CN105992348A - Device-to-device (D2D) communication-based resource distribution method and user equipment - Google Patents
Device-to-device (D2D) communication-based resource distribution method and user equipment Download PDFInfo
- Publication number
- CN105992348A CN105992348A CN201510047609.9A CN201510047609A CN105992348A CN 105992348 A CN105992348 A CN 105992348A CN 201510047609 A CN201510047609 A CN 201510047609A CN 105992348 A CN105992348 A CN 105992348A
- Authority
- CN
- China
- Prior art keywords
- resource
- distribution
- slss
- rsrp
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The present invention provides a D2D communication-based resource distribution method and a user equipment, wherein the method comprises the steps of using a first user equipment (UE) to receive a signal of a side link synchronous sequence (SLSS) sent by a second UE; using the first UE to determine the reference signal received power (RSRP) of the received SLSS of the second UE according to the signal of the SLSS sent by the second UE; using the first UE to compare the RSRP with an own pre-configured parameter value; if the RSRP is higher than the own pre-configured parameter value, taking the second UE as a first-level center synchronous source; using the first UE to receive the first resource distributed by the second UE to the first UE, and sending the resource pool distribution response to the second UE; using the first UE to carry out the D2D communication with the second UE according to the first resource. According to the D2D communication-based resource distribution method and the user equipment provided by the present invention, the transmission efficiency can be improved, the accurate and safe data transmission is guaranteed effectively, and the D2D communication demand is satisfied.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of resource based on D2D communication and divide
Method of completing the square, subscriber equipment.
Background technology
Device-to-device (Device-to-Device is called for short D2D) communication refers to utilize neighbouring joint
Direct-connected traffic channel between point unloads the flow of base station, and it is typically as cellular network communication
Supplement, by the controlling of wireless network of honeycomb.At existing Long Term Evolution (Long Term
Evolution, is called for short LTE) in system, (User Equipment is called for short two subscriber equipmenies
UE) the data transmission between UE is all that the relaying by network side realizes.Transmitting terminal UE
First having to communication data is sent to network side, this communication data is turned by network side relaying more afterwards
Issue the UE of receiving terminal.Even if two are wanted to communicate apart from close UE, these communications
Data also just can be sent to the other side through the transmission of network side.D2D technology is primarily directed to send out
Sending end UE and receiving terminal UE occasion close together, now can directly pass between two UE
Pass communication data, and the relaying being no longer necessary to network side carries out forwarding data.D2D technology is permissible
Reduce the load of network side, because two UE are close together, can effectively reduce the transmitting of UE
Power thus realize energy-conservation purpose.
In prior art, D2D communication resource distribution mode is mainly by two kinds: first kind of way is
The resource that D2D finds is to be assigned exclusively to UE by proprietary signaling；The second way is network side
It is relayed to the resource pool that all of UE distribution is total, autonomous the choosing from total resource pool of UE
Select resource, thus carry out the transmission of data.Outside UE equipment is positioned at the relaying covering of network side
Time, can only select the second way, UE uses pre-configured resource, autonomous from pre-configured
Common pool is selected resource, thus carries out the transmission of data.
When UE only one of which radio frequency link, if certain UE transmits communication data, then
This UE can not receive these data, is therefore transmitted number to this UE when another one UE
According to time, the loss of data can be caused, thus cause the user discover that the conflict that resource uses, it is impossible to
Meet the demand of transmission.
Summary of the invention
For defect of the prior art, the present invention provides a kind of resource based on D2D communication to divide
Method of completing the square, subscriber equipment, it is possible to increase the efficiency of transmission, be effectively ensured the accurate safety of data
Transmission, meet D2D communication demand.
First aspect, the invention provides a kind of resource allocation methods based on D2D communication, bag
Include:
First user equipment UE receives side link synchronization sequence SLSS of the 2nd UE transmission
Signal；
A described UE determines according to the signal of SLSS that described 2nd UE sends and to receive
The signal of the SLSS of described 2nd UE receives power RSRP；
Described RSRP is compared by a described UE with self pre-configured parameter value；
If described RSRP is higher than self pre-configured parameter value described, then described 2nd UE is made
For first order central synchronous source；
A described UE receives described 2nd UE and distributes to the first resource of a described UE,
And send resource pool assignment response to described 2nd UE；
A described UE carries out device-to-device according to described first resource with described 2nd UE
D2D communicates.
Further, described RSRP is compared by a described UE with self pre-configured parameter value,
Also include:
If the pre-configured parameter value that described RSRP is less than a described UE, then by described first
UE is as first order central synchronous source；
A described UE distributes Secondary resource to described 2nd UE, and by described the second of distribution
Resource sends described 2nd UE, and receives described 2nd UE and send according to described Secondary resource
Another resource pool assignment response, carry out D2D according to described Secondary resource and described 2nd UE
Communication.
Further, a described UE sets with described 2nd UE according to described first resource
Standby before equipment D2D communication, described method also includes:
A described UE judges whether the described first resource received is more than the resource of demand, if institute
Stating the first resource resource more than described demand, the most described UE sends to described 2nd UE
Carry the resource pool distribution for reducing described first resource and reduce the resource pool distribution sound of request
Should, again divide to a UE so that described 2nd UE reduces request according to the distribution of described resource pool
Join resource；
If described first resource is less than the resource of described demand, the most described UE is to the 2nd UE
The resource pool distribution sending the resource pool distribution increase request carried for increasing first resource rings
Should, so that described 2nd UE increases request again to described first according to the distribution of described resource pool
UE Resources allocation.
