CN108811147A - Information transferring method and device - Google Patents
Information transferring method and device Download PDFInfo
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- CN108811147A CN108811147A CN201710311886.5A CN201710311886A CN108811147A CN 108811147 A CN108811147 A CN 108811147A CN 201710311886 A CN201710311886 A CN 201710311886A CN 108811147 A CN108811147 A CN 108811147A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
Abstract
The present invention provides a kind of information transferring method and device, method includes：Receive the resource scheduling information that network side is sent；The short transmission time interval where the side link circuit resource of resource scheduling information instruction is determined according to the first sequential relationship or the second sequential relationship, wherein, first sequential relationship is the sequential relationship between the serial number of the subframe where resource scheduling information and the serial number of the short transmission time interval where the link circuit resource of side, second sequential relationship is the sequential relationship between the serial number of the short transmission time interval where resource scheduling information and the serial number of the short transmission time interval where the side link circuit resource, and the first sequential relationship or the second sequential relationship are predefined by system or network side configuration；The transmission of at least one following information is carried out in the short transmission time interval resource on side chain road：Control information, data information.Through the invention, solve the problems, such as that terminal can not obtain the Sidelink resource distributions using short TTI as chronomere.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of information transferring method and device.
Background technology
In long term evolution (Long Term Evolution, referred to as LTE) D2D (Device-to-Device) communication system
In system, when having business to need transmission between user equipment (User Equipment, referred to as UE), the business datum between UE is not
By the forwarding of base station, but directly target UE is given by air interface transmission by data source UE.Car networking communication is D2D communications
A kind of special applications in car networking, car networking system refer to the sensor, car-mounted terminal and electricity by being loaded on vehicle
The equipment such as subtab provide information of vehicles, using the various communication technologys realize vehicle and vehicle (Vehicle to Vehicle, referred to as
V2V), vehicle and people (Vehicle to Person, referred to as V2P), vehicle and infrastructure (Vehicle to
Infrastructure, referred to as V2I) between interconnection and interflow, and information is extracted on information network platform, is shared
Etc. efficiently using, effective management and control is carried out to vehicle and integrated service is provided system.Car networking may be implemented based on communication
Vehicle information notifying and risk of collision early warning, it is real by using advanced wireless communication technique and generation information treatment technology
Existing real-time information interaction between vehicle and vehicle, vehicle and trackside infrastructure, inform state current each other (including the position of vehicle,
Speed, acceleration, driving path) and the road environment information known, collaborative sensing road hazard condition a variety of touch is provided in time
Warning information is hit, prevents the generation of traffic safety accident, car networking communication from becoming current solving road traffic safety problem
A kind of new thinking.
Fig. 1 is information exchange (vehicle to X are referred to as, V2X) communication structure of vehicle and vehicle signal in the related technology
Figure, as shown in Figure 1, the Radio Link between V2X UE is known as side chain road (Sidelink, referred to as SL).Recently as new
The development of mobile communication technology, based on LTE system come to solve car networking communication be one of hot research, in LTE standard system
Define the side chain road Sidelink relevant criterions for supporting V2V communications.In the V2V defined in 14 standards of LTE Release
In Sidelink communication plans, the Sidelink of UE is controlled and data information transfer is using LTE subframes subframe as base unit,
Into the transmission of row information, i.e., with a subframe subframe for a Transmission Time Interval (Transmission Time
Interval, referred to as TTI).Since in V2X business demands, requirement of the partial service in terms of time delay is very high, with LTE Rel-
The V2X communications of 14 standards are difficult to meet harsh delay requirement.
In Sidelink transmission, currently without using LTE short transmissions time interval (short TTI, referred to as sTTI)
The transmission plan of structure, then evolved node B (evolved Node B, referred to as eNB) can not be to Sidelink configuration instructions
Short TTI resources can not obtain the short transmission time interval Sidelink short TTI moneys on side chain road so as to cause terminal
The problem of source.
In view of the above technical problems, effective solution scheme is not yet proposed in the related technology.
Invention content
An embodiment of the present invention provides a kind of information transferring method and devices, can not at least to solve terminal in the related technology
The problem of obtaining using short TTI as the Sidelink resource distributions of chronomere.
According to one embodiment of present invention, a kind of information transferring method is provided, including：Receive the money that network side is sent
Source scheduling information；The side link circuit resource of the resource scheduling information instruction is determined according to the first sequential relationship or the second sequential relationship
The short transmission time interval at place, wherein first sequential relationship is the serial number of the subframe where the resource scheduling information
Sequential relationship between the serial number of the short transmission time interval where with the side link circuit resource, second sequential relationship
The serial number and the short transmission where the side link circuit resource for being the short transmission time interval where the resource scheduling information
Sequential relationship between the serial number of time interval, first sequential relationship or second sequential relationship predefined by system or
Network side configures；The transmission of at least one following information is carried out on the side link circuit resource：Control information, data information.
According to another embodiment of the invention, a kind of information carrying means is also provided, including：Receiving module, for connecing
Receive the resource scheduling information that network side is sent；Determining module, for determining institute according to the first sequential relationship or the second sequential relationship
State the short transmission time interval where the side link circuit resource of resource scheduling information instruction, wherein first sequential relationship is institute
State the serial number of the serial number and the short transmission time interval where the side link circuit resource of the subframe where resource scheduling information
Between sequential relationship, second sequential relationship is the sequence of the short transmission time interval where the resource scheduling information
Number and the side link circuit resource where short transmission time interval serial number between sequential relationship, first sequential relationship or
Second sequential relationship is predefined by system or network side configuration；Transmission module, for enterprising in the side link circuit resource
The transmission of at least one the following information of row：Control information, data information.
According to another embodiment of the invention, a kind of storage medium is also provided, the storage medium includes the journey of storage
Sequence, wherein described program executes method described in any one of the above embodiments when running.
According to another embodiment of the invention, a kind of processor is also provided, the processor is used to run program,
In, described program executes method described in any one of the above embodiments when running.
Through the invention, since terminal receives the resource scheduling information that network side is sent, according to the first sequential relationship or the
Two sequential relationships determine the short transmission time interval where the side link circuit resource of scheduling information instruction, wherein the first sequential relationship
It is between the serial number of the subframe where resource scheduling information and the serial number of the short transmission time interval where the link circuit resource of side
Sequential relationship, the second sequential relationship is serial number and the side link circuit resource institute of the short transmission time interval where resource scheduling information
Short transmission time interval serial number between sequential relationship, the first sequential relationship or the second sequential relationship are predefined by system
Or network side configuration；Terminal carries out the transmission of control information and/or data information on the link circuit resource of side.It therefore, can be with
Solve the problems, such as that terminal in the related technology can not obtain the Sidelink resources using short TTI as chronomere.Reach terminal
Sidelink short TTI resources can be obtained, and can be in the effect of the transmission of the enterprising row information of Sidelink resources of configuration
Fruit.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is information exchange (vehicle to X are referred to as, V2X) communication structure of vehicle and vehicle signal in the related technology
Figure；
Fig. 2 is a kind of hardware block diagram of the mobile terminal of information transferring method of the embodiment of the present invention；
Fig. 3 is the flow chart of information transferring method according to the ... of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of LTE system frame in the related technology；
Fig. 5 is LTE system resource block RB structural schematic diagrams in the related technology；
Fig. 6 is LTE system short TTI resource structures schematic diagrames in the related technology；
Fig. 7 is the sequential relationship schematic diagram that LTE system eNB dispatches PUSCH resources by DCI in the related technology；
Fig. 8 is the sequential relationship schematic diagram that LTE system eNB dispatches sPUSCH resources by sDCI in the related technology；
Fig. 9 is the sub-frame configuration schematic diagram in LTE system Sidelink resource pools in the related technology；
Figure 10 is the schematic diagram (one) for dispatching Sidelink short TTI resource allocation methods in the present embodiment by DCI；
Figure 11 is the schematic diagram (two) for dispatching Sidelink short TTI resource allocation methods in this implementation by DCI；
Figure 12 is the schematic diagram (one) for dispatching Sidelink short TTI resource allocation methods in the present embodiment by sDCI；
Figure 13 is the schematic diagram (two) for dispatching Sidelink short TTI resource allocation methods in the present embodiment by sDCI；
Figure 14 is the structure diagram of information carrying means according to the ... of the embodiment of the present invention.
Specific implementation mode
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.
The embodiment of the method that the embodiment of the present application is provided can be in mobile terminal, terminal or similar operation
It is executed in device.For running on mobile terminals, Fig. 2 is a kind of mobile end of information transferring method of the embodiment of the present invention
The hardware block diagram at end.As shown in Fig. 2, mobile terminal 20 may include one or more (only showing one in Fig. 2) processing
Device 202 (processor 202 can include but is not limited to the processing unit of Micro-processor MCV or programmable logic device FPGA etc.),
Memory 204 for storing data and the transmitting device 206 for communication function.Those of ordinary skill in the art can be with
Understand, structure shown in Fig. 2 is only to illustrate, and does not cause to limit to the structure of above-mentioned electronic device.For example, mobile terminal 20
It may also include than shown in Fig. 2 more either less components or with the configuration different from shown in Fig. 2.
Memory 204 can be used for storing the software program and module of application software, such as the information in the embodiment of the present invention
Corresponding program instruction/the module of transmission method, processor 202 by operation be stored in software program in memory 204 and
Module realizes above-mentioned method to perform various functions application and data processing.Memory 204 may include high speed with
Machine memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory or other it is non-easily
The property lost solid-state memory.In some instances, memory 204 can further comprise remotely located relative to processor 202 deposit
Reservoir, these remote memories can pass through network connection to mobile terminal 20.The example of above-mentioned network is including but not limited to mutual
Networking, intranet, LAN, mobile radio communication and combinations thereof.
Transmitting device 206 is used to receive via a network or transmission data.Above-mentioned network specific example may include
The wireless network that the communication providers of mobile terminal 20 provide.In an example, transmitting device 206 includes a Network adaptation
Device (Network Interface Controller, referred to as NIC), can be connected with other network equipments by base station to
It can be communicated with internet.In an example, transmitting device 206 can be radio frequency (Radio Frequency, referred to as
RF) module is used to wirelessly be communicated with internet.
A kind of information transferring method is provided in the present embodiment, and Fig. 3 is information transmission side according to the ... of the embodiment of the present invention
The flow chart of method, as shown in figure 3, the flow includes the following steps：
Step S302 receives the resource scheduling information that network side is sent；
Step S304 determines the side chain of above-mentioned resource scheduling information instruction according to the first sequential relationship or the second sequential relationship
Short transmission time interval where the resource of road, wherein above-mentioned first sequential relationship is the subframe where above-mentioned resource scheduling information
Serial number and above-mentioned side link circuit resource where above-mentioned short transmission time interval serial number between sequential relationship, when above-mentioned second
Where order relation is serial number and the above-mentioned side link circuit resource of the above-mentioned short transmission time interval where above-mentioned resource scheduling information
Sequential relationship between the serial number of short transmission time interval, above-mentioned first sequential relationship or above-mentioned second sequential relationship are pre- by system
Definition or network side configuration；
Step S306 carries out the transmission of at least one following information on above-mentioned side link circuit resource：Control information, data letter
Breath.
Optionally, the executive agent of above-mentioned steps can be terminal, but not limited to this.
Through the invention, since terminal receives the resource scheduling information that network side is sent, according to the first sequential relationship or the
Two sequential relationships determine the short transmission time interval where the side link circuit resource of scheduling information instruction, wherein, the first sequential relationship
It is between the serial number of the subframe where resource scheduling information and the serial number of the short transmission time interval where the link circuit resource of side
Sequential relationship, the second sequential relationship is serial number and the side link circuit resource institute of the short transmission time interval where resource scheduling information
Short transmission time interval serial number between sequential relationship, the first sequential relationship or the second sequential relationship are predefined by system
Or network side configuration；Terminal carries out in identified side chain road Sidelink resources control information and/or data information
Transmission.Therefore, it terminal in the related technology can be solved can not obtain to match by the Sidelink resources of chronomere of short TTI
The problem of setting.Sidelink resource distributions using short TTI as chronomere can be obtained by reaching terminal, and can matched
The effect of the transmission for the enterprising row information of Sidelink resources set.
In the present embodiment, base station is sending resource scheduling information by DCI or sDCI to terminal.Also, the first sequential
Relationship and the second sequential relationship can be identical sequential relationships, can also be different sequential relationship.
In an alternative embodiment, it is controlled for Downlink Control Information DCI or short downlinks in above-mentioned resource scheduling information
When information sDCI, above-mentioned first sequential relationship includes：The serial number of subframe where above-mentioned DCI or above-mentioned sDCI and above-mentioned side chain road
Offset between the serial number of short transmission time interval where resource.
In an alternative embodiment, when above-mentioned resource scheduling information is short Downlink Control Information sDCI, above-mentioned the
Two sequential relationships include：The serial number of short transmission time interval where above-mentioned sDCI and the short transmission where above-mentioned side link circuit resource
Offset between the serial number of time interval.In the present embodiment, the serial number and side chain of the short transmission time interval where sDCI
Offset between the serial number of short transmission time interval where the resource of road, with DCI the or sDCI institutes described in above-described embodiment
Subframe serial number and side link circuit resource where short transmission time interval serial number between offset can be identical
Offset can also be different offset.
In an alternative embodiment, according to the serial number of the subframe where above-mentioned DCI or above-mentioned sDCI and above-mentioned side chain
When offset between the serial number of short transmission time interval where the resource of road determines the short transmission where above-mentioned side link circuit resource
Between be spaced, including at least one of：The serial number of subframe where above-mentioned DCI or above-mentioned sDCI and above-mentioned side link circuit resource
Offset k between the serial number of the short transmission time interval at place1, after determining the subframe where above-mentioned DCI or above-mentioned sDCI
Kth1Short transmission time interval of a short transmission time interval where the above-mentioned side link circuit resource that is configured, wherein above-mentioned k1
To be more than or equal to M1Minimum value so that above-mentioned kth1A short transmission time interval is the resource in the resource pool of side chain road, on
State k1、M1For positive integer, above-mentioned M1It is pre-configured by system or by network side configuration instruction；According to where above-mentioned DCI or above-mentioned sDCI
The serial number of subframe and the short transmission time interval serial number where above-mentioned side link circuit resource between offset k2, determine above-mentioned
The kth after subframe where DCI or above-mentioned sDCI2A short transmission time interval is where the above-mentioned side link circuit resource that is configured
Short transmission time interval, wherein above-mentioned k2Logic for the short transmission time interval resource in the resource pool of side chain road is continuous
Serial number, above-mentioned k2For positive integer, k2It is pre-configured by system or by network side configuration instruction.In the present embodiment, above-mentioned M1Value
It can be that system is pre-configured to terminal, can also be network side configuration instruction to terminal, terminal is according to stating M1Value determine k1
Value.
In an alternative embodiment, according to the serial number of the short transmission time interval where above-mentioned sDCI and above-mentioned side chain
When offset between the serial number of short transmission time interval where the resource of road determines the short transmission where above-mentioned side link circuit resource
Between interval include at least one of：The serial number of short transmission time interval where above-mentioned sDCI and above-mentioned side link circuit resource
Offset k between the serial number of the short transmission time interval at place3, after determining the short transmission time interval where above-mentioned sDCI
Kth3Short transmission time interval of a short transmission time interval where the above-mentioned side link circuit resource that is configured, wherein above-mentioned k3
To be more than or equal to M2Minimum value so that above-mentioned kth3A short transmission time interval is the resource in the resource pool of side chain road, on
State k3、M2For positive integer, above-mentioned M2It is pre-configured by system or by network side configuration instruction；Short transmission where above-mentioned sDCI
Offset k between the serial number of short transmission time interval where time interval serial number and above-mentioned side link circuit resource4, determine above-mentioned
The kth after short transmission time interval where sDCI4A short transmission time interval is the above-mentioned side link circuit resource institute that is configured
Short transmission time interval, wherein above-mentioned k4Logic for the short transmission time interval resource in the resource pool of side chain road is continuous
Serial number, above-mentioned k4For positive integer, k4It is pre-configured by system or by network side configuration instruction.
In an alternative embodiment, above-mentioned side link circuit resource includes at least one of：Physics side chain road control letter
Using short transmission time interval as the resource of chronomere in road PSCCH；When in the link shared channels PSSCH of physics side with short transmission
Between between be divided into the resource of chronomere；Short structure physics side chain road control channel sPSCCH；The shared letter in short structure physics side chain road
Road sPSSCH.
