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WO2017128512A1 - Procédé d'envoi d'informations, procédé de réception d'informations, dispositif et système - Google Patents

Procédé d'envoi d'informations, procédé de réception d'informations, dispositif et système Download PDF

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Publication number
WO2017128512A1
WO2017128512A1 PCT/CN2016/077560 CN2016077560W WO2017128512A1 WO 2017128512 A1 WO2017128512 A1 WO 2017128512A1 CN 2016077560 W CN2016077560 W CN 2016077560W WO 2017128512 A1 WO2017128512 A1 WO 2017128512A1
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WIPO (PCT)
Prior art keywords
harq process
channel
transmission time
time length
correspondence
Prior art date
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PCT/CN2016/077560
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English (en)
Chinese (zh)
Inventor
邵家枫
李超君
吕永霞
马莎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201680062113.1A priority Critical patent/CN108604953A/zh
Publication of WO2017128512A1 publication Critical patent/WO2017128512A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems

Definitions

  • the embodiments of the present invention relate to the field of communications, and in particular, to an information sending method, an information receiving method, an apparatus, and a system.
  • both devices use a Transmission Time Interval (TTI) with a time length of 1 ms as a basic transmission time unit, and the data transmission is performed in the basic transmission time unit.
  • TTI Transmission Time Interval
  • the embodiment of the present invention provides an information transmission method, an information receiving method, an apparatus, and a system.
  • the technical solution is as follows:
  • the transmitting device determines the first transmission time length according to the first HARQ process ID and the first correspondence, and sends the first channel to the receiving device by using the first transmission time length;
  • the process number queries the first transmission time length corresponding to the first channel, and sends the first channel on the first transmission time length, and the effect of different transmission time lengths may be used for the first channel with different service requirements.
  • At least two HARQ process IDs have different transmission time lengths.
  • the method further includes: determining, by the sending device, the second transmission time length according to the first HARQ process ID and the first correspondence, where the second transmission time length is a TTI length of the second channel
  • the receiving status information includes acknowledgement ACK information, negative NACK information, or discontinuous transmission DTX; wherein the first correspondence further includes the first HARQ process number and location Corresponding relationship of the second transmission time length.
  • the information sending method determines the second transmission time length according to the first HARQ process and the first correspondence, and associates the correspondence between the uplink HARQ process and the downlink HARQ process and the transmission time length, so that the sending device is configured according to the
  • the first transmission time length is determined by a correspondence, and the second channel is received in the second transmission time length.
  • different transmission time lengths are used to meet different service requirements, and the third correspondence does not need to be indicated. Relationship, reduce the use of signaling, and improve the efficiency of communication.
  • the first corresponding relationship further includes: the first transmission time length corresponding to the first group of HARQ process IDs is 2 symbols, the corresponding second transmission time length is 2 symbols or 3 symbols or 4 symbols or 0.5 ms; and/or, the second transmission time corresponding to the second group of HARQ process numbers is 3 symbols or 4 a symbol, the corresponding second transmission time length is 3 symbols or 4 symbols or 0.5 ms; and/or, the first transmission time length corresponding to the third group HARQ process number is 0.5 ms, and the corresponding second transmission time length
  • the first transmission time length corresponding to the fourth group of HARQ process numbers is 1 ms, and the corresponding second transmission time length is 1 ms, wherein the first HARQ process number is in any group of HARQs.
  • the process ID any two of the first group of HARQ process numbers, the second group of HARQ process numbers, the third group of HARQ process numbers
  • the first channel includes a physical downlink control channel PDCCH and a physical downlink shared channel PDSCH, where the second channel includes a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH; or the first channel includes a short physical downlink control channel short PDCCH and a short physical downlink shared channel short PDSCH,
  • the second channel includes a short physical uplink control channel short PUCCH and/or a short physical uplink shared channel short PUSCH; or, the first channel includes a PDSCH, and the second channel includes a PUCCH and/or a PUSCH; or
  • the first channel includes a short PDSCH, the second channel includes a short PUCCH and/or a short PUSCH; or, the first channel includes a PUSCH and a PUCCH, and the second channel includes a PDCCH and/or a physical HARQ indicator channel
  • a sixth possible implementation of the first aspect in combination with the first aspect, the first possible implementation of the first aspect, and any one of the possible implementations of the second possible implementation of the first aspect
  • the method further includes: the sending device determining, according to the first transmission time length and the third transmission time length, a second transmission time length, where the second transmission time length is a TTI length of the second channel, where The third transmission time length is a TTI length of the third channel; the sending device receives the second channel sent by the receiving device according to the second transmission time length, and the second channel is used to transmit the receiving device feedback Receive status information of the first channel, the receive status information includes acknowledgement ACK information, negative NACK information, or discontinuous transmission DTX.
  • the third channel is a physical uplink shared channel PUSCH; or the first channel is a short physical downlink shared channel short PDSCH, and the second channel is a short physical uplink control channel short PUCCH,
  • the third channel is a short physical uplink shared channel short PUSCH.
  • the sending, by the sending device, determining the second transmission time length according to the first transmission time length and the third transmission time length includes: the sending device determining the second transmission time length A larger value of the first transmission time length and the third transmission time length.
  • the sending device receives the receiving device After the second channel is sent, the sending device determines, according to the first HARQ process ID and the first correspondence before the change, that the retransmission is determined, when the first correspondence is changed.
  • the length of the transmission time corresponding to the first channel is the length of the first transmission time; the sending device sends the retransmitted first channel to the receiving device according to the first transmission time length.
  • the information sending method provided by the embodiment of the present invention, when the network device and the terminal device perform information transmission and reception, the network device sends the first signaling and the second signaling to the terminal device, so that the terminal device acquires and uses the first correspondence and the network.
  • the device communicates to achieve the effect of dynamically indicating the first correspondence used by the terminal device, and the network device can send the first signaling to other network devices, so that when the terminal device moves to other network devices, the communication can still be normal.
  • the first corresponding relationship includes the first HARQ The correspondence between the process number, the channel type of the first channel, and the first transmission time length.
  • the sending device determines the first HARQ process ID, including: when the sending device is the first When the network device is the terminal device, the first network device determines a service type corresponding to the first channel, and determines a target group corresponding to the service type according to the service type and the second correspondence a HARQ process number, the first HARQ process ID is allocated from the target group HARQ process ID; or, when the sending device is a terminal device, and the receiving device is a first network device, the sending device receives Determining, by the first network device, the first HARQ process ID, where the first HARQ process ID is determined by the first network device according to the service type corresponding to the first channel and the second correspondence relationship After the target group HARQ process number corresponding to the service type, the target group HARQ process number is allocated from the target group HARQ process number; wherein the target group HARQ process number is the first group
  • the second aspect provides a method for receiving information, where the method includes: the receiving device determines a first hybrid automatic repeat request HARQ process number, where the first HARQ process ID is a HARQ process number of the first channel; and the receiving device And determining, according to the first HARQ process ID and the first correspondence, a first transmission time length, where the first transmission time length is a transmission time interval TTI length of the first channel, where the first correspondence is used to indicate Corresponding relationship between the first HARQ process ID and the first transmission time length; the receiving device receives the first channel sent by the sending device according to the first transmission time length.
  • the receiving device determines the first transmission time length according to the first HARQ process ID and the first correspondence, and receives the first channel sent by the receiving device in the first transmission time length;
  • the device queries the first transmission time length corresponding to the first channel according to the process number, and receives the first channel in the first transmission time length, and can use the effect of the TTI of different time lengths for the first channel with different service requirements.
  • the first possible implementation of the second aspect, the second possible implementation of the second aspect, the third possible implementation of the second aspect The method further includes: the receiving device determining, according to the first HARQ process ID and the first correspondence, a second transmission time length, where the second transmission time length is a TTI length of the second channel.
  • the receiving device sends the second channel to the sending device according to the second transmission time length, where the second channel is used to transmit the receiving state information of the first channel fed back to the sending device,
  • the receiving status information includes an acknowledgement ACK information, a negative NACK information, or a discontinuous transmission DTX, where the first correspondence is further used to indicate a correspondence between the first HARQ process ID and the second transmission time length. relationship.
  • the information sending method provided by the embodiment of the present invention determines a second transmission time length according to the first HARQ process and the first correspondence, and associates the correspondence between the uplink HARQ process and the downlink HARQ process and the transmission time length, so that the sending device is configured according to the
  • the first transmission time length is determined by a correspondence, and the second channel is received in the second transmission time length.
  • different transmission time lengths are used to meet different service requirements, and the third correspondence does not need to be indicated. Relationship, reduce the use of signaling, and improve the efficiency of communication.
  • the first correspondence relationship further includes: the first transmission time length corresponding to the first group of HARQ process IDs is 2 symbols, the corresponding second transmission time length is 2 symbols or 3 symbols or 4 symbols or 0.5 ms; and/or, the second transmission time corresponding to the second group of HARQ process numbers is 3 symbols or 4 a symbol, the corresponding second transmission time length is 3 symbols or 4 symbols or 0.5 ms; and/or, the first transmission time length corresponding to the third group HARQ process number is 0.5 ms, corresponding to the second transmission time
  • the length of the first HARQ process ID is 1 ms, and the length of the corresponding second transmission time is 1 ms, where the first HARQ process ID is in any group.