Further, described method also includes:
A described UE receives the signal of the SLSS of described 2nd UE and forwards described second
The signal of the SLSS of UE, so that the 3rd UE receives the signal of the SLSS of described 2nd UE also
Determine another RSRP of the signal of described SLSS so that described 3rd UE by described another
RSRP compares with described 3rd parameter value pre-configured for UE self, if another RSRP described is big
In described 3rd parameter value pre-configured for UE self then using a described UE as center, the second level
Synchronisation source；
A described UE obtains information resources from first resource, and is sent by described information resources
Described 3rd UE, and receive the resource pool distribution that described 3rd UE sends to a described UE
Response；
A described UE carries out D2D communication according to described information resources with described 3rd UE.
Further, carry out with described 3rd UE according to described information resources at a described UE
Before D2D communication steps, also include:
What described described 3rd UE of UE reception sent carries for reducing described information resources
The resource pool assignment response of another resource allocation request, please according to another resource pool described distribution
Ask and readjust described information resources to be allocated, after described 3rd UE resends adjustment
Information resources；
What described described 3rd UE of UE reception sent carries for increasing described information resources
The resource pool assignment response of another resource allocation request, a described UE is to described 2nd UE
Feed back the information that the resource of a described UE is few, so that the resource of described 2nd UE distribution can
Meet a described UE to described 3rd UE distribution.
Second aspect, the invention provides a kind of subscriber equipment, including:
Receive unit, for receiving the letter of side link synchronization sequence SLSS that the 2nd UE sends
Number；
Determining unit, the signal of SLSS for sending according to described 2nd UE determines and receives
Described 2nd UE SLSS signal receive power RSRP；
Comparing unit, for comparing described RSRP with self pre-configured parameter value；
Dispensing unit, if for described RSRP is higher than self pre-configured parameter value described,
Then using described 2nd UE as first order central synchronous source；
Allocation unit, receives described 2nd UE and distributes to the first resource of subscriber equipment, and to institute
State the 2nd UE and send resource pool assignment response；
Communication unit, for carrying out D2D communication according to described first resource with described 2nd UE.
Further, described dispensing unit, if being additionally operable to described RSRP less than subscriber equipment
Pre-configured parameter value, then using subscriber equipment as first order central synchronous source；
Described allocation unit, is additionally operable to distribute Secondary resource to described 2nd UE, and by distribution
Described Secondary resource sends described 2nd UE, and receives described 2nd UE according to described second
Another resource pool assignment response that resource sends, according to described Secondary resource and described 2nd UE
Carry out D2D communication.
Further, described allocation unit, it is additionally operable to judge the described first resource that receives is whether
More than the resource of demand, if described first resource is more than the resource of described demand, then subscriber equipment
Sending the resource pool distribution minimizing carried for reducing described first resource to described 2nd UE please
The resource pool assignment response asked, so that described 2nd UE reduces request according to the distribution of described resource pool
Again to user equipment allocation resource；
If described first resource is less than the resource of described demand, then subscriber equipment sends to the 2nd UE
Carry the resource pool distribution for increasing first resource and increase the resource pool assignment response of request, with
Make described 2nd UE increase request according to the distribution of described resource pool again to provide to user equipment allocation
Source.
Further, described reception unit, it is additionally operable to receive the letter of the SLSS of described 2nd UE
Number and forward the signal of SLSS of described 2nd UE, so that the 3rd UE receives described second
The signal of the SLSS of UE also determines another RSRP of signal of described SLSS, so that described
Another RSRP described is compared by three UE with described 3rd parameter value pre-configured for UE self, if
Described user is then set by another RSRP described more than described 3rd parameter value pre-configured for UE self
Standby as central synchronous source, the second level；
Described allocation unit, is additionally operable to described subscriber equipment and obtains information resources from first resource,
And described information resources are sent described 3rd UE, and receive described 3rd UE to described user
The resource pool assignment response that equipment sends；
Described communication unit, is additionally operable to carry out D2D according to described information resources with described 3rd UE
Communication.
Further, described reception unit, it is additionally operable to receive that described 3rd UE sends carries use
Resource pool assignment response in another resource allocation request reducing described information resources；
Described allocation unit, is additionally operable to readjust according to another resource pool described distribution request treat
The described information resources of distribution, the information resources after described 3rd UE resends adjustment；
Described reception unit, is additionally operable to receive carrying for increasing of described 3rd UE transmission described
The resource pool assignment response of another resource allocation request of information resources, described subscriber equipment is to institute
State the information that the resource of the 2nd UE described subscriber equipment of feedback is few, so that described 2nd UE distribution
Resource disclosure satisfy that described subscriber equipment to described 3rd UE distribution.
As shown from the above technical solution, the resource based on D2D communication provided by the present invention is divided
Method of completing the square, subscriber equipment, wherein method includes: first user equipment UE receives the 2nd UE and sends out
The signal of side link synchronization sequence SLSS sent；A described UE is according to described 2nd UE
The signal of the SLSS sent determines that the signal of the SLSS of described 2nd UE received receives merit
Rate RSRP；Described RSRP is compared by a described UE with self pre-configured parameter value；If
Described RSRP is higher than self pre-configured parameter value described, then using described 2nd UE as first
Level central synchronous source；A described UE receives described 2nd UE and distributes to a described UE's
First resource, and send resource pool assignment response to described 2nd UE；A described UE according to
Described first resource and described 2nd UE carry out device-to-device D2D communication.Pass through the present invention
The resource allocation methods based on D2D communication of offer, subscriber equipment, it is possible to increase the effect of transmission
Rate, is effectively ensured the transmission of the accurately safety of data, meets the demand of D2D communication.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below
The accompanying drawing used required in embodiment or description of the prior art is briefly described, aobvious and easy
Insight, the accompanying drawing in describing below is only some embodiments of the present invention, general for this area
From the point of view of logical technical staff, on the premise of not paying creative work, it is also possible to attached according to these
Figure obtains other accompanying drawing.
