CN105025576B - Resource allocation methods and device in a kind of D2D communication - Google Patents
Resource allocation methods and device in a kind of D2D communication Download PDFInfo
- Publication number
- CN105025576B CN105025576B CN201410159297.6A CN201410159297A CN105025576B CN 105025576 B CN105025576 B CN 105025576B CN 201410159297 A CN201410159297 A CN 201410159297A CN 105025576 B CN105025576 B CN 105025576B
- Authority
- CN
- China
- Prior art keywords
- resource block
- time window
- resource
- option
- tdd frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention proposes the resource allocation methods and device in a kind of D2D communication.Sending the RPT that UE is indicated by SA for D2D in eIMTA scene may be this problem of downlink subframe by dynamic signal deployment, and the invention discloses a solution.D2D sends UE and sends physical layer data on N number of D2D resource block, N number of D2D resource block is the D2D resource block that RPT is configured as sub-frame of uplink in either affiliated subframe of the RPT in all scheduling time windows of the D2D resource block in the first scheduling time window, and the scheduling time window is a tdd frame topology update time window.As one embodiment, D2D sends UE and indicates that the window of the scheduling time window is long by sending SA.UE and D2D is sent the invention avoids D2D and receives UE to the different understanding of the D2D resource block of actual transmissions physical layer data, to enable D2D communication that can execute in eIMTA scene.In addition, the present invention has been compatible with the existing meeting conclusion about D2D communication and eIMTA, has good compatibility.
Description
Technical field
The present invention relates to D2D(Device to Device, and device is to device) scheme dispatched in communication, more particularly to
Based on LTE(Long Term Evolution, long term evolution) resource scheduling scheme of D2D.
Background technique
Traditional 3GPP(3rd Generation Partner Project, third generation cooperative partner program) LTE system
In, data transmission occurs in base station and UE(User Equipment, user equipment) between.In 3GPP R12, D2D communicates quilt
It sets up the project and is discussed, the essential characteristic of D2D is that the data between UE is allowed to transmit.For FDD(Frequency Division
Duplex, frequency division duplex) and TDD(Time Division Duplex, time division duplex) for system, 3GPP is in RAN1(Radio
Access Network Working Group1, the first working group of wireless access network) conclusion reached in #73 meeting is:
UE in D2D system does not allow to receive and dispatch simultaneously.Further, in order to avoid the interference that downlink data communicates D2D, UE, which is occupied, to be passed
Ascending resource, that is, FDD upstream band of system or the sub-frame of uplink of TDD are used for D2D communication, and (TDD downlink subframe needs further
It discusses).In RAN1#76bis meeting, pass through as drawn a conclusion:
For the UE in MPS process, base station utilizes PDCCH(Physical Downlink Control Channel)
Or EPDCCH(Enhanced PDCCH, the PDCCH of enhancing) distribute to D2D transmission UE for sending SA(Scheduling
Assignment, scheduling configuration) and physical layer data resource.
Base station passes through SIB(System Information Block, system information block) it is configured to receive or send
The candidate resource pond of SA.
Base station is explicit or implicitly configures one or more RPT(resource patterns for
Transmission sends resource map), a RPT is mapped to multiple D2D resource blocks for transmitting data in physical layer.RPT by
SA explicit or implicit instruction.
Traditional LTE system configures tdd frame structure using SIB, and the most fast configuration period is 640ms(millisecond,
Millisecond).3GPP R12 also introduces eIMTA(enhanced Interference Management Traffic
Adaptation, the interference management service adaptation of enhancing) technology, i.e., the tdd frame topology update time is configured by dynamic signaling
Tdd frame structure in window, the length of the tdd frame topology update time window are tdd frame structure reconfiguration period, the tdd frame knot
Structure be reconfigured the period be { 10,20,40,80,640 } ms(millisecond, millisecond) in one.
Inventors discovered through research that the D2D in MPS process sends UE and is indicated by SA in eIMTA scene
RPT map its scheduling D2D resource block following problems may be encountered:
- RPT mapping multiple D2D resource blocks in may have the resource block of part by dynamic signal deployment be downlink subframe,
And the D2D transmission UE cannot send data in downlink subframe, i.e., can not dispatch corresponding D2D resource block.
In view of the above-mentioned problems, the invention discloses resource allocation methods and device in a kind of D2D communication.
Summary of the invention
The invention discloses a kind of methods in UE, which comprises the steps of:
The tdd frame structure reconfiguration period of step A. reception downlink signaling acquisition first carrier and the first frame structure, first
Frame structure is tdd frame structure of the first carrier in the first scheduling time window
Step B. sends SA, and the SA is explicit or implicit instruction RPT
Step C. sends physical layer data on N number of D2D resource block of first carrier, and the N is positive integer
Wherein, the tdd frame structure reconfiguration period is T milliseconds, and RPT includes K D2D resource block, and the K is no less than institute
State the positive integer of N, the D2D resource block occupies the resource no more than a subframe in the time domain, the T be 10,20,40,
One of 80,640 }, N number of D2D resource block is following one:
D2D resource block of one .RPT of option in the first scheduling time window
Affiliated subframe of two .RPT of option in all scheduling time windows is configured as the D2D resource block of sub-frame of uplink.
