CN105991247A - Device-to-device sending method, receiving method, scheduling method and corresponding devices - Google Patents

Device-to-device sending method, receiving method, scheduling method and corresponding devices Download PDF

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Publication number
CN105991247A
CN105991247A CN201510085284.3A CN201510085284A CN105991247A CN 105991247 A CN105991247 A CN 105991247A CN 201510085284 A CN201510085284 A CN 201510085284A CN 105991247 A CN105991247 A CN 105991247A
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China
Prior art keywords
subframe
packet
feedback
transmission
interval
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CN201510085284.3A
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Chinese (zh)
Inventor
吴栓栓
戴博
陈琳
郁光辉
贺海港
黄莹
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ZTE Corp
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ZTE Corp
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Priority to CN201510085284.3A priority Critical patent/CN105991247A/en
Priority to PCT/CN2015/100208 priority patent/WO2016131344A1/en
Publication of CN105991247A publication Critical patent/CN105991247A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

The invention discloses a device-to-device (D2D) sending method, a device-to-device (D2D) receiving method, a device-to-device (D2D) scheduling method and corresponding devices. The objective of the invention is to improve the transmission efficiency of device-to-device (D2D) communication. The receiving method includes the following steps that: UE1 receives a D2D data packet sent by UE2; and the UE1 checks the D2D data packet and sends feedback information indicating a check result, wherein the feedback information is an ACK or an NACK, if the feedback information is an NACK, the retransmission of the D2D data packet is received. The sending method includes the following steps that: the UE2 transmits the D2D data packet to the UE1; and when the feedback information which is sent by the UE1 and received by the UE2 is an NACK, or the UE2 receives authorization information sent by network side equipment, the UE2 re-transmits the D2D data packet to the UE1. The scheduling method includes the following steps that: the network side equipment sends first authorization information to the UE2 and schedules the UE2 to send the D2D data packet to the UE1; and if the feedback information which is sent by the UE1 and received by the network side equipment is an NACK, the network side equipment sends second authorization information to the UE2 and schedules the UE2 to re-transmit the D2D data packet.

Description

A kind of device-to-device transmission, reception, dispatching method and related device
Technical field
The present invention relates to wireless communication field, be specifically related to a kind of device-to-device and send, receive, dispatch Method and related device.
Background technology
Along with the variation of mobile communication business, such as, social networks, E-Payment etc. are applied wireless Popularizing in communication system so that closely the business transmission demand between user is growing.Therefore, The communication pattern of device-to-device (Device-to-Device, referred to as D2D) is increasingly subject to extensive concern. D2D refer to business datum without base station and the forwarding of core net, directly by source user equipment (User Equipment, referred to as UE) pass through air interface transmission to target UE, it is possible to the most neighbouring clothes Business (Proximity Service is called for short ProSe).For the user of short-range communication, D2D is not But save radio spectrum resources, and reduce the data transmission pressure of core net.
Radio communication generally includes broadcast (broadcast), multicast (groupcast), clean culture (unicast) Deng communication pattern.The usually not specific receiving terminal of broadcast, the business such as sent transmitting terminal is interested Equipment can receive this business；Multicast is another kind of one-to-many communication, the end of one communication set of composition End can receive the business that transmitting terminal is sent；Clean culture is then that business is sent to certain reception specific End.LTE Rel-12 defines D2D broadcast communication in physical layer.The broadcast communication of LTE Rel-12 includes Two kinds of communication pattern: mode 1 and mode 2.The former is broadcast communication based on eNB scheduling；The latter by UE carries out D2D transmission from main separation resource in D2D communication resource pond.
The feature of D2D broadcast communication is not have HARQ ACK to feed back, and for unicast communication, this The mode of kind is apparently not optimum.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of device-to-device transmission, reception, dispatching method And related device, it is achieved HARQ feedback, improves the efficiency of transmission of D2D communication.
For solving above-mentioned technical problem, the invention provides a kind of device-to-device D2D packet recipient Method, including:
First user equipment UE receives the D2D packet that the 2nd UE sends；
The described D2D packet received is verified and sends for representing check results by the oneth UE Feedback information, described feedback information is for confirming ACK or non-acknowledgement NACK, if described feedback information It is NACK, then receives the re-transmission of described D2D packet.
Further, the subframe sending feedback information is feedback subframe, and a described UE is according to pre-setting Rule determine the position of described feedback subframe or determine described feedback according to the instruction controlled in signaling The position of frame.
Further, a described UE determines the position of described feedback subframe according to the rule pre-set, Including: described in the rule that pre-sets be described feedback subframe with receive described D2D packet subframe it Between there is the first predetermined interval, described first predetermined interval is for fixing time domain interval or be between minimum time domain Between, a described UE presets according to the subframe position and described first that receive described D2D packet Every the position determining described feedback subframe.
Further, a described UE is according to receiving the subframe position of described D2D packet and described When first predetermined interval determines feedback subframe position, described method also includes: when in the feedback subframe determined When having D2D data receiver demand, a described UE abandons D2D data receiver；When in the feedback determined Subframe has D2D data to send demand and non-described 2nd UE of target UE of described D2D data transmission Time, a described UE abandons D2D data and sends；When having D2D data to send in the feedback subframe determined When target UE that demand and described D2D data send is described two UE, a described UE is by institute State feedback information to send in feedback subframe after described D2D data-reusing.
Further, a described UE determines the position of described feedback subframe according to the instruction controlled in signaling Put, including: the instruction in described control signaling includes the parameter for indication feedback subframe position, or Including the parameter for indicating the first feedback interval, described first feedback interval is feedback subframe and reception The interval of the subframe of D2D packet, when described first feedback interval is for fixing time domain interval or being minimum Territory is spaced, and a described UE determines the position of described feedback subframe according to the instruction in described control signaling Put.
Further, a described UE determines the position of described feedback subframe, bag according to minimum time domain interval Include: determine that the first available feedback subframe meeting described minimum time domain interval is the feedback sending feedback information Subframe, described first available feedback subframe refers to meet the subframe of at least one following condition: be configured with anti- Feedforward information transfer resource or be indicated as the subframe of transmission of feedback information subframe, a non-described UE's Cellular communication data receiver or transmission subframe, the D2D data receiver of a non-described UE or transmission Frame, the Stochastic accessing subframe of a non-described UE.
Further, a described UE receives the re-transmission of described D2D packet, including: described first UE is according to the re-transmission of D2D packet described in the scheduled reception of network equipment or the 2nd UE；Or, A described UE receives the re-transmission of D2D packet in same mixed automatic retransfer HARQ process； Or, a described UE determines D2D number according to position and second predetermined interval of described feedback subframe According to re-transmission position, described second predetermined interval is the re-transmission subframe of described feedback subframe and D2D packet Interval, described second predetermined interval is fixing time domain interval, and a described UE is in described D2D data Retransmit position receive D2D packet re-transmission.
Further, a described UE is according to described in the scheduled reception of network equipment or the 2nd UE The re-transmission of D2D packet, including: described oneth UE receive network equipment send control signaling or The control signaling that person the 2nd UE sends in the resource retransmitted for D2D dispatching distribution SA, described control Signaling is for dispatching the re-transmission of described D2D packet, and a described UE is according to the finger of described control signaling Show the re-transmission receiving described D2D packet.
Further, described control signaling includes the some or all of of following parameter, is used for indicating The re-transmission of D2D packet: HARQ process number, new data instruction NDI, redundancy versions RV, data The time domain retransmitted and/or frequency domain resource allocation of parameters.
Further, a described UE receives D2D in same mixed automatic retransfer HARQ process The re-transmission of packet, including: a described UE connects in the subframe corresponding to same HARQ process Receiving the re-transmission of described D2D data, the subframe corresponding to described same HARQ process is in cellular communication Row transmission the subframe corresponding to HARQ process or for D2D communicate HARQ process corresponding to Subframe.
Further, a described UE receives the D2D packet that the 2nd UE sends, including: described The subframe that oneth UE indicates at bitmap receives D2D packet；A described UE receives described D2D number According to the re-transmission of bag, the subframe indicated at described bitmap including: a described UE receives described D2D data The re-transmission of bag；The corresponding HARQ process of each bit in described bitmap.
For solving above-mentioned technical problem, present invention also offers a kind of D2D packet and receive device, including Oneth D2D packet-receiving module, correction verification module, the first sending module and the 2nd D2D packet receive Module, wherein:
A described D2D packet-receiving module, for receiving the D2D packet that the 2nd UE sends；
Described correction verification module, for verifying described D2D packet；
Described first sending module, for sending the feedback information for representing check results, described feedback Information is for confirming ACK or non-acknowledgement NACK；
Described 2nd D2D packet-receiving module, for when described feedback information is NACK, receives The re-transmission of described D2D packet.
For solving above-mentioned technical problem, present invention also offers a kind of D2D data packet sending method, bag Include:
2nd UE transmits D2D packet to a UE；
When receiving feedback information and the feedback information for representing check results that a described UE sends For non-acknowledgement NACK, or receive that network equipment sends for indicating D2D data packet retransmission Authorization message, retransmits defeated described D2D packet to a described UE.
Further, a described UE sends the subframe of feedback information is feedback subframe, described 2nd UE The position of described feedback subframe or true according to the instruction controlled in signaling is determined according to the rule pre-set The position of fixed described feedback subframe, receives described feedback information in described feedback subframe.
Further, described 2nd UE determines the position of described feedback subframe according to the rule pre-set, Including: described in the rule that pre-sets be described feedback subframe with send described D2D packet subframe it Between there is the 3rd predetermined interval, described 3rd predetermined interval is for fixing time domain interval or be between minimum time domain Between, described 2nd UE presets according to the subframe position and the described 3rd that send described D2D packet Every determining feedback subframe position.
Further, described 2nd UE determines the position of described feedback subframe according to the instruction controlled in signaling Put, including: the instruction in described control signaling includes the parameter for indicating described feedback subframe position, Or including the parameter for indicating the second feedback interval, described second feedback interval is described feedback subframe And sending the interval of the subframe of D2D packet, described second feedback interval is for fixing time domain interval or is Minimum time domain interval, described 2nd UE determines the position of described feedback subframe according to the instruction controlled in signaling Put.
Further, described 2nd UE determines the position of described feedback subframe, bag according to minimum time domain interval Include: determine that the second available feedback subframe meeting described minimum time domain interval is the feedback of receiving feedback information Subframe, described second available feedback subframe refers to meet the subframe of at least one following condition: be configured with anti- Feedforward information transfer resource, the D2D data receiver of non-described 2nd UE or transmission subframe, non-described second The Stochastic accessing subframe of UE.
Further, described retransmit defeated described D2D packet to a described UE, including: described the The control signaling that two UE send according to network equipment determines the resource for D2D data packet retransmission, Described in the resource of D2D data packet retransmission, retransmit defeated described D2D packet；Or, described second UE determines the resource for D2D data packet retransmission, sends to a described UE and is used for dispatching described D2D The control signaling of data packet retransmission, described retransmit in the resource of D2D data packet retransmission defeated described D2D packet.
Further, described retransmit defeated described D2D packet to a described UE, including: described the Two UE retransmit defeated described D2D packet in same mixed automatic retransfer HARQ process, described same The son corresponding to HARQ process that subframe is cellular communication uplink corresponding to one HARQ process Frame or the subframe corresponding to the HARQ process of D2D communication；Or, described 2nd UE is according to anti- The position of feedback subframe and the 4th predetermined interval determine the re-transmission position of D2D data, between the described 4th presets It is divided into the interval between described feedback subframe and the re-transmission subframe of D2D packet, described 4th predetermined interval For fixing time domain interval, described 2nd UE retransmits defeated described D2D in the re-transmission position of described D2D data Packet.
Further, described 2nd UE determines the resource for D2D data packet retransmission, to described first UE sends the control signaling for dispatching described D2D data packet retransmission, described for D2D packet The resource retransmitted retransmits defeated described D2D packet, including: described 2nd UE is adjusting for D2D The resource that degree distribution SA retransmits sends for dispatching described D2D data packet retransmission to a described UE Controlling signaling, described 2nd UE retransmits defeated described D2D on the retransmission resource that described control signaling indicates Packet.
Further, described control signaling includes the some or all of of following parameter, is used for indicating The re-transmission of D2D packet: HARQ process number, new data instruction NDI, redundancy versions RV, data The time domain retransmitted and/or frequency domain resource allocation of parameters.
Further, described 2nd UE transmits D2D packet to a UE, including: described second The subframe that UE indicates at bitmap sends D2D packet；Described 2nd UE retransmits defeated to a described UE Described D2D packet, including: the subframe that described 2nd UE indicates at described bitmap retransmits defeated described D2D Packet；The corresponding HARQ process of each bit in described bitmap.
For solving above-mentioned technical problem, present invention also offers a kind of device-to-device D2D packet and send Device, including transport module and weight transport module, wherein:
Described transport module, for transmitting D2D packet to a UE；
Described heavy transport module, for when receive described oneth UE send for representing check results Feedback information and feedback information are non-acknowledgement NACK, or receive network equipment send for referring to Show the authorization message of D2D data packet retransmission, retransmit defeated described D2D packet to a described UE.
For solving above-mentioned technical problem, present invention also offers a kind of D2D client/server adaptation scheme, including:
Network equipment sends the first authorization message, described first authorization message to the second user equipment (UE) D2D packet is sent to a UE for dispatching described 2nd UE；
Receive the feedback information for representing described D2D packet check results that a described UE sends, Described feedback information is for confirming ACK or non-acknowledgement NACK；
If the described feedback information received is NACK, send the second mandate letter to described 2nd UE Breath, described second authorization message is used for dispatching described 2nd UE and retransmits defeated described D2D packet.
Further, receive described oneth UE send for representing described D2D packet check results Feedback information, including: described network equipment determines and sends have between the subframe of D2D packet The subframe of the 5th predetermined interval is the feedback subframe that a UE sends feedback information, between the described 5th presets Being divided into fixing time domain interval or for minimum time domain interval, described network equipment connects in described feedback subframe Receive the feedback information that a described UE sends.
Further, described network equipment determines and sends have the 5th between the subframe of D2D packet The subframe of predetermined interval is the feedback subframe that a UE sends feedback information, including: described network side sets For the subframe determining sub-frame interval one Fixed Time Interval sending D2D packet with a described UE it is The feedback subframe of receiving feedback information；Or, described network equipment determines and a described UE transmission The interval of the subframe of D2D packet meets the 3rd available feedback subframe of minimum time domain interval for receiving feedback The feedback subframe of information, described 3rd available feedback subframe refers to meet the son of at least one following condition Frame: be configured with transmission of feedback information resource, the D2D data receiver of a non-described UE or transmission Frame, the D2D data receiver of non-described 2nd UE or transmission subframe, nonrandom access subframe.
Further, if described feedback information is NACK, described method also includes: described network side Equipment sends control signaling to a described UE, and described control signaling is used for dispatching a described UE and receives The re-transmission of D2D packet；Described control signaling includes the some or all of of following parameter, is used for referring to Show the re-transmission of D2D packet: HARQ process number, new data indicates NDI, redundancy versions RV, number According to the time domain retransmitted and/or frequency domain resource allocation of parameters.
For solving above-mentioned technical problem, present invention also offers a kind of device-to-device D2D communication scheduling dress Put, including the first scheduler module, feedback information receiver module and the second scheduler module, wherein:
Described first scheduler module, for sending the first authorization message to the second user equipment (UE), described the One authorization message is used for dispatching described 2nd UE and sends D2D packet to a UE；
Described feedback information receiver module, for receive described oneth UE send for representing described D2D The feedback information of packet check results, described feedback information is for confirming ACK or non-acknowledgement NACK；
Described second scheduler module, when the described feedback information received is NACK, for described the Two UE send the second authorization message, and described second authorization message is used for dispatching described 2nd UE and retransmits defeated institute State D2D packet.
The embodiment of the present invention continues to use the realization of existing D2D communication as far as possible, can not dramatically increase terminal On the premise of implementation complexity and signaling consumption, introduce based on HARQ based on existing D2D transmission mode ACK/NACK feeds back and carries out the D2D unicast communication retransmitted based on feedback, by based on HARQ Unicast communication improves the spectrum efficiency of D2D, expands the range of application of D2D communication.
Other features and advantages of the present invention will illustrate in the following description, and, partly from froming the perspective of Bright book becomes apparent, or understands by implementing the present invention.The purpose of the present invention is excellent with other Point can be realized by structure specifically noted in description, claims and accompanying drawing and be obtained ?.
Accompanying drawing explanation
Accompanying drawing is used for providing being further appreciated by technical solution of the present invention, and constitutes one of description Point, it is used for explaining technical scheme together with embodiments herein, is not intended that the present invention The restriction of technical scheme.
Fig. 1 is cellular deployment schematic diagram in correlation technique；
Fig. 2 is the schematic diagram of Radio Resource structure in correlation technique；
Fig. 3 is the embodiment of the present invention one D2D data packet receiving method flow chart；
Fig. 4 is the embodiment of the present invention two D2D data packet sending method flow chart；
Fig. 5 is the embodiment of the present invention three D2D client/server adaptation scheme flow chart；
Fig. 6 is the embodiment of the present invention four dispatching device structural representation；
Fig. 7 is that the embodiment of the present invention four receives apparatus structure schematic diagram；
Fig. 8 is the embodiment of the present invention four dispensing device structural representation.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing Embodiments of the invention are described in detail.It should be noted that in the case of not conflicting, this Shen Embodiment in please and the feature in embodiment can mutual combination in any.
Can be at the computer of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing System performs.And, although show logical order in flow charts, but in some cases, Can be to be different from the step shown or described by order execution herein.
The techniques described herein are applicable to cellular radio Communication system or network.Common cellular radio Communication System can based on CDMA (Code Division Multiplexing Access, CDMA) technology, FDMA (Frequency Division Multiplexing Access, frequency division multiple access) technology, OFDMA (Orthogonal-FDMA, OFDM) technology, SC-FDMA (Single Carrier-FDMA, single-carrier frequency division multiple access) technology, etc..Such as, 3GPP (3rd Generation Partnership Project) LTE (Long Term Evolution, Long Term Evolution)/LTE-A (LTE-Advanced, senior Long Term Evolution) cellular communication system downlink (or referred to as forward link) Based on OFDMA technology, up-link (or referred to as reverse link) is based on SC-FDMA multiple access technology. Following then likely support on a link mixing multiple access technology.
In OFDMA/SC-FDMA system, for the Radio Resource (Radio Resource) of communication When being-form of bidimensional frequently.Such as, for LTE/LTE-A system, uplink and downlink link The communication resource on time orientation be all with radio frames (radio frame) be unit divide, each radio frames (radio frame) a length of 10ms, comprises the subframe (sub-frame) of 10 a length of 1ms, Each subframe includes two time slots (slot) of a length of 0.5ms.And usual subframe volume in radio frames Number it is 0-9；The numbered 0-1023 of radio frames.As shown in Figure 1.
In frequency direction, resource is that unit divides with subcarrier (subcarrier), the most in the communications, The least unit of frequency domain resource distribution is RB (Resource Block, Resource Block), corresponding physical resource A PRB (Physical RB, Physical Resource Block).One PRB comprises 12 sons at frequency domain and carries Ripple (sub-carrier), corresponding to a time slot (slot) of time domain.Two that in subframe, time domain is adjacent PRB is referred to as PRB to (PRB pair).A corresponding subcarrier on each OFDM/SC-FDM symbol Resource be referred to as resource element (Resource Element, RE).
Fig. 2 show the network design schematic diagram of cellular radio Communication system.Can be 3GPP shown in figure LTE/LTE-A system, or other cellular radio Communication technology.Connecing at cellular radio Communication system In networking, the network equipment generally comprises a number of base station (base station, or referred to as node B (Node B), or the node B (evolved Node B, eNB) of evolution, or the node strengthened B (enhanced Node B, eNB)), and other network entity (network entity) or net Network unit (network element).Or, in short, can also be referred to as in 3 gpp Network side (E-UTRAN, Evolved Universal Terrestrial Radio Access Network, evolution Universal terrestrial access network).Base station mentioned here also includes the low power nodes in network (Low Power Node, LPN), such as Femto cell or Home eNodeB (pico, Relay, Femto, HeNB i.e. Home eNB etc.) etc., it is possible to system is called small-cell (small cell).For Describing simple, Fig. 2 merely illustrates 3 base stations.Base station provides certain wireless signal coverage, Terminal (terminal, or referred to as subscriber equipment (User Equipment, UE) in this coverage Or device) radio communication can be carried out with this base station.The wireless signal overlay area of one base station may One or more community cell or sector sector can be divided into based on some criterion, such as, may be Three communities.
Embodiment one
The present embodiment provides a kind of device-to-device data packet receiving method, as it is shown on figure 3, include following Step:
Step 110, a UE receives the D2D packet that the 2nd UE sends；
Oneth UE can determine according to the instruction in the control signaling that network equipment or the 2nd UE send For receiving the resource of D2D packet, described resource receives the D2D data that the 2nd UE sends Bag.The control signaling that network equipment or the 2nd UE send carries for indicating reception D2D number Parameter according to bag.Can be bitmap (bitmap) for indicating the parameter receiving D2D packet, instruction Receive the subframe position of D2D packet.
Step 120, the described D2D packet received is verified and sends use by a described UE In the feedback information of expression check results, described feedback information is for confirming that (acknowledgement is called for short Or non-acknowledgement (negative acknowledgement, be called for short NACK) ACK)；If described feedback Information is NACK, then receive the re-transmission of described D2D packet.
Oneth UE can be to the 2nd UE or to network equipment transmission feedback information.Send ACK or The subframe of NACK (hereinafter referred to as ACK/NACK) feedback information is feedback subframe.When a UE to When 2nd UE sends feedback information, described feedback subframe is one of following subframe: cellular communication system Sub-frame of uplink or descending sub frame, be configured with the up son of feedback resources (i.e. transmission of feedback information resource) Frame or descending sub frame；Control the subframe indicated by signaling.When a UE sends feedback to own base station During information, described feedback subframe is one of following subframe: the sub-frame of uplink of cellular communication system, is configured with The sub-frame of uplink of feedback resources (i.e. transmission of feedback information resource)；Control the subframe indicated by signaling.
Based on Rel-12D2D SA (Scheduling Assignment, dispatching distribution) cycle, D2D number Transmit within the SA cycle at data transmission place according to the HARQ feedback information of bag.But, in Rel-12 Whether the rule of the blind re-transmission of each packet 4 times needs to be redefined: retransmit and depend on receiving ACK/NACK feeds back, if check results is ACK, without retransmitting, if check results is NACK then sends feedback information in feedback subframe.Feedback subframe can according to the rule pre-set really Fixed, it is also possible to the instruction according to controlling in signaling determines.Illustrate separately below.
Mode one, a UE determines the position of feedback subframe according to the rule pre-set
1a: default rule is to have first between feedback subframe and the subframe receiving D2D packet to preset Interval, this first predetermined interval is fixing time domain interval.
Such as, subscriber equipment receives described D2D packet in subframe n, it is determined that with described D2D number There is subframe n+k of fixed interval k for transmitting ACK/NACK feedback information according between bag, k value For integer.Such as, k value is 3 or 4 or 5 etc..Or, the value of k is relevant to duplex mode, Such as FDD system may be different with the value of TDD system；And for TDD System, k value can be a fixing value, or the value of k includes multiple, and different TDD is upper and lower The k value of row configuration (UL-DL Configuration) may be different.
Subframe n mentioned here and subframe n+k can be (the most all of up for all of subframe Subframe or all of descending sub frame), or for the subframe in a specific sub-frame set.Right In the former, interval k is actual interval, such as k=4, then under the hypothesis of subframe duration 1ms, Interval between subframe n and subframe n+k is 4 milliseconds (ms).For the latter, actual interval may Can be different from k value.(this part subframe forms one such as to distribute a part of subframe in sub-frame of uplink Sub-frame set) for D2D communication (this part subframe can be distribution for D2D data transmission and Transmission of feedback information, or it is served only for transmission of feedback information), the position of subframe n+k is based on this subframe Subframe and k value in set determine.Such as, this sub-frame set include numbered 1,2,4,6,8, The subframe of 9, then for the transmission of the D2D packet in subframe 2, if k=4, then its feedback letter Breath transmits in subframe 9, i.e. only considers the subframe in this sub-frame set during counting period k.
In the manner, the ACK/NACK of D2D UE feedback has limit priority, if i.e. and its When he transmits collision, abandon other transmission.Such as, if being found to have the bag needing to receive during this feedback, Then UE is it is thought that scheduling makes mistakes (error case)；If there is a need to the bag sent during feedback, if Be sent to same UE, then can be by transmitting after ACK/NACK multiplexing, if being sent to other UE's, then the transmission of other UE is cancelled.Specifically:
(1) when a UE has D2D to receive demand in the subframe sending described feedback information simultaneously, than Feedback subframe as determined is n+k, but the control signaling that base station or other UE send indicates this subframe N+k is that the D2D of a UE receives subframe, then a UE can only send ACK/NACK feedback letter Cease and abandon carrying out D2D reception.
(2) when a UE has D2D to send demand in the subframe sending described feedback information simultaneously, than Feedback subframe as determined is n+k, but the control signaling that base station or other UE send indicates this subframe N+k is that the D2D data of a UE send subframe, and target UE of described transmission and described feedback letter The target UE that breath sends is different (being non-2nd UE in this example), then a UE can only send out ACK/NACK feedback information is sent to abandon sending D2D data to non-feedback information target UE.
(3) when a UE has D2D to send demand in the subframe sending described feedback information simultaneously, than Feedback subframe as determined is n+k, but the control signaling that base station or other UE send indicates this subframe N+k is that the D2D data of a UE send subframe, and target UE of described transmission and described feedback letter Target UE identical (being the 2nd UE in this example) that breath sends, then a UE can be by described Send after ACK/NACK feedback information and described D2D data-reusing.Such as, described multiplex mode can Channel (Physical Uplink is shared with the row physically of ACK/NACK information in similar LTE system Shared Channel, PUSCH) in multiplex mode.
1b: default rule is to have first between feedback subframe and the subframe receiving D2D packet to preset Interval, this first predetermined interval is a minimum time domain interval.
In the manner, determine the first available feedback subframe meeting this minimum time domain interval, and described First feedback subframe transmits ACK/NACK feedback information.Described first available feedback subframe refers to full Be enough to the subframe of at least one lower condition: be configured with transmission of feedback information resource or be indicated as feedback letter The subframe of breath transmission subframe；The cellular communication data receiver of a non-described UE or transmission subframe；Non-institute State the D2D data receiver of a UE or send subframe；The Stochastic accessing subframe of a non-described UE. Preferably, determine that first available feedback subframe is that the subframe position of transmission of feedback information, i.e. UE are One does not sends/receives transmitting feedback information in the subframe conflicted with D2D.
Such as, this minimum time domain interval is k (can value be positive integer, such as 3 or 4 or 5 etc.).With Family equipment, after subframe n receives D2D data, (does not the most include n+k subframe after subframe n+k Itself, other embodiments can also include, depend on the value of k) first available feedback subframe The ACK/NACK feedback information of middle transmission described D2D data.Such as can feedback subframe be subframe 1,2,4,6,8,9, and k=3；Oneth UE is after subframe 1 receives D2D data, at son First available feedback sub-frame transmission ACK/NACK information after frame 4, due to after subframe 4 One available feedback subframe is subframe 6, and i.e. first user equipment is at subframe 6 transmitting feedback information.
Specifically, it is configured with the subframe of transmission of feedback information resource, refers to that this subframe has network equipment Configuration or the pre-configured resource for D2D transmission of feedback information.And these transmission of feedback information resources Can configure in part subframe, such as network side configuration or pre-configured a part of subframe have this feedback In information transmission resources, or whole subframe (whole descending sub frames, or whole sub-frame of uplink) There is this transmission of feedback information resource.
Such as, a UE needs to send after receiving D2D data and feeds back to D2D data accordingly Transmitting terminal (the 2nd UE).Assume that subframe 1,3,6,7,8 is configured with feedback resources, and still false If k=3.If that a UE receives D2D data in subframe 1, need to send out after subframe 4 Send corresponding ACK/NACK feedback information.Assume that subframe 6 is D2D reception of a UE simultaneously Frame, i.e. subframe 6 need to receive the D2D data that other UE (the 2nd UE or other UE) send, that Subframe 6 is not used to transmission of feedback information, i.e. subframe 6 is not the available feedback subframe of a UE, needs Subframe after subframe 6 to be determined is for the transmission of ACK/NACK feedback information.
Mode two, a UE determines feedback subframe position according to the instruction controlled in signaling
Instruction in the control signaling that eNB or transmitting terminal UE sends includes for indication feedback subframe position Parameter or include the parameter for indicating the first feedback interval, in the manner, the first feedback interval Being the interval between feedback subframe and the subframe receiving D2D packet, the first feedback interval can be fixing Time domain interval or be minimum time domain interval, a UE determines feedback according to the instruction controlled in signaling The position of frame.
2a: the subframe sending described ACK/NACK feedback information is to control feedback indicated by signaling Frame.Such as, a described UE receives network equipment or the control signaling of described 2nd UE transmission, institute State in control signaling and carry the parameter for indicating the subframe position transmitting described feedback information；User sets The standby instruction according to described parameter sends described feedback information.
Such as, the subframe position of described feedback information is transmitted by bitmap (bitmap) instruction；Described bitmap Can be with the bitmap (ratio of instruction D2D data transmission subframes (i.e. instruction receives the subframe of D2D packet) As in LTE Release-12D2D T-RPT, Time-Resource Pattern of Transmission, Time resource transmission pattern) it is same parameter, or can also be different parameters.If institute's rheme Figure is same parameter with the bitmap of instruction D2D data transmission subframes, can arrange to be used in described bitmap " 1 " indicating specific bit position represents the position of transmission of feedback information subframe.Such as, in bitmap Last " 1 " represent transmission of feedback information subframe position；Or, odd number in bitmap (or even Number) position " 1 " represent transmission of feedback information subframe position, m-th during wherein odd positions refers to bitmap The subframe position that " 1 " is corresponding, m is the subframe position that in odd number, or bitmap, m-th bit is corresponding Putting, m is odd number；Or, " 1 " that in bitmap, latter half occurs represents transmission of feedback information subframe position Put (such as bitmap lengths is 8 bits, and latter half refers to rear 4 bits)；Deng.
2b: the subframe sending described ACK/NACK feedback information determines according to the instruction controlling signaling, control Signaling processed includes the parameter for indicating the first feedback interval.Such as, described first user equipment receives The control signaling that network equipment or described second subscriber equipment send, carries use in described control signaling In indicating the parameter of the first feedback interval, this first feedback interval represents the subframe transmitting described feedback information And the interval between described data transmission subframes (subframe of the i.e. the oneth UE reception D2D packet)；The One UE determines the subframe position of transmitting feedback information according to this interval and sends described feedback in the burst Information.
The first indicated feedback interval can carry out similar determining with the first predetermined interval in mode one Justice, the first feedback interval the most herein both can be fixing time domain interval, it is also possible to be one minimum time Territory is spaced, but the difference of the first feedback interval described herein and aforesaid first predetermined interval is, described First feedback interval is a spacing value by controlling signaling instruction, and the first predetermined interval is predefined Or a pre-configured spacing value；After determining spacing value based on the first indicated feedback interval, tool The mode of the determination feedback subframe of body can be with the aforesaid side determining feedback subframe based on the first predetermined interval Formula is identical.
If the control signaling indicating described first feedback interval is sent by network equipment, the most described control Signaling can be physical layer signaling, be such as carried on DCI (Downlink Control Information, under Row control information) in；Can also be high-level signaling, as being carried on special RRC (Radio Resource Control, wireless heterogeneous networks) in signaling, or be such as carried in broadcast signaling (SIB).
After oneth UE receives D2D packet and sends feedback information, if feedback information is NACK, The re-transmission of described packet to be received such as then.Following three kinds are had to determine the mode retransmitting position.
After mode 1: the one UE sends feedback information, according to network equipment or the scheduling of the 2nd UE Carry out retransmitting and receive；
In the manner, a UE detection is for dispatching the control signaling of described data packet retransmission.Described Controlling signaling can be that base station sends, and such as base station sends Downlink Control Information (Downlink Control Information, DCI) dispatch the data transmission of D2D link and retransmit；Or transmitting terminal UE is (i.e. Second subscriber equipment sends), such as skidding controls information (Sidelink Control Information (letter Claim SCI), it is possible to it is referred to as dispatching distribution (Scheduling Assignment is called for short SA)).Detect After described control signaling, a described UE carries out described D2D re-transmission according to the instruction of described control signaling The reception of data.
Described control signaling can include the some or all of of following parameter: the HARQ of D2D link Process number (HARQ process number), new data instruction (New Data Indicator, NDI), Redundancy versions (Redundancy Version, RV), time domain and/or frequency domain resource that data retransmit are distributed Parameter, orthogonal mask (Orthogonal Cover Code, OCC), the transmission of described D2D packet The mark (Identifier, ID) of end (the such as the 2nd UE), the receiving terminal (example of described D2D packet Such as a UE) ID.Above-mentioned parameter it is not necessary to carry, can by agreement or other imply Mode determines.
1a:D2D packet transmitting terminal UE sends control signaling, can be in the money retransmitted for D2D SA Source sends the control signaling (SA) for dispatching described D2D data packet retransmission.Such as, D2D communication Middle SA can transmit 2 times within each SA cycle, then the SA of transmission is used for dispatching described D2D for the first time The first biography of packet, the SA (SA i.e. retransmitted) of second time transmission is used for dispatching described D2D packet Re-transmission.
Further, on the basis of above-mentioned implementation, following optimal way:
(1) in the increase cycle the number of transmissions of SA for dispatch described D2D packet re-transmission.Example As, it is assumed that in the cycle that D2D packet allows, maximum transmission times is that p (i.e. at most can weigh in the cycle Pass p-1 time), then can about in fixed cycle each SA can transmit p time (or at most transmission p time), Wherein transmission for the first time may be used for dispatching the first biography of described D2D packet, and remaining transmission is used for dispatching The re-transmission of described D2D packet.If correctly (feedback information is the reception of D2D packet during first biography ACK), then the transmission of other D2D packets can be proceeded in this cycle；Or, arrange each Only can transmit a D2D packet in cycle, if D2D packet receives correct during first biography, need The transmission of other D2D packets just can be carried out to next cycle.When supporting that multiple parallel HARQ enter Cheng Shi, for certain HARQ process, if D2D packet receives correct (feedback information during first biography It is ACK), then other transmission subframes that this HARQ process is corresponding within the cycle can proceed it The transmission of his D2D packet；Or, in arranging each cycle, each HARQ process only can transmit one D2D packet, if first when passing D2D packet receive correct, need the next cycle by the time could be This subframe corresponding to HARQ process carries out the transmission of other D2D packets.
It should be noted that p value can be fixed, the most no matter the SA cycle is how many, p value value phase With；Or, p value determines according to the size in SA cycle, when the such as SA cycle is 40ms, and p value value Being 4, when the SA cycle is 80ms, p value value is 8, etc..
(2) in controlling signaling, carry new data instruction, be used for indicating first biography still to retransmit, described new number Can determine according to schedulable HARQ process number according to the bit number of instruction.Such as at most schedulable 8 HARQ process, then a length of 8 bits of NDI indication signaling, the corresponding HARQ of each bit enters Journey.
Further, new data instruction can also be used in combination with the bitmap of instruction HARQ process, example As represented whether corresponding HARQ process has data to be scheduled by the bitmap of 8 bits, and and then Determine that scheduled HARQ process is first biography or re-transmission according to NDI.
(3) described first biography or re-transmission can also pass through RV implicit indication.Such as, appointment data bag transmission RV order be [0213], then represent the head of described D2D packet when the RV version indicated is 0 Passing, RV version is the second time transmission (retransmitting for the first time) representing described D2D packet when 1, The like.
1b: described control signaling includes time domain and/or the frequency domain resource allocation of parameters that data retransmit, described Time domain that D2D packet indicates in described resource allocation parameters and/or frequency domain resource are transmitted.
If described control signaling does not include time domain and/or frequency domain resource allocation of parameters, the institute that data retransmit Time domain and/or the frequency domain resource of stating the transmission of D2D packet are identical with the first position passed.Specifically, if Do not include time-domain resource allocation of parameters, then time-domain resource during D2D data packet retransmission is identical with first biography；As Fruit does not include frequency domain resource allocation of parameters, then frequency domain resource during D2D data packet retransmission is identical with first biography； By that analogy.Described time domain is identical refers to that the subframe transmitting described D2D packet is same HARQ (HARQ process herein refers to D2D HARQ process, or cellular communication to subframe corresponding to process HARQ process, such as cellular link ascending HARQ course)；Or, refer to transmit described D2D number Identical according to the subframe wrapped position in transmission cycle, such as first biography is the 1st son in transmission cycle In frame, then during re-transmission in the 1st subframe in next transmission cycle, transmission cycle can keep with The SA cycle is identical, or the SA cycle is carried out division obtains.Identical the referring to of described frequency domain transmits institute The frequency domain position stating D2D packet is identical with the frequency domain position that first transmission or last transmission use, Or it is true according to first transmission or the position of last transmission and frequency hopping (frequency hopping) rule Fixed.
After mode 2: the one UE sends feedback information, if feedback information is NACK, then stringent synchronization Ground carries out retransmitting reception, and the i.e. the oneth UE receives the re-transmission of D2D packet in same HARQ process, HARQ RTT (Round Trip Time, two-way time) is fixing；
Described HARQ transmission uses the HARQ transmission mode synchronized, and synchronizes to refer to same HARQ The subframe position of the many data transfer corresponding to process is fixing.
A described UE receives described D2D data in the subframe corresponding to same HARQ process Retransmit.If control signaling includes the parameter for indicating HARQ process number, the most described re-transmission is with first Biography has identical HARQ process number.
Specifically, the subframe corresponding to described same HARQ process is cellular communication uplink Subframe corresponding to HARQ process.Such as FDD system, a total of 8 HARQ of up-link Process, the i.e. subframe of 8 subframes in interval belong to same HARQ process, such as subframe n, subframe N+8, subframe n+16 ... belong to same HARQ process.Thus work as what UE received in subframe n When the check results of D2D packet is NACK, in subframe n+8, this packet is retransmitted, send End and receiving terminal UE send in subframe n+8 respectively and receive the re-transmission of described D2D packet.
Or, the subframe corresponding to described same HARQ process is the HARQ process of D2D communication Corresponding subframe.Such as, the HARQ process number of D2D link is the numbered of N, D2D subframe 0,1, (D2D subframe can be all subframes in the range of certain starting and ending, the most all for 2 ... Descending sub frame or all sub-frame of uplink, it is also possible to be the part subframe of distribution in cellular communication resources, Such as in cellular uplink subframe, distribution is a part of as D2D subframe), then the numbering mould to D2D subframe N, the subframe that result is identical broadly falls into same D2D HARQ process.Such as D2D link HARQ Process number N=6, then give an example, numbered 1,7, the D2D subframe of 13 ... belong to same HARQ process.Thus, when in D2D subframe 1, the check results of the D2D packet of transmission is NACK Time, the transmitting terminal of described D2D packet carries out the repeating transmission of described D2D packet in D2D subframe 7, Described receiving terminal carries out the reception of described D2D packet in subframe 7.
Specifically, the subframe of described D2D data transmission uses bitmap to indicate, each in described bitmap The corresponding HARQ process of bit.Such as, bitmap lengths is M, each bit correspondence 1 in bitmap Individual sub-frame set.Assume D2D subframe numbered 0,1, (implication of D2D subframe is with above-mentioned for 2 ... In example can be identical), then the numbering mould M to D2D subframe, the corresponding described bitmap of the result of delivery In corresponding bits.Assume M=12, and the bitmap that scheduling D2D data send be 001000000000, HARQ process corresponding to subframes the most numbered 2,14 ... for the transmission of described D2D packet, If the check results of the D2D packet of transmission is NACK in subframe 2, then it retransmits in subframe 14 In, the like, repeat no more.
After mode 3: the one UE sends feedback information, between presetting according to the position and second of feedback subframe Every determining the re-transmission position of D2D data, synchronously carrying out retransmitting and receive, described second predetermined interval is institute Stating the interval of the re-transmission subframe of feedback subframe and D2D packet, described second predetermined interval is fixing time domain Interval, a described UE receives the re-transmission of D2D packet (i.e. in the position that retransmits of described D2D data Receive in the next one meets the subframe (or available subframe) of the second predetermined interval and retransmit)；
When check results is NACK, the re-transmission position of described D2D data is according to transmission of feedback information Subframe position determines, such as has transmission institute in the D2D subframe of the second predetermined space with described feedback subframe State the re-transmission of device-to-device communication data.Further, described second predetermined space can be fixing Interval numerical value；Described D2D subframe can be that all subframes are (in the range of such as specific starting and ending All sub-frame of uplink), or the subframe for the transmission of D2D data being configured.If described D2D Subframe is all subframes, and the most described D2D packet has fixed interval with transmission of feedback information subframe Subframe is transmitted.If described D2D subframe is the subframe for the transmission of D2D data being configured, then institute State D2D packet first (can use) D2D after the fixed interval of described transmission of feedback information subframe Data transmission subframes transmits；Now fixed interval only calculate the subframe of D2D data transmission, or calculate All subframes, such as all sub-frame of uplink.Fixed interval only calculate the subframe of D2D data transmission and refer to, Described D2D packet is after fixed interval the D2D data transmission subframes of described transmission of feedback information subframe First (available) D2D data transmission subframes in transmit；Fixed interval calculate whole sub-frame of uplink Referring to, described D2D packet is in fixed interval the subframe of described transmission of feedback information subframe (on all Row subframe, the most also includes the D2D data transmission subframes of configuration) after first (available) D2D Data transmission subframes transmits.
In a further advantageous embodiment, a UE can receive D2D data in the subframe of bitmap instruction Bag and the re-transmission of described D2D packet, the indicating mode reference of bitmap is outlined above, described bitmap In the corresponding HARQ process of each bit.
Embodiment two
The present embodiment provides a kind of D2D data packet sending method, as shown in Figure 4, comprises the following steps:
Step 210, the 2nd UE transmits D2D packet to a UE；
2nd UE can transmit D2D packet according to the scheduling of base station to a UE.
Step 220, when the 2nd UE receive described oneth UE send for representing the anti-of check results Feedforward information and feedback information are NACK, or receive network equipment send for indicating D2D number The authorization message retransmitted according to bag, retransmits defeated described D2D packet to a described UE.
The present embodiment is the sending method of corresponding embodiment one method of reseptance, and two methods have relevant correspondence, Various implementations in the present embodiment method can refer to the explanation in embodiment one and citing.
It is feedback subframe that oneth UE sends the subframe of feedback information.Determine feedback subframe position mode have with Lower two kinds:
Mode one: the two UE determines the position of described feedback subframe according to the rule pre-set, described Feedback subframe receives described feedback information.
The described rule pre-set is between described feedback subframe and the subframe sending described D2D packet Having the 3rd predetermined interval, described 3rd predetermined interval is for fixing time domain interval or being between minimum time domain Between, described 2nd UE presets according to the subframe position and the described 3rd that send described D2D packet Every determining feedback subframe position.With in a D2D data transmission procedure, for UE2 preset the 3rd pre- If the first predetermined interval being spaced and preset for UE1 is identical.Implement and can be found in embodiment one first Predetermined interval associated description and citing.
When the 3rd predetermined interval is minimum time domain interval, described 2nd UE determines and meets described minimum time domain The feedback subframe that second available feedback subframe is receiving feedback information at interval, described second available feedback Frame refers to meet the subframe of at least one following condition: be configured with transmission of feedback information resource, and non-described The D2D data receiver of two UE or transmission subframe, the Stochastic accessing subframe of non-described 2nd UE.
Mode two: the two UE or determine the position of described feedback subframe according to the instruction controlled in signaling, Described feedback information is received in described feedback subframe.
Instruction in described control signaling includes the parameter for indicating described feedback subframe position, or bag Including the parameter for indicating the second feedback interval, described second feedback interval is described feedback subframe and transmission The interval of the subframe of D2D packet, when described second feedback interval is for fixing time domain interval or being minimum Territory is spaced, and described 2nd UE determines the position of described feedback subframe according to the instruction controlled in signaling.? With in a D2D data transmission procedure, to the second feedback interval of UE2 transmission and to UE1 transmission First feedback interval is identical.Implement and can be found in the first feedback interval associated description and act in embodiment one Example.
Now, when the second feedback interval is minimum time domain interval, described 2nd UE determine meet described in The feedback subframe that second available feedback subframe is receiving feedback information of little time domain interval.
2nd UE one of in the following ways retransmits defeated described D2D packet to a UE:
Mode one, the control signaling that described 2nd UE sends according to network equipment determines for D2D number The resource retransmitted according to bag, retransmits defeated described D2D data described in the resource of D2D data packet retransmission Bag；
Such as, base station sends DCI scheduling D2D data and retransmits, and can carry the portion of following parameter in DCI Divide or be completely used for indicating the retransmission resource position of D2D packet: HARQ process number, new data refers to Show NDI, redundancy versions RV, the time domain of data re-transmission and/or frequency domain resource allocation of parameters.Concrete example Can be found in described in embodiment one.
Mode two, described 2nd UE determines the resource for D2D data packet retransmission, to a described UE Send the control signaling for dispatching described D2D data packet retransmission, described for D2D data packet retransmission Resource in retransmit defeated described D2D packet.
Specifically, the 2nd UE can determine the resource for D2D data packet retransmission according to the scheduling of network side, And be used for dispatching described D2D number to a UE transmission in the resource retransmitted for D2D dispatching distribution SA The control signaling retransmitted according to bag, the 2nd UE retransmits on the retransmission resource that described control signaling indicates simultaneously Defeated described D2D packet.
Mode three, described 2nd UE retransmits defeated described D2D packet in same HARQ process, The HARQ process that subframe corresponding to described same HARQ process is cellular communication uplink is right The subframe answered or the subframe corresponding to the HARQ process of D2D communication；
Mode four, described 2nd UE determines D2D according to position and the 4th predetermined interval of feedback subframe The re-transmission position of data, described 4th predetermined interval is re-transmission of described feedback subframe and D2D packet Interval between frame, described 4th predetermined interval is fixing time domain interval, and described 2nd UE is at described D2D The re-transmission position of data retransmits defeated described D2D packet.
With in a D2D data transmission procedure, the 4th predetermined interval preset for UE2 with for UE1 The second predetermined interval preset is identical.Implement and can be found in embodiment one that second predetermined interval is relevant retouches Address citing.
In a preferred embodiment, the subframe that described 2nd UE indicates at bitmap sends D2D packet And retransmit defeated described D2D packet, the corresponding HARQ process of each bit in described bitmap.
In a preferred embodiment, the 2nd UE is when retransmitting defeated D2D packet, it is possible to use non-self Adapt to the mode retransmitted.When using non-self-adapting to retransmit, RV can use fixing RV order；Frequently Territory resource location can pass identical with head, or according to head pass frequency domain resource position and frequency hopping (frequency hopping) rule determines.
Embodiment three
The present embodiment provides a kind of D2D client/server adaptation scheme, as it is shown in figure 5, include:
Step 310, network equipment sends the first authorization message, described first authorization message to the 2nd UE D2D packet is sent to a UE for dispatching described 2nd UE；
Step 320, receive described oneth UE send for representing described D2D packet check results Feedback information, described feedback information is ACK or NACK；
Step 330, if the described feedback information received is NACK, sends the to described 2nd UE Two authorization messages, described second authorization message is used for dispatching described 2nd UE and retransmits defeated described D2D data Bag.
In above-mentioned steps 320, described network equipment determines and sends have between the subframe of D2D packet The subframe having the 5th predetermined interval is the feedback subframe that a UE sends feedback information, and the described 5th presets Being spaced apart fixing time domain interval or for minimum time domain interval, described network equipment is in described feedback subframe Receive the feedback information that a described UE sends.Described feedback subframe is the up son of cellular communication system Frame or descending sub frame, or it is configured with sub-frame of uplink or the descending sub frame of feedback resources, or, send out The subframe sending described ACK/NACK feedback information is the feedback subframe indicated by described authorization message.
Specifically, when the 5th predetermined interval is for fixing time domain interval, network equipment determines and described first The subframe of sub-frame interval one Fixed Time Interval that UE sends D2D packet is the anti-of receiving feedback information Feedback subframe；Wherein, described feedback information transmits in the feedback resources of described feedback subframe；Or, institute State feedback information multiplexing and be sent to cellular communication data or the honeybee of described network equipment at a described UE Nest link uplink feedback information is transmitted.When 5th predetermined interval is minimum time domain interval, network side The interval of the subframe that equipment determines and a described UE sends D2D packet meets minimum time domain interval 3rd available feedback subframe is the feedback subframe of receiving feedback information, and described 3rd available feedback subframe refers to Meet the subframe of at least one following condition: be configured with transmission of feedback information resource, a non-described UE D2D data receiver or send subframe, the D2D data receiver of non-described 2nd UE or send subframe, Nonrandom access subframe.
See the relevant of the first predetermined interval in embodiment one about the implementation of the 5th predetermined interval to retouch State.
If described feedback information is NACK, said method is further comprising the steps of: described network side sets For sending control signaling to a described UE, described control signaling is used for dispatching a described UE and receives The re-transmission of D2D packet；Described control signaling includes the some or all of of following parameter, is used for referring to Show the re-transmission of D2D packet: HARQ process number, new data indicates NDI, redundancy versions RV, number According to the time domain retransmitted and/or frequency domain resource allocation of parameters.
The transmission of described feedback information and the re-transmission of D2D packet are with reference to previous embodiment.
Embodiment four
The present embodiment provides a kind of system for device-to-device communication, including: the network of cellular network Side apparatus, first user equipment and the second subscriber equipment.Separately below each entity above-mentioned is said Bright.
In one embodiment, the network equipment of cellular network can be such as the base station described in previous examples. This network equipment includes that dispatching device as shown in Figure 6, described device at least may include that the first tune Degree module 410, feedback information receiver module 420 and the second scheduler module 430, wherein:
Described first scheduler module 410, for sending the first authorization message to the 2nd UE, described first awards Power information is used for dispatching described 2nd UE and sends D2D packet to a UE；
Described feedback information receiver module 420, for receive that a described UE sends for representing described The feedback information of D2D packet check results, described feedback information is for confirming ACK or non-acknowledgement NACK；
Described second scheduler module 430, when the described feedback information received is NACK, for institute Stating the 2nd UE and send the second authorization message, described second authorization message is used for dispatching described 2nd UE and retransmits Defeated described D2D packet.
It is feedback subframe that a described UE sends the subframe of feedback information, and described feedback subframe is cellular communication The sub-frame of uplink of system or descending sub frame, or it is configured with the sub-frame of uplink of feedback resources or descending son Frame, or, the subframe sending described ACK/NACK feedback information is indicated by described authorization message Feedback subframe.
In a preferred embodiment, described feedback information receiver module 420 determines and sends D2D data The subframe between the subframe of bag with the 5th predetermined interval is feedback that a UE sends feedback information Frame, described 5th predetermined interval is fixing time domain interval or is minimum time domain interval, described feedback information Receiver module 420 receives, in described feedback subframe, the feedback information that a described UE sends.
When 5th predetermined interval is for fixing time domain interval, described feedback information receiver module 420 determines and institute The subframe stating sub-frame interval one Fixed Time Interval that a UE sends D2D packet is reception feedback letter The feedback subframe of breath；Or,
When 5th predetermined interval is minimum time domain interval, described feedback information receiver module 420 determines and institute The interval stating the subframe that a UE sends D2D packet meets the 3rd available feedback of minimum time domain interval Subframe is the feedback subframe of receiving feedback information, and described 3rd available feedback subframe refers to meet following condition At least one subframe: being configured with transmission of feedback information resource, the D2D data of a non-described UE connect Receive or send subframe, the D2D data receiver of non-described 2nd UE or transmission subframe, nonrandom access Frame.
In a preferred embodiment, when described feedback information is NACK, described second scheduler module 430 are additionally operable to send control signaling to a described UE, and described control signaling is used for dispatching described first UE receives the re-transmission of D2D packet；Described control signaling includes the some or all of of following parameter, For indicating the re-transmission of D2D packet: HARQ process number, new data instruction NDI, redundancy versions RV, the time domain of data re-transmission and/or frequency domain resource allocation of parameters.
In one embodiment, network equipment can be base station (base station or eNB), or Other network access equipment such as small-cell of person, it is also possible to be the network node of more top, such as gateway (gateway), or Mobility Management Entity (Mobility Management Entity, MME), Or other servers or the NE of service are provided for D2D, or include the one of above-mentioned node simultaneously Individual or multiple.
In another embodiment, network equipment can also be without the net disposed interim in covering scene Network unit.Refer to that subscriber equipment is in the scene of cellular network coverage hole, such as honeycomb without covering scene Infrastructure is damaged, or covers hole region, etc..
In another embodiment, network equipment can also be take on a bunch head (Cluster Head) or The UE of the main UE of person (Primary UE), such as at some special scenes such as without the scene of the network coverage In, specific subscriber equipment carry out equipment and find the configuration of resource.
In one embodiment, a UE includes reception device as shown in Figure 7, and described reception device is extremely May include that a D2D packet-receiving module 510, correction verification module the 520, first sending module less 530 and the 2nd D2D packet-receiving module 540, wherein:
A described D2D packet-receiving module 510, for receiving the D2D data that the 2nd UE sends Bag；
Described correction verification module 520, for verifying described D2D packet；
Described first sending module 530, for sending for representing the feedback information of check results, described instead Feedforward information is for confirming ACK or non-acknowledgement NACK；
Described 2nd D2D packet-receiving module 540, is used for when described feedback information is NACK, Receive the re-transmission of described D2D packet.
In a preferred embodiment, the subframe sending feedback information is feedback subframe, and described first sends The rule that module 530 is additionally operable to according to pre-setting determines that the position of described feedback subframe determines described feedback The position of subframe.The described rule pre-set is described feedback subframe and the described D2D packet of reception Having the first predetermined interval between subframe, described first predetermined interval is for fixing time domain interval or being minimum Time domain interval, described first sending module 530 according to receive described D2D packet subframe position and Described first predetermined interval determines the position of described feedback subframe.
Preferably, described device also includes judge module 550, and it is at described first sending module 530 Feedback subframe position is determined according to the subframe position and described first predetermined interval receiving described D2D packet Postpone, it is judged that if having D2D data receiver demand in the feedback subframe determined, then notify described first D2D packet-receiving module 510 and described 2nd D2D packet-receiving module 540 abandon D2D number According to reception；If judging have D2D data transmission demand and described D2D data to send out in the feedback subframe determined During non-described two UE of target UE sent, notify that described first sending module 530 abandons D2D data Send；If judging have D2D data to send demand and the transmission of described D2D data in the feedback subframe determined Target UE when being described two UE, notify described first sending module 530 by described feedback information with Send in feedback subframe after described D2D data-reusing.
Preferably, when the first predetermined interval is minimum time domain interval, described first transceiver module 530 determines The the first available feedback subframe meeting described minimum time domain interval is the feedback subframe sending feedback information, institute State the first available feedback subframe and refer to meet the subframe of at least one following condition: be configured with feedback information and pass Defeated resource or be indicated as the subframe of transmission of feedback information subframe, the cellular communication of a non-described UE Data receiver or transmission subframe, the D2D data receiver of a non-described UE or transmission subframe, non-described The Stochastic accessing subframe of the oneth UE.
In a further advantageous embodiment, described first sending module 530 is additionally operable to according to controlling in signaling Instruction determine the position of described feedback subframe.Instruction in described control signaling includes for indication feedback The parameter of subframe position, or include the parameter for indicating the first feedback interval, between described first feedback Being divided into the interval of the subframe of feedback subframe and reception D2D packet, described first feedback interval is for time fixing Territory is spaced or is minimum time domain interval, and described first sending module 530 is according in described control signaling Instruction determines the position of described feedback subframe.
Preferably, when described first feedback interval is minimum time domain interval, described first transceiver module 530 Determine that the first available feedback subframe meeting described minimum time domain interval is to send feedback of feedback information Frame.
In a further advantageous embodiment, described 2nd D2D packet-receiving module 540 uses with lower section The re-transmission of one of formula described D2D packet of reception:
Mode one, described 2nd D2D packet-receiving module 540 is according to network equipment or second The re-transmission of D2D packet described in the scheduled reception of UE；
Specifically, described 2nd D2D packet-receiving module 540 receives the control that network equipment sends The control signaling that signaling or the 2nd UE send in the resource retransmitted for D2D SA, described control signaling For dispatching the re-transmission of described D2D packet, described 2nd D2D packet-receiving module is according to described control The instruction of signaling processed receives the re-transmission of described D2D packet.Described control signaling includes following parameter Some or all of, for indicating the re-transmission of D2D packet: HARQ process number, new data indicates NDI, redundancy versions RV, the time domain of data re-transmission and/or frequency domain resource allocation of parameters.
Mode two, described 2nd D2D packet-receiving module 540 is at same mixed automatic retransfer HARQ Process receives the re-transmission of D2D packet；
Specifically, described 2nd D2D packet-receiving module 540 is corresponding to same HARQ process Subframe in receive the re-transmission of described D2D data, the subframe corresponding to described same HARQ process is The subframe corresponding to HARQ process of cellular communication uplink or the HARQ for D2D communication enter Subframe corresponding to journey.
Mode three, described 2nd D2D packet-receiving module 540 according to the position of described feedback subframe with And second predetermined interval determine that the re-transmission position of D2D data, described second predetermined interval are described feedback The interval of the re-transmission subframe of frame and D2D packet, described second predetermined interval is fixing time domain interval, institute State the 2nd D2D packet-receiving module 540 and receive D2D data in the re-transmission position of described D2D data The re-transmission of bag.
In a preferred embodiment, a described D2D packet-receiving module 510 receives the 2nd UE The D2D packet sent, including: a described D2D packet-receiving module 510 indicates at bitmap Subframe receives D2D packet；Described 2nd D2D packet-receiving module 540 receives described D2D number According to the re-transmission of bag, including son that described 2nd D2D packet-receiving module 540 indicates at described bitmap Frame receives the re-transmission of described D2D packet；The corresponding HARQ process of each bit in described bitmap.
In one embodiment, the 2nd UE dispensing device as shown in Figure 8, described dispensing device at least may be used To include: transport module 610 and weight transport module 620, wherein:
Described transport module 610, for transmitting D2D packet to a UE；
Described heavy transport module 620, for when receive described oneth UE send for represent verification knot Feedback information and the feedback information of fruit are non-acknowledgement NACK, or receive the use that network equipment sends In the authorization message of instruction D2D data packet retransmission, retransmit defeated described D2D data to a described UE Bag.
It is feedback subframe that a described UE sends the subframe of feedback information.
In a preferred embodiment, described heavy transport module 620 determines institute according to the rule pre-set State the position of feedback subframe, receive described feedback information in described feedback subframe.
The described rule pre-set is between described feedback subframe and the subframe sending described D2D packet Having the 3rd predetermined interval, described 3rd predetermined interval is for fixing time domain interval or being between minimum time domain Every, described heavy transport module 620 is according to the subframe position and the described 3rd sending described D2D packet Predetermined interval determines feedback subframe position.
When described 3rd predetermined interval is minimum time domain interval, described heavy transport module 620 determines and meets institute State the feedback subframe that the second available feedback subframe is receiving feedback information of minimum time domain interval, described second Available feedback subframe refers to meet the subframe of at least one following condition: be configured with transmission of feedback information money Source, the D2D data receiver of non-described 2nd UE or transmission subframe, non-described 2nd UE connects at random Enter subframe.
In a further advantageous embodiment, described heavy transport module 620 is true according to the instruction controlled in signaling The position of fixed described feedback subframe, receives described feedback information in described feedback subframe.
Instruction in described control signaling includes the parameter for indicating described feedback subframe position, or bag Including the parameter for indicating the second feedback interval, described second feedback interval is described feedback subframe and transmission The interval of the subframe of D2D packet, when described second feedback interval is for fixing time domain interval or being minimum Territory is spaced, and described heavy transport module 620 determines the position of described feedback subframe according to the instruction controlled in signaling Put.
When described second feedback interval is minimum time domain interval, described heavy transport module 620 determines and meets institute State the feedback subframe that the second available feedback subframe is receiving feedback information of minimum time domain interval.
In a preferred embodiment, described heavy transport module 620 is in the following ways to a described UE Retransmit defeated described D2D packet:
Mode one, described heavy transport module 620 according to the control signaling that network equipment sends determine for The resource of D2D data packet retransmission, described retransmit in the resource of D2D data packet retransmission defeated described D2D packet；
Mode two, described heavy transport module 620 determines the resource for D2D data packet retransmission, to described Oneth UE sends the control signaling for dispatching described D2D data packet retransmission, described for D2D number Defeated described D2D packet is retransmitted according in the resource that bag retransmits.
Specifically, described heavy transport module 620 in the resource retransmitted for D2D dispatching distribution SA to institute State a UE and send the control signaling for dispatching described D2D data packet retransmission, described heavy transport module 620 retransmit defeated described D2D packet on the retransmission resource of described control signaling instruction.Described control is believed Order includes the some or all of of following parameter, for indicating the re-transmission of D2D packet: HARQ enters Cheng Hao, new data instruction NDI, redundancy versions RV, time domain and/or frequency domain resource that data retransmit are distributed Parameter.
Mode three, described heavy transport module 620 retransmits in same mixed automatic retransfer HARQ process Defeated described D2D packet, the subframe corresponding to described same HARQ process is the up biography of cellular communication The defeated subframe corresponding to HARQ process or the subframe corresponding to the HARQ process of D2D communication；
Mode four, described heavy transport module 620 is true according to position and the 4th predetermined interval of feedback subframe Determining the re-transmission position of D2D data, described 4th predetermined interval is described feedback subframe and D2D packet Retransmitting the interval between subframe, described 4th predetermined interval is fixing time domain interval, described heavy transport module Defeated described D2D packet is retransmitted in the re-transmission position of described D2D data.
In a preferred embodiment, described transport module 610 transmits D2D packet to a UE, Including: the subframe that described transport module 610 indicates at bitmap sends D2D packet；The defeated mould of described re-transmission Block 620 retransmits defeated described D2D packet to a described UE, exists including described heavy transport module 620 The subframe of described bitmap instruction retransmits defeated described D2D packet；Corresponding one of each bit in described bitmap HARQ process.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can To realize with general calculating device, they can concentrate on single calculating device, or distribution On the network that multiple calculating devices are formed, alternatively, they can be with calculating the executable journey of device Sequence code realizes, and performs it is thus possible to be stored in storing in device by calculating device, and And in some cases, can be different from order herein perform shown or described by step, or They are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are made Single integrated circuit module is become to realize.So, the present invention is not restricted to any specific hardware and software In conjunction with.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for this For the technical staff in field, the present invention can have various modifications and variations.All spirit in the present invention and Within principle, any modification, equivalent substitution and improvement etc. made, should be included in the protection of the present invention Within the scope of.

Claims (50)

1. a device-to-device D2D data packet receiving method, it is characterised in that including:
First user equipment UE receives the D2D packet that the 2nd UE sends；
The described D2D packet received is verified and sends for representing check results by the oneth UE Feedback information, described feedback information is for confirming ACK or non-acknowledgement NACK, if described feedback information It is NACK, then receives the re-transmission of described D2D packet.
Method the most according to claim 1, it is characterised in that
The subframe sending feedback information is feedback subframe, and a described UE is according to the rule pre-set really Determine the position of described feedback subframe or determine the position of described feedback subframe according to the instruction controlled in signaling Put.
Method the most according to claim 2, it is characterised in that
A described UE determines the position of described feedback subframe according to the rule pre-set, including:
The described rule pre-set is between described feedback subframe and the subframe receiving described D2D packet Having the first predetermined interval, described first predetermined interval is for fixing time domain interval or being between minimum time domain Between, a described UE presets according to the subframe position and described first that receive described D2D packet Every the position determining described feedback subframe.
Method the most according to claim 3, it is characterised in that
A described UE is according to receiving between the subframe position of described D2D packet and described first presets In time determining feedback subframe position, described method also includes:
When having D2D data receiver demand in the feedback subframe determined, a described UE abandons D2D number According to reception；When having D2D data to send demand and the mesh of described D2D data transmission in the feedback subframe determined During mark non-described two UE of UE, a described UE abandons D2D data and sends；When anti-determine Target UE that feedback subframe has D2D data to send demand and the transmission of described D2D data is described 2nd UE Time, described feedback information is sent after described D2D data-reusing by a described UE in feedback subframe.
Method the most according to claim 2, it is characterised in that
A described UE determines the position of described feedback subframe according to the instruction controlled in signaling, including:
Instruction in described control signaling includes the parameter for indication feedback subframe position, or includes using In indicating the parameter of the first feedback interval, described first feedback interval for feedback subframe with receive D2D data The interval of the subframe of bag, described first feedback interval is fixing time domain interval or is minimum time domain interval, A described UE determines the position of described feedback subframe according to the instruction in described control signaling.
6. according to the method described in claim 3 or 5, it is characterised in that
A described UE determines the position of described feedback subframe according to minimum time domain interval, including:
Determine that the first available feedback subframe meeting described minimum time domain interval is the feedback sending feedback information Subframe, described first available feedback subframe refers to meet the subframe of at least one following condition: be configured with anti- Feedforward information transfer resource or be indicated as the subframe of transmission of feedback information subframe, a non-described UE's Cellular communication data receiver or transmission subframe, the D2D data receiver of a non-described UE or transmission Frame, the Stochastic accessing subframe of a non-described UE.
7. according to the method described in any claim in claim 1-5, it is characterised in that
A described UE receives the re-transmission of described D2D packet, including:
A described UE is according to D2D packet described in the scheduled reception of network equipment or the 2nd UE Re-transmission；Or,
A described UE receives the weight of D2D packet in same mixed automatic retransfer HARQ process Pass；Or,
A described UE determines D2D data according to position and second predetermined interval of described feedback subframe Re-transmission position, described second predetermined interval is the re-transmission subframe of described feedback subframe and D2D packet Interval, described second predetermined interval is fixing time domain interval, and a described UE is in described D2D data Retransmit position and receive the re-transmission of D2D packet.
Method the most according to claim 7, it is characterised in that
A described UE is according to D2D packet described in the scheduled reception of network equipment or the 2nd UE Re-transmission, including:
The control signaling of a described UE reception network equipment transmission or the 2nd UE are for D2D The control signaling that the resource that dispatching distribution SA retransmits sends, described control signaling is used for dispatching described D2D The re-transmission of packet, a described UE receives described D2D packet according to the instruction of described control signaling Re-transmission.
Method the most according to claim 8, it is characterised in that
Described control signaling includes the some or all of of following parameter, for indicating D2D packet Retransmit: HARQ process number, new data instruction NDI, redundancy versions RV, data retransmit time domain and/ Or frequency domain resource allocation of parameters.
Method the most according to claim 7, it is characterised in that
A described UE receives the weight of D2D packet in same mixed automatic retransfer HARQ process Pass, including:
A described UE receives described D2D data in the subframe corresponding to same HARQ process Retransmitting, the HARQ that subframe is cellular communication uplink corresponding to described same HARQ process enters Subframe corresponding to journey or the subframe corresponding to the HARQ process of D2D communication.
11. methods according to claim 1, it is characterised in that
A described UE receives the D2D packet that the 2nd UE sends, including: a described UE exists The subframe of bitmap instruction receives D2D packet；
A described UE receives the re-transmission of described D2D packet, including: a described UE is described The subframe of bitmap instruction receives the re-transmission of described D2D packet；
The corresponding HARQ process of each bit in described bitmap.
12. 1 kinds of device-to-device D2D data packet sending methods, it is characterised in that including:
2nd UE transmits D2D packet to a UE；
When receiving feedback information and the feedback information for representing check results that a described UE sends For non-acknowledgement NACK, or receive that network equipment sends for indicating D2D data packet retransmission Authorization message, retransmits defeated described D2D packet to a described UE.
13. methods according to claim 12, it is characterised in that
It is feedback subframe that a described UE sends the subframe of feedback information, and described 2nd UE is according to setting in advance The rule put determines the position of described feedback subframe or determines described feedback according to the instruction controlled in signaling The position of subframe, receives described feedback information in described feedback subframe.
14. methods according to claim 13, it is characterised in that
Described 2nd UE determines the position of described feedback subframe according to the rule pre-set, including:
The described rule pre-set is between described feedback subframe and the subframe sending described D2D packet Having the 3rd predetermined interval, described 3rd predetermined interval is for fixing time domain interval or being between minimum time domain Between, described 2nd UE presets according to the subframe position and the described 3rd that send described D2D packet Every determining feedback subframe position.
15. methods according to claim 13, it is characterised in that
Described 2nd UE determines the position of described feedback subframe according to the instruction controlled in signaling, including:
Instruction in described control signaling includes the parameter for indicating described feedback subframe position, or bag Including the parameter for indicating the second feedback interval, described second feedback interval is described feedback subframe and transmission The interval of the subframe of D2D packet, when described second feedback interval is for fixing time domain interval or being minimum Territory is spaced, and described 2nd UE determines the position of described feedback subframe according to the instruction controlled in signaling.
16. according to the method described in claims 14 or 15, it is characterised in that
Described 2nd UE determines the position of described feedback subframe according to minimum time domain interval, comprises determining that full The feedback subframe that second available feedback subframe is receiving feedback information of the described minimum time domain interval of foot, described Second available feedback subframe refers to meet the subframe of at least one following condition: be configured with transmission of feedback information Resource, the D2D data receiver of non-described 2nd UE or transmission subframe, non-described 2nd UE's is random Access subframe.
17. according to the method described in any claim in claim 12-15, it is characterised in that
Described to described oneth UE retransmit defeated described D2D packet, including:
The control signaling that described 2nd UE sends according to network equipment determines for D2D data packet retransmission Resource, in the resource of D2D data packet retransmission, retransmit defeated described D2D packet described；Or,
Described 2nd UE determines the resource for D2D data packet retransmission, sends to a described UE and uses In the control signaling of the described D2D data packet retransmission of scheduling, in the described resource for D2D data packet retransmission The defeated described D2D packet of middle re-transmission.
18. according to the method described in claim 12-15 any claim, it is characterised in that
Described to described oneth UE retransmit defeated described D2D packet, including:
Described 2nd UE retransmits defeated described D2D data in same mixed automatic retransfer HARQ process Bag, the HARQ process that subframe is cellular communication uplink corresponding to described same HARQ process Corresponding subframe or the subframe corresponding to the HARQ process of D2D communication；Or
Described 2nd UE determines the weight of D2D data according to the position and the 4th predetermined interval of feeding back subframe Open position is put, and described 4th predetermined interval is between described feedback subframe and the re-transmission subframe of D2D packet Interval, described 4th predetermined interval is fixing time domain interval, and described 2nd UE is in described D2D data Retransmit position and retransmit defeated described D2D packet.
19. methods according to claim 17, it is characterised in that
Described 2nd UE determines the resource for D2D data packet retransmission, sends to a described UE and uses In the control signaling of the described D2D data packet retransmission of scheduling, in the described resource for D2D data packet retransmission The defeated described D2D packet of middle re-transmission, including:
Described 2nd UE sends to a described UE in the resource retransmitted for D2D dispatching distribution SA For dispatching the control signaling of described D2D data packet retransmission, described 2nd UE refers in described control signaling Defeated described D2D packet is retransmitted on the retransmission resource shown.
20. methods according to claim 17, it is characterised in that
Described control signaling includes the some or all of of following parameter, for indicating D2D packet Retransmit: HARQ process number, new data instruction NDI, redundancy versions RV, data retransmit time domain and/ Or frequency domain resource allocation of parameters.
21. methods according to claim 12, it is characterised in that
Described 2nd UE transmits D2D packet to a UE, including: described 2nd UE is at bitmap The subframe of instruction sends D2D packet；
Described 2nd UE retransmits defeated described D2D packet to a described UE, including: described second The subframe that UE indicates at described bitmap retransmits defeated described D2D packet；
The corresponding HARQ process of each bit in described bitmap.
22. 1 kinds of device-to-device D2D client/server adaptation schemes, it is characterised in that including:
Network equipment sends the first authorization message, described first authorization message to the second user equipment (UE) D2D packet is sent to a UE for dispatching described 2nd UE；
Receive the feedback information for representing described D2D packet check results that a described UE sends, Described feedback information is for confirming ACK or non-acknowledgement NACK；
If the described feedback information received is NACK, send the second mandate letter to described 2nd UE Breath, described second authorization message is used for dispatching described 2nd UE and retransmits defeated described D2D packet.
23. methods according to claim 22, it is characterised in that
Receive the feedback information for representing described D2D packet check results that a described UE sends, Including:
Described network equipment determines and sends have the 5th predetermined interval between the subframe of D2D packet Subframe is the feedback subframe that a UE sends feedback information, between described 5th predetermined interval is for fixing time domain Every or be minimum time domain interval, described network equipment receives a described UE in described feedback subframe and sends out The feedback information sent.
24. methods according to claim 23, it is characterised in that
Described network equipment determines and sends have the 5th predetermined interval between the subframe of D2D packet Subframe is the feedback subframe that a UE sends feedback information, including:
Described network equipment determines that the sub-frame interval one with a described UE transmission D2D packet is fixed The subframe of time interval is the feedback subframe of receiving feedback information；Or,
The interval of the subframe that described network equipment determines and a described UE sends D2D packet meets The feedback subframe that 3rd available feedback subframe is receiving feedback information of minimum time domain interval, the described 3rd can Refer to meet the subframe of at least one following condition by feedback subframe: be configured with transmission of feedback information resource, The D2D data receiver of a non-described UE or transmission subframe, the D2D data of non-described 2nd UE connect Receive or send subframe, nonrandom access subframe.
25. methods according to claim 22, it is characterised in that
If described feedback information is NACK, described method also includes: described network equipment is to described Oneth UE sends control signaling, and described control signaling is used for dispatching a described UE and receives D2D data The re-transmission of bag；
Described control signaling includes the some or all of of following parameter, for indicating D2D packet Retransmit: HARQ process number, new data instruction NDI, redundancy versions RV, data retransmit time domain and/ Or frequency domain resource allocation of parameters.
26. 1 kinds of device-to-device D2D packets receive device, it is characterised in that include a D2D Packet-receiving module, correction verification module, the first sending module and the 2nd D2D packet-receiving module, its In:
A described D2D packet-receiving module, for receiving the D2D packet that the 2nd UE sends；
Described correction verification module, for verifying described D2D packet；
Described first sending module, for sending the feedback information for representing check results, described feedback Information is for confirming ACK or non-acknowledgement NACK；
Described 2nd D2D packet-receiving module, for when described feedback information is NACK, receives The re-transmission of described D2D packet.
27. devices according to claim 26, it is characterised in that
The subframe sending feedback information is additionally operable to according to setting in advance for feedback subframe, described first sending module The rule put determines the position of described feedback subframe or determines described feedback according to the instruction controlled in signaling The position of subframe.
28. devices according to claim 27, it is characterised in that
Described first sending module determines the position of described feedback subframe according to the rule pre-set, bag Include:
The described rule pre-set is between described feedback subframe and the subframe receiving described D2D packet Having the first predetermined interval, described first predetermined interval is for fixing time domain interval or being between minimum time domain Every, described first sending module according to receiving the subframe position of described D2D packet and described first pre- If interval determines the position of described feedback subframe.
29. devices according to claim 28, it is characterised in that
Described device also includes judge module, and it is for according to receiving at described first sending module After the subframe position of D2D packet and described first predetermined interval determine feedback subframe position, it is judged that as Fruit has D2D data receiver demand in the feedback subframe determined, then notify that a described D2D packet receives Module and described 2nd D2D packet-receiving module abandon D2D data receiver；If judging determining Feedback subframe has D2D data to send demand and target UE non-described second of described D2D data transmission During UE, notify that described first sending module is abandoned D2D data and sent；If judged in the feedback determined Target UE that subframe has D2D data to send demand and the transmission of described D2D data is described 2nd UE Time, notify that described feedback information is being fed back son after described D2D data-reusing by described first sending module Frame sends.
30. devices according to claim 27, it is characterised in that
Described first sending module determines the position of described feedback subframe, bag according to the instruction controlled in signaling Include:
Instruction in described control signaling includes the parameter for indication feedback subframe position, or includes using In indicating the parameter of the first feedback interval, described first feedback interval for feedback subframe with receive D2D data The interval of the subframe of bag, described first feedback interval is fixing time domain interval or is minimum time domain interval, Described first sending module determines the position of described feedback subframe according to the instruction in described control signaling.
31. according to the device described in claim 28 or 30, it is characterised in that
Described first transceiver module determines the position of described feedback subframe according to minimum time domain interval, including:
Described first transceiver module determines that the first available feedback subframe meeting described minimum time domain interval is for sending out The feedback subframe of feedback information, described first available feedback subframe is sent to refer to meet at least one following condition Subframe: be configured with transmission of feedback information resource or be indicated as the subframe of transmission of feedback information subframe, The cellular communication data receiver of a non-described UE or transmission subframe, the D2D number of a non-described UE According to receiving or sending subframe, the Stochastic accessing subframe of a non-described UE.
32. according to the device described in any claim in claim 26-30, it is characterised in that
Described 2nd D2D packet-receiving module receives the re-transmission of described D2D packet, including:
Described 2nd D2D packet-receiving module is according to network equipment or the scheduled reception of the 2nd UE The re-transmission of described D2D packet；Or,
Described 2nd D2D packet-receiving module receives in same mixed automatic retransfer HARQ process The re-transmission of D2D packet；Or,
Between described 2nd D2D packet-receiving module is preset according to the position of described feedback subframe and second Every determining the re-transmission position of D2D data, described second predetermined interval is described feedback subframe and D2D data The interval of the re-transmission subframe of bag, described second predetermined interval is fixing time domain interval, described 2nd D2D number The re-transmission of D2D packet is received in the position that retransmits of described D2D data according to bag receiver module.
33. devices according to claim 32, it is characterised in that
Described 2nd D2D packet-receiving module is according to network equipment or the scheduled reception of the 2nd UE The re-transmission of described D2D packet, including:
Described 2nd D2D packet-receiving module receives the control signaling or second that network equipment sends The control signaling that UE sends in the resource that retransmits for D2D SA, described control signaling is used for dispatching described The re-transmission of D2D packet, described 2nd D2D packet-receiving module is according to the instruction of described control signaling Receive the re-transmission of described D2D packet.
34. devices according to claim 33, it is characterised in that
Described control signaling includes the some or all of of following parameter, for indicating D2D packet Retransmit: HARQ process number, new data instruction NDI, redundancy versions RV, data retransmit time domain and/ Or frequency domain resource allocation of parameters.
35. devices according to claim 32, it is characterised in that
Described 2nd D2D packet-receiving module receives in same mixed automatic retransfer HARQ process The re-transmission of D2D packet, including:
Described 2nd D2D packet-receiving module receives in the subframe corresponding to same HARQ process The re-transmission of described D2D data, the subframe corresponding to described same HARQ process is that cellular communication is up The subframe corresponding to HARQ process of transmission or the son corresponding to the HARQ process of D2D communication Frame.
36. methods according to claim 26, it is characterised in that
A described D2D packet-receiving module receives the D2D packet that the 2nd UE sends, including: The subframe that a described D2D packet-receiving module indicates at bitmap receives D2D packet；
Described 2nd D2D packet-receiving module receives the re-transmission of described D2D packet, including: described 2nd D2D packet-receiving module receives the weight of described D2D packet in the subframe that described bitmap indicates Pass；
The corresponding HARQ process of each bit in described bitmap.
37. 1 kinds of device-to-device D2D packet dispensing devices, it is characterised in that include transport module With weight transport module, wherein:
Described transport module, for transmitting D2D packet to a UE；
Described heavy transport module, for when receive described oneth UE send for representing check results Feedback information and feedback information are non-acknowledgement NACK, or receive network equipment send for referring to Show the authorization message of D2D data packet retransmission, retransmit defeated described D2D packet to a described UE.
38. according to the device described in claim 37, it is characterised in that
It is feedback subframe that a described UE sends the subframe of feedback information, and described heavy transport module is according to pre- The rule first arranged determines the position of described feedback subframe or determines according to the instruction controlled in signaling described The position of feedback subframe, receives described feedback information in described feedback subframe.
39. according to the device described in claim 38, it is characterised in that
Described heavy transport module determines the position of described feedback subframe according to the rule pre-set, including:
The described rule pre-set is between described feedback subframe and the subframe sending described D2D packet Having the 3rd predetermined interval, described 3rd predetermined interval is for fixing time domain interval or being between minimum time domain Every, described heavy transport module is preset according to the subframe position and the described 3rd that send described D2D packet Interval determines feedback subframe position.
40. according to the device described in claim 38, it is characterised in that
Described heavy transport module determines the position of described feedback subframe, bag according to the instruction controlled in signaling Include:
Instruction in described control signaling includes the parameter for indicating described feedback subframe position, or bag Including the parameter for indicating the second feedback interval, described second feedback interval is described feedback subframe and transmission The interval of the subframe of D2D packet, when described second feedback interval is for fixing time domain interval or being minimum Territory is spaced, and described heavy transport module determines the position of described feedback subframe according to the instruction controlled in signaling.
41. according to the device described in claim 39 or 40, it is characterised in that
Described heavy transport module determines the position of described feedback subframe according to minimum time domain interval, including: really Surely the feedback subframe that the second available feedback subframe is receiving feedback information of described minimum time domain interval is met, Described second available feedback subframe refers to meet the subframe of at least one following condition: be configured with feedback information Transfer resource, the D2D data receiver of non-described 2nd UE or transmission subframe, non-described 2nd UE's Stochastic accessing subframe.
42. according to the device described in any claim in claim 37-40, it is characterised in that
Described heavy transport module retransmits defeated described D2D packet to a described UE, including:
Described heavy transport module determines for D2D packet weight according to the control signaling that network equipment sends The resource passed, retransmits defeated described D2D packet described in the resource of D2D data packet retransmission；Or Person,
Described heavy transport module determines the resource for D2D data packet retransmission, sends to a described UE For dispatching the control signaling of described D2D data packet retransmission, in the described money for D2D data packet retransmission Source retransmits defeated described D2D packet.
43. according to the device described in claim 37-40 any claim, it is characterised in that
Described heavy transport module retransmits defeated described D2D packet to a described UE, including:
Described heavy transport module retransmits defeated described D2D number in same mixed automatic retransfer HARQ process According to bag, the HARQ that subframe is cellular communication uplink corresponding to described same HARQ process enters Subframe corresponding to journey or the subframe corresponding to the HARQ process of D2D communication；Or
Described heavy transport module determines D2D data according to position and the 4th predetermined interval of feedback subframe Retransmitting position, described 4th predetermined interval is between described feedback subframe and the re-transmission subframe of D2D packet Interval, described 4th predetermined interval is fixing time domain interval, and described heavy transport module is at described D2D number According to re-transmission position retransmit defeated described D2D packet.
44. devices according to claim 42, it is characterised in that
Described heavy transport module determines the resource for D2D data packet retransmission, sends to a described UE For dispatching the control signaling of described D2D data packet retransmission, in the described money for D2D data packet retransmission Source retransmits defeated described D2D packet, including:
Described heavy transport module is sent out to a described UE in the resource retransmitted for D2D dispatching distribution SA Sending the control signaling for dispatching described D2D data packet retransmission, described heavy transport module controls letter described Defeated described D2D packet is retransmitted on the retransmission resource of order instruction.
45. devices according to claim 42, it is characterised in that
Described control signaling includes the some or all of of following parameter, for indicating D2D packet Retransmit: HARQ process number, new data instruction NDI, redundancy versions RV, data retransmit time domain and/ Or frequency domain resource allocation of parameters.
46. according to the device described in claim 37, it is characterised in that
Described transport module transmits D2D packet to a UE, including: described transport module is at bitmap The subframe of instruction sends D2D packet；
Described heavy transport module retransmits defeated described D2D packet, including described re-transmission to a described UE The subframe that defeated module indicates at described bitmap retransmits defeated described D2D packet；
The corresponding HARQ process of each bit in described bitmap.
47. 1 kinds of device-to-device D2D channel scheduling devices, it is characterised in that include the first scheduling mould Block, feedback information receiver module and the second scheduler module, wherein:
Described first scheduler module, for sending the first authorization message to the second user equipment (UE), described the One authorization message is used for dispatching described 2nd UE and sends D2D packet to a UE；
Described feedback information receiver module, for receive described oneth UE send for representing described D2D The feedback information of packet check results, described feedback information is for confirming ACK or non-acknowledgement NACK；
Described second scheduler module, when the described feedback information received is NACK, for described the Two UE send the second authorization message, and described second authorization message is used for dispatching described 2nd UE and retransmits defeated institute State D2D packet.
48. devices according to claim 47, it is characterised in that
What the described UE of described feedback information receiver module reception sent is used for representing described D2D data The feedback information of bag check results, including:
Described feedback information receiver module determine and send have between the subframe of D2D packet the 5th preset The subframe at interval is the feedback subframe that a UE sends feedback information, and described 5th predetermined interval is fixing Time domain interval or be minimum time domain interval, described feedback information receiver module receives in described feedback subframe The feedback information that a described UE sends.
49. devices according to claim 48, it is characterised in that
Described feedback information receiver module determine and send have between the subframe of D2D packet the 5th preset The subframe at interval is the feedback subframe that a UE sends feedback information, including:
Described feedback information receiver module determines and the sub-frame interval of a described UE transmission D2D packet The subframe of one Fixed Time Interval is the feedback subframe of receiving feedback information；Or,
Described feedback information receiver module determines and between the subframe of a described UE transmission D2D packet Every the feedback subframe that the 3rd available feedback subframe is receiving feedback information of satisfied minimum time domain interval, described 3rd available feedback subframe refers to meet the subframe of at least one following condition: be configured with transmission of feedback information Resource, the D2D data receiver of a non-described UE or transmission subframe, the D2D of non-described 2nd UE Data receiver or transmission subframe, nonrandom access subframe.
50. devices according to claim 47, it is characterised in that
When described feedback information is NACK, described second scheduler module is additionally operable to a described UE Sending control signaling, described control signaling receives the re-transmission of D2D packet for dispatching a described UE；
Described control signaling includes the some or all of of following parameter, for indicating D2D packet Retransmit: HARQ process number, new data instruction NDI, redundancy versions RV, data retransmit time domain and/ Or frequency domain resource allocation of parameters.
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Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107223362A (en) * 2017-04-28 2017-09-29 北京小米移动软件有限公司 Data transmission method and device
CN107733574A (en) * 2016-08-11 2018-02-23 北京信威通信技术股份有限公司 A kind of feedback method and device of device-to-device communication
CN108023690A (en) * 2016-11-04 2018-05-11 电信科学技术研究院 The method and device of dynamic HARQ-ACK feedbacks
WO2018145296A1 (en) * 2017-02-10 2018-08-16 华为技术有限公司 Method for data transmission, related device, and system
WO2018171540A1 (en) * 2017-03-23 2018-09-27 中兴通讯股份有限公司 Information transmission method, device, system and storage medium
WO2019019184A1 (en) * 2017-07-28 2019-01-31 Panasonic Intellectual Property Corporation Of America Communication apparatus and communication method
WO2019091224A1 (en) * 2017-11-10 2019-05-16 华为技术有限公司 Method for transmitting response information, communication device and network device
CN109802770A (en) * 2017-11-17 2019-05-24 中兴通讯股份有限公司 HARQ feedback and signal processing method, communication node, readable storage medium storing program for executing
WO2019127154A1 (en) * 2017-12-27 2019-07-04 Oppo广东移动通信有限公司 Method and device for information feedback, and computer storage medium
CN110061822A (en) * 2018-12-03 2019-07-26 中国信息通信研究院 A kind of car networking unicast communication channels, communication means and mobile terminal
WO2019148504A1 (en) * 2018-02-05 2019-08-08 Oppo广东移动通信有限公司 Data transmission method and device, and computer storage medium
CN110291739A (en) * 2017-02-17 2019-09-27 瑞典爱立信有限公司 Sidelinks resource signaling
CN110890942A (en) * 2018-09-07 2020-03-17 维沃移动通信有限公司 Side link information feedback method and terminal
WO2020057500A1 (en) * 2018-09-18 2020-03-26 华为技术有限公司 Method and apparatus for transmitting data
WO2020061934A1 (en) * 2018-09-27 2020-04-02 Lenovo (Beijing) Limited Method and apparatus for device-to-device communication
WO2020088049A1 (en) * 2018-11-02 2020-05-07 电信科学技术研究院有限公司 Internet of vehicles data transmission method, transmission terminal and network side device
CN111148281A (en) * 2018-11-02 2020-05-12 电信科学技术研究院有限公司 Retransmission request method, terminal and network side device for Internet of vehicles
CN111148077A (en) * 2018-11-02 2020-05-12 华为技术有限公司 Transmission method and 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
CN111163437A (en) * 2018-11-08 2020-05-15 电信科学技术研究院有限公司 Communication monitoring method and communication equipment
CN111385066A (en) * 2018-12-28 2020-07-07 海能达通信股份有限公司 Hybrid automatic retransmission method, data sending end, data receiving end and retransmission system
WO2020143731A1 (en) * 2019-01-11 2020-07-16 华为技术有限公司 Method for transmitting data, communication device and network device
WO2020155183A1 (en) * 2019-02-03 2020-08-06 Oppo广东移动通信有限公司 Radio communication method, network device, and terminal device
CN111865480A (en) * 2019-04-28 2020-10-30 大唐移动通信设备有限公司 Straight-through link transmission method and terminal
CN111865502A (en) * 2019-04-28 2020-10-30 华为技术有限公司 Communication method and device
CN112118542A (en) * 2019-06-21 2020-12-22 ***通信有限公司研究院 Multicast processing method, device and communication equipment
CN112398596A (en) * 2019-08-16 2021-02-23 华为技术有限公司 Method, device and system for processing sidelink resources
CN112583537A (en) * 2019-09-30 2021-03-30 维沃移动通信有限公司 Indication and determination method and device for HARQ (hybrid automatic repeat request) feedback mode
CN112788727A (en) * 2019-11-07 2021-05-11 大唐移动通信设备有限公司 Method and equipment for adjusting transmission parameters of direct communication interface
WO2021151245A1 (en) * 2020-01-31 2021-08-05 Apple Inc. Radio Link Monitoring for Sidelink
WO2021159573A1 (en) * 2020-02-14 2021-08-19 Oppo广东移动通信有限公司 Information processing method and apparatus, and storage medium, processor and electronic apparatus
CN113364561A (en) * 2019-07-08 2021-09-07 展讯通信（上海）有限公司 Multicast feedback resource determination method and device, storage medium and user equipment
CN113439403A (en) * 2019-02-13 2021-09-24 索尼集团公司 Electronic device, wireless communication method, and computer-readable medium
CN113439404A (en) * 2019-02-14 2021-09-24 创新技术实验室株式会社 Method and apparatus for supporting HARQ retransmission in wireless communication system
CN113517955A (en) * 2020-04-10 2021-10-19 大唐高鸿数据网络技术股份有限公司 Information sending and receiving method, sending equipment and receiving equipment
CN113595688A (en) * 2018-08-10 2021-11-02 北京小米移动软件有限公司 Feedback information transmission method, device and system between Internet of vehicles equipment
CN113890692A (en) * 2019-06-28 2022-01-04 Oppo广东移动通信有限公司 Transmission method and transmission device of sidelink
WO2022011718A1 (en) * 2020-07-17 2022-01-20 华为技术有限公司 Communication method and apparatus
US11258550B2 (en) 2018-01-02 2022-02-22 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Feedback information sending or receiving methods, devices and system
US12003326B2 (en) 2018-09-18 2024-06-04 Huawei Technologies Co., Ltd. Data transmission method and apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019093934A1 (en) 2017-11-10 2019-05-16 Telefonaktiebolaget Lm Ericsson (Publ) A radio access network node, wireless devices, methods and software for device-to-device communication
KR20210057736A (en) * 2018-09-10 2021-05-21 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 Method and device for transmitting feedback information and method and device for retransmitting data
EP3878120A4 (en) * 2018-11-08 2022-06-15 Lenovo (Beijing) Limited Method and apparatus for dtx detection for sidelink groupcast transmission
WO2020206616A1 (en) * 2019-04-09 2020-10-15 北京小米移动软件有限公司 Method and device for retransmitting feedback for direct-connection communication, and storage medium
CN112054874B (en) * 2019-06-05 2022-03-29 上海朗帛通信技术有限公司 Method and apparatus in a node used for wireless communication
CN114866199A (en) * 2021-01-19 2022-08-05 大唐移动通信设备有限公司 Information determination method, device and storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013115567A1 (en) * 2012-01-30 2013-08-08 엘지전자 주식회사 Method for transmitting and receiving feedback information on d2d transmission data in wireless communication system for supporting d2d communication and apparatus therefor
WO2013143440A1 (en) * 2012-03-26 2013-10-03 中兴通讯股份有限公司 Device-to-device communication method and apparatus
CN103731245A (en) * 2012-10-16 2014-04-16 中兴通讯股份有限公司 Confirming/non-confirming feedback information transmission method and device
CN104104485A (en) * 2013-04-11 2014-10-15 普天信息技术研究院有限公司 D2D data transmission method
US20140328329A1 (en) * 2013-05-01 2014-11-06 Samsung Electronics Co., Ltd. Methods and apparatus for device-to-device communications system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8107883B2 (en) * 2009-03-23 2012-01-31 Nokia Corporation Apparatus and method for interference avoidance in mixed device-to-device and cellular environment
US9445446B2 (en) * 2012-07-09 2016-09-13 Industrial Technology Research Institute Method and apparatus for device to device communication
CN109041249A (en) * 2012-11-27 2018-12-18 华为技术有限公司 Data transmission method, device, the network equipment and UE
US9402262B2 (en) * 2013-03-14 2016-07-26 Fujitsu Limited Wireless resource allocation of device-to-device communication

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013115567A1 (en) * 2012-01-30 2013-08-08 엘지전자 주식회사 Method for transmitting and receiving feedback information on d2d transmission data in wireless communication system for supporting d2d communication and apparatus therefor
WO2013143440A1 (en) * 2012-03-26 2013-10-03 中兴通讯股份有限公司 Device-to-device communication method and apparatus
CN103731245A (en) * 2012-10-16 2014-04-16 中兴通讯股份有限公司 Confirming/non-confirming feedback information transmission method and device
CN104104485A (en) * 2013-04-11 2014-10-15 普天信息技术研究院有限公司 D2D data transmission method
US20140328329A1 (en) * 2013-05-01 2014-11-06 Samsung Electronics Co., Ltd. Methods and apparatus for device-to-device communications system

Cited By (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107733574A (en) * 2016-08-11 2018-02-23 北京信威通信技术股份有限公司 A kind of feedback method and device of device-to-device communication
CN108023690A (en) * 2016-11-04 2018-05-11 电信科学技术研究院 The method and device of dynamic HARQ-ACK feedbacks
WO2018082554A1 (en) * 2016-11-04 2018-05-11 电信科学技术研究院 Method and device for dynamically feeding back harq-ack
US11096200B2 (en) 2017-02-10 2021-08-17 Huawei Technologies Co., Ltd. Methods, devices and systems for device to device (D2D) data transmission and retransmission
WO2018145296A1 (en) * 2017-02-10 2018-08-16 华为技术有限公司 Method for data transmission, related device, and system
CN110226341A (en) * 2017-02-10 2019-09-10 华为技术有限公司 A kind of method, relevant device and the system of data transmission
EP3790261A1 (en) * 2017-02-10 2021-03-10 Huawei Technologies Co., Ltd. Data transmission method, related device, and system
CN110291739B (en) * 2017-02-17 2022-04-29 瑞典爱立信有限公司 Method and device for transmitting side link resource signaling and computer readable medium
US11316625B2 (en) 2017-02-17 2022-04-26 Telefonaktiebolaget Lm Ericsson (Publ) Sidelink resource signaling
CN110291739A (en) * 2017-02-17 2019-09-27 瑞典爱立信有限公司 Sidelinks resource signaling
WO2018171540A1 (en) * 2017-03-23 2018-09-27 中兴通讯股份有限公司 Information transmission method, device, system and storage medium
CN108923894A (en) * 2017-03-23 2018-11-30 中兴通讯股份有限公司 A kind of methods, devices and systems of information transmission
US11641570B2 (en) 2017-03-23 2023-05-02 Zte Corporation Information transmission method, device, system and storage medium
CN107223362A (en) * 2017-04-28 2017-09-29 北京小米移动软件有限公司 Data transmission method and device
WO2019019184A1 (en) * 2017-07-28 2019-01-31 Panasonic Intellectual Property Corporation Of America Communication apparatus and communication method
CN110870365A (en) * 2017-07-28 2020-03-06 松下电器（美国）知识产权公司 Communication apparatus and communication method
CN110870365B (en) * 2017-07-28 2023-07-04 松下电器（美国）知识产权公司 Communication device and communication method
CN109788453B (en) * 2017-11-10 2022-01-14 华为技术有限公司 Transmission method of response information, communication equipment and network equipment
CN109788453A (en) * 2017-11-10 2019-05-21 华为技术有限公司 A kind of transmission method of response message, communication equipment and the network equipment
WO2019091224A1 (en) * 2017-11-10 2019-05-16 华为技术有限公司 Method for transmitting response information, communication device and network device
CN114422089A (en) * 2017-11-10 2022-04-29 华为技术有限公司 Transmission method of response information, communication equipment and network equipment
US11812455B2 (en) 2017-11-10 2023-11-07 Huawei Technologies Co., Ltd. Response information transmission method, communications device, and network device
US11452106B2 (en) 2017-11-10 2022-09-20 Huawei Technologies Co., Ltd. Response information transmission method, communications device, and network device
CN109802770A (en) * 2017-11-17 2019-05-24 中兴通讯股份有限公司 HARQ feedback and signal processing method, communication node, readable storage medium storing program for executing
US11489634B2 (en) 2017-11-17 2022-11-01 Zte Corporation HARQ feedback processing method, signal processing method, communication node, and computer readable storage medium
CN109802770B (en) * 2017-11-17 2023-09-05 中兴通讯股份有限公司 HARQ feedback and signal processing method, communication node, and readable storage medium
CN111901781A (en) * 2017-12-27 2020-11-06 Oppo广东移动通信有限公司 Information feedback method and device and computer storage medium
US11412469B2 (en) 2017-12-27 2022-08-09 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method and device for selecting transmission time used to send feedback information
CN111901781B (en) * 2017-12-27 2023-03-24 Oppo广东移动通信有限公司 Information feedback method and device and computer storage medium
WO2019127154A1 (en) * 2017-12-27 2019-07-04 Oppo广东移动通信有限公司 Method and device for information feedback, and computer storage medium
US11258550B2 (en) 2018-01-02 2022-02-22 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Feedback information sending or receiving methods, devices and system
WO2019148504A1 (en) * 2018-02-05 2019-08-08 Oppo广东移动通信有限公司 Data transmission method and device, and computer storage medium
CN113595688A (en) * 2018-08-10 2021-11-02 北京小米移动软件有限公司 Feedback information transmission method, device and system between Internet of vehicles equipment
CN110890942B (en) * 2018-09-07 2023-09-12 维沃移动通信有限公司 Side link information feedback method and terminal
CN110890942A (en) * 2018-09-07 2020-03-17 维沃移动通信有限公司 Side link information feedback method and terminal
WO2020057500A1 (en) * 2018-09-18 2020-03-26 华为技术有限公司 Method and apparatus for transmitting data
US12003326B2 (en) 2018-09-18 2024-06-04 Huawei Technologies Co., Ltd. Data transmission method and apparatus
WO2020061934A1 (en) * 2018-09-27 2020-04-02 Lenovo (Beijing) Limited Method and apparatus for device-to-device communication
CN112673585B (en) * 2018-09-27 2022-12-09 联想(北京)有限公司 Method and apparatus for device-to-device communication
CN112673585A (en) * 2018-09-27 2021-04-16 联想(北京)有限公司 Method and apparatus for device-to-device communication
US11777668B2 (en) 2018-09-27 2023-10-03 Lenovo (Beijing) Limited Method and apparatus for device-to-device communication based on a threshold
CN111148077B (en) * 2018-11-02 2021-06-29 华为技术有限公司 Transmission method and device
US11984989B2 (en) 2018-11-02 2024-05-14 Huawei Technologies Co., Ltd. Transmission method and apparatus
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
CN111148281B (en) * 2018-11-02 2022-06-28 大唐移动通信设备有限公司 Retransmission request method, terminal and network side equipment of Internet of vehicles
WO2020088049A1 (en) * 2018-11-02 2020-05-07 电信科学技术研究院有限公司 Internet of vehicles data transmission method, transmission terminal and network side device
CN111147202A (en) * 2018-11-02 2020-05-12 电信科学技术研究院有限公司 Data transmission method, sending terminal and network side equipment of Internet of vehicles
CN111148281A (en) * 2018-11-02 2020-05-12 电信科学技术研究院有限公司 Retransmission request method, terminal and network side device for Internet of vehicles
CN111148077A (en) * 2018-11-02 2020-05-12 华为技术有限公司 Transmission method and 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
CN111163437A (en) * 2018-11-08 2020-05-15 电信科学技术研究院有限公司 Communication monitoring method and communication equipment
CN111163437B (en) * 2018-11-08 2022-07-01 大唐移动通信设备有限公司 Communication monitoring method and communication equipment
CN110061822A (en) * 2018-12-03 2019-07-26 中国信息通信研究院 A kind of car networking unicast communication channels, communication means and mobile terminal
CN111385066A (en) * 2018-12-28 2020-07-07 海能达通信股份有限公司 Hybrid automatic retransmission method, data sending end, data receiving end and retransmission system
WO2020143731A1 (en) * 2019-01-11 2020-07-16 华为技术有限公司 Method for transmitting data, communication device and network device
CN111435885B (en) * 2019-01-11 2022-02-25 华为技术有限公司 Method for transmitting data, communication device and network device
CN111435885A (en) * 2019-01-11 2020-07-21 华为技术有限公司 Method for transmitting data, communication device and network device
CN113039851B (en) * 2019-02-03 2023-05-16 Oppo广东移动通信有限公司 Wireless communication method, network device and terminal device
WO2020155183A1 (en) * 2019-02-03 2020-08-06 Oppo广东移动通信有限公司 Radio communication method, network device, and terminal device
CN113039851A (en) * 2019-02-03 2021-06-25 Oppo广东移动通信有限公司 Wireless communication method, network equipment and terminal equipment
CN113439403A (en) * 2019-02-13 2021-09-24 索尼集团公司 Electronic device, wireless communication method, and computer-readable medium
CN113439404A (en) * 2019-02-14 2021-09-24 创新技术实验室株式会社 Method and apparatus for supporting HARQ retransmission in wireless communication system
CN111865502A (en) * 2019-04-28 2020-10-30 华为技术有限公司 Communication method and device
CN111865502B (en) * 2019-04-28 2022-04-29 华为技术有限公司 Communication method and device
CN111865480A (en) * 2019-04-28 2020-10-30 大唐移动通信设备有限公司 Straight-through link transmission method and terminal
CN111865480B (en) * 2019-04-28 2021-10-26 大唐移动通信设备有限公司 Straight-through link transmission method and terminal
CN112118542A (en) * 2019-06-21 2020-12-22 ***通信有限公司研究院 Multicast processing method, device and communication equipment
CN112118542B (en) * 2019-06-21 2022-03-29 ***通信有限公司研究院 Multicast processing method, device and communication equipment
CN113890692B (en) * 2019-06-28 2023-06-06 Oppo广东移动通信有限公司 Transmission method and transmission device for side links
CN113890692A (en) * 2019-06-28 2022-01-04 Oppo广东移动通信有限公司 Transmission method and transmission device of sidelink
CN113364561B (en) * 2019-07-08 2024-05-14 展讯通信（上海）有限公司 Multicast feedback resource determining method and device, storage medium and user equipment
CN113364561A (en) * 2019-07-08 2021-09-07 展讯通信（上海）有限公司 Multicast feedback resource determination method and device, storage medium and user equipment
CN112398596A (en) * 2019-08-16 2021-02-23 华为技术有限公司 Method, device and system for processing sidelink resources
WO2021063358A1 (en) * 2019-09-30 2021-04-08 维沃移动通信有限公司 Method and device for indicating and determining harq feedback mode
CN112583537A (en) * 2019-09-30 2021-03-30 维沃移动通信有限公司 Indication and determination method and device for HARQ (hybrid automatic repeat request) feedback mode
CN112583537B (en) * 2019-09-30 2022-07-01 维沃移动通信有限公司 Indication and determination method and device for HARQ (hybrid automatic repeat request) feedback mode
CN112788727A (en) * 2019-11-07 2021-05-11 大唐移动通信设备有限公司 Method and equipment for adjusting transmission parameters of direct communication interface
CN113475105A (en) * 2020-01-31 2021-10-01 苹果公司 Radio link monitoring of sidelink
CN113475105B (en) * 2020-01-31 2023-12-22 苹果公司 Radio link monitoring of side links
US11956846B2 (en) 2020-01-31 2024-04-09 Apple Inc. Radio link monitoring for sidelink
WO2021151245A1 (en) * 2020-01-31 2021-08-05 Apple Inc. Radio Link Monitoring for Sidelink
WO2021159573A1 (en) * 2020-02-14 2021-08-19 Oppo广东移动通信有限公司 Information processing method and apparatus, and storage medium, processor and electronic apparatus
CN113517955A (en) * 2020-04-10 2021-10-19 大唐高鸿数据网络技术股份有限公司 Information sending and receiving method, sending equipment and receiving equipment
CN113517955B (en) * 2020-04-10 2024-04-26 中信科智联科技有限公司 Information transmitting and receiving method, transmitting device and receiving device
WO2022011718A1 (en) * 2020-07-17 2022-01-20 华为技术有限公司 Communication method and apparatus

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