CN104144501B - D2D has found signal resource configuration method, system and relevant apparatus - Google Patents
D2D has found signal resource configuration method, system and relevant apparatus Download PDFInfo
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Abstract
The invention discloses a kind of D2D discovery signal resource configuration method, system and relevant apparatus, D2D equipment receives system broadcast message, public D2D discovery signal resource configuration information is carried, the public D2D discovery signal resource configuration information includes: D2D discovery period and public D2D discovery signal resource set；The D2D equipment finds signal resource configuration information according to the public D2D, and detection D2D has found signal on corresponding public D2D discovery signal resource.Using the present invention, base station can adjust the quantity and distribution of D2D discovery signal resource according to Network status and/or terminal device situation, to resource occupation and interference of the strict control D2D discovery signal to cellular network while ensureing D2D equipment discovery efficiency, and, signal resource configuration is found by D2D, it can be avoided while initiating to occur not finding the mutual blind situation of other side between multiple D2D equipment that D2D has found, promote user's impression.
Description
Technical field
The present invention relates to mobile communication field more particularly to a kind of D2D discovery signal resource configuration methods, system and correlation
Device.
Background technique
Device-to-Device (D2D) technology is a kind of two or more radio communication terminals for short distance
Between the new technique that is mutually found, communicated.Fig. 1 is D2D technical application schematic diagram of a scenario, as shown in Figure 1, D2D technology can
To be applied to have the scene of the network coverage, without in network coverage scene or half network coverage scene.
D2D technology can be divided into D2D discovery technique and the D2D communication technology again, wherein D2D discovery technique can support one
D2D equipment detects the presence of other D2D equipment in short range and identifies its identity information；The D2D communication technology can be with
Support to carry out the data exchange for the diversified forms such as voice communication or multimedia messages are shared between the D2D equipment of short distance.
A kind of mainstream implementation of D2D discovery technique is to send D2D discovery signal by being found end D2D equipment, by sending out
Now end D2D discovering device finds signal to detect D2D, to realize that discovery end D2D equipment is found to hold to short distance around
The discovery of D2D equipment.
For the D2D discovery technique under long term evolution (Long Term Evolution, LTE) network coverage, can rely on
The centralized control and management of traditional network reduces D2D discovery procedure to the interference of LTE cellular network communication and influence, and energy
So that D2D discovery procedure is realized higher efficiency and more reliable effect, promotes user's impression.
And the efficiency of D2D discovery procedure and the technical indicator of effect are measured, it mainly include discovery time, discovery quantity and hair
Ready-made power, in order to meet above-mentioned performance indicator, it usually needs the send opportunity for increasing D2D discovery signal shortens D2D discovery letter
Number sending cycle, carry out D2D discovery signals to achieve the purpose that carry a large amount of D2D equipment in a short time and send, but
A large amount of radio resource can be undoubtedly occupied again in this way, great expense incurred is brought and shadow is caused to the cellular transmission in region
It rings.In addition, the transmission for also resulting in D2D discovery signal in this way is concentrated very much, when a D2D equipment is carrying out the transmission of D2D signal
When, it is likely that the detection to other D2D discovery signal can be missed, causes to omit.
Summary of the invention
In view of this, the main purpose of the present invention is to provide a kind of D2D discovery signal resource configuration method, system and phases
Device is closed, wireless resource utility efficiency is can be improved, saves expense, D2D discovery signal is avoided to omit.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of D2D discovery signal resource configuration method, comprising:
D2D equipment receives system broadcast message, and the system broadcast message carries public D2D discovery signal resource and matches confidence
Breath, the public D2D discovery signal resource configuration information include: D2D discovery period and public D2D discovery signal resource set；
The D2D equipment finds signal resource configuration information according to the public D2D, in corresponding public D2D discovery letter
Detection D2D has found signal in number resource.
The time domain length of not less than one D2D discovery signal of the D2D discovery period, is the integral multiple of 1ms, and be
The common factor of 10240ms.
The public D2D discovery signal resource configuration information specifically includes: resource in public D2D discovery signal resource set
Quantity, and/or, the time domain of resource and/or the position of frequency domain and/or code domain in the public D2D discovery signal resource set.
The public D2D discovery signal resource configuration information further includes the first instruction information, and the first instruction information refers to
Show that the quantity of resource that public D2D discovery signal resource is concentrated in the different D2D discovery period is identical, time domain and/or frequency domain and/
Or the position of code domain is identical or different.
The D2D equipment finds signal resource configuration information according to the public D2D, in corresponding public D2D discovery letter
Detection D2D has found signal in number resource are as follows:
In the different D2D discovery period, carried according to default configuration and/or public D2D discovery signal resource configuration information
Jump rule, carry out the position hopping of time domain and/or frequency domain and/or code domain, find signal resource in after the jump public D2D
Upper detection D2D has found signal.
This method further include:
The D2D equipment receives the dedicated D2D from base station and finds signal resource configuration information, the dedicated D2D discovery
Signal resource configuration information includes: the validity period of dedicated D2D discovery signal resource or resource collection and D2D discovery signal,
In, the dedicated D2D has found signal resource or resource collection is the subset in the public D2D discovery signal resource set；
The D2D equipment finds signal resource configuration information according to the dedicated D2D, in corresponding dedicated D2D discovery letter
D2D is sent in number resource finds signal.
The dedicated D2D discovery signal resource configuration information specifically includes: dedicated D2D discovery signal resource or resource collection
The quantity of middle resource, and/or, in the dedicated D2D discovery signal resource or resource collection the time domain of resource and/or frequency domain and/
Or the position of code domain.
The validity period of the D2D discovery signal is the integral multiple that D2D has found the period.
Dedicated D2D discovery signal resource configuration information further includes second indication information, and the second indication information instruction exists
Resource quantity in the validity period of the D2D discovery signal, in each D2D discovery period for D2D discovery signal transmission
It is identical, the time domain of the resource sent for D2D discovery signal the and/or position of frequency domain and/or code domain is identical or not phase
Together.
The D2D equipment finds signal resource configuration information according to the dedicated D2D, in corresponding dedicated D2D discovery letter
D2D is sent in number resource finds signal are as follows:
In each D2D discovery period in the validity period of D2D discovery signal, according to default configuration and/or dedicated
D2D has found the jump rule that signal resource configuration information carries, and carries out the position hopping of time domain and/or frequency domain and/or code domain,
D2D, which is sent, on after the jump dedicated D2D discovery signal resource finds signal.
A kind of D2D discovery signal resource configuration method, comprising:
Base station transmission system broadcast message, the system broadcast message carry public D2D and find signal resource configuration information,
The public D2D discovery signal resource configuration information includes: D2D discovery period and public D2D discovery signal resource set.
The public D2D discovery signal resource configuration information specifically includes: resource in public D2D discovery signal resource set
Quantity, and/or, the time domain of resource and/or the position of frequency domain and/or code domain in the public D2D discovery signal resource set.