A kind of based on D2D communication the resource allocation methods that Fig. 1 provides for the embodiment of the present invention
Schematic flow sheet；
The resource allocation methods that the another kind that Fig. 2 provides for the embodiment of the present invention communicates based on D2D
Schematic flow sheet；
A kind of based on D2D communication the resource allocation methods that Fig. 3 provides for the embodiment of the present invention
Information flow chart；
The resource allocation methods that the another kind that Fig. 4 provides for the embodiment of the present invention communicates based on D2D
Information flow chart；
The structural representation of a kind of subscriber equipment that Fig. 5 provides for the embodiment of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot
Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear,
Complete description, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on embodiments of the invention, those of ordinary skill in the art are not having
Have and make the every other embodiment obtained under creative work premise, broadly fall into the present invention
The scope of protection.
" first ", " second " in an embodiment, " the 3rd " are not to concrete UE, resource
Restriction, merely just represent difference, do not limit order successively.
A kind of based on D2D communication the resource allocation methods that Fig. 1 provides for the embodiment of the present invention
Schematic flow sheet, as it is shown in figure 1, the resource allocation methods based on D2D communication of the present embodiment
As described below.
101, first user equipment UE receives the side link synchronization sequence that the 2nd UE sends
The signal of SLSS.
It should be understood that the 2nd side chain road, UE sending side synchronizing sequence (Side Link
Synchronous Sequence, be called for short SLSS) signal, a UE searches for and finds second
The synchronisation source signal of UE broadcast, then a UE receives the signal of the SLSS that the 2nd UE sends.
Will also be appreciated that each subscriber equipment can broadcast a SLSS signal, other are used
Family equipment can receive and detect this SLSS.
102, a described UE determines according to the signal of SLSS that described 2nd UE sends and connects
The signal of the SLSS of described 2nd UE received receives power RSRP.
It should be understood that a UE detects the SLSS of the 2nd UE broadcast transmission, simultaneously root
Determine that according to the signal of the SLSS received the signal of the SLSS of described 2nd UE received connects
Receive power (Reference Signal Receiving Power is called for short RSRP).
103, described RSRP is compared by a described UE with self pre-configured parameter value.
It should be understood that each UE preconfiguration parameters value parameter syncTxThreshOoC is joined
Number is indicated.
Oneth UE compares according to the RSRP determined and a parameter value pre-configured for UE self
Relatively.
If 104 described RSRP are higher than self pre-configured parameter value described, then by described second
UE is as first order central synchronous source.
It should be understood that after a UE compares, if RSRP is prewired higher than a UE
The parameter value put, then using the 2nd UE as first order central synchronous source.
If will also be appreciated that the RSRP pre-configured parameter value less than a UE, then will
Oneth UE is as first order central synchronous source.
105, a described UE receives described 2nd UE and distributes to the first of a described UE
Resource, and send resource pool assignment response to described 2nd UE.
It should be understood that a UE receives the 2nd UE and distributes to the first resource of a UE,
And send resource pool assignment response to the 2nd UE.
Will also be appreciated that a UE distributes Secondary resource to the 2nd UE, and by distribution
Secondary resource sends the 2nd UE, and receives another money that the 2nd UE sends according to Secondary resource
Pond, source assignment response, carries out D2D communication according to Secondary resource and the 2nd UE.
106, a described UE carries out equipment according to described first resource with described 2nd UE and arrives
Equipment D2D communicates.
It should be understood that a UE receives the 2nd UE and distributes to the first resource of a UE,
And send resource assignment response, a UE and the according to the first resource received to the 2nd UE
Two UE carry out D2D communication.
Will also be appreciated that a UE distributes Secondary resource to the 2nd UE, and by distribution
Secondary resource is sent to the 2nd UE, receives the resource pool assignment response that the 2nd UE sends, with the
Two UE carry out D2D communication.
First resource and Secondary resource simply make a distinction, and do not limit order successively, can
So that a UE can ensure that data can be received by the 2nd UE when of sending message, with
Time ensure data will not lose.
Oneth UE and the 2nd UE can directly communicate, and carries out forwarding and the transmission of data,
The forwarding of data is carried out without the relaying through network side.
The resource allocation methods based on D2D communication provided by the present embodiment, it is possible to increase pass
Defeated efficiency, is effectively ensured the transmission of the accurately safety of data, meets the demand of D2D communication.
The resource allocation methods that the another kind that Fig. 2 provides for the embodiment of the present invention communicates based on D2D
Schematic flow sheet, as in figure 2 it is shown, the present embodiment based on D2D communication resource distribution side
Method is as described below.
201, first user equipment UE receives the side link synchronization sequence that the 2nd UE sends
The signal of SLSS.
It should be understood that the 2nd UE sends the signal of SLSS, a UE searches for and finds second
The synchronisation source signal of UE broadcast, then a UE receives the signal of the SLSS that the 2nd UE sends.
Each subscriber equipment can broadcast a SLSS signal, and other subscriber equipmenies can receive also
Detect this SLSS.
202, a described UE determines according to the signal of SLSS that described 2nd UE sends and connects
The signal of the SLSS of described 2nd UE received receives power RSRP.
It should be understood that a UE detects the SLSS of the 2nd UE broadcast transmission, simultaneously root
The RSRP of the SLSS of described 2nd UE received is determined according to the signal of the SLSS received.
