WO2020051754A1 - 传输反馈信息、数据重传的方法和设备 - Google Patents
传输反馈信息、数据重传的方法和设备 Download PDFInfo
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- WO2020051754A1 WO2020051754A1 PCT/CN2018/104909 CN2018104909W WO2020051754A1 WO 2020051754 A1 WO2020051754 A1 WO 2020051754A1 CN 2018104909 W CN2018104909 W CN 2018104909W WO 2020051754 A1 WO2020051754 A1 WO 2020051754A1
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- terminal device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- 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
- H04L1/1861—Physical mapping arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
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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 signalling, 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
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/23—Manipulation of direct-mode connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
Definitions
- Embodiments of the present application relate to the field of communications technologies, and in particular, to a method and device for transmitting feedback information and data retransmission.
- the car-to-vehicle system is a sidelink (SL) transmission technology based on long-term evolution vehicle-to-vehicle (LTEV2V) technology.
- the communication data in the traditional LTE system is received or sent through the base station.
- the IoV system adopts the method of direct terminal-to-terminal communication. Therefore, it has higher spectrum efficiency and lower transmission delay.
- the data sent by the first terminal device can be directly sent to the second terminal device without going through the route of the network device.
- Data can be directly transmitted between the first terminal device and the second terminal device. How to ensure the reliability of data transmission in China has become an urgent problem.
- the embodiments of the present application provide a method and device for transmitting feedback information and data retransmission, which can improve the reliability of a communication system when a terminal device communicates in a D2D manner.
- a method for transmitting feedback information including: a first terminal device acquires a feedback resource according to a first instruction information, and the feedback resource is used to carry a first terminal device for a second terminal device; Feedback information of a message; the first terminal device sends feedback information to the second terminal device in a device-to-device D2D manner on the feedback resource.
- a method for transmitting feedback information including: a second terminal device sends a first message to a first terminal device in a device-to-device D2D manner; and the second terminal device sends the first terminal device to the first terminal device Sending first indication information, where the first indication information is used to indicate a feedback resource, where the first terminal device sends the feedback information for the first message to the second terminal device in a D2D manner Resources used.
- a method for transmitting feedback information including: a network device sends first instruction information to a first terminal device; or the network device sends second instruction information to a second terminal device, and the second The instruction information is used by the second terminal device to generate first instruction information and send the first instruction information to the first terminal device; wherein the first instruction information is used to indicate a feedback resource, and the feedback The resource is used to carry the feedback information for the first message sent by the second terminal device to the second terminal device by the first terminal device in a device-to-device D2D manner.
- a data retransmission method including: a second terminal device sends first data to a first terminal device in a device-to-device D2D manner; the second terminal device acquires retransmission resources; the The second terminal device retransmits the first data to the first terminal device in a D2D manner on the retransmission resource according to the feedback information of the first terminal device to the first data.
- a data retransmission method including: a first terminal device receives first data sent by a second terminal device through a device-to-device D2D method; The second terminal device sends feedback information for the first data; the first terminal device receives the retransmission of the first data sent by the second terminal device in a D2D manner.
- a method for data retransmission including: the network device sends instruction information to a second terminal device, the instruction information is used to indicate a retransmission resource, and the retransmission resource is used to carry the second
- the terminal device retransmits the first data to the first terminal device in a device-to-device D2D manner according to the feedback information of the first terminal device on the first data sent by the second terminal device.
- a terminal device for executing the methods in the first aspect, the second aspect, the fourth aspect, the fifth aspect, or implementations thereof.
- the terminal device includes a functional module for executing the method in the first aspect, the second aspect, the fourth aspect, the fifth aspect, or each implementation manner thereof.
- a network device is provided to execute the method in the third aspect, the sixth aspect, or each implementation manner thereof.
- the terminal device includes a functional module for executing the method in the third aspect, the sixth aspect, or each implementation manner thereof.
- a communication device for performing the methods in the first to sixth aspects described above.
- the communication device includes functional modules for performing the methods in the first to sixth aspects described above.
- a communication device including a processor and a memory.
- the memory is used to store a computer program
- the processor is used to call and run the computer program stored in the memory to execute the methods in the first aspect to the sixth aspect.
- a chip is provided for implementing the methods in the first to sixth aspects.
- the chip includes a processor for invoking and running a computer program from the memory, so that the device in which the chip is installed executes the methods as described in the first to sixth aspects.
- a computer-readable storage medium for storing a computer program that causes a computer to execute the methods in the first to sixth aspects.
- a computer program product including computer program instructions that cause a computer to execute the methods in the first to sixth aspects.
- a computer program that, when run on a computer, causes the computer to perform the methods in the first to sixth aspects described above.
- the first terminal device when the first terminal device and the second terminal device communicate in a D2D manner, the first terminal device can feedback to the second terminal device according to the first message sent by the second terminal device. This is conducive to the second terminal device making a reasonable communication decision based on the feedback, and is beneficial to improving the reliability of the communication.
- FIG. 1 is a schematic diagram of a vehicle networking communication mode provided by an embodiment of the present application.
- FIG. 2 is a schematic diagram of another vehicle networking communication mode provided by an embodiment of the present application.
- FIG. 3 is a schematic flowchart of a method for transmitting feedback information according to an embodiment of the present application.
- FIG. 4 is a schematic flowchart of another method for transmitting feedback information according to an embodiment of the present application.
- FIG. 5 is a schematic flowchart of another method for transmitting feedback information according to an embodiment of the present application.
- FIG. 6 is a schematic flowchart of a data retransmission method according to an embodiment of the present application.
- FIG. 7 is a schematic flowchart of another data retransmission method according to an embodiment of the present application.
- FIG. 8 is a schematic flowchart of another data retransmission method according to an embodiment of the present application.
- FIG. 9 is a schematic block diagram of a first terminal device according to an embodiment of the present application.
- FIG. 10 is a schematic block diagram of a second terminal device according to an embodiment of the present application.
- FIG. 11 is a schematic block diagram of a network device according to an embodiment of the present application.
- FIG. 12 is a schematic block diagram of another second terminal device according to an embodiment of the present application.
- FIG. 13 is a schematic block diagram of another first terminal device according to an embodiment of the present application.
- FIG. 14 is a schematic block diagram of another network device according to an embodiment of the present application.
- FIG. 15 is a schematic block diagram of a communication device according to an embodiment of the present application.
- FIG. 16 is a schematic block diagram of a chip according to an embodiment of the present application.
- FIG. 17 is a schematic block diagram of a communication system according to an embodiment of the present application.
- the embodiments of the present application can be applied to any terminal device-to-terminal device communication framework.
- V2V Vehicle-to-Vehicle
- V2X Vehicle-to-Everything
- D2D Device-to-Device
- the terminal in the embodiment of the present application may be any device or device configured with a physical layer and a media access control layer, and the terminal device may also be referred to as an access terminal.
- user equipment User Equipment
- UE user unit
- user station mobile station
- mobile station remote station
- remote terminal mobile device
- user terminal terminal
- wireless communication device user agent
- user device User Equipment
- Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (WLL) stations, personal digital linear processing (Personal Digital Assistant, PDA), wireless Communication-enabled handheld devices, computing devices, or other linear processing devices connected to a wireless modem, in-vehicle devices, wearable devices, and more.
- SIP Session Initiation Protocol
- WLL wireless local loop
- PDA Personal Digital Assistant
- the embodiment of the present application is described by taking a vehicle terminal as an example, but it is not limited thereto.
- the embodiments of the present application may be applicable to transmission mode 3 and transmission mode 4 defined in the 3rd Generation Partnership Project (3rd Generation Partnership Project (3GPP) Rel-14).
- 3rd Generation Partnership Project 3rd Generation Partnership Project
- FIG. 1 is a schematic diagram of a mode 3 according to an embodiment of the present application.
- FIG. 2 is a schematic diagram of a mode 4 according to an embodiment of the present application.
- the transmission resources of the vehicle-mounted terminals are allocated by the base station 110, and the vehicle-mounted terminal sends data on the side link according to the resources allocated by the base station 110.
- the base station 110 may allocate resources for a single transmission to the terminal, and may also allocate resources for the terminal to semi-static transmission.
- the in-vehicle terminals adopt a sensing and reservation transmission method, and the in-vehicle terminal independently selects the resources of the side link Transmission resources for data transmission.
- the in-vehicle terminal 131 is taken as an example for detailed description below.
- the vehicle-mounted terminal 131 obtains a set of available transmission resources by listening in a resource pool, and the vehicle-mounted terminal 131 randomly selects a resource from the set for data transmission.
- the in-vehicle terminal 131 may also adopt a semi-static transmission method. That is, after the vehicle-mounted terminal 131 takes a transmission resource, it continuously uses the resource in multiple transmission cycles to reduce the probability of resource reselection and resource conflict.
- the in-vehicle terminal 131 may carry information for reserving the next transmission resource in the control information transmitted this time, so that other terminals (for example, the in-vehicle terminal 132) can determine whether this resource is being Reserved and used by users to reduce resource conflicts.
- the first terminal device can directly send data to the second terminal device without routing of the network device.
- the D2D scenario how to ensure the reliability of data transmission has become an urgent problem.
- FIG. 3 is a schematic flowchart of a method for transmitting feedback information according to an embodiment of the present application, which can improve the reliability of data transmission.
- the method in FIG. 3 may be executed by a terminal.
- the first terminal device shown in FIG. 3 may be the vehicle-mounted terminal 121 shown in FIG. 1, and the second terminal device shown in FIG. 3 may be the vehicle-mounted terminal 122 shown in FIG. 1.
- the first terminal device shown in FIG. 3 may be the vehicle-mounted terminal 131 shown in FIG. 2, and the second terminal device shown in FIG. 3 may be the vehicle-mounted terminal 132 shown in FIG. 2.
- the method of FIG. 3 includes some or all of the following:
- the first terminal device obtains feedback resources, where the feedback resources are used to carry feedback information for the second terminal device.
- the feedback information may be feedback from the first terminal device on the first message sent by the second terminal device.
- the first message may be data information sent by the second terminal device to the first terminal device, or may be a reference signal or control information sent by the second terminal device to the first terminal device.
- the reference signal may be, for example, a channel state information reference signal (channel state information reference signal (CSI-RS).
- the data may be initial transmission data or retransmission data.
- the first terminal device sends feedback information to the second terminal device on the feedback resource.
- the feedback information sent by the first terminal device to the second terminal device means that the first terminal device directly sends the feedback information to the second terminal device without routing through the network device.
- the first terminal device directly sending the feedback information to the second terminal device may refer to the first terminal device sending the feedback information to the second terminal device in a D2D manner.
- communication through D2D can also be understood as the first terminal device sending feedback information to the second terminal device through V2V, or the first terminal device sending feedback to the second terminal device through the side link information.
- the first terminal device may feedback to the second terminal device according to the first message sent by the second terminal device. .
- This is conducive to the second terminal device making a reasonable communication decision based on the feedback, and is beneficial to improving the reliability of the communication.
- FIG. 4 is a schematic flowchart of another method for transmitting feedback information according to an embodiment of the present application.
- the method of FIG. 4 includes some or all of the following:
- the second terminal device sends a first message to the first terminal device.
- the second terminal device sending the first message to the first terminal device may refer to the second terminal device sending the first message to the first terminal device in a D2D manner.
- communication via D2D can also be understood as communication via V2V, or communication via side link.
- the second terminal device sends first instruction information to the first terminal device, where the first instruction information is used to indicate a feedback resource.
- the feedback resource is used to carry feedback information from the first terminal device to the second terminal device.
- the feedback resource may be a resource used by the first terminal device to send the feedback information for the first message to the second terminal device in a D2D manner.
- FIG. 5 is a schematic flowchart of another method for transmitting feedback information according to an embodiment of the present application.
- the method of FIG. 5 includes some or all of the following:
- the network device sends first instruction information to the first terminal device, where the first instruction information is used to indicate a feedback resource, and the feedback resource is used to carry the first terminal device to send the second terminal device in a D2D manner. Feedback information for the second terminal device.
- the feedback information may be feedback information that the first terminal device sends to the second terminal device for the first message sent by the second terminal device.
- communication via D2D can also be understood as communication via V2V, or communication via side link.
- FIG. 3, FIG. 4, and FIG. 5 are described in detail below.
- the feedback information may be, for example, at least one of the following information: acknowledgement (ACK), non-acknowledgement (NACK) and channel quality information, power control information, and multi-antenna scheme feedback information.
- ACK acknowledgement
- NACK non-acknowledgement
- channel quality information power control information
- power control information multi-antenna scheme feedback information.
- the ACK / NACK feedback may be feedback for data information sent by the second terminal device.
- the first terminal device may send feedback information to the second terminal device according to the receiving situation of the data.
- the channel quality information, power control information, and multi-antenna scheme feedback information may all be feedback information sent by the first terminal device to the second terminal device according to the reception status of the first message sent by the second terminal device.
- the channel quality information may refer to the channel quality information sent by the first terminal device to the second terminal device according to the reception quality of the first message.
- the power control information may mean that the first terminal device feeds back the power control information to the second terminal device according to the received power situation of the first message.
- the second terminal device may adjust the transmission rate of the signal according to the power control information.
- the multi-antenna scheme may be a multi-antenna scheme sent by the first terminal device to the second terminal device according to the reception situation of the first message.
- the multi-antenna solution may include, for example, whether a precoding matrix is required for coding, a precoding method is used, whether transmission diversity is used, and / or whether a spatial multiplexing technology is used.
- precoding methods such as codebook-based precoding and non-codebook-based precoding.
- SFBC space frequency block code
- FSTD frequency switch transmit diversity
- TSTD time switch transmit diversity
- the embodiment of the present application does not specifically limit the manner in which the first terminal device obtains the feedback resource.
- the first terminal device may obtain the feedback resource in a manner of autonomous resource selection.
- the first terminal device may obtain the feedback resource by using the indication information.
- the first terminal device acquiring feedback resources by means of autonomous resource selection may refer to the first terminal device acquiring feedback resources by means of resource competition. After the resource competition succeeds, the first terminal device uses the feedback resources after the competition succeeds to send feedback information.
- resource competition can be performed by using a listen before talk (LBT) method.
- LBT listen before talk
- the first terminal device may use the resource to send feedback information. After the first terminal device detects that a certain resource is occupied, the first terminal device cannot use the resource to send feedback information.
- resource competition may be performed in the manner of resource acquisition of the vehicle networking mode 4 of Rel-14 and Rel-15.
- the first terminal device may use the resource to send feedback information. After the first terminal device detects that a certain resource is occupied, the first terminal device cannot use the resource to send feedback information.
- the first terminal device acquiring the feedback resource may refer to the first terminal device acquiring the feedback resource according to the first instruction information.
- the first indication information may indicate a feedback resource, and the first terminal device may send feedback information on the feedback resource.
- the first indication information may indicate a feedback resource set, and the first terminal device may select a feedback resource from the feedback resource set to send the feedback information.
- the feedback resource may include time information and / or frequency information of the feedback resource.
- the following describes in detail a manner in which the first terminal device acquires a feedback resource according to the first instruction information.
- the first terminal device may receive first indication information sent by the second terminal device, where the indication information is used to indicate an available feedback resource.
- the first terminal device may determine a feedback resource according to the first instruction information.
- the second terminal device may receive the second instruction information sent by the network device, where the second instruction information is used to indicate available feedback resources.
- the second terminal device may generate the first instruction information according to the second instruction information, and send the first instruction information to the first terminal device.
- both the first indication information and the second indication information can be used to indicate a feedback resource set.
- the second indication information is used to indicate an available feedback resource set
- the first indication information is used to indicate one feedback resource in the available feedback resource set.
- the second terminal device may select one feedback resource from the feedback resource set indicated by the second instruction information to generate the first instruction information.
- the second instruction information sent by the network device to the second terminal device may be sent at the same time that the network device sends the third instruction information to the second terminal device.
- the third indication information is used to instruct the second terminal device to use a resource used for sending the first message to the first terminal device.
- the network device indicating the feedback resource to the second terminal device may be indicated in control information of the network device instructing the second terminal device to use the resource for sending the first message.
- the first terminal device may pre-configure the first indication information.
- the first terminal device may pre-configure the frequency and / or time resource position of the feedback resource or the set of feedback resources.
- the first terminal device may select a feedback resource from a pre-configured feedback resource or a set of feedback resources.
- the feedback resource is configured in advance by the first terminal device, and the first terminal device may send feedback information on the pre-configured feedback resource.
- the first terminal device may receive the first instruction information sent by the network device, and the first terminal device may obtain the feedback resource according to the first instruction information.
- the first indication information may be directly sent by the network device to the first terminal device, or may be sent by the network device to the first terminal device after the first terminal device sends the resource request message to the network device.
- the first terminal device may send a resource request message to the network device.
- the network device sends the first instruction information to the first terminal device in response to the resource request message.
- the resource request message may be used to request a feedback resource.
- the network device may send first indication information to the first terminal device to indicate the available feedback resources.