The scheduling time window is a tdd frame topology update time window.
The tdd frame structure reconfiguration period is configured by high-level signaling, and the first frame structure is matched by SIB or dynamic control signaling
It sets.It is described explicitly to refer to include the bit for indicating RPT in the SA.It is described implicitly to refer to RPT as transmitting used in the SA
Position instruction of the running time-frequency resource in candidate running time-frequency resource pond.The candidate running time-frequency resource pond is configured by downlink high-level signaling.Institute
It states N number of affiliated subframe of D2D resource block and is configured as sub-frame of uplink.
The tdd frame topology update time window include radio frames mT/10, mT/10+1 ..., (m+1) T/10-
1 }, wherein m be the tdd frame topology update time window index, m is integer.
As one embodiment, the D2D resource block occupies integer OFDM(Orthogonal Frequency
Division Multiplexing, orthogonal frequency division multiplexing) symbol or SC-FDMA(Single Carrier Frequency
Division Multiple Address, single-carrier frequency division multiple access) symbol.
As one embodiment, the SA includes the MCS of the physical layer data.As another embodiment, the SA
The generation of ID including 8 bits, the ID for the scrambler sequence of the physical layer data.
Specifically, according to an aspect of the present invention, which is characterized in that the SA indicates following one:
T described in option A.
Whether K D2D resource block described in option B. is distributed in a tdd frame topology update time window.
It include the bit for indicating the T in the SA as one embodiment.As one embodiment, wrapped in the SA
Include option B described in a bit indication.As another embodiment, running time-frequency resource used in the SA is transmitted in candidate time-frequency
Position instruction in resource pool indicates the B.
Specifically, according to an aspect of the present invention, which is characterized in that N number of D2D resource block is the option one,
RPT includes and only includes N number of D2D resource block.
The essence of above-mentioned aspect has been RPT implicit instruction, and the period is reconfigured in the tdd frame structure.As one embodiment, base
Station is configured with multiple RPT, and the radio frames number for the D2D resource block distribution that the multiple RPT includes is different.
Specifically, according to an aspect of the present invention, which is characterized in that the starting radio frames of the first scheduling time window be by
The SA implicit instruction.
As one embodiment, the starting radio frames of the first scheduling time window are in the candidate running time-frequency resource pond of the SA
First radio frames after radio frames belonging to the last one subframe.As another embodiment, the first scheduling time window
Starting radio frames be after the SA first nothing belonging to the subframe of D2D transmitting data in physical layer is configured to by downlink signaling
Line frame.
Specifically, according to an aspect of the present invention, which is characterized in that if N number of D2D resource block is the option
Two, further include following steps:
Downlink signal is received in subframe except N number of D2D resource block of the step D. in RPT.
Specifically, according to an aspect of the present invention, which is characterized in that N number of D2D resource block is the option two,
The SA indicates the option B.
Specifically, according to an aspect of the present invention, which is characterized in that the downlink signaling is the serving cell of the UE
It sends.
The invention discloses a kind of methods in UE, which comprises the steps of:
Step A. receives SA, and the SA is explicit or implicit instruction RPT
Step B. receives physical layer data on N number of D2D resource block of first carrier, and the N is positive integer
Wherein, RPT includes K D2D resource block, and the K is no less than the positive integer of the N, the D2D resource block when
The resource for being no more than a subframe is occupied on domain, N number of D2D resource block is following one:
D2D resource block of one .RPT of option in the first scheduling time window
Affiliated subframe of two .RPT of option in all scheduling time windows is the D2D resource block for determining sub-frame of uplink, and
RPT is in the D2D resource block that the affiliated subframe in all scheduling time windows is correct decoding physical layer data in flexible sub-frame of uplink.
It is T milliseconds of tdd frame topology update time window that the scheduling time window, which is a length, the T be 10,20,
One of 40,80,640 }.
As one embodiment, the determining sub-frame of uplink is subframe #2, the flexible sub-frame of uplink be subframe # 3,4,
7,8,9 }.As another embodiment, the sender of the UE and the physical layer data belongs to a serving cell, described true
Determining sub-frame of uplink is all sub-frame of uplink that the serving cell is configured by SIB or DCI, and the flexible sub-frame of uplink is
It is empty.As another embodiment, the UE is notified by its serving cell under the serving cell of the physical layer data sender
Row refers to frame structure with reference to frame structure and uplink, and the determining sub-frame of uplink is uplink in the descending reference frame structure
Frame, the flexible sub-frame of uplink are the sons that the determining sub-frame of uplink is removed in sub-frame of uplink of the uplink with reference to frame structure
Frame.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps before the step A:
Step A0. receives downlink signaling and obtains serving cell belonging to the sender of the physical layer data in first carrier
Tdd frame structure the period is reconfigured, the tdd frame structure reconfiguration period is T milliseconds.
