CN104796367B - A kind of sending method of synchronizing information, detection method and user equipment - Google Patents
A kind of sending method of synchronizing information, detection method and user equipment Download PDFInfo
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- CN104796367B CN104796367B CN201410020126.5A CN201410020126A CN104796367B CN 104796367 B CN104796367 B CN 104796367B CN 201410020126 A CN201410020126 A CN 201410020126A CN 104796367 B CN104796367 B CN 104796367B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention discloses a kind of sending method of synchronizing information, detection method and user equipmenies.The sending method of its synchronizing information includes：User equipment sends synchronizing signal in synchronizing signal resource；According to the correspondence of synchronizing signal resource and synchronizing channel resource, a synchronizing channel resource is selected from the corresponding multiple synchronizing channel resources of the synchronizing signal resource；Synchronizing channel is sent in the synchronizing channel resource of selection.Technical solution provided in an embodiment of the present invention, synchronizing signal resource corresponds to multiple synchronizing channel resources, UE therefrom selects a synchronizing channel resource to send synchronizing channel so that different UE can send synchronizing channel in different synchronizing channel resources, so as to avoid interfering with each other between synchronizing channel.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of sending method of synchronizing information, detection method and
User equipment.
Background technology
Device-to-device（Device-to-Device, D2D）, i.e. terminal direct connection technology refers to neighbouring user equipment
（User Equipment, UE, also known as terminal）It can be carried out data transmission in short range by direct connected link, do not needed to
Pass through Centroid（That is base station）It is forwarded.
Long term evolution（Long Term Evolution, LTE）D2D technologies refer to be operated in LTE authorize in frequency range by
The D2D of LTE network control is found and communication process.On the one hand the advantages of D2D technologies can be given full play to, while LTE network
Control can also overcome the problems, such as some of traditional D2D technologies, such as interfere uncontrollable etc..The introducing of LTE D2D characteristics will make LTE
Technology is from the simple wireless mobile cellular communication technology towards " general interconnection technique "（Universal Connectivity
Technology）Direction evolution.
UE is carrying out D2D transmission（D2D is found or D2D communications）Before, it first has to synchronize.UE is sent out according to reference to synchronisation source
The synchronizing signal sent sends the synchronous reference of D2D signals to obtain.When UE sends D2D signals, synchronous letter can also be sent simultaneously
Number provide synchronous reference for other UE.Meanwhile UE can also send synchronizing channel when sending synchronizing signal, be taken in synchronizing channel
Band resource allocation information or synchronous source information etc. information.
Several typical D2D transmitting scenes are contained in Fig. 1：In cell, minizone, subnetwork covering and covered without network
The D2D transmission of lid.
In the case of D2D in cell is transmitted, UE obtains synchronous with network side（It is evolved section with reference to synchronisation source
Point B（ENB, the base station in LTE system））, then UE can according to respectively synchronous with network side, obtain mutual synchronization so as to
D2D transmission is carried out in synchronous discovery resource, D2D resource distributions used can also be obtained from network side.
In the case of minizone D2D is transmitted, due to may be nonsynchronous between two cells, if according to respectively with
The synchronization of network side may be then nonsynchronous between two UE, can not directly carry out D2D discoveries or D2D communications, UE may also
The discovery resource used in adjacent cell is not known.At this point, UE needs the eNB from neighboring community by the synchronizing signal that adjacent cell is sent
Or the timing reference of adjacent cell is obtained at UE, the D2D communications of minizone could be carried out.In addition, UE can also be believed by synchronous
Road obtains the resource allocation information of adjacent cell at the UE of adjacent cell.
For the scene of subnetwork covering, UE near overlay area is not synchronous biography with the UE in overlay area
It is defeated, it is likely to result in serious interfere with each other.At this point, synchronizing signal and synchronizing channel can be transmitted to and cover by UE in overlay area
UE outside cover area, wherein, the D2D resource allocation informations in overlay area are carried in synchronizing channel, so as to make overlay area attached
Near UE can be also transmitted based on the synchronizing signal in overlay area and D2D resource distributions with UE in overlay area, be reduced not
Interference caused by synchronization.
For the scene of no network coverage, communicating pair is same between communicating pair in order to ensure all without access network
Step, can transmit respective synchronizing signal and synchronizing channel, wherein, synchronous source information is carried in synchronizing channel.
In practical D2D transmission processes, the reference synchronisation source of different D2D UE may be identical or be mutually in step.
So, the synchronizing signal that different D2D UE are sent is identical, but the information entrained by the synchronizing channel of D2D UE transmissions may
It is different, it may be interfered with each other between the synchronizing channel of synchronous transfer at this time.For example, come self synchronous different community
D2D UE, the information that the synchronizing channel forwarded carries are different（Different D2D resource allocation informations）；And coverage area
Outer UE may also need to send synchronizing channel simultaneously to carry synchronous source information.Synchronous a variety of differences can be existed simultaneously at this time
Synchronizing channel, cause interfering with each other between synchronizing channel.
Invention content
The object of the present invention is to provide a kind of sending method of synchronizing information, detection method and user equipmenies, same to solve
The problem of may being interfered with each other between the synchronizing channel of step transmission.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of sending method of synchronizing information, including：
UE sends synchronizing signal in synchronizing signal resource；
The UE is corresponding more from the synchronizing signal resource according to the correspondence of synchronizing signal resource and synchronizing channel resource
A synchronizing channel resource is selected in a synchronizing channel resource；
The UE sends synchronizing channel in the synchronizing channel resource of selection.
Inventor has found in the implementation of the present invention, why can exist simultaneously synchronous a variety of different synchronous letters
Road is because synchronous UE sends synchronizing channel on the corresponding identical physical resource of synchronizing signal.And the embodiment of the present invention
The technical solution of offer, synchronizing signal resource correspond to multiple synchronizing channel resources, and UE therefrom selects a synchronizing channel resource hair
Send synchronizing channel so that different UE can send synchronizing channel in different synchronizing channel resources, so as to avoid synchronizing channel
Between interfere with each other.In addition, in the embodiment of the present invention, synchronizing signal resource and the correspondence of synchronizing channel resource are true in advance
It is fixed, can be while synchronizing signal reliability be ensured, being reached with the resource overhead of very little reduces the different synchronous of synchronous transfer
The purpose of interchannel interference.
