CN110392360A - A kind of available resources report method and device - Google Patents
A kind of available resources report method and device Download PDFInfo
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- CN110392360A CN110392360A CN201810344490.5A CN201810344490A CN110392360A CN 110392360 A CN110392360 A CN 110392360A CN 201810344490 A CN201810344490 A CN 201810344490A CN 110392360 A CN110392360 A CN 110392360A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
Abstract
The embodiment of the present invention discloses a kind of available resources report method and device.Wherein, which comprises the auxiliary link control message of at least one terminal is received in resource selection window；Reserved resource is obtained according to the auxiliary link control message of at least one terminal；It is obtained according to the auxiliary link control message of at least one terminal and occupies resource；According to the reserved resource, the occupancy resource and shared resource, available resources are obtained；The available resources are reported to base station.Described device is for executing the above method.Available resources report method and device provided in an embodiment of the present invention, improve the accuracy that resource service condition reports in shared resource pond.
Description
Technical field
The present embodiments relate to mobile communication technology fields, and in particular to a kind of available resources report method and device.
Background technique
Vehicle and extraneous information exchange (Vehicle to X, abbreviation V2X) are the key technologies of intelligent transport system,
Main vehicle data transmission scheme of the research based on 3GPP communication protocol.
V2X communication is there are two types of source scheduling mode: scheduling mode and user equipment in base station set (User Equipment,
Abbreviation UE) primary resource selection mode.In base station set under scheduling mode, the resource that UE needs is allocated by base station；In
Under UE primary resource selection mode, selection resource is used in the slave resource pool that UE can be autonomous, does not need to distribute by base station.When
When UE is in connected state or base station range, it can work in base station set under scheduling mode；Using UE primary resource
Selection mode, UE have perceptional function, by perceiving available resource in autonomous selection resource pool, can work in connected state and
Idle state, the UE in base station range and outside coverage area can work under UE primary resource selection mode.It is existing
Have in technology, in order to economize on resources, resource-sharing in the resource pool of above two working method, above-mentioned resource pool becomes altogether
Resource pool is enjoyed, and base station cannot grasp work resource used in the UE under UE primary resource selection mode, and base station is caused to exist
When carrying out scheduling of resource to the UE of work scheduling mode in base station set, the conflict that resource uses is generated, reduces data transmission
Efficiency.
Therefore, how to propose a kind of method, can accurately report the resource service condition in shared resource pond, to improve money
The accuracy that resource service condition reports in the pond of source becomes industry important topic urgently to be resolved.
Summary of the invention
For the defects in the prior art, the embodiment of the present invention provides a kind of available resources report method and device.
On the one hand, the embodiment of the present invention provides a kind of available resources report method, comprising:
The auxiliary link control message of at least one terminal is received in resource selection window；
Reserved resource is obtained according to the auxiliary link control message of at least one terminal；
It is obtained according to the auxiliary link control message of at least one terminal and occupies resource；
According to the reserved resource, the occupancy resource and shared resource, available resources are obtained；
The available resources are reported to base station.
On the other hand, the embodiment of the present invention provides a kind of available resources reporting device, comprising:
Receiving unit, for receiving the auxiliary link control message of at least one terminal in resource selection window；
First obtains unit, for obtaining reserved resource according to the auxiliary link control message of at least one terminal；
Second obtaining unit occupies resource for obtaining according to the auxiliary link control message of at least one terminal；
Third obtaining unit, for according to the reserved resource, the occupancy resource and shared resource, acquisition can to use money
Source；
Reporting unit, for the available resources to be reported to base station.
In another aspect, the embodiment of the present invention provides a kind of electronic equipment, comprising: processor, memory and communication bus,
In:
The processor and the memory complete mutual communication by the communication bus；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to refer to
The available resources report method for being able to carry out and providing such as the various embodiments described above is provided.
Another aspect, the embodiment of the present invention provide a kind of non-transient computer readable storage medium, the non-transient calculating
Machine readable storage medium storing program for executing stores computer instruction, and the computer instruction executes the computer such as the various embodiments described above offer
Available resources report method.
Available resources report method and device provided in an embodiment of the present invention, due to can be received in resource selection window to
The auxiliary link control message of a few terminal, and reserved resource is obtained according to the auxiliary link control message of at least one terminal and is accounted for
Available resources are obtained, available resources are reported to base station then according to reserving resource, occupying resource and shared resource with resource,
Improve the accuracy that resource service condition reports in shared resource pond.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some embodiments of bright embodiment, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram of V2X of embodiment of the present invention communication system；
Fig. 2 is the flow diagram of available resources of embodiment of the present invention report method；
Fig. 3 is the structural schematic diagram of available resources of the embodiment of the present invention；
Fig. 4 is the flow diagram of another embodiment of the present invention available resources report method；
Fig. 5 is the flow diagram of further embodiment of this invention available resources report method；
Fig. 6 is the flow diagram of yet another embodiment of the invention available resources report method；
Fig. 7 is the data format schematic diagram of the control unit of media access control layer of the embodiment of the present invention；
Fig. 8 is the flow diagram of a further embodiment available resources report method of the present invention；
Fig. 9 is the data format schematic diagram of the control unit of another embodiment of the present invention media access control layer
Figure 10 is the structural schematic diagram of available resources of embodiment of the present invention reporting device；
Figure 11 is the entity structure schematic diagram of electronic equipment of the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
Embodiment a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work belongs to the model of protection of the embodiment of the present invention
It encloses.
Fig. 1 is the structural schematic diagram of V2X of embodiment of the present invention communication system, as shown in Figure 1, V2X communication system includes more
A UE and base station, multiple UE can be connect with the guides online respectively, can pass through auxiliary link between each UE
(Sidelink, abbreviation SL) is communicated, and UE needs to utilize the resource in shared resource pond when being communicated by SL.Work
Make the UE in base station set under scheduling mode, when needing to carry out data transmission by SL, needs to issue to the base station and dispatch
Request, the resource (hereinafter referred to as shared resource) for requesting the base station to be distributed in the shared resource pond carry out data transmission.This
The available resources report method UE that inventive embodiments provide obtains the shared money after issuing scheduling request to the base station
Available resources in the pond of source, then can by the available resources and buffer status report (Buffer Status Report,
Abbreviation BSR) it is reported to the base station together, allow the base station to carry out resource allocation to UE according to the available resources,
Conflict to avoid the shared resource from using improves the efficiency of data transmission.Wherein, UE is by base station access network network
The equipment of side, such as can be smart phone, laptop or other equipment that can access network.
Fig. 2 is the flow diagram of available resources of embodiment of the present invention report method, as shown in Fig. 2, the embodiment of the present invention
The available resources report method of offer, comprising:
S201, the auxiliary link control message that at least one terminal is received in resource selection window；
Specifically, when UE needs to carry out data transmission by SL, scheduling request can be sent to the benchmark, described in request
Basis point is with the resource in the shared resource pond, i.e. shared resource.UE is after sending the scheduling request, in resource selection
It can receive the message that at least one terminal is broadcasted by SL in window, above-mentioned message includes auxiliary link control message
(Sidelink Control Information, abbreviation SCI).Wherein, the resource selection window is a period, is UE root
According to what is determined at the time of obtaining and transmit data, the resource selection window is [n+T1,n+T2], n be obtain it is described transmission data when
It carves, 0ms < T1≤ 4ms, is randomly choosed by UE, 20ms < T1≤ 100ms, is randomly choosed by UE, it will be understood that UE is randomly selected
T2Need to meet the delay requirement to current business.Wherein, the terminal is the user equipment near UE, can pass through SL with UE
It is communicated.
S202, reserved resource is obtained according to the auxiliary link control message of at least one terminal；
Specifically, UE can obtain the first biography and retransmission time interval of the terminal after receiving SCI with decoding SCI
With frequency domain resource location information.UE can determine described according to biography and retransmission time interval at the time of receiving SCI and at the beginning of described
At the time of terminal carries out transmission data next time, that is, just passed and retransmission time interval obtains institute at the time of receiving SCI plus described
At the time of stating terminal and carry out transmission data next time.The frequency domain resource location information, which indicates, carries out transmission number the terminal next time
According to when need the subchannel used.Whether UE judges at the time of the terminal next time carries out transmission data in the resource selection window
It is interior, if at the time of carrying out transmission data the terminal next time in the resource selection window, the frequency domain resource position
The corresponding subchannel of information belongs to reserved resource.
S203, occupancy resource is obtained according to the auxiliary link control message of at least one terminal；
Specifically, UE obtains each subchannel that SCI includes, UE can measure each after being correctly decoded SCI
The Reference Signal Received Power (Reference Signal Receiving Power, abbreviation RSRP) of the subchannel, will be every
The RSRP of a subchannel is compared with threshold value respectively, if the RSRP of the subchannel is greater than the threshold value, illustrates institute
It states subchannel and is transmitting data, the subchannel belongs to occupancy resource, cannot be used to transmit data by UE.Wherein, the threshold
Value is configured based on practical experience, and the embodiment of the present invention is without limitation.
S204, according to the reserved resource, the occupancy resource and shared resource, obtain available resources；
Specifically, UE is after obtaining the reserved resource and the occupancy resource, according to the reserved resource, described accounts for
With resource and shared resource, it can be obtained the available resources, what the available resources, that is, UE can be used to carry out data transmission
Resource.Wherein, the shared resource is the resource in the shared pool, and UE can pass through high level, i.e. radio resource control layer
(Radio Resource Control, abbreviation RRC) obtains the shared resource.
For example, UE can remove the reserved resource and the occupancy resource from the shared resource, by remaining money
Source is as the available resources.
S205, the available resources are reported to base station.
Specifically, the available resources can be reported to base station after obtaining the available resources by UE.UE is reported
While the available resources, BSR can be reported to the base station together, the base station receive the available resources and
It after BSR, determines that UE carries out data transmission needing using how many resource according to BSR, is distributed from the available resources corresponding
Resource is to UE.
Fig. 3 is the structural schematic diagram of available resources of the embodiment of the present invention, as shown in figure 3, the available resources include 6 institutes
State subframe: subframe 1, subframe 2, subframe 3, subframe 4, subframe 5 and subframe 6, each subframe include 7 subchannels: son
Channel 1, subchannel 2, subchannel 3, subchannel 4, subchannel 5, subchannel 6 and subchannel 7.The initial time of subframe 1 is 0ms,
The initial time of subframe 2 is 1ms, and the initial time of subframe 3 is 2ms, and the initial time of subframe 4 is 3ms, when the starting of subframe 5
Carving is 4ms, and the initial time of subframe 6 is 5ms, and subframe 1 can be used as first subframe of the available resources.
Available resources report method provided in an embodiment of the present invention, since at least one can be received in resource selection window
The auxiliary link control message of terminal, and obtain reserved resource according to the auxiliary link control message of at least one terminal and occupy and provide
Source obtains available resources, available resources is reported to base station, improve then according to reserving resource, occupying resource and shared resource
The accuracy that resource service condition reports in shared resource pond.
On the basis of the various embodiments described above, further, it is described according to the reserved resource, the occupancy resource and altogether
Resource is enjoyed, obtaining available resources includes:
The reserved resource is removed from the shared resource and the occupancy resource obtains the available resources.
Specifically, UE is after obtaining the reserved resource and the occupancy resource, since the reserved resource is described
Terminal needs resource to be used, and the resource that occupies is the resource that the terminal is transmitting data, and UE cannot use described pre-
Resource and the occupancy resource are stayed, the reserved resource and the occupancy resource are removed from the shared resource, it is described total
Enjoying remaining resource in resource is available resources, and the available resources, which can be used, in UE carries out data transmission.
Fig. 4 is the flow diagram of another embodiment of the present invention available resources report method, as shown in figure 4, above-mentioned each
It is further, described according to the reserved resource, the occupancy resource and shared resource on the basis of embodiment, it can be used
Resource includes:
S2041, according to the use priority of the reserved resource and the priority of local transmission business, obtain the use
Priority is higher than and the reserved resource of the priority equal to the local transmission business；
Specifically, UE obtains the precedence information that can obtain reserved resource by decoding SCI, and the precedence information refers to
Show the use priority of the reserved resource.UE can obtain the corresponding local of transmission data when needing to carry out data transmission
The priority of transmission services compares the priority of the local transmission business and the use priority of the reserved resource
Compared with can obtain the use priority and be higher than and the reserved resource of the priority equal to the local transmission business.
S2042, the use priority is removed from the shared resource be higher than and equal to the local transmission business
The reserved resource of priority and the occupancy resource obtain the available resources.
Specifically, the use priority is higher than and the reserved money of the priority equal to the local transmission business
Source, UE cannot be used；And the reserved resource for the use priority lower than the priority of the local transmission business, UE can
The data transmission is carried out to seize the reserved resource.The resource that occupies is the resource that the terminal is transmitting data, UE
The occupancy resource cannot be used.So UE can remove the use priority from the shared resource and be higher than and be equal to institute
The reserved resource and the occupancy resource for stating the priority of local transmission business, to obtain the available resources.
On the basis of the various embodiments described above, further, the auxiliary link of at least one terminal according to is controlled
Information acquisition occupies resource
If judgement knows that the Reference Signal Received Power of subchannel is greater than threshold value, the subchannel belongs to the occupancy money
Source.
Specifically, UE can measure the RSRP of each subchannel when receiving SCI, by each subchannel
RSRP be compared respectively with threshold value, if the RSRP of the subchannel be greater than the threshold value, illustrating the subchannel
Data are transmitted, the subchannel belongs to occupancy resource, cannot be used to transmit data by UE.Wherein, the threshold value is according to practical warp
It tests and is configured, the embodiment of the present invention is without limitation.
Fig. 5 is the flow diagram of further embodiment of this invention available resources report method, as shown in figure 5, above-mentioned each
It is further, described the available resources are reported to base station to include: on the basis of embodiment
S501, obtain the available resources each subframe initial time and corresponding each sub-channels frequency domain
Resource instruction；Wherein, state of the frequency domain resource instruction for indicating the subchannel is idle state or busy shape
State；
Specifically, the available resources include at least one subframe, and the subframe includes at least one subchannel.UE is being obtained
After obtaining the available resources, the initial time of each of available described available resources subframe, while getting every
The frequency domain resource for each subchannel that a subframe includes indicates.The frequency domain resource instruction is for indicating the sub- letter
The state in road is idle state or busy state, and the subchannel being in idle condition can be used for transmitting data；Place
It cannot be used for carrying out data transmission in the subchannel of busy state.Wherein, if the subchannel belongs to and described can use
Resource, the state of the subchannel are idle states, and if the subchannel is not belonging to the available resources, the subchannel
State be non-idle state.
For example, indicate that the state of the corresponding subchannel is idle state when the frequency domain resource is designated as 1, it is described
When frequency domain resource is designated as 0, indicate that the state of the corresponding subchannel is non-idle state.
S502, according to the initial time of each subframe, obtain described in two adjacent subframes of the initial time
Time migration of the subframe in initial time evening relative to the subframe of the initial time morning；
Specifically, UE, can be according to the starting of each subframe after the initial time for obtaining each subframe
Moment arranges each subframe according to the sequencing of the initial time, then adjacent in the initial time
Subframe in subtracted with the initial time of the subframe in the initial time evening initial time morning subframe initial time, from
And obtain the time migration of the subframe in the initial time evening relative to the subframe of the initial time morning.It described can be used reporting
When resource, the time migration can be reported, to reduce signaling overheads.
For example, UE obtains the initial time of five subframes, the initial time of subframe A is t1, the initial time of subframe B
For t2, the initial time of subframe C is t3, the initial time of subframe C is t4, the initial time of subframe E is t5.If t3Earlier than t2,
t2Earlier than t1, t1Earlier than t4, t4Earlier than t5, then what five subframes were arranged according to the sequencing of the initial time
It as a result is subframe C, subframe B, subframe A, subframe D, subframe E, UE can calculate the time migration for obtaining subframe B relative to subframe C
For t2-t3, subframe A is t relative to the time migration of subframe B1-t2, subframe D is t relative to the time migration of subframe A4-t1, son
Frame E is t relative to the time migration of subframe D5-t4。
S503, by the initial time of first subframe of the available resources and the frequency of corresponding each subchannel
The instruction of domain resource and each time migration and the frequency domain resource instruction of corresponding subchannel are reported to described
Base station.
Specifically, UE, can be by the time migration and the initial time after obtaining each time migration
The subframe in initial time evening described in two adjacent subframes is corresponding, and the subframe in the initial time evening is corresponding each described
The frequency domain resource instruction of subchannel is also just corresponding with the corresponding time migration.UE will be originated described in the available resources
First subframe of the moment earliest subframe as the available resources, can obtain the initial time of first subframe with
And the frequency domain resource instruction of corresponding each subchannel.UE is by the initial time of first subframe and corresponding each
The frequency domain money of the frequency domain resource instruction of a subchannel and each time migration and corresponding subchannel
Source instruction is reported to the base station.
For example, UE can be reported by radio resource control layer (Radio Resource Control, abbreviation RRC) signaling
The instruction of the frequency domain resource of the initial time of first subframe and corresponding each subchannel and each time
The instruction of the frequency domain resource of offset and corresponding subchannel, the frequency domain resource instruction can pass through a bit value
Instruction indicates that the state of the corresponding subchannel is idle state, can be used for data transmission when the bit value is 1,
When the bit value is 0, indicate that the state of the corresponding subchannel is busy state, it is not possible to transmit for data.
Fig. 6 is the flow diagram of yet another embodiment of the invention available resources report method, as shown in fig. 6, above-mentioned each
It is further, described the available resources are reported to base station to include: on the basis of embodiment
S601, obtain the available resources each subframe initial time and corresponding each sub-channels frequency domain
Resource instruction；Wherein, state of the frequency domain resource instruction for indicating the subchannel is idle state or busy shape
State；
Specifically, UE obtains the initial time of each of described available resources subframe and corresponding each described
The detailed process of the frequency domain resource instruction of subchannel is similar with step S501, and details are not described herein again.
S602, according to the initial time of each subframe, obtain described in two adjacent subframes of the initial time
Time migration of the subframe in initial time evening relative to the subframe of the initial time morning；
Specifically, UE obtains the detailed process and step of the time migration according to the initial time of each subframe
S502 is similar, and details are not described herein again.
S603, acquisition be at the time of report the available resources, according to it is described report the available resources at the time of and first
The initial time of a subframe, obtain the initial time of first subframe relative to it is described report the available resources at the time of
Fiducial time offset；
Specifically, UE can be obtained at the time of report the available resources, be subtracted using the initial time of first subframe
It is described at the time of report the available resources, can obtain the initial time of first subframe relative to it is described report it is described
Fiducial time offset at the time of available resources.Wherein, first subframe is initial time described in the available resources
Earliest subframe.
S604, by the fiducial time deviate and the frequency domain resource of corresponding each subchannel instruction and each institute
The frequency domain resource instruction for stating time migration and corresponding each subchannel is reported to the base station.
Specifically, UE, can be by the time after obtaining each time migration and fiducial time offset
Offset is corresponding with the subframe in initial time evening described in two adjacent subframes of the initial time, the initial time evening
The frequency domain resource instruction of the corresponding each subchannel of subframe is also just corresponding with the corresponding time migration.UE will be described
Fiducial time offset is corresponding with first subframe, and the frequency domain of the corresponding each subchannel of first subframe provides
Source instruction is also just corresponding with fiducial time offset.UE deviates the fiducial time and corresponding frequency domain resource indicates
The base station is reported to each time migration and the instruction of corresponding frequency domain resource.
For example, UE can report fiducial time to deviate and corresponding by the control unit of media access control layer
Frequency domain resource instruction and each time migration and corresponding frequency domain resource indicate.Due to existing, there may be multiple
The subchannel indicates the frequency domain resource of the corresponding all subchannels of the subframe to reduce signaling overheads
8 bits are fixed as, and each bit from left to right successively indicates the frequency domain resource instruction of corresponding subchannel.M is indicated
The quantity for the subchannel that one subframe includes, if m < 8, each bit since m bit left side
Indicate the frequency domain resource instruction of the subchannel, remaining 8-m bit zero padding；If m > 8 and m/8 are one whole
Number, then each bit indicates the frequency domain resource instruction of the m/8 subchannels, the i.e. frequency domain of the m/8 subchannels
Resource instruction is indicated with a bit, if the frequency domain resource instruction of the m/8 subchannels is identical, such as is all 1
When, corresponding bit is 1, and corresponding bit is 0 when being all 0, if the frequency domain resource of the m/8 subchannels refers to
Show it is not identical, then corresponding bit be 0；If m > 8, and m/8 is not an integer, then high mod (m, 8) a bit
Position, each bit indicateThe frequency domain resource instruction of a subchannel, a bit of low 8-mod (m, 8), each ratio
Special position indicatesThe frequency domain resource instruction of a subchannel, ifOrA subchannel it is described
Frequency domain resource instruction it is identical, such as all be 1 when, corresponding bit be 1, corresponding bit is 0 when being all 0, if
OrThe frequency domain resource instruction of a subchannel is not identical, then corresponding bit is 0.It can be set and work as
When the bit value is 1, indicates that the state of the corresponding subchannel is idle state, can be used for data transmission, when described
When bit value is 0, indicate that the state of the corresponding subchannel is busy state, it is not possible to transmit for data.
Fig. 7 is the data format schematic diagram of the control unit of media access control layer of the embodiment of the present invention, as shown in fig. 7,
Fiducial time shifted by delta T08 bits are accounted for, the fiducial time deviates the frequency domain resource instruction of corresponding each subchannel altogether
Account for 8 bits, each time migration accounts for 8 bits, the frequency domain money of the corresponding each subchannel of each time migration
Source instruction accounts for 8 bits, Δ T altogetheriIndicate i-th of time migration, i is more than or equal to 1, is less than or equal to n-1, and n is the available resources
In include subframe quantity.
Fig. 8 is the flow diagram of a further embodiment available resources report method of the present invention, as shown in figure 8, described by institute
It states available resources and is reported to base station and include:
S801, obtain the available resources the corresponding each sub-channels of first subframe frequency domain resource instruction, and
The frequency domain resource instruction of the corresponding each subchannel of subframe of continuous preset quantity is obtained after first subframe；Wherein,
State of the frequency domain resource instruction for indicating the subchannel is idle state or busy state；
Specifically, the available resources include at least one subframe, and the subframe includes at least one subchannel.UE is being obtained
After the available resources, using the earliest subframe of initial time described in the available resources as the of the available resources
One subframe, and obtain the frequency domain resource instruction of the corresponding each subchannel of first subframe.UE is in first son
The frequency domain resource instruction of the corresponding each subchannel of subframe of continuous preset quantity is obtained after frame.Wherein, if it is described
Subchannel belongs to the available resources, and the state of the subchannel is idle state, and if the subchannel be not belonging to it is described
Available resources, the state of the subchannel are non-idle states.Wherein, the preset quantity is configured according to actual needs,
The embodiment of the present invention is without limitation.
S802, the time-domain resource instruction for obtaining each subframe in the subframe of the continuous preset quantity, the time domain
Resource instruction is for indicating that the subframe whether there is the subchannel of idle state；
Specifically, UE obtains the time-domain resource instruction of each subframe in the subframe of the continuous preset quantity, if
A subframe in the subframe of the continuous preset quantity include belong to the subchannel of the available resources, then the subframe when
Resource instruction in domain indicates the subframe there are the subchannel of idle state, and the time-domain resource instruction of the subframe can be indicated with 1.
If a subframe in the continuous subframes does not include belonging to the subchannel of the available resources, the time domain of the subframe is provided
Source instruction indicates that the subchannel of idle state is not present in the subframe, and the time-domain resource instruction of the subframe can be indicated with 0.It can
Understand, the subframe and time-domain resource instruction correspond.
At the time of S803, acquisition report the available resources and the initial time of first subframe, on described
At the time of reporting the available resources and the initial time of first subframe, the initial time phase of first subframe is obtained
The fiducial time at the time of available resources is reported to deviate for described；
Specifically, UE can be obtained at the time of reporting the available resources and the initial time of first subframe, benefit
With the initial time of first subframe subtract it is described report the available resources at the time of, first son can be obtained
The initial time of frame reports the fiducial time at the time of available resources to deviate relative to described.
S804, by the fiducial time deviate and the frequency domain resource of corresponding each subchannel instruction, it is described pre-
If quantity, each time-domain resource instruction, indicate that there are the instructions pair of the time-domain resource of the subchannel of idle state
The frequency domain resource instruction for each subchannel answered is reported to the base station.
Specifically, for UE after obtaining the fiducial time offset, UE deviates the fiducial time and described first
Subframe is corresponding, the frequency domain resource instruction of the corresponding each subchannel of first subframe also just with the fiducial time
It deviates corresponding.In order to save signaling overheads, if the time-domain resource of a subframe of the subframe of the continuous preset quantity refers to
It is shown as the subchannel that idle state is not present in the subframe, then the corresponding each sub- letter of the subframe can not be reported
The frequency domain resource in road indicates.For indicating the instruction of time-domain resource described in the subchannel there are idle state, phase can be corresponded to
The frequency domain resource of each subchannel of subframe is answered to indicate.UE can deviate the fiducial time and corresponding each institute
Frequency domain resource instruction, the preset quantity, each time-domain resource instruction for stating subchannel, indicate that there are the institutes of idle state
The time-domain resource for stating subchannel indicates that the frequency domain resource instruction of corresponding each subchannel is reported to the base station.
For example, UE can report fiducial time to deviate and corresponding by the control unit of media access control layer
Frequency domain resource instruction, the preset quantity, each time-domain resource instruction of each subchannel, indicate there is idle shape
The time-domain resource of the subchannel of state indicates the frequency domain resource instruction of corresponding each subchannel.Fig. 9 is this hair
The data format schematic diagram of the control unit of bright another embodiment media access control layer, as shown in figure 9, being opened to reduce signaling
Pin, the fiducial time shifted by delta T0Length be 6 bits, the length of the preset quantity L is 2 bits, can at most be indicated
There are continuous 32 subframes.SFiIndicate i-th of time-domain resource instruction, i is positive integer, and i is less than or equal to L, works as SFiWhen=1, table
Show SFiThe corresponding subframe is needed there are the subchannel of idle state by SFiThe frequency domain of corresponding each subchannel provides
Source instruction is reported, and SF is worked asiWhen=0, SF is indicatediThe corresponding subframe be not present idle state subchannel, do not need by
SFiThe frequency domain resource instruction of corresponding each subchannel is reported.The length of each time-domain resource instruction is 1 ratio
It is special.The frequency domain resource instruction that the fiducial time deviates corresponding each subchannel accounts for 8 bits altogether, indicates there is idle shape
The time-domain resource of the subchannel of state indicates that the frequency domain resource instruction of corresponding each subchannel accounts for 8 bits altogether.
Figure 10 is the structural schematic diagram of available resources of embodiment of the present invention reporting device, and as shown in Figure 10, the present invention is implemented
The available resources reporting device that example provides includes receiving unit 1001, first obtains unit 1002, the second obtaining unit 1003, the
Three obtaining units 1004 and reporting unit 1005, in which:
Receiving unit 1001 is used to receive the auxiliary link control message of at least one terminal in resource selection window；First obtains
Unit 1002 is obtained to be used to reserve resource according to the auxiliary link control message acquisition of at least one terminal；Second obtaining unit
1003 occupy resource for obtaining according to the auxiliary link control message of at least one terminal；Third obtaining unit 1004 is used for
According to the reserved resource, the occupancy resource and shared resource, available resources are obtained；Reporting unit 1005 is used for can by described in
With resource reporting to base station.
Specifically, when UE needs to carry out data transmission by SL, scheduling request can be sent to the benchmark, described in request
Basis point is with the resource in the shared resource pond, i.e. shared resource.After sending the scheduling request, receiving unit 1001
It can receive the message that at least one terminal is broadcasted by SL in resource selection window, above-mentioned message includes auxiliary link control letter
Breath.Wherein, the resource selection window is a period, is that receiving unit 1001 is determined according at the time of obtaining and transmit data
, the resource selection window is [n+T1,n+T2], n is 0ms < T at the time of obtaining the transmission data1≤ 4ms, it is single by receiving
Member 1001 randomly chooses, 20ms < T1≤ 100ms is randomly choosed by receiving unit 1001, it will be understood that receiving unit 1001 with
The T of machine selection2Need to meet the delay requirement to current business.Wherein, the terminal is the user equipment near UE, Ke Yiyu
UE is communicated by SL.
After receiving SCI, when first obtains unit 1002 can obtain the first biography of the terminal and be retransmitted with decoding SCI
Between interval and frequency domain resource location information.First obtains unit 1002 is passed and is retransmitted according at the time of receiving SCI and at the beginning of described
At the time of time interval can determine that the terminal next time carries out transmission data, that is, just passed at the time of receiving SCI plus described
At the time of obtaining the terminal next time with retransmission time interval and carry out transmission data.The frequency domain resource location information indicates institute
State the subchannel for needing to use when terminal carries out transmission data next time.First obtains unit 1002 judges that the terminal next time carries out
At the time of transmitting data whether in the resource selection window, if described at the time of carrying out transmission data the terminal next time
In resource selection window, then the corresponding subchannel of the frequency domain resource location information belongs to reserved resource.
Second obtaining unit 1003 obtains each subchannel that SCI includes, can survey after being correctly decoded SCI
The RSRP of each subchannel is compared with threshold value by the Reference Signal Received Power for measuring each subchannel respectively,
If the RSRP of the subchannel is greater than the threshold value, illustrate that the subchannel is transmitting data, the subchannel, which belongs to, to be accounted for
With resource, cannot be used to transmit data by UE.Wherein, the threshold value is configured based on practical experience, and the embodiment of the present invention is not
It limits.
Third obtaining unit 1004 is after obtaining the reserved resource and the occupancy resource, according to the reserved money
Source, the occupancy resource and shared resource, can be obtained the available resources, and the available resources, that is, UE can be used to be counted
According to the resource of transmission.Wherein, the shared resource is the resource in the shared pool, and third obtaining unit 1004 can pass through
High level, i.e. radio resource control layer (Radio Resource Control, abbreviation RRC) obtain the shared resource.
After obtaining the available resources, the available resources can be reported to base station by reporting unit 1005.It reports
BSR can be reported to the base station while reporting the available resources by unit 1005 together, and the base station is receiving
After the available resources and BSR, determine that UE carries out data transmission needing using how many resource according to BSR, from described with money
Corresponding resource is distributed in source to UE.
Available resources reporting device provided in an embodiment of the present invention, since at least one can be received in resource selection window
The auxiliary link control message of terminal, and obtain reserved resource according to the auxiliary link control message of at least one terminal and occupy and provide
Source obtains available resources, available resources is reported to base station, improve then according to reserving resource, occupying resource and shared resource
The accuracy that resource service condition reports in shared resource pond.
The embodiment of available resources reporting device provided in an embodiment of the present invention specifically can be used for executing above-mentioned each method
The process flow of embodiment, details are not described herein for function, is referred to the detailed description of above method embodiment.
Figure 11 is the entity structure schematic diagram of electronic equipment of the embodiment of the present invention, as shown in figure 11, the electronic equipment packet
Include processor (processor) 1101, memory (memory) 1102 and communication bus 1103；
Wherein, processor 1101, memory 1102 complete mutual communication by communication bus 1103；
Processor 1101 is used to call the program instruction in memory 1102, is provided with executing above-mentioned each method embodiment
Method, for example, the auxiliary link control message of at least one terminal is received in resource selection window；According to described at least one
The auxiliary link control message of a terminal obtains reserved resource；It is accounted for according to the auxiliary link control message of at least one terminal
Use resource；According to the reserved resource, the occupancy resource and shared resource, available resources are obtained；It will be in the available resources
Offer base station.
The present embodiment discloses a kind of computer program product, and the computer program product includes being stored in non-transient calculating
Computer program on machine readable storage medium storing program for executing, the computer program include program instruction, when described program instruction is calculated
When machine executes, computer is able to carry out method provided by above-mentioned each method embodiment, for example, inscribed in resource selection window
Receive the auxiliary link control message of at least one terminal；Reserved money is obtained according to the auxiliary link control message of at least one terminal
Source；It is obtained according to the auxiliary link control message of at least one terminal and occupies resource；According to the reserved resource, the occupancy
Resource and shared resource obtain available resources；The available resources are reported to base station.
The present embodiment provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage medium
Computer instruction is stored, the computer instruction makes the computer execute method provided by above-mentioned each method embodiment, example
It such as include: the auxiliary link control message that at least one terminal is received in resource selection window；According at least one terminal
Auxiliary link control message obtains reserved resource；It is obtained according to the auxiliary link control message of at least one terminal and occupies resource；
According to the reserved resource, the occupancy resource and shared resource, available resources are obtained；The available resources are reported to base
It stands.
In addition, the logical order in above-mentioned memory can be realized and as independence by way of SFU software functional unit
Product when selling or using, can store in a computer readable storage medium.Based on this understanding, of the invention
Substantially the part of the part that contributes to existing technology or the technical solution can be in other words for the technical solution of embodiment
It is expressed in the form of software products, which is stored in a storage medium, including some instructions are used
So that computer equipment (can be personal computer, device or the network equipment an etc.) execution embodiment of the present invention is each
The all or part of the steps of a embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk
Etc. the various media that can store program code.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the embodiment of the present invention, rather than it is limited
System；Although the embodiment of the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced；And these are modified or replaceed, various embodiments of the present invention skill that it does not separate the essence of the corresponding technical solution
The spirit and scope of art scheme.
Claims (10)
1. a kind of available resources report method characterized by comprising
The auxiliary link control message of at least one terminal is received in resource selection window；
Reserved resource is obtained according to the auxiliary link control message of at least one terminal；
It is obtained according to the auxiliary link control message of at least one terminal and occupies resource；
According to the reserved resource, the occupancy resource and shared resource, available resources are obtained；
The available resources are reported to base station.
2. the method according to claim 1, wherein it is described according to the reserved resource, the occupancy resource and
Shared resource, obtaining available resources includes:
The reserved resource is removed from the shared resource and the occupancy resource obtains the available resources.
3. the method according to claim 1, wherein it is described according to the reserved resource, the occupancy resource and
Shared resource, obtaining available resources includes:
According to the priority of the use priority of the reserved resource and local transmission business, obtains the use priority and be higher than
With the reserved resource for the priority for being equal to the local transmission business；
The use priority is removed from the shared resource to be higher than and pre- equal to the priority of the local transmission business
Resource and the occupancy resource is stayed to obtain the available resources.
4. the method according to claim 1, wherein the auxiliary link of at least one terminal according to controls
Information acquisition occupies resource
If judgement knows that the Reference Signal Received Power of subchannel is greater than threshold value, the subchannel belongs to the occupancy resource.
5. method according to any one of claims 1 to 4, which is characterized in that described that the available resources are reported to base
Station includes:
Obtain the frequency domain resource instruction of the initial time and corresponding each sub-channels of each subframe of the available resources；
Wherein, state of the frequency domain resource instruction for indicating the subchannel is idle state or busy state；
According to the initial time of each subframe, the evening of initial time described in two adjacent subframes of the initial time is obtained
Subframe relative to the initial time morning subframe time migration；
The frequency domain resource of the initial time of first subframe of the available resources and corresponding each subchannel is referred to
Show and is reported to the base station with the instruction of the frequency domain resource of each time migration and corresponding subchannel.
6. method according to any one of claims 1 to 4, which is characterized in that described that the available resources are reported to base
Station includes:
Obtain the frequency domain resource instruction of the initial time and corresponding each sub-channels of each subframe of the available resources；
Wherein, state of the frequency domain resource instruction for indicating the subchannel is idle state or busy state；
According to the initial time of each subframe, the evening of initial time described in two adjacent subframes of the initial time is obtained
Subframe relative to the initial time morning subframe time migration；
At the time of acquisition reports the available resources, according to it is described report the available resources at the time of and first subframe rise
Begin the moment, obtain the initial time of first subframe relative to it is described report the available resources at the time of fiducial time
Offset；
The fiducial time is deviated and the frequency domain resource of corresponding each subchannel indicates and each time is inclined
It moves and the instruction of the frequency domain resource of corresponding each subchannel is reported to the base station.
7. method according to any one of claims 1 to 4, which is characterized in that described that the available resources are reported to base
Station includes:
The frequency domain resource instruction of the corresponding each sub-channels of first subframe of the available resources is obtained, and in first subframe
The frequency domain resource instruction of the corresponding each subchannel of subframe of continuous preset quantity is obtained later；Wherein, the frequency domain money
State of the source instruction for indicating the subchannel is idle state or busy state；
The time-domain resource instruction of each subframe in the subframe of the continuous preset quantity is obtained, the time-domain resource instruction is used
It whether there is the subchannel of idle state in the expression subframe；
It obtains at the time of reporting the available resources and the initial time of first subframe, described can be used according to described report
At the time of resource and the initial time of first subframe, the initial time of first subframe is obtained relative on described
Report the fiducial time offset at the time of available resources；
The fiducial time is deviated and the instruction of the frequency domain resource of corresponding each subchannel, the preset quantity, each
A time-domain resource instruction indicates that there are the time-domain resource instruction of each of the subchannel of idle state is corresponding each
The frequency domain resource instruction of a subchannel is reported to the base station.
8. a kind of available resources reporting device characterized by comprising
Receiving unit, for receiving the auxiliary link control message of at least one terminal in resource selection window；
First obtains unit, for obtaining reserved resource according to the auxiliary link control message of at least one terminal；
Second obtaining unit occupies resource for obtaining according to the auxiliary link control message of at least one terminal；
Third obtaining unit, for obtaining available resources according to the reserved resource, the occupancy resource and shared resource；
Reporting unit, for the available resources to be reported to base station.
9. a kind of electronic equipment characterized by comprising processor, memory and communication bus, in which:
The processor and the memory complete mutual communication by the communication bus；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to instruct energy
Enough execute method as described in any one of claim 1 to 7.
10. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes the computer execute method as described in any one of claim 1 to 7.
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| CN201810344490.5A CN110392360A (en) | 2018-04-17 | 2018-04-17 | A kind of available resources report method and device |
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| CN201810344490.5A CN110392360A (en) | 2018-04-17 | 2018-04-17 | A kind of available resources report method and device |
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| WO2021056222A1 (en) * | 2019-09-24 | 2021-04-01 | 华为技术有限公司 | Resource scheduling method and apparatus |
| CN111316690A (en) * | 2019-12-03 | 2020-06-19 | 北京小米移动软件有限公司 | Information processing method, device, base station, user equipment and storage medium |
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| CN113518321B (en) * | 2020-04-09 | 2022-10-25 | 北京紫光展锐通信技术有限公司 | Resource selection method and device for auxiliary link, storage medium and terminal |
| CN115516807A (en) * | 2020-05-15 | 2022-12-23 | 高通股份有限公司 | Relay physical side link control channel resources |
| WO2022011699A1 (en) * | 2020-07-17 | 2022-01-20 | 华为技术有限公司 | Communication method and sidelink device |
| CN114071398A (en) * | 2020-07-31 | 2022-02-18 | 北京紫光展锐通信技术有限公司 | Auxiliary link communication method and communication device |
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