Specifically, according to an aspect of the present invention, which is characterized in that the SA indicates following one:
T described in option A.
Whether K D2D resource block described in option B. is distributed in a tdd frame topology update time window.
Specifically, according to an aspect of the present invention, which is characterized in that N number of D2D resource block is the option one,
RPT includes and only includes N number of D2D resource block.
The essence of above-mentioned aspect has been RPT implicit instruction, and the period is reconfigured in the tdd frame structure.As one embodiment, base
Station is configured with multiple RPT, and the radio frames number of the multiple RPT distribution is different.
Specifically, according to an aspect of the present invention, which is characterized in that the starting radio frames of the first scheduling time window be by
The SA implicit instruction.
As one embodiment, the starting radio frames of the first scheduling time window are in the candidate running time-frequency resource pond of the SA
First radio frames after radio frames belonging to the last one subframe.As another embodiment, the first scheduling time window
Starting radio frames be after the SA first nothing belonging to the subframe of D2D transmitting data in physical layer is configured to by downlink signaling
Line frame.
Specifically, according to an aspect of the present invention, which is characterized in that N number of D2D resource block is the option two,
The SA indicates the option B.
Specifically, according to an aspect of the present invention, which is characterized in that the downlink signaling is the serving cell of the UE
It sends.
The invention discloses a kind of methods in base station, which comprises the steps of:
The feeding back signaling that step A. receives source base station obtains tdd frame structure of the source base station on first carrier and the period is reconfigured
Step B. sends downlink signaling and indicates that the period is reconfigured in the tdd frame structure, and the tdd frame structure reconfiguration period is T
Millisecond, the T is one in { 10,20,40,80,640 }.
As one embodiment, the feeding back signaling is transmitted by X2 interface.
The invention discloses a kind of user equipmenies, which is characterized in that the equipment includes:
First module: tdd frame structure reconfiguration period and the first frame knot of first carrier are obtained for receiving downlink signaling
Structure, the first frame structure are tdd frame structure of the first carrier in the first scheduling time window
Second module: for sending SA, the SA is explicit or implicit instruction RPT
Third module: for sending physical layer data on N number of D2D resource block of first carrier, the N is positive integer
Wherein, the tdd frame structure reconfiguration period is T milliseconds, and RPT includes K D2D resource block, and the K is no less than institute
State the positive integer of N, the D2D resource block occupies the resource no more than a subframe in the time domain, the T be 10,20,40,
One of 80,640 }, N number of D2D resource block is following one:
D2D resource block of one .RPT of option in the first scheduling time window
Affiliated subframe of two .RPT of option in all scheduling time windows is configured as the D2D resource block of sub-frame of uplink.
The scheduling time window is a tdd frame topology update time window.
The invention discloses a kind of user equipmenies, which is characterized in that the equipment includes:
First module: for receiving SA, the SA is explicit or implicit instruction RPT
Second module: for receiving physical layer data on N number of D2D resource block of first carrier, the N is positive integer
Wherein, RPT includes K D2D resource block, and the K is no less than the positive integer of the N, the D2D resource block when
The resource for being no more than a subframe is occupied on domain, N number of D2D resource block is following one:
D2D resource block of one .RPT of option in the first scheduling time window
Affiliated subframe of two .RPT of option in all scheduling time windows is the D2D resource block for determining sub-frame of uplink, and
RPT is in the D2D resource block that the affiliated subframe in all scheduling time windows is correct decoding physical layer data in flexible sub-frame of uplink.
It is T milliseconds of tdd frame topology update time window that the scheduling time window, which is a length, the T be 10,20,
One of 40,80,640 }.
The invention discloses a kind of base station equipments, which is characterized in that the equipment includes:
First module: the feeding back signaling for receiving source base station obtains tdd frame structure weight of the source base station on first carrier
With the period
Second module: the tdd frame structure reconfiguration period, the tdd frame structure reconfiguration are indicated for sending downlink signaling
Period is T milliseconds, and the T is one in { 10,20,40,80,640 }.
For D2D in eIMTA scene send RPT that UE indicate by SA may by dynamic signal deployment for downlink subframe this
One problem, the invention discloses a solution.D2D sends UE and sends physical layer on N number of D2D resource block of first carrier
Data, N number of D2D resource block is following one:
D2D resource block of one .RPT of option in the first scheduling time window
Affiliated subframe of two .RPT of option in all scheduling time windows is configured as the D2D resource block of sub-frame of uplink.