The public D2D discovery signal resource configuration information further includes the first instruction information, and the first instruction information refers to
Show that the quantity of resource that public D2D discovery signal resource is concentrated in the different D2D discovery period is identical, time domain and/or frequency domain and/
Or the position of code domain is identical or different.
This method further include:
Base station sends dedicated D2D to D2D equipment and finds that signal resource configuration information, the dedicated D2D find signal resource
Configuration information includes: the validity period of dedicated D2D discovery signal resource or resource collection and D2D discovery signal, wherein described
Dedicated D2D discovery signal resource or resource collection are the subsets in the public D2D discovery signal resource set.
The dedicated D2D discovery signal resource configuration information specifically includes: dedicated D2D discovery signal resource or resource collection
The quantity of middle resource, and/or, in the dedicated D2D discovery signal resource or resource collection the time domain of resource and/or frequency domain and/
Or the position of code domain.
The dedicated D2D discovery signal resource configuration information further includes second indication information, and the second indication information refers to
Show within the validity period of D2D discovery signal, the resource sent in each D2D discovery period for D2D discovery signal
Quantity is identical, the time domain of the resource sent for D2D discovery signal and/or the position of frequency domain and/or code domain it is identical or
It is not identical.
A kind of D2D equipment, comprising: the first receiving module and detection module；Wherein,
First receiving module, for receiving system broadcast message, the system broadcast message carries public D2D discovery
Signal resource configuration information, the public D2D discovery signal resource configuration information includes: D2D discovery period and public D2D discovery
Signal resource set；
The detection module, for finding signal resource configuration information according to the public D2D, in corresponding public D2D
It was found that detecting D2D on signal resource finds signal.
The received public D2D discovery signal resource configuration information of first receiving module specifically includes: public D2D discovery
The quantity of resource in signal resource set, and/or, the time domain and/or frequency of resource in the public D2D discovery signal resource set
Domain and/or the position of code domain.
The received public D2D discovery signal resource configuration information of first receiving module further includes the first instruction information,
The resource that the first instruction information indicates that public D2D discovery signal resource is concentrated finds the quantity phase in the period in different D2D
Together, the position of time domain and/or frequency domain and/or code domain is identical or different.
The D2D equipment further includes the first jump module,
The first jump module, for matching confidence according to the received public D2D discovery signal resource of the first receiving module
Breath, in the different D2D discovery period, according to default configuration and/or the jump of public D2D discovery signal resource configuration information carrying
Rule carries out the position hopping of time domain and/or frequency domain and/or code domain,
The detection module is specifically used on the after the jump public D2D discovery signal resource of the first jump module
It detects D2D and finds signal.
The D2D equipment further include: the second receiving module and sending module；Wherein,
Second receiving module finds signal resource configuration information for the dedicated D2D received from base station, described dedicated
D2D discovery signal resource configuration information includes: that dedicated D2D discovery signal resource or resource collection and D2D have found having for signal
The effect phase, wherein the dedicated D2D has found signal resource or resource collection is in the public D2D discovery signal resource set
Subset；
The sending module, for finding signal resource configuration information according to the dedicated D2D, in corresponding dedicated D2D
It was found that sending D2D on signal resource finds signal.
The received dedicated D2D discovery signal resource configuration information of second receiving module specifically includes: dedicated D2D discovery
The quantity of resource in signal resource or resource collection, and/or, resource in the dedicated D2D discovery signal resource or resource collection
Time domain and/or frequency domain and/or code domain position.
The received dedicated D2D discovery signal resource configuration information of second receiving module further includes second indication information,
The second indication information instruction is used for the D2D in each D2D discovery period within the validity period of D2D discovery signal
It was found that signal send resource quantity it is identical, for the D2D discovery signal send resource time domain and/or frequency domain and/or
The position of code domain is identical or not identical.
The D2D equipment further includes the second jump module,
The second jump module, for matching confidence according to the received dedicated D2D discovery signal resource of the second receiving module
Breath is sent out in each D2D discovery period in the validity period of D2D discovery signal according to default configuration and/or dedicated D2D
The jump rule that existing signal resource configuration information carries, carries out the position hopping of time domain and/or frequency domain and/or code domain,
The sending module is specifically used on the after the jump dedicated D2D discovery signal resource of the second jump module
It sends D2D and finds signal.
A kind of base station, comprising: the first sending module；Wherein,
First sending module, for sending system broadcast message, the system broadcast message carries public D2D discovery
Signal resource configuration information, the public D2D discovery signal resource configuration information includes: D2D discovery period and public D2D discovery
Signal resource set.
The base station further includes the second sending module,
Second sending module finds signal resource configuration information for sending dedicated D2D to D2D equipment, described special
It include: dedicated D2D discovery signal resource or resource collection and D2D discovery signal with D2D discovery signal resource configuration information
Validity period, wherein the dedicated D2D has found signal resource or resource collection is in the public D2D discovery signal resource set
Subset.
A kind of D2D discovery signal resource configuration system, comprising: D2D equipment and base station, wherein
The D2D equipment is above-mentioned D2D equipment；
The base station is above-mentioned base station.
D2D discovery signal resource configuration method, system and relevant apparatus of the present invention, D2D equipment reception system broadcast message,
The system broadcast message carries public D2D and finds that signal resource configuration information, the public D2D discovery signal resource match confidence
Breath includes: D2D discovery period and public D2D discovery signal resource set；The D2D equipment is according to the public D2D discovery letter
Number resource allocation information, detection D2D has found signal on corresponding public D2D discovery signal resource.Using the embodiment of the present invention
The scheme, base station can adjust the quantity of D2D discovery signal resource and be divided according to Network status and/or terminal device situation
Cloth, so that strict control D2D has found signal to the resource occupation of cellular network and does while ensureing D2D equipment discovery efficiency
It disturbs, also, signal resource configuration is found by D2D, can be avoided while initiating to occur between multiple D2D equipment that D2D has found
It can not find the mutual blind situation of other side, promote user's impression.