In the embodiment of the present invention, the physical resource of synchronizing signal resource, that is, synchronizing signal occupancy can make an appointment
The physical resource that physical resource or the physical resource according to used in sending synchronizing signal with reference to synchronisation source determine, may be used also
To be physical resource determining by other means.
Synchronous UE can use identical synchronizing signal resource to send synchronizing signal.
Wherein, the physical resource according to used in sending synchronizing signal with reference to synchronisation source determines that the mode of synchronizing signal resource has
It is a variety of.For example, the physical resource subsequently sent used in synchronizing signal with reference to synchronisation source is determined as synchronizing signal resource by UE；May be used also
Synchronizing signal is determined with the time-domain resource initial position for being physical resources of the UE according to used in sending synchronizing signal with reference to synchronisation source
The time-domain resource initial position of resource, and determine period of the period of synchronizing signal resource with sending synchronizing signal with reference to synchronisation source
It is identical.
UE sends synchronizing signal according to determining synchronous reference.And synchronous reference is according to the source of synchronising signal detected
What synchronizing signal determined.Therefore, follow-up " follow-up " sent in synchronizing signal of synchronous reference member is that opposite UE sends synchronizing signal
Based on source of synchronising signal synchronizing signal for.
The realization method of a synchronizing channel resource is selected from the corresponding multiple synchronizing channel resources of synchronizing signal resource
There are many.Based on above-mentioned any means embodiment, one kind is preferably achieved in that, each synchronizing channel obtained according to measurement
Interference information in resource selects a synchronizing channel resource.Another kind is preferably achieved in that, from synchronizing signal resource pair
A synchronizing channel resource is randomly choosed in the multiple synchronizing channel resources answered.
Based on above-mentioned any means embodiment, preferably, the correspondence packet of synchronizing signal resource and synchronizing channel resource
It includes：
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, but occupy the different OFDM symbols of same subframe
Number；Alternatively,
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, and the son that the physical resource of synchronizing signal occupies
The subframe of frame and synchronizing channel resource occupation has fixed correspondence；Alternatively,
The synchronizing signal resource subframe identical with synchronizing channel resource occupation, but occupy different bandwidth.
A kind of detection method of synchronizing information, including：
UE detects synchronizing signal in synchronizing signal resource；
After detecting synchronizing signal, the UE is same at this according to the correspondence of synchronizing signal resource and synchronizing channel resource
Synchronizing channel is detected in the corresponding each synchronizing channel resource of step signal resource.
Technical solution provided in an embodiment of the present invention, synchronizing signal resource correspond to multiple synchronizing channel resources, each transmission
End UE can send synchronizing channel in different synchronizing channel resources, and receiving terminal UE is detected not in different synchronizing channel resources
With the synchronizing channel that transmitting terminal UE is sent, so as to avoid interfering with each other between synchronizing channel.In addition, in the embodiment of the present invention,
Synchronizing signal resource and the correspondence of synchronizing channel resource predefine, can while synchronizing signal reliability is ensured,
Achieve the purpose that interfere between the different synchronizing channels of reduction synchronous transfer with the resource overhead of very little.
Preferably, after detecting synchronizing channel, UE obtains D2D resource allocation informations also from the synchronizing channel, according to this
D2D resource allocation informations send or receive D2D signals.
Preferably, after detecting synchronizing channel, UE obtains synchronous source information also from the synchronizing channel, according to the synchronisation source
Information determines synchronous reference.
Based on above-mentioned arbitrary receiving terminal embodiment of the method, preferably, synchronizing signal resource is the physical resource made an appointment；
Alternatively, synchronizing signal resource is the physical resource that the physical resource according to used in sending synchronizing signal with reference to synchronisation source determines.
Wherein, the physical resource according to used in sending synchronizing signal with reference to synchronisation source determines that the mode of synchronizing signal resource can
With but be not limited only to include：
The physical resource subsequently sent used in synchronizing signal with reference to synchronisation source is determined as synchronizing signal resource by UE；Alternatively,
The time-domain resource initial position of physical resources of the UE according to used in sending synchronizing signal with reference to synchronisation source determines to synchronize
The time-domain resource initial position of signal resource, and determine the period of synchronizing signal resource with sending synchronizing signal with reference to synchronisation source
Cycle phase is same.
Based on above-mentioned arbitrary receiving terminal embodiment of the method, preferably, synchronizing signal resource is corresponding with synchronizing channel resource
Relationship can with but be not limited only to include：
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, but occupy the different OFDM symbols of same subframe
Number；Alternatively,
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, and the son that the physical resource of synchronizing signal occupies
The subframe of frame and synchronizing channel resource occupation has fixed correspondence；Alternatively,
The synchronizing signal resource subframe identical with synchronizing channel resource occupation, but occupy different bandwidth.
Based on the same inventive concept of method, the embodiment of the present invention provides a kind of UE, including：
Synchronizing signal transmitting element, for sending synchronizing signal in synchronizing signal resource；
Synchronizing channel resource determination unit, for the correspondence according to synchronizing signal resource and synchronizing channel resource, from
A synchronizing channel resource is selected in the corresponding multiple synchronizing channel resources of synchronizing signal resource；
Synchronizing channel transmitting element, for sending synchronizing channel in the synchronizing channel resource of selection.
Technical solution provided in an embodiment of the present invention, synchronizing signal resource correspond to multiple synchronizing channel resources, and UE is therefrom selected
It selects a synchronizing channel resource and sends synchronizing channel so that different UE can send synchronous letter in different synchronizing channel resources
Road, so as to avoid interfering with each other between synchronizing channel.In addition, in the embodiment of the present invention, synchronizing signal resource and synchronizing channel
The correspondence of resource predefines, and can reach drop while synchronizing signal reliability is ensured with the resource overhead of very little
The purpose interfered between the different synchronizing channels of low synchronous transfer.
Preferably, synchronizing signal resource is the physical resource made an appointment；Alternatively, synchronizing signal resource is according to reference to same
Step source sends the physical resource that the physical resource used in synchronizing signal determines.