The scheduling time window is a tdd frame topology update time window.As one embodiment, D2D sends UE and passes through
It sends SA and indicates that the window of the scheduling time window is long.UE and D2D, which is sent, the invention avoids D2D receives UE to actual transmissions physics
The different understanding of the D2D resource block of layer data, to enable D2D communication that can execute in eIMTA scene.In addition, the present invention is simultaneous
Hold the existing meeting conclusion about D2D communication and eIMTA, has good compatibility.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent:
Fig. 1 shows the flow chart of D2D communication according to an embodiment of the invention；
UE, which is received, Fig. 2 shows D2D according to an embodiment of the invention obtains the tdd frame that D2D transmission UE is configured
The flow chart in structure reconfiguration period；
Fig. 3 shows the D2D that the selection according to an embodiment of the invention from RPT is sent for physical layer data and provides
The schematic diagram of source block；
Fig. 4 shows the processing unit structural block diagram in the transmission of D2D according to still another embodiment of the invention UE；
Fig. 5 shows the processing unit structural block diagram in D2D reception UE according to an embodiment of the invention；
Fig. 6 shows the processing unit structural block diagram in base station according to an embodiment of the invention；
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with attached drawing, it should be noted that do not rushing
In the case where prominent, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
Embodiment 1
Embodiment 1 illustrates the flow chart of D2D communication, as shown in Fig. 1.In attached drawing 1, base station N1 is the service of UE U2
Base station, UE U2 are that D2D sends UE, and it includes UE U3 that corresponding D2D, which receives UE,.
For UE U2, in the step s 21, receive downlink signaling obtain first carrier tdd frame structure reconfiguration the period and
First frame structure, the first frame structure are tdd frame structure of the first carrier in the first scheduling time window；In step S22, send
SA, the SA be explicit or implicit instruction RPT；In step S23, physical layer is sent on N number of D2D resource block of first carrier
Data, the N are positive integers.N number of D2D resource block is following one:
D2D resource block of one .RPT of option in the first scheduling time window
Affiliated subframe of two .RPT of option in all scheduling time windows is configured as the D2D resource block of sub-frame of uplink.
For UE U3, in step S31, receive SA, the SA is explicit or implicit instruction RPT；In step s 32, exist
Receive physical layer data on N number of D2D resource block of first carrier, the N be N number of D2D resource block described in positive integer be it is following it
One:
D2D resource block of one .RPT of option in the first scheduling time window
Affiliated subframe of two .RPT of option in all scheduling time windows is the D2D resource block for determining sub-frame of uplink, and
RPT is in the D2D resource block that the affiliated subframe in all scheduling time windows is correct decoding physical layer data in flexible sub-frame of uplink.
In embodiment 1, the tdd frame structure reconfiguration period is T milliseconds, and RPT includes K D2D resource block, and the K is not
Less than the positive integer of the N, the D2D resource block occupies the resource no more than a subframe in the time domain, the T be 10,
One of 20,40,80,640 }, the scheduling time window is a tdd frame topology update time window.
As the sub- embodiment 1 of embodiment 1, the SA indicates following one:
T described in option A.
Whether K D2D resource block described in option B. is distributed in a tdd frame topology update time window.
As the sub- embodiment 2 of embodiment 1, N number of D2D resource block is the option two,For UE U2, in step
In S24, downlink signal is received in the subframe except N number of D2D resource block in RPT.
As the sub- embodiment 3 of embodiment 1, N number of D2D resource block is the option two, and the SA indicates the choosing
Item B.
Embodiment 2
Embodiment 2 illustrates D2D and receives the flow chart that UE obtains the tdd frame structure reconfiguration period that D2D transmission UE is configured,
As shown in Fig. 2.In attached drawing 2, base station N6 is the serving BS of UE U5.
For base station N6, the feeding back signaling that base station N4 is received in step S61 obtains TDD of the source base station on first carrier
The period is reconfigured in frame structure；Downlink signaling is sent in step S62 indicates that period, the tdd frame structure is reconfigured in the tdd frame structure
It is T milliseconds that the period, which is reconfigured,.
For UE U5, in step s 51, receives downlink signaling and obtain clothes belonging to the sender of the physical layer data
The period is reconfigured in the tdd frame structure of first carrier in cell of being engaged in, and the tdd frame structure reconfiguration period is T milliseconds.
In embodiment 2, the feeding back signaling is X2 interface signaling, and the T is one in { 10,20,40,80 }.
Embodiment 3
Embodiment 3 illustrates the schematic diagram for the D2D resource block that selection is sent for physical layer data from RPT, such as attached drawing 3
It is shown.In attached drawing 3, the lattice for identifying SA is the resource block for transmitting SA, and the lattice of mark D1~D4 is for sending physics
The D2D resource block of layer data.