203, described RSRP is compared by a described UE with self pre-configured parameter value.
It should be understood that each UE preconfiguration parameters value parameter syncTxThreshOoC is joined
Number is indicated.
Oneth UE compares according to the RSRP determined and a parameter value pre-configured for UE self
Relatively.
If 204 described RSRP are higher than self pre-configured parameter value described, then by described second
UE is as first order central synchronous source.
It should be understood that after a UE compares, if RSRP is prewired higher than a UE
The parameter value put, then using the 2nd UE as first order central synchronous source.
If will also be appreciated that the RSRP pre-configured parameter value less than a UE, then will
Oneth UE is as first order central synchronous source.
205, a described UE receives described 2nd UE and distributes to the first of a described UE
Resource, and send resource pool assignment response to described 2nd UE.
It should be understood that a UE receives the 2nd UE and distributes to the first resource of a UE,
And send resource pool assignment response to the 2nd UE.
Will also be appreciated that a UE distributes Secondary resource to the 2nd UE, and by distribution
Secondary resource sends the 2nd UE, and receives another money that the 2nd UE sends according to Secondary resource
Pond, source assignment response, carries out D2D communication according to Secondary resource and the 2nd UE.
206, a described UE judges whether the described first resource received is more than the resource of demand,
If described first resource is more than the resource of described demand, the most described UE is to described 2nd UE
Send the resource pool distribution carried for reducing described first resource and reduce the resource pool distribution of request
Response, so that described 2nd UE reduces request again to a UE according to the distribution of described resource pool
Resources allocation.
It should be understood that whether the first resource that a UE judges to receive is more than preset need
Resource, if the first resource received is more than the resource of preset need, then a UE is to second
UE sends the resource pool distribution carried for reducing described first resource and reduces the resource pool of request
Assignment response, so that the 2nd UE reduces request again to a UE distribution according to resource pool distribution
Resource.
The resource of demand refers to meet the resource of communication requirement, it is possible to make data in transmission
During, data will not be lost.
If 207 described first resources are less than the resource of described demand, the most described UE is to the
Two UE send the resource pool of the resource pool distribution increase request carried for increasing first resource and divide
Join response, so that described 2nd UE increases request again to described the according to the distribution of described resource pool
One UE Resources allocation.
If it should be understood that the first resource resource less than preset need, then a UE is to second
UE sends the resource pool distribution carried for increasing first resource increases the resource pool distribution of request
Response, so that the 2nd UE increases request again to a UE Resources allocation according to resource pool distribution.
Will also be appreciated that the 2nd UE carries for increasing first resource according to receive
Resource pool distribution increases the resource pool assignment response of request thus again to a UE Resources allocation.
208, a described UE carries out equipment according to described first resource with described 2nd UE and arrives
Equipment D2D communicates.
It should be understood that a UE receives the 2nd UE and distributes to the first resource of a UE,
And send resource assignment response, a UE and the according to the first resource received to the 2nd UE
Two UE carry out D2D communication.
Will also be appreciated that a UE distributes Secondary resource to the 2nd UE, and by distribution
Secondary resource is sent to the 2nd UE, receives the resource pool assignment response that the 2nd UE sends, with the
Two UE carry out D2D communication.
First resource and Secondary resource simply make a distinction, and do not limit order successively, can
So that a UE can ensure that data can be received by the 2nd UE when of sending message, with
Time ensure data will not lose.
Oneth UE and the 2nd UE can directly communicate, and carries out forwarding and the transmission of data,
The forwarding of data is carried out without the relaying through network side.
The resource allocation methods based on D2D communication provided by the present embodiment, it is possible to increase pass
Defeated efficiency, is effectively ensured the transmission of the accurately safety of data, meets the demand of D2D communication.
The resource allocation methods that the another kind that Fig. 3 provides for the embodiment of the present invention communicates based on D2D
Schematic flow sheet, as it is shown on figure 3, the present embodiment based on D2D communication resource distribution side
Method is as described below.
301, signal the forwarding of the SLSS of described UE described 2nd UE of reception are described
The signal of the SLSS of the 2nd UE, so that the 3rd UE receives the SLSS's of described 2nd UE
Signal also determines another RSRP of signal of described SLSS, so that described 3rd UE is by described
Another RSRP compares with described 3rd parameter value pre-configured for UE self, if another RSRP described
More than described 3rd parameter value pre-configured for UE self then using a described UE as in the second level
Heart synchronisation source.
It should be understood that a UE receives the signal of the SLSS of the 2nd UE and forwards second
The signal of the SLSS of UE, so that the 3rd UE receives the signal of the SLSS of the 2nd UE and determines
Another RSRP of the signal of SLSS, so that the 3rd UE is by another RSRP described and the 3rd UE
Self pre-configured parameter value compares, if another RSRP is more than the 3rd ginseng pre-configured for UE self
Numerical value then using a UE as central synchronous source, the second level.
Will also be appreciated that a UE receives another SLSS signal that the 3rd UE sends,
Determine another RSRP receiving another SLSS signal.
It should be understood that first order central synchronous source, central synchronous source, the second level are not to carry out
Limit concrete level, refer to that first order central synchronous source is on central synchronous source, the second level one
Level central synchronous source,
302, a described UE obtains information resources from first resource, and by described 3rd money
Source sends described 3rd UE, and receives the resource that described 3rd UE sends to a described UE
Pond assignment response.
It should be understood that a UE obtains information resources from first resource, and by information resources
Send the 3rd UE, and receive the resource pool assignment response that the 3rd UE sends to a UE.
Will also be appreciated that a UE is by pre-configured for another a RSRP and UE self
Parameter value compares, if another RSRP is higher than first self pre-configured parameter value, then by first
UE is as central synchronous source, the second level.
303, a described UE carries out D2D according to described information resources and described 3rd UE and leads to
Letter.
It should be understood that a UE distributes information resources to the 3rd UE, and information resources are sent out
Send the 3rd UE, and receive the resource pool assignment response that the 3rd UE sends to a UE, according to
Information resources and the 3rd UE carry out D2D communication.
It is understood that a UE receive that the 3rd UE sends for reducing information resources
Another resource allocation request, readjusts to be allocated the 3rd according to the distribution request of another resource pool
Resource, the information resources after the 3rd UE resends adjustment.
Oneth UE receives another resource distribution being used for increasing information resources of the 3rd UE transmission please
Asking, a UE is to the few information of resource of the 2nd UE feedback the oneth UE, so that the 2nd UE
The resource of distribution disclosure satisfy that a UE is to described 3rd UE distribution.
The resource allocation methods based on D2D communication provided by the present embodiment, it is possible to increase pass
Defeated efficiency, is effectively ensured the transmission of the accurately safety of data, meets the demand of D2D communication.
A kind of based on D2D communication the resource allocation methods that Fig. 4 provides for the embodiment of the present invention
Information flow chart, as shown in Figure 4, the resource allocation methods in D2D communication of the present embodiment is such as
Lower described.
First, system of selection based on synchronisation source UE, determine first order center the 2nd UE.?
After synchronization, all UE carry out the method for discovery procedure, and the i.e. the 4th UE finds the 2nd UE,
2nd UE finds that a 4th UE and UE, a UE find the 2nd UE and the 3rd UE,
3rd UE finds a UE.
Secondly, for the 4th UE, the 4th UE is given in the 2nd UE direct Resources allocation pond, for
Oneth UE, the 2nd UE Resources allocation pond gives a UE, but owing to also having the under a UE
Three UE, therefore a UE is by after the resource pool distribution of the 2nd UE distribution, continues distribution money
The 3rd UE is given in pond, source, to ensure that the transmission of resource will not conflict.
Again, owing to being also connected with the 3rd UE after a UE, then a UE likely can
Think that the resource of the 2nd UE distribution is not enough, therefore need not give the 3rd UE Resources allocation, directly
To the resource pool size of the 2nd UE feedback suggestion, to obtain more resource.
Finally, if the 4th UE thinks that resource is too much, because the 4th UE does not has low level
UE, the 4th UE can send messages to the 2nd UE, allow the 2nd UE subtract under absorbed resource.
The resource allocation methods based on D2D communication provided by the present embodiment, it is possible to increase pass
Defeated efficiency, is effectively ensured the transmission of the accurately safety of data, meets the demand of D2D communication.
The structural representation of a kind of subscriber equipment that Fig. 5 provides for the embodiment of the present invention, such as Fig. 5
Shown in, the subscriber equipment of the present embodiment is as described below.
A kind of subscriber equipment includes: receives unit 51, determine unit 52, comparing unit 53, join
Put unit 54, allocation unit 55, communication unit 56.
Receive unit 51, for receiving side link synchronization sequence SLSS that the 2nd UE sends
Signal.
Determining unit 52, the signal of the SLSS for sending according to described 2nd UE determines reception
The signal of the SLSS of described 2nd UE arrived receives power RSRP.
Comparing unit 53, for comparing described RSRP with self pre-configured parameter value.
Dispensing unit 54, if for described RSRP is higher than self pre-configured parameter value described,
Then using described 2nd UE as first order central synchronous source.
Allocation unit 55, receives described 2nd UE and distributes to the first resource of subscriber equipment, and
Resource pool assignment response is sent to described 2nd UE.
Communication unit 56, leads to for carrying out D2D according to described first resource with described 2nd UE
Letter.
Dispensing unit 54, if being additionally operable to the described RSRP pre-configured parameter less than subscriber equipment
Value, then using subscriber equipment as first order central synchronous source.
Allocation unit 55, is additionally operable to distribute Secondary resource to described 2nd UE, and by distribution
Described Secondary resource sends described 2nd UE, and receives described 2nd UE according to described second
Another resource pool assignment response that resource sends, according to described Secondary resource and described 2nd UE
Carry out D2D communication.
Allocation unit 55, is additionally operable to judge the money whether described first resource received is more than demand
Source, if described first resource is more than the resource of described demand, then subscriber equipment is to described 2nd UE
Send the resource pool distribution carried for reducing described first resource and reduce the resource pool distribution of request
Response, so that described 2nd UE reduces request again to subscriber equipment according to the distribution of described resource pool
Resources allocation, if described first resource is less than the resource of described demand, then subscriber equipment is to second
UE sends the resource pool distribution carried for increasing first resource increases the resource pool distribution of request
Response, so that described 2nd UE increases request again to subscriber equipment according to the distribution of described resource pool
Resources allocation.
Receive unit 51, be additionally operable to receive the signal of the SLSS of described 2nd UE and forward described
The signal of the SLSS of the 2nd UE, so that the 3rd UE receives the SLSS's of described 2nd UE
Signal also determines another RSRP of signal of described SLSS, so that described 3rd UE is by described
Another RSRP compares with described 3rd parameter value pre-configured for UE self, if another RSRP described
More than described 3rd parameter value pre-configured for UE self then using described subscriber equipment as the second level
Central synchronous source.
Allocation unit 55, is additionally operable to described subscriber equipment and obtains information resources from first resource,
And described information resources are sent described 3rd UE, and receive described 3rd UE to described user
The resource pool assignment response that equipment sends.
Communication unit 56, is additionally operable to carry out D2D according to described information resources with described 3rd UE
Communication.
Receive unit 51, be additionally operable to receive carrying for reducing of described 3rd UE transmission described
The resource pool assignment response of another resource allocation request of information resources.
Allocation unit 55, is additionally operable to readjust according to another resource pool described distribution request treat point
The described information resources joined, the information resources after described 3rd UE resends adjustment.
Receive unit 51, be additionally operable to receive carrying for increasing of described 3rd UE transmission described
The resource pool assignment response of another resource allocation request of information resources, described subscriber equipment is to institute
State the information that the resource of the 2nd UE described subscriber equipment of feedback is few, so that described 2nd UE distribution
Resource disclosure satisfy that described subscriber equipment to described 3rd UE distribution.
The subscriber equipment provided by the present embodiment, it is possible to increase the efficiency of transmission, is effectively ensured
The transmission of the accurately safety of data, meets the demand of D2D communication.
One of ordinary skill in the art will appreciate that: realize the whole of said method embodiment or
Part steps can be completed by the hardware that programmed instruction is relevant, and aforesaid program can store
In the storage medium of embodied on computer readable, this program upon execution, performs to include said method
The step of embodiment；And aforesaid storage medium includes: ROM, RAM, magnetic disc or CD
Etc. in the various media that can store program code.
The above, the only detailed description of the invention of the present invention, but, the protection model of the present invention
Enclosing and be not limited to this, any those familiar with the art is in the technology that the invention discloses
In the range of, the change that can readily occur in or replacement, all should contain protection scope of the present invention it
In.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (10)
1. a resource allocation methods based on D2D communication, it is characterised in that including:
First user equipment UE receives side link synchronization sequence SLSS of the 2nd UE transmission
Signal；
A described UE determines according to the signal of SLSS that described 2nd UE sends and to receive
The signal of the SLSS of described 2nd UE receives power RSRP；
Described RSRP is compared by a described UE with self pre-configured parameter value；
If described RSRP is higher than self pre-configured parameter value described, then described 2nd UE is made
For first order central synchronous source；
A described UE receives described 2nd UE and distributes to the first resource of a described UE,
And send resource pool assignment response to described 2nd UE；
A described UE carries out device-to-device according to described first resource with described 2nd UE
D2D communicates.
Resource allocation methods based on D2D communication the most according to claim 1, it is special
Levying and be, described RSRP is compared by a described UE with self pre-configured parameter value, also wraps
Include:
If the pre-configured parameter value that described RSRP is less than a described UE, then by described first
UE is as first order central synchronous source；
A described UE distributes Secondary resource to described 2nd UE, and by described the second of distribution
Resource sends described 2nd UE, and receives described 2nd UE and send according to described Secondary resource
Another resource pool assignment response, carry out D2D according to described Secondary resource and described 2nd UE
Communication.
Resource allocation methods based on D2D communication the most according to claim 1, it is special
Levying and be, a described UE carries out equipment to setting according to described first resource with described 2nd UE
Before standby D2D communicates, described method also includes:
A described UE judges whether the described first resource received is more than the resource of demand, if institute
Stating the first resource resource more than described demand, the most described UE sends to described 2nd UE
Carry the resource pool distribution for reducing described first resource and reduce the resource pool distribution sound of request
Should, again divide to a UE so that described 2nd UE reduces request according to the distribution of described resource pool
Join resource；
If described first resource is less than the resource of described demand, the most described UE is to the 2nd UE
The resource pool distribution sending the resource pool distribution increase request carried for increasing first resource rings
Should, so that described 2nd UE increases request again to described first according to the distribution of described resource pool
UE Resources allocation.
Resource allocation methods based on D2D communication the most according to claim 1, it is special
Levying and be, described method also includes:
A described UE receives the signal of the SLSS of described 2nd UE and forwards described second
The signal of the SLSS of UE, so that the 3rd UE receives the signal of the SLSS of described 2nd UE also
Determine another RSRP of the signal of described SLSS so that described 3rd UE by described another
RSRP compares with described 3rd parameter value pre-configured for UE self, if another RSRP described is big
In described 3rd parameter value pre-configured for UE self then using a described UE as center, the second level
Synchronisation source；
A described UE obtains information resources from first resource, and is sent by described information resources
Described 3rd UE, and receive the resource pool distribution that described 3rd UE sends to a described UE
Response；
A described UE carries out D2D communication according to described information resources with described 3rd UE.
Resource allocation methods based on D2D communication the most according to claim 4, it is special
Levy and be, carry out D2D according to described information resources with described 3rd UE at a described UE
Before communication steps, also include:
What described described 3rd UE of UE reception sent carries for reducing described information resources
The resource pool assignment response of another resource allocation request, please according to another resource pool described distribution
Ask and readjust described information resources to be allocated, after described 3rd UE resends adjustment
Information resources；
What described described 3rd UE of UE reception sent carries for increasing described information resources
The resource pool assignment response of another resource allocation request, a described UE is to described 2nd UE
Feed back the information that the resource of a described UE is few, so that the resource of described 2nd UE distribution can
Meet a described UE to described 3rd UE distribution.
6. a subscriber equipment, it is characterised in that including:
Receive unit, for receiving the letter of side link synchronization sequence SLSS that the 2nd UE sends
Number；
Determining unit, the signal of SLSS for sending according to described 2nd UE determines and receives
Described 2nd UE SLSS signal receive power RSRP；
Comparing unit, for comparing described RSRP with self pre-configured parameter value；
Dispensing unit, if for described RSRP is higher than self pre-configured parameter value described,
Then using described 2nd UE as first order central synchronous source；
Allocation unit, receives described 2nd UE and distributes to the first resource of subscriber equipment, and to institute
State the 2nd UE and send resource pool assignment response；
Communication unit, for carrying out D2D communication according to described first resource with described 2nd UE.
Subscriber equipment the most according to claim 6, it is characterised in that described dispensing unit,
If being additionally operable to the described RSRP pre-configured parameter value less than subscriber equipment, then by subscriber equipment
As first order central synchronous source；
Described allocation unit, is additionally operable to distribute Secondary resource to described 2nd UE, and by distribution
Described Secondary resource sends described 2nd UE, and receives described 2nd UE according to described second
Another resource pool assignment response that resource sends, according to described Secondary resource and described 2nd UE
Carry out D2D communication.
Subscriber equipment the most according to claim 6, it is characterised in that described allocation unit,
It is additionally operable to judge the resource whether described first resource received is more than demand, if described first money
Source is more than the resource of described demand, then subscriber equipment sends to described 2nd UE and carries for reducing
The resource pool distribution of described first resource reduces the resource pool assignment response of request, so that described the
Two UE reduce request again to user equipment allocation resource according to the distribution of described resource pool；
If described first resource is less than the resource of described demand, then subscriber equipment sends to the 2nd UE
Carry the resource pool distribution for increasing first resource and increase the resource pool assignment response of request, with
Make described 2nd UE increase request according to the distribution of described resource pool again to provide to user equipment allocation
Source.
Subscriber equipment the most according to claim 6, it is characterised in that described reception unit,
It is additionally operable to receive the signal of the SLSS of described 2nd UE and forward the SLSS of described 2nd UE
Signal so that the 3rd UE receives the signal of SLSS of described 2nd UE and determines described
Another RSRP of the signal of SLSS, so that described 3rd UE is by another RSRP described and institute
State the 3rd parameter value pre-configured for UE self to compare, if another RSRP described is more than the described 3rd
Parameter value pre-configured for UE self then using described subscriber equipment as central synchronous source, the second level；
Described allocation unit, is additionally operable to described subscriber equipment and obtains information resources from first resource,
And described information resources are sent described 3rd UE, and receive described 3rd UE to described user
The resource pool assignment response that equipment sends；
Described communication unit, is additionally operable to carry out D2D according to described information resources with described 3rd UE
Communication.
Subscriber equipment the most according to claim 6, it is characterised in that described reception list
Unit, is additionally operable to receive that described 3rd UE sends carries for reducing another of described information resources
The resource pool assignment response of resource allocation request；
Described allocation unit, is additionally operable to readjust according to another resource pool described distribution request treat
The described information resources of distribution, the information resources after described 3rd UE resends adjustment；
Described reception unit, is additionally operable to receive carrying for increasing of described 3rd UE transmission described
The resource pool assignment response of another resource allocation request of information resources, described subscriber equipment is to institute
State the information that the resource of the 2nd UE described subscriber equipment of feedback is few, so that described 2nd UE distribution
Resource disclosure satisfy that described subscriber equipment to described 3rd UE distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510047609.9A CN105992348B (en) | 2015-01-29 | 2015-01-29 | Resource allocation methods, user equipment based on D2D communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510047609.9A CN105992348B (en) | 2015-01-29 | 2015-01-29 | Resource allocation methods, user equipment based on D2D communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105992348A true CN105992348A (en) | 2016-10-05 |
| CN105992348B CN105992348B (en) | 2019-06-21 |
Family
ID=57035168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510047609.9A Active CN105992348B (en) | 2015-01-29 | 2015-01-29 | Resource allocation methods, user equipment based on D2D communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105992348B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108419295A (en) * | 2017-02-10 | 2018-08-17 | 华为技术有限公司 | Method, network side equipment and the terminal communicated between a kind of terminal and terminal |
| CN108834107A (en) * | 2017-05-05 | 2018-11-16 | 上海诺基亚贝尔股份有限公司 | Method and apparatus for by-link discovery |
| WO2019029227A1 (en) * | 2017-08-11 | 2019-02-14 | 中兴通讯股份有限公司 | Signal detection method and apparatus, signal sending method and apparatus, remote user device, and storage medium |
| WO2019095292A1 (en) * | 2017-11-17 | 2019-05-23 | 北京小米移动软件有限公司 | System information configuration and reading method and apparatus, base station and user equipment |
| CN109804679A (en) * | 2016-10-13 | 2019-05-24 | Lg电子株式会社 | In a wireless communication system by the terminal sidelinks method for transmitting synchronizing signal executed and the terminal of use this method |
| CN111165029A (en) * | 2017-09-28 | 2020-05-15 | Lg电子株式会社 | Method and apparatus for allowing user equipment to transmit and receive synchronization signal in multiple component carriers in wireless communication system |
| WO2020191997A1 (en) * | 2019-03-28 | 2020-10-01 | Oppo广东移动通信有限公司 | Radio link management method, and related apparatus |
| CN112640563A (en) * | 2020-07-30 | 2021-04-09 | 华为技术有限公司 | Communication method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130083779A1 (en) * | 2011-09-30 | 2013-04-04 | Electronics And Telecommunications Research Institute | Method for device-to-device communication based on cellular telecommunication system |
| CN103298113A (en) * | 2012-02-23 | 2013-09-11 | 华为技术有限公司 | Device to device (D2D) communication method and D2D communication equipment |
| CN104219758A (en) * | 2014-08-08 | 2014-12-17 | 中兴通讯股份有限公司 | D2D communication method and device |
-
2015
- 2015-01-29 CN CN201510047609.9A patent/CN105992348B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130083779A1 (en) * | 2011-09-30 | 2013-04-04 | Electronics And Telecommunications Research Institute | Method for device-to-device communication based on cellular telecommunication system |
| CN103298113A (en) * | 2012-02-23 | 2013-09-11 | 华为技术有限公司 | Device to device (D2D) communication method and D2D communication equipment |
| CN104219758A (en) * | 2014-08-08 | 2014-12-17 | 中兴通讯股份有限公司 | D2D communication method and device |
Non-Patent Citations (1)
| Title |
|---|
| CATT: "Discussion on physical channel types for D2D communication", 《3GPP TSG RAN WG1 MEETING #74BIS R1-134112》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11425671B2 (en) | 2016-10-13 | 2022-08-23 | Lg Electronics Inc. | Sidelink synchronization signal transmission method performed by terminal in wireless communication system and terminal using same |
| CN109804679A (en) * | 2016-10-13 | 2019-05-24 | Lg电子株式会社 | In a wireless communication system by the terminal sidelinks method for transmitting synchronizing signal executed and the terminal of use this method |
| US11647473B2 (en) | 2016-10-13 | 2023-05-09 | Lg Electronics Inc. | Sidelink synchronization signal transmission method performed by terminal in wireless communication system and terminal using same |
| CN108419295A (en) * | 2017-02-10 | 2018-08-17 | 华为技术有限公司 | Method, network side equipment and the terminal communicated between a kind of terminal and terminal |
| CN108834107A (en) * | 2017-05-05 | 2018-11-16 | 上海诺基亚贝尔股份有限公司 | Method and apparatus for by-link discovery |
| CN108834107B (en) * | 2017-05-05 | 2020-12-18 | 上海诺基亚贝尔股份有限公司 | Method and apparatus for sidelink discovery |
| WO2019029227A1 (en) * | 2017-08-11 | 2019-02-14 | 中兴通讯股份有限公司 | Signal detection method and apparatus, signal sending method and apparatus, remote user device, and storage medium |
| US11290971B2 (en) | 2017-08-11 | 2022-03-29 | Xi'an Zhongxing New Software Co., Ltd. | Signal detection method and apparatus, signal sending method and apparatus, remote user device, and storage medium |
| CN111165029A (en) * | 2017-09-28 | 2020-05-15 | Lg电子株式会社 | Method and apparatus for allowing user equipment to transmit and receive synchronization signal in multiple component carriers in wireless communication system |
| CN111165029B (en) * | 2017-09-28 | 2022-09-23 | Lg电子株式会社 | Method and apparatus for allowing user equipment to transmit and receive synchronization signal in multiple component carriers in wireless communication system |
| US11191047B2 (en) | 2017-09-28 | 2021-11-30 | Lg Electronics Inc. | Method and apparatus for allowing user equipment to transmit and receive synchronization signal in plurality of component carriers in wireless communication system |
| WO2019095292A1 (en) * | 2017-11-17 | 2019-05-23 | 北京小米移动软件有限公司 | System information configuration and reading method and apparatus, base station and user equipment |
| WO2020191997A1 (en) * | 2019-03-28 | 2020-10-01 | Oppo广东移动通信有限公司 | Radio link management method, and related apparatus |
| CN112640563A (en) * | 2020-07-30 | 2021-04-09 | 华为技术有限公司 | Communication method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105992348B (en) | 2019-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105992348A (en) | Device-to-device (D2D) communication-based resource distribution method and user equipment | |
| US9843918B2 (en) | Device-to-device (D2D) discovery method, base station, and user equipment | |
| JP6501930B2 (en) | User terminal and device | |
| CN105101430B (en) | D2D resource configuration and distribution method and device | |
| CN104936164B (en) | It indicates D2D relevant information and determines that D2D sends the method and device of resource | |
| EP3179795B1 (en) | Device-to-device service processing method and apparatus | |
| US10986690B2 (en) | Method and apparatus for configuring RRC connection establishment cause for relay terminal in idle state in wireless communication system | |
| CN105451153B (en) | In a communications system for controlling the method and device of ProSe business | |
| CN108605311A (en) | The multi-carrier operation of narrowband Internet of Things | |
| CN106063351B (en) | Device-to-device communication method and apparatus | |
| CN105594277A (en) | Method and apparatus for using resources for device-to-device operation in wireless communication system | |
| CN104770032B (en) | Resource request method and terminal, master base station under dual link pattern and prothetic group station | |
| CN105191178A (en) | Methods and apparatus for device-to-device communications system | |
| US20170208543A1 (en) | Method Of, And Transceiver Station And Mobile Terminal For, Distributing System Information In A Cellular Telecommunications Network | |
| CN103718514A (en) | Enhanced local access in mobile communications | |
| RU2661286C2 (en) | Device-to-device communication between networks of different communication operators | |
| CN108616330A (en) | A kind of discontinuous reception DRX methods of adjustment and device | |
| CN103582126A (en) | Method and terminal for configuring and activating SCell in cross eNB carrier polymerization system | |
| CN104244444A (en) | D2D transmission control method and equipment | |
| CN108141844A (en) | Communication control method, user equipment and base station | |
| CN104349355A (en) | Method, system and device for carrying out data communication | |
| CN104918330A (en) | D2D sending resource pool selection method and D2D sending UE | |
| JP2021511694A (en) | Random access methods and devices, computer storage media | |
| US20220394775A1 (en) | Method and apparatus for switching of data transmission between radio access technologies for early data transmission | |
| CN110166268B (en) | Communication method and device of wireless backhaul network |
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 |