example, grouping, encoding, and the like.
- the UE sends an uplink data channel on the eighth time period, and carries the buffer status report (BSR) information of the UE and the first transport block in the uplink data channel, and the base station demodulates the uplink data channel to obtain
- BSR buffer status report
- the BSR learns that the amount of data of the UE has not been transmitted according to the BSR, and the base station further sends at least one scheduling information to instruct the UE to send the remaining data amount until the UE has no uplink data transmission.
- the retransmission scheduling information may carry a retransmission instruction indicating that the UE retransmits the first transport block, for example, carried in the scheduling information on the 12th period in FIG. 2
- the retransmission instruction of the first transport block is retransmitted, and then the UE starts to retransmit the packet of the packet after the period of the 12th period, and specifically, may perform encoding preparation and the like.
- the time from the receipt of the initial transmission scheduling information to the initial transmission by the UE is the same as the time when the retransmission scheduling information is received to the retransmission, that is, the time from the 4th to the 8th time period is the same as the time from the 12th time period to the 16th time period. Therefore, for the first transport block, which belongs to a URLLC service requiring a short transmission delay, when the first transport block needs to be retransmitted, the prior art solution is difficult to meet the requirement of a short transmission delay. For example, it is difficult to satisfy the uRLLC service with a probability of 1-10e -5 being transmitted within 1 ms.
- FIG. 3 is a schematic flowchart of a method for data transmission according to an embodiment of the present application.
- the execution body of the method may be a terminal device, and the method includes:
- the terminal device receives the first scheduling information, where the first scheduling information is used to indicate the first resource, where the first resource is used to send the resource of the first transport block, where the first scheduling information is further used to indicate part or all of The first transport block may be retransmitted, or indicating that some or all of the first transport block may not be retransmitted;
- the terminal device sends the first transport block on the first resource according to the first scheduling information.
- the terminal device receives the first scheduling information, where the first scheduling information is used to indicate that the first resource of the first transport block is sent, and the terminal device may transmit the first transport block on the first resource, where the first resource The first time domain resource and/or the first frequency domain resource are included.
- the first scheduling information is further used to indicate whether part or all of the first transport block may be retransmitted, that is, the network device may predict whether part or all of the first transport block may be retransmitted, and indicate by using the first scheduling information. To the terminal device.
- the terminal device may determine whether it is necessary to prepare for retransmission of part or all of the first transport block, thereby shortening the time during which the retransmission of part or all of the first transport block may be performed. That is, in the embodiment of the present application, the time from the second scheduling information or the third scheduling information to the retransmission of part or all of the first transport block is smaller than the time from the first scheduling information to the transmission of the first transport block, which is reduced. Retransmission delay.
- the network device may predict the probability of transmission demodulation error of the first transport block, and when the probability of demodulation error is high, the network device predicts that part or all of the first transport block may be retransmitted; When the probability of demodulation error is low, the network device predicts that some or all of the first transport block may not be retransmitted. Further, when the probability of demodulation error is equal to or higher than the first threshold, the probability of demodulation error is considered to be high; when the probability of demodulation error is equal to or lower than the first threshold, the probability of demodulation error is considered Lower.
- the first transport block may be one transport block or multiple transport blocks.
- the terminal device determines, according to at least one of the high layer signaling, the first scheduling information, the second scheduling information, and the third scheduling information, the first transport block of the retransmission portion or retransmits all the first transport blocks.
- the terminal device may determine the first transport block of the retransmission portion or retransmit all of the first transport block.
- the part of the first transport block may be at least one code block, or may be at least one code block group, which is not limited in this application. If the first transport block of the retransmission part is determined, the size of the retransmission transport block is reduced compared to the conventional scheme, and the network resource utilization is improved.
- the scheduling information received by the terminal device indicates that the first transmission block may be retransmitted
- the scheduling information may further indicate a specific location of the retransmitted partial first transmission block in the first transport block; or
- the terminal device may pre-arrange the specific location of the retransmitted part of the first transport block in advance with the network device, which is not limited in this application.
- the retransmission of the first transport block in the following embodiments may be either retransmission of all the first transport blocks or retransmission of the first transport block, unless otherwise specified.
- the terminal device performs a preparation operation for retransmitting the first transport block, and the preparation operation includes at least one of the following: encoding processing, configuring high-level configuration information, and receiving high-level configuration information.
- the terminal device performs encoding processing, which may be a preset code rate using Turbo's Parallel Concatenated Convolutional Code (PCCC) or Low Density Parity Check Code (LDPC) or convolution.
- PCCC Parallel Concatenated Convolutional Code
- LDPC Low Density Parity Check Code
- Convolutional Code Convolutional Code
- TBCC Tail Biting Convolutional Code
- Polar Code Polar Code
- one transmission of the first transport block may be referred to as “initial transmission” or “transmission” for convenience of description, and that some or all of the first transmission block is again transmitted as “retransmission”.
- the first transport block is a basic unit carrying at least data information and/or control information, and the data information and/or control information may be included in one transport block (or multiple transport blocks), and all of the features may be met.
- the control information may be Up Control Information (UCI), and the uplink control information may include at least one of: Channel State Information (CSI), Hybrid Automatic Repeat ReQuest (HARQ), rank. Indicator (Rank indicator, RI), Precoding Matrix Indicators (PMI), Channel Quality Indicator (CQI), etc.
- UCI Up Control Information
- CSI Channel State Information
- HARQ Hybrid Automatic Repeat ReQuest
- rank indicator Rank indicator
- PMI Precoding Matrix Indicators
- CQI Channel Quality Indicator
- the method for data transmission in the embodiment of the present application by receiving a first resource indicating that the first transport block is transmitted and indicating that part or all of the first transport block may be retransmitted or may not be retransmitted Scheduling information, and transmitting the first transport block on the first resource according to the first scheduling information, so that the terminal device may determine whether it needs to be determined according to part or all of the first transport block may be retransmitted or may not be retransmitted.
- Retransmitting the first transport block to perform a preparation operation and then, after determining that the first transport block may be retransmitted, receiving, at the terminal device, second scheduling information or the first information indicating that the terminal device retransmits part or all of the first transport block
- the preparation operation is performed in advance, and the time for performing the retransmission of the first transport block is reduced.
- the terminal device may further receive the second scheduling information, where the second scheduling information is used to indicate that the terminal device retransmits the first transporting block, and the second scheduling information is used to indicate the second resource, where the second resource is used for Retransmit the resources of the first transport block.
- the terminal device can retransmit the first transport block on the second resource according to the second scheduling information.
- the preparation operation may be performed before the second scheduling information is received, so the time domain resource included in the second resource is usually earlier than the retransmission determined according to the conventional scheme.
- the time domain resource of the transport block reduces the time to perform the retransmission of the first transport block compared to the conventional scheme.
- the second resource includes a second time domain resource and/or a second frequency domain resource.
- the network device may predict that the first transport block may be retransmitted and may not be retransmitted.
- the network device indicates, by using the first scheduling information, that the indication information related to the first transport block is retransmitted to the terminal device.
- the terminal device receives the third scheduling information, where the third scheduling information is used to indicate that the terminal device retransmits the first transport block, and the terminal device receives the third scheduling information and/or the first scheduling information, and determines the third resource.
- the terminal device retransmits the first transport block on the third resource.
- the third resource may include a third time domain resource and/or a third frequency domain resource.
- the third time domain resource included in the third resource may be the same as the second time domain resource included in the second resource, or may be different.
- the first scheduling information is further used to indicate retransmission of part or all of the modulation mode of the first transport block, retransmit part or all of the time-frequency domain resource of the first transport block, retransmit part or all Encoding mode of the first transport block, retransmitting part or all of the reference signal information of the first transport block, retransmitting part or all of the redundancy version of the first transport block, retransmitting part or all of the first An encoding code rate of a transport block, retransmitting part or all of an antenna port of the first transport block, retransmitting part or all of precoding matrix indication information of the first transport block, retransmitting part or all of the first Transmitting the carrier indication information of the block, retransmitting part or all of the time interval of the first transport block, retransmitting part or all of the start information of the first transport block, and retransmitting part or all of the work of the first transport block Control at least one of the command words.
- the modulation mode of retransmitting part or all of the first transport block may be Quaternary Phase Shift Keying (QPSK), or Quadrature Amplitude Modulation (16QAM), or 64QAM, or 256QAM, or 512QAM, or 1024QAM, the invention is not limited.
- QPSK Quaternary Phase Shift Keying
- 16QAM Quadrature Amplitude Modulation
- 64QAM 64QAM
- 256QAM 256QAM
- 512QAM or 1024QAM
- the time-frequency domain resource of the first transport block that retransmits part or all of the first transport block may be one or more time domain resources, and/or one or more frequency domain resources, which are not limited by the present invention.
- the encoding manner of the first transmission block that is retransmitted in part or in whole may be Turbo, or PCCC, or LDPC, or CC, or TBCC, or Polar, which is not limited in the present invention.
- retransmitting part or all of the reference signal information of the first transport block may be the transmit position information of the reference signal, and/or the sequence of the reference signal, and/or the comb structure of the reference signal, the present invention does not Make restrictions.
- the redundancy version of the first transport block that retransmits part or all of the first transport block may be 0, or 1, or 2, or 3.
- the invention is not limited.
- the code rate of the first transport block that retransmits part or all of the first transport block may be any positive number greater than 0, which is not limited in the present invention.
- the antenna port of the first transport block that retransmits part or all of the antenna may be any antenna port number, which is not limited in the present invention.
- re-transmitting part or all of the precoding matrix indication information of the first transport block may be a precoding indication of one or more beams, which is not limited in the present invention.
- the carrier indication information of the first transmission block that is retransmitted in part or in all may be a carrier index number or a carrier group index number, which is not limited in the present invention.
- the time interval of retransmitting part or all of the first transport block may be the definition of the time interval in steps 301 to 302, and details are not described herein again.
- retransmitting part or all of the startup information of the first transport block may be to start retransmission preparation before receiving scheduling information indicating retransmission, or to initiate retransmission preparation before receiving scheduling information indicating retransmission,
- the invention is not limited.
- the power control command word for retransmitting part or all of the retransmission of the first transport block may be a power control command word indicating one carrier, or may be a power control command word indicating a carrier group, and the present invention does not limit.
- the time interval of retransmitting part or all of the first transport block may be the definition of the time interval in steps 301 to 302, and details are not described herein again.
- first scheduling information may also be used to indicate that the information may be one type of information, or may be multiple times of information, or may be multiple pieces of the same type of information.
- the first scheduling information is further used to indicate that the first transport block may be retransmitted, or the first transport block may not be retransmitted, so that the terminal device determines, according to the first scheduling information, that the first transport block may be retransmitted, Or the first transport block may not be retransmitted.
- the first scheduling information may indicate that the first transport block may be retransmitted or may not be retransmitted, or may be indicated by an “implicit” indication, which is not limited in this application.
- the first scheduling information may include first indication information that is “implicitly” indicating that the first transport block may be retransmitted or may not be retransmitted.
- the first indication information is used to indicate one of at least two Modulation and Coding Scheme (MCS) tables, and the first one of the at least two MCS tables is used to indicate part or all of the first The transport block may be retransmitted, and a second of the at least two MCS tables is used to indicate that some or all of the first transport block may not be retransmitted.
- MCS Modulation and Coding Scheme
- the first MCS table may be composed of one or more elements in Tables 1 to 4. It should be understood that at least one of the modulation order and the transport block size index corresponding to the MCS index #X in the second MCS table is smaller than the modulation order and the transport block size corresponding to the MCS index #X in the first MCS table. index.
- the MCS index #11 in the first MCS table corresponds to a modulation order of 4, and the transport block size index is 10, then the modulation order corresponding to the MCS index #11 in the second MCS table is 2.
- the transport block size is The index is 10.
- the modulation order of the MCS index #11 in the first MCS table is 4 and the transport block size index is 10, then the modulation order corresponding to the MCS index #11 in the second MCS table is 2.
- the size index is 4.
- the modulation order of the MCS index #11 in the first MCS table is 4 and the transport block size index is 10
- the modulation order corresponding to the MCS index #11 in the second MCS table is 4, and the transport block is The size index is 2.
- the first scheduling information may include second indication information that is “explicitly” indicating that the first transport block may be retransmitted or may not be retransmitted.
- the second indication information may be at least one bit, and the first bit status value of the at least one bit is used to indicate that part or all of the first transport block may be retransmitted, and the second bit status value of the at least one bit
- the first transport block used to indicate part or all may not be retransmitted. That is, by "explicitly” indicating whether the first transport block may be retransmitted or not retransmitted, a dedicated indication information field is introduced, so that the network device can flexibly indicate whether some or all of the first transport block may be Retransmission.
- the second indication information occupies one bit. If the status value of the bit is 1, the first transport block may be retransmitted; if the status value of the bit is 0, the first transport block may not be retransmitted.
- the opposite setting may be made, which is not limited in this application.
- bit occupied by the second indication information may be specifically allocated for the second indication information, or may be a bit for multiplexing other information, which is not limited in this application.
- the first scheduling information may include third indication information that is “implicitly” indicating that the first transport block may be retransmitted or may not be retransmitted.
- the third indication information is used to indicate one of the at least two time intervals, where the first time interval of the at least two time intervals is used to indicate that part or all of the first transport block may be retransmitted, where the at least The second of the two time intervals is used to indicate that some or all of the first transport block may not be retransmitted. That is to say, by "implicitly” indicating whether the first transport block may be retransmitted or not, it may save power consumption of the network device.
- the terminal device receives the high-level signaling, where the high-level signaling includes a first threshold, and the terminal device may determine, according to the size relationship of the first threshold and the time interval indicated by the third indication information, the first time indicated by the third indication information. Interval and / or second time interval.
- a time interval in which the time interval indicated by the third indication information is greater than the first threshold may be set as the first time interval, and a time interval in which the time interval indicated by the third indication information is less than or equal to the first threshold may be set as the first time interval.
- the second time interval, or the opposite setting, may also be performed, which is not limited in this application.
- the first threshold may be preset by the terminal device and the network device; the first time interval or the second time interval may be a time interval indicated by the terminal device according to the first threshold and the third indication information.
- the size relationship is determined, and this application does not limit this.
- the time interval in the at least two time intervals includes at least one of the following:
- the time domain resource of the first scheduling information is time domain resource #A
- the first time domain resource included in the first resource is time domain resource #B
- the time interval is time domain resource #A to time domain resource #B
- the time domain resource lengths of the time domain resource #A and the time domain resource #B are all the first time length
- the time interval is (BA) the first time length.
- the time interval may be from the time domain resource #A.
- the end time to the start time of the time domain resource #B may also be the index of the time domain resource #A to the index of the time domain resource #B;
- the time domain resource of the first scheduling information is time domain resource #A
- the time domain resource that may receive the second scheduling information is time domain resource #C
- the time interval is time domain resource #A to time domain resource #C
- the time domain resource lengths of the time domain resource #A and the time domain resource #C are all the first time length
- the time interval is (CA) time of the first time length, for example, the time interval may be from the time domain resource #A
- the end time to the start time of the time domain resource #C may also be the index of the time domain resource #A to the index of the time domain resource #C;
- the time domain resource of the first scheduling information is time domain resource #A
- the time domain resource of the first transport block may be retransmitted part or all of the time domain resource #D
- the time interval is time domain resource #A Domain resource #D
- the time interval is (DA) times of the first time length
- the time interval may be From the end time of the time domain resource #A to the start time of the time domain resource #D, it may also be an index of the time domain resource #A to the index of the time domain resource #D;
- the first time domain resource included in the first resource is time domain resource #B, and some or all of the time domain resource #D of the first transport block may be retransmitted, and the time interval is time domain resource #B to time domain.
- the time interval is (DB) time of the first time length, for example, the time interval may be
- the start time of the time domain resource #B to the start time of the time domain resource #D may also be the index of the time domain resource #B to the index of the time domain resource #D;
- the first time domain resource included in the first resource is the time domain resource #B
- the time domain resource that may receive the second scheduling information is the time domain resource #C
- the time interval is the time domain resource #B to the time domain resource.
- the time interval is (CB) time of the first time length, for example, the time interval may be the time domain
- the start time of the resource #B to the start time of the time domain resource #C may also be the index of the time domain resource #B to the index of the time domain resource #C;
- the time domain resource that receives the second scheduling information is time domain resource #C, and may retransmit some or all of the time domain resource #D of the first transport block, and the time interval is time domain resource #C to time domain resource # D, assuming that the time domain resource lengths of the time domain resource #C and the time domain resource #D are all the first time length, then the time interval is (DC) times of the first time length, for example, the time interval may be the time domain
- the start time of the resource #C to the start time of the time domain resource #D may also be the index of the time domain resource #C to the index of the time domain resource #D;
- the time domain resource that may receive the second scheduling information may receive the time domain resource of the third scheduling information, and may retransmit some or all of the time domain resources of the first transport block, which may be a predefined or higher layer signaling configuration. Time domain resources.
- the time interval in the at least two time intervals may also be any one of the first time domain resource, the second time domain resource, the third time domain resource, the fourth time domain resource, and the fifth time domain resource.
- the first time domain resource is a time domain resource included in the first resource
- the second time domain resource is a time domain resource included in the second resource
- the third time domain resource is a time domain resource included in the third resource
- the fourth time domain is
- the resource is a time domain resource that the terminal device receives the first scheduling information
- the fifth time domain resource is a time domain resource that the terminal device receives the second scheduling information or receives the third scheduling information.
- the time interval between the two time domain resources is the end time of the time domain resource before the time to the start time of the time domain resource after the time, for example, the fourth time domain resource and the fifth time domain resource
- the time interval is the end time of the fourth time domain resource to the start time of the fifth time domain resource, wherein the fourth time domain resource that receives the first scheduling information is earlier than the fifth time domain resource that receives the second scheduling information.
- the terminal device can determine that the first transport block may be retransmitted or may not be retransmitted according to the length of the time interval.