UE is sent for D2D, the tdd frame structure reconfiguration period and first that downlink signaling obtains first carrier is received first
Frame structure, the first frame structure are tdd frame structure of the first carrier in the first scheduling time window；Then SA is sent, the SA is aobvious
Formula or implicit instruction RPT；Then physical layer data is sent on N number of D2D resource block of first carrier, the N is positive integer.
N number of D2D resource block is following one:
D2D resource block of one .RPT of option in the first scheduling time window
Affiliated subframe of two .RPT of option in all scheduling time windows is configured as the D2D resource block of sub-frame of uplink.
UE is received for D2D, reception SA, the SA first be explicit or implicit instruction RPT；Then in the N of first carrier
Physical layer data is received on a D2D resource block, the N is positive integer, and N number of D2D resource block is following one:
D2D resource block of one .RPT of option in the first scheduling time window
Affiliated subframe of two .RPT of option in all scheduling time windows is the D2D resource block for determining sub-frame of uplink, and
RPT is in the D2D resource block that the affiliated subframe in all scheduling time windows is correct decoding physical layer data in flexible sub-frame of uplink.
In embodiment 3, the tdd frame structure reconfiguration period is T milliseconds, and RPT includes K D2D resource block, and the K is not
Less than the positive integer of the N, the D2D resource block occupies the resource no more than a subframe in the time domain, the T be 10,
One of 20,40,80,640 }, the scheduling time window is a tdd frame topology update time window.The SA is in fig 2
SA candidate resource pond in resource block on send, the RPT includes some or all of resource block in D1~D4.
As the sub- embodiment 1 of embodiment 3, (D1~D4, the K are 4) to be distributed in the D2D resource block that the RPT includes
On first scheduling time window and the second scheduling time window.If N number of D2D resource block is option one, N number of D2D resource
Block is the lattice that D1 and D2(overstriking collimation mark is known)；If N number of D2D resource block is option two, N number of D2D resource block
It is the lattice of D1 and D3(oblique line mark, D1 and the affiliated subframe of D3 are configured as the sub-frame of uplink that D2D sends UE, D2 and D4 institute
Belong to subframe and be configured as the downlink subframe that D2D sends UE).
As the sub- embodiment 2 of embodiment 3, the D2D resource block that the RPT includes is with the long variation-of scheduling time window
The D2D resource block that the RPT includes is distributed in a scheduling time window.N number of D2D resource block is that the RPT includes
Resource block.Respective figure 2, the D2D resource block that the RPT includes is D1 and D2, or including D3 and D4.
As the sub- embodiment 3 of embodiment 3, the starting radio frames of the first scheduling time window are by the SA implicit instruction
's.First scheduling time window is first (i.e. earliest one) that the D2D resource block that the RPT of the SA instruction includes occupies
Tdd frame topology update time window.
Embodiment 4
Embodiment 4 is the processing unit structural block diagram in D2D transmission UE, as shown in Fig. 4.In attached drawing 4, UE processing unit
200 be by receiving module 201, sending module 202, and sending module 203 and receiving module 204 form, and wherein receiving module 204 is
Optional module.
Receiving module 201 is used to receive tdd frame structure reconfiguration period and the first frame that downlink signaling obtains first carrier
Structure, the first frame structure are tdd frame structure of the first carrier in the first scheduling time window；Sending module 202 is used to send SA,
The SA is explicit or implicit instruction RPT；Sending module 203 is for sending physical layer on N number of D2D resource block of first carrier
Data, the N are positive integers.
In embodiment 4, the tdd frame structure reconfiguration period is T milliseconds, and RPT includes K D2D resource block, and the K is not
Less than the positive integer of the N, the D2D resource block occupies the resource no more than a subframe in the time domain, the T be 10,
One of 20,40,80,640 }, N number of D2D resource block is following one:
D2D resource block of one .RPT of option in the first scheduling time window
Affiliated subframe of two .RPT of option in all scheduling time windows is configured as the D2D resource block of sub-frame of uplink.
The scheduling time window is a tdd frame topology update time window.
As the sub- embodiment 1 of embodiment 4, N number of D2D resource block is the option two, and processing unit 200 further includes
Receiving module 204, receiving module 204 receive downlink signal in the subframe except N number of D2D resource block in RPT.
As the sub- embodiment 2 of embodiment 4, N number of D2D resource block is the option one, and RPT includes and only includes institute
State N number of D2D resource block.
Embodiment 5
Embodiment 5 is the processing unit structural block diagram in D2D reception UE, as shown in Fig. 5.In attached drawing 5, UE processing unit
300 be by receiving module 301, receiving module 302, and receiving module 303 forms, and wherein receiving module 301 is optional module.
Receiving module 302 is for receiving SA, and the SA is explicit or implicit instruction RPT；Receiving module 303 is used for first
Physical layer data is received on N number of D2D resource block of carrier wave, the N is positive integer.
In embodiment 5, RPT includes K D2D resource block, and the K is no less than the positive integer of the N, the D2D resource
Block occupies the resource no more than a subframe in the time domain, and N number of D2D resource block is following one:
D2D resource block of one .RPT of option in the first scheduling time window
Affiliated subframe of two .RPT of option in all scheduling time windows is the D2D resource block for determining sub-frame of uplink, and
RPT is in the D2D resource block that the affiliated subframe in all scheduling time windows is correct decoding physical layer data in flexible sub-frame of uplink.
It is T milliseconds of tdd frame topology update time window that the scheduling time window, which is a length, the T be 10,20,
One of 40,80,640 }.
As the sub- embodiment 1 of embodiment 5, processing unit 300 further includes receiving module 301, and receiving module 301 is for connecing
It receives downlink signaling and obtains serving cell belonging to the sender of the physical layer data in the tdd frame structure reconfiguration week of first carrier
Phase, the tdd frame structure reconfiguration period is T milliseconds.
As the sub- embodiment 2 of embodiment 5, the SA indicates following one:
T described in option A.
Whether K D2D resource block described in option B. is distributed in a tdd frame topology update time window.
Embodiment 6
Embodiment 6 is the processing unit structural block diagram in base station, as shown in Fig. 6.In attached drawing 6, base station processing unit 400
It is by receiving module 401, sending module 402 forms.
The feeding back signaling that receiving module 401 is used to receive source base station obtains tdd frame structure of the source base station on first carrier
The period is reconfigured；Sending module 402 indicates the tdd frame structure reconfiguration period, the tdd frame structure weight for sending downlink signaling
It is T milliseconds with the period, the T is one in { 10,20,40,80,640 }.
In embodiment 6, the downlink signaling is high-level signaling.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be referred to by program
Related hardware is enabled to complete, described program can store in computer readable storage medium, such as read-only memory, hard disk or light
Disk etc..Optionally, one or more integrated circuit can be used also to realize in all or part of the steps of above-described embodiment.Phase
It answers, each modular unit in above-described embodiment, can be realized using example, in hardware, it can also be by the form of software function module
It realizes, the application is not limited to the combination of the software and hardware of any particular form.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification made, equivalent replacement, improve etc., it should be included in protection of the invention
Within the scope of.
Claims (18)
1. a kind of method in UE, which comprises the steps of:
Step A. receives tdd frame structure reconfiguration period and the first frame structure that downlink signaling obtains first carrier, first frame knot
Structure is tdd frame structure of the first carrier in the first scheduling time window；
Step B. sends scheduling configuration, and the scheduling configuration is explicit or implicit instruction sends resource map；
Step C. sends physical layer data on N number of D2D resource block of first carrier, and the N is positive integer；
Wherein, the tdd frame structure reconfiguration period is T milliseconds, and sending resource map includes K D2D resource block, and the K is not small
In the positive integer of the N, the D2D resource block occupies the resource no more than a subframe in the time domain, the T be 10,20,
One of 40,80,640 }, N number of D2D resource block is following one:
One, of option sends D2D resource block of the resource map in the first scheduling time window；
Two, of option sends the D2D resource that affiliated subframe of the resource map in all scheduling time windows is configured as sub-frame of uplink
Block；
The scheduling time window is a tdd frame topology update time window.
2. the method according to claim 1, wherein the scheduling configuration instruction following one:
T described in option A.；
Whether K D2D resource block described in option B. is distributed in a tdd frame topology update time window.
3. sending money the method according to claim 1, wherein N number of D2D resource block is the option one
Source figure includes and only includes N number of D2D resource block.
4. the method according to claim 1, wherein the starting radio frames of the first scheduling time window are by the tune
Degree configuration implicit instruction.
5. the method according to claim 1, wherein if N number of D2D resource block is the option two, also
Include the following steps:
Step D. receives downlink signal on sending the subframe except N number of D2D resource block in resource map.
6. according to the method described in claim 2, it is characterized in that, N number of D2D resource block is the option two, the tune
Spend option B described in configuration instruction.
7. method according to claim 1 to 6, which is characterized in that the downlink signaling is the service of the UE
What cell was sent.
8. a kind of method in UE, which comprises the steps of:
Step A. receives scheduling configuration, and the scheduling configuration is explicit or implicit instruction sends resource map；
Step B. receives physical layer data on N number of D2D resource block of first carrier, and the N is positive integer；
Wherein, sending resource map includes K D2D resource block, and the K is no less than the positive integer of the N, the D2D resource block
The resource for being no more than a subframe is occupied in the time domain, and N number of D2D resource block is:
It is the D2D resource block for determining sub-frame of uplink that two, of option, which sends affiliated subframe of the resource map in all scheduling time windows,
And sending resource map in the affiliated subframe in all scheduling time windows is correct decoding physical layer data in flexible sub-frame of uplink
D2D resource block；
It is T milliseconds of tdd frame topology update time window that the scheduling time window, which is a length, the T be 10,20,40,80,
One of 640 }.
9. according to the method described in claim 8, it is characterized in that, further including following steps before the step A:
Step A0. receives downlink signaling and obtains serving cell belonging to the sender of the physical layer data in first carrier
The period is reconfigured in tdd frame structure, and the tdd frame structure reconfiguration period is T milliseconds.
10. according to the method described in claim 8, it is characterized in that, the scheduling configuration instruction following one:
T described in option A.；
Whether K D2D resource block described in option B. is distributed in a tdd frame topology update time window.
11. according to the method described in claim 8, transmission provides it is characterized in that, N number of D2D resource block is the option one
Source figure includes and only includes N number of D2D resource block.
12. according to the method described in claim 8, it is characterized in that, the starting radio frames of the first scheduling time window are by described
Scheduling configuration implicit instruction.
13. according to the method described in claim 9, it is characterized in that, the serving cell that the downlink signaling is the UE is sent
's.
14. described according to the method described in claim 10, it is characterized in that, N number of D2D resource block is the option two
Dispatch option B described in configuration instruction.
15. a kind of method in base station, which comprises the steps of:
The feeding back signaling that step A. receives source base station obtains tdd frame structure of the source base station on first carrier and the period is reconfigured；
Step B. sends downlink signaling and indicates that the period is reconfigured in the tdd frame structure, and the tdd frame structure reconfiguration period is T milliseconds,
The T is one in { 10,20,40,80,640 }.
16. a kind of user equipment, which is characterized in that the equipment includes:
First module: obtaining tdd frame structure reconfiguration period and the first frame structure of first carrier for receiving downlink signaling, the
One frame structure is tdd frame structure of the first carrier in the first scheduling time window；
Second module: for sending scheduling configuration, the scheduling configuration is explicit or implicit instruction sends resource map；
Third module: for sending physical layer data on N number of D2D resource block of first carrier, the N is positive integer；
Wherein, the tdd frame structure reconfiguration period is T milliseconds, and RPT includes K D2D resource block, and the K is no less than the N
Positive integer, the D2D resource block occupies the resource no more than a subframe in the time domain, the T be 10,20,40,80,
One of 640 }, N number of D2D resource block is following one:
D2D resource block of one .RPT of option in the first scheduling time window；
The subframe of two .RPT of option in the scheduling time window is configured as the D2D resource block of sub-frame of uplink；
The scheduling time window is a tdd frame topology update time window.
17. a kind of user equipment, which is characterized in that the equipment includes:
First module: for receiving scheduling configuration, the scheduling configuration is explicit or implicit instruction sends resource map；
Second module: for receiving physical layer data on N number of D2D resource block of first carrier, the N is positive integer；Wherein,
RPT includes K D2D resource block, and the K is no less than the positive integer of the N, and the D2D resource block occupies in the time domain not to be surpassed
The resource of a subframe is crossed, N number of D2D resource block is following one:
D2D resource block of one .RPT of option in the first scheduling time window；
Affiliated subframe of two .RPT of option in all scheduling time windows is the D2D resource block and RPT for determining sub-frame of uplink
In the D2D resource block that the affiliated subframe in all scheduling time windows is correct decoding physical layer data in flexible sub-frame of uplink；
It is T milliseconds of tdd frame topology update time window that the scheduling time window, which is a length, the T be 10,20,40,80,
One of 640 }.
18. a kind of base station equipment, which is characterized in that the equipment includes:
First module: the feeding back signaling for receiving source base station obtains tdd frame structure reconfiguration week of the source base station on first carrier
Phase；
Second module: the tdd frame structure reconfiguration period is indicated for sending downlink signaling, the period is reconfigured in the tdd frame structure
It is T milliseconds, the T is one in { 10,20,40,80,640 }.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159297.6A CN105025576B (en) | 2014-04-19 | 2014-04-19 | Resource allocation methods and device in a kind of D2D communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159297.6A CN105025576B (en) | 2014-04-19 | 2014-04-19 | Resource allocation methods and device in a kind of D2D communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105025576A CN105025576A (en) | 2015-11-04 |
| CN105025576B true CN105025576B (en) | 2019-07-12 |
Family
ID=54415174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410159297.6A Active CN105025576B (en) | 2014-04-19 | 2014-04-19 | Resource allocation methods and device in a kind of D2D communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105025576B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921468B (en) * | 2015-12-28 | 2020-05-22 | 中兴通讯股份有限公司 | Information transmission method and device |
| CN107027189B (en) * | 2016-01-30 | 2019-12-24 | 上海朗帛通信技术有限公司 | Scheduling method and device |
| CN107041001B (en) * | 2016-02-04 | 2023-07-14 | 中兴通讯股份有限公司 | Communication resource determining method and device |
| CN110072217B (en) * | 2016-03-24 | 2021-10-29 | 上海朗帛通信技术有限公司 | Method and apparatus for narrowband communication of cellular network |
| MX2019000787A (en) * | 2016-07-21 | 2019-06-03 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Method for signal transmission, terminal device and network device. |
| CN108024273B (en) * | 2016-11-02 | 2022-11-18 | 北京三星通信技术研究有限公司 | Resource selection method and corresponding equipment |
| RU2748224C1 (en) * | 2017-08-04 | 2021-05-21 | Гуандун Оппо Мобайл Телекоммьюникейшнс Корп., Лтд. | Method for implementation of direct communication between devices, terminal apparatus and network apparatus |
| CN112205052A (en) * | 2019-10-15 | 2021-01-08 | 深圳市大疆创新科技有限公司 | Communication method, communication equipment and mobile terminal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103037524A (en) * | 2013-01-18 | 2013-04-10 | 东莞宇龙通信科技有限公司 | Double-period dynamic configuration method for ratio between TDD (Time Division Duplex) uplink subframes and TDD downlink subframes, base station, system and communication equipment |
| WO2014007595A1 (en) * | 2012-07-06 | 2014-01-09 | Samsung Electronics Co., Ltd. | Method and apparatus for determining tdd ul-dl configuration applicable for radio frames |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI631871B (en) * | 2012-04-27 | 2018-08-01 | 內數位專利控股公司 | Method and apparatus for supporting proximity discovery procedures |
| CN103001752B (en) * | 2012-12-24 | 2015-06-03 | 新邮通信设备有限公司 | Transition wireless frame based dynamic time division duplexing (TDD) hybrid retransmission scheme |
-
2014
- 2014-04-19 CN CN201410159297.6A patent/CN105025576B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014007595A1 (en) * | 2012-07-06 | 2014-01-09 | Samsung Electronics Co., Ltd. | Method and apparatus for determining tdd ul-dl configuration applicable for radio frames |
| CN103037524A (en) * | 2013-01-18 | 2013-04-10 | 东莞宇龙通信科技有限公司 | Double-period dynamic configuration method for ratio between TDD (Time Division Duplex) uplink subframes and TDD downlink subframes, base station, system and communication equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105025576A (en) | 2015-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105025576B (en) | Resource allocation methods and device in a kind of D2D communication | |
| US9839026B2 (en) | Method for transmitting and receiving control information of a mobile communication system | |
| CN104604314B (en) | The system and method for semi-continuous scheduling for wireless communication | |
| CN104205682B (en) | In enhancing physical downlink control channel（ePDCCH）In improved method and device | |
| CN110740519B (en) | Method and device in wireless transmission | |
| CN104955158B (en) | A kind of method and apparatus of aperiodic SRS | |
| CN104144502B (en) | Physical down control information acquisition methods, device, terminal and system | |
| CN105634666B (en) | A kind of data transmission method and device in unauthorized frequency range | |
| CN110178323A (en) | Method and apparatus for reporting semipermanent channel status in mobile communication system | |
| CN103220102B (en) | Control transmission method and the equipment of signaling | |
| CN107040490A (en) | Demodulated pilot signal processing method, base station and user equipment | |
| CN109348526A (en) | It sends uplink information, send and receive downlink information, system scheduling method and device | |
| CN104012016A (en) | Method and apparatus transmitting and receiving control information in wireless communication system | |
| CN110213824A (en) | System and method for the transmission of small business | |
| CN110249572A (en) | Method and apparatus for short PDCCH operation | |
| CN106027220A (en) | Method and apparatus for sending control information in wireless communication system | |
| US10763985B2 (en) | Control channel design and use for narrow band communication | |
| RU2588600C1 (en) | Method of transmitting downlink control information, device based on network and user equipment | |
| CN107211324A (en) | The system and method for accommodating special user equipment | |
| CN102244563B (en) | Method, device and system for transmitting and receiving data | |
| US20220069956A1 (en) | Indicating Contiguous Resource Allocation | |
| WO2019095324A1 (en) | Resource allocation method for sub-prb uplink transmission | |
| WO2017024561A1 (en) | Pucch region determination and usage for mtc | |
| US9496933B2 (en) | Base station simultaneously servicing legacy cellular and massive multiple-input, multiple-output | |
| CN104247544B (en) | Sending method, method of reseptance and the user equipment of control channel and base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |