WO2018014162A1 - 传输数据的方法和装置 - Google Patents
传输数据的方法和装置 Download PDFInfo
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- WO2018014162A1 WO2018014162A1 PCT/CN2016/090319 CN2016090319W WO2018014162A1 WO 2018014162 A1 WO2018014162 A1 WO 2018014162A1 CN 2016090319 W CN2016090319 W CN 2016090319W WO 2018014162 A1 WO2018014162 A1 WO 2018014162A1
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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
- H04L1/1607—Details of the supervisory signal
- H04L1/1685—Details of the supervisory signal the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal
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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
- H04L1/1607—Details of the supervisory signal
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1854—Scheduling and prioritising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
Definitions
- the present application relates to the field of communications and, more particularly, to methods and apparatus for transmitting data.
- the first device needs to decode the data when receiving the data, and returns Acknowledge/Non-acknowledge (ACK/NACK for short) according to the decoding result. Then, the second device determines whether a Hybrid Automatic Repeat Request (HARQ) retransmission is required. Since data decoding and returning ACK/NACK take a certain amount of time, this will result in a long transmission delay, and each ACK/NACK feedback needs to occupy control channel resources. Future network systems place higher demands on the delay and reliability of data transmission, especially for Ultra-reliable Low-latency Communication (URLC) services. If the reliability of the transmission of the terminal device (the probability of being able to correctly receive data) is high, the ACK/NACK feedback for each transmission of the data will cause a long transmission delay to some extent, and the signaling overhead is increased.
- HARQ Hybrid Automatic Repeat Request
- the embodiment of the present invention provides a method and an apparatus for transmitting data, which can reduce data transmission delay and reduce signaling overhead.
- a method for transmitting data includes: receiving, by a first device, first indication information sent by a second device, where the first indication information is used to indicate whether the first device is to the first The second device sends the ACK/NACK feedback information of the first data, and when the first indication information is used to indicate that the first device sends the ACK/NACK feedback information of the first data to the second device, The first device sends the ACK/NACK feedback information of the first data to the second device.
- the first device receives the first indication information that is sent by the second device, where the first indication information is used to indicate whether the first device sends the ACK/NACK feedback information of the first data, when the first indication is When the first device does not send the ACK/NACK feedback information of the first data, the first device does not send the ACK/NACK feedback information of the first data, when the first indication
- the first device sends the ACK/NACK feedback information of the first data to the second device, and the first device may send the second information according to the indication of the first indication information.
- the device sends the ACK/NACK feedback information of the first data, for example, the ACK/NACK feedback information may be an acknowledgment or a non-acknowledgment, so that the ACK/NACK feedback information of the first data is prevented from being sent by the first device to the second device, which may be reduced.
- the transmission delay can save signaling overhead, reduce resource waste, and improve resource utilization.
- the first data may be one or more data packets, or the first data may be one or more data blocks.
- the first device may be a terminal device, and the second device is a network device; or the first device is a network device, and the second device is a terminal device; or the first device is a terminal device, and the second device is a terminal device.
- the first indication information when the first indication information is carried in the packet that encapsulates the first data or the scheduling information of the first data, the first indication information is used to indicate whether to feed back the ACK/NACK feedback information of the first data. That is, each data carries its own first indication information to indicate whether the ACK/NACK feedback information of the first data needs to be fed back, so that the first device can feed back the first data to the second device according to the first indication information.
- the ACK/NACK feedback information can save signaling overhead and improve resource utilization.
- the scheduling information of the first data may be the control information of the first data.
- the scheduling information of the first data may be downlink control information.
- DCI Downlink Control Information
- the first device by the first device, the first indication information that is sent by the second device, The first indication information carried by the second device by using the packet of the second data or the scheduling information of the second data.
- the first indication information when the first indication information is carried in the packet that encapsulates the second data or the scheduling information of the second data, the first indication information is used to indicate whether to feed back the ACK/NACK feedback information of the first data.
- the second data carries the first indication information of the first data, to indicate whether the ACK/NACK feedback information of the first data needs to be fed back, so that the first device can be avoided.
- the ACK/NACK feedback information of the first data is fed back to the second device according to the first indication information, which can save signaling overhead and improve resource utilization.
- the second data carries indication information for feeding back ACK/NACK feedback corresponding to the multiple data packets or multiple data
- the feedback indication information of the data packet or the plurality of transport blocks may be indicated by the first indication information carried by the second data, and the resource overhead caused by sending the ACK/NACK feedback information by each data packet or the transport block may be avoided, and the resource is further improved. Utilization.
- the first data is N data received or received after the first device receives the first indication information.
- N is greater than or equal to 1, or
- the first data is at least one data received after the first device sends the ACK/NACK feedback information last time, or
- the first data is at least one data that is received after the first device receives the feedback indication information, and the feedback indication information is used to indicate that the first device sends an ACK of the third data to the second device. NACK feedback information.
- the first data is at least one data received between the ACK/NACK feedback information sent by the first device and the ACK/NACK feedback information sent by the first data, or the The data is at least one data received between the feedback indication information received by the first device and the first indication information, and the feedback indication information is used to indicate that the first device is to the second device Send ACK/NACK feedback information of the third data.
- the first data may be the N data that the first device receives the first indication information, for example, the first data is N data received or received by the first device, so that the first indication information may be ACK/NACK feedback information indicating whether to send N data; the first data may also be one or more data received after the first device last time, that is, the ACK/NACK feedback information sent last time; the first data may also be It is one or more data that is received after the first device receives the feedback indication information last time, that is, the first data may also be the ACK/NACK feedback information that the first device needs to send and the last sent ACK.
- At least one data between the /NACK feedback information, or the first data may also be at least one data between the received first indication information and the most recently received feedback indication information, the third data may be The feedback indication information indicates whether data of the ACK/NACK feedback information needs to be transmitted.
- the first data may not be received by the first device before receiving the first indication information.
- N data received or received later for example, the first data decoding requires a certain time
- the fourth data before the first device receives the first data decoding start time and the decoding end time may not be included in the first data.
- the first data is received between the first data and the first information, that is, the first device receives the first indication information, where the first indication information indicates that the ACK/NACK feedback information of the first data is fed back.
- the device can feed back the ACK/NACK feedback information of the first data, so as to avoid waiting for the delay caused by the decoding of the first data when the first indication information is received.
- the method further includes: determining, by the first device, a resource for sending ACK/NACK feedback information according to resources occupied by scheduling information of the second data or the second data; wherein the first device is The sending, by the second device, the ACK/NACK feedback information of the first data, includes: the first device sending, by using the ACK/NACK feedback information, the ACK of the first data to the second device. NACK feedback information.
- the resource for sending the ACK/NACK feedback information of the first data may be determined according to the resource occupied by the scheduling information of the second data or the second data.
- the subframe in which the ACK/NACK feedback information of the first data is transmitted may be determined according to a subframe occupied by the scheduling information of the second data or the second data.
- the uplink control channel resource that transmits the ACK/NACK feedback information of the first data may be confirmed according to an index of a first Control Channel Element (CCE) occupied by the scheduling information of the second data.
- CCE Control Channel Element
- the uplink control channel resource of the ACK/NACK feedback information of the first data may be determined according to a first physical resource block (Physical Resource Block, referred to as “PRB”) occupied by the first data.
- the uplink control channel may be a Physical Uplink Control Channel (PUCCH), and the scheduling information of the second data may be a DCI for scheduling the second data.