Matched by predefined or network side in the case where Sidelink is using Short TTI structure situations by above-described embodiment
Set the sequential between the scheduling of resource indication signaling and the Sidelink short TTI resources configured of the determining network side of instruction
Relationship obtains indicated Sidelink short TTI resources, and further uses indicated Sidelink short
TTI resources carry out the transmission of signal, and reaching reduces Sidelink scheduling of resource time delays, improve resource utilization, resource is avoided to refer to
Show the effect of conflict.
With reference to specific embodiment, the present invention will be described in detail：
The present embodiment proposes a kind of method of side chain road Sidelink resource distributions, and Short is used in Sidelink
Under TTI structure situations, determines the scheduling of resource indication signaling of network side by predefined or network side configuration instruction and configured
Sidelink resources between sequential relationship, obtain it is indicated as unit of short TTI Sidelink resources (below
Referred to as Sidelink short TTI resources), and further use indicated Sidelink short TTI resources and carry out
The transmission of signal.The method that the present embodiment proposes specifically includes：
According to system is predefined or the sequential relationship of network side configuration instruction, configured Sidelink short are determined
TTI resources, and Sidelink control and/or are further sent in the Sidelink short TTI resources configured
Data information, wherein
Sequential relationship refers to the son where network side transmission Downlink Control Information DCI or short structure Downlink Control Information sDCI
The short TTI serial numbers at frame number or place, opposite offset is closed between the Sidelink short TTI serial numbers that are configured
System.
Network side sends DCI in subframe #n (sub-frame number where corresponding DCI among the above), then is configured
Sidelink short TTI resources are the kth after the subframe #n1A short TTI, k1It is greater than and is equal to M1Minimum
Value, and meet the kth1A short TTI are the resources in Sidelink resource pools；
Network side sends the DCI in subframe #n, then the Sidelink short TTI resources configured be subframe #n it
The kth by logical order number afterwards2The logical sequence number of a short TTI, the Sidelink short TTI refer to
In resource in Sidelink resource pools, the continuous serial number of logic is carried out by chronomere of short TTI；
Described in network side is sent in short TTI#n (serial number of the short TTI where corresponding sDCI among the above)
SDCI, then the Sidelink short TTI resources configured are the kth after the short TTI#n3A short TTI, k3
It is greater than and is equal to M2Minimum value, and meet the kth3A short TTI are the resources in Sidelink resource pools；
Network side sends sDCI in short TTI#n, then the Sidelink short TTI resources configured are described
The kth by logical order number after short TTI#n4A short TTI.
M in above-mentioned sequential relationship1, k2, M2, k4Value is predefined for system, or by network side by high-level signaling and/
Or physical layer signaling configuration instruction.
Sidelink control information is sent in Sidelink short TTI resources and/or data information includes,
Sidelink Short TTI resources include following any one or more：PSCCH, PSSCH, sPSCCH, sPSSCH.
In the present embodiment, network side includes one or more in following entity：Evolved base station (eNB), relay station
(RN), cell cooperative entity (MCE), gateway (GW), mobility management apparatus (MME), Evolved UTRAN
(EUTRAN) operational administrative and safeguard (OAM) manager, below using eNB as network side entity for illustrate.
In LTE system, radio resource divides resource as unit of radio frames in the time domain, and each radio frames are 10ms,
Including 10 subframes.Each subframe is 1ms, is divided into 2 slot of 0.5ms, Fig. 4 is the structure of LTE system frame in the related technology
Schematic diagram, as shown in Figure 4.When system frame structure uses general cyclic prefix (Normal Cyclic Prefix, abbreviation Normal
When CP), each subframe contains 14 single-carrier frequency division multiple access (Single-carrier Frequency Division
Multiple Access, abbreviation SC-FDMA) symbol or orthogonal frequency division multiplexing (Orthogonal Frequency Division
Multiplexing, abbreviation OFDM) symbol, it is divided into 2 slot, includes 7 symbols on each slot, when system frame structure uses
When extended cyclic prefix (Extended Cyclic Prefix, referred to as Extended CP), each subframe contains 12 symbols
Number, include 6 symbols on each slot.On frequency domain, resource is divided as unit of subcarrier, each subcarrier includes 15kHz
Or 7.5kHz resources.According to the dividing unit of above-mentioned time domain and frequency domain resource, eNB is that the least unit of UE scheduling running time-frequency resources is
RB (Resource Block, resource block), RB are defined as being in the time domain 1 slot, are continuous on frequency domainHeight carries
Wave,As shown in Figure 5.
In LTE system, defined Short TTI resource structures at present.It is dispatched by time domain minimum of subframe with above-mentioned
Unit is different, uses shorter time domain scheduling unit, i.e. short TTI in system, and Fig. 6 is LTE system eNB in the related technology
The schematic diagram of the sequential relationship of sPUSCH resources is dispatched by sDCI, as shown in Figure 6.Each subframe can be divided into 6
Include 2 or 3 OFDM/SC-FDMA symbols in sTTI, each sTTI, or each subframe is divided into 2 sTTI,
Each sTTI includes 7 OFDM/SC-FDMA symbols, i.e., a slot is as a sTTI.The TTI structures of shorter time,
Faster scheduling of resource may be implemented, to be adapted to the business of more high-timeliness requirement.
Using subframe as in the scheduling of resource of time domain scheduling unit, eNB is sent out in the PDCCH resource of downlink subframe #n to UE
DCI is sent, is dispatched in DCI and indicates the Physical Uplink Shared Channel PUSCH resources that #n+4 subframes are configured by UE, UE is received
Carried in PDCCH resource DCI instruction information, according to fixed #n subframes DCI dispatch instruction #n+4 subframe PUSCH resources when
Order relation determines that the carrying using the PUSCH resources in #n+4 subframes into row information is transmitted, as shown in Figure 7.
Using short TTI as in the scheduling of resource of time domain scheduling unit, eNB is provided in the sPDCCH of DL short TTI#n
SDCI is sent to UE on source, is dispatched in sDCI and indicates the sPUSCH resources that #n+k short TTI are configured by UE, UE is received
The sDCI instruction information carried in sPDCCH resources, instruction short TTI#n are dispatched according to the sDCI of fixed short TTI#n
The sequential relationship of+k sPUSCH resources determines that the carrying using the sPUSCH resources on short TTI#n+k into row information passes
It is defeated, as shown in Figure 8.
In the V2X communications of the prior art, the available resources of V2X UE are configured in a manner of resource pool.It is divided into PSCCH
Resource pool and PSSCH resource pools are respectively used to carrying Sidelink control information and data information, PSCCH resource pools and PSSCH
Resource pool includes in the time domain identical subframe, is indicated in a manner of bitmap.Include in PSCCH/PSSCH resource pools is multiple
Subframe, is the subset of system uplink subframe Uplink subframe, and the subframe in PSCCH/PSSCH resource pools in the time domain may be used
It, can be to PSCCH/ with discontinuously arranged, therefore relative to the physics serial number subframe index#m of each sub-frame of uplink
Subframe in PSSCH resource pools carries out logic continuous arrangement, and the logic for redefining each subframe in resource pool is continuous
Sub-frame number, i.e. logic subframe index#M, the relationship of the two are as shown in Figure 9.With in the example of Fig. 9, same height
Frame, such as subframe index#2, corresponding logic subframe index are index#0.
When DCI indicates Sidelink resources in the prior art, DCI is sent in #n subframes, then is accordingly dispatched
Sidelink PSCCH/PSSCH resources are located at #n+k subframes, and #n+k subframes are the subframe in Sidelink resource pools.When
When Sidelink resources use short TTI structures, eNB is that UE indicates that the DCI of Sidelink scheduling of resource also needs to determine
Sequential relationship, to uniquely determine indicated Sidelink short TTI resources.The present embodiment is proposed for this problem
A kind of method and device of Sidelink resource distributions, with to solve the above technical problems.
In Sidelink transmission, currently without the transmission plan using LTE sTTI structures, without loss of generality, this reality
It applies in example to discuss based on defined sTTI subframe structures (as shown in Figure 6) in cellular communication.
Method one：
When eNB subframe#n by DCI send Sidelink short TTI resource scheduling informations when, it is scheduled
K-th short TTI, k after Sidelink short TTI resources are subframe#n are the minimum value more than or equal to M,
It is the resource in Sidelink resource pools to make k-th indicated of short TTI.The value of M is predefined by system, or by eNB
It is indicated by high-level signaling or physical layer signaling.
Specific embodiment 1：
When system predefines M=4, then UE receives DCIs of the eNB to Sidelink short TTI in subframe#n
After scheduling information, on the basis of the subframe#n where DCI, short TTI are pressed in the subframe in Sidelink resource pools
The qualified minimum value k of structure determination, it is Sidelink subframe to make k-th of short TTI after subframe#n
In resource, and k >=M.
As shown in Figure 10, eNB indicates Sidelink short TTI scheduling of resource in DCI for UE, sends DCI's
PDCCH resource is located at subframe#n, and includes subframe #n, #n+3, #n+4 in Sidelink resource pools.Sidelink subframes are adopted
With the structure of 2 short TTI of each subframe, therefore the i.e. subframe# of Sidelink short TTI that eNB is configured by UE
STTI#4 in n+3 meets condition k=5 at this time, and k is more than M, and corresponding sTTI is located in Sidelink subframe.
UE is according to the subframe where the DCI of eNB instructions and DCI instruction information and between indicated Sidelink short TTI
Sequential relationship, determine configured Sidelink short TTI resources, and sent in indicated short TTI resources
Sidelink information.
Method two：
When eNB subframe#n by DCI send Sidelink short TTI scheduling informations when, it is scheduled
Sidelink short TTI resources are k-th of logic short TTI after subframe#n.The logic
Short TTI refer to the short TTI resources by the continuous serial number of logic in Sidelink subframe.
Specific embodiment 2：
ENB indicates that UE is set as k=4 to Sidelink scheduling of resource sequential by RRC information, then UE is in subframe#n
After eNB is received to the DCI scheduling informations of Sidelink short TTI, on the basis of the subframe#n where DCI,
By the continuous short TTI sequences of logic in subframe in Sidelink resource pools, k-th after subframe#n is determined
Logic sTTI are the resource that is configured, and the carrying for being carried out using this resource Sidelink information is sent.
As shown in figure 11, eNB indicates Sidelink short TTI scheduling of resource in DCI for UE, sends DCI's
PDCCH resource is located at subframe#n, and includes subframe #n, #n+3, #n+4 in Sidelink resource pools.Sidelink subframes are adopted
With the structure of 2 short TTI of each subframe, therefore the Sidelink short TTI that eNB is configured by UE are subframe#
The logic sTTI#3 in the 4th logic short TTI, i.e. subframe#n+4 after n.UE refers to according to the DCI of eNB
Show and DCI instruction information where subframe and indicated Sidelink short TTI between sequential relationship, determine institute
The Sidelink short TTI resources of configuration, and Sidelink information is sent in indicated short TTI resources.
Method three
When eNB short TTI#n by sDCI send Sidelink short TTI resource scheduling informations when, it is scheduled
Sidelink short TTI resources be short TTI#n after k-th of short TTI, k is the minimum more than or equal to M
Value, it is the resource in Sidelink resource pools to make k-th indicated of short TTI.
Specific embodiment 3：
ENB indicates M=4, and the Sidelink short that eNB is indicated to configure by sDCI by UE by physical layer signaling
TTI resources.Then UE is after DL short TTI#n receive eNB to the sDCI scheduling informations of Sidelink short TTI, with
On the basis of short TTI#n where sDCI, the resource in Sidelink resource pools meets item by short TTI structure determinations
The minimum value k of part makes k-th of short TTI after short TTI#n be the resource in Sidelink subframe, and k
≥M。
As shown in figure 12, eNB indicates Sidelink short TTI scheduling of resource in sDCI for UE, and eNB is in DL subframe
On using 6 short TTI of each subframe structure, the sPDCCH resources for sending sDCI are located at short TTI#n, and
Include subframe #n, #n+2, #n+4 in Sidelink resource pools.Sidelink subframes use the knot of 2 short TTI of each subframe
Structure, therefore the sTTI#3 in the i.e. subframe#n+2 of Sidelink short TTI that are configured by UE of eNB, meet condition at this time
K=4, k=M, and corresponding sTTI is located in Sidelink subframe.UE is indicated according to the sDCI of eNB and sDCI
The sequential relationship between short TTI and indicated Sidelink short TTI where instruction information, determination are configured
Sidelink short TTI resources, and in indicated short TTI resources send Sidelink information.
Method four
When eNB short TTI#n by sDCI send Sidelink short TTI resource scheduling informations when, it is scheduled
Sidelink short TTI resources be short TTI#n after k-th of logic short TTI.The logic
Short TTI refer to the short TTI resources by the continuous serial number of logic in Sidelink subframe.
Specific embodiment 4：
System predefines Sidelink scheduling of resource sequential k=6, then UE receives eNB pairs in DL short TTI#n
After the sDCI scheduling informations of Sidelink short TTI, on the basis of the short TTI#n where sDCI, provided in Sidelink
By the continuous short TTI sequences of logic in subframe in the pond of source, k-th of logic after short TTI#n is determined
STTI is the resource that is configured, and the carrying for being carried out using this resource Sidelink information is sent.
As shown in figure 13, eNB indicates Sidelink short TTI scheduling of resource in sDCI for UE, and eNB is in DL subframe
On using 2 short TTI of each subframe structure, the sPDCCH resources for sending sDCI are located at short TTI#n, and
Include subframe #n+2, #n+3, #n+4 in Sidelink resource pools.Sidelink subframes are using 2 short TTI's of each subframe
Structure, thus the Sidelink short TTI that are configured by UE of eNB be subframe#n after the 6th logic short
Logic sTTI#5 in TTI, i.e. subframe#n+4.UE is according to where the sDCI of eNB instructions and sDCI instruction information
Sequential relationship between subframe and indicated Sidelink short TTI determines configured Sidelink short TTI
Resource, and Sidelink information is sent in indicated short TTI resources.
It should be noted that the Sidelink sTTI resources that UE is determined according to the above method can specifically include PSCCH,
It is any one or more in PSSCH, sPSCCH, sPSSCH resource.Wherein, sPSCCH is Sidelink short TTI structures
In, the dedicated channel for carrying Sidelink control information, sPSSCH is Sidelink short TTI
In structure, the channel for carrying Sidelink data.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical scheme of the present invention is substantially in other words to existing
The part that technology contributes can be expressed in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
A kind of information carrying means is additionally provided in the present embodiment, and the device is real for realizing above-described embodiment and preferably
Mode is applied, repeating no more for explanation had been carried out.As used below, the soft of predetermined function may be implemented in term " module "
The combination of part and/or hardware.Although device described in following embodiment is preferably realized with software, hardware, or
The realization of the combination of software and hardware is also that may and be contemplated.
Figure 14 is the structure diagram of information carrying means according to the ... of the embodiment of the present invention, and as shown in figure 14, which includes：
Receiving module 1402, determining module 1404 and transmission module 1406, are below described in detail the device：
Receiving module 1402, the resource scheduling information for receiving network side transmission；Determining module 1404 is connected to above-mentioned
In receiving module 1402, for determining the instruction of above-mentioned resource scheduling information according to the first sequential relationship or the second sequential relationship
Short transmission time interval where the link circuit resource of side, wherein where above-mentioned first sequential relationship is above-mentioned resource scheduling information
Sequential relationship between the serial number of above-mentioned short transmission time interval where the serial number of subframe and above-mentioned side link circuit resource, above-mentioned
Two sequential relationships are the serial number of the above-mentioned short transmission time interval where above-mentioned resource scheduling information and above-mentioned side link circuit resource institute
Short transmission time interval serial number between sequential relationship, above-mentioned first sequential relationship or above-mentioned second sequential relationship are by being
System is predefined or network side configures；Transmission module 1406 is connected to determining module 1404 among the above, in above-mentioned side chain
The transmission of at least one following information is carried out in the resource of road：Control information, data information.
In an alternative embodiment, above-mentioned determining module 1404 includes following one：First determination unit is used for
When above-mentioned resource scheduling information is DCI or short Downlink Control Information sDCI, subframe where above-mentioned DCI or above-mentioned sDCI
Link circuit resource when serial number and the above-mentioned offset between the serial number of the short transmission time interval where link circuit resource determine above-mentioned
The short transmission time interval at place；Second determination unit is used for when above-mentioned resource scheduling information is sDCI, according to above-mentioned sDCI
The offset between short transmission time interval serial number where the serial number of the short transmission time interval at place and above-mentioned side link circuit resource
Amount determines the short transmission time interval where above-mentioned side link circuit resource.
In an alternative embodiment, above-mentioned first determination unit includes at least one of：First determination subelement,
For the serial number according to the subframe where above-mentioned DCI or above-mentioned sDCI and the short transmission time interval where above-mentioned side link circuit resource
Serial number between offset k1, determine the kth after the subframe where above-mentioned DCI or above-mentioned sDCI1A short transmission time interval
Short transmission time interval where the above-mentioned side link circuit resource that is configured, wherein above-mentioned k1To be more than or equal to M1Minimum
Value, so that above-mentioned kth1A short transmission time interval is the resource in the resource pool of side chain road, above-mentioned k1、M1For positive integer, above-mentioned M1
It is pre-configured by system or by network side configuration instruction；Second determination subelement, for according to where above-mentioned DCI or above-mentioned sDCI
Offset k between the serial number of short transmission time interval where the serial number of subframe and above-mentioned side link circuit resource2, determine above-mentioned
The kth after subframe where DCI or above-mentioned sDCI2A short transmission time interval is where the above-mentioned side link circuit resource that is configured
Short transmission time interval, wherein above-mentioned k2For the continuous serial number of logic of the short transmission time interval in the resource pool of side chain road,
Above-mentioned k2For positive integer, k2It is pre-configured by system or by network side configuration instruction.
In an alternative embodiment, above-mentioned second determination unit includes at least one of：Third determination subelement,
For according between the short transmission time where the serial number of the short transmission time interval where above-mentioned sDCI and above-mentioned side link circuit resource
Every serial number between offset k3, determine the kth after the short transmission time interval where above-mentioned sDCI3A short transmission time
Between be divided into short transmission time interval where the above-mentioned side link circuit resource configured, wherein above-mentioned k3To be more than or equal to M3's
Minimum value, so that above-mentioned kth3A short transmission time interval is the resource in the resource pool of side chain road, above-mentioned k3、M3For positive integer, on
State M3It is to be pre-configured by system or by network side configuration instruction；4th determination subelement, for according to where above-mentioned sDCI
The offset k between short transmission time interval serial number where the serial number of short transmission time interval and above-mentioned side link circuit resource4, really
The kth after short transmission time interval where fixed above-mentioned sDCI4A short transmission time interval is the above-mentioned side chain road that is configured
Short transmission time interval where resource, wherein above-mentioned k4Connect for the logic of the short transmission time interval in the resource pool of side chain road
Continuous serial number, above-mentioned k4For positive integer, k4It is pre-configured by system or by network side configuration instruction.
In an alternative embodiment, above-mentioned side link circuit resource includes at least one of：Physics side chain road control letter
Using short transmission time interval as the resource of chronomere in road PSCCH；When in the link shared channels PSSCH of physics side with short transmission
Between between be divided into the resource of chronomere；Short structure physics side chain road control channel sPSCCH；The shared letter in short structure physics side chain road
Road sPSSCH.
According to another embodiment of the invention, a kind of storage medium is also provided, the storage medium includes the journey of storage
Sequence, wherein described program executes method described in any one of the above embodiments when running.
According to another embodiment of the invention, a kind of processor is also provided, the processor is used to run program,
In, described program executes method described in any one of the above embodiments when running.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this：Above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned modules are with arbitrary
The form of combination is located in different processors.
The embodiments of the present invention also provide a kind of storage medium, which includes the program of storage, wherein above-mentioned
Program executes method described in any one of the above embodiments when running.
Optionally, in the present embodiment, above-mentioned storage medium can be set to store for executing above each step
Program code.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only memory (Read-
Only Memory, referred to as ROM), it is random access memory (Random Access Memory, referred to as RAM), mobile hard
The various media that can store program code such as disk, magnetic disc or CD.
The embodiments of the present invention also provide a kind of information transmission equipment, including memory and processor, above-mentioned memories
With processor for running program, wherein execute the step in any of the above-described method when the program is run.
Optionally, the specific example in the present embodiment can refer to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be with different from shown in sequence execution herein
The step of going out or describing, either they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.It is all the present invention principle within, made by it is any modification, etc.
With replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of information transferring method, which is characterized in that including：
Receive the resource scheduling information that network side is sent；
Where the side link circuit resource for determining the resource scheduling information instruction according to the first sequential relationship or the second sequential relationship
Short transmission time interval, wherein first sequential relationship be the subframe where the resource scheduling information serial number with it is described
Sequential relationship between the serial number of the short transmission time interval where the link circuit resource of side, second sequential relationship is described
Between the serial number of the short transmission time interval where resource scheduling information and the short transmission time where the side link circuit resource
Every serial number between sequential relationship, first sequential relationship or second sequential relationship is predefined by system or network side
Configuration；
The transmission of at least one following information is carried out on the side link circuit resource：Control information, data information.
2. according to the method described in claim 1, it is characterized in that, being Downlink Control Information DCI in the resource scheduling information
Or when short Downlink Control Information sDCI, first sequential relationship includes：
The sequence of the serial number of subframe where the DCI or described sDCI and the short transmission time interval where the side link circuit resource
Offset between number.
3. according to the method described in claim 1, it is characterized in that, being short Downlink Control Information in the resource scheduling information
When sDCI, second sequential relationship includes：
The serial number of short transmission time interval where the sDCI and the short transmission time interval where the side link circuit resource
Offset between serial number.
4. according to the method described in claim 2, it is characterized in that, according to the sequence of the subframe where the DCI or described sDCI
Number and the offset between the serial number of the short transmission time interval where link circuit resource link circuit resource institute when determining described
Short transmission time interval, including at least one of：
The serial number of subframe where the DCI or described sDCI and the short transmission time interval where the side link circuit resource
Serial number between offset k1, determine the kth after the subframe where the DCI or described sDCI1A short transmission time interval
Short time interval where the side link circuit resource that is configured, wherein the k1To be more than or equal to M1Minimum value,
So that the kth1A short transmission time interval is the resource in the resource pool of side chain road, the k1、M1For positive integer, the M1By
System is pre-configured or by network side configuration instruction；
The serial number of subframe where the DCI or described sDCI and the short transmission time interval where the side link circuit resource
Serial number between offset k2, determine the kth after the subframe where the DCI or described sDCI2A short transmission time interval
Short time interval where the side link circuit resource that is configured, wherein the k2For the short transmission in the resource pool of side chain road
The continuous serial number of logic of time interval, the k2For positive integer, the k2It is pre-configured by system or by network side configuration instruction.