- the resource request message may include time information and / or frequency information of a resource requested by the first terminal device.
- the first indication information sent by the network device may be only an acknowledgement or non-acknowledgement message.
- the confirmation message indicates that the resource requested by the first terminal device can be used to send feedback information
- the non-confirmation message indicates that the resource requested by the first terminal device cannot be used to send feedback information.
- the first terminal device may resend the resource request message to the network device, or the network device may directly indicate the available feedback resources to the first terminal device.
- the resource request message may be carried in an uplink control channel (physical control link (PUCCH)), for example, it may be in an uplink control control information (UCI) signaling in the PUCCH, or may be carried in a medium access control (medium access control (MAC) control element (CE), or it can also be carried in radio resource control (radio resource control (RRC) signaling).
- PUCCH physical control link
- UCI uplink control information
- MAC medium access control
- CE medium access control element
- RRC radio resource control
- Both the first indication information and the second indication information may be used to indicate time information and / or frequency information of the feedback resource.
- the frequency information of the feedback resource may be a default frequency.
- the default frequency may be, for example, a frequency specified in a protocol, a frequency agreed between the first terminal device and the second terminal device, or a frequency at which the first terminal device receives the first message.
- the first terminal device may send feedback information at a time indicated by the first instruction information and a default frequency.
- the time information of the feedback resource may be a default time.
- the default time may be, for example, the Kth subframe after receiving the first message sent by the second terminal device from the first terminal device.
- the first terminal device may send feedback information at a frequency indicated by the first instruction information and a default time.
- K is a positive integer.
- the size of K may be a size agreed between the first terminal device and the second terminal device, or may be a size indicated by the second terminal device to the first terminal device.
- the second terminal device may send the feedback information of the first message on the (N + K) th subframe.
- N is a positive integer.
- K may be 4, for example.
- the first indication information may indicate the feedback resource in an implicit manner.
- the first terminal device may determine the time information and frequency information used to send the feedback information according to the time information and frequency information of the first message.
- the first terminal device may use the frequency of receiving the first message to send feedback information on the (N + 4) th subframe.
- the first indication information may indicate a start position of a time domain resource and a time resource length.
- the first terminal device may send feedback information on the time domain resource indicated by the first indication information.
- the first indication information may indicate a start position of a frequency domain resource and a length of the frequency domain resource.
- the first terminal device may send feedback information on a frequency domain resource indicated by the first instruction information.
- the feedback resource indicated by the first indication information may be based on the time and / or frequency of the second terminal device, or the feedback resource indicated by the first indication information may be based on the time and / or frequency of the network device Or the frequency is used as a reference, or the feedback resource indicated by the first indication information may be based on the time and / frequency of the global navigation satellite system (GNSS).
- GNSS global navigation satellite system
- the starting position of the time domain resource may be based on the time of the second terminal device as a time reference.
- the starting position of the time domain resource may be based on the time of the network device as a time reference.
- the starting position of the time domain resource may be based on the time of the GNSS.
- the start position of the frequency domain resource may be referenced to the frequency of the second terminal device.
- the starting position of the frequency domain resource may be referenced to the frequency of the network device.
- the starting position of the frequency domain resource may be referenced to the frequency of the GNSS.
- the first terminal device may also obtain the feedback resource in a manner of autonomous resource selection.
- the manner of autonomous resource selection may be, for example, a manner of resource competition.
- the first terminal device can use the feedback resource to send feedback information only after the resource competition is successful. That is, after acquiring the feedback resource according to the first instruction information, the first terminal device needs to further compete for the feedback resource, and only after the competition is successful can the feedback resource be used to send the feedback information.
- LBT can be used to compete for resources.
- the first terminal device may use the feedback resource to send feedback information. After the first terminal device detects that the feedback resource is occupied, the first terminal device cannot use the feedback resource to send feedback information.
- resource competition may be performed in the manner of resource acquisition of the vehicle networking mode 4 of Rel-14 and Rel-15.
- the first terminal device may use the resource to send feedback information. After the first terminal device detects that a certain resource is occupied, the first terminal device cannot use the resource to send feedback information.
- the second terminal device receiving the feedback information sent by the first terminal device may refer to that the second terminal device listens on each of the multiple feedback resources and listens to whether the first terminal device sends the second terminal device to the second terminal device. Feedback resources.
- the multiple feedback resources may refer to a set of feedback resources that can be used to send feedback information.
- the feedback information sent by the first terminal device to the second terminal device may be sent after receiving the trigger of the first message sent by the second terminal device, or may be periodically sent to the second terminal device. Send feedback.
- FIG. 6 is a schematic flowchart of a method for transmitting retransmitted data according to an embodiment of the present application.
- the method in FIG. 6 may be executed by a terminal device.
- the first terminal device shown in FIG. 6 may be the vehicle-mounted terminal 121 shown in FIG. 1, and the second terminal device shown in FIG. 6 may be the vehicle-mounted terminal 122 shown in FIG. 1.
- the first terminal device shown in FIG. 6 may be the vehicle-mounted terminal 131 shown in FIG. 2
- the second terminal device shown in FIG. 6 may be the vehicle-mounted terminal 132 shown in FIG. 2.
- the method of FIG. 6 includes some or all of the following:
- the second terminal device sends the first data to the first terminal device.
- the sending of the first data by the second terminal device to the first terminal device means that the second terminal device directly sends the first data to the first terminal device without routing through a network device.
- the second terminal device directly sending the first data to the first terminal device may refer to the second terminal device sending the first data to the first terminal device in a D2D manner.
- communication via D2D can be understood as communication via V2V, or communication via side link.
- the first data may be initial transmission data or retransmission data.
- the second terminal device obtains retransmission resources.
- the retransmission resource includes time information and / or frequency information of the retransmission resource.
- the second terminal device sends a retransmission for the first data to the first terminal device on the retransmission resource according to the feedback information of the first terminal device to the first data.
- the second terminal device sending the retransmission of the first data to the first terminal device may refer to the second terminal device sending the retransmission of the first data to the first terminal device in a D2D manner.
- communication through D2D can also be understood as communication through V2V, or communication through side link.
- the second terminal device when the first terminal device communicates with the second terminal device in a D2D manner, when the second terminal device retransmits data to the first terminal device, avoiding a retransmission solution with a fixed number of retransmissions, Instead, retransmission is performed based on the feedback of the first data by the first terminal device.
- This retransmission mode is beneficial for the second terminal device to make a reasonable retransmission scheme, ensure that the first terminal device can correctly receive the first data, and improve transmission reliability.
- FIG. 7 is another data retransmission method provided by an embodiment of the present application.
- the method in FIG. 7 includes part or all of the following content:
- the first terminal device receives the first data sent by the second terminal device in a device-to-device D2D manner.
- the first terminal device sends the feedback information for the first data to the second terminal device in a D2D manner.
- the first terminal device receives the retransmission of the first data sent by the second terminal device in a D2D manner.
- FIG. 8 is another data retransmission method provided by an embodiment of the present application.
- the method in FIG. 8 includes part or all of the following content:
- the network device sends instruction information to the second terminal device, where the instruction information is used to indicate retransmission resources, and the retransmission resources are used to carry the second terminal device to the second terminal device according to the first terminal device.
- the feedback information of the sent first data is retransmitted to the first terminal device in a device-to-device D2D manner for the first data.
- the feedback information may be at least one of ACK, NACK, and discontinuous transmission (DTX).
- FIG. 6, FIG. 7, and FIG. 8 are described in detail below.
- the second terminal device may determine whether to retransmit the first data to the first terminal device according to the feedback information of the first terminal device to the first data.
- the second terminal device may not need to send a retransmission for the first data to the first terminal device device, which can reduce the waste of resources.
- the second terminal device may send a retransmission of the first data to the first terminal device, which is beneficial to improving the reliability of communication.
- the second terminal device may further receive the NACK feedback information sent by the first terminal device, or the second terminal device The feedback information sent by the first terminal device is not received within the preset interval.
- the second terminal device When the feedback information received by the second terminal device is ACK, it indicates that the first terminal device successfully received the first data. At this time, the second terminal device may not need to retransmit the first data, and the first terminal device may not need to acquire retransmission resources.
- the second terminal device When the feedback information received by the second terminal device is NACK or DTX, it indicates that the first terminal device has not received the first data. At this time, the second terminal device needs to retransmit the first data to the first terminal device, and before retransmitting the first data, the second terminal device needs to acquire retransmission resources.
- the second terminal device may not receive the feedback information sent by the first terminal device within a preset time, and the second terminal device may send the first terminal on the retransmission resource The device retransmits the first data.
- retransmission resources may be acquired in a manner instructed by the network device.
- an autonomous resource selection method may also be used to obtain retransmission resources.
- the second terminal device acquires the retransmission resource in a manner instructed by the network device, which may mean that the second terminal device receives instruction information sent by the network device, and the second terminal device acquires the retransmission resource according to the instruction information.
- the network device indicates the retransmission resource.
- the network device directly instructs the retransmission resource, or after the second terminal device sends the resource request message to the network device, the network device instructs the second terminal device to retransmit the resource.
- the second terminal device may determine whether to send a resource request message to the network device according to the received feedback information sent by the first terminal device. For example, when the feedback information sent by the first terminal device is an ACK, the second terminal device may not need to send a voluntary request message to the network device to request retransmission resources. When the feedback information sent by the first terminal device is NACK, the second terminal device may send a resource request message to the network device to request retransmission of resources. When the second terminal device does not receive the feedback information sent by the first terminal device, the second terminal device may also send a resource request message to the network device to request retransmission of resources.
- the resource request message may include feedback information sent by the first terminal device to the second terminal device. That is, the second terminal device reports the feedback information sent by the first terminal device to the network device.
- the network device may instruct the second terminal device to retransmit the resource in response to the resource request message.
- the resource request message may include time information and / or frequency information of a resource requested by the second terminal device.
- the indication information sent by the network device may be only an acknowledgement or non-acknowledgement message.
- the acknowledgement message indicates that the resource requested by the second terminal device can be used for retransmission
- the non-acknowledgement message indicates that the resource requested by the second terminal device cannot be used for retransmission.
- the second terminal device may resend the resource request message to the network device, or the network device may directly indicate the available retransmission resources to the second terminal device.
- the resource used to send the resource request message may be a resource indicated by the network device.
- the network device may indicate to the second terminal device the resources used for transmitting the first data, while indicating to the second terminal device the resources used for transmitting the resource request message.
- the retransmission resource indicated by the network device is indicated by the network device in control information instructing the second terminal device to use the resource for sending the first data.
- the resource used by the second terminal device to send the resource request message is a PUCCH or a physical uplink shared channel (PUSCH).
- PUSCH physical uplink shared channel
- the resource request message may be carried in a scheduling request (SR) message in the PUCCH, or in an ACK / NACK message in the PUCCH, or in a MAC CE, or in RRC signaling.
- SR scheduling request
- the second terminal device may obtain retransmission resources through resource contention.
- LBT can be used to compete for resources.
- the first terminal device may use the feedback resource to send feedback information. After the first terminal device detects that the feedback resource is occupied, the first terminal device cannot use the feedback resource to send feedback information.
- resource competition may be performed in the manner of resource acquisition of the vehicle networking mode 4 of Rel-14 and Rel-15.
- the first terminal device may use the resource to send feedback information. After the first terminal device detects that a certain resource is occupied, the first terminal device cannot use the resource to send feedback information.
- the second terminal device after the second terminal device acquires the retransmission resource in a manner instructed by the network device, it can further determine that the retransmission resource can be used by way of resource competition. After the resource competition is successful, the retransmission resource is used for retransmission. If the resource competition is unsuccessful, the second terminal device cannot use the retransmission resource to send retransmission data.
- the manner in which the first terminal device obtains the feedback resource may refer to the above description. To avoid repetition, details are not described herein again.
- FIG. 9 is a schematic block diagram of a first terminal device according to an embodiment of the present application.
- the first terminal device 900 includes a processing unit 910 and a communication unit 920.
- the processing unit 910 is configured to acquire feedback resources according to the first instruction information, and the feedback resources are used to carry feedback information of the first message sent by the first terminal device to the second terminal device.
- the communication unit 920 is configured to send feedback information to the second terminal device in a device-to-device D2D manner on the feedback resource.
- the communication unit 920 is further configured to receive the first indication information sent by the second terminal device.
- processing unit 910 is further configured to pre-configure the first indication information.
- the communication unit 920 is further configured to receive the first indication information sent by the network device.
- the first indication information is used to indicate time information and / or frequency information of the feedback resource.
- the first indication information is used to indicate an available feedback resource set
- the processing unit 910 is further configured to select a feedback resource from the feedback resource set.
- the communication unit 920 is further configured to send a resource request message to the network device.
- the resource request message includes time information and / or frequency information of the feedback resource requested by the first terminal device.
- the resource request message is carried in an uplink control channel PUCCH, a medium access control element MAC CE, or radio resource control RRC signaling.
- the processing unit 910 is further configured to obtain a feedback resource in a manner of autonomous resource selection.
- the feedback resource uses the time and / or frequency of the second terminal device as a synchronization reference.
- the feedback resource uses the time and / or frequency of the network device as a synchronization reference.
- the feedback resource uses the time and / or frequency of the GNSS as a synchronization reference.
- the feedback information includes at least one of the following information: acknowledged ACK information, non-acknowledged NACK information, channel quality information, power control information, and a multi-antenna scheme.
- the first message includes data information, control information, or a reference signal sent by the second terminal device to the first terminal device.
- FIG. 10 is a schematic block diagram of a second terminal device according to an embodiment of the present application. As shown in FIG. 10, the second terminal device 1000 includes a communication unit 1010.
- the communication unit 1010 is configured to send a first message to the first terminal device in a device-to-device D2D manner.
- the communication unit 1010 is further configured to send first instruction information to a first terminal device, where the first instruction information is used to indicate a feedback resource, and the feedback resource is that the first terminal device sends the second terminal device to the second terminal in a D2D manner.
- the communication unit 1010 is further configured to receive second instruction information sent by a network device, where the second instruction information is used to indicate the feedback resource.
- the second terminal device further includes a processing unit, configured to generate the first instruction information according to the second instruction information.
- the first indication information is used to indicate time information and / or frequency information of the feedback resource.
- the feedback resource uses the time and / or frequency of the second terminal device as a synchronization reference.
- the feedback resource uses the time and / or frequency of the network device as a synchronization reference.
- the feedback resource uses the time and / or frequency of the GNSS as a synchronization reference.
- the feedback information includes at least one of the following information: acknowledged ACK information, non-acknowledged NACK information, channel quality information, power control information, and a multi-antenna scheme.
- the first message includes data information, control information, or a reference signal sent by the second terminal device to the first terminal device.
- FIG. 11 is a schematic block diagram of a network device according to an embodiment of the present application. As shown in FIG. 11, the network device 1100 includes a communication unit 1110.
- a communication unit 1110 is configured to send first instruction information to a first terminal device, where the first instruction information is used to indicate a feedback resource, and the feedback resource is used to carry the first terminal device to the first terminal device in a device-to-device D2D manner
- the second terminal device sends feedback information for a first message sent by the second terminal device.
- the communication unit 1110 is further configured to receive a resource request message sent by the first terminal device.
- the resource request message includes time information and / or frequency information of the feedback resource requested by the first terminal device.
- the resource request message is carried in PUCCH, MAC CE, or RRC signaling.
- the feedback resource uses the time and / or frequency of the second terminal device as a synchronization reference.
- the feedback resource uses the time and / or frequency of the network device as a synchronization reference.
- the feedback resource uses the time and / or frequency of the GNSS as a synchronization reference.
- the feedback information includes at least one of the following information: acknowledged ACK information, non-acknowledged NACK information, channel quality information, power control information, and a multi-antenna scheme.
- the first message includes data information, control information, or a reference signal sent by the second terminal device to the first terminal device.
- FIG. 12 is a schematic block diagram of a second terminal device according to an embodiment of the present application. As shown in FIG. 12, the second terminal device 1200 includes a communication unit 1210 and a processing unit 1220.
- the communication unit 1210 is configured to send the first data to the first terminal device in a device-to-device D2D manner.
- the processing unit 1220 is configured to obtain retransmission resources.
- the communication unit 1210 is further configured to perform, based on the feedback information of the first terminal device to the first data, a D2D manner on the retransmission resource to the first terminal device for the first data. Retransmission.
- the processing unit 1220 is specifically configured to obtain retransmission resources according to the instruction information sent by the network device.
- the communication unit 1210 is further configured to send a resource request message to the network device.
- the communication unit 1210 is specifically configured to send the resource request message to the network device according to the feedback information of the first terminal device to the first data.
- the resource request message includes feedback information of the first terminal device to the first data.
- the resource request message includes time information and / or frequency information of a retransmission resource requested by the second terminal device.
- the feedback information includes at least one of the following information: an acknowledgement ACK message, a non-acknowledgement NACK message, and discontinuous transmission of DTX.
- a resource used for sending the resource request message is a resource indicated by the network device.
- the resource indicated by the network device is indicated by the network device in control information instructing the second terminal device to use the resource for sending the first data.
- the resource used for sending the resource request message is a physical uplink control channel PUCCH or a physical uplink shared channel PUSCH.
- the resource request message is carried in a scheduling request SR message in the PUCCH, an ACK / NACK message in the PUCCH, a medium access control element MAC CE, or radio resource control RRC signaling.
- the resource request message is carried in a buffer status report BSR.
- the communication unit 1210 is further configured to: acquire the retransmission resource in a manner of autonomous resource selection.
- FIG. 13 is a schematic block diagram of a first terminal device according to an embodiment of the present application. As shown in FIG. 13, the first terminal device 1300 includes a communication unit 1310.
- the communication unit 1310 is configured to receive the first data sent by the second terminal device in a device-to-device D2D manner.
- the communication unit 1310 is further configured to send feedback information for the first data to the second terminal device in a D2D manner.
- the communication unit 1310 is further configured to receive a retransmission of the first data sent by the second terminal device in a D2D manner.
- the feedback information includes at least one of the following information: an acknowledgement ACK message, a non-acknowledgement NACK message, and discontinuous transmission of DTX.
- FIG. 14 is a schematic block diagram of a network device according to an embodiment of the present application. As shown in FIG. 14, the network device 1400 includes a communication unit 1410.
- a communication unit 1410 is configured to send instruction information to a second terminal device, where the instruction information is used to indicate a retransmission resource, and the retransmission resource is used to carry the second terminal device to the second terminal device according to the first terminal device.
- the feedback information of the first data sent by the terminal device retransmits the first data to the first terminal device in a device-to-device D2D manner.
- the communication unit 1410 is further configured to receive a resource request message sent by the second terminal device.
- the resource request message includes feedback information of the first terminal device to the first data.
- the resource request message includes time information and / or frequency information of a retransmission resource requested by the second terminal device.
- the feedback information includes at least one of the following information: an acknowledgement ACK message, a non-acknowledgement NACK message, and discontinuous transmission of DTX.
- the communication unit 1410 is further configured to send, to the second terminal device, indication information indicating a resource used by the resource request message.
- the resource used by the network device indication resource request message is indicated by the network device in control information that instructs the second terminal device to use the resource for sending the first data.
- the resource used for sending the resource request message is a physical uplink control channel PUCCH or a physical uplink shared channel PUSCH.
- the resource request message is carried in an SR message in the PUCCH, an ACK / NACK message in the PUCCH, MAC CE or RRC signaling.
- the resource request message is carried in a BSR.
- FIG. 15 is a schematic structural diagram of a communication device 1500 according to an embodiment of the present application.
- the communication device 1500 shown in FIG. 15 includes a processor 1510, and the processor 1510 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
- the communication device 1500 may further include a memory 1520.
- the processor 1510 may call and run a computer program from the memory 1520 to implement the method in the embodiment of the present application.
- the memory 1520 may be a separate device independent of the processor 1510, or may be integrated in the processor 1510.
- the communication device 1500 may further include a transceiver 1530, and the processor 1510 may control the transceiver 1530 to communicate with other devices, and specifically, may send information or data to other devices, or receive Information or data sent by the device.
- the processor 1510 may control the transceiver 1530 to communicate with other devices, and specifically, may send information or data to other devices, or receive Information or data sent by the device.
- the transceiver 1530 may include a transmitter and a receiver.
- the transceiver 1530 may further include antennas, and the number of antennas may be one or more.
- the communication device 1500 may specifically be a terminal device in the embodiment of the present application, and the communication device 1500 may implement a corresponding process implemented by the terminal device in each method in the embodiments of the present application. For brevity, details are not described herein again. .
- the communication device 1500 may specifically be a network device according to an embodiment of the present application, and the communication device 1500 may implement a corresponding process implemented by a network device in each method of the embodiments of the present application. For brevity, details are not described herein. .
- FIG. 16 is a schematic structural diagram of a chip according to an embodiment of the present application.
- the chip 1600 shown in FIG. 16 includes a processor 1610, and the processor 1610 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
- the chip 1600 may further include a memory 1620.
- the processor 1610 may call and run a computer program from the memory 1620 to implement the method in the embodiment of the present application.
- the memory 1620 may be a separate device independent of the processor 1610, or may be integrated in the processor 1610.
- the chip 1600 may further include an input interface 1630.
- the processor 1610 can control the input interface 1630 to communicate with other devices or chips. Specifically, the processor 1610 can obtain information or data sent by other devices or chips.
- the chip 1600 may further include an output interface 1640.
- the processor 1610 may control the output interface 1640 to communicate with other devices or chips. Specifically, the processor 1610 may output information or data to the other devices or chips.
- the chip may be applied to the terminal device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
- the chip may implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
- the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the chip mentioned in the embodiments of the present application may also be referred to as a system-level chip, a system chip, a chip system, or a system-on-chip.
- the processor in the embodiment of the present application may be an integrated circuit chip and has a signal processing capability.
- each step of the foregoing method embodiment may be completed by using an integrated logic circuit of hardware in a processor or an instruction in a form of software.
- the above processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA), or other Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
- DSP digital signal processor
- ASIC application specific integrated circuit
- FPGA off-the-shelf programmable gate array
- Various methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
- a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
- the steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware decoding processor, or may be performed by using a combination of hardware and software modules in the decoding processor.
- the software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like.
- the storage medium is located in a memory, and the processor reads the information in the memory and completes the steps of the foregoing method in combination with its hardware.
- the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), and an electronic memory. Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
- the volatile memory may be Random Access Memory (RAM), which is used as an external cache.
- RAM Static Random Access Memory
- DRAM Dynamic Random Access Memory
- Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
- SDRAM double data rate synchronous dynamic random access memory
- Double SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
- Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
- Synchronous DRAM Synchronous Dynamic Random Access Memory
- Enhanced SDRAM Enhanced SDRAM, ESDRAM
- synchronous connection dynamic random access memory Synchrobus RAM, SLDRAM
- Direct Rambus RAM Direct Rambus RAM
- the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (Double SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct RAMbus RAM, DR RAM) and so on. That is, the memories in the embodiments of the present application are intended to include, but not limited to, these and any other suitable types of memories.
- FIG. 17 is a schematic block diagram of a communication system 1700 according to an embodiment of the present application. As shown in FIG. 17, the communication system 1700 includes a terminal device 1710 and a network device 1720.
- the terminal device 1710 may be used to implement the corresponding functions implemented by the terminal device in the foregoing method. For brevity, details are not described herein again.
- the network device 1720 may be used to implement the corresponding functions implemented by the network device in the foregoing method. For brevity, details are not described herein again.
- An embodiment of the present application further provides a computer-readable storage medium for storing a computer program.
- the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method in the embodiment of the present application.
- the computer-readable storage medium can be applied to the terminal device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the terminal device in each method of the embodiments of the present application. For simplicity, here No longer.
- An embodiment of the present application further provides a computer program product, including computer program instructions.
- the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instruction causes the computer to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. More details.
- the computer program product can be applied to the terminal device in the embodiment of the present application, and the computer program instruction causes the computer to execute a corresponding process implemented by the terminal device in each method in the embodiment of the present application. More details.
- the embodiment of the present application also provides a computer program.
- the computer program may be applied to a network device in the embodiment of the present application.
- the computer program When the computer program is run on a computer, the computer is caused to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. , Will not repeat them here.
- the computer program may be applied to the terminal device in the embodiment of the present application.
- the computer program When the computer program is run on a computer, the computer is caused to execute a corresponding process implemented by the terminal device in each method in the embodiment of the present application. , Will not repeat them here.
- B corresponding to (corresponding to) A means that B is associated with A, and B can be determined according to A.
- determining B based on A does not mean determining B based on A alone, but also determining B based on A and / or other information.
- the disclosed systems, devices, and methods may be implemented in other ways.
- the device embodiments described above are only schematic.
- the division of the unit is only a logical function division.
- multiple units or components may be combined or may be combined. Integration into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
- 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, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective 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 of the units may exist separately physically, or two or more units may be integrated into one unit.
- the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of this application is essentially a part that contributes to the existing technology or a part of the technical solution can be embodied in the form of a software product.
- the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present application.
- the aforementioned storage media include: U disks, mobile hard disks, read-only memory (ROM), random access memory (RAM), magnetic disks or compact discs, and other media that can store program codes .
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Abstract
Description
Claims (146)
- 一种传输反馈信息的方法,其特征在于,包括:第一终端设备根据第一指示信息获取反馈资源,所述反馈资源用于承载所述第一终端设备针对第二终端设备发送的第一消息的反馈信息;所述第一终端设备在所述反馈资源上通过设备到设备D2D的方式向所述第二终端设备发送反馈信息。
- 根据权利要求1所述的方法,其特征在于,在所述第一终端设备根据第一指示信息获取反馈资源之前,所述方法还包括:所述第一终端设备接收所述第二终端设备发送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,在所述第一终端设备根据第一指示信息获取反馈资源之前,所述方法还包括:所述第一终端设备预配置所述第一指示信息。
- 根据权利要求1所述的方法,其特征在于,在所述第一终端设备根据第一指示信息获取反馈资源之前,所述方法还包括:所述第一终端设备接收网络设备发送的所述第一指示信息。
- 根据权利要求1-4中任一项所述的方法,其特征在于,所述第一指示信息用于指示所述反馈资源的时间信息和/或频率信息。
- 根据权利要求1-5中任一项所述的方法,其特征在于,所述第一指示信息用于指示可用的反馈资源集合,所述第一终端设备根据第一指示信息获取反馈资源,包括:所述第一终端设备从所述反馈资源集合中选择反馈资源。
- 根据权利要求4-6中任一项所述的方法,其特征在于,在所述第一终端设备接收网络设备发送的指示信息之前,所述方法还包括:所述第一终端设备向所述网络设备发送资源请求消息。
- 根据权利要求7所述的方法,其特征在于,所述资源请求消息中包括所述第一终端设备所请求的反馈资源的时间信息和/或频率信息。
- 根据权利要求7或8所述的方法,其特征在于,所述资源请求消息承载在上行控制信道PUCCH、介质访问控制控制元素MAC CE或无线资源控制RRC信令中。
- 根据权利要求1-9中任一项所述的方法,其特征在于,在所述第一终端设备在所述反馈资源上向所述第二终端设备发送反馈信息之前,所述方法还包括:所述第一终端设备通过自主资源选择的方式获取所述反馈资源。
- 根据权利要求1-10中任一项所述的方法,其特征在于,所述反馈资源是以所述第二终端设备的时间和/或频率作为同步参考。
- 根据权利要求1-10中任一项所述的方法,其特征在于,所述反馈资源是以所述网络设备的时间和/或频率作为同步参考。
- 根据权利要求1-10中任一项所述的方法,其特征在于,所述反馈资源是以全球定位系统GNSS的时间和/或频率作为同步参考。
- 根据权利要求1-13中任一项所述的方法,其特征在于,所述反馈信息包括以下信息中的至少一个:确认ACK信息、非确认NACK信息、信道质量信息、功率控制信息和多天线方案。
- 根据权利要求1-14中任一项所述的方法,其特征在于,所述第一消息包括所述第二终端设备向所述第一终端设备发送的数据信息、控制信息或参考信号。
- 一种传输反馈信息的方法,其特征在于,包括:第二终端设备通过设备到设备D2D的方式向第一终端设备发送第一消息;所述第二终端设备向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示反馈资源,所述反馈资源为所述第一终端设备通过D2D的方式向所述第二终端设备发送针对所述第一消息的反馈信息所使用的资源。
- 根据权利要求16所述的方法,其特征在于,在所述第二终端设备向第一终端设备发送第一指示信息之前,所述方法还包括:所述第二终端设备接收网络设备发送的第二指示信息,所述第二指示信息用于指示所述反馈资源;所述第二终端设备根据所述第二指示信息生成所述第一指示信息。
- 根据权利要求16或17所述的方法,其特征在于,所述第一指示信息用于指示所述反馈资源的时间信息和/或频率信息。
- 根据权利要求16-18中任一项所述的方法,其特征在于,所述反馈资源是以所述第二终端设备的时间和/或频率作为同步参考。
- 根据权利要求16-18中任一项所述的方法,其特征在于,所述反馈资源是以所述网络设备的时间和/或频率作为同步参考。
- 根据权利要求16-18中任一项所述的方法,其特征在于,所述反馈资源是以全球导航卫星系统GNSS的时间和/或频率作为同步参考。
- 根据权利要求16-21中任一项所述的方法,其特征在于,所述反馈信息包括以下信息中的至少一个:确认ACK信息、非确认NACK信息、信道质量信息、功率控制信息和多天线方案。
- 根据权利要求16-22中任一项所述的方法,其特征在于,所述第一消息包括所述第二终端设备向所述第一终端设备发送的数据信息、控制信息或参考信号。
- 一种传输反馈信息的方法,其特征在于,包括:网络设备向第一终端设备发送第一指示信息;或者,所述网络设备向第二终端设备发送第二指示信息,所述第二指示信息用于所述第二终端设备生成第一指示信息,并将所述第一指示信息发送给所述第一终端设备;其中,所述第一指示信息用于指示反馈资源,所述反馈资源用于承载所述第一终端设备通过设备到设备D2D的方式向第二终端设备发送针对所述第二终端设备发送的第一消息的反馈信息。
- 根据权利要求24所述的方法,其特征在于,所述第一指示信息用于指示所述反馈资源的时间信息和/或频率信息。
- 根据权利要求24或25所述的方法,其特征在于,在所述网络设备向第一终端设备发送第一指示信息之前,所述方法还包括:所述网络设备接收所述第一终端设备发送的资源请求消息。
- 根据权利要求26所述的方法,其特征在于,所述资源请求消息中包括所述第一终端设备所请求的反馈资源的时间信息和/或频率信息。
- 根据权利要求26或27所述的方法,其特征在于,所述资源请求消息承载在上行控制信道PUCCH、介质访问控制控制元素MAC CE或无线资源控制RRC信令中。
- 根据权利要求24-28中任一项所述的方法,其特征在于,所述反馈资源是以所述第二终端设备的时间和/或频率作为同步参考。
- 根据权利要求24-28中任一项所述的方法,其特征在于,所述反馈资源是以所述网络设备的时间和/或频率作为同步参考。
- 根据权利要求24-28中任一项所述的方法,其特征在于,所述反馈资源是以全球导航卫星系统GNSS的时间和/或频率作为同步参考。
- 根据权利要求24-31中任一项所述的方法,其特征在于,所述反馈信息包括以下信息中的至少一个:确认ACK信息、非确认NACK信息、信道质量信息、功率控制信息和多天线方案。
- 根据权利要求24-32中任一项所述的方法,其特征在于,所述第一消息包括所述第二终端设备向所述第一终端设备发送的数据信息、控制信息或参考信号。
- 一种数据重传的方法,其特征在于,包括:第二终端设备通过设备到设备D2D的方式向第一终端设备发送第一数据;所述第二终端设备获取重传资源;所述第二终端设备根据所述第一终端设备对所述第一数据的反馈信息,在所述重传资源上通过D2D的方式向所述第一终端设备进行针对所述第一数据的重传。
- 根据权利要求34所述的方法,其特征在于,所述第二终端设备获取重传资源,包括:所述第二终端设备根据网络设备发送的指示信息来获取重传资源。
- 根据权利要求35所述的方法,其特征在于,在所述第二终端设备根据网络设备发送的指示信息来获取重传资源之前,所述方法还包括:所述第二终端设备向所述网络设备发送资源请求消息。
- 根据权利要求36所述的方法,其特征在于,所述第二终端设备向所述网络设备发送资源请求消息,包括:所述第二终端设备根据所述第一终端设备对所述第一数据的反馈信息,向所述网络设备发送所述资源请求消息。
- 根据权利要求36或37所述的方法,其特征在于,所述资源请求消息中包括所述第一终端设备对所述第一数据的反馈信息。
- 根据权利要求36-38中任一项所述的方法,其特征在于,所述资源请求消息中包括所述第二 终端设备所请求的重传资源的时间信息和/或频率信息。
- 根据权利要求34-39中任一项所述的方法,其特征在于,所述反馈信息包括以下信息中的至少一种:确认ACK消息、非确认NACK消息、不连续传输DTX。
- 根据权利要求36-40中任一项所述的方法,其特征在于,发送所述资源请求消息所使用的资源为所述网络设备指示的资源。
- 根据权利要求41所述的方法,其特征在于,所述网络设备指示的资源是所述网络设备在指示所述第二终端设备发送所述第一数据使用的资源的控制信息中进行指示的。
- 根据权利要求36-42中任一项所述的方法,其特征在于,发送所述资源请求消息所使用的资源为物理上行控制信道PUCCH或物理上行共享信道PUSCH。
- 根据权利要求36-43中任一项所述的方法,其特征在于,所述资源请求消息承载在PUCCH中的调度请求SR消息、PUCCH中的ACK/NACK消息、介质访问控制控制元素MAC CE或无线资源控制RRC信令中。
- 根据权利要求36-44中任一项所述的方法,其特征在于,所述资源请求消息承载在缓存状态报告BSR中。
- 根据权利要求34-45中任一项所述的方法,其特征在于,所述第二终端设备在所述重传资源上通过D2D的方式向所述第一终端设备重传所述第一数据之前,所述方法还包括:所述第二终端设备通过自主资源选择的方式获取所述重传资源。
- 一种数据重传的方法,其特征在于,包括:第一终端设备通过设备到设备D2D的方式接收第二终端设备发送的第一数据;所述第一终端设备通过D2D的方式向所述第二终端设备发送针对所述第一数据的反馈信息;所述第一终端设备通过D2D的方式接收所述第二终端设备发送的针对所述第一数据的重传。
- 根据权利要求47所述的方法,其特征在于,所述反馈信息包括以下信息中的至少一种:确认ACK消息、非确认NACK消息、不连续传输DTX。
- 一种数据重传的方法,其特征在于,包括:网络设备向第二终端设备发送指示信息,所述指示信息用于指示重传资源,所述重传资源用于承载所述第二终端设备根据第一终端设备对所述第二终端设备发送的第一数据的反馈信息,通过设备到设备D2D的方式向第一终端设备进行针对所述第一数据的重传。
- 根据权利要求49所述的方法,其特征在于,在所述网络设备向第二终端设备发送指示信息之前,所述方法还包括:所述网络设备接收所述第二终端设备发送的资源请求消息。
- 根据权利要求50所述的方法,其特征在于,所述资源请求消息中包括所述第一终端设备对所述第一数据的反馈信息。
- 根据权利要求50或51所述的方法,其特征在于,所述资源请求消息中包括所述第二终端设备所请求的重传资源的时间信息和/或频率信息。
- 根据权利要求49-52中任一项所述的方法,其特征在于,所述反馈信息包括以下信息中的至少一种:确认ACK消息、非确认NACK消息、不连续传输DTX。
- 根据权利要求49-53中任一项所述的方法,其特征在于,所述方法还包括:所述网络设备向所述第二终端设备发送指示资源请求消息所使用的资源的指示信息。
- 根据权利要求54所述的方法,其特征在于,所述网络设备指示资源请求消息所使用的资源是所述网络设备在指示所述第二终端设备发送所述第一数据使用的资源的控制信息中进行指示的。
- 根据权利要求50-55中任一项所述的方法,其特征在于,发送所述资源请求消息所使用的资源为物理上行控制信道PUCCH或物理上行共享信道PUSCH。
- 根据权利要求50-56中任一项所述的方法,其特征在于,所述资源请求消息承载在PUCCH中的调度请求SR消息、PUCCH中的ACK/NACK消息、介质访问控制控制元素MAC CE或无线资源控制RRC信令中。
- 根据权利要求50-57中任一项所述的方法,其特征在于,所述资源请求消息承载在缓存状态报告BSR中。
- 一种第一终端设备,其特征在于,包括:处理单元,用于根据第一指示信息获取反馈资源,所述反馈资源用于承载所述第一终端设备针对第二终端设备发送的第一消息的反馈信息;通信单元,用于在所述反馈资源上通过设备到设备D2D的方式向所述第二终端设备发送反馈信息。
- 根据权利要求59所述的第一终端设备,其特征在于,所述通信单元还用于:接收所述第二终端设备发送的所述第一指示信息。
- 根据权利要求59所述的第一终端设备,其特征在于,所述处理单元还用于:预配置所述第一指示信息。
- 根据权利要求59所述的第一终端设备,其特征在于,所述通信单元还用于:接收网络设备发送的所述第一指示信息。
- 根据权利要求59-62中任一项所述的第一终端设备,其特征在于,所述第一指示信息用于指示所述反馈资源的时间信息和/或频率信息。
- 根据权利要求59-63中任一项所述的第一终端设备,其特征在于,所述第一指示信息用于指示可用的反馈资源集合,所述处理单元还用于:从所述反馈资源集合中选择反馈资源。
- 根据权利要求62-64中任一项所述的第一终端设备,其特征在于,所述通信单元还用于:向所述网络设备发送资源请求消息。
- 根据权利要求65所述的第一终端设备,其特征在于,所述资源请求消息中包括所述第一终端设备所请求的反馈资源的时间信息和/或频率信息。
- 根据权利要求65或66所述的第一终端设备,其特征在于,所述资源请求消息承载在上行控制信道PUCCH、介质访问控制控制元素MAC CE或无线资源控制RRC信令中。
- 根据权利要求59-67中任一项所述的第一终端设备,其特征在于,所述处理单元还用于:通过自主资源选择的方式获取所述反馈资源。
- 根据权利要求59-68中任一项所述的第一终端设备,其特征在于,所述反馈资源是以所述第二终端设备的时间和/或频率作为同步参考。
- 根据权利要求59-68中任一项所述的第一终端设备,其特征在于,所述反馈资源是以所述网络设备的时间和/或频率作为同步参考。
- 根据权利要求59-68中任一项所述的方法,其特征在于,所述反馈资源是以全球导航卫星系统GNSS的时间和/或频率作为同步参考。
- 根据权利要求59-71中任一项所述的第一终端设备,其特征在于,所述反馈信息包括以下信息中的至少一个:确认ACK信息、非确认NACK信息、信道质量信息、功率控制信息和多天线方案。
- 根据权利要求59-72中任一项所述的第一终端设备,其特征在于,所述第一消息包括所述第二终端设备向所述第一终端设备发送的数据信息、控制信息或参考信号。
- 一种第二终端设备,其特征在于,包括:通信单元,用于通过设备到设备D2D的方式向第一终端设备发送第一消息;所述通信单元,还用于向所述第一终端设备发送第一指示信息,所述第一指示信息用于指示反馈资源,所述反馈资源为所述第一终端设备通过D2D的方式向所述第二终端设备发送针对所述第一消息的反馈信息所使用的资源。
- 根据权利要求74所述的第二终端设备,其特征在于,所述通信单元还用于:接收网络设备发送的第二指示信息,所述第二指示信息用于指示所述反馈资源;所述第二终端设备还包括处理单元,用于根据所述第二指示信息生成所述第一指示信息。
- 根据权利要求74或75所述的第二终端设备,其特征在于,所述第一指示信息用于指示所述反馈资源的时间信息和/或频率信息。
- 根据权利要求74-76中任一项所述的第二终端设备,其特征在于,所述反馈资源是以所述第二终端设备的时间和/或频率作为同步参考。
- 根据权利要求74-76中任一项所述的第二终端设备,其特征在于,所述反馈资源是以所述网络设备的时间和/或频率作为同步参考。
- 根据权利要求74-76中任一项所述的方法,其特征在于,所述反馈资源是以全球导航卫星系统GNSS的时间和/或频率作为同步参考。
- 根据权利要求74-79中任一项所述的第二终端设备,其特征在于,所述反馈信息包括以下信息中的至少一个:确认ACK信息、非确认NACK信息、信道质量信息、功率控制信息和多天线方案。
- 根据权利要求74-80中任一项所述的第二终端设备,其特征在于,所述第一消息包括所述第二终端设备向所述第一终端设备发送的数据信息、控制信息或参考信号。
- 一种网络设备,其特征在于,包括:通信单元,用于向第一终端设备发送第一指示信息;或者,向第二终端设备发送第二指示信息,所述第二指示信息用于所述第二终端设备生成第一指示信息,并将所述第一指示信息发送给所述第一终端设备;其中,所述第一指示信息用于指示反馈资源,所述反馈资源用于承载所述第一终端设备通过设备到设备D2D的方式向第二终端设备发送针对所述第二终端设备发送的第一消息的反馈信息。
- 根据权利要求82所述的网络设备,其特征在于,所述第一指示信息用于指示所述反馈资源的时间信息和/或频率信息。
- 根据权利要求82或83所述的网络设备,其特征在于,所述通信单元还用于:接收所述第一终端设备发送的资源请求消息。
- 根据权利要求84所述的网络设备,其特征在于,所述资源请求消息中包括所述第一终端设备所请求的反馈资源的时间信息和/或频率信息。
- 根据权利要求84或85所述的网络设备,其特征在于,所述资源请求消息承载在上行控制信道PUCCH、介质访问控制控制元素MAC CE或无线资源控制RRC信令中。
- 根据权利要求82-86中任一项所述的网络设备,其特征在于,所述反馈资源是以所述第二终端设备的时间和/或频率作为同步参考。
- 根据权利要求82-86中任一项所述的网络设备,其特征在于,所述反馈资源是以所述网络设备的时间和/或频率作为同步参考。
- 根据权利要求82-86中任一项所述的方法,其特征在于,所述反馈资源是以全球导航卫星系统GNSS的时间和/或频率作为同步参考。
- 根据权利要求82-89中任一项所述的网络设备,其特征在于,所述反馈信息包括以下信息中的至少一个:确认ACK信息、非确认NACK信息、信道质量信息、功率控制信息和多天线方案。
- 根据权利要求82-90中任一项所述的网络设备,其特征在于,所述第一消息包括所述第二终端设备向所述第一终端设备发送的数据信息、控制信息或参考信号。
- 一种第二终端设备,其特征在于,包括:通信单元,用于通过设备到设备D2D的方式向第一终端设备发送第一数据;处理单元,用于获取重传资源;所述通信单元,还用于根据所述第一终端设备对所述第一数据的反馈信息,在所述重传资源上通过D2D的方式向所述第一终端设备进行针对所述第一数据的重传。
- 根据权利要求92所述的第二终端设备,其特征在于,所述处理单元具体用于:根据网络设备发送的指示信息来获取重传资源。
- 根据权利要求93所述的第二终端设备,其特征在于,所述通信单元还用于:向所述网络设备发送资源请求消息。
- 根据权利要求94所述的第二终端设备,其特征在于,所述通信单元具体用于:根据所述第一终端设备对所述第一数据的反馈信息,向所述网络设备发送所述资源请求消息。
- 根据权利要求94或95所述的第二终端设备,其特征在于,所述资源请求消息中包括所述第一终端设备对所述第一数据的反馈信息。
- 根据权利要求94-96中任一项所述的第二终端设备,其特征在于,所述资源请求消息中包括所述第二终端设备所请求的重传资源的时间信息和/或频率信息。
- 根据权利要求92-97中任一项所述的第二终端设备,其特征在于,所述反馈信息包括以下信息中的至少一种:确认ACK消息、非确认NACK消息、不连续传输DTX。
- 根据权利要求94-98中任一项所述的第二终端设备,其特征在于,发送所述资源请求消息所使用的资源为所述网络设备指示的资源。
- 根据权利要求99所述的第二终端设备,其特征在于,所述网络设备指示的资源是所述网络设备在指示所述第二终端设备发送所述第一数据使用的资源的控制信息中进行指示的。
- 根据权利要求94-100中任一项所述的方法,其特征在于,发送所述资源请求消息所使用的资源为物理上行控制信道PUCCH或物理上行共享信道PUSCH。
- 根据权利要求94-101中任一项所述的第二终端设备,其特征在于,所述资源请求消息承载在PUCCH中的调度请求SR消息、PUCCH中的ACK/NACK消息、介质访问控制控制元素MAC CE或无线资源控制RRC信令中。
- 根据权利要求94-102中任一项所述的第二终端设备,其特征在于,所述资源请求消息承载在缓存状态报告BSR中。
- 根据权利要求92-103中任一项所述的第二终端设备,其特征在于,所述通信单元还用于:通过自主资源选择的方式获取所述重传资源。
- 一种第一终端设备,其特征在于,包括:通信单元,用于通过设备到设备D2D的方式接收第二终端设备发送的第一数据;所述通信单元,还用于通过D2D的方式向所述第二终端设备发送针对所述第一数据的反馈信息;所述通信单元,还用于通过D2D的方式接收所述第二终端设备发送的针对所述第一数据的重传。
- 根据权利要求105所述的第一终端设备,其特征在于,所述反馈信息包括以下信息中的至少一种:确认ACK消息、非确认NACK消息、不连续传输DTX。
- 一种网络设备,其特征在于,包括:通信单元,用于向第二终端设备发送指示信息,所述指示信息用于指示重传资源,所述重传资源用于承载所述第二终端设备根据第一终端设备对所述第二终端设备发送的第一数据的反馈信息,通过设备到设备D2D的方式向第一终端设备进行针对所述第一数据的重传。
- 根据权利要求107所述的网络设备,其特征在于,所述通信单元还用于:接收所述第二终端设备发送的资源请求消息。
- 根据权利要求108所述的网络设备,其特征在于,所述资源请求消息中包括所述第一终端设备对所述第一数据的反馈信息。
- 根据权利要求108或109所述的网络设备,其特征在于,所述资源请求消息中包括所述第二终端设备所请求的重传资源的时间信息和/或频率信息。
- 根据权利要求107-110中任一项所述的网络设备,其特征在于,所述反馈信息包括以下信息中的至少一种:确认ACK消息、非确认NACK消息、不连续传输DTX。
- 根据权利要求109-111中任一项所述的网络设备,其特征在于,所述通信单元还用于:向所述第二终端设备发送指示资源请求消息所使用的资源的指示信息。
- 根据权利要求112所述的网络设备,其特征在于,所述网络设备指示资源请求消息所使用的资源是所述网络设备在指示所述第二终端设备发送所述第一数据使用的资源的控制信息中进行指示的。
- 根据权利要求108-113中任一项所述的网络设备,其特征在于,发送所述资源请求消息所使用的资源为物理上行控制信道PUCCH或物理上行共享信道PUSCH。
- 根据权利要求108-114中任一项所述的网络设备,其特征在于,所述资源请求消息承载在PUCCH中的调度请求SR消息、PUCCH中的ACK/NACK消息、介质访问控制控制元素MAC CE或无线资源控制RRC信令中。
- 根据权利要求108-115中任一项所述的网络设备,其特征在于,所述资源请求消息承载在缓存状态报告BSR中。
- 一种终端设备,其特征在于,包括:处理器和存储器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至15中任一项所述的方法。
- 一种终端设备,其特征在于,包括:处理器和存储器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求16至23中任一项所述的方法。
- 一种网络设备,其特征在于,包括:处理器和存储器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求24至33所述的方法。
- 一种终端设备,其特征在于,包括:处理器和存储器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求34至46中任一项所述的方法。
- 一种终端设备,其特征在于,包括:处理器和存储器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求47至48中任一项所述的方法。
- 一种网络设备,其特征在于,包括:处理器和存储器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求49至58所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至15中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求16至23中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装 有所述芯片的设备执行如权利要求24至33所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求34至46中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求47至48中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求49至58所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至15中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求16至23中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求24至33所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求34至46中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求47至48中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求49至58所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至15中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求16至23中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求24至33所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求34至46中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求47至48中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求49至58所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1至15中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求16至23中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求24至33所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求34至46中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求47至48中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求49至58所述的方法。
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| JP2024516949A (ja) * | 2021-04-15 | 2024-04-18 | 維沃移動通信有限公司 | サイドリンクフィードバックリソースの決定方法、端末及びネットワーク側機器 |
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| CN115734256A (zh) * | 2021-08-30 | 2023-03-03 | 华为技术有限公司 | 通信的方法及装置 |
| US12335171B2 (en) * | 2021-09-23 | 2025-06-17 | Apple Inc. | Low latency orthogonal frequency division multiple access transmission scheme |
| CN120785491A (zh) * | 2024-04-03 | 2025-10-14 | 华为技术有限公司 | 一种通信方法及装置 |
| CN119324767B (zh) * | 2024-09-12 | 2026-04-17 | 中国移动通信有限公司研究院 | 一种信息传输方法、装置、通信设备和存储介质 |
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| CN112118078B (zh) * | 2014-11-14 | 2024-02-27 | 株式会社Ntt都科摩 | 终端、通信系统以及反馈方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022141524A1 (zh) * | 2020-12-31 | 2022-07-07 | 北京小米移动软件有限公司 | Harq反馈信息的发送方法、装置及通信设备 |
| JP2024516949A (ja) * | 2021-04-15 | 2024-04-18 | 維沃移動通信有限公司 | サイドリンクフィードバックリソースの決定方法、端末及びネットワーク側機器 |
| JP7779928B2 (ja) | 2021-04-15 | 2025-12-03 | 維沃移動通信有限公司 | サイドリンクフィードバックリソースの決定方法、端末及びネットワーク側機器 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112385288A (zh) | 2021-02-19 |
| EP3833130A1 (en) | 2021-06-09 |
| KR20210057736A (ko) | 2021-05-21 |
| US11943064B2 (en) | 2024-03-26 |
| JP2022502889A (ja) | 2022-01-11 |
| EP3833130B1 (en) | 2023-06-28 |
| CN113099411A (zh) | 2021-07-09 |
| EP3833130A4 (en) | 2021-11-24 |
| AU2018441217A1 (en) | 2021-04-01 |
| US20210218510A1 (en) | 2021-07-15 |
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