- the first scheduling information includes fourth indication information, where the fourth indication information is used to indicate one of the at least two modulation and coding mode MCS values, and the first MCS value of the at least two MCS values is used to indicate a part or All of the first transport blocks may be retransmitted, and a second MCS value of the at least two MCS values is used to indicate that some or all of the first transport blocks may not be retransmitted.
- the mode indicates whether part or all of the first transport block may be retransmitted or not retransmitted without introducing an additional indication information field, which can reduce the information carried by the first scheduling information, thereby reducing control signaling in the network. Overhead, improve network transmission efficiency.
- the terminal device determines, according to the first scheduling information, that the first transport block may be retransmitted, and the terminal device performs a preparation operation, so that the terminal device may retransmit the first transport block in a shorter time, thereby reducing retransmission.
- the delay of a transport block is not limited to the first scheduling information.
- the terminal device determines that the first transport block may not be retransmitted according to the first scheduling information, the terminal device does not need to perform a preparation operation.
- the first scheduling information may also indicate the number of times that the first transport block may be retransmitted, that is, the terminal device may perform the preparatory operation for the first transport block multiple times in advance, which is not limited in this application.
- the terminal device may start heavy when the time of the third time domain resource reaches a second threshold.
- the preparation operation of the first transport block is transmitted, so as to avoid affecting the retransmission of the first transport block too late, and avoiding starting the preparatory operation too early, thereby saving power consumption of the terminal device.
- the second threshold may be determined by the terminal device according to the time required to complete the preparation operation of retransmitting the first transport block, or may be notified by higher layer signaling, or may be predefined.
- the second threshold is one or more subframes, and may be one or more time slots, or may be one or more symbols, or may be one or more time domain resources, which is not limited by the present invention.
- the time domain resource may also be a unit of n time resources from the current scheduling information or the interval of the uplink transmission.
- the frequency domain resource may also be one of resource allocation, resource allocation type, and subcarrier spacing.
- the modulation coding may specifically be one of a modulation coding table, a modulation method, an encoding method, an encoding code rate, a modulation coding index value, and the like.
- the code rate can be 1/2, 1/3 or 1/6, and the like.
- the reference signal information may include cyclic shift, position and structure, and the like.
- the transmission mode of the first transmission block may be the same as or different from the transmission mode of the first transmission block; when the first transmission block or all the first transmission blocks are retransmitted, the transmission mode may be adopted. The same may be different. The embodiment of the present application does not limit this.
- the transmission mode may refer to at least one of modulation, coding, transmission mode, transmission system (OFDM or IFDMA), and frequency domain resources.
- the method for data transmission in the embodiment of the present application by receiving a first resource indicating that the first transport block is transmitted and indicating that part or all of the first transport block may be retransmitted or may not be retransmitted Scheduling information, and transmitting the first transport block on the first resource according to the first scheduling information, so that the terminal device may determine whether it needs to be determined according to part or all of the first transport block may be retransmitted or may not be retransmitted.
- Retransmitting the first transport block to perform a preparation operation and then, after determining that the first transport block may be retransmitted, receiving, at the terminal device, second scheduling information or the first information indicating that the terminal device retransmits part or all of the first transport block
- the preparation operation is performed in advance, and the time for performing the retransmission of the first transport block is reduced.
- FIG. 4 is a schematic flowchart of a method for data transmission according to another embodiment of the present application.
- the meanings of the various terms in this embodiment are the same as those of the foregoing embodiments. As shown in FIG. 4, the method includes:
- the terminal device receives the first scheduling information, where the first scheduling information is used to indicate a first resource, where the first resource is used to send a resource of the first transport block, where the first scheduling information is further used to indicate a probability value, where The probability value is a network block device receiving a block error rate of the first transport block on the first resource or a success probability of the network device receiving the first transport block on the first resource.
- the network device sends the first scheduling information;
- the terminal device sends the first transport block on the first resource according to the first scheduling information.
- the terminal device receives first scheduling information for indicating a first resource for transmitting the first transport block, where the first scheduling information is further used to indicate a probability value, where the probability value may be a network device according to a channel quality of the terminal device and/or a modulation code.
- the mode predicts the block error rate of receiving the first transport block or the success probability of receiving the first transport block predicted by the network device according to the channel quality of the terminal device and/or the modulation and coding mode. In this way, the terminal device can determine, according to the probability value, whether it needs to prepare for retransmitting all or part of the first transport block, thereby shortening the time for performing retransmission of part or all of the first transport block, and reducing the retransmission delay.
- the terminal device sends the first transport block on the first resource indicated by the first scheduling information.
- the network device receives the first transport block on the first resource.
- the first scheduling information is further used to indicate that the probability value may be that the first scheduling information is further used to indicate a probability value of the first transport block, or that the first scheduling information is further used to indicate that the first resource is used.
- the block error rate may specifically be a probability that the network device demodulates the first transport block error.
- the block error rate may be a BLER (Block Error Rate) or a rBLER (residual block error rate), which is not limited in the present invention.
- the probability value may be a block error rate of the first transport block, and the block error rate is a rational number greater than 0, such as 0.1, 0.01, 0.001, 0.0001, 0.00001, 0.000001, 0.0000001, 0.00000001, 0.000000001, 0.000000001, 0.02, 0.04, 0.05. , 0.002, 0.0025, etc.
- the probability value may be a success probability of the first transport block, and the success probability is a rational number greater than 0, and may be 1-BLER or 1-rBLER, for example, 0.9, 0.99, 0.99999, 0.999999.
- first transport block may be one transport block or multiple transport blocks.
- the probability value may be a first probability value or a second probability value, where the first probability value indicates retransmission of all or part of the first transport block, and the second probability value indicates that all or part of the retransmission is not retransmitted.
- the first transport block may be a first probability value or a second probability value, where the first probability value indicates retransmission of all or part of the first transport block, and the second probability value indicates that all or part of the retransmission is not retransmitted.
- the probability value or the second probability value may be determined by the terminal device, or may be determined by the network device.
- the network device may set a first threshold threshold.
- the probability of success in predicting reception of the first transport block is less than the first threshold, the probability of demodulation error is considered to be high, and the terminal device may be instructed to retransmit all or part of the first transport block. That is, it is expressed as a first probability value; when the probability of success in predicting reception of the first transport block is greater than the first threshold threshold, the probability of demodulation error is considered to be low, and the terminal device may be instructed to retransmit all or part of the first transport block, that is, Is the second probability value.
- the network device may set a second threshold threshold.
- the probability of demodulation error is considered to be high, and the terminal device may be instructed to retransmit all or part of the first
- the transport block is represented as a first probability value; when the probability of success in predicting reception of the first transport block is less than the second threshold threshold, the probability of demodulation error is considered to be low, and the terminal device may be instructed to retransmit all or part of the first transport block. That is, it is expressed as the second probability value.
- the first threshold threshold and the second threshold threshold may be the same or different.
- the first threshold threshold is a rational number greater than 0, for example, 0.99999, and may be 0.99 or 0.999, which is not limited in the present invention.
- the rational number of the second threshold threshold greater than 0, for example, may be 0.00001, may be 0.01, or may be 0.001, which is not limited in the present invention.
- the first threshold threshold and the second threshold threshold may also be predefined, or may be set by the network device, and notified to the terminal device by high layer signaling.
- the first scheduling information may further indicate a specific location of the retransmitted part of the first transport block in the first transport block; or the terminal device may The specific location of the part of the first transport block that is retransmitted in advance with the network device is not limited in this application.
- the retransmission of the first transport block in the following embodiments may be either retransmission of all the first transport blocks or retransmission of the first transport block, unless otherwise specified.
- a part of the first transport block may be at least one code block, or may be at least one code block group, which is not limited in this application. If the first transport block of the retransmission part is determined, the size of the retransmission transport block is reduced compared to the conventional scheme, and the network resource utilization is improved.
- the probability value may also be a first probability value or a second probability value, where the first probability value indicates that all or part of the first transport block may be retransmitted, the second probability value.
- the first transport block indicating that part or all of the first transport block may not be retransmitted.
- the method for determining whether the probability value is the first probability value or the second probability value may be the same as the foregoing embodiment, and details are not described herein again to avoid repetition.
- the terminal device when determining that the first scheduling information is further used to indicate that the probability value is a first probability value, performs a preparation operation of retransmitting all or part of the first transport block.
- the terminal device determines that the first scheduling information is used to indicate the first probability value, that is, the first scheduling information is used to indicate that the terminal device retransmits all or part of the first transport block, or is used to indicate that the terminal device may retransmit. For all or part of the first transport block, the terminal device performs a preparation operation of retransmitting all or part of the first transport block, thereby shortening the time during which the retransmission of part or all of the first transport block can be performed, and reducing the retransmission delay.
- the terminal device performs a preparation operation for retransmitting the first transport block, and the preparation operation includes at least one of the following: encoding processing, configuring high-level configuration information, and receiving high-level configuration information.
- the terminal device performs encoding processing, which may be a preset code rate using Turbo's Parallel Concatenated Convolutional Code (PCCC) or Low Density Parity Check Code (LDPC) or convolution.
- PCCC Parallel Concatenated Convolutional Code
- LDPC Low Density Parity Check Code
- Convolutional Code Convolutional Code
- TBCC Tail Biting Convolutional Code
- Polar Code Polar Code
- one transmission of the first transport block may be referred to as “initial transmission” or “transmission” for convenience of description, and that some or all of the first transmission block is again transmitted as “retransmission”.
- the first transport block is a basic unit carrying at least data information and/or control information, and the data information and/or control information may be included in one transport block (or multiple transport blocks), and all of the features may be met.
- the control information may be Up Control Information (UCI), and the uplink control information may include at least one of: Channel State Information (CSI), Hybrid Automatic Repeat ReQuest (HARQ), rank. Indicator (Rank indicator, RI), Precoding Matrix Indicators (PMI), Channel Quality Indicator (CQI), etc.
- UCI Up Control Information
- CSI Channel State Information
- HARQ Hybrid Automatic Repeat ReQuest
- rank indicator Rank indicator
- PMI Precoding Matrix Indicators
- CQI Channel Quality Indicator
- the terminal device can still perform a preparation operation for retransmitting the first transport block.
- the terminal device may further receive the second scheduling information, where the second scheduling information is used to indicate that the terminal device retransmits the first transporting block, and the second scheduling information is used to indicate the second resource, where the second resource is used for Retransmit the resources of the first transport block.
- the terminal device can retransmit the first transport block on the second resource according to the second scheduling information.
- the preparation operation may be performed before the second scheduling information is received, so the time domain resource included in the second resource is usually earlier than the retransmission determined according to the conventional scheme.
- the time domain resource of the transport block reduces the time to perform the retransmission of the first transport block compared to the conventional scheme.
- the second resource includes a second time domain resource and/or a second frequency domain resource.
- the terminal device receives the third scheduling information that is sent by the network device, where the third scheduling information is used to indicate that the terminal device retransmits the first transporting block, and the terminal device receives the third scheduling information and/or the first scheduling information. Determining a third resource, the terminal device retransmitting the first transport block on the third resource.
- the third resource may include a third time domain resource and/or a third frequency domain resource.
- the third time domain resource included in the third resource may be the same as the second time domain resource included in the second resource, or may be different.
- the first scheduling information is further used to indicate retransmission of part or all of the modulation mode of the first transport block, retransmit part or all of the time-frequency domain resource of the first transport block, retransmit part or all Encoding mode of the first transport block, retransmitting part or all of the reference signal information of the first transport block, retransmitting part or all of the redundancy version of the first transport block, retransmitting part or all of the first An encoding code rate of a transport block, retransmitting part or all of an antenna port of the first transport block, retransmitting part or all of precoding matrix indication information of the first transport block, retransmitting part or all of the first Transmitting the carrier indication information of the block, retransmitting part or all of the time interval of the first transport block, retransmitting part or all of the start information of the first transport block, and retransmitting part or all of the work of the first transport block Control at least one of the command words.
- the first scheduling information includes first indication information, where the first indication information is used to indicate one of the at least two modulation and coding mode MCS tables, and the first one of the at least two MCS tables is used to indicate the first A probability value, a second of the at least two MCS tables is used to indicate the second probability value.
- the first scheduling information includes second indication information, where the second indication information is at least one bit, and a first bit state value of the at least one bit is used for the first probability value, and the second at least one bit The bit status value is used to indicate the second probability value.
- the first scheduling information includes third indication information, where the third indication information is used to indicate one of the at least two time intervals, and the first time interval of the at least two time intervals is used to indicate the first probability a value, the second time interval of the at least two time intervals is used to indicate the second probability value.
- the time interval may be a definition of 301 to 302, or may be other definitions, which is not limited in this application.
- the method further includes: the terminal device receives the high layer signaling, where the high layer signaling includes a first threshold; and the terminal device determines the first time interval and/or the second time interval according to the first threshold.
- the first threshold may be predefined or signaled by higher layers.
- the first threshold is one or more subframes, and may be one or more time slots, and may be one or more symbols, or may be one or more time domain resources, which is not limited by the present invention.
- the method further includes: the terminal device performs a preparation operation of retransmitting all or part of the first transport block, wherein the terminal device determines the first probability value.
- the method for data transmission in the embodiment of the present application receives the first scheduling information indicating that the first resource is transmitted, and the first scheduling information indicating that the terminal device is transmitting the probability value of the first transport block, and according to the first
- the scheduling information sends the first transport block on the first resource, so that the terminal device can determine, according to the probability value, whether all or part of the first transport block needs to be retransmitted, and prepares when determining that the first transport block needs to be retransmitted
- the operation can further shorten the time for performing retransmission of part or all of the first transport block, and reduce the retransmission delay.
- FIG. 5 is a schematic flowchart of a method for data transmission according to an embodiment of the present application. As shown in FIG. 5, the method includes:
- the terminal device receives the first scheduling information, where the first scheduling information is used to indicate the first resource, where the first resource is used to send the resource of the first transport block, where the first scheduling information is further used to indicate the retransmission part or All modulation modes of the first transport block, retransmission of part or all of the time-frequency domain resource of the first transport block, retransmission of part or all of the coding mode of the first transport block, retransmission of part or all of the Reference signal information of the first transport block, retransmission of part or all of the redundancy version of the first transport block, retransmission of part or all of the coded code rate of the first transport block, retransmission of part or all of the first Transmitting an antenna port of the block, retransmitting part or all of the precoding matrix indication information of the first transport block, retransmitting part or all of the carrier indication information of the first transport block, retransmitting part or all of the first transmission
- the terminal device sends the first transport block on the first resource according to the first scheduling information.
- the terminal device receives the first scheduling information, where the first scheduling information is used to indicate that the first resource of the first transport block is sent, and the terminal device may transmit the first transport block on the first resource, where the first resource The first time domain resource and/or the first frequency domain resource are included.
- the first scheduling information is further used to indicate that the indication information related to the retransmission of the first transport block refers to at least one of the foregoing information, and is indicated to the terminal device by using the first scheduling information.
- the terminal device may determine, according to the indication information, whether it is necessary to perform a preparation operation for retransmitting part or all of the first transport block, thereby shortening the retransmission of part or all of the first transport block. time.
- the time from the second scheduling information or the third scheduling information to the retransmission of part or all of the first transport block is smaller than the time from the first scheduling information to the transmission of the first transport block, which is reduced. Retransmission delay.
- the modulation mode of retransmitting part or all of the first transport block may be Quaternary Phase Shift Keying (QPSK), or 16 Quadrature Amplitude Modulation (QAM), or 64QAM, Or 256QAM, or 512QAM, or 1024QAM, the invention is not limited.
- QPSK Quaternary Phase Shift Keying
- QAM 16 Quadrature Amplitude Modulation
- 64QAM 64QAM
- 256QAM 256QAM
- 512QAM or 1024QAM
- the time-frequency domain resource of the first transport block that retransmits part or all of the first transport block may be one or more time domain resources, and/or one or more frequency domain resources, which are not limited by the present invention.
- the encoding manner of the first transmission block that is retransmitted in part or in whole may be Turbo, or PCCC, or LDPC, or CC, or TBCC, or Polar, which is not limited in the present invention.
- retransmitting part or all of the reference signal information of the first transport block may be the transmit position information of the reference signal, and/or the sequence of the reference signal, and/or the comb structure of the reference signal, the present invention does not Make restrictions.
- the redundancy version of the first transport block that retransmits part or all of the first transport block may be 0, or 1, or 2, or 3.
- the invention is not limited.
- the code rate of the first transport block that retransmits part or all of the first transport block may be any positive number greater than 0, which is not limited in the present invention.
- the antenna port of the first transport block that retransmits part or all of the antenna may be any antenna port number, which is not limited in the present invention.
- re-transmitting part or all of the precoding matrix indication information of the first transport block may be a precoding indication of one or more beams, which is not limited in the present invention.
- the carrier indication information of the first transmission block that is retransmitted in part or in all may be a carrier index number or a carrier group index number, which is not limited in the present invention.
- retransmitting part or all of the startup information of the first transport block may be to start retransmission preparation before receiving scheduling information indicating retransmission, or to initiate retransmission preparation before receiving scheduling information indicating retransmission,
- the invention is not limited.
- the power control command word for retransmitting part or all of the retransmission of the first transport block may be a power control command word indicating one carrier, or may be a power control command word indicating a carrier group, and the present invention does not limit.
- the time interval of retransmitting part or all of the first transport block may be the definition of the time interval in steps 301 to 302, and details are not described herein again.
- first scheduling information may also be used to indicate that the information may be one type of information, or may be multiple times of information, or may be multiple pieces of the same type of information.
- the first transport block may be one transport block or multiple transport blocks.
- the terminal device determines, according to at least one of the high layer signaling, the first scheduling information, the second scheduling information, and the third scheduling information, the first transport block of the retransmission portion or retransmits all the first transport blocks.
- the terminal device may determine the first transport block of the retransmission portion or retransmit all of the first transport block.
- the part of the first transport block may be at least one code block, or may be at least one code block group, which is not limited in this application. If the first transport block of the retransmission part is determined, the size of the retransmission transport block is reduced compared to the conventional scheme, and the network resource utilization is improved.
- the scheduling information received by the terminal device indicates that the first transmission block may be retransmitted
- the scheduling information may further indicate a specific location of the retransmitted partial first transmission block in the first transport block; or
- the terminal device may pre-arrange the specific location of the retransmitted part of the first transport block in advance with the network device, which is not limited in this application.
- the retransmission of the first transport block in the following embodiments may be either retransmission of all the first transport blocks or retransmission of the first transport block, unless otherwise specified.
- the terminal device performs a preparation operation for retransmitting the first transport block, and the preparation operation includes at least one of the following: encoding processing, configuring high-level configuration information, and receiving high-level configuration information.
- the terminal device performs encoding processing, which may be a preset code rate using Turbo's Parallel Concatenated Convolutional Code (PCCC) or Low Density Parity Check Code (LDPC) or convolution.
- PCCC Parallel Concatenated Convolutional Code
- LDPC Low Density Parity Check Code
- Convolutional Code Convolutional Code
- TBCC Tail Biting Convolutional Code
- Polar Code Polar Code
- one transmission of the first transport block may be referred to as “initial transmission” or “transmission” for convenience of description, and that some or all of the first transmission block is again transmitted as “retransmission”.
- the first transport block is a data basic unit that carries at least data information, and the data information may be included in a transport block (or multiple transport blocks) of the data, and all of the features may be used as the first transport block.
- the first transport block is not limited.
- the control information may be Up Control Information (UCI), and the uplink control information may include at least one of: Channel State Information (CSI), Hybrid Automatic Repeat ReQuest (HARQ), rank. Indicator (Rank indicator, RI), Precoding Matrix Indicators (PMI), Channel Quality Indicator (CQI), etc.
- UCI Up Control Information
- CSI Channel State Information
- HARQ Hybrid Automatic Repeat ReQuest
- rank indicator Rank indicator
- PMI Precoding Matrix Indicators
- CQI Channel Quality Indicator
- the method for data transmission in the embodiment of the present application receives the first scheduling information indicating the first resource for transmitting the first transport block and the indication information of the first transport block indicating that part or all of the first transport block is retransmitted, and according to The first scheduling information is sent to the first transporting block on the first resource, so that the terminal device can determine, according to the indication information, whether it needs to prepare for retransmitting the first transporting block, and then receive, at the terminal device, the terminal device The part of the second scheduling information or the third scheduling information of the first transport block is pre-prepared before the second scheduling information is transmitted, and the time for performing the retransmission of the first transport block is reduced.
- the terminal device may further receive the second scheduling information, where the second scheduling information is used to indicate that the terminal device retransmits the first transporting block, and the second scheduling information is used to indicate the second resource, where the second resource is used for Retransmit the resources of the first transport block.
- the terminal device can retransmit the first transport block on the second resource according to the second scheduling information.
- the preparation operation may be performed before the second scheduling information is received, so the time domain resource included in the second resource is usually earlier than the retransmission determined according to the conventional scheme.
- the time domain resource of the transport block reduces the time to perform the retransmission of the first transport block compared to the conventional scheme.
- the second resource includes a second time domain resource and/or a second frequency domain resource.
- the network device may predict that the first transport block may be retransmitted and may not be retransmitted.
- the network device indicates, by using the first scheduling information, that the indication information related to the first transport block is retransmitted to the terminal device.
- the terminal device receives the third scheduling information, where the third scheduling information is used to indicate that the terminal device retransmits the first transport block, and the terminal device receives the third scheduling information and/or the first scheduling information, and determines the third resource.
- the terminal device retransmits the first transport block on the third resource.
- the third resource may include a third time domain resource and/or a third frequency domain resource.
- the third time domain resource included in the third resource may be the same as the second time domain resource included in the second resource, or may be different.
- the first scheduling information is further used to indicate that the first transport block may be retransmitted, or the first transport block may not be retransmitted, so that the terminal device determines, according to the first scheduling information, that the first transport block may be retransmitted, Or the first transport block may not be retransmitted.
- the first scheduling information may indicate that the first transport block may be retransmitted or may not be retransmitted, or may be indicated by an “implicit” indication, which is not limited in this application.
- FIG. 6 shows a schematic block diagram of a terminal device 600 of one embodiment of the present application. As shown in FIG. 6, the terminal device 600 includes:
- the receiving module 610 is configured to receive first scheduling information, where the first scheduling information is used to indicate a first resource, the first resource is a resource used to send a first transport block, and the first scheduling information is further used to Instructing part or all of the first transport block may be retransmitted, or indicating that part or all of the first transport block may not be retransmitted;
- the sending module 620 is configured to send the first transport block on the first resource according to the first scheduling information.
- the terminal device in the embodiment of the present application receives the first scheduling information for indicating that the first resource of the first transport block is transmitted, and the first scheduling information indicating that part or all of the first transport block may be retransmitted or may not be retransmitted. And transmitting, according to the first scheduling information, the first transport block on the first resource, so that the terminal device may determine whether it needs to be retransmitted according to whether part or all of the first transport block may be retransmitted or may not be retransmitted.
- the first transport block performs a preparation operation, thereby preparing in advance when determining that the first transport block may be retransmitted, reducing the time for performing the retransmission of the first transport block.
- the first scheduling information includes first indication information, where the first indication information is used to indicate one of at least two modulation and coding mode MCS tables, and the first one of the at least two MCS tables is used to indicate a part or All of the first transport blocks may be retransmitted, and a second of the at least two MCS tables is used to indicate that some or all of the first transport blocks may not be retransmitted.
- the first scheduling information includes second indication information, where the second indication information is at least one bit, and the first bit status value of the at least one bit is used to indicate that part or all of the first transport block may be heavy And transmitting, the second bit status value of the at least one bit is used to indicate that part or all of the first transport block may not be retransmitted.
- the first scheduling information includes third indication information, where the third indication information is used to indicate one of at least two time intervals, and the first time interval of the at least two time intervals is used to indicate part or all of The first transport block may be retransmitted, and the second of the at least two time intervals is used to indicate that some or all of the first transport block may not be retransmitted.
- the receiving module 610 is further configured to receive high layer signaling, where the high layer signaling includes a first threshold;
- the terminal device further includes:
- a processing module configured to determine the first time interval and/or the second time interval according to the first threshold.
- the processing module is further configured to determine, according to the first scheduling information, that part or all of the first transport block may be retransmitted, or that part or all of the first transport block may not be retransmitted.
- the processing module is further configured to perform a preparation operation of retransmitting all or part of the first transport block, where the terminal device determines that part or all of the first transport block may be retransmitted.
- the first scheduling information is further used to indicate retransmission of part or all of the modulation mode of the first transport block, retransmit part or all of the time-frequency domain resource of the first transport block, retransmit part or all Encoding mode of the first transport block, retransmitting part or all of the reference signal information of the first transport block, retransmitting part or all of the redundancy version of the first transport block, retransmitting part or all of the first An encoding code rate of a transport block, retransmitting part or all of an antenna port of the first transport block, retransmitting part or all of precoding matrix indication information of the first transport block, retransmitting part or all of the first Transmitting the carrier indication information of the block, retransmitting part or all of the time interval of the first transport block, retransmitting part or all of the start information of the first transport block, and retransmitting part or all of the work of the first transport block Control at least one of the command words. .
- the receiving module 610 is further configured to receive second scheduling information, where the second scheduling information is used to instruct the terminal device to retransmit part or all of the first transport block on the second resource;
- the sending module 620 is further configured to retransmit part or all of the first transport block on the second resource according to the second scheduling information.
- the receiving module 610 is further configured to receive third scheduling information, where the third scheduling information is used to instruct the terminal device to retransmit part or all of the first transport block;
- the sending module 620 is further configured to retransmit part or all of the first transport block on the third resource according to the third scheduling information and the first scheduling information.
- the terminal device in the embodiment of the present application receives the first scheduling information for indicating that the first resource of the first transport block is transmitted, and the first scheduling information indicating that part or all of the first transport block may be retransmitted or may not be retransmitted. And transmitting, according to the first scheduling information, the first transport block on the first resource, so that the terminal device may determine whether it needs to be retransmitted according to whether part or all of the first transport block may be retransmitted or may not be retransmitted.
- the first transport block performs a preparation operation, thereby preparing in advance when determining that the first transport block may be retransmitted, reducing the time for performing the retransmission of the first transport block.
- terminal device 600 may correspond to the terminal device in the method 300 of data transmission in the embodiment of the present application, and the foregoing and other management operations and/or functions of the respective modules in the terminal device 600 respectively In order to achieve the corresponding steps of the foregoing various methods, for brevity, no further details are provided herein.
- the receiving module 610 and the sending module 620 in the embodiment of the present application may be implemented by a transceiver.
- the terminal device 700 may include a transceiver 710, a processor 720, and a memory 730.
- the memory 730 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 720.
- FIG. 8 shows a schematic block diagram of a network device 800 of one embodiment of the present application. As shown in FIG. 8, the network device 800 includes:
- the sending module 810 is configured to send first scheduling information, where the first scheduling information is used to indicate a first resource, where the first resource is used to send a resource of the first transport block, where the first scheduling information is further used to indicate a part or All of the first transport block may be retransmitted, or indicating that part or all of the first transport block may not be retransmitted;
- the receiving module 820 is configured to receive the first transport block on the first resource.
- the network device in the embodiment of the present application transmits the first scheduling information indicating that the first resource of the first transport block is sent and the first transport block indicating that part or all of the first transport block may be retransmitted or may not be retransmitted. And transmitting, according to the first scheduling information, the first transport block on the first resource, so that the terminal device may determine whether the need is heavy according to whether part or all of the first transport block may be retransmitted or may not be retransmitted. Passing the first transport block to prepare for operation, and then preparing in advance when determining that the first transport block may be retransmitted, reducing the time for performing the retransmission of the first transport block.
- the first scheduling information includes first indication information, where the first indication information is used to indicate one of at least two modulation and coding mode MCS tables, and the first one of the at least two MCS tables is used to indicate a part or All of the first transport blocks may be retransmitted, and a second of the at least two MCS tables is used to indicate that some or all of the first transport blocks may not be retransmitted.
- the first scheduling information includes second indication information, where the second indication information is at least one bit, and the first bit status value of the at least one bit is used to indicate that part or all of the first transport block may be heavy And transmitting, the second bit status value of the at least one bit is used to indicate that part or all of the first transport block may not be retransmitted.
- the first scheduling information includes third indication information, where the third indication information is used to indicate one of at least two time intervals, and the first time interval of the at least two time intervals is used to indicate part or all of The first transport block may be retransmitted, and the second of the at least two time intervals is used to indicate that some or all of the first transport block may not be retransmitted.
- the sending module 810 is further configured to send high layer signaling, where the high level signaling includes a first threshold, where the first threshold is used by the terminal device to determine the first time interval and/or the second time interval.
- the first scheduling information is further used to indicate retransmission of part or all of the modulation mode of the first transport block, retransmit part or all of the time-frequency domain resource of the first transport block, retransmit part or all Encoding mode of the first transport block, retransmitting part or all of the reference signal information of the first transport block, retransmitting part or all of the redundancy version of the first transport block, retransmitting part or all of the first An encoding code rate of a transport block, retransmitting part or all of an antenna port of the first transport block, retransmitting part or all of precoding matrix indication information of the first transport block, retransmitting part or all of the first Transmitting the carrier indication information of the block, retransmitting part or all of the time interval of the first transport block, retransmitting part or all of the start information of the first transport block, and retransmitting part or all of the work of the first transport block Control at least one of the command words. .
- the sending module 810 is further configured to send second scheduling information, where the second scheduling information is used to indicate that the terminal device retransmits part or all of the first transport block on the second resource; the receiving module 820 And for receiving some or all of the first transport block on the second resource.
- the sending module 810 is further configured to send third scheduling information, where the third scheduling information is used to instruct the terminal device to retransmit part or all of the first transport block.
- the receiving module 820 is further configured to The first transport block is received in part or all of the third resource.
- the network device in the embodiment of the present application transmits the first scheduling information indicating that the first resource of the first transport block is sent and the first transport block indicating that part or all of the first transport block may be retransmitted or may not be retransmitted. And transmitting, according to the first scheduling information, the first transport block on the first resource, so that the terminal device may determine whether the need is heavy according to whether part or all of the first transport block may be retransmitted or may not be retransmitted. Passing the first transport block to prepare for operation, and then preparing in advance when determining that the first transport block may be retransmitted, reducing the time for performing the retransmission of the first transport block.
- the network device 800 may correspond to the execution body of the method 300 of data transmission in the embodiment of the present application, and the foregoing and other management operations and/or functions of the respective modules in the network device 800 are respectively implemented. The corresponding steps of the foregoing various methods are not described herein for brevity.
- the transmitting module 810 and the receiving module 820 in the embodiment of the present application may be implemented by a transceiver.
- network device 900 can include a transceiver 910, a processor 920, and a memory 930.
- the memory 930 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 920.
- the system 1000 includes:
- the terminal device 600 of the foregoing embodiment of the present application and the network device 800 of the embodiment of the present application are identical to the terminal device 600 of the foregoing embodiment of the present application and the network device 800 of the embodiment of the present application.
- the embodiment of the present application further provides a computer storage medium, which can store program instructions for indicating any of the above methods.
- the storage medium may be specifically a memory 730 or 930.
- the embodiment of the present application further provides a network device, which may correspond to the network device of the method 400 for data transmission of the embodiment shown in FIG. 4, and the foregoing and other management operations of each module in the network device
- the functions of the method 400 are respectively implemented in order to implement the corresponding steps of the method 400, and are not described herein for brevity.
- the embodiment of the present application further provides a terminal device, which is used to execute the terminal device in the method 500 for transmitting data in the embodiment shown in FIG. 5, and the foregoing and other management operations of each module in the terminal device
- the functions and/or functions are respectively implemented in order to implement the corresponding steps of the method 500, and are not described herein for brevity.
- the embodiment of the present application further provides a network device, which may correspond to the network device of the method 500 for data transmission of the embodiment shown in FIG. 5, and the foregoing and other management operations of each module in the network device
- the functions of the method 500 are respectively implemented in order to implement the corresponding steps of the method 500, and are not described herein for brevity.
- processor 720 or processor 920 may be an integrated circuit chip with signal processing capabilities.
- each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
- the processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA), or the like. Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
- the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention may be implemented or carried out.
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
- the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
- the memory 730 or the memory 930 in the embodiments of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
- the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
- RAM Random Access Memory
- many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
- SDRAM Double Data Rate SDRAM
- DDR SDRAM Double Data Rate SDRAM
- ESDRAM Enhanced Synchronous Dynamic Random Access Memory
- SLDRAM Synchronous Connection Dynamic Random Access Memory
- DR RAM direct memory bus random access memory
- the disclosed systems, devices, and methods may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
- the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
- the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
- the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (39)
- 一种数据发送的方法,其特征在于,包括:接收第一调度信息,所述第一调度信息用于指示第一资源,所述第一资源是用于发送第一传输块的资源,所述第一调度信息还用于指示概率值,其中,所述概率值为网络设备在所述第一资源上接收所述第一传输块的误块率或所述网络设备在所述第一资源上接收所述第一传输块的成功概率;根据所述第一调度信息,在所述第一资源上发送所述第一传输块。
- 根据权利要求1所述的方法,其特征在于,所述概率值为第一概率值或第二概率值,所述第一概率值指示重传全部或部分所述第一传输块,所述第二概率值指示不重传全部或部分所述第一传输块;或者,所述概率值为第一概率值或第二概率值,所述第一概率值指示全部或部分所述第一传输块可能被重传,所述第二概率值指示部分或全部的所述第一传输块可能不被重传。
- 根据权利要求2所述的方法,其特征在于,所述第一调度信息包含第一指示信息,第一指示信息用于指示至少两个调制编码方式MCS表格中的一个,所述至少两个MCS表格中的第一表格用于指示所述第一概率值,所述至少两个MCS表格中的第二表格用于指示所述第二概率值。
- 根据权利要求2所述的方法,其特征在于,所述第一调度信息包括第二指示信息,所述第二指示信息为至少一个比特,所述至少一个比特的第一比特状态值用于所述第一概率值,所述至少一个比特的第二比特状态值用于指示所述第二概率值。
- 根据权利要求2所述的方法,其特征在于,所述第一调度信息包含第三指示信息,第三指示信息用于指示至少两个时间间隔中的一个,所述至少两个时间间隔中的第一时间间隔用于指示所述第一概率值,所述至少两个时间间隔中的第二时间间隔用于指示所述第二概率值。
- 根据权利要求5所述的方法,其特征在于,所述方法还包括:接收高层信令,所述高层信令包含第一阈值;根据所述第一阈值,确定所述第一时间间隔和/或所述第二时间间隔。
- 根据权利要求2至6中任一项所述的方法,其特征在于,所述方法还包括:进行重传全部或部分的所述第一传输块的准备操作,其中,所述终端设备确定所述第一概率值。
- 根据权利要求1至7中任一项所述的方法,其特征在于,所述第一调度信息还用于指示重传部分或全部的所述第一传输块的调制方式、重传部分或全部的所述第一传输块的时频域资源、重传部分或全部的所述第一传输块的编码方式、重传部分或全部的所述第一传输块的参考信号信息、重传部分或全部的所述第一传输块的冗余版本、重传部分或全部的所述第一传输块的编码码率、重传部分或全部的所述第一传输块的天线端口、重传部分或全部的所述第一传输块的预编码矩阵指示信息、重传部分或全部的所述第一传输块的载波指示信息、重传部分或全部的所述第一传输块的时间间隔、重传部分或全部的所述第一传输块的启动信息和重传部分或全部的所述第一传输块的功控命令字中的至少一项。
- 根据权利要求1至8中任一项所述的方法,其特征在于,所述方法还包括:接收第二调度信息,所述第二调度信息用于指示所述终端设备在第二资源上重传部分或全部的所述第一传输块;根据所述第二调度信息,在所述第二资源上重传部分或全部的所述第一传输块。
- 根据权利要求8所述的方法,其特征在于,所述方法还包括:接收第三调度信息,所述第三调度信息用于指示所述终端设备重传部分或全部的所述第一传输块;根据所述第三调度信息和/或所述第一调度信息,确定第三资源;在所述第三资源上重传部分或全部的所述第一传输块。
- 一种数据发送的方法,其特征在于,包括:发送第一调度信息,所述第一调度信息用于指示第一资源,所述第一资源是用于发送第一传输块的资源,所述第一调度信息还用于指示概率值,其中,所述概率值为网络设备在所述第一资源上接收所述第一传输块的误块率或所述网络设备在所述第一资源上接收所述第一传输块的成功概率;在所述第一资源上接收所述第一传输块。
- 根据权利要求11所述的方法,其特征在于,所述概率值为第一概率值或第二概率值,所述第一概率值指示重传全部或部分所述第一传输块,所述第二概率值指示不重传全部或部分所述第一传输块;或者,所述概率值为第一概率值或第二概率值,所述第一概率值指示全部或部分所述第一传输块可能被重传,所述第二概率值指示部分或全部的所述第一传输块可能不被重传。
- 根据权利要求12所述的方法,其特征在于,所述第一调度信息包含第一指示信息,第一指示信息用于指示至少两个调制编码方式MCS表格中的一个,所述至少两个MCS表格中的第一表格用于指示所述第一概率值,所述至少两个MCS表格中的第二表格用于指示所述第二概率值。
- 根据权利要求12所述的方法,其特征在于,所述第一调度信息包括第二指示信息,所述第二指示信息为至少一个比特,所述至少一个比特的第一比特状态值用于所述第一概率值,所述至少一个比特的第二比特状态值用于指示所述第二概率值。
- 根据权利要求12所述的方法,所述第一调度信息包含第三指示信息,第三指示信息用于指示至少两个时间间隔中的一个,所述至少两个时间间隔中的第一时间间隔用于指示所述第一概率值,所述至少两个时间间隔中的第二时间间隔用于指示所述第二概率值。
- 根据权利要求15所述的方法,其特征在于,所述方法还包括:发送高层信令,所述高层信令包含第一阈值,所述第一阈值用于终端设备确定所述第一时间间隔和/或所述第二时间间隔。
- 根据权利要求11至16中任一项所述的方法,其特征在于,所述第一调度信息还用于指示重传部分或全部的所述第一传输块的调制方式、重传部分或全部的所述第一传输块的时频域资源、重传部分或全部的所述第一传输块的编码方式、重传部分或全部的所述第一传输块的参考信号信息、重传部分或全部的所述第一传输块的冗余版本、重传部分或全部的所述第一传输块的编码码率、重传部分或全部的所述第一传输块的天线端口、重传 部分或全部的所述第一传输块的预编码矩阵指示信息、重传部分或全部的所述第一传输块的载波指示信息、重传部分或全部的所述第一传输块的时间间隔、重传部分或全部的所述第一传输块的启动信息和重传部分或全部的所述第一传输块的功控命令字中的至少一项。
- 根据权利要求11至17中任一项所述的方法,其特征在于,所述方法还包括:发送第二调度信息,所述第二调度信息用于指示所述终端设备在第二资源上重传部分或全部的所述第一传输块;在所述第二资源上接收部分或全部的所述第一传输块。
- 根据权利要求17所述的方法,其特征在于,所述方法还包括:发送第三调度信息,所述第三调度信息用于指示所述终端设备重传部分或全部的所述第一传输块;在第三资源上接收部分或全部的所述第一传输块。
- 一种数据发送的装置,其特征在于,包括:接收模块,用于接收第一调度信息,所述第一调度信息用于指示第一资源,所述第一资源是用于发送第一传输块的资源,所述第一调度信息还用于指示概率值,其中,所述概率值为网络设备在所述第一资源上接收所述第一传输块的误块率或所述网络设备在所述第一资源上接收所述第一传输块的成功概率;发送模块,用于根据所述第一调度信息,在所述第一资源上发送所述第一传输块。
- 根据权利要求20所述的装置,其特征在于,所述概率值为第一概率值或第二概率值,所述第一概率值指示重传全部或部分所述第一传输块,所述第二概率值指示不重传全部或部分所述第一传输块;或者,所述概率值为第一概率值或第二概率值,所述第一概率值指示全部或部分所述第一传输块可能被重传,所述第二概率值指示部分或全部的所述第一传输块可能不被重传。
- 根据权利要求21所述的装置,其特征在于,所述第一调度信息包含第一指示信息,第一指示信息用于指示至少两个调制编码方式MCS表格中的一个,所述至少两个MCS表格中的第一表格用于指示所述第一概率值,所述至少两个MCS表格中的第二表格用于指示所述第二概率值。
- 根据权利要求21所述的装置,其特征在于,所述第一调度信息包括第二指示信息,所述第二指示信息为至少一个比特,所述至少一个比特的第一比特状态值用于所述第一概率值,所述至少一个比特的第二比特状态值用于指示所述第二概率值。
- 根据权利要求21所述的装置,其特征在于,所述第一调度信息包含第三指示信息,第三指示信息用于指示至少两个时间间隔中的一个,所述至少两个时间间隔中的第一时间间隔用于指示所述第一概率值,所述至少两个时间间隔中的第二时间间隔用于指示所述第二概率值。
- 根据权利要求24所述的装置,其特征在于,所述接收模块,还用于接收高层信令,所述高层信令包含第一阈值;所述终端设备还包括:处理模块,用于根据所述第一阈值,确定所述第一时间间隔和/或所述第二时间间隔。
- 根据权利要求21至25中任一项所述的终端设备,其特征在于,所述处理模块,还用于进行重传全部或部分的所述第一传输块的准备操作,其中,所述终端设备确定所述 第一概率值。
- 根据权利要求20至26中任一项所述的装置,其特征在于,所述第一调度信息还用于指示重传部分或全部的所述第一传输块的调制方式、重传部分或全部的所述第一传输块的时频域资源、重传部分或全部的所述第一传输块的编码方式、重传部分或全部的所述第一传输块的参考信号信息、重传部分或全部的所述第一传输块的冗余版本、重传部分或全部的所述第一传输块的编码码率、重传部分或全部的所述第一传输块的天线端口、重传部分或全部的所述第一传输块的预编码矩阵指示信息、重传部分或全部的所述第一传输块的载波指示信息、重传部分或全部的所述第一传输块的时间间隔、重传部分或全部的所述第一传输块的启动信息和重传部分或全部的所述第一传输块的功控命令字中的至少一项。
- 根据权利要求20至27中任一项所述的装置,其特征在于,所述接收模块,还用于接收第二调度信息,所述第二调度信息用于指示所述终端设备在第二资源上重传部分或全部的所述第一传输块;所述发送模块,还用于根据所述第二调度信息,在所述第二资源上重传部分或全部的所述第一传输块。
- 根据权利要求27所述的装置,其特征在于,所述接收模块,还用于接收第三调度信息,所述第三调度信息用于指示所述终端设备重传部分或全部的所述第一传输块;所述处理模块,还用于根据所述第三调度信息和/或所述第一调度信息,确定第三资源;所述发送模块,还用于在所述第三资源上重传部分或全部的所述第一传输块。
- 一种数据接收的装置,其特征在于,包括:发送模块,用于发送第一调度信息,所述第一调度信息用于指示第一资源,所述第一资源是用于发送第一传输块的资源,所述第一调度信息还用于指示概率值,其中,所述概率值为网络设备在所述第一资源上接收所述第一传输块的误块率或所述网络设备在所述第一资源上接收所述第一传输块的成功概率;接收模块,用于在所述第一资源上接收所述第一传输块。
- 根据权利要求30所述的装置,其特征在于,所述概率值为第一概率值或第二概率值,所述第一概率值指示重传全部或部分所述第一传输块,所述第二概率值指示不重传全部或部分所述第一传输块;或者,所述概率值为第一概率值或第二概率值,所述第一概率值指示全部或部分所述第一传输块可能被重传,所述第二概率值指示部分或全部的所述第一传输块可能不被重传。
- 根据权利要求31所述的装置,其特征在于,所述第一调度信息包含第一指示信息,第一指示信息用于指示至少两个调制编码方式MCS表格中的一个,所述至少两个MCS表格中的第一表格用于指示所述第一概率值,所述至少两个MCS表格中的第二表格用于指示所述第二概率值。
- 根据权利要求31所述的装置,其特征在于,所述第一调度信息包括第二指示信息,所述第二指示信息为至少一个比特,所述至少一个比特的第一比特状态值用于所述第一概率值,所述至少一个比特的第二比特状态值用于指示所述第二概率值。
- 根据权利要求31所述的装置,其特征在于,所述第一调度信息包含第三指示信息,第三指示信息用于指示至少两个时间间隔中的一个,所述至少两个时间间隔中的第一 时间间隔用于指示所述第一概率值,所述至少两个时间间隔中的第二时间间隔用于指示所述第二概率值。
- 根据权利要求34所述的装置,其特征在于,所述发送模块,还用于发送高层信令,所述高层信令包含第一阈值,所述第一阈值用于终端设备确定所述第一时间间隔和/或所述第二时间间隔。
- 根据权利要求30至35中任一项所述的装置,其特征在于,所述第一调度信息还用于指示重传部分或全部的所述第一传输块的调制方式、重传部分或全部的所述第一传输块的时频域资源、重传部分或全部的所述第一传输块的编码方式、重传部分或全部的所述第一传输块的参考信号信息、重传部分或全部的所述第一传输块的冗余版本、重传部分或全部的所述第一传输块的编码码率、重传部分或全部的所述第一传输块的天线端口、重传部分或全部的所述第一传输块的预编码矩阵指示信息、重传部分或全部的所述第一传输块的载波指示信息、重传部分或全部的所述第一传输块的时间间隔、重传部分或全部的所述第一传输块的启动信息和重传部分或全部的所述第一传输块的功控命令字中的至少一项。
- 根据权利要求30至36中任一项所述的装置,其特征在于,所述发送模块,还用于发送第二调度信息,所述第二调度信息用于指示所述终端设备在第二资源上重传部分或全部的所述第一传输块;所述接收模块,还用于在所述第二资源上接收部分或全部的所述第一传输块。
- 根据权利要求36所述的装置,其特征在于,所述发送模块,还用于发送第三调度信息,所述第三调度信息用于指示所述终端设备重传部分或全部的所述第一传输块;所述接收模块,还用于在第三资源上接收部分或全部的所述第一传输块。
- 一种计算机存储介质,包括指令,当其在计算机上运行时,使得计算机执行如权利要求1至19中任一项所述的方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112019019486A BR112019019486A2 (pt) | 2017-03-22 | 2018-03-21 | método de envio de dados, dispositivo de terminal, e dispositivo de rede |
EP18770576.9A EP3573401B1 (en) | 2017-03-22 | 2018-03-21 | Data sending method, terminal device, and network device |
US16/577,985 US11050524B2 (en) | 2017-03-22 | 2019-09-20 | Data sending method, terminal device, and network device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710175091.6A CN108633014B (zh) | 2017-03-22 | 2017-03-22 | 数据发送的方法、终端设备和网络设备 |
CN201710175091.6 | 2017-03-22 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/577,985 Continuation US11050524B2 (en) | 2017-03-22 | 2019-09-20 | Data sending method, terminal device, and network device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018171625A1 true WO2018171625A1 (zh) | 2018-09-27 |
Family
ID=63584658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2018/079821 WO2018171625A1 (zh) | 2017-03-22 | 2018-03-21 | 数据发送的方法、终端设备和网络设备 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11050524B2 (zh) |
EP (1) | EP3573401B1 (zh) |
CN (1) | CN108633014B (zh) |
BR (1) | BR112019019486A2 (zh) |
WO (1) | WO2018171625A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108886768B (zh) * | 2016-03-31 | 2020-11-10 | 华为技术有限公司 | 传输数据的方法、基站和用户设备 |
US10455517B2 (en) * | 2017-03-08 | 2019-10-22 | Qualcomm Incorporated | Managing unwanted transmissions |
CN111034319A (zh) * | 2018-02-23 | 2020-04-17 | Oppo广东移动通信有限公司 | 动态配置方法、终端设备、网络设备及计算机存储介质 |
US11089555B2 (en) | 2019-01-07 | 2021-08-10 | Qualcomm Incorporated | Dynamic configuration of operation power parameters |
CN112583569B (zh) * | 2019-01-10 | 2022-02-25 | 华为技术有限公司 | 信号处理的方法和装置 |
US11412566B2 (en) | 2019-08-09 | 2022-08-09 | Ofinno, Llc | Uplink downlink session duplication |
WO2021056186A1 (zh) * | 2019-09-24 | 2021-04-01 | 华为技术有限公司 | 确定数据传输资源的方法、设备及系统 |
CN113450809B (zh) * | 2021-08-30 | 2021-11-30 | 北京百瑞互联技术有限公司 | 语音数据处理方法、系统及介质 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101646224A (zh) * | 2008-08-06 | 2010-02-10 | 大唐移动通信设备有限公司 | 下行控制信息处理方法和系统以及基站设备和终端设备 |
CN101754274A (zh) * | 2009-12-29 | 2010-06-23 | 华为技术有限公司 | 一种数据重传方法和设备 |
WO2016040290A1 (en) * | 2014-09-08 | 2016-03-17 | Interdigital Patent Holdings, Inc. | Systems and methods of operating with different transmission time interval (tti) durations |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100061438A1 (en) * | 2006-11-13 | 2010-03-11 | Agency For Science, Technology And Research | Method for selecting transmission parameters for a data transmission and data transmission controller |
CN101420292B (zh) * | 2007-10-22 | 2013-05-15 | 电信科学技术研究院 | 同步混合式自动请求重传进程冲突的处理方法及装置 |
US20100008440A1 (en) * | 2008-07-08 | 2010-01-14 | Industrial Technology Research Institute | Link adaptation in wireless communications |
CN101902817B (zh) * | 2009-05-26 | 2015-07-22 | 中兴通讯股份有限公司 | 无线通信系统中上行无线资源调度方法与装置 |
EP2859678B1 (en) * | 2012-06-08 | 2020-10-07 | Telefonaktiebolaget LM Ericsson (publ) | Methods and arrangements for supporting retransmission |
EP3197075B1 (en) * | 2014-09-16 | 2019-04-03 | LG Electronics Inc. | Method and device for transmitting interference cancellation information for cancelling interference between cells |
US10440771B2 (en) * | 2015-03-06 | 2019-10-08 | Qualcomm Incorporated | Conditional HARQ feedback |
US10375725B2 (en) * | 2015-03-16 | 2019-08-06 | Lg Electronics Inc. | Method of fast-retransmitting uplink data in wireless communication system and apparatus therefor |
CN107534989B (zh) * | 2015-06-01 | 2021-07-06 | 苹果公司 | 无线电接入网的延迟降低技术 |
CN106341897B (zh) * | 2015-07-10 | 2019-11-08 | 中国移动通信集团公司 | 一种确定重传调度监听次数的方法及装置 |
CN105978671A (zh) * | 2016-06-27 | 2016-09-28 | 深圳市金立通信设备有限公司 | 一种harq重传的指示方法及相关设备 |
-
2017
- 2017-03-22 CN CN201710175091.6A patent/CN108633014B/zh active Active
-
2018
- 2018-03-21 BR BR112019019486A patent/BR112019019486A2/pt not_active Application Discontinuation
- 2018-03-21 EP EP18770576.9A patent/EP3573401B1/en active Active
- 2018-03-21 WO PCT/CN2018/079821 patent/WO2018171625A1/zh unknown
-
2019
- 2019-09-20 US US16/577,985 patent/US11050524B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101646224A (zh) * | 2008-08-06 | 2010-02-10 | 大唐移动通信设备有限公司 | 下行控制信息处理方法和系统以及基站设备和终端设备 |
CN101754274A (zh) * | 2009-12-29 | 2010-06-23 | 华为技术有限公司 | 一种数据重传方法和设备 |
WO2016040290A1 (en) * | 2014-09-08 | 2016-03-17 | Interdigital Patent Holdings, Inc. | Systems and methods of operating with different transmission time interval (tti) durations |
Non-Patent Citations (1)
Title |
---|
See also references of EP3573401A4 |
Also Published As
Publication number | Publication date |
---|---|
CN108633014B (zh) | 2021-02-23 |
US11050524B2 (en) | 2021-06-29 |
EP3573401A1 (en) | 2019-11-27 |
BR112019019486A2 (pt) | 2020-04-22 |
CN108633014A (zh) | 2018-10-09 |
EP3573401A4 (en) | 2020-02-19 |
EP3573401B1 (en) | 2023-06-21 |
US20200014493A1 (en) | 2020-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2018171625A1 (zh) | 数据发送的方法、终端设备和网络设备 | |
US9078278B2 (en) | Method and apparatus for soft buffer management for carrier aggregation | |
CN111510252B (zh) | 在无线通信系统中发送ack/nack的方法和使用该方法的设备 | |
US9756617B2 (en) | Simultaneous reporting of ACK/NACK and channel-state information using PUCCH format 3 resources | |
EP2495900B1 (en) | Uplink control information transmission method and apparatus in multi-carrier system | |
CN107113097B (zh) | 在无线通信系统中发送ack/nack的方法和设备 | |
US8797985B2 (en) | Channel selection and channel-state information collision handling | |
KR101789618B1 (ko) | 다중 안테나 전송 기법을 지원하기 위한 효율적인 제어정보 전송 방법 및 장치 | |
KR101562718B1 (ko) | 반송파 집성 시스템에서 채널 상태 정보 전송 방법 및 장치 | |
US8705477B2 (en) | Simultaneous reporting of ACK/NACK and channel-state information using PUCCH format 3 resources | |
KR102315253B1 (ko) | 주파수-분할 듀플렉스 송신 시간 간격 동작을 위한 시스템들 및 방법들 | |
US11191075B2 (en) | Data transmission method, device, and communications system | |
WO2018107400A1 (zh) | 传输方法和装置 | |
US11122601B2 (en) | Buffer status report sending method, terminal device, and network device | |
WO2021227981A1 (zh) | 一种信息发送的方法及设备 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 18770576 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2018770576 Country of ref document: EP Effective date: 20190823 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112019019486 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 112019019486 Country of ref document: BR Kind code of ref document: A2 Effective date: 20190919 |