  • the first channel includes a physical downlink control channel PDCCH And a physical downlink shared channel PDSCH, where the second channel includes a physical uplink control channel PUCCH and/or a physical uplink shared channel PUSCH; or the first channel includes a short physical downlink control channel short PDCCH and a short physical downlink shared channel short PDSCH
  • the second channel includes a short physical uplink control channel short PUCCH and/or a short physical uplink shared channel short PUSCH; or, the first channel includes a PDSCH, and the second channel includes a PUCCH and/or a PUSCH;
  • the first channel includes a short PDSCH, the second channel includes a short PUCCH and/or a short PUSCH; or the first channel includes a PUSCH and a PUCCH, and the second channel includes a PDCCH and/or a physical HARQ indicator channel PHICH
  • the sixth possible implementation of the second aspect The method further includes: the receiving device determining, according to the first transmission time length and the third transmission time length, a second transmission time length, where the second transmission time length is a TTI length of the second channel, where The third transmission time length is a TTI length of the third channel; the receiving device sends the second channel to the sending device according to the second transmission time length, and the second channel is used for transmitting to the sending Receiving status information of the first channel fed back by the device, the receiving status information includes acknowledgement ACK information, negative NACK information, or discontinuous transmission DTX.
  • the receiving device determines the second transmission time according to the first transmission time length and the third transmission time length Before the length, the method further includes: the receiving device determines a second HARQ process ID, the second HARQ process ID is a HARQ process ID of the third channel, and the third channel is used to transmit data; Determining, by the receiving device, the third transmission time length according to the second HARQ process ID and the first correspondence, where the third transmission time length is a TTI length of the third channel, where The first correspondence further includes a correspondence between the second HARQ process ID and the third transmission time length.
  • the first channel is a physical downlink shared channel (PDSCH)
  • the second channel is a physical uplink control channel (PUCCH)
  • the third channel is a physical uplink shared channel (PUSCH); or the first channel is a short physical downlink shared channel, short PDSCH, and the second channel is a short physical uplink.
  • the control channel is short PUCCH
  • the third channel is a short physical uplink shared channel short PUSCH.
  • the receiving device is in the first correspondence relationship
  • the method further includes: when the sending device is the first network device, and the receiving device is the terminal device, or When the sending device is the terminal device, and the receiving device is the first network device, the first network device sends the first signaling to the terminal device, where the first signaling includes First pair Information that should be related; and/or, the terminal device receives the first signaling sent by the first network device, where the first signaling includes information
  • the information sending method provided by the embodiment of the present invention, when the network device and the terminal device perform information transmission and reception, the network device sends the first signaling and the second signaling to the terminal device, so that the terminal device acquires and uses the first correspondence and the network.
  • the device communicates to achieve the effect of dynamically indicating the first correspondence used by the terminal device, and the network device can send the first signaling to other network devices, so that when the terminal device moves to other network devices, the communication can still be normal.
  • the first correspondence relationship includes a correspondence between the first HARQ process ID, a channel type of the first channel, and the first transmission time length.
  • the sending device determines a first HARQ process ID
  • the receiving device determines the first HARQ process ID
  • the first network device determines a service type corresponding to the first channel, and the second corresponding relationship according to the service type, where the receiving device is a first network device, and the sending device is a terminal device Determining a target group HARQ process number corresponding to the service type, and allocating the first HARQ process ID from the target group HARQ process ID; or, when the receiving device is a terminal device, the sending device is When the network device is configured, the receiving device receives the first HARQ process ID that is allocated by the first network device, where the first HARQ process ID is a service type of the first network device according to the first channel And the second correspondence determines the location The destination group HARQ process number is allocated from the target group HARQ process ID, where the target group HARQ process number is the first group HARQ
  • an information receiving apparatus comprising at least one unit for implementing the information receiving method provided by the second aspect.
  • a transmitting device comprising: a processor, a memory connected to the processor, a transmitter, and a receiver.
  • the memory is for storing one or more instructions that are indicated to be executed by the processor, the processor for implementing the information transmitting method provided by the first aspect above.
  • a receiving device comprising: a processor, a memory coupled to the processor, a transmitter, and a receiver.
  • the memory is for storing one or more instructions that are indicated to be executed by the processor, the processor for implementing the information receiving method provided by the second aspect above.
  • an information transceiving system comprising the transmitting device as provided in the fifth aspect above and the receiving device as provided in the sixth aspect above.
  • FIG. 1 is a schematic structural diagram of an information transceiving system according to an exemplary embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a receiving device according to an exemplary embodiment of the present invention.
  • FIG. 4 is a flowchart of a method for transmitting and receiving information according to an exemplary embodiment of the present invention
  • FIG. 5A is a flowchart of a method for transmitting and receiving information according to another exemplary embodiment of the present invention.
  • FIG. 5B is a flowchart of a method for transmitting and receiving information according to another exemplary embodiment of the present invention.
  • FIG. 9 is a flowchart of a method for transmitting and receiving information according to another exemplary embodiment of the present invention.
  • FIG. 10B is a flowchart of a method for transmitting and receiving information according to another exemplary embodiment of the present invention.
  • FIG. 11 is a flowchart of a method for transmitting and receiving information according to another exemplary embodiment of the present invention.
  • FIG. 13 is a flowchart of a method for transmitting and receiving information according to another exemplary embodiment of the present invention.
  • FIG. 14 is a flowchart of a method for transmitting and receiving information according to another exemplary embodiment of the present invention.
  • FIG. 15 is a block diagram of an information transmitting apparatus according to an exemplary embodiment of the present invention.
  • Multiple as referred to herein means two or more. "and/or”, describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
  • the symbol “/” generally indicates that the contextual object is an "or" relationship.
  • the terminal device may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem.
  • the terminal device can communicate with one or more core networks via a Radio Access Network (RAN), and the terminal device can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal.
  • RAN Radio Access Network
  • the terminal device can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal.
  • RAN Radio Access Network
  • it may be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges language and/or data with a wireless access network.
  • the network device in the embodiment of the present invention may be a base station, where the base station may be used to convert the received air frame and the IP packet into a router between the terminal device and the rest of the access network, where the access network
  • the rest of the network can include an Internet Protocol (IP) network.
  • IP Internet Protocol
  • the base station can also coordinate attribute management of the air interface.
  • the base station may be a base station (BTS, Base Transceiver Station) in GSM or CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station (eNB or e-NodeB, evolutional Node B) in LTE. This application does not limit this.
  • FIG. 1 is a schematic structural diagram of an information transceiving system according to an exemplary embodiment of the present invention.
  • the information transceiving system includes: a network device 120 and a terminal device 140.
  • the network device 120 is a sending device, and the terminal device 140 is a receiving device; or the terminal device 140 is a sending device, and the network device 120 is a receiving device.
  • a plurality of network devices 120 and/or a plurality of terminal devices 140 may be included, which are not all shown in FIG. 1 , which is not limited in this embodiment.
  • HARQ Hybrid Automatic Repeat ReQuest
  • the HARQ process includes an uplink HARQ process and a downlink HARQ process.
  • the HARQ process when the network device 120 transmits information to the terminal device 140 is a downlink HARQ process, and the HARQ process when the terminal device 140 transmits information to the network device 120 is an uplink HARQ process.
  • the uplink HARQ process is synchronous. Synchronization means that there is a fixed time relationship between the retransmission and the retransmission between the adjacent two transmissions of the same uplink HARQ process, that is, between the initial transmission and the retransmission. and also That is, after transmitting the current information, the transmitting device performs the initial transmission of the next information or retransmits the current information through a predefined fixed time interval.
  • the HARQ mechanism is similar to the foregoing method, and details are not described herein.
  • FIG. 5A shows a flowchart of a method for transmitting and receiving information provided by another exemplary embodiment of the present invention.
  • This embodiment is exemplified by the method applied to the information transceiver system shown in FIG. 1, and the method includes:
  • the first HARQ process ID is also referred to as a first HARQ process identifier (ID).
  • Step 503 The sending device determines, according to the first HARQ process ID and the first correspondence, the first transmission time length, where the first transmission time length is a TTI length of the first channel.
  • the channel type of the channel is determined by the DCI, and the channel type is equivalent to the channel carrying only the DCI;
  • the channel type according to the target device to which the first channel is sent includes: a type of whether the target device has an RRC connection function, such as a primary base station (Master eNB, MeNB) and a secondary base station (Secondary eNB, SeNB); The type of service function of the device, such as the NB responsible for control and the eNB responsible for transmitting data; the type of network coverage for this target device, such as the macro base station eNB and the small station Pico.
  • the channel type of the first channel is used to identify the first channel, which is not limited in this embodiment.
  • all downlink HARQ processes or all uplink HARQ processes include n HARQ processes, where n is a positive integer.
  • the maximum number of processes is when the TTI has a transmission time of 1 ms. The number of uplink HARQ processes that are included in the maximum number of HARQ processes.
  • the maximum number of processes is the number of downlink HARQ processes that are included when the TTI has a transmission time length of 1 ms; floor ( x) is a function that rounds up the parameter x; the maximum number of first transmission time symbols is the number of symbols occupied by the largest first transmission time length.
  • the value of the value of the network device is a preset value of the network device or is instructed by the network device, which is not limited in this embodiment.
  • the meaning of the symbol is equivalent to an OFDM symbol or an SC-FDMA symbol.
  • the symbol is an orthogonal frequency division multiplexing multiple access OFDMA symbol, a single carrier frequency division multiple access SC-FDMA symbol of an LTE system with a 15 kHz subcarrier spacing, or a symbol of a communication system of a larger subcarrier spacing, which is used in this embodiment. Not limited.
  • the sending device is a terminal device
  • the receiving device is a network device
  • the terminal device after the terminal device sends the first channel to the network device, it may not be clear which network device the receiving device is.
  • the terminal device C sends a channel or signaling to the network device D, and after the terminal device C transmits the channel or signaling, the receiving device is not limited to the network device D.
  • the sending device sends the first channel to the receiving device on all or part of the time-frequency resources in the TTI of the first channel, where the time-frequency resources include: a time domain resource and a frequency domain resource.
  • the length can be less than 1 ms. This embodiment does not do this. limited.
  • the frequency domain in which the frequency domain of one subcarrier is greater than 15 kHz may be 30 kHz, 60 kHz, and 120 kHz, which is not limited in this embodiment.
  • the frequency domain resource is a short physical resource block (SPRB), a short physical resource block group (SRBG), a short virtual resource block (SVRB), and a short virtual resource block (SVRB).
  • SPRB and SVRB are the basic units for resource allocation of different meanings.
  • the SPRB is 12 consecutive subcarriers in the frequency domain. In the time domain, it is a resource with a transmission time length. The transmission time length can be from 1 symbol to any number of symbols in 14 symbols.
  • SVRB and SPRB In the centralized resource allocation, SVRB and SPRB. The definition is the same.
  • SVRB has a certain correspondence with SPRB in distributed resource allocation.
  • the SPRB index is an SPRB index
  • the SVRB index is an SVRB index.
  • 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 first channel occupies all the length of time or part of the length of the first transmission time, and the sending device sends the first channel to the receiving device on at least one symbol of the first transmission time length.
  • Step 507 The sending device determines, according to the first HARQ process ID and the first correspondence, the second transmission time length, where the second transmission time length is the TTI length of the second channel.
  • the first transmission time length corresponds to the transmission time length of the downlink
  • the second transmission time length corresponds to the transmission time length of the uplink
  • the first transmission time length is less than a predetermined threshold
  • the second transmission time length corresponds to the transmission time length of the downlink
  • the first transmission time length corresponds to the transmission time length of the uplink
  • the second transmission time length is less than a predetermined threshold
  • the first transmission time length, and/or the second transmission time length is t symbols, where t is a positive integer greater than or equal to 1.
  • the first transmission time length, and/or the second transmission time length is a value ranging from 0.06 ms to 1 ms.
  • the first transmission time lengths corresponding to different first channels may be the same or different.
  • the first transmission time length is 2 symbols, 3 symbols, 4 symbols or 1 ms.
  • Step 509 The receiving device sends a second channel to the sending device according to the second transmission time length, where the second channel is used to transmit the receiving state information of the first channel fed back to the sending device, where the receiving state information includes ACK information, NACK information, or DTX. (Discontinuous Transmission).
  • the first correspondence further includes a correspondence between the first HARQ process ID and the second transmission time length.
  • the first correspondence is further used to indicate a correspondence between the first HARQ process ID and the second transmission time length.
  • the channel type of the second channel in the first correspondence relationship refers to a type that is classified according to a name or a usage of the second channel, a type that is classified according to information content carried by the second channel, and belongs to the second channel according to the second channel. At least one of a type divided by an uplink or a downlink and a type divided by a target device to which the second channel is transmitted.
  • the channel type of the second channel is used to identify the second channel, which is not limited in this embodiment.
  • the definition of the channel type of the second channel is the same as the definition of the channel type of the first channel, and details are not described herein again.
  • the first correspondence further includes: the first transmission time length corresponding to the first group of HARQ process numbers is 2 symbols, and the corresponding second transmission time length is 2 symbols or 3 symbols or 4 symbols or 0.5. Ms; and/or, the first transmission time length corresponding to the second group of HARQ process numbers is 3 symbols or 4 symbols, and the corresponding second transmission time length is 3 symbols or 4 symbols or 0.5 ms; and/or The first transmission time length corresponding to the third group HARQ process ID is 0.5 ms, and the corresponding second transmission time The length is 0.5 ms or 1 ms; and/or, the first transmission time length corresponding to the fourth group of HARQ process numbers is 1 ms, and the corresponding second transmission time length is 1 ms.
  • the first HARQ process ID is any two groups of HARQ process numbers, any one of the first group of HARQ process numbers, the second group of HARQ process numbers, the third group of HARQ process numbers, and the fourth group of HARQ process numbers.
  • the numbers are not the same.
  • the sending device determines, according to the first HARQ process ID and the first correspondence, the first transmission time length or the second transmission time length, without a channel type of a channel or a channel type of the second channel; when the second transmission time length is greater than or less than the first transmission time length, the transmitting device is configured according to the first HARQ process number, the channel type of the first channel, and the first correspondence relationship, Determining a first transmission time length, and/or determining a second transmission time length according to the first HARQ process number, the channel type of the second channel, and the first correspondence.
  • the first channel includes a channel for carrying data information, for example, the first channel is a PUSCH or a PDSCH.
  • Step 510 The sending device receives the second channel sent by the receiving device according to the second transmission time length, where the second channel is used to transmit the receiving state information of the first channel fed back by the receiving device, where the receiving state information includes ACK information, NACK information, or DTX. .
  • Step 511 When the first correspondence is changed, the sending device determines, according to the first HARQ process ID and the first correspondence before the change, that the transmission time length corresponding to the retransmitted first channel is the first transmission time length.
  • the first corresponding relationship may change with time, or the network device where the terminal device is located changes, and when the first correspondence does not change, the length of the transmission time corresponding to the retransmitted first channel is first.
  • the length of the transmission may change with time, or the network device where the terminal device is located changes, and when the first correspondence does not change, the length of the transmission time corresponding to the retransmitted first channel is first. The length of the transmission.
  • the length of the transmission time corresponding to the retransmitted first channel is the first transmission time length; the length of the transmission time corresponding to the first channel of the initial transmission may be the same as the length of the first transmission time. It can also be different depending on the first correspondence currently used.
  • the first correspondence is a correspondence between the network device and the terminal device to send the first signaling indication.
  • the change of the first correspondence relationship is caused by another corresponding relationship that the network device sends the first signaling indication to the terminal device again, or is caused by a valid timeout of the last indicated correspondence, or another The network device sends another correspondence corresponding to the first signaling indication to the terminal device.
  • Step 512 The sending device sends the retransmitted first channel to the receiving device according to the first transmission time length.
  • the sending device after receiving the ACK information, sends the first channel that is initially transmitted to the receiving device. After receiving the NACK information, the sending device sends the retransmitted first channel to the receiving device according to the first transmission time length.
  • the retransmitted first channel may be a channel that adopts the same modulation and coding mode as the first channel, or a channel that adopts different modulation and coding modes.
  • the modulation and coding method herein may refer to the modulation mode, or the coding mode, or the specific value of the Modulation and Coding Scheme (MCS).
  • MCS Modulation and Coding Scheme
  • the retransmitted first channel may be a channel occupying the same frequency domain resource as the first channel, or a channel occupying different frequency domain resources.
  • Step 513 The receiving device receives the retransmitted first channel sent by the sending device according to the first transmission time length.
  • the receiving device receives the first channel that is sent by the sending device, and after receiving the NACK information, the receiving device receives the first one of the retransmissions sent by the sending device according to the first transmission time length.
  • the retransmitted first channel may be a channel of the same modulation and coding mode of the first channel, or a channel of a different modulation and coding mode.
  • the sending device and the receiving device determine the first HARQ process ID
  • the first network device may determine the target group HARQ process ID according to the service type, or may be sent by the first network device according to the terminal device.
  • the service type determines the target group HARQ process ID, and then allocates the first HARQ process ID from the target HARQ process group:
  • the first network device determines the service type corresponding to the first channel, and determines the target group HARQ process number corresponding to the service type according to the service type and the second corresponding relationship, Allocating a first HARQ process ID from the target group HARQ process ID;
  • the sending device When the sending device is the terminal device, and the receiving device is the first network device, the sending device receives the first HARQ process ID allocated by the first network device, where the first HARQ process ID is the service type corresponding to the first network device according to the first channel. After the second correspondence is determined, the target group HARQ process number corresponding to the service type is allocated from the target group HARQ process ID;
  • the target group HARQ process ID is a first group of HARQ process numbers, a second group of HARQ process numbers, a third group of HARQ process numbers, or a fourth group of HARQ process numbers, and the second correspondence relationship includes a service type and a target group HARQ process number. Correspondence between the two.
  • the first network device acquires the service type of the downlink service; when the service is the uplink service, the terminal device reports the service type of the uplink service to the first network device.
  • the sending device when the sending device is a network device, the receiving device is a terminal device, and the first channel is a PDSCH in an LTE system, and the second channel is an LTE system.
  • the third channel is the PUSCH in the LTE system, or the first channel is the short physical downlink shared channel (short PDSCH) in the LTE system, and the second channel is the short in the LTE system.
  • the short physical uplink control channel short PUCCH
  • the foregoing step 507-step 510 can be replaced by the short physical uplink shared channel (short PUSCH) in the LTE system.
  • the following steps are as shown in Figure 5B:
  • each channel may correspond to a different name, which is not limited in this embodiment.
  • the transmitting device determines a second HARQ process ID, the second HARQ process number is a HARQ process number of the third channel, and the third channel is used to transmit data information.
  • the second HARQ process ID is also referred to as a second HARQ process identifier (Identification, ID), and the definition of the second HARQ process ID is the same as the definition of the first HARQ process ID, which is not described in this embodiment.
  • the sending device determines a third transmission time length according to the second HARQ process ID and the first correspondence, and the third transmission time length is a TTI length of the third channel.
  • the first correspondence is used to indicate a correspondence between the second HARQ process ID, the channel type of the third channel, and the third transmission time length.
  • the first correspondence is used to indicate the meaning of the second HARQ process ID, the channel type of the third channel, and the third transmission time length, and the first HARQ process number, the channel type of the first channel, and the first transmission transmission time length. The meanings are the same, and the details are not described in this embodiment.
  • the receiving device determines a third transmission time length according to the second HARQ process ID and the first correspondence, and the third transmission time length is a TTI length of the third channel.
  • the sending device determines the second transmission time length according to the first transmission time length and the third transmission time length, where the second transmission time length is the TTI length of the second channel, and the third transmission time length is the third channel. TTI length.
  • the first transmission time length is 1 symbol
  • the third transmission time length is 4 symbols.
  • the second transmission time length takes a larger value of the two, it is 4 symbols; the second transmission time length takes two symbols.
  • the smaller of the values is 1 symbol; when the second transmission time length takes a value within the range of the transmission time length determined by the two, it may be 2 symbols.
  • the sending device determines the second transmission time length according to the path loss value of the sending device to the receiving device, or the predefined information sent by the network device. For example, when the path loss value of the sending device to the receiving device is greater than or equal to the threshold, the sending device determines that the second transmission time length is a larger value of the first transmission time length and the third transmission time length, when the sending device sends the device to the receiving device. The path loss value is less than or equal to the threshold, and the sending device determines that the second transmission time length is the first transmission time length and the third The smaller value of the length of the transmission time.
  • the second transmission time length is predefined to be 2 symbols, 3 symbols or 4 symbols, and 7 symbols.
  • the indication information sent by the network device may be carried on the control channel, in the following downlink control information (DCI), or may be carried on the high layer signaling, such as Radio Resource Control (RRC). In the signaling.
  • DCI downlink control information
  • RRC Radio Resource Control
  • the terminal device determines the second transmission time length according to the received indication information.
  • the first transmission time length corresponds to an uplink transmission time length
  • the second transmission time length and the third transmission time length correspond to a downlink
  • the terminal device determines that the second transmission time length is a smaller value of the first transmission time length and the third transmission time length
  • the first transmission time length corresponds to The transmission time length of the downlink
  • the second transmission time length and the third transmission time length correspond to the transmission time length of the uplink
  • the terminal device determines that the second transmission time length is the first transmission time length and the third transmission time length. Larger value.
  • the receiving device determines the second transmission time length according to the first transmission time length and the third transmission time length, where the second transmission time length is the TTI length of the second channel, and the third transmission time length is the third channel. TTI length.
  • the receiving device sends a second channel to the sending device according to the second transmission time length, where the second channel is used to transmit the receiving state information of the first channel fed back to the sending device, where the receiving state information includes ACK information, NACK information, Or DTX.
  • the sending device receives the second channel sent by the receiving device according to the second transmission time length, and the second channel is used to transmit the receiving state information of the first channel fed back by the receiving device, where the receiving state information includes ACK information, NACK information, Or DTX.
  • the first correspondence is used to indicate a correspondence between an uplink HARQ process ID and a transmission time length, and/or a downlink HARQ process ID and transmission.
  • the first correspondence is used to indicate the correspondence between the uplink HARQ process ID and the downlink HARQ process ID and the length of the transmission time:
  • the first HARQ process ID is a process number of the downlink HARQ process, and the first correspondence is used to indicate a correspondence between the downlink HARQ process ID and the transmission time length;
  • the second HARQ process The number is the process ID of the uplink HARQ process, and the first correspondence is also used to indicate the correspondence between the uplink HARQ process ID and the transmission time length.
  • the first group of the HARQ process ID is the process ID of the uplink HARQ process, and the first correspondence is used to indicate the correspondence between the uplink HARQ process ID and the transmission time length;
  • the HARQ process number is the process ID of the downlink HARQ process, and the third correspondence is also used to indicate the correspondence between the downlink HARQ process ID and the transmission time length.
  • different correspondences are used to indicate the correspondence between the uplink HARQ process ID and the transmission time length, and the downlink HARQ process ID and transmission time.
  • the correspondence between the lengths, the functions of the two corresponding relationships are the same or similar, and the two correspondences are independent of each other.
  • the first correspondence is used to indicate the correspondence between the downlink HARQ process ID and the transmission time length
  • the third correspondence is used to indicate the correspondence between the uplink HARQ process ID and the transmission time length
  • the first correspondence is used to indicate Corresponding relationship between the uplink HARQ process ID and the transmission time length
  • the third correspondence relationship is used to indicate the correspondence between the downlink HARQ process ID and the transmission time length.
  • step 601 the receiving device determines a second HARQ process number, and the second HARQ process number is a HARQ process number of the second channel.
  • step 602 the receiving device determines a second transmission time length according to the second HARQ process ID and the third correspondence, and the second transmission time length is a TTI length of the second channel.
  • the definition of the second HARQ process ID is the same as that of the first HARQ process ID, and is not described in this embodiment.
  • the third correspondence is used to indicate a correspondence between the second HARQ process ID and the second transmission time length.
  • the sending device determines a second HARQ process ID, and according to the second HARQ process ID and the third correspondence
  • the method for determining the length of the second transmission time is the same as the method used by the receiving device.
  • the present embodiment will not be described in detail in this embodiment.
  • the present embodiment determines the second HARQ process ID for the sending device and the receiving device, and according to the second HARQ process ID and The third correspondence relationship is determined by determining the sequential execution relationship of the second transmission time length.
  • the process of using the third correspondence may be equivalently regarded as a process of using the first correspondence.
  • the information transmission and reception method determines the first HARQ process ID by the sending device and the receiving device, and the sending device and the receiving device determine the first transmission time according to the first HARQ process ID and the first correspondence relationship.
  • the length the sending device sends the first channel to the receiving device by using the first transmission time length; and solves the problem that the sending device and the receiving device use the unique length of TTI for information communication to meet all service requirements in the related art; No. Querying a first transmission time length corresponding to the first channel, transmitting a first channel on a TTI length of the first channel, that is, a first transmission time length, and using different transmission time lengths for the first channel having different service requirements Effect.
  • the method for transmitting and receiving information associates the uplink HARQ process number with the corresponding relationship between the downlink HARQ process ID and the transmission time length, so that the receiving device queries and processes the first correspondence relationship according to the process number and the first correspondence relationship.
  • the second transmission time length corresponding to the two channels reduces the correspondence between the indication of a group of HARQ process numbers and the length of the transmission time, thereby reducing the effect of signaling used and improving the efficiency of information transmission and reception.
  • FIG. 7 is a flowchart of a method for transmitting and receiving information provided by another exemplary embodiment of the present invention. This embodiment is exemplified by the method applied to the information transceiving system shown in FIG. 1.
  • the network device 120 is a transmitting device
  • the terminal device 140 is a receiving device.
  • the first channel includes: a PDCCH and a PDSCH
  • the second channel includes a PUCCH and/or a PUSCH
  • the first channel includes a PDSCH
  • the second channel includes a PUCCH and/or a PUSCH
  • the first channel includes a short physical downlink control channel (short PDCCH) and a short PDSCH
  • the second channel includes a short PUCCH and/or a short PUSCH
  • the first channel includes a short PDSCH
  • the second channel includes a short PUCCH and/or a short PUSCH.
  • the correspondence between the uplink HARQ feedback and the downlink HARQ process and the length of the transmission time is associated.
  • the method includes:
  • Step 701 The network device determines a first HARQ process ID, where the first HARQ process ID is a HARQ process ID of the first channel.
  • the first HARQ process number is a downlink HARQ process number.
  • Step 702 The network device determines, according to the first HARQ process ID and the first correspondence, the first transmission time length, where the first transmission time length is a TTI length of the first channel.
  • the first correspondence is used to indicate a correspondence between the first HARQ process ID, the channel type of the first channel, and the first transmission time length.
  • the first correspondence further includes: the first transmission time length corresponding to the first group of HARQ process IDs is 2 symbols; and/or the first transmission time length corresponding to the second group of HARQ process IDs is 3 symbols. Or 4 symbols; and/or, the first transmission time length corresponding to the third group of HARQ process numbers is 0.5 ms; and/or, the first transmission time length corresponding to the fourth group of HARQ process numbers is 1 ms;
  • the HARQ process ID is different from any one of the first group of HARQ process numbers, the first group of HARQ process numbers, the second group of HARQ process numbers, the third group of HARQ process numbers, and the fourth group of HARQ process numbers.
  • the first channel is a PDSCH as an example, which exemplarily shows a possible existence form of the first correspondence when the first HARQ process number is a downlink HARQ process number. It should be noted that the specific HARQ process number is not limited here:
  • Downstream HARQ process number PDSCH Downstream HARQ process number X0 2 symbols
  • Downstream HARQ process number X3 2 symbols Downstream HARQ process number X4 1ms Downstream HARQ process number X5 1ms
  • Downstream HARQ process number X6 1ms
  • Downstream HARQ process number X7 1ms
  • Downstream HARQ process number PDSCH Downstream HARQ process number X0 1 symbol Downstream HARQ process number X1 1 symbol Downstream HARQ process number X2 1 symbol Downstream HARQ process number X3 1 symbol Downstream HARQ process number X4 1ms Downstream HARQ process number X5 1ms Downstream HARQ process number X6 1ms Downstream HARQ process number X7 1ms
  • Downstream HARQ process number PDSCH Downstream HARQ process number X0 1 symbol Downstream HARQ process number X1 1 symbol Downstream HARQ process number X2 2 symbols Downstream HARQ process number X3 2 symbols Downstream HARQ process number X4 2 symbols Downstream HARQ process number X5 2 symbols Downstream HARQ process number X6 1ms Downstream HARQ process number X7 1ms
  • the terminal device determines a first HARQ process ID, determines a first transmission time length according to the first HARQ process ID and the first correspondence, and receives a first channel sent by the network device according to the first transmission time length, and
  • the method on the network device side shown in the above steps 701 to 703 is similar, and the details are not described in this embodiment.
  • Step 705 The terminal device sends the second channel to the network device according to the second transmission time length.
  • the network device and the terminal device determine that the first HARQ process ID is the downlink HARQ process ID X3, the first channel 801 is the PDSCH, and the first transmission time length corresponding to the PDSCH indicated in the first correspondence relationship is 2 symbols.
  • the network device sends the information carried on the first channel 801 to the terminal device on all or part of the time-frequency resources of the first transmission time length of the two symbols; when the terminal device is in all or part of the first transmission time length of the two symbols
  • the first channel 801 is received on the frequency resource as shown in FIG.
  • step 704 can be replaced by the following steps, as shown in FIG. 9:
  • step 901 the terminal device determines a second HARQ process number, and the second HARQ process number is a HARQ process number of the second channel.
  • the second HARQ process number is an uplink HARQ process number.
  • the second transmission time length corresponding to the uplink HARQ process number X4 is different.
  • the third correspondence includes the L-group HARQ process ID, corresponding to the m HARQ process IDs, and the second transmission time length corresponding to the at least two HARQ process IDs in the third correspondence relationship is different.
  • L is a positive integer greater than or equal to 2, such as 3, 4, 8, 10, 16, and L is less than or equal to m.
  • the network device does not need to query.
  • the second transmission time length can be directly determined, and the information transceiving method provided in this embodiment can still be used.
  • the information transceiving method provided by this embodiment can be implemented compatible with the HARQ mechanism in the prior art.
  • the first channel includes a PUSCH and a PUCCH as an example, which exemplarily shows that when the second HARQ process number is an uplink HARQ process number, the third correspondence is A possible form of existence:
  • the third correspondence has a second transmission time length corresponding to at least two second channels corresponding to at least one HARQ process number.
  • the second transmission time length is 1 symbol
  • the network device determines the second channel before determining the second transmission time length corresponding to the second channel according to the second HARQ process ID and the third correspondence, and may specifically include determining the second
  • the network device determines the second transmission time length corresponding to the second channel according to the channel type of the channel, the type of the information to be carried, the type of the signal, and the like.
  • the network device determines the second transmission time length corresponding to the second channel according to the process ID, the third correspondence, and the second channel of the second HARQ process.
  • the HARQ process numbers can be combined into a new third correspondence.
  • the second transmission time length corresponding to each of the at least two second channels corresponding to the second HARQ process ID is the same, if the HARQ process number of the PUSCH is the downlink HARQ process number X2, for example, when the third The corresponding relationship is as shown in the above table 18, the second HARQ process number is the uplink HARQ process number X0, and the second transmission time length corresponding to each of the corresponding PUSCH and the PUCCH is 2 symbols, and the network device is based on the process number of the second HARQ process.
  • the third correspondence relationship directly determines the second transmission time length, and does not need to determine the channel type of the second channel, the type of information carried, the signal type, and the like.
  • the second HARQ process ID is an uplink HARQ process ID
  • the second channel includes an uplink shared channel
  • the second channel includes an uplink shared signal and an uplink control channel.
  • the terminal device sends the uplink shared channel in at least one second HARQ process ID in the third correspondence.
  • the second HARQ process ID is an uplink HARQ process ID
  • the format and content of the third correspondence relationship shown in the above Tables 18 to 20 are exemplary, and the third correspondence relationship may also be other.
  • the table or formula is not limited in this embodiment.
  • the information transmission and reception method determines the first HARQ process ID by the sending device and the receiving device, and the sending device and the receiving device determine the first transmission time according to the first HARQ process ID and the first correspondence relationship.
  • the length, the sending device sends the first channel to the receiving device by using the first transmission time length; and solves the problem that the sending device and the receiving device use the unique length of TTI for information communication to meet all service requirements in the related art; Number query
  • the first transmission time length corresponding to the first channel, the first channel is transmitted on the TTI length of the first channel, that is, the first transmission time length, and different transmission time length effects may be used for the first channel having different service requirements. .
  • FIG. 10A is a flowchart of a method for transmitting and receiving information provided by another exemplary embodiment of the present invention. This embodiment is described by applying the method to the information transceiving system shown in FIG. 1.
  • the terminal device 140 is a transmitting device
  • the network device 120 is a receiving device.
  • the first channel includes a PUCCH and a PUSCH
  • the second channel includes a PDCCH and/or a PDSCH
  • the first channel includes a PUSCH
  • the second channel includes a PDCCH and/or a PDSCH
  • the first channel includes a short PUSCH and a short PUCCH
  • the second channel includes a short PDCCH and/or a short physical hybrid ARQ indicator channel (short PHICH);
  • Step 1001 The terminal device determines a first HARQ process ID, where the first HARQ process ID is a HARQ process ID of the first channel.
  • the first HARQ process number is an uplink HARQ process number.
  • Step 1002 The terminal device determines, according to the first HARQ process ID and the first correspondence, the first The length of the transmission time, the length of the first transmission time being the TTI length of the first channel.
  • the first correspondence is used to indicate a correspondence between the first HARQ process ID, the channel type of the first channel, and the first transmission time length.
  • the first channel is a PUSCH as an example, which exemplarily shows a possible existence of the first correspondence when the first HARQ process number is an uplink HARQ process number. form.
  • the first transmission time length corresponding to the N1 HARQ process IDs in the first correspondence is A1 symbols
  • the first transmission time length corresponding to the N2 HARQ process IDs is A2 symbols or A3
  • the symbol, and/or the first transmission time length corresponding to the N3 HARQ process numbers is A4 symbols
  • the first transmission time length corresponding to the N4 HARQ process numbers is A5 symbols.
  • N1, N2, N3 and N4 are positive integers
  • A1, A2, A3, A4 and A5 are positive integers greater than or equal to 1.
  • 0.5 ms may be equal to 6 symbols or 7 symbols in an LTE system with 15 kHz subcarrier spacing, and 1 ms may be equal to 12 symbols or 14 symbols in an LTE system with 15 kHz subcarrier spacing.
  • the first transmission time length corresponding to the first HARQ process ID has two or more variable values.
  • the value of the first transmission time length corresponding to the uplink HARQ process number X4 may be 3 symbols or 4 symbols. Which value is used for the first transmission time length depends on the physical resource location where the uplink HARQ process number X4 appears.
  • the sending device determines a specific value of the first transmission time length according to the frame structure of the current TTI, the first HARQ process ID, and the first correspondence.
  • the frame structure of the current TTI is a predefined TTI length.
  • an uplink subframe has 14 symbols, and it is assumed that the next-stage TTI division structure of the uplink subframe is 4 symbols, 3 symbols, 4 symbols, and 3 symbols, so that the current TTI frame of the transmitting device is used.
  • the structure is 3 symbols, and the first transmission time length corresponding to the uplink HARQ process number X4 is 3 symbols.
  • the first transmission time length corresponding to the at least two HARQ process IDs in the first correspondence relationship is different.
  • the first correspondence includes a K-group HARQ process number, and the corresponding one of the first uplink transmission time numbers corresponding to the at least two HARQ process numbers in the first correspondence relationship is Different, the terminal device determines the first transmission time length.
  • K is a positive integer greater than or equal to 2, such as 3, 4, 8, 10, 16, and K is less than or equal to n.
  • the terminal device does not need to query the first correspondence, and can directly determine the length of the first transmission time, and can still use the information receiving and sending method provided in this embodiment.
  • the information transceiving method provided by this embodiment can be implemented compatible with the existing HARQ mechanism.
  • the first HARQ process ID is an uplink HARQ process ID
  • one uplink HARQ process ID corresponds to multiple first channels, where the multiple first channels are multiple types of channels, for example, PUSCH, PUCCH, and the like; Or, the multiple first channels are multiple types of signals, such as DM-RS, SRS, etc., which are not limited in this embodiment.
  • the first channel includes the PUSCH and the PUCCH as an example, which exemplarily shows that when the first HARQ process number is the uplink HARQ process number, the first correspondence is one. a possible form of existence.
  • the first transmission time length corresponding to each of the at least two first channels corresponding to at least one HARQ process ID in the first correspondence is different.
  • the first transmission time length corresponding to at least two first channels corresponding to at least one uplink HARQ process number in the first correspondence is different, if the HARQ process number of the PUSCH is uplink HARQ
  • the process number X2 for example, as shown in the above table 19, the first transmission time length corresponding to the PUSCH corresponding to the uplink HARQ process number X2 is 3 symbols, and the second transmission corresponding to the PUCCH for transmitting the uplink control information on the uplink HARQ process number X2
  • the time length is 1 symbol
  • the terminal device determines the channel type of the first channel before determining the first transmission time length according to the first HARQ process ID and the first correspondence
  • the network device determines the process number of the first HARQ process according to the process number of the first HARQ process.
  • the first correspondence relationship and the first channel attribute determine a first transmission time length corresponding to the first channel.
  • the uplink HARQ process ID X0 to the uplink HARQ process number X15 in the above-mentioned Tables 14 to 23 respectively represent a specific uplink HARQ process number.
  • the uplink HARQ process number X0 corresponds to the uplink HARQ process ID. 7.
  • At least one HARQ process number in the above Table 18, and/or at least one HARQ process number in Table 19, and/or at least one HARQ process number in Table 20 may be combined into a new one.
  • the first transmission time length corresponding to each of the at least two first channels corresponding to the process number of the first HARQ process is the same, if the HARQ process number of the PUSCH is the first HARQ process ID, for example,
  • the first HARQ process ID is the uplink HARQ process ID X0, and the first transmission time length corresponding to each of the corresponding PUSCH and the PUCCH is 2 symbols, and the terminal device is based on the first HARQ.
  • the process number and the first correspondence directly determine the length of the first transmission time, and it is not necessary to determine the channel type of the first channel.
  • the first HARQ process ID is an uplink HARQ process ID
  • the first channel includes an uplink shared channel.
  • the first channel includes a PUSCH, or the first channel includes a PUCCH and a PUSCH.
  • the PUSCH is used to carry data information.
  • first HARQ process ID is an uplink HARQ process ID
  • form and content of the first correspondence relationship shown in the above Tables 14 to 20 are exemplary, and the first correspondence may also be Other tables or formulas are not limited in this embodiment.
  • the first transmission time length corresponding to the queried PUSCH is 1 ms.
  • the first transmission time length corresponding to the PUCCH is 1 ms; when the first correspondence is as shown in Table 19, the first transmission time length corresponding to the queried PUSCH is 3 symbols, and the first transmission time length corresponding to the PUCCH is 1 Symbols.
  • Step 1003 The network device sends the first channel to the terminal device according to the first transmission time length.
  • the terminal device sends the first channel to the network device by using at least one symbol of the first transmission time length.
  • the first channel may occupy the entire length of time or part of the length of the first transmission time.
  • the first transmission time length of multiple lengths may be included in the TTI length of the first channel.
  • the TTI length of the first channel includes a first transmission time length of one symbol length corresponding to the PUCCH, and a first transmission time length of two symbol lengths corresponding to the PUSCH.
  • the two first channels are respectively sent on the same or different first transmission time lengths of different TTI lengths of the first channel, or corresponding to the same first
  • the two first channels are transmitted on different first transmission time lengths of a channel's TTI.
  • the first channel includes a PUCCH and a PUSCH
  • the first transmission time length corresponding to the PUCCH is 1 symbol
  • the first transmission time length corresponding to the PUSCH is 3 symbols
  • the terminal device is Transmitting a PUC on a TTI of a first channel having 1 symbol, transmitting a PUSCH on a TTI of another first channel having 3 symbols; or transmitting a TTI of a first channel having 3 symbols or more
  • the first channel is transmitted, the PUCCH is transmitted on a first transmission time length having 1 symbol, and the PUSCH is transmitted on a first transmission time length having 2 symbols.
  • the network device obtains the first HARQ process ID, determines the first transmission time length according to the first HARQ process ID and the first correspondence, and receives the first channel sent by the terminal device according to the first transmission time length, and
  • the method on the terminal device side shown in the above steps 1001 to 1003 is similar, and the details are not described in this embodiment.
  • the network device and the terminal device respectively obtain the first HARQ process ID, and determine the sequential execution relationship of the first transmission time length.
  • Step 1004 The network device determines, according to the first HARQ process ID and the first correspondence, a second transmission time length, where the second transmission time length is a TTI length of the second channel.
  • the second channel is used to transmit the receiving state information of the first channel fed back by the terminal device, and the receiving state information includes ACK information, NACK information, or DTX.
  • the predetermined threshold is 0.5 ms, 1 ms.
  • the first HARQ process ID is a first HARQ process ID of the first channel.
  • the first correspondence further includes: the first transmission time length corresponding to the first group of HARQ process numbers is 2 symbols, and the corresponding second transmission time length is 2 symbols or 3 symbols or 4 symbols or 0.5. Ms; and/or, the first transmission time length corresponding to the second group of HARQ process numbers is 3 symbols or 4 symbols, and the corresponding second transmission time length is 3 symbols or 4 symbols or 0.5 ms; and/or The first transmission time length corresponding to the third group of HARQ process numbers is 0.5 ms, and the corresponding second transmission time length is 0.5 ms or 1 ms; and/or the first transmission time length corresponding to the fourth group of HARQ process numbers is 1 ms. The corresponding second transmission time length is 1 ms.
  • the second channel is a PDSCH as an example, which exemplarily shows one possible form of the first correspondence.
  • Upstream HARQ process number X6 3 symbols 0.5ms Upstream HARQ process number X7 3 symbols 0.5ms Upstream HARQ process number X8 4 symbols 0.5ms Upstream HARQ process number X9 4 symbols 0.5ms Upstream HARQ process number X10 4 symbols 0.5ms Upstream HARQ process number X11 4 symbols 0.5ms Upstream HARQ process number X12 1ms 1ms Upstream HARQ process number X13 1ms 1ms Upstream HARQ process number X14 1ms 1ms Upstream HARQ process number X15 1ms 1ms 1ms
  • the uplink HARQ process ID X0 to the uplink HARQ process number X3 belong to the first group of HARQ process numbers, and the corresponding first transmission time length is 2 symbols, and the corresponding second transmission time length is 3 symbols. Or 4 symbols; the uplink HARQ process number X4 to the uplink HARQ process number X7 is the fourth group of HARQ process numbers, the corresponding first transmission time length is 1 ms, and the corresponding second transmission time length is 1 ms. It can be seen that the first group of HARQ process numbers and the fourth group of HARQ process numbers included in the first correspondence relationship are different.
  • the uplink HARQ process number X0 to the uplink HARQ process number X15 in the above-mentioned Tables 21 to 23 respectively represent a specific uplink HARQ process number.
  • the uplink HARQ process number X0 corresponds to the uplink HARQ process. No. 7.
  • At least one HARQ process number in the above table 21, and/or at least one HARQ process number in the table 22, and/or at least one HARQ process number in the table 23 may be combined into a new first correspondence. relationship.
  • the network device sends the second channel to the terminal device on at least one symbol of the second transmission time length.
  • the second channel may occupy the entire length of time or part of the length of the second transmission time.
  • the terminal device determines the second transmission time length according to the first HARQ process ID and the first correspondence, and receives the second channel sent by the network device according to the second transmission time length, and the foregoing steps 1004 and 1005 are performed.
  • the method on the network device side is similar, and this embodiment does not Let me repeat.
  • the network device and the terminal device determine the sequential execution relationship of the second transmission time length according to the first HARQ process ID and the first correspondence, respectively.
  • Step 1006 When the first correspondence is changed, the terminal device determines, according to the first HARQ process ID and the first correspondence before the change, that the transmission time length corresponding to the retransmitted first channel is the first transmission time length.
  • the length of the transmission time corresponding to the retransmitted first channel is the first transmission time length.
  • the length of the transmission time corresponding to the first channel that is initially transmitted may be the same as or different from the length of the first transmission time, depending on the first correspondence that is currently in effect;
  • the transmission time length corresponding to one channel must be the same as the length of the first transmission time.
  • the network device determines, according to the first HARQ process ID, that the length of the transmission time corresponding to the retransmitted first channel is the length of the first transmission time is the same as the method on the network device side shown in step 1006 above. This will not be repeated here.
  • the network device and the terminal device determine the sequential execution relationship of the third transmission time length according to the process ID of the first HARQ process, respectively.
  • Step 1007 The terminal device sends the retransmitted first channel to the network device according to the first transmission time length.
  • Step 1008 The network device receives the retransmitted first channel sent by the device in the first transmission time length.
  • the downlink HARQ feedback and the corresponding relationship between the uplink HARQ process ID and the transmission time length are associated with each other, as another implementation manner of the embodiment shown in FIG. 10A.
  • the correspondence between the downlink HARQ feedback, the uplink HARQ process ID, and the transmission time length is separately indicated. That is, the correspondence between the downlink HARQ feedback and the transmission time length is indicated by a third correspondence relationship.
  • step 1004 can be replaced by the following steps, as shown in FIG. 10B:
  • the network device determines a second HARQ process ID, and the second HARQ process ID is a HARQ process number of the second channel.
  • the second HARQ process number is a downlink HARQ process number.
  • the network device determines according to the second HARQ process ID and the third correspondence.
  • the second transmission time length, and the second transmission time length is the TTI length of the second channel.
  • the downlink HARQ process number X0 to the downlink HARQ process number X3 belong to the first group of HARQ process numbers, and the second transmission time length corresponding to the first group of HARQ process numbers is 2 symbols;
  • the HARQ process ID X7 belongs to the fourth group of HARQ process IDs, and the second transmission time length corresponding to the fourth group of HARQ process IDs is 1 ms.
  • the network device does not need to query.
  • the second transmission time length can be directly determined, and the information transceiving method provided in this embodiment can still be used.
  • the information transceiving method provided by this embodiment can be implemented compatible with the HARQ mechanism in the prior art.
  • the downlink HARQ process number X0 to the downlink HARQ process number X15 in the following Tables 1 to 7 respectively represent a specific downlink HARQ process number.
  • the downlink HARQ process number X0 corresponds to the downlink HARQ process number 3.
  • At least one HARQ process number in Table 1 below, and/or at least one HARQ process number in Table 2, and/or at least one HARQ process number in Table 3, and/or at least one HARQ process number in Table 4. Can be combined into a new third correspondence.
  • At least one HARQ process number in Table 5 below, and/or at least one HARQ process number in Table 6, and/or at least one HARQ process number in Table 7 may be combined into a new third correspondence.
  • the second transmission time length corresponding to each of the at least two second channels corresponding to the second HARQ process ID is the same, if the HARQ process ID of the PDSCH is the second HARQ process ID, for example, when the third The corresponding relationship is as shown in the above table 5.
  • the second HARQ process ID is the uplink HARQ process ID X0, and the second transmission time length corresponding to each of the corresponding PDSCH and the PDCCH is 2 symbols, and the network device is based on the second HARQ process ID and the third.
  • the correspondence directly determines the second transmission time length without determining the channel type of the second channel.
  • the second HARQ process ID is the downlink HARQ process ID
  • the above table 1 to The form and content of the third correspondence shown in Table 7 are exemplary, and the third correspondence may be other tables or formulas, which is not limited in this embodiment.
  • the foregoing step 1001 further includes the following steps, as shown in FIG.
  • step 1101 the network device determines a second HARQ process ID.
  • Step 1102 The terminal device determines a second HARQ process ID.
  • Step 1103 The network device determines, according to the second HARQ process ID and the third correspondence, the fourth transmission time length corresponding to the fourth channel.
  • the fourth channel includes a PDCCH, and the fourth channel is configured to carry the first indication information.
  • the first indication information includes at least one of scheduling information of a time-frequency resource, a coded modulation mode, and control information of the HARQ, which is not limited in this embodiment.
  • Step 1105 The network device sends a fourth channel to the terminal device.
  • the network device sends the fourth channel to the terminal device on at least one symbol of the fourth transmission time length.
  • the fourth channel may occupy the entire length of time or part of the length of the fourth transmission time.
  • Step 1106 The terminal device receives the fourth channel sent by the network device.
  • the network device indicates the process of uplink transmission resources to the terminal device, and may instead use the indication process in the prior art.
  • the first correspondence is as shown in the above table 21, and the third correspondence is as shown in Table 1 above.
  • the first HARQ process number is an uplink HARQ process number.
  • the second HARQ process number is a downlink HARQ process number.
  • the network device and the terminal device determine that the second HARQ process ID is the downlink HARQ process ID X1, the fourth channel 1201 is the PDCCH, and the fourth transmission time length corresponding to the PDCCH indicated by the third correspondence is 2 symbols.
  • the network device sends the first indication information carried on the fourth channel 1201 to the terminal device on all or part of the time-frequency resources of the fourth transmission time with 2 symbols; the terminal device has all the fourth transmission time with 2 symbols.
  • the fourth channel 1201 is received on a part of the time-frequency resource.
  • the network device and the terminal device determine that the first HARQ process ID is the uplink HARQ process ID X1, the first channel 1202 is the PUSCH, and the first correspondence is used to indicate that the first transmission time length corresponding to the first channel 1202 is 2 symbols, the first The HARQ process number of the channel is the first HARQ process number.
  • the terminal device sends, by using the first HARQ process, data information carried on the first channel 1202 to all or part of the time-frequency resources of the first transmission time length of 2 symbols; the network device has the second symbol
  • the data information carried on the first channel 1202 sent by the terminal device is received on all or part of the time-frequency resources of a transmission time length.
  • the second channel 1203 is a PDSCH, and the network device and the terminal device determine that the second transmission time length is 3 symbols according to the first correspondence relationship and the first HARQ process ID.
  • the network device sends the ACK/NACK information carried on the second channel 1203 to the terminal device on all or part of the time-frequency resource having the second transmission time length of 3 symbols; the second transmission time length of the terminal device having 3 symbols
  • the ACK/NACK information carried on the second channel 1203 sent by the network device is received on all or part of the time-frequency resources.
  • the terminal device transmits the retransmitted first channel on all or part of the time-frequency resources of the first transmission time length
  • FIG. 12 shows a schematic diagram of the terminal device retransmitting the first channel 1202; the network device is in the first transmission time length.
  • the first channel of the retransmission is received on all or part of the time-frequency resource.
  • the terminal device When the network device is the sending device, the terminal device is the receiving device, or when the terminal device is the sending device, and the network device is the receiving device, before the network device determines the first transmission time length according to the first HARQ process ID and the first correspondence relationship. And/or, the terminal device further includes the following steps 1301 to 1305 before determining the first transmission time length according to the first HARQ process ID and the first correspondence, as shown in FIG. 13 :
  • a first correspondence may be a first correspondence used by a terminal device, or may be The first correspondence used by the cell.
  • the first correspondence corresponding to the same terminal device is the same at different times or not In the same manner, this embodiment does not limit this.
  • Step 1302 The first network device sends first signaling to the second network device, where the first signaling includes information used to indicate the first correspondence.
  • the step 1302 is optional.
  • the first network device sends the first signaling to the second network device, and the second network device obtains according to the first signaling.
  • the first correspondence, and/or the first signaling is forwarded to the terminal device, which is not limited in this embodiment.
  • the second network device determines the first correspondence according to the first signaling, and the second network device determines, according to the first correspondence relationship of the terminal device served by the first network device, the scheduling information of the terminal device served by the second network device. Or determining a first correspondence corresponding to the terminal device served by the second network device.
  • Step 1303 The terminal device receives the first signaling sent by the first network device, where the first signaling includes information used to indicate the first correspondence.
  • Step 1304 The first network device sends the second signaling to the terminal device, where the second signaling is used to indicate that the terminal device has the capability of acquiring the first correspondence, or the second signaling is used to indicate that the terminal device has the first correspondence. The ability to relate.
  • the network device may send the first signaling, so that the terminal device determines the first correspondence, or may send the information to the terminal device by using the preset first correspondence.
  • the information sent by the terminal device is as shown in Table 1 to Table 23 above.
  • Step 1305 The terminal device receives the second signaling sent by the first network device, where the second signaling is used to indicate that the terminal device has the capability of acquiring the first correspondence, or the second signaling is used to indicate that the terminal device has the first usage.
  • the terminal device may receive the first signaling to obtain the first correspondence, or may send the information to the network device or receive the information sent by the network device by using the preset first correspondence. For example, Table 1 to Table 23 above.
  • the terminal device is not indicated by the network device to have the capability of acquiring the first correspondence or is not indicated by the network device to have the capability of using the first correspondence, and may be that the terminal device does not receive the second signaling sent by the network device.
  • the terminal device may receive the fifth signaling sent by the network device, where the fifth signaling is used to indicate that the terminal device does not have the capability of acquiring the first correspondence, or that the terminal device receives the second message sent by the network device.
  • the second signaling is used to indicate that the terminal device does not have the capability to use the first correspondence.
  • the terminal device is not indicated to have the ability to acquire the first correspondence, Or when it is not indicated that the capability to use the first correspondence is used, the terminal device will perform the transmission or reception process using the prior art, that is, the transmission time length of 1 ms, until the second signaling is received.
  • the terminal device when the terminal device is instructed to perform certain operations or has certain capabilities, it may be determined according to the signaling sent by the received network device, and therefore, further, the terminal device receives At least one of the first signaling and the second signaling sent by the network device.
  • the terminal device is the sending device
  • the network device is the receiving device
  • the corresponding relationship between the downlink HARQ process ID, the uplink HARQ process ID, and the transmission time length is separately indicated;
  • the second network device acquires a third correspondence according to the third signaling, and the second network device determines, according to the third correspondence of the terminal device served by the first network device, scheduling information of the terminal device served by the second network device. Or determining a third correspondence corresponding to the terminal device served by the second network device.
  • Step 1404 The first network device sends a fourth signaling to the terminal device, where the fourth signaling is used to indicate that the terminal device has the capability of acquiring the third correspondence, or the fourth signaling is used to indicate that the terminal device has the third correspondence. The ability to relate.
  • Step 1405 The terminal device receives the fourth signaling sent by the first network device, where the fourth signaling is used to indicate that the terminal device has the capability of acquiring the third correspondence, or the fourth signaling is used to indicate that the terminal device has the third The ability to correspond to relationships.
  • the terminal device may receive the third signaling to obtain the third correspondence, or may send the information to the network device or receive the information sent by the network device by using the preset third correspondence.
  • the terminal device is not indicated by the network device to have the capability of acquiring the third correspondence or is not indicated by the network device to have the third correspondence, and the terminal device may not receive the fourth signaling sent by the network device.
  • the terminal device may receive the sixth signaling sent by the network device, where the sixth signaling is used to indicate that the terminal device does not have the capability of acquiring the third correspondence, or the terminal device may receive the fourth signaling sent by the network device.
  • the fourth signaling is used to indicate that the terminal device does not have the capability to use the third correspondence.
  • the terminal device is not indicated to have the ability to acquire a third correspondence, or When it is not indicated that the capability to use the third correspondence is used, the terminal device will perform the transmission or reception process using the prior art, that is, the transmission time length of 1 ms, until the fourth signaling is received.
  • FIG. 15 is a structural block diagram of an information sending apparatus according to an embodiment of the present invention.
  • the information sending apparatus may be implemented as part or all of a transmitting apparatus by software, hardware, or a combination of both.
  • the information transmitting device may include:
  • the information transmitting apparatus shown in FIG. 15 is configured to implement the above-described information transmitting and receiving method.
  • the transmitting device determines the process number, the transmission time length, and other information
  • the transmitting device can be implemented by the determining unit 1510; when the transmitting device receives and/or transmits the information. , can be implemented by the above communication unit 1520.
  • FIG. 16 is a structural block diagram of an information receiving apparatus according to an embodiment of the present invention.
  • the information receiving apparatus may be implemented as part or all of a receiving apparatus by software, hardware, or a combination of both.
  • the information receiving device may include:
  • the determining unit 1610 is configured to determine a first HARQ process ID, where the first HARQ process ID is a HARQ process ID of the first channel.
  • the determining unit 1610 is further configured to: according to the process ID and the first correspondence of the first HARQ process, Determining a first transmission time length, where the first transmission time length is a transmission time interval TTI length of the first channel, where the first correspondence is used to indicate a correspondence between the first HARQ process ID and the first transmission time length.
  • the communication unit 1620 is configured to receive the first channel sent by the sending device according to the first transmission time length.
  • the information transmitting apparatus shown in FIG. 16 is configured to implement the above-described information transmitting and receiving method.
  • the receiving device determines the process number, the transmission time length, and other information
  • the receiving device can be implemented by the determining unit 1610; when the receiving device receives and/or transmits the information. , can be implemented by the above communication unit 1620.
  • the determining unit 1510 is further configured to determine, according to the process ID of the first HARQ process and the first correspondence, the first transmission time length, where the first transmission time length is a transmission time interval TTI length of the first channel, and the first correspondence is used for Indicates a correspondence between the first HARQ process ID and the first transmission time length.
  • the communication unit 1520 is configured to receive the first channel sent by the sending device according to the first transmission time length.
  • the determining unit 1510 is further configured to determine, according to the first HARQ process ID and the first correspondence before the change, that the transmission time length corresponding to the retransmitted first channel is the first transmission time length.
  • the communication unit 1520 is further configured to send the retransmitted first channel to the receiving device according to the first transmission time length.
  • the determining unit 1610 is configured to determine a first hybrid automatic repeat request HARQ process number, A HARQ process number is the HARQ process number of the first channel.
  • the determining unit 1610 is further configured to determine, according to the process ID of the first HARQ process and the first correspondence, the first transmission time length, where the first transmission time length is a transmission time interval TTI length of the first channel, and the first correspondence is used for Indicate a correspondence between the first HARQ process ID and the first transmission time length;
  • the communication unit 1620 is further configured to receive the first channel sent by the sending device according to the first transmission time length.
  • the determining unit 1610 is further configured to determine, according to the first HARQ process ID and the first correspondence, a second transmission time length, where the second transmission time length is a TTI length of the second channel.
  • the communication unit 1620 is further configured to send a second channel to the sending device according to the second transmission time length, where the second channel is used to transmit the receiving state information of the first channel that is fed back to the sending device, where the receiving the state information includes the acknowledgement ACK information, and the NACK is denied. Information or, for discontinuous transmission of DTX.
  • the determining unit 1610 is further configured to determine, according to the first HARQ process ID and the first correspondence before the change, that the transmission time length corresponding to the retransmitted first channel is the first transmission time length.
  • the determining unit 1510 determines a second HARQ process ID, where the second HARQ process ID is a HARQ process ID of the third channel, and the third channel is used to transmit data.
  • the determining unit 1510 is further configured to determine, according to the second HARQ process ID and the first correspondence, a third transmission time length, where the third transmission time length is a TTI length of the third channel.
  • the determining unit 1510 is further configured to determine, according to the first transmission time length and the third transmission time length, a second transmission time length, where the second transmission time length is a TTI length of the second channel, and the third transmission time length is a third channel TTI length;
  • the determining unit 1510 is further configured to determine that the second transmission time length is a larger one of the first transmission time length and the third transmission time length;
  • the communication unit 1520 is further configured to receive, according to the second transmission time length, a second channel that is sent by the receiving device, where the second channel is used to transmit the receiving state information of the first channel that is fed back by the receiving device, where the receiving the state information includes the acknowledgement ACK information, and the NACK is denied.
  • Information, or discontinuous transmission of DTX is further configured to receive, according to the second transmission time length, a second channel that is sent by the receiving device, where the second channel is used to transmit the receiving state information of the first channel that is fed back by the receiving device, where the receiving the state information includes the acknowledgement ACK information, and the NACK is denied.
  • Information, or discontinuous transmission of DTX is further configured to receive, according to the second transmission time length, a second channel that is sent by the receiving device, where the second channel is used to transmit the receiving state information of the first channel that is fed back by the receiving device, where the receiving the state information includes the acknowledgement ACK information, and the NACK is denied.
  • the determining unit 1610 is further configured to determine a second HARQ process ID, where the second HARQ process ID is a HARQ process ID of the third channel, and the third channel is used to transmit data.
  • the determining unit 1610 is further configured to determine, according to the second HARQ process ID and the first correspondence, a third transmission time length, where the third transmission time length is a TTI length of the third channel.
  • the sending device is the first network device
  • the receiving device is the terminal device, or the sending device is the terminal device, and the receiving device is the first network device
  • the communication unit 1520 is further configured to send the first signaling to the terminal device, where the first signaling includes information used to indicate the first correspondence, and/or, the second signaling is sent to the terminal device, where the second signaling is used. Instructing the terminal device to have the capability of acquiring the first correspondence, or the second signaling is used to indicate that the terminal device has the capability to use the first correspondence; and/or to send the first signaling to the second network device, first The signaling includes information indicating the first correspondence.
  • the communication unit 1520 is further configured to receive the first signaling sent by the first network device, where the first signaling includes information used to indicate the first correspondence, and/or receive the second message sent by the first network device.
  • the second signaling is used to indicate that the terminal device has the capability of acquiring the first correspondence, or the second signaling is used to indicate that the terminal device has the capability of using the first correspondence.
  • the communication unit 1620 is further configured to receive the first signaling sent by the first network device, where the first signaling includes information used to indicate the first correspondence, and/or receive the second signaling sent by the first network device.
  • the second signaling is used to indicate that the terminal device has the capability of acquiring the first correspondence, or the second signaling is used to indicate that the terminal device has the capability of using the first correspondence.
  • the determining unit 1510 is further configured to: when the sending device is the terminal device, and the receiving device is the first network device, the sending device receives the first HARQ process ID allocated by the first network device, where the first HARQ process ID is the first network. And determining, by the device according to the service type corresponding to the first channel and the second correspondence, the target group HARQ process ID corresponding to the service type, and the device is allocated from the target group HARQ process ID.
  • the determining unit 1610 is further configured to: when the receiving device is the first network device, and the sending device is the terminal device, the first network device determines a service type corresponding to the first channel; and determines the service type according to the service type and the second correspondence relationship. Corresponding target group HARQ process number, the first HARQ process ID is allocated from the target group HARQ process ID.
  • the above mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

Conformément à un mode de réalisation, la présente invention se rapporte au domaine des communications, et concerne un procédé d'envoi d'informations, un procédé de réception d'informations, un dispositif et un système. Le procédé comprend les opérations suivantes : un dispositif d'envoi et un dispositif de réception déterminent un premier nombre de traitement de demande de répétition automatique hybride (HARQ), le premier nombre de traitement HARQ étant un nombre de traitement HARQ d'un premier canal; le dispositif d'envoi détermine un premier temps de transmission selon le premier nombre de traitement HARQ et une première correspondance, le premier temps de transmission étant un intervalle de temps de transmission (TTI) du premier canal; et le dispositif d'envoi envoie le premier canal au dispositif de réception. La présente invention résout le problème dans l'état de la technique selon lequel une communication d'informations entre un dispositif d'envoi et un dispositif de réception à l'aide d'un TTI d'une durée unique ne peut pas satisfaire toutes les exigences de service. La présente invention permet également à un dispositif d'envoi de demander, selon un nombre de traitement, un premier temps de transmission correspondant à un premier canal, et d'envoyer le premier canal sur un TTI du premier canal, à savoir, le premier temps de transmission, de telle sorte que différents temps de transmission peuvent être utilisés pour le premier canal selon différentes exigences de service.
PCT/CN2016/077560 2016-01-27 2016-03-28 Procédé d'envoi d'informations, procédé de réception d'informations, dispositif et système Ceased WO2017128512A1 (fr)

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CN112398587B (zh) * 2019-08-14 2022-06-07 中国移动通信有限公司研究院 混合自动重传请求harq进程反馈的控制方法、终端及设备
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WO2024124458A1 (fr) * 2022-12-14 2024-06-20 Oppo广东移动通信有限公司 Procédé et appareil de traitement de processus harq, dispositif, support de stockage et produit

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WO2014171754A1 (fr) * 2013-04-19 2014-10-23 주식회사 케이티 Procédé et appareil permettant la transmission et la réception d'informations de commande en liaison descendante
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CN102480348A (zh) * 2010-11-29 2012-05-30 中兴通讯股份有限公司 数据传输方法及通信节点
CN102932874A (zh) * 2011-08-11 2013-02-13 华为技术有限公司 一种数据传输方法和系统，用户设备及基站

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