5. according to the method described in claim 3, it is characterized in that, according to the sequence of the short transmission time interval where the sDCI
Number and the offset between the serial number of the short transmission time interval where link circuit resource link circuit resource institute when determining described
Short transmission time interval include at least one of：
Between the short transmission time where the serial number of short transmission time interval where the sDCI and the side link circuit resource
Every serial number between offset k3, determine the kth after the short transmission time interval where the sDCI3A short transmission time
Between be divided into short transmission time interval where the side link circuit resource configured, wherein the k3To be more than or equal to M2's
Minimum value, so that the kth3A short transmission time interval is the resource in the resource pool of side chain road, the k3、M2For positive integer, institute
State M2It is pre-configured by system or by network side configuration instruction；
Short transmission time interval serial number where the sDCI and the short transmission time interval where the side link circuit resource
Serial number between offset k4, determine the kth after the short transmission time interval where the sDCI4Between a short transmission time
The short transmission time interval being divided into where the side link circuit resource configured, wherein the k4For in the resource pool of side chain road
The continuous serial number of logic of short transmission time interval, the k4For positive integer, the k4It is pre-configured by system or is configured by network side
Instruction.
6. method according to any one of claims 1-5, which is characterized in that the side link circuit resource include it is following at least
One of：
Using short transmission time interval as the resource of chronomere in the link control channel PSCCH of physics side；
Using short transmission time interval as the resource of chronomere in the link shared channels PSSCH of physics side；
Short structure physics side chain road control channel sPSCCH；
Share channel sPSSCH in short structure physics side chain road.
7. a kind of information carrying means, which is characterized in that including：
Receiving module, the resource scheduling information for receiving network side transmission；
Determining module, the side chain for determining the resource scheduling information instruction according to the first sequential relationship or the second sequential relationship
Short transmission time interval where the resource of road, wherein first sequential relationship is the subframe where the resource scheduling information
Serial number and the side link circuit resource where the short transmission time interval serial number between sequential relationship, when described second
Where order relation is serial number and the side link circuit resource of the short transmission time interval where the resource scheduling information
Sequential relationship between the serial number of short transmission time interval, first sequential relationship or second sequential relationship are pre- by system
Definition or network side configuration；
Transmission module, the transmission for carrying out at least one following information on the side link circuit resource：Control information, data letter
Breath.
8. device according to claim 7, which is characterized in that the determining module includes following one：
First determination unit, for being Downlink Control Information DCI or short Downlink Control Information sDCI in the resource scheduling information
When, the short transmission time interval where the serial number of the subframe where the DCI or described sDCI and the side link circuit resource
Serial number between offset determine the short transmission time interval where the side link circuit resource；
Second determination unit is used for when the resource scheduling information is sDCI, the short transmission time where the sDCI
Offset between the serial number of short transmission time interval where the serial number at interval and the side link circuit resource determines the side chain
Short transmission time interval where the resource of road.
9. device according to claim 8, which is characterized in that first determination unit includes at least one of：
First determination subelement is used for the serial number according to the subframe where the DCI or described sDCI and the side link circuit resource
Offset k between the serial number of the short transmission time interval at place1, after determining the subframe where the DCI or described sDCI
Kth1Short transmission time interval of a short transmission time interval where the side link circuit resource that is configured, wherein the k1
To be more than or equal to M1Minimum value so that the kth1A short transmission time interval is the resource in the resource pool of side chain road, institute
State k1、M1For positive integer, the M1It is pre-configured by system or by network side configuration instruction；
Second determination subelement is used for the serial number according to the subframe where the DCI or described sDCI and the side link circuit resource
Offset k between the serial number of the short transmission time interval at place2, after determining the subframe where the DCI or described sDCI
Kth2Short transmission time interval of a short transmission time interval where the side link circuit resource that is configured, wherein the k2
For the continuous serial number of logic of the short transmission time interval in the resource pool of side chain road, the k2For positive integer, the k2It is pre- by system
It configures or by network side configuration instruction.
10. device according to claim 8, which is characterized in that second determination unit includes at least one of：
Third determination subelement is used for the serial number according to the short transmission time interval where the sDCI and the side link circuit resource
Offset k between the serial number of the short transmission time interval at place3, after determining the short transmission time interval where the sDCI
Kth3Short transmission time interval of a short transmission time interval where the side link circuit resource that is configured, wherein the k3
To be more than or equal to M2Minimum value so that the kth3A short transmission time interval is the resource in the resource pool of side chain road, institute
State k3、M2For positive integer, the M2It is to be pre-configured by system or by network side configuration instruction；
4th determination subelement, for according to short transmission time interval serial number and the side link circuit resource institute where the sDCI
Short transmission time interval serial number between offset k4, after determining the short transmission time interval where the sDCI
Kth4Short transmission time interval of a short transmission time interval where the side link circuit resource that is configured, wherein the k4For
The continuous serial number of logic of short transmission time interval in the resource pool of side chain road, the k4For positive integer, the k4It is prewired by system
It sets or by network side configuration instruction.
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| PCT/CN2018/080410 WO2018201819A1 (en) | 2017-05-05 | 2018-03-26 | Information transmission method and device |
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| CN108811147B (en) | 2023-04-07 |
| WO2018201819A1 (en) | 2018-11-08 |
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