Detailed description of the invention
Fig. 1 is D2D technical application schematic diagram of a scenario；
Fig. 2 is that D2D described in one embodiment of the invention has found signal resource configuration method flow diagram；
Fig. 3 is that D2D described in another embodiment of the present invention has found signal resource configuration method flow diagram；
Fig. 4 is D2D device structure schematic diagram described in one embodiment of the invention；
Fig. 5 is D2D device structure schematic diagram described in another embodiment of the present invention；
Fig. 6 is D2D device structure schematic diagram described in yet another embodiment of the invention；
Fig. 7 is D2D device structure schematic diagram described in yet another embodiment of the invention；
Fig. 8 is architecture of base station schematic diagram described in one embodiment of the invention；
Fig. 9 is that the public D2D configured in the embodiment of the present invention one has found the position view of signal resource；
Figure 10 is to be found the end D2D obtained of D2D equipment 1 in the embodiment of the present invention one to find signal resource schematic diagram；
Figure 11 is that the public D2D configured in the embodiment of the present invention two has found the position view of signal resource；
Figure 12 is to be found end D2D equipment 1 in the embodiment of the present invention two and be found to hold the D2D obtained of D2D equipment 2 hair
Existing signal resource schematic diagram；
Figure 13 is that the public D2D configured in the embodiment of the present invention three has found the position view of signal resource；
Figure 14 is to be found end D2D equipment 1 in the embodiment of the present invention three and be found to hold the D2D obtained of D2D equipment 2 hair
Existing signal resource schematic diagram；
Figure 15 is that the public D2D configured in the embodiment of the present invention four has found the position view of signal resource；
Figure 16 is to be found end D2D equipment 1 in the embodiment of the present invention four, be found end D2D equipment 2 and be found to hold to set
Standby 3 D2D obtained has found signal resource schematic diagram.
Specific embodiment
The basic idea of the invention is that: D2D equipment receives system broadcast message, and the system broadcast message carries public
D2D has found signal resource configuration information, and the public D2D discovery signal resource configuration information includes: the D2D discovery period and public
D2D has found signal resource set；The D2D equipment finds signal resource configuration information according to the public D2D, corresponding public
Detection D2D has found signal on total D2D discovery signal resource.
Fig. 2 is the discovery signal resource configuration method flow diagram of D2D described in one embodiment of the invention, as shown in Fig. 2,
This method comprises:
Step 201:D2D equipment receives system broadcast message, and the system broadcast message carries public D2D discovery signal money
Source configuration information, the public D2D discovery signal resource configuration information include: D2D discovery period and public D2D discovery signal money
Source set；
Step 202: the D2D equipment finds signal resource configuration information according to the public D2D, corresponding public
D2D has found that detection D2D has found signal on signal resource.
Optionally, the time domain length of not less than one D2D discovery signal of the D2D discovery period, is the integral multiple of 1ms,
It and is the common factor of 10240ms.
Optionally, the public D2D discovery signal resource configuration information specifically includes: public D2D has found signal resource collection
The quantity of resource in conjunction, and/or, the time domain of resource and/or frequency domain and/or code in the public D2D discovery signal resource set
The position in domain.
Optionally, the public D2D discovery signal resource configuration information further includes the first instruction information, first instruction
Information indicates that the quantity of resource that public D2D discovery signal resource is concentrated in the different D2D discovery period is identical, time domain and/or
The position of frequency domain and/or code domain is identical or different.
Optionally, the D2D equipment finds signal resource configuration information according to the public D2D, in corresponding public D2D
It was found that detecting D2D on signal resource finds signal are as follows:
In the different D2D discovery period, carried according to default configuration and/or public D2D discovery signal resource configuration information
Jump rule, carry out the position hopping of time domain and/or frequency domain and/or code domain, find signal resource in after the jump public D2D
Upper detection D2D has found signal.
Optionally, as shown in figure 3, this method further include:
Step 203: the D2D equipment receives the dedicated D2D from base station and finds signal resource configuration information, described dedicated
D2D discovery signal resource configuration information includes: that dedicated D2D discovery signal resource or resource collection and D2D have found having for signal
The effect phase, wherein the dedicated D2D has found signal resource or resource collection is in the public D2D discovery signal resource set
Subset；
It should be noted that base station can return to dedicated D2D discovery letter to the D2D equipment according to the request of D2D equipment
Number resource allocation information actively can also send dedicated D2D to D2D equipment and find signal resource configuration information.
Step 204: the D2D equipment finds signal resource configuration information according to the dedicated D2D, corresponding dedicated
D2D has found that D2D is sent on signal resource finds signal.
Optionally, the dedicated D2D discovery signal resource configuration information specifically includes: dedicated D2D discovery signal resource or
The quantity of resource in resource collection, and/or, in the dedicated D2D discovery signal resource or resource collection the time domain of resource and/or
The position of frequency domain and/or code domain.
Optionally, the validity period of the D2D discovery signal is the integral multiple that D2D has found the period.
Optionally, dedicated D2D discovery signal resource configuration information further includes second indication information, the second indication information
It indicates within the validity period of D2D discovery signal, the money sent in each D2D discovery period for D2D discovery signal
Source quantity is identical, the time domain of the resource sent for D2D discovery signal and/or the position of frequency domain and/or code domain it is identical or
Person is not identical.
Optionally, the D2D equipment finds signal resource configuration information according to the dedicated D2D, in corresponding dedicated D2D
It was found that sending D2D on signal resource finds signal are as follows:
In each D2D discovery period in the validity period of D2D discovery signal, according to default configuration and/or dedicated
D2D has found the jump rule that signal resource configuration information carries, and carries out the position hopping of time domain and/or frequency domain and/or code domain,
D2D, which is sent, on after the jump dedicated D2D discovery signal resource finds signal.
Optionally, carry out dedicated D2D discovery signal resource configuration, including when dedicated D2D discovery signal resource in frequency domain or
There is the time interval in multiplexing or time domain between adjacent dedicated D2D discovery signal resource in person's code domain and is less than D2D discovering device
Transmitting-receiving Transition Guard interval when, for finding signal with 1 D2D, in 1 D2D discovery period configuration no less than 2 it is dedicated
D2D has found signal resource, or finds that signal configuration is effectively interim for the D2D and find the period comprising no less than 2 D2D.
It should be noted that base station carries out the public D2D discovery signal resource configured in public D2D signal resource configuration
Resource in set other than the resource or resource collection that are configured in dedicated D2D discovery signal resource configuration, can also quilt
System configuration is the purposes found other than signal transmission for D2D.
The embodiment of the present invention also correspondingly proposes a kind of D2D discovery signal resource configuration method, this method comprises:
Base station transmission system broadcast message, the system broadcast message carry public D2D and find signal resource configuration information,
The public D2D discovery signal resource configuration information includes: D2D discovery period and public D2D discovery signal resource set.
Optionally, the public D2D discovery signal resource configuration information specifically includes: public D2D has found signal resource collection
The quantity of resource in conjunction, and/or, the time domain of resource and/or frequency domain and/or code in the public D2D discovery signal resource set
The position in domain.
Optionally, the public D2D discovery signal resource configuration information further includes the first instruction information, first instruction
Information indicates that the quantity of resource that public D2D discovery signal resource is concentrated in the different D2D discovery period is identical, time domain and/or
The position of frequency domain and/or code domain is identical or different.
Optionally, this method further include:
Base station sends dedicated D2D to D2D equipment and finds that signal resource configuration information, the dedicated D2D find signal resource
Configuration information includes: the validity period of dedicated D2D discovery signal resource or resource collection and D2D discovery signal, wherein described
Dedicated D2D discovery signal resource or resource collection are the subsets in the public D2D discovery signal resource set.
Optionally, the dedicated D2D discovery signal resource configuration information specifically includes: dedicated D2D discovery signal resource or
The quantity of resource in resource collection, and/or, in the dedicated D2D discovery signal resource or resource collection the time domain of resource and/or
The position of frequency domain and/or code domain.
Optionally, the dedicated D2D discovery signal resource configuration information further includes second indication information, second instruction
Information instruction is sent in each D2D discovery period for D2D discovery signal within the validity period of D2D discovery signal
Resource quantity it is identical, for the D2D discovery signal send resource time domain and/or frequency domain and/or code domain position phase
With or it is not identical.
The embodiment of the present invention also correspondingly proposes a kind of D2D equipment, as shown in figure 4, the D2D equipment includes: first to connect
Receive module 401 and detection module 402；Wherein,
First receiving module 401, for receiving system broadcast message, the system broadcast message carries public D2D discovery
Signal resource configuration information, the public D2D discovery signal resource configuration information includes: D2D discovery period and public D2D discovery
Signal resource set；
Detection module 402 is sent out for finding signal resource configuration information according to the public D2D in corresponding public D2D
Detection D2D has found signal on existing signal resource.
Optionally, the received public D2D discovery signal resource configuration information of first receiving module specifically includes: public
D2D has found the quantity of resource in signal resource set, and/or, the time domain of resource in the public D2D discovery signal resource set
The position of frequency domain and/or code domain and/or.
Optionally, the received public D2D discovery signal resource configuration information of first receiving module further includes the first finger
Show that information, the resource that the first instruction information indicates that public D2D discovery signal resource is concentrated are found in the period in different D2D
Quantity is identical, and the position of time domain and/or frequency domain and/or code domain is identical or different.
Optionally, as shown in figure 5, the D2D equipment further includes the first jump module 403,
First jump module 403, for according to the received public D2D discovery signal resource configuration of the first receiving module 401
Information, in the different D2D discovery period, according to default configuration and/or the jump of public D2D discovery signal resource configuration information carrying
Become rule, carry out the position hopping of time domain and/or frequency domain and/or code domain,
Detection module 402, specifically for being examined on the after the jump public D2D discovery signal resource of the first jump module
It surveys D2D and finds signal.
Optionally, as shown in fig. 6, the D2D equipment further include: the second receiving module 403 ' and sending module 404 '；Wherein,
Second receiving module 403 ' finds signal resource configuration information for the dedicated D2D received from base station, described dedicated
D2D discovery signal resource configuration information includes: that dedicated D2D discovery signal resource or resource collection and D2D have found having for signal
The effect phase, wherein the dedicated D2D has found signal resource or resource collection is in the public D2D discovery signal resource set
Subset；
Sending module 404 ', for finding signal resource configuration information according to the dedicated D2D, in corresponding dedicated D2D
It was found that sending D2D on signal resource finds signal.
Optionally, the received dedicated D2D discovery signal resource configuration information of the second receiving module 403 ' specifically includes: dedicated
D2D has found the quantity of resource in signal resource or resource collection, and/or, the dedicated D2D discovery signal resource or resource collection
The time domain and/or frequency domain of middle resource and/or the position of code domain.
Optionally, the received dedicated D2D discovery signal resource configuration information of the second receiving module 403 ' further includes the second finger
Show information, the second indication information instruction is used in each D2D discovery period within the validity period of D2D discovery signal
The resource quantity that the D2D discovery signal is sent is identical, the time domain and/or frequency for the resource that D2D discovery signal is sent
Domain and/or the position of code domain are identical or not identical.
Optionally, as shown in fig. 7, the D2D equipment further includes the second jump module 405 ',
Second jump module 405 ', for being matched according to the received dedicated D2D discovery signal resource of the second receiving module 403 '
Confidence breath, in each D2D discovery period in the validity period of D2D discovery signal, according to default configuration and/or dedicated
D2D has found the jump rule that signal resource configuration information carries, and carries out the position hopping of time domain and/or frequency domain and/or code domain,
Sending module 404 ' is specifically used on the after the jump dedicated D2D discovery signal resource of the second jump module 405 '
It sends D2D and finds signal.
The embodiment of the present invention also correspondingly proposes a kind of base station, which includes: the first sending module 801；Wherein,
First sending module 801, for sending system broadcast message, the system broadcast message carries public D2D discovery
Signal resource configuration information, the public D2D discovery signal resource configuration information includes: D2D discovery period and public D2D discovery
Signal resource set.
As shown in figure 8, the base station further includes the second sending module 802；Wherein,
Second sending module 802 finds signal resource configuration information for sending dedicated D2D to D2D equipment, described dedicated
D2D discovery signal resource configuration information includes: that dedicated D2D discovery signal resource or resource collection and D2D have found having for signal
The effect phase, wherein the dedicated D2D has found signal resource or resource collection is in the public D2D discovery signal resource set
Subset.
The embodiment of the present invention also correspondingly proposes a kind of D2D discovery signal resource configuration system, which includes: D2D
Equipment and base station, wherein
The D2D equipment is D2D equipment shown in Fig. 4 to 7 is any；
The base station is base station shown in Fig. 8.
Technical solution of the present invention is described in further detail below by specific embodiment.
D2D discovery signal in D2D technology based on LTE is based on synchronization signal or pilot tone letter in traditional LTE
Number evolution, it is also possible to the signal of brand-new design, thus D2D discovery signal be entirely possible to realize time domain, frequency domain, code domain,
The even multiplexing in airspace.For Unify legislation, in the examples below, 1 D2D discovery signal resource can only carry 1 D2D
It was found that signal, 1 D2D discovery signal can only occupy 1 D2D discovery signal resource.
Embodiment one
In the LTE FDD network that one is supported D2D discovery feature, in current time window, Cellular Networks business load is lower,
And the number of users for initiating the discovery application of D2D equipment is more, and therefore, network considers distribution when carrying out public resource configuration more
Intensive D2D discovery signal resource come improve user in the short time it can be found that D2D equipment quantity, and can't be to honeycomb
The impression of network users influences too much.
D2D involved in the present embodiment has found that period assignment table is as shown in table 1:
| Period assignment index | Cycle length |
| 0 | 5ms |
| 1 | 10ms |
| 2 | 20ms |
| 3 | 40ms |
| 4 | 80ms |
Table 1
Specifically, base station (table 1) in preset D2D discovery period assignment table selects lesser periodic quantity 10ms to be matched
It sets, and corresponding period assignment is indexed to the D2D discovering device in this cell by " 1 " notice by system broadcast message.
Also, in the D2D discovery period, the position of public D2D discovery signal resource is configured as shown in figure 9, specifically, being
System broadcast message carries the time-domain position of D2D discovery signal resource: each slot in each sub-frame of uplink；And frequency domain
Position: it is located at frequency band top in even number slot, is located at frequency band lower part in odd number slot, deviates 6 RB apart from band edge respectively
That is 1.08MHz, and notify to the D2D discovering device in cell.The time domain length of a D2D discovery signal resource is one in this example
A slot, i.e. 0.5ms, frequency domain length are 6 PRB, i.e. 1.08MHZ.
System agreement, in the different D2D discovery periods, D2D has found that signal running time-frequency resource position is identical.
Public D2D discovery signal resource configuration is completed at this time, and the discovery end D2D equipment in cell can be according to above-mentioned configuration
Detection D2D has found signal on public D2D discovery signal resource.
Base station is according to the device type for being found end D2D equipment 1, type of service and application type, for equipment distribution
Transmission of the dedicated D2D discovery signal resource for D2D discovery signal 1, including dedicated D2D discovery signal resource is in one cycle
Resource location be located at slot4 and slot9, and configure D2D discovery signal 1 validity period be 1024 discovery periods i.e.
10240ms is found end D2D equipment 1 by dedicated signaling notice.Then it is found the end D2D obtained of D2D equipment 1 discovery letter
Number resource is as shown in Figure 10.
D2D has found that the dedicated D2D discovery signal resource configuration of signal 1 is completed at this time, and being found end D2D equipment 1 can be
In this cell in designated frequency band and time window, D2D discovery signal 1 continuously is carried out on the D2D discovery signal resource distributed
Transmission, until 10240ms validity period terminates or other reasons cause to stop.
Embodiment two
In the LTE FDD network that one is supported D2D discovery feature, in current time window, Cellular Networks business load is higher,
And the number of users for initiating the discovery application of D2D equipment is less, and therefore, system considers distribution when carrying out public resource configuration more
Signal resource is found for sparse D2D to guarantee the service support for finding user to D2D, and can't be to the sense of cellular network User
It is influenced too much.
The D2D discovery period assignment table that the present embodiment is related to is as shown in table 2:
| Period assignment index | Cycle length |
| 0 | 320ms |
| 1 | 640ms |
| 2 | 1280ms |
Table 2
Specifically, base station (table 2) in preset D2D discovery period assignment table selects longer periodic quantity 640ms to carry out
Configuration, and corresponding period assignment is indexed to the D2D discovering device in this cell by " 1 " notice by system broadcast message.
Also, in each D2D discovery period, the position for configuring public D2D discovery signal resource is as shown in figure 11, specifically
, system broadcast message carries the time-domain position of D2D discovery signal resource: each odd number sub-frame of uplink and frequency domain position: being
The symmetrical two adjacent D2D of band center frequency point of uniting have found signal resource, and above-mentioned configuration notification is found to the D2D in cell
Equipment.The time domain length of a D2D discovery signal resource is a subframe in this example, i.e. 1ms, frequency domain length is 6 PRB, i.e.,
1.08MHZ.In D2D discovery period, the frequency domain index of public D2D discovery signal resource is denoted as k, when Domain Index be denoted as 1.
Since public D2D discovery signal resource has multiplexing in frequency domain, the difference of D2D discovery signal is sent in synchronization
It can not mutually be found between D2D equipment, therefore system is arranged, in the different D2D discovery periods, when dedicated D2D has found signal
Frequency resource location is not identical, and the frequency domain initial position based on its dedicated discovery signal resource is in the adjacent D2D discovery period
It is jumped.It jumps rule are as follows: if finding the period comprising N number of D2D within D2D discovery signal validity period, then n-th
It was found that the D2D has found the frequency domain index of signal resource: k in the period (n=0,1 ..., N)n=(kn-1+ 1) mod2 (n > 0), when
Domain Index: ln=(ln-1+k0) mod320 (n > 0), k0And l0For the initial frequency-domain of the discovery signal and the location index of time domain.
The signal resource configuration of public D2D discovery at this time is completed, and the discovery end D2D equipment in the specified region TA can be with
According to above-mentioned configuration, detection D2D has found signal on public D2D discovery signal resource.
End D2D equipment 1 is found to base station requests dedicated D2D discovery signal resource, base station is according to being found to hold D2D equipment
1 device type, type of service and application type distribute dedicated D2D for the equipment and find signal resource for D2D discovery letter
Number 1 transmission specifically includes the initial time domain index l of dedicated D2D discovery signal resource0=0, frequency domain indexes k0=0, and match
The validity period for setting D2D discovery signal 1 is 64 discovery period i.e. 40960ms, is found end D2D equipment by dedicated signaling notice
1。
End D2D equipment 2 is found to base station requests dedicated D2D discovery signal resource, base station is according to being found to hold D2D equipment
2 device type, type of service and application type distribute dedicated D2D for the equipment and find signal resource for D2D discovery letter
Numbers 2 transmission specifically includes the initial time domain index l of dedicated D2D discovery signal resource0=0, frequency domain indexes k0=1, and match
The validity period for setting D2D discovery signal 2 is 32 discovery period i.e. 20480ms, is found end D2D equipment by dedicated signaling notice
2。
And base station is that the validity period starting point that D2D discovery signal 1 and D2D discovery signal 2 configure is the same discovery period.
It is then found end D2D equipment 1 and is found the end D2D obtained of D2D equipment 2 discovery signal resource such as Figure 12 institute
Show.
D2D has found that the dedicated D2D discovery signal resource configuration of signal 1 and D2D discovery signal 2 is completed at this time, is found to hold
It D2D equipment 1 and is found end D2D equipment 2 and can continuously distributed in the region this TA in designated frequency band and time window
D2D has found the transmission that D2D discovery signal 1 and D2D discovery signal 2 are carried out on signal resource, terminates until respective validity period, or
Person's other reasons cause to stop.
Embodiment three
In the LTE FDD network that one is supported D2D discovery feature, in current time window, Cellular Networks business load is higher,
And the number of users for initiating the discovery application of D2D equipment is less, and therefore, base station considers distribution when carrying out public resource configuration more
Signal resource is found for sparse D2D to guarantee the service support for finding user to D2D, and can't be to the sense of cellular network User
It is influenced too much.
The D2D discovery period assignment table that the present embodiment is related to is as shown in table 3:
| Period assignment index | Cycle length |
| 0 | 320ms |
| 1 | 640ms |
| 2 | 1280ms |
| 3 | 5120ms |
Table 3
Specifically, base station (table 3) in preset D2D discovery period assignment table selects longer periodic quantity 1280ms to carry out
Configuration, and corresponding period assignment is indexed to the D2D discovering device in this cell by " 2 " notice by system broadcast message.
Also, in the D2D discovery period, the position for configuring public D2D discovery signal resource is as shown in figure 13:
System broadcast message carries the time-domain position of D2D discovery signal resource: all 6 D2D in each sub-frame of uplink
It was found that signal resource and unique frequency domain position, be based on frequency range central symmetry between adjacent slot, i.e. in even number slot, D2D hair
Existing signal resource is higher than 3 PRB (540KHz) of band system band center frequency point, and in odd number slot, D2D discovery signal resource is lower than
3 PRB (540KHz) of band system band center frequency point.And by above-mentioned configuration notification to the D2D discovering device in cell.One in this example
The time domain length of a D2D discovery signal resource is 5120Ts, i.e., about 0.167ms, frequency domain length is 6 PRB, i.e. 1.08MHZ.?
In one D2D discovery period, the when Domain Index of public D2D discovery signal resource in each subframe is denoted as 1.
And system is arranged at this time, and D2D has found that signal uses the form of orthogonal sequence, and the multiplexing of code domain may be implemented, and
And configuring maximum multiplexing number is 64, i.e., on same running time-frequency resource position, there are multiple D2D to find signal resource, for carrying
The transmission of most 64 D2D discovery signals.The code domain index of public D2D discovery signal resource is denoted as c.
Since public D2D discovery signal resource has multiplexing in code domain, the difference of D2D discovery signal is sent in synchronization
It can not mutually be found between D2D equipment, therefore system is arranged, in the different D2D discovery periods, when dedicated D2D has found signal
Domain resource location is not identical, and the code domain initial position based on its dedicated discovery signal resource is in the adjacent D2D discovery period
It is jumped.It jumps rule are as follows: if finding the period comprising N number of D2D within D2D discovery signal validity period, then n-th
It was found that the D2D has found the code domain index of signal resource: c in the period (n=0,1 ..., N)n=c0, wireless where time-domain resource
Frame index are as follows:
Place subframe index are as follows:
Domain Index is when resource in subframe
Wherein c0And l0For the initial code domain of the discovery signal resource and the location index of time domain, S0And M0The respectively hair
The initial subframe and radio frame number of existing signal resource.
Public D2D discovery signal resource configuration is completed at this time, and the discovery end D2D equipment in specified cell can root
According to above-mentioned configuration, detection D2D has found signal on public D2D discovery signal resource.
End D2D equipment 1 is found to base station requests dedicated D2D discovery signal resource, base station is according to being found to hold D2D equipment
1 device type, type of service and application type and remaining capacity distribute dedicated D2D for the equipment and find that signal resource is used
In the transmission of D2D discovery signal 1, first that dedicated D2D discovery signal resource was located in the D2D discovery period is specifically included wirelessly
In first subframe of frame, which finds that signal 1 validity period initial position is radio frames 0, i.e. S0=0, M0=0, and at the beginning of it
Domain Index l when the beginning0=4, code domain indexes c0=0, and configure D2D and find the validity period of signal 1 for 8 discovery periods i.e.
10240ms is found end D2D equipment 1 by dedicated signaling notice.
End D2D equipment 2 is found to base station requests dedicated D2D discovery signal resource, base station is according to being found to hold D2D equipment
2 device type, type of service and application type distribute dedicated D2D for the equipment and find signal resource for D2D discovery letter
Numbers 2 transmission specifically includes first that dedicated D2D discovery signal resource is located at first radio frames that D2D had found in the period
In subframe, which finds that signal 2 validity period initial position is radio frames 128, i.e. S0=0, M0=128, and its initial time domain
Index l0=4, code domain indexes c0=1, and the validity period for configuring D2D discovery signal 2 is 8 discovery period i.e. 10240ms, is led to
It crosses dedicated signaling notice and is found end D2D equipment 2.
It is then found end D2D equipment 1 and is found the end D2D obtained of D2D equipment 2 discovery signal resource such as Figure 14 institute
Show.
D2D has found that the dedicated D2D discovery signal resource configuration of signal 1 and D2D discovery signal 2 is completed at this time, is found to hold
It D2D equipment 1 and is found end D2D equipment 2 and can continuously distributed in this cell in designated frequency band and time window
D2D has found the transmission that D2D discovery signal 1 and D2D discovery signal 2 are carried out on signal resource, terminates until respective validity period, or
Person's other reasons cause to stop.
Example IV
In the LTE TDD network using uplink-downlink configuration 1 that one is supported D2D discovery feature, in current time window, bee
The load of nest network service is higher, and for opposite FDD, available uplink spectrum is also fewer, and initiates the use of D2D equipment discovery application
Amount amount is but relatively more, and therefore, base station considers to distribute extent for multiplexing higher D2D discovery signal when carrying out public resource configuration
Resource come guarantee to D2D find user service support, and simultaneously as far as possible inhibit the impression of cellular network User is influenced too much.
Specifically, configuration D2D discovery cycle length in base station is 40ms, and notified by system broadcast message in this cell
D2D discovering device.
Also, in the D2D discovery period, the position for configuring public D2D discovery signal resource is as shown in figure 15:
System broadcast message carries the time-domain position of public D2D discovery signal resource: last before each special subframe
One sub-frame of uplink, i.e., subframe 3 and subframe 8 in this example, and 2 frequency domain positions in total, it is non-Wei Yu not band system band distance
Each 12 PRB of lower edges, the i.e. position 2.16MHz.And by above-mentioned configuration notification to the D2D discovering device in cell.In this example,
The time domain length of one D2D discovery signal resource is a subframe, i.e. 1ms, frequency domain length is 6 PRB, i.e. 1.08MHZ.One
In a D2D discovery period, the when Domain Index of public D2D discovery signal resource in each subframe is denoted as 1, and frequency domain index is denoted as k.
And base station also configures at this time, and D2D has found that signal uses the form of orthogonal sequence, realizes the multiplexing of code domain, and
Configuring maximum multiplexing number is 3, i.e., on same running time-frequency resource position, there are multiple D2D to find signal resource, for carrying at most
The transmission of 3 D2D discovery signals.The code domain index of public D2D discovery signal resource is denoted as c.
Since public D2D discovery signal resource has multiplexing in code domain and frequency domain, the different code domain or frequency in synchronization
It can not mutually be found between the different D2D equipment of domain transmission D2D discovery signal, therefore system is arranged, find week in different D2D
Interim, dedicated D2D discovery signal time-domain resource position is not identical, and the code domain initial position based on its dedicated discovery signal resource
It is jumped in the adjacent D2D discovery period.It jumps rule are as follows: if including N within a D2D discovery signal validity period
A D2D has found the period, then (n=0,1 ..., N) in n-th of discovery period, which finds the code domain index of signal resource: cn
=c0, the frequency domain index k of the discovery signal resourcen=k0, iting is found that the when Domain Index in the period is ln=(ln-1+k0×3+c0)
Mod8, wherein c0, k0And l0For the initial code domain of the discovery signal resource, the location index of frequency domain and time domain.
Public D2D discovery signal resource configuration is completed at this time, and the discovery end D2D equipment in specified cell can root
According to above-mentioned configuration, detection D2D has found signal on public D2D discovery signal resource.
End D2D equipment 1 is found to base station requests dedicated D2D discovery signal resource, base station is according to being found to hold D2D equipment
1 device type, type of service and application type and remaining capacity distribute dedicated D2D for the equipment and find that signal resource is used
In the transmission of D2D discovery signal 1, specifically includes dedicated D2D discovery signal resource and be located at initial time domain index in the D2D discovery period
l0=0, frequency domain indexes k0=0 code domain indexes c0=0, and configure D2D and find the validity period of signal 1 for 2 discovery periods i.e.
80ms is found end D2D equipment 1 by dedicated signaling notice, and validity period initial position, which is about set to, receives dedicated notification letter
The 1st discovery period after order.
End D2D equipment 2 is found to base station requests dedicated D2D discovery signal resource, base station is according to being found to hold D2D equipment
2 device type, type of service and application type distribute dedicated D2D for the equipment and find signal resource for D2D discovery letter
Numbers 2 transmission specifically includes the initial time domain that dedicated D2D discovery signal resource was located in the D2D discovery period and indexes l0=0, frequency
Domain Index k0=0, code domain indexes c0=1, and the validity period for configuring D2D discovery signal 2 is 2 discovery period i.e. 80ms, is passed through
Dedicated signaling notice be found end D2D equipment 2, validity period initial position is about set to receive dedicated notification signaling after the 1st
It was found that the period.
End D2D equipment 3 is found to base station requests dedicated D2D discovery signal resource, base station is according to being found to hold D2D equipment
3 device type, type of service and application type distribute dedicated D2D for the equipment and find signal resource for D2D discovery letter
Numbers 3 transmission specifically includes the initial time domain that dedicated D2D discovery signal resource was located in the D2D discovery period and indexes l0=0, frequency
Domain Index k0=1, code domain indexes c0=0, and the validity period for configuring D2D discovery signal 3 is 2 discovery period i.e. 80ms, is passed through
Dedicated signaling notice be found end D2D equipment 3, validity period initial position is about set to receive dedicated notification signaling after the 1st
It was found that the period.
Since the time of above three D2D equipment application D2D discovery signal resource is close, had according to what agreement obtained
The starting point of effect phase is identical.
It is then found end D2D equipment 1, be found end D2D equipment 2 and is found the D2D obtained of end equipment 3 discovery letter
Number resource is as shown in figure 16.
D2D has found that the dedicated D2D discovery signal resource configuration of signal 1 and D2D discovery signal 2 is completed at this time, is found to hold
D2D equipment 1, be found end D2D equipment 2 and be found end D2D equipment 3 can in this cell designated frequency band and time window
In, D2D discovery signal 1, D2D discovery signal 2 and D2D discovery signal 3 are continuously carried out on the D2D discovery signal resource distributed
Transmission, until respective validity period terminates or other reasons cause to stop.
Based on the discovery of D2D described in embodiment of the present invention signal resource configuration method, system and relevant apparatus, system can be with
The quantity and distribution that D2D discovery signal resource is adjusted according to network and terminal device situation can ensure that D2D equipment finds efficiency
While resource occupation and interference of the strict control to cellular network, and find signal resource in different discoveries by D2D
Period carries out the jump of the positions such as time domain, to avoid occurring not finding between the multiple D2D equipment that ought initiate D2D discovery simultaneously
The mutual blind situation of other side promotes user's impression.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be instructed by program
Related hardware is completed, and described program can store in computer readable storage medium, such as read-only memory, disk or CD
Deng.Optionally, one or more integrated circuits can be used also to realize in all or part of the steps of above-described embodiment.Accordingly
Ground, each module in above-described embodiment can take the form of hardware realization, can also be real using the form of software function module
It is existing.The present invention is not limited to the combinations of the hardware and software of any particular form.
Certainly, the invention may also have other embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and modifications, but these corresponding changes and change in accordance with the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (23)
1. a kind of D2D has found signal resource configuration method, which is characterized in that this method comprises:
D2D equipment receives system broadcast message, and the system broadcast message carries public D2D and finds signal resource configuration information,
The public D2D discovery signal resource configuration information includes: D2D discovery period and public D2D discovery signal resource set；
The D2D equipment finds signal resource configuration information according to the public D2D, in corresponding public D2D discovery signal money
D2D is detected on source finds signal；
The D2D equipment receives the dedicated D2D from base station and finds that signal resource configuration information, the dedicated D2D find signal
Resource allocation information includes: the validity period of dedicated D2D discovery signal resource or resource collection and D2D discovery signal, wherein
The dedicated D2D discovery signal resource or resource collection are the subsets in the public D2D discovery signal resource set；
The D2D equipment finds signal resource configuration information according to the dedicated D2D, in corresponding dedicated D2D discovery signal money
D2D is sent on source finds signal.
2. the method according to claim 1, wherein not less than one D2D of D2D discovery period has found signal
Time domain length, be 1ms integral multiple, and be 10240ms common factor.
3. the method according to claim 1, wherein the public D2D discovery signal resource configuration information is specific
It include: the quantity of resource in public D2D discovery signal resource set, and/or, in the public D2D discovery signal resource set
The time domain and/or frequency domain of resource and/or the position of code domain.
4. the method according to claim 1, wherein the public D2D discovery signal resource configuration information also wraps
The first instruction information is included, the resource that the first instruction information indicates that public D2D discovery signal resource is concentrated is found in different D2D
Quantity in period is identical, and the position of time domain and/or frequency domain and/or code domain is identical or different.
5. according to the method described in claim 4, it is characterized in that, the D2D equipment is provided according to the public D2D discovery signal
Source configuration information, detection D2D has found signal on corresponding public D2D discovery signal resource are as follows:
In the different D2D discovery period, according to default configuration and/or the jump of public D2D discovery signal resource configuration information carrying
Become rule, carry out the position hopping of time domain and/or frequency domain and/or code domain, is examined on after the jump public D2D discovery signal resource
It surveys D2D and finds signal.
6. the method according to claim 1, wherein the dedicated D2D discovery signal resource configuration information is specific
It include: the quantity of resource in dedicated D2D discovery signal resource or resource collection, and/or, the dedicated D2D has found signal resource
Or the position of the time domain of resource and/or frequency domain and/or code domain in resource collection.
7. the method according to claim 1, wherein the validity period of D2D discovery signal is that D2D has found the period
Integral multiple.
8. the method according to claim 1, wherein dedicated D2D discovery signal resource configuration information further includes the
Two instruction information, the second indication information instruction is within the validity period of D2D discovery signal, in each D2D discovery period
For the D2D discovery signal send resource quantity it is identical, for the D2D discovery signal send resource time domain and/
Or the position of frequency domain and/or code domain is identical or not identical.
9. according to the method described in claim 8, it is characterized in that, the D2D equipment is provided according to the dedicated D2D discovery signal
Source configuration information sends D2D on corresponding dedicated D2D discovery signal resource and finds signal are as follows:
In each D2D discovery period in the validity period of D2D discovery signal, sent out according to default configuration and/or dedicated D2D
The jump rule that existing signal resource configuration information carries, carries out the position hopping of time domain and/or frequency domain and/or code domain, is jumping
D2D, which is sent, on dedicated D2D discovery signal resource afterwards finds signal.
10. a kind of D2D has found signal resource configuration method, which is characterized in that this method comprises:
Base station transmission system broadcast message, the system broadcast message carries public D2D and finds signal resource configuration information, described
Public D2D discovery signal resource configuration information includes: D2D discovery period and public D2D discovery signal resource set；
Base station sends dedicated D2D to D2D equipment and finds signal resource configuration information, the dedicated D2D discovery signal resource configuration
Information includes: the validity period of dedicated D2D discovery signal resource or resource collection and D2D discovery signal, wherein described dedicated
D2D discovery signal resource or resource collection are the subsets in the public D2D discovery signal resource set.
11. according to the method described in claim 10, it is characterized in that, the public D2D discovery signal resource configuration information tool
Body includes: the quantity of resource in public D2D discovery signal resource set, and/or, the public D2D has found signal resource set
The time domain and/or frequency domain of middle resource and/or the position of code domain.
12. according to the method described in claim 10, it is characterized in that, the public D2D has found signal resource configuration information also
Including the first instruction information, the resource that the first instruction information indicates that public D2D discovery signal resource is concentrated is sent out in different D2D
Quantity in the existing period is identical, and the position of time domain and/or frequency domain and/or code domain is identical or different.
13. according to the method described in claim 10, it is characterized in that, the dedicated D2D discovery signal resource configuration information tool
Body includes: the quantity of resource in dedicated D2D discovery signal resource or resource collection, and/or, the dedicated D2D discovery signal money
The position of the time domain of resource and/or frequency domain and/or code domain in source or resource collection.
14. according to the method described in claim 10, it is characterized in that, the dedicated D2D has found signal resource configuration information also
Including second indication information, the second indication information instruction is within the validity period of D2D discovery signal, each D2D discovery
In period for the D2D discovery signal send resource quantity it is identical, for the D2D discovery signal send resource when
The position of domain and/or frequency domain and/or code domain is identical or not identical.
15. a kind of D2D equipment, which is characterized in that the D2D equipment includes: the first receiving module and detection module；Wherein,
First receiving module, for receiving system broadcast message, the system broadcast message carries public D2D and finds signal
Resource allocation information, the public D2D discovery signal resource configuration information include: D2D discovery period and public D2D discovery signal
Resource collection；
The detection module is found for finding signal resource configuration information according to the public D2D in corresponding public D2D
D2D is detected on signal resource finds signal；
The D2D equipment further include: the second receiving module and sending module；Wherein,
Second receiving module finds signal resource configuration information, the dedicated D2D for the dedicated D2D received from base station
It was found that signal resource configuration information includes: that dedicated D2D discovery signal resource or resource collection and D2D have found the effective of signal
Phase, wherein the dedicated D2D has found signal resource or resource collection is the son in the public D2D discovery signal resource set
Collection；
The sending module is found for finding signal resource configuration information according to the dedicated D2D in corresponding dedicated D2D
D2D is sent on signal resource finds signal.
16. D2D equipment according to claim 15, which is characterized in that
The received public D2D discovery signal resource configuration information of first receiving module specifically includes: public D2D has found signal
The quantity of resource in resource collection, and/or, the time domain and/or frequency domain of resource in the public D2D discovery signal resource set
The position of code domain and/or.
17. D2D equipment according to claim 15, which is characterized in that
The received public D2D discovery signal resource configuration information of first receiving module further includes the first instruction information, described
The resource that first instruction information indicates that public D2D discovery signal resource is concentrated finds that the quantity in the period is identical in different D2D, when
The position of domain and/or frequency domain and/or code domain is identical or different.
18. D2D equipment according to claim 17, which is characterized in that the D2D equipment further includes the first jump module,
The first jump module, for finding signal resource configuration information according to the received public D2D of the first receiving module,
In the different D2D discovery periods, the jump carried according to default configuration and/or public D2D discovery signal resource configuration information is regular,
The position hopping of time domain and/or frequency domain and/or code domain is carried out,
The detection module, specifically for being detected on the after the jump public D2D discovery signal resource of the first jump module
D2D has found signal.
19. D2D equipment according to claim 15, which is characterized in that
The received dedicated D2D discovery signal resource configuration information of second receiving module specifically includes: dedicated D2D has found signal
The quantity of resource in resource or resource collection, and/or, in the dedicated D2D discovery signal resource or resource collection resource when
The position of domain and/or frequency domain and/or code domain.
20. D2D equipment according to claim 15, which is characterized in that
The received dedicated D2D discovery signal resource configuration information of second receiving module further includes second indication information, described
Second indication information instruction is found in each D2D discovery period for the D2D within the validity period of D2D discovery signal
The resource quantity that signal is sent is identical, the time domain and/or frequency domain and/or code domain of the resource for D2D discovery signal transmission
Position it is identical or not identical.
21. D2D equipment according to claim 20, which is characterized in that the D2D equipment further includes the second jump module,
The second jump module, for finding signal resource configuration information according to the received dedicated D2D of the second receiving module,
In each D2D discovery period in the validity period of the D2D discovery signal, signal is found according to default configuration and/or dedicated D2D
The jump rule that resource allocation information carries, carries out the position hopping of time domain and/or frequency domain and/or code domain,
The sending module, specifically for being sent on the after the jump dedicated D2D discovery signal resource of the second jump module
D2D has found signal.
22. a kind of base station, which is characterized in that the base station includes: the first sending module；Wherein,
First sending module, for sending system broadcast message, the system broadcast message carries public D2D and finds signal
Resource allocation information, the public D2D discovery signal resource configuration information include: D2D discovery period and public D2D discovery signal
Resource collection；
The base station further includes the second sending module,
Second sending module finds signal resource configuration information, the dedicated D2D for sending dedicated D2D to D2D equipment
It was found that signal resource configuration information includes: that dedicated D2D discovery signal resource or resource collection and D2D have found the effective of signal
Phase, wherein the dedicated D2D has found signal resource or resource collection is the son in the public D2D discovery signal resource set
Collection.
23. a kind of D2D discovery signal resource configures system, which is characterized in that the system includes: D2D equipment and base station, wherein
The D2D equipment is the described in any item D2D equipment of claim 15 to 21；
The base station is base station described in claim 22.
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| CN107113761B (en) * | 2014-12-19 | 2021-04-09 | 索尼公司 | User equipment, access network node, communication system and relative position determination method |
| CN104540236B (en) * | 2015-01-30 | 2017-04-05 | 深圳酷派技术有限公司 | For the resource allocation method of the direct-connected communication of terminal, system, terminal and base station |
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