CN107041001A - The determination method and device of the communication resource - Google Patents
The determination method and device of the communication resource Download PDFInfo
- Publication number
- CN107041001A CN107041001A CN201610080142.2A CN201610080142A CN107041001A CN 107041001 A CN107041001 A CN 107041001A CN 201610080142 A CN201610080142 A CN 201610080142A CN 107041001 A CN107041001 A CN 107041001A
- Authority
- CN
- China
- Prior art keywords
- subframe
- sub
- packet
- configured informations
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a kind of determination method and device of communication resource.Wherein, this method includes：Obtain the dispatching distribution SA configured informations communicated for device-to-device D2D；According to the mapping ruler between the SA configured informations and data to be transmitted bag, it is determined that the communication resource for transmitting the data to be transmitted bag.By the present invention, solve in correlation technique, carrying out data by the cycle in data resource pond in D2D communications sends the problem of caused data transmission delay is larger, and then has reached the effect for shortening data transmission delay.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of determination method and device of communication resource.
Background technology
The mechanics of communication of device-to-device (Device to Device, referred to as D2D) is restriction distance, model between equipment
Enclose the data sharing with capacity etc. and a kind of wireless communication mode exchanged.The type of service that it is undertaken is in general
Business datum source is not needed not pass through core net, it is only necessary to complete between the ues.More particularly, Che Lian
Network Communication (Vehicle to X, referred to as V2X) refers to the communication protocol and Data Exchange Standard according to agreement, vehicle-mounted
Equipment between miscellaneous equipment (another mobile unit, roadside equipment, pedestrian's handheld device and internet etc.), enter
Row wireless telecommunications and information are exchanged.By car networking communication can make vehicle obtain driving safety, improve traffic efficiency and
Facilitated or entertainment information.Car networking communication includes three kinds of different types：Communicate (Vehicle between vehicle and vehicle
Vehicle, referred to as V2V), communicate (Vehicle to Infrastructure, abbreviation V2I) between vehicle and roadside equipment,
And (Vehicle to Pedestrian, abbreviation V2P) is communicated between vehicle and pedestrian.
Car networking communication can realize that the interconnection between car and car V2V, car and people V2P, car and infrastructure V2I is mutual
It is logical, and effective utilization such as extracted on information network platform, share to information.Car networking is based on eless channel communication,
Realize the real-time information interaction between car and car, car and trackside infrastructure, notify respective position, speed, acceleration,
The information such as driving path.Road environment information can also be known, collaborative sensing road hazard condition provides a variety of touch in time
Warning information is hit, the generation of traffic safety accident is prevented, lifting is related to the safety of vehicle.
At present, 3GPP tissues are had begun to based on Long Term Evolution (Long Term Evolution, referred to as LTE)
V2X Communication Studies, wherein, the communication means based on device-to-device (Device-to-Device, referred to as D2D)
It is exactly one of mode of V2X standard implementations.D2D refers to user equipment (the User Equipment, letter for having business to transmit
Referred to as UE) between, business datum is directly passed without the forwarding of base station and core net by source user equipment by eating dishes without rice or wine
It is defeated by target UE.This mode has the feature for being clearly distinguishable from conventional cellular systems communication, for car networking
For V2V communications, the short-range communication between car and car can apply D2D communication modes, reach and save wireless frequency
Spectrum resource, reduces the data transfer pressure of core net, can reduce system resource occupancy, increase cellular communication system frequency
Spectrum efficiency, reduces terminal transmission power consumption, and largely saves network operation cost and other effects.Based on LTE honeycombs
The communication means of communications network link is to realize one of another way of V2X standard implementations, under this mode base station or/and
Relaying can participate in V2X communications, in up-link and/or downlink transmission V2X signals.
It should be understood that, data were transmitted by the cycle in data resource pond in D2D communications, and this must
So cause data transmission delay larger.
For in correlation technique, the number caused by data transmission is carried out by the cycle in data resource pond in D2D communications
According to transmission delay it is larger the problem of, not yet propose effective solution.
The content of the invention
It is logical in D2D in correlation technique at least to solve the invention provides a kind of determination method and device of communication resource
Data are carried out by the cycle in data resource pond in letter and send the problem of caused data transmission delay is larger.
According to an aspect of the invention, there is provided a kind of determination method of communication resource, including：Obtain and arrived for equipment
The dispatching distribution SA configured informations of equipment D2D communications；According between the SA configured informations and data to be transmitted bag
Mapping ruler, it is determined that the communication resource for transmitting the data to be transmitted bag.
Alternatively, when the communication resource includes frequency domain position, it is determined that the communication for transmitting the data to be transmitted bag
Resource includes：The SA configured informations and data to be transmitted bag configuration are divided in the communication bandwidth of the D2D
Different frequency domain resource positions on.
Alternatively, when the communication resource includes transmission subframe, it is determined that the communication for transmitting the data to be transmitted bag
Resource includes：It is inclined by the subframe for carrying the SA configured informations and fixed subframe transmitting and/or finally transmit first
Move and determine the transmission subframe；Or, determined by the location of sub-frame offset indicated by the SA configured informations
The transmission subframe, wherein, the location of described sub-frame offset is to carry the SA configured informations described in distance
The location of subframe present position predetermined value subframe.
Alternatively, it is described to pass through the subframe for carrying the SA configured informations transmitted and/or finally transmitted first and fixation
Sub-frame offset determines that the transmission subframe includes：Obtain with it is described first transmit and/or finally transmit carry the SA
The subframe of configured information location after the fixed sub-frame offset, wherein, the value of the fixed sub-frame offset
Including：The transmission cycle of the SA configured informations, or any positive integer；Starting point is mapped by subframe of the position,
Map the sub-frame set indicated by the SA configured informations；It regard the subframe in the sub-frame set as the transmission subframe.
Alternatively, the location of described sub-frame offset by indicated by the SA configured informations determines transmission
Frame includes：According to indicated by the location of subframe for carrying the SA configured informations and the SA configured informations
The location of sub-frame offset obtains subframe mapping starting point；Starting point is mapped according to the subframe, the SA is mapped and indicates letter
The indicated sub-frame set of breath；It regard the subframe in the sub-frame set as the transmission subframe；Or, will in time domain
The SA configured informations are divided into multiple SA resource subsets；The location of border according to the SA resource subsets
Subframe mapping starting point is obtained with the location of the sub-frame offset indicated by the SA configured informations；Reflected according to the subframe
Starting point is penetrated, the sub-frame set indicated by the SA configured informations is mapped；Using the subframe in the sub-frame set as described
Transmit subframe.
Alternatively, the sub-frame set indicated by the mapping SA configured informations includes：Obtaining the subframe mapping
After starting point, the number of the packet transmitted according to indicated by the SA configured informations, the number of retransmissions of the packet,
And the transmission intercal of the packet determines the biography in addition to the original transmission subframe indicated by the subframe maps starting point
Defeated subframe, to obtain the sub-frame set.
Alternatively, the number of packet of the indicated transmission of the SA configured informations, the number of retransmissions of the packet lead to
Cross in the following manner determination：Pre-set the number of retransmissions of predetermined value packet and each packet；Or, receive
The number and the packet of the packet configured by network side entity by high-level signaling and/or physical layer signaling
Number of retransmissions；Or, according to the load carried on the D2D communication bandwidths, select the number of the packet
And the number of retransmissions of the packet.