On this basis, UE provided in an embodiment of the present invention can also include synchronizing signal resource determination unit, be used for：
The physical resource subsequently sent used in synchronizing signal with reference to synchronisation source is determined as synchronizing signal resource；Alternatively,
The time-domain resource initial position of physical resource according to used in sending synchronizing signal with reference to synchronisation source determines synchronous letter
The time-domain resource initial position of number resource, and determine week of the period of synchronizing signal resource with sending synchronizing signal with reference to synchronisation source
Phase is identical.
Based on above-mentioned arbitrary UE embodiments, preferably, synchronizing channel resource determination unit is specifically used for：
According to the interference information measured in obtained each synchronizing channel resource, a synchronizing channel resource is selected；Alternatively,
A synchronizing channel resource is randomly choosed from the corresponding multiple synchronizing channel resources of synchronizing signal resource.
Based on above-mentioned arbitrary UE embodiments, preferably, synchronizing signal resource and the correspondence of synchronizing channel resource include：
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, but occupy the different OFDM symbols of same subframe
Number；Alternatively,
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, and the son that the physical resource of synchronizing signal occupies
The subframe of frame and synchronizing channel resource occupation has fixed correspondence；Alternatively,
The synchronizing signal resource subframe identical with synchronizing channel resource occupation, but occupy different bandwidth.
Based on the same inventive concept of method, the embodiment of the present invention also provides a kind of UE, including processor and radio frequency list
Member：
The radio frequency unit is configured as, and synchronizing signal is sent in synchronizing signal resource；
The processor is configured as, according to the correspondence of synchronizing signal resource and synchronizing channel resource, from synchronizing signal
A synchronizing channel resource is selected in the corresponding multiple synchronizing channel resources of resource；
The radio frequency unit is additionally configured to, and synchronizing channel is sent in the synchronizing channel resource of selection.
Technical solution provided in an embodiment of the present invention, synchronizing signal resource correspond to multiple synchronizing channel resources, and UE is therefrom selected
It selects a synchronizing channel resource and sends synchronizing channel so that different UE can send synchronous letter in different synchronizing channel resources
Road, so as to avoid interfering with each other between synchronizing channel.In addition, in the embodiment of the present invention, synchronizing signal resource and synchronizing channel
The correspondence of resource predefines, and can reach drop while synchronizing signal reliability is ensured with the resource overhead of very little
The purpose interfered between the different synchronizing channels of low synchronous transfer.
Based on the same inventive concept of method, the embodiment of the present invention provides a kind of user equipment, including：
Synchronous signal detection unit, for detecting synchronizing signal in synchronizing signal resource；
Synchronizing channel detection unit, for after synchronous signal detection unit detects synchronizing signal, according to synchronizing signal
The correspondence of resource and synchronizing channel resource detects synchronous letter in the corresponding each synchronizing channel resource of synchronizing signal resource
Road.
Technical solution provided in an embodiment of the present invention, synchronizing signal resource correspond to multiple synchronizing channel resources, each transmission
End UE can send synchronizing channel in different synchronizing channel resources, and receiving terminal UE is detected not in different synchronizing channel resources
With the synchronizing channel that transmitting terminal UE is sent, so as to avoid interfering with each other between synchronizing channel.In addition, in the embodiment of the present invention,
Synchronizing signal resource and the correspondence of synchronizing channel resource predefine, can while synchronizing signal reliability is ensured,
Achieve the purpose that interfere between the different synchronizing channels of reduction synchronous transfer with the resource overhead of very little.
Preferably, UE provided in an embodiment of the present invention further includes D2D signal transmission units, it is single for being detected in synchronizing channel
After member detects synchronizing channel, from synchronizing channel obtain D2D resource allocation informations, according to D2D resource allocation informations send or
Person receives D2D signals.
Preferably, UE provided in an embodiment of the present invention further includes synchronous reference determination unit, for being detected in synchronizing channel
After unit detects synchronizing channel, synchronous source information is obtained from the synchronizing channel, is determined together according to the synchronous source information
Step reference.
Based on above-mentioned any means embodiment, preferably, synchronizing signal resource is the physical resource made an appointment；Alternatively,
Synchronizing signal resource is the physical resource that the physical resource according to used in sending synchronizing signal with reference to synchronisation source determines.
On this basis, UE provided in an embodiment of the present invention further includes synchronizing signal resource determination unit, is used for：
The physical resource subsequently sent used in synchronizing signal with reference to synchronisation source is determined as synchronizing signal resource；Alternatively,
The time-domain resource initial position of physical resource according to used in sending synchronizing signal with reference to synchronisation source determines synchronous letter
The time-domain resource initial position of number resource, and determine week of the period of synchronizing signal resource with sending synchronizing signal with reference to synchronisation source
Phase is identical.
Based on above-mentioned arbitrary UE embodiments, preferably, synchronizing signal resource and the correspondence of synchronizing channel resource include：
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, but occupy the different OFDM symbols of same subframe
Number；Alternatively,
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, and the son that the physical resource of synchronizing signal occupies
The subframe of frame and synchronizing channel resource occupation has fixed correspondence；Alternatively,
The synchronizing signal resource subframe identical with synchronizing channel resource occupation, but occupy different bandwidth.
Based on the same inventive concept of method, the embodiment of the present invention also provides a kind of user equipment, including radio frequency unit
And processor.
The processor is configured as, and control radio frequency unit detects synchronizing signal in synchronizing signal resource；In radio frequency unit
After detecting synchronizing signal, according to the correspondence of synchronizing signal resource and synchronizing channel resource, control radio frequency unit is in synchronization
Synchronizing channel is detected in the corresponding each synchronizing channel resource of signal resource.
Technical solution provided in an embodiment of the present invention, synchronizing signal resource correspond to multiple synchronizing channel resources, each transmission
End UE can send synchronizing channel in different synchronizing channel resources, and receiving terminal UE is detected not in different synchronizing channel resources
With the synchronizing channel that transmitting terminal UE is sent, so as to avoid interfering with each other between synchronizing channel.In addition, in the embodiment of the present invention,
Synchronizing signal resource and the correspondence of synchronizing channel resource predefine, can while synchronizing signal reliability is ensured,
Achieve the purpose that interfere between the different synchronizing channels of reduction synchronous transfer with the resource overhead of very little.
Description of the drawings
Fig. 1 is D2D transmitting scene schematic diagrames；
Fig. 2 is the sending method flow chart of synchronizing information provided in an embodiment of the present invention；
Fig. 3 is the detection method flow chart of synchronizing information provided in an embodiment of the present invention；
Fig. 4 is embodiment application scenarios schematic diagram provided in an embodiment of the present invention；
Fig. 5 is synchronizing signal resource provided in an embodiment of the present invention and synchronizing channel resource correspondence schematic diagram；
Fig. 6 is a kind of user equipment schematic diagram provided in an embodiment of the present invention；
Fig. 7 is another user equipment schematic diagram provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention provides a kind of sending method of synchronizing information, detection method and corresponding embodiment.Wherein, together
It walks information and includes synchronizing signal and synchronizing channel.Synchronizing signal is sent in synchronizing signal resource, and synchronizing signal resource corresponds to more
A synchronizing channel resource, different UE or different types of synchronizing channel can occupy different synchronizing channel resources, ensure
While synchronizing signal reliability, the interference between synchronizing channel different in synchronous transfer is reduced with the resource overhead of very little.
Below in conjunction with attached drawing, technical solution provided in an embodiment of the present invention is described in detail.
Fig. 2 show a kind of sending method of synchronizing information provided in an embodiment of the present invention, specifically includes following operation：
Step 200, UE send synchronizing signal in synchronizing signal resource.
Step 210, the UE are according to the correspondence of synchronizing signal resource and synchronizing channel resource, from the synchronizing signal resource
A synchronizing channel resource is selected in corresponding multiple synchronizing channel resources.
Wherein, synchronizing signal resource and the correspondence of synchronizing channel resource are predetermined.Specifically, can be pre-
First arrange or network side equipment is configured by high-level signaling.
Synchronizing channel resource is to carry the physical resource of synchronizing channel, the corresponding multiple synchronizing channel moneys of synchronizing signal resource
Source can occupy different time domain and/or frequency domain resource.For example, the difference of the different same subframes of synchronizing channel resource occupation
Different Physical Resource Block in OFDM symbol or the same subframe of occupancy（PRB）
Preferably, there are many correspondences of synchronizing signal resource and synchronizing channel resource, enumerate below wherein several：
Correspondence 1, synchronizing signal the resource bandwidth identical with synchronizing channel resource occupation, but occupy same subframe not
Same OFDM symbol.For example, first 1 or 2 OFDM symbols of synchronizing signal resource occupation subframe, synchronizing channel resource occupation should
Other OFDM symbols of subframe.
Correspondence 2, synchronizing signal the resource bandwidth identical with synchronizing channel resource occupation, and the physics money of synchronizing signal
The subframe that source occupies and the subframe of synchronizing channel resource occupation have fixed correspondence.For example, synchronizing channel resource occupation is same
Several subframes after subframe where walking signal resource.
Correspondence 3, synchronizing signal the resource subframe identical with synchronizing channel resource occupation, but occupy different bandwidth.
For example, the whole bandwidth of subframe where synchronizing channel resource occupation synchronizing signal resource.
Step 220, the UE send synchronizing channel in the synchronizing channel resource of selection.
Inventor has found in the implementation of the present invention, why can exist simultaneously synchronous a variety of different synchronous letters
Road is because synchronous UE sends synchronizing channel on the corresponding identical physical resource of synchronizing signal.And the embodiment of the present invention
The technical solution of offer, synchronizing signal resource correspond to multiple synchronizing channel resources, and UE therefrom selects a synchronizing channel resource hair
Send synchronizing channel so that different UE can send synchronizing channel in different synchronizing channel resources, so as to avoid synchronizing channel
Between interfere with each other.In addition, in the embodiment of the present invention, synchronizing signal resource and the correspondence of synchronizing channel resource are true in advance
It is fixed, can be while synchronizing signal reliability be ensured, being reached with the resource overhead of very little reduces the different synchronous of synchronous transfer
The purpose of interchannel interference.
In the embodiment of the present invention, the physical resource of synchronizing signal resource, that is, synchronizing signal occupancy can make an appointment
Physical resource（For example, time domain occupies the first two OFDM symbol of some about stator frame, 72 sons among frequency domain occupied bandwidth carry
Wave, wherein, about stator frame can be described as synchronous subframe）Or the physics according to used in sending synchronizing signal with reference to synchronisation source
The physical resource that resource determines can also be the physical resource determined by other means.
Synchronous UE can use identical synchronizing signal resource to send synchronizing signal.
Wherein, the physical resource according to used in sending synchronizing signal with reference to synchronisation source determines that the mode of synchronizing signal resource has
It is a variety of.For example, the physical resource subsequently sent used in synchronizing signal with reference to synchronisation source is determined as synchronizing signal resource by UE；May be used also
Synchronizing signal is determined with the time-domain resource initial position for being physical resources of the UE according to used in sending synchronizing signal with reference to synchronisation source
The time-domain resource initial position of resource, and determine period of the period of synchronizing signal resource with sending synchronizing signal with reference to synchronisation source
It is identical.It is it is of course also possible to the part physical resource subsequently sent in the physical resource used in synchronizing signal with reference to synchronisation source is true
It is set to synchronizing signal resource.The integral multiple in the period of synchronizing signal will can also be subsequently sent with reference to synchronisation source as synchronizing signal
The period of resource.Can also certain time be postponed according to the physical resource where the synchronizing signal of reference synchronisation source detected
Start to send synchronizing signal, and using synchronous with reference synchronisation source as the time-domain resource initial position of synchronizing signal resource afterwards
The signal identical period.Wherein, certain time can be the half in the period of synchronizing signal.
UE sends synchronizing signal according to determining synchronous reference.And synchronous reference is according to the source of synchronising signal detected
What synchronizing signal determined.Therefore, follow-up " follow-up " sent in synchronizing signal of synchronous reference member is that opposite UE sends synchronizing signal
Based on source of synchronising signal synchronizing signal for.
The realization method of a synchronizing channel resource is selected from the corresponding multiple synchronizing channel resources of synchronizing signal resource
There are many.Based on above-mentioned any means embodiment, one kind is preferably achieved in that, each synchronizing channel obtained according to measurement
Interference information in resource selects a synchronizing channel resource；For example, the synchronizing channel resource that selection interference is minimum.It is another
It is preferably achieved in that, a synchronizing channel money is randomly choosed from the corresponding multiple synchronizing channel resources of synchronizing signal resource
Source.
Fig. 3 show a kind of detection method of synchronizing information provided in an embodiment of the present invention, specifically includes：
Step 300, UE detect synchronizing signal in synchronizing signal resource.
Step 310, after detecting synchronizing signal, the UE according to synchronizing signal resource it is corresponding with synchronizing channel resource close
System, synchronizing channel is detected in the corresponding each synchronizing channel resource of the synchronizing signal resource.
Technical solution provided in an embodiment of the present invention, synchronizing signal resource correspond to multiple synchronizing channel resources, each transmission
End UE can send synchronizing channel in different synchronizing channel resources, and receiving terminal UE is detected not in different synchronizing channel resources
With the synchronizing channel that transmitting terminal UE is sent, so as to avoid interfering with each other between synchronizing channel.In addition, in the embodiment of the present invention,
Synchronizing signal resource and the correspondence of synchronizing channel resource predefine, can while synchronizing signal reliability is ensured,
Achieve the purpose that interfere between the different synchronizing channels of reduction synchronous transfer with the resource overhead of very little.
Preferably, after detecting synchronizing channel, UE obtains D2D resource allocation informations also from the synchronizing channel, according to this
D2D resource allocation informations send or receive D2D signals.
Preferably, after detecting synchronizing channel, UE obtains synchronous source information also from the synchronizing channel, according to the synchronisation source
Information determines synchronous reference.
Based on above-mentioned arbitrary receiving terminal embodiment of the method, preferably, synchronizing signal resource is the physical resource made an appointment；
Alternatively, synchronizing signal resource is the physical resource that the physical resource according to used in sending synchronizing signal with reference to synchronisation source determines.
Wherein, the physical resource according to used in sending synchronizing signal with reference to synchronisation source determines that the mode of synchronizing signal resource can
With but be not limited only to include：
The physical resource subsequently sent used in synchronizing signal with reference to synchronisation source is determined as synchronizing signal resource by UE；Alternatively,
The time-domain resource initial position of physical resources of the UE according to used in sending synchronizing signal with reference to synchronisation source determines to synchronize
The time-domain resource initial position of signal resource, and determine the period of synchronizing signal resource with sending synchronizing signal with reference to synchronisation source
Cycle phase is same.
Based on above-mentioned arbitrary receiving terminal embodiment of the method, preferably, synchronizing signal resource is corresponding with synchronizing channel resource
Relationship can with but be not limited only to include：
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, but occupy the different OFDM symbols of same subframe
Number；Alternatively,
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, and the son that the physical resource of synchronizing signal occupies
The subframe of frame and synchronizing channel resource occupation has fixed correspondence；Alternatively,
The synchronizing signal resource subframe identical with synchronizing channel resource occupation, but occupy different bandwidth.
Below by taking concrete application scene as an example, technical solution provided in an embodiment of the present invention is described.
Assuming that UE1 and UE2 be in the network coverage, and belong to synchronous different community；UE3, UE4 are in the network coverage
Outside.Wherein, UE1, UE2, UE3 send synchronizing signal and synchronizing channel, and UE4 receives synchronizing signal and synchronizing channel, such as Fig. 4 institutes
Show.
Each UE for sending synchronizing signal is determined respectively with reference to synchronisation source, and is obtained synchronous reference from reference to synchronisation source.Wherein,
The reference synchronisation source of UE1 is cell 1, and the reference synchronisation source of UE2 is cell 2, and the reference synchronisation source of UE3 is also cell 1, is passed through
UE1 forwards to obtain.Actually it is also synchronous since cell 1 with cell 2 is synchronous, between these three UE.
By taking UE1 as an example, determine with reference to synchronisation source and obtain the realization method of synchronous reference and be：UE1 is according to detecting
The synchronizing signal of cell 1 determine with reference to synchronisation source be cell 1, and from reference to synchronisation source synchronizing signal（It can be combined with synchronizing
Channel）Obtain synchronous reference.Synchronous reference includes at least Domain Synchronous timing, can also include frequency domain synchronization reference frequency point.
Wherein, if UE does not detect any synchronizing signal or synchronizing channel with reference to synchronisation source, it is determined that itself
As with reference to synchronisation source.So, the information with reference to synchronisation source is carried in the synchronizing channel which sends.
UE1-UE3 according to from the synchronous reference obtained with reference to synchronisation source, is sent in the synchronizing signal resource of agreement respectively
Synchronizing signal.Specifically, UE1 and UE2 obtain synchronous reference from the downlink synchronous signal of cell 1 and cell 2 respectively, appointing in advance
Synchronizing signal is sent in the synchronizing signal resource set, as shown in figure 5, synchronizing signal resource time domain occupies preceding the two of synchronous subframe
A OFDM symbol, 72 subcarriers among frequency domain occupied bandwidth（That is 6 PRB）；UE3 is obtained according at the synchronizing signal of UE1
The synchronous reference obtained, with reference to the period of the synchronizing signal of agreement, determines that the UE1 subsequently sends the physical resource of synchronizing signal,
The synchronizing signal resource of synchronizing signal is sent as itself；Since the reference synchronisation source of three UE is identical or synchronous, UE1
The resource location that~UE3 sends synchronizing signal is to overlap.
With reference to synchronisation source it is identical or with reference to synchronisation source synchronize UE sent in the synchronizing signal resource of agreement it is identical
Synchronizing signal can enhance the reception power of the synchronizing signal, expand the coverage area of the synchronizing signal, improve synchronization accuracy.
UE1-UE3 sends synchronizing channel in the corresponding synchronizing channel resource of synchronizing signal resource.Synchronizing signal resource with
The correspondence of synchronizing channel resource is as shown in figure 5, the synchronizing signal of each UE occupies 2 OFDM symbols, corresponding 6 synchronous letters
Road resource（Occupy other OFDM symbols with subframe）, each 1 PRB of synchronizing channel resource occupation.Each UE is respectively from multiple
Synchronizing channel resource is randomly choosed in synchronizing channel resource for sending synchronizing channel, it is assumed that three UE have selected the respectively
2nd, 3,4 synchronizing channel resources.
UE4 detects synchronizing signal on 72 subcarriers among bandwidth, after UE4 detects synchronizing signal, believes synchronous
Subframe detects synchronizing channel in other OFDM symbols in addition to OFDM symbol where synchronizing signal where number.Each synchronizing signal pair
6 synchronizing channel resources are answered, UE4 is needed in each synchronizing channel resource（Occupy 1PRB）On, according to the synchronizing channel of agreement
Message length detects whether that there are synchronizing channels respectively.
Technical solution provided in an embodiment of the present invention is suitable for various D2D scenes.
Based on the same inventive concept of method, the embodiment of the present invention provides a kind of UE, as shown in fig. 6, including：
Synchronizing signal transmitting element 601, for sending synchronizing signal in synchronizing signal resource；
Synchronizing channel resource determination unit 602, for the correspondence according to synchronizing signal resource and synchronizing channel resource,
A synchronizing channel resource is selected from the corresponding multiple synchronizing channel resources of synchronizing signal resource；
Synchronizing channel transmitting element 603, for sending synchronizing channel in the synchronizing channel resource of selection.
Technical solution provided in an embodiment of the present invention, synchronizing signal resource correspond to multiple synchronizing channel resources, and UE is therefrom selected
It selects a synchronizing channel resource and sends synchronizing channel so that different UE can send synchronous letter in different synchronizing channel resources
Road, so as to avoid interfering with each other between synchronizing channel.In addition, in the embodiment of the present invention, synchronizing signal resource and synchronizing channel
The correspondence of resource predefines, and can reach drop while synchronizing signal reliability is ensured with the resource overhead of very little
The purpose interfered between the different synchronizing channels of low synchronous transfer.
Preferably, synchronizing signal resource is the physical resource made an appointment；Alternatively, synchronizing signal resource is according to reference to same
Step source sends the physical resource that the physical resource used in synchronizing signal determines.
On this basis, UE provided in an embodiment of the present invention can also include synchronizing signal resource determination unit 602, use
In：
The physical resource subsequently sent used in synchronizing signal with reference to synchronisation source is determined as synchronizing signal resource；Alternatively,
The time-domain resource initial position of physical resource according to used in sending synchronizing signal with reference to synchronisation source determines synchronous letter
The time-domain resource initial position of number resource, and determine week of the period of synchronizing signal resource with sending synchronizing signal with reference to synchronisation source
Phase is identical.
Based on above-mentioned arbitrary UE embodiments, preferably, synchronizing channel resource determination unit 602 is specifically used for：
According to the interference information measured in obtained each synchronizing channel resource, a synchronizing channel resource is selected；Alternatively,
A synchronizing channel resource is randomly choosed from the corresponding multiple synchronizing channel resources of synchronizing signal resource.
Based on above-mentioned arbitrary UE embodiments, preferably, synchronizing signal resource and the correspondence of synchronizing channel resource include：
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, but occupy the different OFDM symbols of same subframe
Number；Alternatively,
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, and the son that the physical resource of synchronizing signal occupies
The subframe of frame and synchronizing channel resource occupation has fixed correspondence；Alternatively,
The synchronizing signal resource subframe identical with synchronizing channel resource occupation, but occupy different bandwidth.
Based on the same inventive concept of method, the embodiment of the present invention also provides a kind of UE, including processor and radio frequency list
Member：
The radio frequency unit is configured as, and synchronizing signal is sent in synchronizing signal resource；
The processor is configured as, according to the correspondence of synchronizing signal resource and synchronizing channel resource, from synchronizing signal
A synchronizing channel resource is selected in the corresponding multiple synchronizing channel resources of resource；
The radio frequency unit is additionally configured to, and synchronizing channel is sent in the synchronizing channel resource of selection.
Technical solution provided in an embodiment of the present invention, synchronizing signal resource correspond to multiple synchronizing channel resources, and UE is therefrom selected
It selects a synchronizing channel resource and sends synchronizing channel so that different UE can send synchronous letter in different synchronizing channel resources
Road, so as to avoid interfering with each other between synchronizing channel.In addition, in the embodiment of the present invention, synchronizing signal resource and synchronizing channel
The correspondence of resource predefines, and can reach drop while synchronizing signal reliability is ensured with the resource overhead of very little
The purpose interfered between the different synchronizing channels of low synchronous transfer.
Based on the same inventive concept of method, the embodiment of the present invention provides a kind of user equipment, as shown in fig. 7, comprises：
Synchronous signal detection unit 701, for detecting synchronizing signal in synchronizing signal resource；
Synchronizing channel detection unit 702, for after synchronous signal detection unit detects synchronizing signal, being believed according to synchronous
The correspondence of number resource and synchronizing channel resource is detected in the corresponding each synchronizing channel resource of synchronizing signal resource and is synchronized
Channel.
Technical solution provided in an embodiment of the present invention, synchronizing signal resource correspond to multiple synchronizing channel resources, each transmission
End UE can send synchronizing channel in different synchronizing channel resources, and receiving terminal UE is detected not in different synchronizing channel resources
With the synchronizing channel that transmitting terminal UE is sent, so as to avoid interfering with each other between synchronizing channel.In addition, in the embodiment of the present invention,
Synchronizing signal resource and the correspondence of synchronizing channel resource predefine, can while synchronizing signal reliability is ensured,
Achieve the purpose that interfere between the different synchronizing channels of reduction synchronous transfer with the resource overhead of very little.
Preferably, UE provided in an embodiment of the present invention further includes D2D signal transmission units, it is single for being detected in synchronizing channel
After member detects synchronizing channel, from synchronizing channel obtain D2D resource allocation informations, according to D2D resource allocation informations send or
Person receives D2D signals.
Preferably, UE provided in an embodiment of the present invention further includes synchronous reference determination unit, for being detected in synchronizing channel
After unit detects synchronizing channel, synchronous source information is obtained from the synchronizing channel, is determined together according to the synchronous source information
Step reference.
Based on above-mentioned any means embodiment, preferably, synchronizing signal resource is the physical resource made an appointment；Alternatively,
Synchronizing signal resource is the physical resource that the physical resource according to used in sending synchronizing signal with reference to synchronisation source determines.
On this basis, UE provided in an embodiment of the present invention further includes synchronizing signal resource determination unit, is used for：
The physical resource subsequently sent used in synchronizing signal with reference to synchronisation source is determined as synchronizing signal resource；Alternatively,
The time-domain resource initial position of physical resource according to used in sending synchronizing signal with reference to synchronisation source determines synchronous letter
The time-domain resource initial position of number resource, and determine week of the period of synchronizing signal resource with sending synchronizing signal with reference to synchronisation source
Phase is identical.
Based on above-mentioned arbitrary UE embodiments, preferably, synchronizing signal resource and the correspondence of synchronizing channel resource include：
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, but occupy the different OFDM symbols of same subframe
Number；Alternatively,
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, and the son that the physical resource of synchronizing signal occupies
The subframe of frame and synchronizing channel resource occupation has fixed correspondence；Alternatively,
The synchronizing signal resource subframe identical with synchronizing channel resource occupation, but occupy different bandwidth.
Based on the same inventive concept of method, the embodiment of the present invention also provides a kind of user equipment, including radio frequency unit
And processor.
The processor is configured as, and control radio frequency unit detects synchronizing signal in synchronizing signal resource；In radio frequency unit
After detecting synchronizing signal, according to the correspondence of synchronizing signal resource and synchronizing channel resource, control radio frequency unit is in synchronization
Synchronizing channel is detected in the corresponding each synchronizing channel resource of signal resource.
Technical solution provided in an embodiment of the present invention, synchronizing signal resource correspond to multiple synchronizing channel resources, each transmission
End UE can send synchronizing channel in different synchronizing channel resources, and receiving terminal UE is detected not in different synchronizing channel resources
With the synchronizing channel that transmitting terminal UE is sent, so as to avoid interfering with each other between synchronizing channel.In addition, in the embodiment of the present invention,
Synchronizing signal resource and the correspondence of synchronizing channel resource predefine, can while synchronizing signal reliability is ensured,
Achieve the purpose that interfere between the different synchronizing channels of reduction synchronous transfer with the resource overhead of very little.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware can be used in the present invention
Apply the form of example.Moreover, the computer for wherein including computer usable program code in one or more can be used in the present invention
Usable storage medium（Including but not limited to magnetic disk storage, CD-ROM, optical memory etc.）The computer program production of upper implementation
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, equipment（System）And the flow of computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
The processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices is generated for real
The device of function specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps are performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then additional changes and modifications may be made to these embodiments.So appended claims be intended to be construed to include it is excellent
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (20)
1. a kind of sending method of synchronizing information, which is characterized in that including：
User equipment sends synchronizing signal in synchronizing signal resource；
The user equipment is according to the correspondence of synchronizing signal resource and synchronizing channel resource, from the synchronizing signal resource pair
A synchronizing channel resource is selected in the multiple synchronizing channel resources answered；
The user equipment sends synchronizing channel in the synchronizing channel resource of selection.
2. according to the method described in claim 1, it is characterized in that, the synchronizing signal resource is the physics money made an appointment
Source；Alternatively, the synchronizing signal resource is the physics that the physical resource according to used in sending synchronizing signal with reference to synchronisation source determines
Resource.
3. according to the method described in claim 2, it is characterized in that, according to reference to the physics used in synchronisation source transmission synchronizing signal
Resource determines that the mode of synchronizing signal resource includes：
The user equipment by it is described with reference to synchronisation source subsequently send synchronizing signal used in physical resource be determined as the synchronization
Signal resource；Alternatively,
The user equipment is according to the time-domain resource start bit of the physical resource with reference to used in synchronisation source transmission synchronizing signal
The time-domain resource initial position of the determining synchronizing signal resource is put, and determines the period of the synchronizing signal resource and the ginseng
The cycle phase for examining synchronisation source transmission synchronizing signal is same.
4. according to claims 1 to 3 any one of them method, which is characterized in that corresponding more from the synchronizing signal resource
A synchronizing channel resource is selected in a synchronizing channel resource, including：
According to the interference information measured in obtained each synchronizing channel resource, a synchronizing channel resource is selected；Alternatively,
A synchronizing channel resource is randomly choosed from the corresponding multiple synchronizing channel resources of the synchronizing signal resource.
5. according to claims 1 to 3 any one of them method, which is characterized in that synchronizing signal resource and synchronizing channel resource
Correspondence include：
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, but occupy the different OFDM symbols of same subframe；Or
Person,
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, and synchronizing signal physical resource occupy subframe with
The subframe of synchronizing channel resource occupation has fixed correspondence；Alternatively,
The synchronizing signal resource subframe identical with synchronizing channel resource occupation, but occupy different bandwidth.
6. a kind of detection method of synchronizing information, which is characterized in that including：
User equipment detects synchronizing signal in synchronizing signal resource；
After detecting synchronizing signal, the user equipment according to the correspondence of synchronizing signal resource and synchronizing channel resource,
Synchronizing channel is detected in the corresponding each synchronizing channel resource of the synchronizing signal resource.
7. according to the method described in claim 6, it is characterized in that, after detecting synchronizing channel, this method further includes：
D2D resource allocation informations are obtained from the synchronizing channel, is sent or received according to the D2D resource allocation informations
D2D signals；Alternatively,
Synchronous source information is obtained from the synchronizing channel, synchronous reference is determined according to the synchronous source information.
8. according to the method described in claim 6, it is characterized in that, the synchronizing signal resource is the physics money made an appointment
Source；Alternatively, the synchronizing signal resource is the physics that the physical resource according to used in sending synchronizing signal with reference to synchronisation source determines
Resource.
9. according to the method described in claim 8, it is characterized in that, according to reference to the physics used in synchronisation source transmission synchronizing signal
Resource determines that the mode of synchronizing signal resource includes：
The user equipment by it is described with reference to synchronisation source subsequently send synchronizing signal used in physical resource be determined as the synchronization
Signal resource；Alternatively,
The user equipment is according to the time-domain resource start bit of the physical resource with reference to used in synchronisation source transmission synchronizing signal
The time-domain resource initial position of the determining synchronizing signal resource is put, and determines the period of the synchronizing signal resource and the ginseng
The cycle phase for examining synchronisation source transmission synchronizing signal is same.
10. according to claim 6~8 any one of them method, which is characterized in that synchronizing signal resource and synchronizing channel resource
Correspondence include：
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, but occupy the different OFDM symbols of same subframe；Or
Person,
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, and synchronizing signal physical resource occupy subframe with
The subframe of synchronizing channel resource occupation has fixed correspondence；Alternatively,
The synchronizing signal resource subframe identical with synchronizing channel resource occupation, but occupy different bandwidth.
11. a kind of user equipment, which is characterized in that including：
Synchronizing signal transmitting element, for sending synchronizing signal in synchronizing signal resource；
Synchronizing channel resource determination unit, for the correspondence according to synchronizing signal resource and synchronizing channel resource, from described
A synchronizing channel resource is selected in the corresponding multiple synchronizing channel resources of synchronizing signal resource；
Synchronizing channel transmitting element, for sending synchronizing channel in the synchronizing channel resource of selection.
12. user equipment according to claim 11, which is characterized in that the synchronizing signal resource is the object made an appointment
Manage resource；Alternatively, the synchronizing signal resource is to be determined according to reference to the physical resource used in synchronisation source transmission synchronizing signal
Physical resource.
13. user equipment according to claim 12, which is characterized in that further include synchronizing signal resource determination unit, use
In：
By it is described with reference to synchronisation source subsequently send synchronizing signal used in physical resource be determined as the synchronizing signal resource；Or
Person,
It is determined according to the time-domain resource initial position of the physical resource with reference to used in synchronisation source transmission synchronizing signal described same
The time-domain resource initial position of signal resource is walked, and determines that the period of the synchronizing signal resource sends with described with reference to synchronisation source
The cycle phase of synchronizing signal is same.
14. according to claim 11~13 any one of them user equipment, which is characterized in that synchronizing channel resource determination unit
It is specifically used for：
According to the interference information measured in obtained each synchronizing channel resource, a synchronizing channel resource is selected；Alternatively,
A synchronizing channel resource is randomly choosed from the corresponding multiple synchronizing channel resources of the synchronizing signal resource.
15. according to claim 11~13 any one of them user equipment, which is characterized in that synchronizing signal resource and synchronous letter
The correspondence of road resource includes：
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, but occupy the different OFDM symbols of same subframe；Or
Person,
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, and synchronizing signal physical resource occupy subframe with
The subframe of synchronizing channel resource occupation has fixed correspondence；Alternatively,
The synchronizing signal resource subframe identical with synchronizing channel resource occupation, but occupy different bandwidth.
16. a kind of user equipment, which is characterized in that including：
Synchronous signal detection unit, for detecting synchronizing signal in synchronizing signal resource；
Synchronizing channel detection unit, for after the synchronous signal detection unit detects synchronizing signal, according to synchronizing signal
The correspondence of resource and synchronizing channel resource detects same in the corresponding each synchronizing channel resource of the synchronizing signal resource
Walk channel.
17. user equipment according to claim 16, which is characterized in that D2D signal transmission units are further included, in institute
It states after synchronizing channel detection unit detects synchronizing channel, D2D resource allocation informations is obtained from the synchronizing channel, according to institute
It states D2D resource allocation informations and sends or receive D2D signals；Alternatively,
Synchronous reference determination unit is further included, for after the synchronizing channel detection unit detects synchronizing channel, from described
Synchronous source information is obtained in synchronizing channel, synchronous reference is determined according to the synchronous source information.
18. user equipment according to claim 16, which is characterized in that the synchronizing signal resource is the object made an appointment
Manage resource；Alternatively, the synchronizing signal resource is to be determined according to reference to the physical resource used in synchronisation source transmission synchronizing signal
Physical resource.
19. user equipment according to claim 18, which is characterized in that further include synchronizing signal resource determination unit, use
In：
By it is described with reference to synchronisation source subsequently send synchronizing signal used in physical resource be determined as the synchronizing signal resource；Or
Person,
It is determined according to the time-domain resource initial position of the physical resource with reference to used in synchronisation source transmission synchronizing signal described same
The time-domain resource initial position of signal resource is walked, and determines that the period of the synchronizing signal resource sends with described with reference to synchronisation source
The cycle phase of synchronizing signal is same.
20. according to claim 16~18 any one of them user equipment, which is characterized in that synchronizing signal resource and synchronous letter
The correspondence of road resource includes：
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, but occupy the different OFDM symbols of same subframe；Or
Person,
The synchronizing signal resource bandwidth identical with synchronizing channel resource occupation, and synchronizing signal physical resource occupy subframe with
The subframe of synchronizing channel resource occupation has fixed correspondence；Alternatively,
The synchronizing signal resource subframe identical with synchronizing channel resource occupation, but occupy different bandwidth.
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| CN106488381B (en) * | 2015-08-26 | 2019-08-23 | 北京信威通信技术股份有限公司 | A kind of synchronous method in D2D communication |
| CN107925976B (en) * | 2015-09-01 | 2021-09-21 | 株式会社Ntt都科摩 | User device, radio base station, and radio communication method |
| CN107615836B (en) * | 2015-09-25 | 2020-04-28 | 华为技术有限公司 | Sequence configuration method, subframe generation method, network side equipment and user equipment |
| GB2544120B (en) * | 2015-11-09 | 2021-02-24 | Tcl Communication Ltd | Systems and methods for measuring signals |
| CN108737309B (en) * | 2017-04-20 | 2020-10-16 | ***通信有限公司研究院 | Synchronization method and device applied to 5G system |
| CN108809551B (en) * | 2017-04-27 | 2021-09-07 | 华为技术有限公司 | Method and equipment for sending synchronization signal |
| CN114828249A (en) * | 2018-10-22 | 2022-07-29 | 上海朗帛通信技术有限公司 | Method and apparatus in a node used for wireless communication |
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Effective date of registration: 20210602 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |