CN107733574A - A kind of feedback method and device of device-to-device communication - Google Patents

A kind of feedback method and device of device-to-device communication Download PDF

Info

Publication number
CN107733574A
CN107733574A CN201610657007.XA CN201610657007A CN107733574A CN 107733574 A CN107733574 A CN 107733574A CN 201610657007 A CN201610657007 A CN 201610657007A CN 107733574 A CN107733574 A CN 107733574A
Authority
CN
China
Prior art keywords
feedback
communication
resource
transmitting terminal
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201610657007.XA
Other languages
Chinese (zh)
Inventor
王淑坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xinwei Telecom Technology Inc
Original Assignee
Beijing Xinwei Telecom Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xinwei Telecom Technology Inc filed Critical Beijing Xinwei Telecom Technology Inc
Priority to CN201610657007.XA priority Critical patent/CN107733574A/en
Publication of CN107733574A publication Critical patent/CN107733574A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/1607Details of the supervisory signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/1607Details of the supervisory signal
    • H04L1/1657Implicit acknowledgement of correct or incorrect reception, e.g. with a moving window
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

The invention discloses the feedback method and device of a kind of device-to-device communication, this method includes:When the target data that the transmitting terminal for receiving device-to-device communication is sent, feedback information is determined according to the reception condition of target data;Feedback information is sent to the transmitting terminal of device-to-device communication.The receiving terminal of D2D of embodiment of the present invention communications can determine feedback information when receiving the target data of transmitting terminal transmission according to the reception condition of target data, and the feedback information is fed back into transmitting terminal, and then realize the feedback of target data reception condition.The reception condition of the D2D target datas to communicate can not be fed back to transmitting terminal by receiving terminal in the prior art, cause data transmission credibility and quality of server low.The feedback information for the target data that the receiving terminal of D2D of embodiment of the present invention communications can send transmitting terminal feeds back to transmitting terminal, enable transmitting terminal to adjust data transmission content according to feedback information, improve the reliability and service quality of data transfer in D2D communications.

Description

A kind of feedback method and device of device-to-device communication
Technical field
The present embodiments relate to wireless mobile telecommunication technology, more particularly to a kind of feedback method of device-to-device communication And device.
Background technology
With the development of wireless mobile telecommunication technology, people propose higher and higher to high-speed, low latency, low cost It is required that.IMT-Advanced (International Mobile Telecommunications-Advanced, IMT-A) System allows holding equipment to be communicated to equipment (Device-to-Device, D2D) to improve frequency spectrum profit under community cellular network With rate, communicated for convenience of referred to as D2D after description.Device-to-device (Device-to-Device, D2D) communication is that one kind is being Under the control of system, it is allowed to the new technique directly to be communicated by reuse pattern resource between terminal.
When D2D communicates at present, after transmitting terminal transmits data to receiving terminal, give tacit consent to the data and be successfully sent to receiving terminal. However, if receiving terminal receives data failure, receiving terminal can not inform transmitting terminal, cause the reliability of data transfer it is low, clothes Quality of being engaged in (Quality of Service, QoS) is low.
The content of the invention
The present invention provides a kind of feedback method and device of device-to-device communication, is connect with realizing in D2D transmitting terminals and D2D The reliability and service quality of data transfer between receiving end.
In a first aspect, the embodiments of the invention provide a kind of feedback method of device-to-device communication, including:
When the target data that the transmitting terminal for receiving device-to-device communication is sent, according to the reception of the target data Situation determines feedback information;
The feedback information is sent to the transmitting terminal of device-to-device communication.
Second aspect, the embodiment of the present invention additionally provide a kind of feedback device of device-to-device communication, including:
Feedback information determining unit, for when receive device-to-device communication transmitting terminal send target data when, Feedback information is determined according to the reception condition of the target data;
Transmitting element, the feedback information for the feedback information determining unit to be determined send to the equipment to The transmitting terminal of equipment communication.
The receiving terminal of D2D of embodiment of the present invention communications can be when receiving the target data of transmitting terminal transmission, according to mesh The reception condition of mark data determines feedback information, and the feedback information is fed back into transmitting terminal, and then realizes that target data receives The feedback of situation.The reception condition of the D2D target datas to communicate can not be fed back to transmitting terminal by receiving terminal in the prior art, be caused Data transmission credibility and quality of server are low.The mesh that the receiving terminal of D2D of embodiment of the present invention communications can send transmitting terminal The feedback information of mark data feeds back to transmitting terminal so that transmitting terminal can adjust data transmission content according to feedback information, improve The reliability and service quality of data transfer in D2D communications.
Brief description of the drawings
Fig. 1 is the flow chart of the feedback method for the D2D communications that the embodiment of the present invention one provides;
Fig. 2 is the flow chart of the feedback method for first D2D communications that the embodiment of the present invention two provides;
Fig. 3 is the flow chart of the feedback method for second D2D communications that the embodiment of the present invention two provides;
Fig. 4 is the flow chart of the feedback method for the 3rd D2D communications that the embodiment of the present invention two provides;
Fig. 5 is the flow chart of the feedback method for the 4th D2D communications that the embodiment of the present invention two provides;
Fig. 6 is the flow chart of the feedback method for first D2D communications that the embodiment of the present invention three provides;
Fig. 7 is the flow chart of the feedback method for second D2D communications that the embodiment of the present invention three provides;
Fig. 8 is the structural representation of the feedback device for first D2D communications that the embodiment of the present invention four provides;
Fig. 9 is the structural representation of the feedback device for second D2D communications that the embodiment of the present invention four provides;
Figure 10 is the structural representation of the feedback device for the 3rd D2D communications that the embodiment of the present invention four provides.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to just Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
Embodiment one
The flow chart of the feedback method for the device-to-device D2D communications that Fig. 1 provides for the embodiment of the present invention one, the present embodiment The situation that transmitting terminal in device-to-device D2D communications sends target data to receiving terminal is applicable to, this method can be led to by D2D Receiving terminal in letter performs, and specifically comprises the following steps:
Step S110, when the target data that the transmitting terminal for receiving device-to-device communication is sent, according to target data Reception condition determine feedback information.
D2D receiving terminals and D2D transmitting terminals can be communicated by PC5 interfaces.If target data receives successfully, feed back Message is confirmation character (Acknowledgement, ACK).If target data reception failure, feedback information is negative acknowledge character (Negative ACKnowledgment, NACK).
Step S120, feedback information is sent to the transmitting terminal of device-to-device communication.
Feedback information is sent to by transmitting terminal by D2D communication channels.Transmitting terminal according to send packet quantity and The quantity of the feedback information received determines whether there is the situation that target data sends failure, is then weighed if there is failure is sent Pass corresponding data bag.Exemplary, transmitting terminal sends 100 packets to receiving terminal, and the ACK that receiving terminal is sent to transmitting terminal Only 98, then transmitting terminal determination has 2 packets to send failure, and transmitting terminal can retransmit to 100 packets, until connecing The ACK quantity of receiving end feedback reaches 100.
Exemplary, transmitting terminal sends 100 packets to receiving terminal, and receiving terminal is sent out to transmitting terminal at the appointed time 3 NACK are sent, then transmitting terminal determines there are 3 packets to send failure, and transmitting terminal can retransmit to 100 packets, directly NACK is not fed back at the appointed time to receiving terminal.Wherein, it is specified that the time, which is more than 2 single-pass datas, sends time, or regulation Time be at the time of transmitting terminal has sent last packet from, more than the time of 2 single-pass datas.Such as single-pass data hair It is 30 seconds to send the time, then the set time be at the time of transmitting terminal has sent last packet from 1 minute (or 2 minutes or 10 minutes).
Optionally, step S120 can also be implemented by subordinate's mode:In Physical Shared Channel (Physical Sidelink shared channel PSSCH) in feedback information is sent by medium education control unit MAC CE To the transmitting terminal of device-to-device communication.Or in physical control channel (Physical sidelink control Channel, PSCCH) in feedback information is sent out by spatial domain channel information (Spatial Channel Information, SCI) Deliver to the transmitting terminal of device-to-device communication.
In the present embodiment, the receiving terminal of D2D communications can be when receiving the target data of transmitting terminal transmission, according to target The reception condition of data determines feedback information, and the feedback information is fed back into transmitting terminal, and then realizes that target data receives feelings The feedback of condition.The reception condition of the D2D target datas to communicate can not be fed back to transmitting terminal by receiving terminal in the prior art, cause to count It is low according to transmission reliability and quality of server.The target data that the receiving terminal of the present embodiment D2D communications can send transmitting terminal Feedback information feed back to transmitting terminal so that transmitting terminal can according to feedback information adjust data transmission content, improve D2D communication The reliability and service quality of middle data transfer.
Embodiment two
Fig. 2 is the flow chart of the feedback method for the D2D communications that the embodiment of the present invention two provides, as entering to embodiment one One step illustrates that this method also includes:
Step S130, the identification information of target data is obtained.
Receiving terminal can obtain the identification information of target data when receiving target data.Identification information can be target Source address, destination address, resource pool mark (pool identity) and resource index (the Time Resource of data Pattern, TRP index).
Specifically, obtain the source address of target data, destination address, resource pool mark and resource index.
Wherein, the source address of target data identifies (identity, ID) for the layer 2 (layer 2) of transmitting terminal (Source), That is Source layer 2ID;Destination address for receiving terminal (destination) layer 2 (layer 2) mark (identity, ID), i.e. destination layer 2ID.It is corresponding that resource pool is identified as resource pool used in transmitting terminal transmission target data Resource pool mark.Resource index is that transmitting terminal sends resource rope corresponding to the resource used during target data in resource pool Draw.
Receiving terminal is after message corresponding to target data is received, and by being parsed to the heading of message, can obtain The source address and destination address of target data.The resource pool mark and money used when understanding by PC5 interfaces and receive target data Source indexes.
Further, the length of resource index bitmap corresponding to the target data is obtained.Due to the D2D communication resources The difference of 6,7 and 8 in bitmap selections be present, therefore receiving terminal can answer the resource UI that receive target data Bitmap length is sent to transmitting terminal, so as to transmitting terminal according to the bitmap length further accurately determine corresponding to target Data, improve retransmission efficiency.
Accordingly, step S120, the feedback information is sent to the transmitting terminal of device-to-device communication, can passed through Subordinate's mode is implemented:
Step S120 ', feedback information and identification information are sent to the transmitting terminal that device-to-device communicates.
When source address, destination address, resource pool mark and the resource index that identification information is target data, step S120 ' can be embodied as, and the source address of the target data, destination address, resource pool mark and resource index are sent to described The transmitting terminal of device-to-device communication.
Transmitting terminal can not obtain the transmission of the packet sent in which specific resource and make a mistake in embodiment one, although It can realize that repeatability is higher in the data for retransmitting but retransmitting.Transmitting terminal can be according to the mark of target data in the present embodiment Information, which reduces, retransmits object range, and then the probability that the target data for reducing Successful transmissions is retransmitted, and improves retransmission efficiency.
Further, as shown in figure 3, step S120 ' can also be implemented by subordinate's mode:Step S120a, in physics Pass through medium education control unit MAC in shared channel (Physical sidelink shared channel PSSCH) CE sends identification information and feedback information to the transmitting terminal of device-to-device communication.
Or as shown in figure 4, step S120 ' can also be implemented by subordinate's mode:Step S120b, in physical control Pass through spatial domain channel information (Spatial in channel (Physical sidelink control channel, PSCCH) Channel Information, SCI) identification information and feedback information are sent to the transmitting terminal of device-to-device communication.
Feedback information and identification information feedback can be saved signaling consumption, improve money to transmitting terminal using existing signaling Source utilization rate.
Further, can as shown in figure 5, step S110, according to the reception condition of the target data determining feedback information Implemented by subordinate's mode:
Step S110 ', according to corresponding to target data transmission block (Transport Block, TB) quantity, it is determined that feedback The digit of information.
Each corresponding feedback information of transmission block, feedback information 1bit, is ACK if 1, is NACK if 0. Exemplary, if target data passes through a transport block transmission, feedback information 1bit.If target data passes through two Transport block transmission, then feedback information 2bit.
Feedback information is determined for each transmission block, can more accurately feed back the data receiver knot of each transmission block Fruit, improve the accuracy of feedback information.
Embodiment three
Fig. 6 is the flow chart of the feedback method for the device-to-device communication that the embodiment of the present invention three provides, as to above-mentioned The further explanation of embodiment, step S120, feedback information is sent to the transmitting terminal of device-to-device communication, can be by following Mode is implemented:
Step S121, feedback communication resource is determined from free communication resources.
Free communication resources can be untapped communication channel resources, or, it will determine from the communication breath used to middle Justice is defined as the wealthy communication resource of model for the idle communication resource.
Further, as shown in fig. 7, step S121 can be implemented by following manner:
Step S201, by value in resource index bitmap corresponding to physical control channel PSCCH be 0 at least one son Frame is as the object feedback communication resource.
Data are sent to receiving terminal in the subframe that transmitting terminal value in resource index bitmap is 1, in the son that value is 0 Data are not sent in frame.By bitmap receiving terminals, value is in 0 subframe in bitmap in the present embodiment, sends feedback letter Breath.
Step S202, obtain target data corresponding to first resource pond, using the communication resource corresponding to first resource pond as Feedback resources pond.
Due to identical bitmap, corresponding resource pool is different in different resource pond, it is thus necessary to determine that receiving terminal sends feedback letter Cease the feedback resources pond used.Assuming that receiving terminal receives target data by first resource pond, then first resource pond is determined For feedback resources pond.
Step S203, the second round adjacent with the period 1 for receiving target data is defined as feedback time.
Optionally, period 1 and second round are the clock cycle.Exemplary, it is assumed that received in clock cycle A Target data, then in clock cycle A+1, send feedback information.
Step S204, according to default feedback subframe selection function and Physical Resource Block PRB index selection functions are fed back, from Destinations traffic subframe, and target physical corresponding to destinations traffic subframe are determined in the anti-communication resource of target in feedback resources pond Resource block (Physical Resource Block, PRB).
Default feedback subframe selection function and feedback PRB index selections function can according to source address, destination address, Resource pool mark, resource index, preset loop displacement and RB sums, value is to determine target in 0 subframe from bitmap Communicate subframe.
Exemplary, destinations traffic subframe can be calculated by following formula:
The calculation formula of default feedback subframe selection function for:Resource pool ID (pool identity) mod feedback subframes are total Number.
Feedback Physical Resource Block PRB index selection functions calculation formula be:(source address (Source layer 2ID)+ Destination address (destination layer 2ID)+resource pool mark (pool identity)+resource index (RTP index) + n (cyclic shift)) mod radio bearers (Radio Bearer, RB) sum.Wherein, mod is modulo operation, cyclic shift digit N, it can be provided in SCI by transmitting terminal.Optionally, n 5bit.
Accordingly, feedback information step S121, is sent by the transmission to be communicated to device-to-device by feedback communication resource End, can be embodied as:
When reaching feedback time, feedback information is sent by the hair to be communicated to device-to-device by target physical resource block Sending end.
Step S122, feedback information is sent by the transmitting terminal to be communicated to device-to-device by feedback communication resource.
The present embodiment can utilize the idling-resource that value is 0 in bitmap, and the feedback information of target data is fed back to Transmitting terminal, improve resource utilization.
Further, after step s 204, in addition to:
Code division multiplexing is carried out to feedback information by schedule information middle finger cyclic shift.
The feedback information of multiple target datas can be fed back in a subframe by code division multiplexing, further improves resource profit With rate.
Further, in addition to:Feedback information is scrambled using source address and/or destination address.
Can be to be scrambled by the feedback information of code division multiplexing, also can be to the feedback information that is handled without code division multiplexing Scrambled.
The stability and security of feedback information can be improved by scrambling.
Example IV
A kind of structural representation of the feedback device for device-to-device communication that Fig. 8 provides for the embodiment of the present invention four, institute The receiving terminal that device is located at D2D communications is stated, including:
Feedback information determining unit 11, for the target data sent when the transmitting terminal for receiving device-to-device communication When, feedback information is determined according to the reception condition of the target data;
Transmitting element 12, the feedback information for the feedback information determining unit 11 to be determined, which is sent to described, to be set The standby transmitting terminal for arriving equipment communication.
Further, as shown in figure 9, also including:
Identification information obtaining unit 13, for obtaining the identification information of the target data;
Accordingly, the transmitting element 12 is additionally operable to, the feedback letter that the feedback information determining unit 11 is determined The identification information that breath and the identification information obtaining unit 13 obtain is sent to the transmitting terminal of the device-to-device communication.
Further, the identification information obtaining unit 13 is additionally operable to, and obtains source address, the destination of the target data Location, resource pool mark and resource index;
Accordingly, the transmitting element 12 also includes:By the source address of the target data, destination address, resource pool mark Know and resource index is sent to the transmitting terminal that the device-to-device communicates.
Further, the identification information obtaining unit 13 is additionally operable to:
Obtain the length of resource index bitmap corresponding to the target data.
Further, the transmitting element 12 is additionally operable to:
In Physical Shared Channel PSSCH by medium education control unit MAC CE by the identification information and Feedback information is sent to the transmitting terminal of device-to-device communication;Or
The identification information and feedback information are sent out by spatial domain channel information SCI in physical control channel PSCCH Deliver to the transmitting terminal of the device-to-device communication.
Further, the feedback information determining unit 11 is additionally operable to, according to transmission block TB corresponding to the target data Quantity, determine the digit of feedback information.
Further, as shown in Figure 10, the transmitting element 12 includes:
Feedback resources determination subelement 1201, for determining feedback communication resource from free communication resources;
Transmission sub-unit 1202, for the feedback communication money determined by the feedback resources determination subelement 1201 Source sends the feedback information to the transmitting terminal of device-to-device communication.
Further, the feedback resources determination subelement 1201 is specifically used for:
Using at least one subframe that value in resource index bitmap corresponding to physical control channel PSCCH is 0 as mesh Mark feedback communication resource;
First resource pond corresponding to target data is obtained, is provided the communication resource corresponding to the first resource pond as feedback Source pond;
The second round adjacent with the period 1 for receiving the target data is defined as feedback time;
According to default feedback subframe selection function and feedback PRB index selection functions, the institute from the feedback resources pond State determination destinations traffic subframe in the anti-communication resource of target, and target physical resource block corresponding to the destinations traffic subframe PRB;
Accordingly, the transmission sub-unit 1202 is additionally operable to, and when reaching the feedback time, passes through the target physical Resource block sends the feedback information to the transmitting terminal of device-to-device communication.
Further, the transmitting element 12 also includes code division multiplexing subelement 1203,
The code division multiplexing subelement 1203 is used for, and the feedback information is entered by schedule information middle finger cyclic shift Row code division multiplexing.
Further, in addition to scrambling unit 14, for being entered using source address and/or destination address to the feedback information Row scrambling.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes, Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.

Claims (20)

  1. A kind of 1. feedback method of device-to-device D2D communications, it is characterised in that including:
    When the target data that the transmitting terminal for receiving device-to-device communication is sent, according to the reception condition of the target data Determine feedback information;
    The feedback information is sent to the transmitting terminal of device-to-device communication.
  2. 2. the feedback method of device-to-device communication according to claim 1, it is characterised in that also include:
    Obtain the identification information of the target data;
    Accordingly, it is described to send the feedback information to the transmitting terminal of device-to-device communication, including:
    The feedback information and the identification information are sent to the transmitting terminal of the device-to-device communication.
  3. 3. the feedback method of device-to-device communication according to claim 2, it is characterised in that described to obtain the target The identification information of data, including:
    Obtain source address, destination address, resource pool mark and the resource index of the target data;
    Accordingly, methods described also includes:
    The source address of the target data, destination address, resource pool mark and resource index are sent to the device-to-device The transmitting terminal of communication.
  4. 4. the feedback method of device-to-device communication according to claim 3, it is characterised in that described to obtain the target The identification information of data, in addition to:
    Obtain the length of resource index bitmap corresponding to the target data.
  5. 5. the feedback method of device-to-device communication according to claim 2, it is characterised in that described to believe the mark Breath and the identification information are sent to the transmitting terminal of the device-to-device communication, including:
    By medium education control unit MAC CE by the identification information and feedback in Physical Shared Channel PSSCH Information is sent to the transmitting terminal of device-to-device communication;Or
    In physical control channel PSCCH by spatial domain channel information SCI by the identification information and feedback information send to The transmitting terminal of the device-to-device communication.
  6. 6. the feedback method of device-to-device communication according to claim 1, it is characterised in that described according to the target The reception condition of data determines feedback information, including:
    According to the quantity of transmission block TB corresponding to the target data, the digit of feedback information is determined.
  7. 7. the feedback method of device-to-device communication according to any one of claim 1 to 6, it is characterised in that described The feedback information is sent to the transmitting terminal of device-to-device communication, including:
    Feedback communication resource is determined from free communication resources;
    The feedback information is sent by the transmitting terminal to be communicated to the device-to-device by the feedback communication resource.
  8. 8. the feedback method of device-to-device communication according to claim 7, it is characterised in that described to be provided from spare communication Feedback communication resource is determined in source, including:
    At least one subframe that value in resource index bitmap corresponding to physical control channel PSCCH is 0 is anti-as target Present the communication resource;
    First resource pond corresponding to target data is obtained, using the communication resource corresponding to the first resource pond as feedback resources Pond;
    The second round adjacent with the period 1 for receiving the target data is defined as feedback time;
    According to default feedback subframe selection function and feedback Physical Resource Block PRB index selection functions, from the feedback resources Destinations traffic subframe, and target physical corresponding to the destinations traffic subframe are determined in the anti-communication resource of the target in pond Resource block PRB;
    Accordingly, it is described that the feedback information is sent by the hair to be communicated to the device-to-device by the feedback communication resource Sending end, including:
    When reaching the feedback time, by the target physical resource block by the feedback information send to the equipment to The transmitting terminal of equipment communication.
  9. 9. the feedback method of device-to-device communication according to claim 8, it is characterised in that according to default feedback Frame selects function and feedback Physical Resource Block PRB index selection functions, leads to from the target in the feedback resources pond is counter Believe after determining destinations traffic subframe, and target physical resource block PRB corresponding to the destinations traffic subframe in resource, also wrap Include:
    Code division multiplexing is carried out to the feedback information by schedule information middle finger cyclic shift.
  10. 10. the feedback method of device-to-device communication according to claim 7, it is characterised in that also include:Using source Location and/or destination address scramble to the feedback information.
  11. A kind of 11. feedback device of device-to-device communication, it is characterised in that including:
    Feedback information determining unit, for when receive device-to-device communication transmitting terminal send target data when, according to The reception condition of the target data determines feedback information;
    Transmitting element, the feedback information for the feedback information determining unit to be determined are sent to the device-to-device The transmitting terminal of communication.
  12. 12. the feedback device of device-to-device communication according to claim 11, it is characterised in that also include:
    Identification information obtaining unit, for obtaining the identification information of the target data;
    Accordingly, the transmitting element is additionally operable to, the feedback information and described that the feedback information determining unit is determined The identification information that identification information obtaining unit obtains is sent to the transmitting terminal of the device-to-device communication.
  13. 13. the feedback device of device-to-device communication according to claim 12, it is characterised in that the identification information obtains Take unit to be additionally operable to, obtain source address, destination address, resource pool mark and the resource index of the target data;
    Accordingly, the transmitting element also includes:By the source address of the target data, destination address, resource pool mark and money Source index is sent to the transmitting terminal of the device-to-device communication.
  14. 14. the feedback device of device-to-device communication according to claim 13, it is characterised in that the identification information obtains Unit is taken to be additionally operable to:
    Obtain the length of resource index bitmap corresponding to the target data.
  15. 15. the feedback device of device-to-device communication according to claim 12, it is characterised in that the transmitting element is also For:
    By medium education control unit MAC CE by the identification information and feedback in Physical Shared Channel PSSCH Information is sent to the transmitting terminal of device-to-device communication;Or
    In physical control channel PSCCH by spatial domain channel information SCI by the identification information and feedback information send to The transmitting terminal of the device-to-device communication.
  16. 16. the feedback device of device-to-device communication according to claim 11, it is characterised in that the feedback information is true Order member is additionally operable to, and according to the quantity of transmission block TB corresponding to the target data, determines the digit of feedback information.
  17. 17. the feedback device of the device-to-device communication according to any one of claim 11 to 16, it is characterised in that institute Stating transmitting element includes:
    Feedback resources determination subelement, for determining feedback communication resource from free communication resources;
    Transmission sub-unit, for by the feedback communication resource that the feedback resources determination subelement determines by the feedback Information is sent to the transmitting terminal of device-to-device communication.
  18. 18. the feedback device of device-to-device communication according to claim 17, it is characterised in that the feedback resources are true Stator unit is specifically used for:
    At least one subframe that value in resource index bitmap corresponding to physical control channel PSCCH is 0 is anti-as target Present the communication resource;
    First resource pond corresponding to target data is obtained, using the communication resource corresponding to the first resource pond as feedback resources Pond;
    The second round adjacent with the period 1 for receiving the target data is defined as feedback time;
    According to default feedback subframe selection function and feedback Physical Resource Block PRB index selection functions, from the feedback resources Destinations traffic subframe, and target physical corresponding to the destinations traffic subframe are determined in the anti-communication resource of the target in pond Resource block PRB;
    Accordingly, the transmission sub-unit is additionally operable to, will by the target physical resource block when reaching the feedback time The feedback information is sent to the transmitting terminal of device-to-device communication.
  19. 19. the feedback device of device-to-device communication according to claim 18, it is characterised in that the transmitting element is also Including code division multiplexing subelement,
    The code division multiplexing subelement is used for, and carrying out code division to the feedback information by schedule information middle finger cyclic shift answers With.
  20. 20. the feedback device of device-to-device communication according to claim 17, it is characterised in that it is single also to include scrambling Member, for being scrambled using source address and/or destination address to the feedback information.
CN201610657007.XA 2016-08-11 2016-08-11 A kind of feedback method and device of device-to-device communication Withdrawn CN107733574A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610657007.XA CN107733574A (en) 2016-08-11 2016-08-11 A kind of feedback method and device of device-to-device communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610657007.XA CN107733574A (en) 2016-08-11 2016-08-11 A kind of feedback method and device of device-to-device communication

Publications (1)

Publication Number Publication Date
CN107733574A true CN107733574A (en) 2018-02-23

Family

ID=61200467

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610657007.XA Withdrawn CN107733574A (en) 2016-08-11 2016-08-11 A kind of feedback method and device of device-to-device communication

Country Status (1)

Country Link
CN (1) CN107733574A (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019196690A1 (en) * 2018-04-13 2019-10-17 维沃移动通信有限公司 Sidelink transmission method and terminal
CN110492977A (en) * 2018-05-15 2019-11-22 电信科学技术研究院有限公司 Information feed back and determines the received method of information, equipment by feeding back
WO2019233261A1 (en) * 2018-06-08 2019-12-12 华为技术有限公司 Response information sending and receiving method, communication device, and network device
WO2020029558A1 (en) * 2018-08-10 2020-02-13 Oppo广东移动通信有限公司 Method for feeding back information, terminal, chip, and storage medium
WO2020088112A1 (en) * 2018-10-31 2020-05-07 展讯通信(上海)有限公司 V2x transmission feedback method and apparatus, and user equipment
WO2020088313A1 (en) * 2018-11-02 2020-05-07 电信科学技术研究院有限公司 Resource indication method and communication device
CN111148062A (en) * 2018-11-02 2020-05-12 电信科学技术研究院有限公司 Resource allocation method, device and network equipment
CN111262663A (en) * 2019-04-30 2020-06-09 维沃移动通信有限公司 Feedback message sending method and terminal equipment
WO2020133507A1 (en) * 2018-12-29 2020-07-02 北京小米移动软件有限公司 Communication feedback method and device, user equipment, and storage medium
CN111726147A (en) * 2019-03-21 2020-09-29 华硕电脑股份有限公司 Method and apparatus for handling device-to-device feedback transmission in a wireless communication system
WO2021073032A1 (en) * 2019-10-18 2021-04-22 Oppo广东移动通信有限公司 Sidelink feedback method, device, and storage medium
CN112788562A (en) * 2019-11-08 2021-05-11 大唐移动通信设备有限公司 Information feedback and retransmission method and terminal
CN113517971A (en) * 2019-02-01 2021-10-19 Oppo广东移动通信有限公司 Resource pool configuration method, equipment and storage medium
WO2022022593A1 (en) * 2020-07-29 2022-02-03 维沃移动通信有限公司 Sidelink feedback resource configuration, device, and equipment
RU2810319C1 (en) * 2019-10-18 2023-12-26 Гуандун Оппо Мобайл Телекоммьюникейшнз Корп., Лтд. Method, device and information medium for feedback during direct connection

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130106613A1 (en) * 2011-10-26 2013-05-02 Samsung Electronics Co., Ltd. System and method for transmitting messages related to operations of electronic devices
CN103178942A (en) * 2011-12-21 2013-06-26 华为技术有限公司 Signaling transport method, base station and user equipment
CN103368706A (en) * 2012-03-26 2013-10-23 中兴通讯股份有限公司 Transmission method, device and system for hybrid automatic repeat request
CN104486049A (en) * 2014-12-30 2015-04-01 宇龙计算机通信科技(深圳)有限公司 Data receiving state feedback method, data retransmission method and device and terminal
CN105991247A (en) * 2015-02-16 2016-10-05 中兴通讯股份有限公司 Device-to-device sending method, receiving method, scheduling method and corresponding devices

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130106613A1 (en) * 2011-10-26 2013-05-02 Samsung Electronics Co., Ltd. System and method for transmitting messages related to operations of electronic devices
CN103178942A (en) * 2011-12-21 2013-06-26 华为技术有限公司 Signaling transport method, base station and user equipment
CN103368706A (en) * 2012-03-26 2013-10-23 中兴通讯股份有限公司 Transmission method, device and system for hybrid automatic repeat request
CN104486049A (en) * 2014-12-30 2015-04-01 宇龙计算机通信科技(深圳)有限公司 Data receiving state feedback method, data retransmission method and device and terminal
CN105991247A (en) * 2015-02-16 2016-10-05 中兴通讯股份有限公司 Device-to-device sending method, receiving method, scheduling method and corresponding devices

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11825451B2 (en) 2018-04-13 2023-11-21 Vivo Mobile Communication Co., Ltd. Sidelink transmission method and terminal
WO2019196690A1 (en) * 2018-04-13 2019-10-17 维沃移动通信有限公司 Sidelink transmission method and terminal
US11477761B2 (en) 2018-04-13 2022-10-18 Vivo Mobile Communication Co., Ltd. Sidelink transmission method and terminal
CN110492977A (en) * 2018-05-15 2019-11-22 电信科学技术研究院有限公司 Information feed back and determines the received method of information, equipment by feeding back
WO2019233261A1 (en) * 2018-06-08 2019-12-12 华为技术有限公司 Response information sending and receiving method, communication device, and network device
US11496994B2 (en) 2018-06-08 2022-11-08 Huawei Technologies Co., Ltd. Acknowledgement information sending method, acknowledgement information receiving method, communications device, and network device
CN112438029A (en) * 2018-08-10 2021-03-02 Oppo广东移动通信有限公司 Method, terminal, chip and storage medium for feeding back information
WO2020029558A1 (en) * 2018-08-10 2020-02-13 Oppo广东移动通信有限公司 Method for feeding back information, terminal, chip, and storage medium
CN112438029B (en) * 2018-08-10 2023-05-26 Oppo广东移动通信有限公司 Method, terminal, chip and storage medium for feeding back information
WO2020088112A1 (en) * 2018-10-31 2020-05-07 展讯通信(上海)有限公司 V2x transmission feedback method and apparatus, and user equipment
CN111148062A (en) * 2018-11-02 2020-05-12 电信科学技术研究院有限公司 Resource allocation method, device and network equipment
CN111148062B (en) * 2018-11-02 2022-04-01 大唐移动通信设备有限公司 Resource allocation method, device and network equipment
WO2020088313A1 (en) * 2018-11-02 2020-05-07 电信科学技术研究院有限公司 Resource indication method and communication device
WO2020133507A1 (en) * 2018-12-29 2020-07-02 北京小米移动软件有限公司 Communication feedback method and device, user equipment, and storage medium
EP3902350A4 (en) * 2019-02-01 2022-01-12 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Resource pool configuration method, device, and storage medium
CN113517971A (en) * 2019-02-01 2021-10-19 Oppo广东移动通信有限公司 Resource pool configuration method, equipment and storage medium
CN113517971B (en) * 2019-02-01 2023-06-09 Oppo广东移动通信有限公司 Resource pool configuration method, equipment and storage medium
CN111726147B (en) * 2019-03-21 2022-03-22 华硕电脑股份有限公司 Method and apparatus for handling device-to-device feedback transmission in a wireless communication system
CN111726147A (en) * 2019-03-21 2020-09-29 华硕电脑股份有限公司 Method and apparatus for handling device-to-device feedback transmission in a wireless communication system
CN111262663A (en) * 2019-04-30 2020-06-09 维沃移动通信有限公司 Feedback message sending method and terminal equipment
EP4017182A4 (en) * 2019-10-18 2022-10-19 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Sidelink feedback method, device, and storage medium
WO2021073032A1 (en) * 2019-10-18 2021-04-22 Oppo广东移动通信有限公司 Sidelink feedback method, device, and storage medium
RU2810319C1 (en) * 2019-10-18 2023-12-26 Гуандун Оппо Мобайл Телекоммьюникейшнз Корп., Лтд. Method, device and information medium for feedback during direct connection
CN112788562A (en) * 2019-11-08 2021-05-11 大唐移动通信设备有限公司 Information feedback and retransmission method and terminal
WO2022022593A1 (en) * 2020-07-29 2022-02-03 维沃移动通信有限公司 Sidelink feedback resource configuration, device, and equipment

Similar Documents

Publication Publication Date Title
CN107733574A (en) A kind of feedback method and device of device-to-device communication
US11595991B2 (en) Method for indicating the allocated resources for a HARQ message in a random access procedure for a low-complexity, narrowband terminal
CN108347313A (en) Feedback method and user equipment
CN106411475B (en) A kind of feedback transmission method and device
CN102067500B (en) New data indicator for persistently allocated packets in a communication system
CN107995605A (en) A kind of mobile communication system and terminal direct connection unicast sending control method
CN111818649B (en) Data transmission device and method in direct communication
US20190342839A1 (en) Uplink Channel Power Allocation Method and Apparatus
CN104160726A (en) System and method for allocating network resources
US20220303059A1 (en) Method and device for reservation of sidelink resource in communication system
RU2701523C1 (en) System and method of providing synchronization in transmissions in a mode without connection
CN102892084A (en) Method and device for processing trunking services, base station and user equipment (UE)
CN108307519A (en) Method for message transmission, equipment and system
EP3244562B1 (en) User equipment and transmission method for acknowledgement information
EP2164188A1 (en) A method and an equipment for transmitting data in the relay station and the base station
CN104735720A (en) Machine class communication service information transmission method, base station, terminals and system
CN107613526A (en) Communication means, communicator, access point and the website of WLAN
CN102468945B (en) Transmission method and equipment for acknowledgement (ACK) or negative acknowledgement (NACK) feedback information
CN110268662B (en) Transmission method, device and storage medium for hybrid automatic repeat request feedback
WO2020119813A1 (en) Fault determination method and device
CN102148673A (en) Downlink acknowledgement/unacknowledgement information processing method and system
CN105992187A (en) D2D unicast communication method
WO2016172818A1 (en) Response message transmission method and network device
US20220330209A1 (en) Data transmission method, apparatus, and system
CN109474392A (en) Data transmission method, mode indicating means, mode determining method, device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20180223

WW01 Invention patent application withdrawn after publication