- PUCCH Physical Uplink Control Channel
- the first indication information further includes resource information that sends ACK/NACK feedback information of the first data, where The sending, by the first device, the ACK/NACK feedback information of the first data to the second device, that: the first device determines, according to the resource information of the ACK/NACK feedback information that sends the first data, that is used for sending The ACK/NACK feedback information resource; the first device sends ACK/NACK feedback information to the second device on the resource of the ACK/NACK feedback information.
- the resource for sending the ACK/NACK feedback information of the first data may be determined not only according to the resource occupied by the scheduling information of the second data or the second data, but the first indication information may also include sending the first
- the resource information of the ACK/NACK feedback information of the data for example, the resource information may be a resource index or a resource offset, etc., so that when the first indication information is received by the first device, the first indication information may be determined according to the first indication information.
- the resource information of the ACK/NACK feedback information of the first data is transmitted.
- the resource may be an uplink control channel resource that transmits the ACK/NACK feedback information.
- the uplink control channel may be a PUCCH.
- the first indication information includes a Hybrid Automatic Repeat Request (HARQ) timing information, where The HARQ timing information is used to indicate time interval information between a time when the first device receives the first indication information and a time when the first device sends the ACK/NACK feedback information; wherein the first And the sending, by the device, the ACK/NACK feedback information of the first data to the second device, where the first device sends the ACK/NACK feedback information of the first data to the second device according to the HARQ timing information.
- HARQ timing information is used to indicate time interval information between a time when the first device receives the first indication information and a time when the first device sends the ACK/NACK feedback information; wherein the first And the sending, by the device, the ACK/NACK feedback information of the first data to the second device, where the first device sends the ACK/NACK feedback information of the first data to the second device according to the HARQ timing information.
- HARQ timing information is used to indicate time interval information between a time when the
- the first device sends the ACK/NACK feedback information of the first data to the second device, including: If the first device correctly decodes all the data blocks included in the first data, the first device sends the acknowledgement ACK information of the first data to the second device; And describing, by the first data, at least one data block, where the first device sends the non-acknowledgment NACK information of the first data to the second device.
- a second aspect provides a method for transmitting data, where the method includes: the second device sends first indication information to the first device, where the first indication information is used to indicate whether the first device is to the second The device sends the ACK/NACK feedback information of the first data.
- the first indication information is used to indicate that the first device sends the ACK/NACK feedback information of the first data to the second device
- the The second device receives ACK/NACK feedback information of the first data sent by the first device.
- the sending, by the second device, the first indication information to the first device The scheduling information of the data sends the first indication information to the first device.
- the sending, by the second device, the first indication information to the first device Transmitting the second data message or the second data scheduling information to the first device to send the first indication information.
- the first data is N data that is sent or sent after the first device sends the first indication information
- N is greater than or equal to 1
- the first data is at least one data sent after the ACK/NACK feedback information received by the second device last time; or the first data is sent by the second device last time
- the feedback indication information is sent at least one data, and the feedback indication information is used to instruct the first device to send ACK/NACK feedback information of the third data to the second device.
- the first data is at least one data sent between the ACK/NACK feedback information received by the second device last time and the ACK/NACK feedback information of the first data received; or the first The data is at least one data sent between the feedback indication information sent by the second device and the first indication information, and the feedback indication information is used to indicate that the first device sends the information to the second device.
- ACK/NACK feedback information of the third data is used to indicate that the first device sends the information to the second device.
- the receiving, by the second device, the ACK/NACK feedback information of the first data that is sent by the first device includes: Receiving, by the second device, the ACK of the first data sent on the resource that sends the ACK/NACK feedback information determined by the first device according to the resource occupied by the scheduling information of the second data or the second data /NACK feedback information.
- the first indication information further includes resource information that sends ACK/NACK feedback information of the first data, where Receiving, by the second device, the ACK/NACK feedback information of the first data sent by the first device, where the second device receives the ACK/NACK feedback information of the first device according to the first data ACK/NACK feedback information of the first data transmitted by the resource information.
- the first indication information includes hybrid automatic repeat request (HARQ timing information), and the HARQ timing information is used to indicate the foregoing Time interval information between a time when the first instruction information is received by the device and a time when the first device sends the ACK/NACK feedback information; wherein the second device receives the location sent by the first device
- the ACK/NACK feedback information of the first data includes: the second device receiving the first device, sending, according to the HARQ timing information ACK/NACK feedback information of the first data.
- the receiving, by the second device, the ACK/NACK feedback information of the first data that is sent by the first device includes: If the first device correctly decodes the plurality of data blocks included in the first data, the second device receives the acknowledgement ACK information of the first data sent by the first device; if the first device If the at least one data block included in the first data is erroneously decoded, the second device receives the non-acknowledged NACK information of the first data sent by the first device.
- an apparatus for transmitting data for performing the method of any of the first aspect or the first aspect of the first aspect.
- the apparatus comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
- an apparatus for transmitting data for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
- the apparatus comprises means for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
- a system for transmitting data comprising the apparatus of the third aspect and the apparatus of the fourth aspect.
- an apparatus for transmitting data comprising: a receiver, a transmitter, a memory, a processor, and a bus system.
- the receiver, the transmitter, the memory and the processor are connected by the bus system, the memory is for storing instructions for executing the instructions stored by the memory to control the receiver to receive signals and control the sending
- the transmitter transmits a signal, and when the processor executes the memory stored instructions, the execution causes the processor to perform the method of the first aspect or any of the possible implementations of the first aspect.
- an apparatus for transmitting data comprising: a receiver, a transmitter, a memory, a processor, and a bus system.
- the receiver, the transmitter, the memory and the processor are connected by the bus system, the memory is for storing instructions for executing the instructions stored by the memory to control the receiver to receive signals and control the sending
- the transmitter transmits a signal, and when the processor executes the memory stored instructions, the execution causes the processor to perform the method of any of the second aspect or any of the possible implementations of the second aspect.
- a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of the first aspect or any of the possible implementations of the first aspect.
- a computer readable medium for storing a computer program, the calculation The machine program includes instructions for performing the method of the second aspect or any of the possible implementations of the second aspect.
- FIG. 1 is a schematic diagram of a method for transmitting data according to an embodiment of the present application
- FIG. 2 is another schematic diagram of a method for transmitting data according to an embodiment of the present application
- FIG. 3 is a schematic block diagram of an apparatus for transmitting data according to an embodiment of the present application.
- FIG. 4 is another schematic block diagram of an apparatus for transmitting data according to an embodiment of the present application.
- FIG. 5 is a schematic block diagram of a system for transmitting data according to an embodiment of the present application.
- FIG. 6 is a schematic block diagram of an apparatus for transmitting data according to an embodiment of the present application.
- FIG. 7 is another schematic block diagram of an apparatus for transmitting data according to an embodiment of the present application.
- GSM Global System of Mobile communication
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- UMTS Universal Mobile Telecommunication System
- WiMAX Worldwide Interoperability for Microwave Access
- the terminal device may be referred to as a user equipment (User Equipment, referred to as "UE"), a terminal device, a mobile station (Mobile Station, referred to as "MS”), and a mobile terminal (Mobile).
- UE User Equipment
- MS Mobile Station
- Mobile Mobile terminal
- the terminal devices can communicate with one or more core networks via a Radio Access Network (Radio Access Network, hereinafter referred to as "RAN"), for example, the terminals can be mobile phones ( Or a "cellular" telephone) or a computer with a mobile terminal, etc., for example, the terminal can also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges voice and/or with the wireless access network. data.
- Radio Access Network Radio Access Network
- RAN Radio Access Network
- the terminals can be mobile phones ( Or a "cellular" telephone) or a computer with a mobile terminal, etc.
- the terminal can also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges voice and/or with the wireless access network. data.
- the network device may be a base station (Base Transceiver Station, referred to as "BTS”) in the GSM or CDMA, or a base station (NodeB, referred to as "NB”) in the WCDMA system, or may be in the LTE system.
- the evolved base station (Evolutional NodeB, hereinafter referred to as "eNB or eNodeB”) may also be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device may be a relay station.
- CRAN cloud radio access network
- FIG. 1 is a schematic flowchart of a method 100 for transmitting data according to an embodiment of the present application.
- FIG. 1 shows the steps or operations of the method for transmitting data, but the steps or operations are merely examples.
- the embodiment of the present application may also perform other operations or variants of the operations of FIG. 1.
- the method 100 includes:
- the first device receives the first indication information that is sent by the second device, where the first indication information is used to indicate whether the first device sends the ACK/NACK feedback information of the first data to the second device.
- FIG. 2 is a schematic flowchart of a method 200 for transmitting data according to an embodiment of the present application.
- FIG. 2 illustrates the steps or operations of the method of transmitting data, but the steps or operations are merely examples.
- the embodiment of the present application may also perform other operations or variants of the operations of FIG. 2, the method 200 includes:
- the second device sends the first indication information to the first device, where the first indication information is used to indicate whether the first device sends the ACK/NACK feedback information of the first data to the second device.
- the second device receives ACK/NACK feedback information of the first data sent by the first device, when the ACK/NACK information of the first data is back.
- the first device may be a terminal device
- the second device may be a network device
- the first device may be a network device
- the second device may be a terminal device
- the second device may be a terminal device
- the second device may be a terminal device
- the second device may be The terminal device; or the first device may be a network device, and the second device may be a network device, and the embodiment of the present application is not limited thereto.
- first data may be one or more data packets, or the first data may be one or more data blocks, and the embodiment of the present application is not limited thereto.
- the second device sends the first indication information to the first device, where the first indication information is used to indicate whether the first device sends the ACK/NACK feedback information of the first data to the second device, for example, the ACK/NACK feedback.
- the information may be an ACK or a NACK.
- the first device receives the first indication information, when the first indication information indicates that the first device does not send the ACK/NACK feedback information of the first data to the second device, the first device does not send the information.
- the ACK/NACK feedback information of the first data when the first indication information indicates that the first device sends the ACK/NACK feedback information of the first data to the second device, the first device sends the ACK of the first data to the second device.
- the NACK feedback information the first device may send the ACK/NACK feedback information of the first data to the second device according to the first indication information, to prevent the first device from sending the ACK/NACK feedback information of the first data to the second device, so that Save signaling overhead, avoid waste of resources, and improve resource utilization.
- the first indication information may be a special bit specified by the protocol, for example, when the value of the bit is 1, the ACK/NACK feedback information used to instruct the first device to send the first data to the second device, when When the value of the bit is 0, the ACK/NACK feedback information for indicating that the first device does not send the first data to the second device is specifically indicated by the network configuration, or may be an indication manner specified by the protocol.
- the embodiments of the present application are not limited thereto.
- the first indication information may be that the second device sends the information directly to the first device, and the first indication information may also be sent to the first device, and the first indication information may be sent through the control channel.
- the data channel is sent, or the first indication information is also carried in the user plane data transmission, and may also be carried on the control plane data transmission.
- the embodiment of the present application is not limited thereto.
- the second device sends the first indication information to the first device by using a packet that encapsulates the first data or scheduling information of the first data;
- the method includes: the first device receiving the second device by encapsulating the first data The first indication information carried by the packet or the scheduling information of the first data.
- the first indication information when the first indication information is carried in the packet that encapsulates the first data or the scheduling information of the first data, the first indication information indicates whether to indicate whether to feed back ACK/NACK feedback information of the first data, that is, each The data carries the first indication information of the first data to indicate whether the ACK/NACK feedback information of the first data needs to be fed back, so that the first device can prevent the first device from feeding back the ACK of the first data according to the first indication information.
- the NACK feedback information can save signaling overhead and improve resource utilization.
- the second device sends 50 data packets to the first device, and each of the 50 data packets may carry its own first indication information to indicate whether to feed back its own ACK/NACK feedback information.
- a device determines whether to feed back ACK/NACK feedback information of each data packet according to the first indication information of each of the 50 data packets.
- the second device may send the first indication information to the first device by using the packet that encapsulates the first data, and the second device may also be configured by using the first device.
- the first indication information is sent by the Downlink Control Information (DCI), and the embodiment of the present application is not limited thereto.
- DCI Downlink Control Information
- S210 includes: the second device sends the first indication information to the first device by using a packet that encapsulates the second data or scheduling information of the second data. S110. The first device receives the first indication information that is carried by the second device by using a packet that encapsulates the second data or scheduling information of the second data.
- scheduling information of the second data may be the DCI of the second data.
- the first indication information indicates whether the ACK/NACK feedback information for feeding back the first data, that is, the first
- the second data carries the first indication information of the first data, to indicate whether the ACK/NACK feedback information of the first data needs to be fed back, so as to prevent the first device from feeding back the first data to the second device according to the first indication information.
- the ACK/NACK feedback information can save signaling overhead and improve resource utilization.
- the second data when the first data includes multiple data packets or multiple transport blocks, the second data carries indication information for feeding back ACK/NACK feedback corresponding to the multiple data packets or multiple data,
- the feedback indication information of the data packet or the plurality of transport blocks may be indicated by the first indication information carried by the second data, and may prevent each data packet or the transport block from being sent. Resource overhead caused by ACK/NACK feedback information further improves resource utilization.
- each of the 9 data packets may carry the first indication information, and the first indication information carried by each data packet is used to indicate Whether to feed back the ACK/NACK feedback information of the 8 data packets closest to the data packet, if the first indication information in the first data packet to the eighth data packet indicates that the ACK/NACK feedback information is not sent, The first indication information in the ninth data packet indicates that the ACK/NACK feedback information is sent, that is, the ACK/NACK feedback information of the first eight data packets is sent. When the current eight data packets are correctly decoded, the first device is second.
- the device sends the ACK information, and the current 8 data packets are not correctly decoded, that is, when at least one decoding error occurs, the first device sends the NACK information to the second device, so that the ACK/NACK feedback information of the eight data packets can be fed back to the first time.
- the second device avoids feedback of eight ACK/NACK feedback information, further saving signaling overhead and improving resource utilization.
- the first data may not be carried in the 9 data packets, and the second device sends the first indication information to the first device,
- the network configuration The first indication information indicates that the ACK/NACK feedback information of the 9 data packets is fed back.
- the first device sends the ACK information to the second device, when the 9 data packets are not correct.
- decoding that is, at least one decoding error
- the first device sends NACK information to the second device, so that the ACK/NACK feedback information of the nine data packets can be fed back to the second device at one time, avoiding feedback of 9 times ACK/NACK feedback information. Further saving signaling overhead and improving resource utilization.
- the first data is N data received or received after the first device receives the first indication information, where N is greater than or equal to 1, and the first data is the first device. At least one data received after the last time the ACK/NACK feedback information is sent, or the first data is at least one data received after the first device receives the feedback indication information last time, the feedback indication information is used to indicate the Transmitting, by the first device, ACK/NACK feedback information of the third data to the second device
- the first data is at least one data received between the ACK/NACK feedback information sent by the first device last time and the ACK/NACK feedback information sent by the first data, or the first The data is at least one data received between the feedback indication information received by the first device and the first indication information, and the feedback indication information is used to indicate that the first device sends the information to the second device.
- ACK/NACK feedback information of the third data is used to indicate that the first device sends the information to the second device.
- the first data may be the N data that the first device receives the first indication information, for example, the first data is N data received or received by the first device, so that the first indication information may be ACK/NACK feedback information indicating whether to send N data; the first data may also be one or more data received after the first device last time, that is, the ACK/NACK feedback information sent last time; the first data may also be It is one or more data that is received after the first device receives the feedback indication information last time, that is, the first data may also be the ACK/NACK feedback information that the first device needs to send and the last sent ACK.
- At least one data between the /NACK feedback information, or the first data may also be at least one data between the received first indication information and the most recently received feedback indication information, the third data may be The feedback indication information indicates whether data of the ACK/NACK feedback information needs to be transmitted.
- the first data may not be N data received or received by the first device before receiving the first indication information, for example, the first data decoding takes a certain time, when the first device receives the first data decoding.
- the fourth data before the start time and the decoding end time may not be included in the first data, that is, the fourth data is separated from the first information received, that is, the first device receives the first indication information,
- the first indication information indicates that the ACK/NACK feedback information of the first data is fed back, and the first device may feed back the ACK/NACK feedback information of the first data, so as to avoid waiting for the first data decoding when receiving the first indication information. The delay caused.
- the second device may send the first indication information to the first device by using the scheduling information of the 20th data packet or the 20th data packet, because the data Packet decoding requires a certain amount of time.
- the time required to decode 18 data packets is the time for transmitting two data packets.
- the protocol specification or network configuration indicates that the first indication information indicates the ACK/NACK feedback of the first 18 data packets.
- Information such that when receiving the first indication information carried by the 20th data packet or the first indication information carried by the scheduling information of the 20th data packet, the first 18 data packets are just decoded, when 18 data packets are correct When decoding, the first device sends the ACK information to the second device.
- the first device When the 18 data packets are not correctly decoded, that is, at least one decoding error, the first device sends the NACK information to the second device, so that the first indication information is received. There is no time interval between sending ACK/NACK feedback information, which can further reduce the time for transmitting data and improve system performance.
- the first data may be data specified by a network protocol, or data that can be configured through a network, and the embodiment of the present application is not limited thereto.
- the first data is sent by the second device to the first indication N data sent before or after the information, N is greater than or equal to 1, the first data is at least one data sent after the last received ACK/NACK feedback information of the second device; or the first data At least one data that is sent after the last indication sent by the second device, the feedback indication information is used to instruct the first device to send ACK/NACK feedback information of the third data to the second device.
- the method 100 further includes: determining, by the first device, the ACK/NACK feedback according to the resource occupied by the scheduling information of the second data or the second data.
- the S120 includes: the first device sends the ACK/NACK feedback information of the first data to the second device on the resource of the ACK/NACK feedback information.
- the S220 includes: the second device receiving, by the first device, a resource sent on a resource that sends ACK/NACK feedback information determined according to a resource occupied by the second data or the scheduling information of the second data. The ACK/NACK feedback information of the first data is described.
- the resource that sends the ACK/NACK feedback information of the first data may be determined according to the resource occupied by the scheduling information of the second data or the second data.
- the subframe in which the ACK/NACK feedback information of the first data is transmitted may be determined according to a subframe occupied by the scheduling information of the second data or the second data.
- the uplink control channel resource that transmits the ACK/NACK feedback information of the first data may be confirmed according to an index of a first Control Channel Element (CCE) occupied by the scheduling information of the second data.
- CCE Control Channel Element
- the uplink control channel resource of the ACK/NACK feedback information of the first data may be determined according to a first physical resource block (Physical Resource Block, referred to as “PRB”) occupied by the first data.
- the uplink control channel may be a Physical Uplink Control Channel (PUCCH), and the scheduling information of the second data may be a DCI for scheduling the second data.
- PUCCH Physical Uplink Control Channel
- the first indication information further includes resource information of the ACK/NACK feedback information that is used to send the first data
- S120 includes: the first device is configured to send the first data according to The resource information of the ACK/NACK feedback information determines a resource used to send the ACK/NACK feedback information; the first device sends an ACK/NACK feedback information to the second device on the resource of the ACK/NACK feedback information .
- S220 The second device receives ACK/NACK feedback information of the first data that is sent by the first device according to the resource information of the ACK/NACK feedback information of the first data.
- the resource that sends the ACK/NACK feedback information of the first data may be determined not only according to the resource occupied by the scheduling information of the second data or the second data, but the first indication information may also include an ACK that sends the first data.
- the resource information of the NACK feedback information for example, the resource information may be a resource index or a resource offset, etc., so that when the first indication information is received by the first device, the resource information of the ACK/NACK feedback information may be determined.
- the resource may be an uplink control channel resource that transmits the ACK/NACK feedback information.
- the uplink control channel may be a PUCCH.
- the first indication information includes hybrid automatic repeat request (HARQ timing information), and the HARQ timing information is used to indicate that the first device receives the first indication information and the first The time interval information between the time when the device sends the ACK/NACK feedback information, where S120 includes: the first device sends the ACK of the first data to the second device according to the HARQ timing information.
- the NACK feedback information, S220 includes: the second device receiving ACK/NACK feedback information of the first data that is sent by the first device according to the HARQ timing information.
- the time of transmitting the ACK/NACK feedback information of the first data is indicated by the HARQ timing information included in the first indication information
- the timing information of the HARQ may be a transmission time unit that receives the first indication information
- the The first device transmits an offset between transmission time units of the ACK/NACK feedback information.
- the transmission time unit is a basic time domain unit of the transmission signal, for example, the transmission time unit may be a radio frame, a subframe, a transmission time interval ("TTI"), or an orthogonal frequency division multiplexing (Orthogonal Frequency Division). Multiplexing, referred to as "OFDM" symbol, or other time domain units newly defined by 5G, so that the first device can transmit the ACK/NACK feedback information of the first data in the determined transmission time unit.
- TTI transmission time interval
- OFDM Orthogonal frequency division multiplexing
- S120 includes: if the first device correctly decodes all data blocks included in the first data, the first device sends the first data to the second device Acknowledgement of the ACK information; if the first device erroneously decodes the at least one data block included in the first data, the first device sends the non-acknowledgment NACK information of the first data to the second device.
- S220 if the first device correctly decodes all the data blocks included in the first data, the second device receives the acknowledgement ACK information of the first data sent by the first device; The first device incorrectly decodes the at least one data block included in the first data, and the second device receives the non-acknowledgment NACK message of the first data sent by the first device interest.
- the first device when the first data includes one or more data blocks or data packets, when the first device correctly decodes the first data including all one or more data blocks, the first device sends the ACK information to the second device.
- the first device When the first device erroneously decodes one data block included in the first data, or when the first device erroneously decodes at least part of all data blocks included in the first data, the first device sends a NACK to the second device information.
- the sending, by the first device, the ACK/NACK information to the second device may be: feeding back ACK information of multiple data packets when multiple data packets are correctly decoded, and returning multiple data packets when multiple data packets have one error decoding.
- the device sends the ACK information to the second device. When the decoding rate is less than or equal to the threshold, the first device sends the NACK information to the second device.
- the embodiment of the present application is not limited thereto.
- data may be transmitted by using the following steps:
- Step 1 The network device sends DCI 1, DCI2, ... DCI N to the terminal device, and the data transmission block 1 ... data transmission block N scheduled by each of the DCIs.
- Each of the DCIs includes 1-bit ACK/NACK feedback indication information for indicating whether the terminal device needs to feed back ACK/NACK. Meanwhile, each DCI may further include HARQ timing information for indicating a subframe offset between each DCI and the transmitted ACK/NACK feedback.
- step 1 is not limited to the subframe offset, but may also be a frame offset, an OFDM offset, and a future transmission time unit, etc.; the HARQ timing information is not limited to an offset, but may also be a time index. Information and more.
- Step 2 The terminal device detects the DCI 1, DCI 2, ..., DCI N-1 and the data transmission block scheduled by the DCI sent by the network device, and determines that the ACK/NACK feedback indication information is not required according to the ACK/NACK feedback indication information in each DCI. NACK.
- Step 3 The terminal device detects the DCI N sent by the network device and the data transmission block scheduled by the DCI, and determines that the ACK/NACK needs to be fed back according to the ACK/NACK feedback indication information in the DCI N.
- the resource that feeds back the ACK/NACK may be determined according to the CCE index of the DCI N; or the feedback ACK/NACK may be determined according to the index of the first PRB of the data block N.
- the resources and the like, the embodiment of the present application is not limited thereto.
- the ACK/NACK feedback indication information in the DCI N may include HARQ timing information, and the terminal device determines, according to the HARQ timing information in the DCI N, a subframe that transmits the DCI N and a subframe that transmits the ACK/NACK. An offset between frames to determine a subframe that feeds back the ACK/NACK.
- Step 5 The terminal device feeds back ACK/NACK to the network device on the determined subframe according to the detection result of the data transmission block 1...data transmission block N. Wherein, if all N data transmission blocks are correctly detected, ACK is fed back, otherwise, NACK is fed back.
- the ACK/NACK feedback indication information in the DCI N may include resource information for sending an ACK/NACK, and the terminal device may send the ACK/NACK according to the resource information of the ACK/NACK that may be included in the ACK/NACK feedback indication information.
- data may be transmitted by using the following steps:
- Step 1 The network device sends the DCI to the terminal device, and the data transmission block scheduled by the DCI.
- the DCI includes 1-bit ACK/NACK feedback indication information, which is used to indicate whether the terminal device needs to feed back the ACK/NACK of the data transmission block. Meanwhile, the DCI further includes PUCCH resource indication information, where the PUCCH resource indication information indicates an index of the PUCCH resource used by the ACK/NACK.
- Step 2 The terminal device detects the data transmission block scheduled by the DCI and the DCI sent by the network device, and determines that the ACK/NACK needs to be fed back according to the ACK/NACK feedback indication information in the DCI.
- Step 3 The terminal device determines, according to the PUCCH resource indication information in the DCI, a PUCCH resource used for ACK/NACK feedback.
- the ACK/NACK feedback indication information in the DCI may include resource information for sending an ACK/NACK, and the terminal device may send the ACK/NACK according to the resource information of the ACK/NACK that may be included in the ACK/NACK feedback indication information. .
- Step 4 The terminal device feeds back an ACK/NACK to the network device on the PUCCH resource according to the detection result of the data transmission block. Wherein, if the data transmission block is correctly detected, the ACK is fed back, otherwise, the NACK is fed back.
- FIG. 3 is a schematic diagram of an apparatus 300 for transmitting data according to an embodiment of the present application.
- the apparatus 300 includes:
- the receiving module 310 is configured to receive first indication information that is sent by the second device, where the first indication information is used to indicate whether the device sends the ACK/NACK of the first data to the second device. Feed information
- the sending module 320 is configured to: when the first indication information is used to indicate that the apparatus sends the ACK/NACK feedback information of the first data to the second device, send the first to the second device ACK/NACK feedback information for the data.
- the receiving module 310 is specifically configured to: receive the first indication information that is carried by the second device by using a packet that encapsulates the first data or scheduling information of the first data.
- the receiving module 310 is further configured to: receive the first indication information that is carried by the second device by using a packet that encapsulates the second data or the scheduling information of the second data.
- the first data is N data received or received after the apparatus 300 receives the first indication information, where N is greater than or equal to 1, or
- the first data is that the device 300 sends the ACK/NACK feedback information and the at least one data received later, or
- the first data is at least one data received after the feedback indication information received by the device 300 last time, and the feedback indication information is used to instruct the device 300 to send an ACK/NACK of the third data to the second device. Feedback.
- the apparatus 300 further includes: a first determining module, configured to, according to the second data or location, before sending the ACK/NACK feedback information of the first data to the second device
- the resource occupied by the scheduling information of the second data is used to determine a resource for sending ACK/NACK feedback information
- the sending module 320 is specifically configured to: send, to the second device, the resource of the ACK/NACK feedback information ACK/NACK feedback information of the first data.
- the first indication information further includes resource information of the ACK/NACK feedback information of the first data
- the apparatus 300 further includes: a second determining module, configured to send the The resource information of the ACK/NACK feedback information of the data is used to determine the resource for sending the ACK/NACK feedback information; the sending module 320 is further configured to: go to the second device on the resource of the ACK/NACK feedback information Send ACK/NACK feedback information.
- the first indication information includes hybrid automatic repeat request (HARQ timing information), where the HARQ timing information is used to indicate that the apparatus receives the first indication information and the apparatus 300 sends the The time interval information between the times of the ACK/NACK feedback information; the sending module 320 is further configured to: according to the HARQ timing information, The second device sends ACK/NACK feedback information of the first data.
- HARQ timing information hybrid automatic repeat request
- the sending module 320 is specifically configured to: if the device 300 correctly decodes all the data blocks included in the first data, send the confirmation of the first data to the second device. ACK information; if the device erroneously decodes at least one data block included in the first data, transmitting non-acknowledgment NACK information of the first data to the second device.
- the apparatus 300 herein is embodied in the form of a functional module.
- module may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor for executing one or more software or firmware programs (eg, a shared processor, a proprietary processor, or a group). Processors, etc.) and memory, merge logic, and/or other suitable components that support the described functionality.
- ASIC application specific integrated circuit
- the device 300 may be specifically the first device in the foregoing embodiment, and the device 300 may be used to perform various processes and/or corresponding to the first device in the foregoing method embodiments. Steps, to avoid repetition, will not be repeated here.
- FIG. 4 is a schematic diagram of an apparatus 400 for transmitting data according to an embodiment of the present application.
- the apparatus 400 includes:
- the sending module 410 is configured to send first indication information to the first device, where the first indication information is used to indicate whether the first device sends ACK/NACK feedback information of the first data to the device;
- the receiving module 420 is configured to: when the first indication information is used to indicate that the first device sends the ACK/NACK feedback information of the first data to the device, receive the first ACK/NACK feedback information for a data.
- the sending module 410 is specifically configured to: send the first indication information to the first device by using a packet that encapsulates the first data or scheduling information of the first data.
- the sending module 410 is further configured to: send the first indication information to the first device by using a packet that encapsulates the second data or the scheduling information of the second data.
- the first data is N data sent or sent after the device 400 sends the second data, where N is greater than or equal to 1, or
- the first data is at least one data sent after the ACK/NACK feedback information received by the device 400 last time; or
- the first data is at least one data that is sent after the feedback indication information that is sent by the device 400 last time, and the feedback indication information is used to indicate that the first device sends the device 400 to the device 400.
- Send ACK/NACK feedback information of the third data is at least one data that is sent after the feedback indication information that is sent by the device 400 last time, and the feedback indication information is used to indicate that the first device sends the device 400 to the device 400.
- the receiving module 410 is specifically configured to: receive, by the first device, the ACK/NACK feedback information that is determined according to the resource occupied by the second data or the scheduling information of the second data. ACK/NACK feedback information of the first data sent on the resource.
- the first indication information further includes resource information for sending ACK/NACK feedback information of the first data
- the receiving module 410 is further configured to: receive the first device according to the The ACK/NACK feedback information of the first data transmitted by the resource information of the ACK/NACK feedback information of the first data.
- the first indication information includes hybrid automatic repeat request (HARQ timing information), and the HARQ timing information is used to indicate that the first device receives the first indication information and the first Time interval information between the time when the device sends the ACK/NACK feedback information; the receiving module 410 is further configured to: receive an ACK of the first data that is sent by the first device according to the HARQ timing information. NACK feedback information.
- HARQ timing information hybrid automatic repeat request
- the receiving module 410 is further configured to: if the first device correctly decodes all the data blocks included in the first data, the device 400 receives the location sent by the first device Determining ACK information of the first data; if the first device erroneously decodes at least one data block included in the first data, the apparatus 400 receives a non-confirmation of the first data sent by the first device NACK information.
- the apparatus 400 herein is embodied in the form of a functional module.
- module as used herein may refer to an ASIC, an electronic circuit, a processor (eg, a shared processor, a proprietary processor or a group processor, etc.) and memory, a merge logic, and a processor for executing one or more software or firmware programs. / or other suitable components that support the described functionality.
- the device 400 may be specifically the second device in the foregoing embodiment, and the device 400 may be used to perform various processes and/or corresponding to the second device in the foregoing method embodiments. Steps, to avoid repetition, will not be repeated here.
- FIG. 5 is a schematic structural diagram of a system 500 for transmitting data according to an embodiment of the present application.
- the communication system 500 includes a device 300 and a device 400.
- FIG. 6 shows an apparatus 600 for transmitting data provided by an embodiment of the present application.
- the apparatus 600 includes a receiver 610, a processor 620, a transmitter 630, a memory 640, and a bus system 650.
- the receiver 610, the processor 620, the transmitter 630, and the memory 640 are connected by a bus system 650.
- the memory 640 is for storing instructions, and the processor 620 is configured to execute instructions stored by the memory 640 to control the receiver 610 to receive signals and control the transmitter 630 to send instructions.
- the receiver 610 is configured to receive first indication information that is sent by the second device, where the first indication information is used to indicate whether the apparatus 600 sends ACK/NACK feedback information of the first data to the second device;
- the 630 is configured to send the first data to the second device when the first indication information is used to indicate that the device sends the ACK/NACK feedback information of the first data to the second device. ACK/NACK feedback information.
- the receiver 610 is specifically configured to: receive, by the second device, the first indication information that is carried by the packet that encapsulates the first data or the scheduling information of the first data.
- the receiver 610 is further configured to: receive the first indication information that is carried by the second device by using a packet that encapsulates the second data or the scheduling information of the second data.
- the first data is N data received or received by the device 600 before receiving the first indication information, where N is greater than or equal to 1, or
- the first data is that the device 600 sends the ACK/NACK feedback information and the at least one data received later, or
- the first data is at least one data received after the feedback indication information received by the device 600 last time, and the feedback indication information is used to instruct the device 300 to send an ACK/NACK of the third data to the second device. Feedback.
- the processor 620 is configured to perform scheduling information according to the second data or the second data before sending the ACK/NACK feedback information of the first data to the second device.
- the occupied resource determines a resource for sending ACK/NACK feedback information;
- the transmitter 630 is specifically configured to: send an ACK of the first data to the second device on a resource of the ACK/NACK feedback information /NACK feedback information.
- the first indication information further includes resource information for sending ACK/NACK feedback information of the first data
- the processor 620 is further configured to: send an ACK/NACK according to the first data.
- the resource information of the feedback information is used to determine the resource for sending the ACK/NACK feedback information.
- the transmitter 630 is further configured to: send ACK/NACK feedback information to the second device on the resource of the ACK/NACK feedback information. .
- the first indication information includes a hybrid automatic repeat request (HARQ) Timing information
- the HARQ timing information is used to indicate time interval information between a time when the apparatus receives the first indication information and a time when the apparatus sends the ACK/NACK feedback information
- the transmitter 630 is specific
- the method is further configured to: send the ACK/NACK feedback information of the first data to the second device according to the HARQ timing information.
- HARQ hybrid automatic repeat request
- the transmitter 630 is specifically configured to: if the device correctly decodes all the data blocks included in the first data, send the acknowledgement ACK information of the first data to the second device. And if the device erroneously decodes the at least one data block included in the first data, transmitting the non-acknowledgment NACK information of the first data to the second device.
- the device 600 may be specifically the first device in the foregoing embodiment, and may be used to perform various steps and/or processes corresponding to the first device in the foregoing method embodiments.
- the memory 640 can include read only memory and random access memory and provide instructions and data to the processor. A portion of the memory may also include a non-volatile random access memory.
- the memory can also store information of the device type.
- the processor 620 can be configured to execute instructions stored in the memory, and when the processor executes the instructions, the processor can perform the steps corresponding to the first device in the foregoing method embodiments.
- FIG. 7 shows an apparatus 700 for transmitting data provided by an embodiment of the present application.
- the apparatus 700 includes a receiver 710, a processor 720, a transmitter 730, a memory 740, and a bus system 750.
- the receiver 710, the processor 720, the transmitter 730 and the memory 740 are connected by a bus system 750 for storing instructions for executing instructions stored in the memory 740 to control the receiver 710.
- a signal is received and the transmitter 730 is controlled to send an instruction.
- the transmitter 730 is configured to send first indication information to the first device, where the first indication information is used to indicate whether the first device sends ACK/NACK feedback information of the first data to the device.
- the receiver 710 is configured to: when the first indication information is used to indicate that the first device sends the ACK/NACK feedback information of the first data to the device, receive the first ACK/NACK feedback information for a data.
- the transmitter 730 is specifically configured to: send the first indication information to the first device by using a packet that encapsulates the first data or scheduling information of the first data.
- the transmitter 730 is further configured to: send the first indication information to the first device by using a packet that encapsulates the second data or the scheduling information of the second data.
- the first data is N data sent or sent after the device 400 sends the second data, where N is greater than or equal to 1, or
- the first data is at least one data sent after the ACK/NACK feedback information received by the device 700 last time; or
- the first data is at least one data that is sent after the feedback indication information that is sent by the device 700 last time, and the feedback indication information is used to instruct the first device to send an ACK/NACK of the third data to the device 700. Feedback.
- the receiver 710 is specifically configured to: receive, by the first device, the ACK/NACK feedback information that is determined according to the resource occupied by the second data or the scheduling information of the second data. ACK/NACK feedback information of the first data sent on the resource.
- the first indication information further includes resource information for sending ACK/NACK feedback information of the first data
- the receiver 710 is further configured to: receive the first device according to the The ACK/NACK feedback information of the first data transmitted by the resource information of the ACK/NACK feedback information of the first data.
- the first indication information includes hybrid automatic repeat request (HARQ timing information), and the HARQ timing information is used to indicate that the first device receives the first indication information and the first Time interval information between the time when the device sends the ACK/NACK feedback information; the receiver 710 is further configured to: receive an ACK of the first data that is sent by the first device according to the HARQ timing information. NACK feedback information.
- HARQ timing information hybrid automatic repeat request
- the receiver 710 is further configured to: if the first device correctly decodes all the data blocks included in the first data, the apparatus 700 receives the location sent by the first device Determining ACK information of the first data; if the first device erroneously decodes at least one data block included in the first data, the apparatus 700 receives a non-confirmation of the first data sent by the first device NACK information.
- the device 700 may be specifically the second device in the foregoing embodiment, and may be used to perform various steps and/or processes corresponding to the second device in the foregoing method embodiments.
- the memory 740 can include read only memory and random access memory and provide instructions and data to the processor. A portion of the memory may also include a non-volatile random access memory.
- the memory can also store information of the device type.
- the processor 720 can be configured to execute an instruction stored in a memory, and when the processor executes the instruction, the processor can execute the second method in the foregoing method embodiment Prepare the corresponding steps.
- the processor 620 and the processor 720 may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and dedicated integration.
- the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
- the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
- the implementation process constitutes any limitation.
- the disclosed systems, devices, and methods may be implemented in other manners.
- the device embodiments described above are merely illustrative.
- the division of the unit is only a logical function division.
- there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
- the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. You can choose some of them according to actual needs or All units are used to achieve the objectives of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
- the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
- the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
- the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .
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Abstract
Description
Claims (32)
- 一种传输数据的方法,其特征在于,所述方法包括:第一设备接收第二设备发送的第一指示信息,所述第一指示信息用于指示所述第一设备是否向所述第二设备发送第一数据的确认或非确认ACK/NACK反馈信息;当所述第一指示信息用于指示所述第一设备向所述第二设备发送所述第一数据的ACK/NACK反馈信息时,所述第一设备向所述第二设备发送所述第一数据的ACK/NACK反馈信息。
- 根据权利要求1所述的方法,其特征在于,所述第一设备接收第二设备发送的第一指示信息,包括:所述第一设备接收所述第二设备通过封装所述第一数据的报文或所述第一数据的调度信息携带的所述第一指示信息。
- 根据权利要求1所述的方法,其特征在于,所述第一设备接收第二设备发送的第一指示信息,包括:所述第一设备接收所述第二设备通过封装第二数据的报文或所述第二数据的调度信息携带的所述第一指示信息。
- 根据权利要求1或3所述的方法,其特征在于,所述第一数据为所述第一设备接收第一指示信息之前接收或之后接收的N个数据,N大于或等于1,或所述第一数据为所述第一设备最近一次发送ACK/NACK反馈信息之后接收的至少一个数据,或所述第一数据为所述第一设备最近一次接收反馈指示信息之后接收的至少一个数据,所述反馈指示信息用于指示所述第一设备向所述第二设备发送第三数据的ACK/NACK反馈信息。
- 根据权利要求3所述的方法,其特征在于,在所述第一设备向所述第二设备发送所述第一数据的ACK/NACK反馈信息之前,所述方法还包括:所述第一设备根据所述第二数据或所述第二数据的调度信息所占用的资源确定用于发送所述ACK/NACK反馈信息的资源;其中,所述第一设备向所述第二设备发送所述第一数据的ACK/NACK反馈信息,包括:所述第一设备在所述ACK/NACK反馈信息的资源上向所述第二设备发 送所述第一数据的ACK/NACK反馈信息。
- 根据权利要求1至4中任一项所述的方法,其特征在于,所述第一指示信息还包括发送所述第一数据的ACK/NACK反馈信息的资源信息;其中,所述第一设备向所述第二设备发送所述第一数据的ACK/NACK反馈信息,包括:所述第一设备根据发送所述第一数据的ACK/NACK反馈信息的资源信息确定用于发送所述ACK/NACK反馈信息的资源;所述第一设备在所述ACK/NACK反馈信息的资源上向所述第二设备发送ACK/NACK反馈信息。
- 根据权利要求1至6中任一项所述的方法,其特征在于,所述第一指示信息包括混合自动重传请求HARQ定时信息,所述HARQ定时信息用于指示所述第一设备接收所述第一指示信息的时间与所述第一设备发送所述ACK/NACK反馈信息的时间之间的时间间隔信息;其中,所述第一设备向所述第二设备发送第一数据的ACK/NACK反馈信息,包括:所述第一设备根据所述HARQ定时信息向所述第二设备发送所述第一数据的ACK/NACK反馈信息。
- 根据权利要求1至7中任一项所述的方法,其特征在于,所述第一设备向所述第二设备发送所述第一数据的ACK/NACK反馈信息,包括:若所述第一设备正确解码所述第一数据包括的所有数据块时,则所述第一设备向所述第二设备发送所述第一数据的确认ACK信息;若所述第一设备错误解码所述第一数据包括的至少一个数据块时,则所述第一设备向所述第二设备发送所述第一数据的非确认NACK信息。
- 一种传输数据的方法,其特征在于,所述方法包括:第二设备向第一设备发送第一指示信息,所述第一指示信息用于指示所述第一设备是否向所述第二设备发送第一数据的确认或非确认ACK/NACK反馈信息;当所述第一指示信息用于指示所述第一设备向所述第二设备发送所述第一数据的ACK/NACK反馈信息时,所述第二设备接收所述第一设备发送的所述第一数据的ACK/NACK反馈信息。
- 根据权利要求9所述的方法,其特征在于,所述第二设备向第一设 备发送第一指示信息,包括:所述第二设备通过封装所述第一数据的报文或所述第一数据的调度信息向所述第一设备发送所述第一指示信息。
- 根据权利要求9所述的方法,其特征在于,所述第二设备向第一设备发送第一指示信息,包括:所述第二设备通过封装第二数据的报文或所述第二数据的调度信息向所述第一设备发送所述第一指示信息。
- 根据权利要求9或11所述的方法,其特征在于,所述第一数据为所述第二设备发送所述第一指示信息之前发送或之后发送的N个数据,N大于或等于1,或所述第一数据为所述第二设备最近一次接收的ACK/NACK反馈信息之后发送的至少一个数据;或所述第一数据为所述第二设备最近一次发送的反馈指示信息之后发送的至少一个数据,所述反馈指示信息用于指示所述第一设备向所述第二设备发送第三数据的ACK/NACK反馈信息。
- 根据权利要求11所述的方法,其特征在于,所述第二设备接收所述第一设备发送的所述第一数据的ACK/NACK反馈信息,包括:所述第二设备接收所述第一设备根据所述第二数据或所述第二数据的调度信息所占用的资源确定的发送所述ACK/NACK反馈信息的资源上发送的所述第一数据的ACK/NACK反馈信息。
- 根据权利要求9至12中任一项所述的方法,其特征在于,所述第一指示信息还包括发送所述第一数据的ACK/NACK反馈信息的资源信息;其中,所述第二设备接收所述第一设备发送的所述第一数据的ACK/NACK反馈信息,包括:所述第二设备接收所述第一设备根据所述第一数据的ACK/NACK反馈信息的资源信息发送的所述第一数据的ACK/NACK反馈信息。
- 根据权利要求9至14中任一项所述的方法,其特征在于,所述第一指示信息包括混合自动重传请求HARQ定时信息,所述HARQ定时信息用于指示所述第一设备接收的所述第一指示信息的时间与所述第一设备发送所述ACK/NACK反馈信息的时间之间的时间间隔信息;其中,所述第二设备接收所述第一设备发送的所述第一数据的 ACK/NACK反馈信息,包括:所述第二设备接收所述第一设备根据所述HARQ定时信息发送的所述第一数据的ACK/NACK反馈信息。
- 根据权利要求9至15中任一项所述的方法,其特征在于,所述第二设备接收所述第一设备发送的所述第一数据的ACK/NACK反馈信息,包括:若所述第一设备正确解码所述第一数据包括的所有数据块,则所述第二设备接收所述第一设备发送的所述第一数据的确认ACK信息;若所述第一设备错误解码所述第一数据包括的至少一个数据块,则所述第二设备接收所述第一设备发送的所述第一数据的非确认NACK信息。
- 一种传输数据的装置,其特征在于,所述装置包括:接收模块,用于接收第二设备发送的第一指示信息,所述第一指示信息用于指示所述装置是否向所述第二设备发送第一数据的确认或非确认ACK/NACK反馈信息;发送模块,用于当所述第一指示信息用于指示所述装置向所述第二设备发送所述第一数据的ACK/NACK反馈信息时,向所述第二设备发送所述第一数据的ACK/NACK反馈信息。
- 根据权利要求17所述的装置,其特征在于,所述接收模块具体用于:接收所述第二设备通过封装所述第一数据的报文或所述第一数据的调度信息携带的所述第一指示信息。
- 根据权利要求17所述的装置,其特征在于,所述接收模块具体还用于:接收所述第二设备通过封装第二数据的报文或所述第二数据的调度信息携带的所述第一指示信息。
- 根据权利要求17或19所述的装置,其特征在于,所述第一数据为所述装置接收第一指示信息之前接收或之后接收的N个数据,N大于或等于1,或所述第一数据为所述装置最近一次发送的ACK/NACK反馈信息与之后接收的至少一个数据,或所述第一数据为所述装置最近一次接收的反馈指示信息之后接收的至 少一个数据,所述反馈指示信息用于指示所述装置向所述第二设备发送第三数据的ACK/NACK反馈信息。
- 根据权利要求19所述的装置,其特征在于,所述装置还包括:第一确定模块,用于在向所述第二设备发送所述第一数据的ACK/NACK反馈信息之前,根据所述第二数据或所述第二数据的调度信息所占用的资源确定用于发送所述ACK/NACK反馈信息的资源;所述发送模块具体用于:在所述ACK/NACK反馈信息的资源上向所述第二设备发送所述第一数据的ACK/NACK反馈信息。
- 根据权利要求17至20中任一项所述的装置,其特征在于,所述第一指示信息还包括发送所述第一数据的ACK/NACK反馈信息的资源信息;所述装置还包括:第二确定模块,用于根据发送所述第一数据的ACK/NACK反馈信息的资源信息确定发送所述ACK/NACK反馈信息的资源;所述发送模块具体还用于:在所述ACK/NACK反馈信息的资源上向所述第二设备发送ACK/NACK反馈信息。
- 根据权利要求17至22中任一项所述的装置,其特征在于,所述第一指示信息包括混合自动重传请求HARQ定时信息,所述HARQ定时信息用于指示所述装置接收所述第一指示信息的时间与所述装置发送所述ACK/NACK反馈信息的时间之间的时间间隔信息;所述发送模块具体还用于:根据所述HARQ定时信息向所述第二设备发送所述第一数据的ACK/NACK反馈信息。
- 根据权利要求17至23中任一项所述的装置,其特征在于,所述发送模块具体用于:若所述装置正确解码所述第一数据包括的所有数据块时,则向所述第二设备发送所述第一数据的确认ACK信息;若所述装置错误解码所述第一数据包括的所述至少一个数据块,则向所述第二设备发送所述第一数据的非确认NACK信息。
- 一种传输数据的装置,其特征在于,所述装置包括:发送模块,用于向第一设备发送第一指示信息,所述第一指示信息用于指示所述第一设备是否向所述装置发送第一数据的确认或非确认ACK/NACK反馈信息;接收模块,用于当所述第一指示信息用于指示所述第一设备向所述装置发送所述第一数据的ACK/NACK反馈信息时,接收所述第一设备发送的所述第一数据的ACK/NACK反馈信息。
- 根据权利要求25所述的装置,其特征在于,所述发送模块具体用于:通过封装所述第一数据的报文或所述第一数据的调度信息向所述第一设备发送所述第一指示信息。
- 根据权利要求25所述的装置,其特征在于,所述发送模块具体还用于:通过封装第二数据的报文或所述第二数据的调度信息向所述第一设备发送所述第一指示信息。
- 根据权利要求25或27所述的装置,其特征在于,所述第一数据为所述装置发送第二数据之前发送或之后发送的N个数据,N大于或等于1,或所述第一数据为所述装置最近一次接收的ACK/NACK反馈信息之后发送的至少一个数据;或所述第一数据为所述装置最近一次发送的反馈指示信息之后与发送的至少一个数据,所述反馈指示信息用于指示所述第一设备向所述装置发送第三数据的ACK/NACK反馈信息。
- 根据权利要求27所述的装置,其特征在于,所述接收模块具体用于:接收所述第一设备根据所述第二数据或所述第二数据的调度信息所占用的资源确定的发送ACK/NACK反馈信息的资源上发送的所述第一数据的ACK/NACK反馈信息。
- 根据权利要求25至28中任一项所述的装置,其特征在于,所述第一指示信息还包括发送所述第一数据的ACK/NACK反馈信息的资源信息;所述接收模块具体还用于:接收所述第一设备根据所述第一数据的ACK/NACK反馈信息的资源信息发送的所述第一数据的ACK/NACK反馈信息。
- 根据权利要求25至30中任一项所述的装置,其特征在于,所述第一指示信息包括混合自动重传请求HARQ定时信息,所述HARQ定时信息 用于指示所述第一设备接收所述第一指示信息的时间与所述第一设备发送所述ACK/NACK反馈信息的时间之间的时间间隔信息;所述接收模块还具体用于:接收所述第一设备根据所述HARQ定时信息发送的所述第一数据的ACK/NACK反馈信息。
- 根据权利要求25至31中任一项所述的装置,其特征在于,所述接收模块具体还用于:若所述第一设备正确解码所述第一数据包括的所有数据块,则所述装置接收所述第一设备发送的所述第一数据的确认ACK信息;若所述第一设备错误解码所述第一数据包括的至少一个数据块,则所述装置接收所述第一设备发送的所述第一数据的非确认NACK信息。
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- 2016-07-18 CN CN202110237247.5A patent/CN113067679A/zh active Pending
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CN112218373A (zh) * | 2019-07-12 | 2021-01-12 | 华为技术有限公司 | 一种通信方法和装置 |
Also Published As
Publication number | Publication date |
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TW201804745A (zh) | 2018-02-01 |
US11025396B2 (en) | 2021-06-01 |
JP6833875B2 (ja) | 2021-02-24 |
CN109075906B (zh) | 2021-05-04 |
EP3435575A4 (en) | 2019-03-27 |
KR20190028375A (ko) | 2019-03-18 |
TWI732000B (zh) | 2021-07-01 |
EP3435575A1 (en) | 2019-01-30 |
JP2019530260A (ja) | 2019-10-17 |
HK1258243A1 (zh) | 2019-11-08 |
CN113067679A (zh) | 2021-07-02 |
US20190140804A1 (en) | 2019-05-09 |
CN109075906A (zh) | 2018-12-21 |
EP3435575B1 (en) | 2022-12-14 |
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