Alternatively, also include after the sub-frame set indicated by the SA configured informations is mapped：Will according to pre-defined rule
The first of each packet is passed and retransmitted in the subframe included by being respectively mapped in the sub-frame set；Wherein, it is described predetermined
Rule passes and retransmitted first biography and the re-transmission for re-mapping next packet for the head of first one packet of mapping.
Alternatively, the network side entity include it is following any one：Evolved base station eNB, relay station RN, cell
Cooperate entity MCE, gateway GW, mobility management apparatus MME, Evolved UTRAN EUTRAN,
Operational administrative and safeguard OAM managers.
According to another aspect of the present invention there is provided a kind of determining device of the communication resource, including：Acquisition module, is used for
Obtain the dispatching distribution SA configured informations communicated for device-to-device D2D；Determining module, for according to the SA
Mapping ruler between configured information and data to be transmitted bag, it is determined that the communication resource for transmitting the data to be transmitted bag.
Alternatively, the determining module includes：Processing unit, for when the communication resource includes frequency domain position, inciting somebody to action
The different frequency domains money that the SA configured informations and data to be transmitted bag configuration are divided in the communication bandwidth of the D2D
On source position.
Alternatively, the determining module includes：First determining unit, for the communication resource include transmission subframe when,
Institute is determined by the subframe for carrying the SA configured informations and fixed sub-frame offset transmitting and/or finally transmit first
State transmission subframe；Or, the second determining unit, for by residing for the sub-frame offset indicated by the SA configured informations
Position determine the transmission subframe, wherein, the location of described sub-frame offset be distance described in carry the SA
The location of subframe present position predetermined value subframe of configured information.
Alternatively, first determining unit includes：First obtain subelement, for obtain with it is described first transmission and/
Or the subframe for carrying the SA configured informations finally transmitted location after the fixed sub-frame offset, its
In, the value of the fixed sub-frame offset includes：The transmission cycle of the SA configured informations, or any positive integer；
First mapping subelement, for mapping starting point by subframe of the position, maps the son indicated by the SA configured informations
Frame set；First sets subelement, for regarding the subframe in the sub-frame set as the transmission subframe.
Alternatively, second determining unit includes：Second obtains subelement, and carrying the SA for basis indicates
The location of sub-frame offset indicated by the location of subframe of information and the SA configured informations obtains subframe mapping
Starting point；Second mapping subelement, for mapping starting point according to the subframe, maps indicated by the SA configured informations
Sub-frame set；Second sets subelement, for regarding the subframe in the sub-frame set as the transmission subframe；Or,
Subelement is divided, for the SA configured informations to be divided into multiple SA resource subsets in time domain；3rd obtains son
Unit, for the subframe indicated by the location of border according to the SA resource subsets and the SA configured informations
The location of skew obtains subframe mapping starting point；3rd mapping subelement, for mapping starting point according to the subframe, reflects
Penetrate the sub-frame set indicated by the SA configured informations；3rd sets subelement, for by the son in the sub-frame set
Frame is used as the transmission subframe.
Alternatively, the first mapping subelement or the second mapping subelement or the 3rd mapping subelement, are also used
In after subframe mapping starting point is obtained, the number of the packet transmitted according to indicated by the SA configured informations, institute
The transmission intercal of the number of retransmissions and the packet of stating packet is determined except the subframe maps rising indicated by starting point
Transmission subframe outside the transmission subframe that begins, to obtain the sub-frame set.
Alternatively, the first mapping subelement or the second mapping subelement or the 3rd mapping subelement are additionally operable to
Number, the re-transmission time of the packet of the packet of the indicated transmission of the SA configured informations are determined in the following manner
Number：Pre-set the number of retransmissions of predetermined value packet and each packet；Or, receive by network side entity
The number and the number of retransmissions of the packet of the packet configured by high-level signaling and/or physical layer signaling；
Or, according to the load carried on the D2D communication bandwidths, select the number and the data of the packet
The number of retransmissions of bag.
Alternatively, first determining unit or the second determining unit are additionally operable to, and are mapping the SA configured informations institute
After the sub-frame set of instruction, the first biography of each packet and re-transmission are respectively mapped to the subframe collection according to pre-defined rule
In conjunction in included subframe；Wherein, first to map, the head of a packet is passed the pre-defined rule and re-transmission is re-mapped down
The first of one packet passes and retransmitted.
Alternatively, the network side entity include it is following any one：Evolved base station eNB, relay station RN, cell
Cooperate entity MCE, gateway GW, mobility management apparatus MME, Evolved UTRAN EUTRAN,
Operational administrative and safeguard OAM managers.
By the present invention, it is used for the dispatching distribution SA configured informations that device-to-device D2D communicates using obtaining；Foundation should
Mapping ruler between SA configured informations and data to be transmitted bag, it is determined that being provided for the communication for transmitting the data to be transmitted bag
Source.That is, the present invention eliminates the cycle in data resource pond, but according to SA configured informations and data to be transmitted
Mapping ruler between bag, it is determined that for transmitting the communication resource of the data to be transmitted bag, so as to avoid logical in D2D
Data are carried out by the cycle in data resource pond in letter and send the problem of caused data transmission delay is larger, and then are reached
Shorten the effect of data transmission delays.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, the present invention
Schematic description and description be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the determination flow chart of the communication resource according to embodiments of the present invention；
Fig. 2 is D2D SA resources according to embodiments of the present invention and data resource schematic diagram；
Fig. 3 is LTE system frame structure schematic diagram according to embodiments of the present invention；
Fig. 4 be in D2D communication systems according to embodiments of the present invention SA by indicating that TRP bitmap map PSSCH
The schematic diagram of subframe；
Fig. 5 is according to embodiments of the present invention to be reflected by TRP bitmap sequence mappings subframes and by the fixed interval that retransmits
Penetrate the schematic diagram (one) of subframe；
Fig. 6 is according to embodiments of the present invention to be reflected by TRP bitmap sequence mappings subframes and by the fixed interval that retransmits
Penetrate the schematic diagram (two) of subframe；
Fig. 7 is the structured flowchart of the determining device of the communication resource according to embodiments of the present invention；
Fig. 8 is the structured flowchart (one) of the determining device of the communication resource according to embodiments of the present invention；
Fig. 9 is the structured flowchart (two) of the determining device of the communication resource according to embodiments of the present invention；
Figure 10 is the structured flowchart (three) of the determining device of the communication resource according to embodiments of the present invention；
Figure 11 is the structured flowchart (four) of the determining device of the communication resource according to embodiments of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first ", " second " in description and claims of this specification and above-mentioned accompanying drawing
Etc. being for distinguishing similar object, without for describing specific order or precedence.
Embodiment 1
A kind of determination method of communication resource is provided in the present embodiment, and Fig. 1 is communication money according to embodiments of the present invention
The determination flow chart in source, as shown in figure 1, the flow comprises the following steps：
Step S102, obtains the dispatching distribution SA configured informations communicated for device-to-device D2D；
Step S104, according to the mapping ruler between the SA configured informations and data to be transmitted bag, it is determined that for transmitting this
The communication resource of data to be transmitted bag.
Alternatively, in the present embodiment, the application scenarios of the determination method of the above-mentioned communication resource include but is not limited to：Car
Connected network communication (Vehicle to X, referred to as V2X), device-to-device (Device-to-Device, referred to as D2D)
Communication.Under above-mentioned application scenarios, it is used for the dispatching distribution SA configured informations that device-to-device D2D communicates using obtaining；
According to the mapping ruler between the SA configured informations and data to be transmitted bag, it is determined that for transmitting the data to be transmitted bag
The communication resource.That is, the present embodiment eliminates the cycle in data resource pond, but according to SA configured informations with treating
Mapping ruler between transmission packet, it is determined that for transmitting the communication resource of the data to be transmitted bag, so as to avoid
Data are carried out by the cycle in data resource pond in D2D communications and send the problem of caused data transmission delay is larger, are entered
And reached the effect for shortening data transmission delay.
Alternatively, in the present embodiment, the above-mentioned communication resource include but is not limited to it is following any one：Transmission is to be transmitted
The transmission subframe of packet, transmits the frequency domain position of data to be transmitted bag, the transmission subframe for re-transmission and indicated
Subframe on transmit data to be transmitted bag mode, here, not doing any restriction.
In one alternatively embodiment, when the communication resource includes frequency domain position, it is determined that for transmitting data to be transmitted
The communication resource of bag comprises the following steps：
Step S11, the different frequency domains that SA configured informations and the configuration of data to be transmitted bag are divided in D2D communication bandwidths
On resource location.
Alternatively, in the present embodiment, SA configured informations and the configuration of data to be transmitted bag are drawn in the D2D communication bandwidths
The frequency domain resource position divided includes but is not limited to：SA configured informations and data to be transmitted bag take identical resource block,
Or the SA configured informations resource block different with data to be transmitted bag occupancy.
The resource block location relation shared by SA configured informations and data to be transmitted is described with reference to Fig. 2.
As shown in Fig. 2 SA configured informations and data to be transmitted are located at different subframe positions in time domain；On frequency domain,
The SA configured informations resource block different with data to be transmitted occupancy.
In one alternatively embodiment, when the communication resource includes transmission subframe, it is determined that for transmitting the number to be transmitted
Comprise the following steps according to the communication resource of bag：
Step S21, passes through the subframe for carrying the SA configured informations and fixed subframe transmitted and/or finally transmitted first
Skew determines the transmission subframe；Or,
Step S22, the transmission subframe is determined by the location of sub-frame offset indicated by the SA configured informations, its
In, the location of the sub-frame offset is the subframe present position predetermined value that the SA configured informations are carried apart from this
The location of subframe.
In this optional embodiment, by the subframe for carrying the SA configured informations transmitting and/or finally transmit first and
Fixed sub-frame offset determines the transmission subframe, or passes through the location of sub-frame offset indicated by the SA configured informations
The transmission subframe is determined, the transmission subframe of data to be transmitted bag is quickly determined, and then has reached raising packet transmission speed
Rate.
In one alternatively embodiment, pass through the SA configured informations that carry transmitted and/or finally transmitted first
Subframe and fixed sub-frame offset determine that the transmission subframe comprises the following steps：
Step S31, obtains solid apart from this with the subframe for carrying the SA configured informations transmitted and/or finally transmitted first
The location of after stator vertical shift, wherein, the value of the fixation sub-frame offset includes：The transmission of the SA configured informations
Cycle, or any positive integer；
Step S32, starting point is mapped by subframe of the position, the sub-frame set indicated by the SA configured informations is mapped；
Step S33, regard the subframe in the sub-frame set as the transmission subframe.
It should be noted that in this optional embodiment, the value of fixed sub-frame offset includes but is not limited to：0、1
And the transmission cycle of SA configured informations, here, not doing any restriction.
In this optional embodiment, it is first determined subframe maps starting point, and maps the SA according to subframe mapping starting point
Sub-frame set indicated by configured information, using the subframe in the sub-frame set as above-mentioned transmission subframe, it is achieved thereby that clever
The effect living for indicating data channel sub-frame.
In an optional embodiment, determined by the location of sub-frame offset indicated by the SA configured informations
The transmission subframe comprises the following steps：
Step S41, according to indicated by the location of subframe for carrying the SA configured informations and the SA configured informations
The location of sub-frame offset obtain subframe mapping starting point；Starting point is mapped according to the subframe, the SA configured informations are mapped
Indicated sub-frame set；It regard the subframe in the sub-frame set as the transmission subframe；Or,
Step S42, multiple SA resource subsets are divided into time domain by the SA configured informations；According to SA resources
The location of sub-frame offset indicated by the location of border of group and the SA configured informations obtains subframe mapping starting point；
Starting point is mapped according to the subframe, the sub-frame set indicated by the SA configured informations is mapped；By the subframe in the sub-frame set
It is used as the transmission subframe.
In this optional embodiment, transmission subframe is determined by the sub-frame offset indicated by SA configured informations, further
Solve the cycle progress data in correlation technique by data resource pond in D2D communications and send caused data hair
The problem of time delay is larger is sent, the effect for shortening data transmission delay has been reached.
In one alternatively embodiment, map the sub-frame set indicated by the SA configured informations and comprise the following steps：
Step S51, after subframe mapping starting point is obtained, the packet transmitted according to indicated by the SA configured informations
The transmission intercal of number, the number of retransmissions of the packet and the packet is determined except indicated by subframe mapping starting point
Transmission subframe outside original transmission subframe, to obtain the sub-frame set.
In this optional embodiment, by mapping out original transmission subframe first, then after mapping the starting subframe successively
Transmission subframe, and then above-mentioned sub-frame set is obtained, so as to improve the accuracy for determining transmission subframe.
In one alternatively embodiment, the number of the packet of the indicated transmission of the SA configured informations, the packet
Number of retransmissions determine in the following manner：
Step S61, pre-sets the number of retransmissions of predetermined value packet and each packet；Or,
Step S62, receives the number of the packet configured by network side entity by high-level signaling and/or physical layer signaling
And the number of retransmissions of the packet；Or,
Step S63, according to the load carried on the D2D communication bandwidths, selects the number and the data of the packet
The number of retransmissions of bag.
It should be noted that above-mentioned predetermined value includes but is not limited to：1st, 2,3, here, not doing any restriction.
By this optional embodiment, number, packet of the packet of the indicated transmission of SA configured informations are determined
Number of retransmissions, further increase transmission subframe determination efficiency.
In one alternatively embodiment, map the SA configured informations indicated by sub-frame set after also include with
Lower step：
Step S71, the first biography of each packet and re-transmission according to pre-defined rule be respectively mapped to be wrapped in the sub-frame set
In the subframe included；Wherein, first to map, the head of a packet is passed the pre-defined rule and re-transmission re-maps next packet
Head is passed and retransmitted.
In this optional embodiment, it is sequentially mapped to by above-mentioned pre-defined rule packet waiting for transmission in sub-frame set,
So that each packet can carry out packet transmission in corresponding transmission subframe, channel resource profit is further increased
With rate and message transmission rate.
In one alternatively embodiment, network side entity include it is following any one：Evolved base station eNB, relaying
Stand RN, cell cooperative entity MCE, gateway GW, mobility management apparatus MME, Evolved Universal Terrestrial is wireless
Access network EUTRAN, operational administrative and safeguard OAM managers.
With reference to specific example, to embodiment explanation for example.
In traditional cellular communication system, UE Radio Resource is united by evolved base station eNB (evolved NodeB)
One control scheduling, eNB indicates the downlink or uplink resource that UE is configured, and UE is indicated corresponding according to eNB configuration
Downlink resource on receive the data-signals of eNB transmittings, or to eNB transmission signals on ascending resource.In LTE
In system, Radio Resource divides resource in time domain in units of radio frames, and each radio frames are 10ms, include 10
Subframe.Each subframe is 1ms, is divided into 0.5ms 2 slot s lot, as shown in figure 3, on frequency domain, with sub- load
Ripple is that unit divides resource, and each subcarrier includes 15kHz or 7.5kHz resources.According to above-mentioned time domain and frequency domain resource
Unit, eNB is that the least unit of UE scheduling running time-frequency resources is resource block (Resource Block, referred to as RB),
It is 1 slot that RB, which is defined as in time domain, is continuous on frequency domainIndividual subcarrier,Such as Fig. 4
It is shown, the resource that eNB can neatly according to needed for being configured the dynamic dispatching of UE demands.
A kind of realization communicated as device-to-device, LTE extends corresponding wireless parameter.LTE uses physics side chain
Road shared channel (Physical Sidelink Shared Channel, referred to as PSSCH) communicates for D2D.There is D2D
Data D2D transmitting terminals UE to be sent can obtain PSSCH sub-frame configurations from eNB, or predefined in system
Select certain subframe as PSSCH subframes in resource pool, eNB indicates PSSCH subframes to transmitting terminal UE configurations,
Or transmitting terminal UE indicates used PSSCH subframes to receiving terminal UE, using time-domain resource pattern (Time
Resource Pattern, referred to as TRP) indicate used one or more PSSCH subframes.Based on LTE extensions
Device-to-device communication in, the frequency band of network can be shared, special frequency band can also be used to communicate.
In LTE D2D communications, SCI control information provides the positional information of resource.Wherein, TRP is used to determine data
Transmit subframe.TRP information can be by DCI 5, i.e., the D2D scheduling of resource sent by network indicates dedicated control information form,
Send side chain road (i.e. D2D links) control information (Sidelink Control Information, referred to as SCI) middle finger
Show TRP.TRP information can also be sent by SA.The TRP of instruction is 7bit information, represents a TRP index.
Each TRP index correspond to a unique bitmap sequence.The length of current LTE bitmap sequences is N,
N=6,7,8, wherein effectively indicating to be designated the digit of " 1 " in digit k, i.e. bitmap sequences.Make in Fig. 4
The form of subframe is represented with bitmap.For example, " 11110000 " are a N=8, k=4 bitmap sequences.Root
According to the bitmap sequences indicated by TRP index, bit bit identifications are to be designated as PSSCH for the corresponding subframe of " 1 "
Frame.Lay particular emphasis in the present embodiment and be configured without D2D resource periods are how to go to indicate each subframe.When
When there is the configuration of PSSCH resource pools, the bitmap sequences that TRP is indicated are in the continuous subframe of logic that resource pool is included
Upper progress one-to-one corresponding instruction.In embodiment, by determining that TRP maps number of times and mapping starting subframe indicates data
During channel subframes, directly reflecting to actual physics subframe is applied equally to the mapping of subframe to TRP bitmap sequences
Instruction is penetrated, and the mapping of logic-based sub-frame set is indicated.
TRP bitmap subframe mapping side can also be could be used without in the device-to-device that can apply to vehicle communicates
Formula, determines the subframe of transmission otherwise.Reception can be terminated by next traffic order, or configuration repeats secondary
Number.
Indicate to be determined data channel sub-frame for TRP and non-TRP separately below, specific method includes：
In a kind of optional embodiment of the present embodiment, packet and re-transmission are mapped by the corresponding bitmap of TRP
Subframe.
When mapping of the packet using the corresponding bitmap sequence pairs data channels of TRP index in subframe, it is necessary to
It is determined that the original position and mapping number of times of the bitmap sequence mappings of mapping.
The sub-frame offset position of the fixation of the relative head biographies of selection or the SA subframes finally passed starts indicated in mapping SA
The subframes that represent of bitmap.The fixation sub-frame offset is desirable to be worth for 1, SA transmission cycles, or other integer values.
Head is passed or the SA subframes that finally pass determine the transmission subframe of data channel.Or the skew for the scheduling instruction for passing through SA
To determine that bitmap starts the transmission subframe of mapping
The number of times for needing packet number and packet to transmit is determined in the following manner.The packet number wherein transmitted is
Pt, the number of times of each packet transmission is Rt times.Usually, packet is once transmitted using a subframe：
Fixed packet number is set, and/or states the number of retransmissions of packet；Or,
As the packet number scheduled in high-level signaling and/or physical layer signaling configure a SA of the equipment, and/or state number
According to the number of retransmissions of bag；Or,
According to the load of channel, the transmission packet number as scheduled in one SA of equipment autonomously dynamic select, and/or it is described
Data packet retransmission number of times；
The number of times that indicated bitmap maps since start frame in SA is M time that M=Ceiling (Pt*Rt/k) maps
Sub-frame interval that Bitmap can be connected to or certain..
Transmission packet number of the equipment based on determination and the data packet retransmission number of times Sequential Mapping are to foregoing bitmap institutes
The sub-frame set of selection.Equipment the first of each packet of Sequential Mapping in affiliated sub-frame set passes and retransmitted.Mapping
Order according to first passed packet specify it is first pass and number of retransmissions, re-map the first of another packet and pass and again
Pass, carry out successively.When having mapped all packets, the remaining subframe of affiliated sub-frame set is not re-mapped.
In another optional embodiment of the present embodiment, number, number of retransmissions and transmission intercal are transmitted by packet
It is determined that transmission subframe.
When mapping of the packet without using the corresponding bitmap sequence pairs data channels of TRP index in subframe, need
Determine the original position of the subframe of mapping, interval and number of times.
The sub-frame offset position of the fixation of the relative head biographies of selection or the SA subframes finally passed starts indicated in mapping SA
The subframes that represent of bitmap.The fixation sub-frame offset is desirable to be worth for 1, SA transmission cycles, or other integer values.
Head is passed or the SA subframes that finally pass determine the transmission subframe of data channel.Or the skew for the scheduling instruction for passing through SA
To determine that bitmap starts the transmission subframe of mapping, hereinafter referred to as start frame.
The number of times for needing packet number and packet to transmit is determined in the following manner.The packet number wherein transmitted is
Pt, the number of times of each packet transmission is Rt times.Usually, packet is once transmitted using a subframe：
Fixed packet number is set, and/or states the number of retransmissions of packet；Or,
As the packet number scheduled in high-level signaling and/or physical layer signaling configure a SA of the equipment, and/or state number
According to the number of retransmissions of bag；Or,
According to the load of channel, the transmission packet number as scheduled in one SA of equipment autonomously dynamic select, and/or it is described
Data packet retransmission number of times；
It is that the M Bitmap that indicated bitmap maps since start frame in SA can be connected to or
Certain sub-frame interval..
Transmission packet number of the equipment based on determination and the data packet retransmission number of times Sequential Mapping are to foregoing bitmap institutes
The sub-frame set of selection.Equipment the first of each packet of Sequential Mapping in affiliated sub-frame set passes and retransmitted.Mapping
Order according to first passed packet specify it is first pass and number of retransmissions, re-map the first of another packet and pass and again
Pass.The number of times mapped since start frame is Pt*Rt times.Each packet it is first pass and retransmit at intervals of X.Data
At intervals of Y between bag.The positive integer of X and Y to be set by system.
The various methods for indicating data channel sub-frame set above by mapping original position can be with conditions of not conflicting
It is used in any combination, is further illustrated below by alternative embodiment.
Alternative embodiment one
In device-to-device communication system, wherein the packet number transmitted is Pt, the number of times of each packet transmission
For Rt times.Equipment sets fixed packet number to be Pt=3.Wherein, the number of retransmissions of packet is Rt=2, i.e., 1
Secondary first pass adds 1 re-transmission.Bitmap mapping is at intervals of 0.
Predefined TRP mapping starting subframe is that SA scheduling skews are 4 subframes, then corresponding TRP bitmap sequences
Mapping indicates that the effect of data channel sub-frame is as shown in Figure 5.According to indicated TRP index, it may be determined that corresponding
Bitmap sequences are " 10101000 ".Bitmap sequence k values are 3.Therefore show that Bitmap needs mapping 2 times.Bitmap
Sequence maps since first subframe, maps 2 times altogether, and it is data channel sub-frame accordingly to indicate 6 subframes.Can be with
See, by predefined rule setting, under conditions of being indicated being not required to any signaling, realize what TRP was indicated
Effectively mapping.
Alternative embodiment two
In device-to-device communication system, wherein the packet number transmitted is Pt, the number of times of each packet transmission
For Rt times.Equipment sets fixed packet number to be Pt=1.Wherein, the number of retransmissions of packet is Rt=3, i.e., 1
Secondary first pass adds 2 re-transmissions.Retransmitted between packet at intervals of 1.
Predefined TRP mapping starting subframe is that SA scheduling skews are 15 subframes, and mapping indicates data channel sub-frame
Effect is as illustrated in the lower half of fig. 5.Equipment maps since first subframe, maps 3 times indicate that 3 subframes are altogether
Data channel sub-frame.The use to data burst can be realized by simply retransmitting rule.
Alternative embodiment three
In order in frequency division multiplexing (Frequency Division multiplexing, referred to as FDM) resource pool configuring condition
Under, the SA retransmission mechanism for reusing D2D solves the problems, such as half-duplex, and more simply to define SA corresponding with Data
Relation, further can also divide SA frequency domain resource.
As shown in fig. 6, SA and Data frequency divisions, SA resource pools are divided into subgroup, each subgroup, SA use with
Pattern similar D2D, solves the problems, such as half-duplex, also limit the maximum of SA and retransmits interval, reduces time delay.
The Data that SA is indicated is transmitted in some subframes of Data resource pools.Transmission Data subframe can use similar
T-RPT method indicates, or constant offset+interval method.(such as alternative embodiment one and two)
Alternative embodiment four
In device-to-device communication system, wherein the maximum data packet number of a SA scheduled transmission is Pt, per number
It it is Rt times according to the maximum times of bag transmission.Assuming that this examples of implementation Pt=2, the number of retransmissions Rt=4 of packet.I.e. 1
Secondary first pass adds 2 re-transmissions.Retransmitted between packet at intervals of 0.
Predefined mapping starting subframe is that SA head biography scheduling skews are 10 subframes, then mapping indicates data channel sub-frame
Be to be mapped since first pass inferred according to detection after SA the 10th subframe.Equipment is according to the network congestion detected
Situation feels whether to have passed all packets and all re-transmissions.Number of retransmissions is reduced according to ad hoc rules when detecting congestion
And packet.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-described embodiment
Method the mode of required general hardware platform can be added to realize by software, naturally it is also possible to by hardware, but a lot
In the case of the former be more preferably embodiment.Understood based on such, technical scheme is substantially in other words to existing
The part for having technology to contribute can be embodied in the form of software product, and the computer software product is stored in one
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions are make it that a station terminal equipment (can
To be mobile phone, computer, server, or network equipment etc.) perform method described in each embodiment of the invention.
Embodiment 2
A kind of determining device of the communication resource is additionally provided in the present embodiment, and the device is used to realize above-described embodiment and excellent
Embodiment is selected, repeating no more for explanation had been carried out.As used below, term " module " can be realized pre-
Determine the combination of the software and/or hardware of function.Although the device described by following examples is preferably realized with software,
But hardware, or the realization of the combination of software and hardware is also that may and be contemplated.
Fig. 7 is the structured flowchart of the determining device of the communication resource according to embodiments of the present invention, as shown in fig. 7, the device
Including：
1) acquisition module 72, are used for the dispatching distribution SA configured informations that device-to-device D2D communicates for obtaining；
2) determining module 74, for according to the mapping ruler between the SA configured informations and data to be transmitted bag, it is determined that
The communication resource for transmitting the data to be transmitted bag.
Alternatively, in the present embodiment, the application scenarios of the determination method of the above-mentioned communication resource include but is not limited to：Car
Connected network communication (Vehicle to X, referred to as V2X), device-to-device (Device-to-Device, referred to as D2D)
Communication.Under above-mentioned application scenarios, it is used for the dispatching distribution SA configured informations that device-to-device D2D communicates using obtaining；
According to the mapping ruler between the SA configured informations and data to be transmitted bag, it is determined that for transmitting the data to be transmitted bag
The communication resource.That is, the present embodiment eliminates the cycle in data resource pond, but according to SA configured informations with treating
Mapping ruler between transmission packet, it is determined that for transmitting the communication resource of the data to be transmitted bag, so as to avoid
Data are carried out by the cycle in data resource pond in D2D communications and send the problem of caused data transmission delay is larger, are entered
And reached the effect for shortening data transmission delay.
Alternatively, in the present embodiment, the above-mentioned communication resource include but is not limited to it is following any one：Transmission is to be transmitted
The transmission subframe of packet, transmits the frequency domain position of data to be transmitted bag, the transmission subframe for re-transmission and indicated
Subframe on transmit data to be transmitted bag mode, here, not doing any restriction.
In one alternatively embodiment, Fig. 8 is the structure of the determining device of the communication resource according to embodiments of the present invention
Block diagram (one), as shown in figure 8, determining module 74 includes：
1) processing unit 82, it is for when the communication resource includes frequency domain position, the SA configured informations is to be passed with this
Transmission of data bag is configured on the different frequency domain resource positions that the D2D communication bandwidths are divided.
Alternatively, in the present embodiment, SA configured informations and the configuration of data to be transmitted bag are drawn in the D2D communication bandwidths
The frequency domain resource position divided includes but is not limited to：SA configured informations and data to be transmitted bag take identical resource block,
Or the SA configured informations resource block different with data to be transmitted bag occupancy.
The resource block location relation shared by SA configured informations and data to be transmitted is described with reference to Fig. 2.
As shown in Fig. 2 SA configured informations and data to be transmitted are located at different subframe positions in time domain；On frequency domain,
The SA configured informations resource block different with data to be transmitted occupancy.
In one alternatively embodiment, Fig. 9 is the structure of the determining device of the communication resource according to embodiments of the present invention
Block diagram (two), as shown in figure 9, determining module 74 includes：
1) the first determining unit 92, for when the communication resource includes transmission subframe, by transmitting first and/or finally
The subframe for carrying the SA configured informations of transmission and fixed sub-frame offset determine the transmission subframe；Or,
2) the second determining unit 94, for being determined by the location of sub-frame offset indicated by the SA configured informations
The transmission subframe, wherein, the location of the sub-frame offset is to be carried apart from this residing for the subframe of the SA configured informations
The location of position-scheduled numerical value subframe.
In this optional embodiment, by the subframe for carrying the SA configured informations transmitting and/or finally transmit first and
Fixed sub-frame offset determines the transmission subframe, or passes through the location of sub-frame offset indicated by the SA configured informations
The transmission subframe is determined, the transmission subframe of data to be transmitted bag is quickly determined, and then has reached raising packet transmission speed
Rate.
In an optional embodiment, Figure 10 is the structure of the determining device of the communication resource according to embodiments of the present invention
Block diagram (three), as shown in Figure 10, the first determining unit 92 include：
1) first subelement 102 is obtained, the SA that carries for transmitting and/or finally being transmitted first with this for obtaining refers to
Show the subframe of information the location of after the fixation sub-frame offset, wherein, the value of the fixation sub-frame offset includes：
The transmission cycle of the SA configured informations, or any positive integer；
2) the first mapping subelement 104, for mapping starting point by subframe of the position, maps the SA configured informations signified
The sub-frame set shown；
3) first subelement 106 is set, for regarding the subframe in the sub-frame set as the transmission subframe.
It should be noted that in this optional embodiment, the value of fixed sub-frame offset includes but is not limited to：0、1
And the transmission cycle of SA configured informations, here, not doing any restriction.
In this optional embodiment, it is first determined subframe maps starting point, and maps the SA according to subframe mapping starting point
Sub-frame set indicated by configured information, using the subframe in the sub-frame set as above-mentioned transmission subframe, it is achieved thereby that clever
The effect living for indicating data channel sub-frame.
In one alternatively embodiment, Figure 11 is the knot of the determining device of the communication resource according to embodiments of the present invention
Structure block diagram (four), as shown in figure 11, the second determining unit 94 include：
1) second subelement 112 is obtained, the location of subframe of the SA configured informations is carried for basis and is somebody's turn to do
The location of sub-frame offset indicated by SA configured informations obtains subframe mapping starting point；2) the second mapping subelement 114,
For mapping starting point according to the subframe, the sub-frame set indicated by the SA configured informations is mapped；3) second set son single
Member 116, for regarding the subframe in the sub-frame set as the transmission subframe；Or,
4) subelement 118 is divided, for the SA configured informations to be divided into multiple SA resource subsets in time domain；5)
3rd obtains subelement 120, for the location of border according to the SA resource subsets and the SA configured informations institute
The location of sub-frame offset of instruction obtains subframe mapping starting point；6) the 3rd mapping subelement 122, for according to the son
Frame maps starting point, maps the sub-frame set indicated by the SA configured informations；7) the 3rd subelement 124 is set, for inciting somebody to action
Subframe in the sub-frame set is used as the transmission subframe.
In this optional embodiment, transmission subframe is determined by the sub-frame offset indicated by SA configured informations, further
Solve the cycle progress data in correlation technique by data resource pond in D2D communications and send caused data hair
The problem of time delay is larger is sent, the effect for shortening data transmission delay has been reached.
In one alternatively embodiment, the first mapping mapping subelement 114 or the 3rd of subelement 104 or second
Subelement 122 is mapped, is additionally operable to after subframe mapping starting point is obtained, is transmitted according to indicated by the SA configured informations
The transmission intercal of the number of packet, the number of retransmissions of the packet and the packet is determined except the subframe maps starting point
Transmission subframe outside indicated original transmission subframe, to obtain the sub-frame set.
In this optional embodiment, by mapping out original transmission subframe first, then after mapping the starting subframe successively
Transmission subframe, and then above-mentioned sub-frame set is obtained, so as to improve the accuracy for determining transmission subframe.
In one alternatively embodiment, the first mapping mapping subelement 114 or the 3rd of subelement 104 or second
Mapping subelement 122 be additionally operable to determine in the following manner the packet of the indicated transmission of the SA configured informations number,
The number of retransmissions of the packet：
Pre-set the number of retransmissions of predetermined value packet and each packet；Or,
Receive the number and the number of the packet configured by network side entity by high-level signaling and/or physical layer signaling
According to the number of retransmissions of bag；Or,
According to the load carried on the D2D communication bandwidths, the number of the packet and the re-transmission of the packet are selected
Number of times.
It should be noted that above-mentioned predetermined value includes but is not limited to：1st, 2,3, here, not doing any restriction.
By this optional embodiment, number, packet of the packet of the indicated transmission of SA configured informations are determined
Number of retransmissions, further increase transmission subframe determination efficiency.
In one alternatively embodiment, the first determining unit 92 or the second determining unit 94 are additionally operable to, in mapping
After sub-frame set indicated by the SA configured informations, the first of each packet is passed and retransmitted difference according to pre-defined rule
Map in subframe included in the sub-frame set；Wherein, the pre-defined rule for first map packet it is first pass and
Retransmit the first biography for re-mapping next packet and retransmit.
In this optional embodiment, it is sequentially mapped to by above-mentioned pre-defined rule packet waiting for transmission in sub-frame set,
So that each packet can carry out packet transmission in corresponding transmission subframe, channel resource profit is further increased
With rate and message transmission rate.
In one alternatively embodiment, the network side entity include it is following any one：Evolved base station eNB, in
After station RN, cell cooperative entity MCE, gateway GW, mobility management apparatus MME, Evolved Universal Terrestrial without
Line access EUTRAN, operational administrative and safeguard OAM managers.
It should be noted that above-mentioned modules can be by software or hardware to realize, for the latter, Ke Yitong
Cross in the following manner realization, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or, above-mentioned module distinguishes position
In multiple processors.
Embodiment 3
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can
The program code for performing following steps to be arranged to storage to be used for：
S1, obtains the dispatching distribution SA configured informations communicated for device-to-device D2D；
S2, according to the mapping ruler between the SA configured informations and data to be transmitted bag, it is determined that to be transmitted for transmitting this
The communication resource of packet.
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only storage (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk,
Magnetic disc or CD etc. are various can be with the medium of store program codes.
Alternatively, in the present embodiment, processor performs above-mentioned steps according to the program code stored in storage medium
S1、S2。
Alternatively, the specific example in the present embodiment may be referred to showing described in above-described embodiment and optional embodiment
Example, the present embodiment will not be repeated here.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realizes that they can be concentrated on single computing device, or is distributed in multiple computing devices and is constituted
Network on, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to by they
Storage is performed by computing device in the storage device, and in some cases, can be to be held different from order herein
They, are either fabricated to each integrated circuit modules or will be many in them by the shown or described step of row respectively
Individual module or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware
Combined with software.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the technology of this area
For personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (18)
1. a kind of determination method of communication resource, it is characterised in that including：
Obtain the dispatching distribution SA configured informations communicated for device-to-device D2D；
According to the mapping ruler between the SA configured informations and data to be transmitted bag, it is determined that for transmitting described treat
The communication resource of transmission packet.
2. according to the method described in claim 1, it is characterised in that when the communication resource includes frequency domain position, it is determined that
The communication resource for transmitting the data to be transmitted bag includes：
The SA configured informations and data to be transmitted bag configuration are divided in the communication bandwidth of the D2D
Different frequency domain resource positions on.
3. according to the method described in claim 1, it is characterised in that when the communication resource includes transmission subframe, it is determined that
The communication resource for transmitting the data to be transmitted bag includes：
Pass through the subframe for carrying the SA configured informations transmitted and/or finally transmitted first and fixed sub-frame offset
Determine the transmission subframe；Or,
The transmission subframe is determined by the location of sub-frame offset indicated by the SA configured informations, wherein,
The location of described sub-frame offset is that the subframe present position that the SA configured informations are carried described in distance makes a reservation for
The location of numerical value subframe.
4. method according to claim 3, it is characterised in that described to pass through taking for transmitting and/or finally transmit first
Subframe and fixed sub-frame offset with the SA configured informations determine that the transmission subframe includes：
Obtain described with the subframe for carrying the SA configured informations distance transmitted and/or finally transmitted first
The location of after fixed sub-frame offset, wherein, the value of the fixed sub-frame offset includes：The SA is indicated
The transmission cycle of information, or any positive integer；
Starting point is mapped by subframe of the position, the sub-frame set indicated by the SA configured informations is mapped；
It regard the subframe in the sub-frame set as the transmission subframe.
5. method according to claim 3, it is characterised in that the son by indicated by the SA configured informations
The location of vertical shift determines that the transmission subframe includes：
Son according to indicated by the location of subframe for carrying the SA configured informations and the SA configured informations
The location of vertical shift obtains subframe mapping starting point；Starting point is mapped according to the subframe, the SA is mapped and indicates
Sub-frame set indicated by information；It regard the subframe in the sub-frame set as the transmission subframe；Or,
The SA configured informations are divided into multiple SA resource subsets in time domain；According to the SA resource subsets
The location of border and the SA configured informations indicated by the location of sub-frame offset obtain subframe mapping
Starting point, starting point is mapped according to the subframe, maps the sub-frame set indicated by the SA configured informations；Will be described
Subframe in sub-frame set is used as the transmission subframe.
6. the method according to claim 4 or 5, it is characterised in that indicated by the mapping SA configured informations
Sub-frame set include：
After the subframe mapping starting point is obtained, of the packet transmitted according to indicated by the SA configured informations
The number of retransmissions of several, described packet and the transmission intercal of the packet are determined except the subframe maps starting point
Transmission subframe outside indicated original transmission subframe, to obtain the sub-frame set.
7. method according to claim 6, it is characterised in that the packet of the indicated transmission of the SA configured informations
Number, the number of retransmissions of the packet determines in the following manner：
Pre-set the number of retransmissions of predetermined value packet and each packet；Or,
Receive the number of the packet configured by network side entity by high-level signaling and/or physical layer signaling with
And the number of retransmissions of the packet；Or,
According to the load carried on the D2D communication bandwidths, the number and the number of the packet are selected
According to the number of retransmissions of bag.
8. the method according to claim 4 or 5, it is characterised in that mapping indicated by the SA configured informations
Also include after sub-frame set：
The first biography of each packet and re-transmission are respectively mapped in the sub-frame set according to pre-defined rule included
Subframe on；Wherein, first to map, the head of a packet is passed the pre-defined rule and re-transmission re-maps next data
The first of bag passes and retransmitted.
9. method according to claim 7, it is characterised in that the network side entity include it is following any one：
Evolved base station eNB, relay station RN, cell cooperative entity MCE, gateway GW, mobile management are set
Standby MME, Evolved UTRAN EUTRAN, operational administrative and safeguard OAM managers.
10. a kind of determining device of the communication resource, it is characterised in that including：
Acquisition module, is used for the dispatching distribution SA configured informations that device-to-device D2D communicates for obtaining；
Determining module, for according to the mapping ruler between the SA configured informations and data to be transmitted bag, it is determined that
The communication resource for transmitting the data to be transmitted bag.
11. device according to claim 10, it is characterised in that the determining module includes：
Processing unit, for when the communication resource includes frequency domain position, by SA configured informations and described
The configuration of data to be transmitted bag is on the different frequency domain resource positions that the communication bandwidth of the D2D is divided.
12. device according to claim 10, it is characterised in that the determining module includes：
First determining unit, for when the communication resource includes transmission subframe, by transmitting first and/or most
The subframe for carrying the SA configured informations and fixed sub-frame offset transmitted afterwards determine the transmission subframe；Or,
Second determining unit, for being determined by the location of sub-frame offset indicated by the SA configured informations
The transmission subframe, wherein, the location of described sub-frame offset is to carry the SA described in distance to indicate letter
The location of subframe present position predetermined value subframe of breath.
13. device according to claim 12, it is characterised in that first determining unit includes：
First obtains subelement, refers to for obtaining with the SA that carries for transmitting and/or finally transmitting first
Show the subframe of information the location of after the fixed sub-frame offset, wherein, the fixed sub-frame offset takes
Value includes：The transmission cycle of the SA configured informations, or any positive integer；
First mapping subelement, for mapping starting point by subframe of the position, maps the SA configured informations institute
The sub-frame set of instruction；
First sets subelement, for regarding the subframe in the sub-frame set as the transmission subframe.
14. device according to claim 12, it is characterised in that second determining unit includes：
Second obtains subelement, the location of subframe of the SA configured informations is carried for basis and described
The location of sub-frame offset indicated by SA configured informations obtains subframe mapping starting point；Second mapping subelement,
For mapping starting point according to the subframe, the sub-frame set indicated by the SA configured informations is mapped；Second is set
Subelement, for regarding the subframe in the sub-frame set as the transmission subframe；Or,
Subelement is divided, for the SA configured informations to be divided into multiple SA resource subsets in time domain；3rd
Subelement is obtained, it is signified for the location of border according to the SA resource subsets and the SA configured informations
The location of sub-frame offset shown obtains subframe mapping starting point；3rd mapping subelement, for according to the subframe
Starting point is mapped, the sub-frame set indicated by the SA configured informations is mapped；3rd sets subelement, for by institute
The subframe in sub-frame set is stated as the transmission subframe.
15. the device according to claim 13 or 14, it is characterised in that the first mapping subelement or described the
Two mapping subelements or the 3rd mapping subelement, are additionally operable to after the subframe mapping starting point is obtained, according to described
Number, the number of retransmissions of the packet and the data of the packet of the indicated transmission of SA configured informations
The transmission intercal of bag determines the transmission subframe in addition to the original transmission subframe indicated by the subframe maps starting point, with
Obtain the sub-frame set.
16. device according to claim 15, it is characterised in that the first mapping subelement described second reflects
Penetrate subelement or the 3rd mapping subelement is additionally operable to determine the indicated biography of the SA configured informations in the following manner
The number of retransmissions of the number of defeated packet, the packet：
Pre-set the number of retransmissions of predetermined value packet and each packet；Or,
Receive the number of the packet configured by network side entity by high-level signaling and/or physical layer signaling with
And the number of retransmissions of the packet；Or,
According to the load carried on the D2D communication bandwidths, the number and the number of the packet are selected
According to the number of retransmissions of bag.
17. the device according to claim 13 or 14, it is characterised in that first determining unit or the second determination
Unit is additionally operable to, will be every according to pre-defined rule after the sub-frame set indicated by the SA configured informations is mapped
The first of one packet is passed and retransmitted in the subframe included by being respectively mapped in the sub-frame set；Wherein, it is described pre-
Set pattern is then that the first of first one packet of mapping passes and retransmitted the head biographies for re-mapping next packet and retransmit.
18. device according to claim 16, it is characterised in that the network side entity include it is following any one：
Evolved base station eNB, relay station RN, cell cooperative entity MCE, gateway GW, mobile management are set
Standby MME, Evolved UTRAN EUTRAN, operational administrative and safeguard OAM managers.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610080142.2A CN107041001B (en) | 2016-02-04 | 2016-02-04 | Communication resource determining method and device |
| PCT/CN2016/110109 WO2017133334A1 (en) | 2016-02-04 | 2016-12-15 | Method and device for determining communication resource |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610080142.2A CN107041001B (en) | 2016-02-04 | 2016-02-04 | Communication resource determining method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107041001A true CN107041001A (en) | 2017-08-11 |
| CN107041001B CN107041001B (en) | 2023-07-14 |
Family
ID=59500586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610080142.2A Active CN107041001B (en) | 2016-02-04 | 2016-02-04 | Communication resource determining method and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107041001B (en) |
| WO (1) | WO2017133334A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111385765A (en) * | 2018-12-28 | 2020-07-07 | 电信科学技术研究院有限公司 | Information transmission method and terminal |
| CN111490998A (en) * | 2019-01-25 | 2020-08-04 | 电信科学技术研究院有限公司 | Information processing method, device, terminal and computer readable storage medium |
| WO2022077448A1 (en) * | 2020-10-16 | 2022-04-21 | Lenovo (Beijing) Limited | Methods and apparatuses for indicating a set of resources on a nr sidelink |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114422090A (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 |
| CN111263410B (en) | 2018-12-28 | 2022-07-08 | 维沃移动通信有限公司 | Resource reservation method and equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202740A (en) * | 2014-05-08 | 2014-12-10 | 中兴通讯股份有限公司 | Communication data transmitting method and device and user equipment |
| WO2015160197A1 (en) * | 2014-04-17 | 2015-10-22 | 엘지전자(주) | Method for determining resource for transmitting signal in wireless communication system and apparatus therefor |
| US20150327315A1 (en) * | 2014-05-09 | 2015-11-12 | Samsung Electronics Co., Ltd. | Schemes related to resource allocation, discovery and signaling in d2d systems |
| WO2015170902A1 (en) * | 2014-05-09 | 2015-11-12 | 삼성전자 주식회사 | Method and apparatus for indicating resource allocation in device-to-device communication |
| CN105101392A (en) * | 2014-05-14 | 2015-11-25 | 上海贝尔股份有限公司 | SA information transmission method and apparatus used in D2D system |
| CN105208626A (en) * | 2014-06-13 | 2015-12-30 | 中兴通讯股份有限公司 | Communication method of wireless network, access equipment, and user equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150245334A1 (en) * | 2014-02-27 | 2015-08-27 | Innovative Sonic Corporation | Method and apparatus for device to device service in a wireless communication system |
| CN105025576B (en) * | 2014-04-19 | 2019-07-12 | 上海朗帛通信技术有限公司 | Resource allocation methods and device in a kind of D2D communication |
| WO2015199353A1 (en) * | 2014-06-24 | 2015-12-30 | 엘지전자 주식회사 | Resource allocation method for communication between transceiving terminals in communication system supporting device to device communication, and apparatus therefor |
| CN105307107B (en) * | 2015-10-31 | 2019-05-14 | 深圳市金立通信设备有限公司 | A kind of determination method and terminal occupying resource block |
-
2016
- 2016-02-04 CN CN201610080142.2A patent/CN107041001B/en active Active
- 2016-12-15 WO PCT/CN2016/110109 patent/WO2017133334A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015160197A1 (en) * | 2014-04-17 | 2015-10-22 | 엘지전자(주) | Method for determining resource for transmitting signal in wireless communication system and apparatus therefor |
| CN104202740A (en) * | 2014-05-08 | 2014-12-10 | 中兴通讯股份有限公司 | Communication data transmitting method and device and user equipment |
| US20150327315A1 (en) * | 2014-05-09 | 2015-11-12 | Samsung Electronics Co., Ltd. | Schemes related to resource allocation, discovery and signaling in d2d systems |
| WO2015170902A1 (en) * | 2014-05-09 | 2015-11-12 | 삼성전자 주식회사 | Method and apparatus for indicating resource allocation in device-to-device communication |
| CN105101392A (en) * | 2014-05-14 | 2015-11-25 | 上海贝尔股份有限公司 | SA information transmission method and apparatus used in D2D system |
| CN105208626A (en) * | 2014-06-13 | 2015-12-30 | 中兴通讯股份有限公司 | Communication method of wireless network, access equipment, and user equipment |
Non-Patent Citations (1)
| Title |
|---|
| 卫海燕等: "LTE系统在ISM频段快速传输的方法", 《安徽大学学报(自然科学版)》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111385765A (en) * | 2018-12-28 | 2020-07-07 | 电信科学技术研究院有限公司 | Information transmission method and terminal |
| CN111385765B (en) * | 2018-12-28 | 2022-07-22 | 大唐移动通信设备有限公司 | Information transmission method and terminal |
| CN111490998A (en) * | 2019-01-25 | 2020-08-04 | 电信科学技术研究院有限公司 | Information processing method, device, terminal and computer readable storage medium |
| WO2022077448A1 (en) * | 2020-10-16 | 2022-04-21 | Lenovo (Beijing) Limited | Methods and apparatuses for indicating a set of resources on a nr sidelink |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017133334A1 (en) | 2017-08-10 |
| CN107041001B (en) | 2023-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104125610B (en) | Data transmission method for uplink and equipment in D2D communications | |
| CN105101431B (en) | Device-to-device communication method, device and system | |
| CN103109506B (en) | Described in the wireless communication system to one group of same STID or C-RNTI of terminal distribution, one group of terminal receives method and the method for described terminal request bandwidth of downlink control channel | |
| CN104184540B (en) | Data transmission method and equipment in D2D communications | |
| CN103141144B (en) | Base station, wireless communications method, wireless communication system and wireless terminal | |
| CN110087211A (en) | The method and apparatus of isomery RAT sending and receiving data is used in V2X communication system | |
| CN110099366A (en) | The operation method of communication node | |
| CN106507486A (en) | For the method for transmitting uplink data, the network equipment and terminal unit | |
| US11943746B2 (en) | Method and device for transmitting and receiving HARQ feedback information on basis of SCI format in NR V2X | |
| CN108781452A (en) | Method for wireless communications in wireless communication system and equipment | |
| CN106507497A (en) | For the method for transmitting uplink data, terminal unit and the network equipment | |
| CN107040960A (en) | V2X communication means and device in car networking | |
| CN106535351A (en) | Method and device for transmitting data | |
| CN107041001A (en) | The determination method and device of the communication resource | |
| US20220303059A1 (en) | Method and device for reservation of sidelink resource in communication system | |
| CN105338518A (en) | Device and method in wireless communication system | |
| KR20210020783A (en) | Method for configuring sidelink resources in communication system | |
| CN112399624A (en) | Operation method of first terminal in communication system | |
| CN107734548A (en) | The channel sending method and device of V2X communications | |
| CN106488384A (en) | A kind of method and device sending packet | |
| CN107041002A (en) | The indicating means and device of data channel sub-frame | |
| CN114080770B (en) | Method and apparatus for determining feedback resources in NR V2X | |
| EP4037410A1 (en) | Method and device for allocating sidelink resource in communication system | |
| US20230199801A1 (en) | Method and apparatus for transmitting and receiving sidelink data in communication system | |
| CN110291834A (en) | Alleviate process for the conflict without license Uplink multiple access |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |