CN103369585B - The method and apparatus quickly setting up D2D communication - Google Patents

The method and apparatus quickly setting up D2D communication Download PDF

Info

Publication number
CN103369585B
CN103369585B CN201310143807.6A CN201310143807A CN103369585B CN 103369585 B CN103369585 B CN 103369585B CN 201310143807 A CN201310143807 A CN 201310143807A CN 103369585 B CN103369585 B CN 103369585B
Authority
CN
China
Prior art keywords
d2d
described
detectable signal
id
user equipment
Prior art date
Application number
CN201310143807.6A
Other languages
Chinese (zh)
Other versions
CN103369585A (en
Inventor
李兵兵
卓维娜
兰冰
常俊仁
Original Assignee
华为技术有限公司
西安电子科技大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司, 西安电子科技大学 filed Critical 华为技术有限公司
Priority to CN201310143807.6A priority Critical patent/CN103369585B/en
Publication of CN103369585A publication Critical patent/CN103369585A/en
Application granted granted Critical
Publication of CN103369585B publication Critical patent/CN103369585B/en

Links

Abstract

The present invention is applicable to the communications field, it is provided that the method and apparatus quickly setting up D2D communication, and described method includes: generates D2D detectable signal, and sends described D2D detectable signal; Generate D2D detectable signal, and to the described D2D detectable signal of neighbouring transmission; The resource receiving base station transmission authorizes signaling; Authorize signaling according to described resource and set up D2D communication, and send the D2D built vertical message of communication to base station. The embodiment of the present invention, oneth UE is at one's leisure periodically to neighbouring transmission detectable signal, 2nd UE receives this detectable signal, according to this detectable signal the oneth UE added to and can carry out in D2D communication list, when a UE initiates D2D communication to the 2nd UE, if base station detects comprises a UE in list, send resource to a UE and authorize signaling, make, before initiating D2D communication, not need to communicate the test of quality temporarily, be greatly improved the efficiency of D2D communication.

Description

The method and apparatus quickly setting up D2D communication

Technical field

The invention belongs to the communications field, particularly relate to the method and apparatus quickly setting up D2D communication.

Background technology

In existing cellular mobile communications network, as LTE/LTE-A, the communication of equipment room needs the switching of base station, namely completes the communication of equipment room only by the upstream or downstream channel of cellular system. Along with intelligent terminal constantly popularizes, the demand of the multimedia service processed by cellular network is also continued to increase, and base station side processes the burden of data and certainly will increase, but people do not reduce for the demand of high data rate, need higher transfer rate on the contrary. Mean that future mobile communications network must develop to the network capacity of higher data transmission rate, bigger resource utilization and Geng Gao. But, can be used for the radio frequency resources of mobile communication extremely limited, therefore, how in limited bandwidth resources, to realize two-forty and Large Copacity becomes particularly significant. Between mobile equipment square from close to time, carried out the communication of equipment room by base station substitute mode, the waste of Radio Resource can be caused, reduce system effectiveness, and support that the directly communication (device-to-device, device-to-device) of equipment room can bring a lot of benefit to traditional cellular network. The introducing of D2D can bring benefit to have: improves frequency efficiency, improve traffic rate, lower the load of cellular base stations, scope of increasing network coverage, reduce battery consumption, improve the QoS of wireless network, provide new service. D2D communication mode under the base station of cellular network controls, on the one hand so that D2D communication work, in licensed band, has lot of advantages relative to other technology of unlicensed frequency range (such as bluetooth, WLAN etc.), such as disturb controlled, coordinate the interference between phone user and D2D user; On the other hand, high-quality D2D link can be greatly improved message transmission rate; On the other hand, it is possible to multiplexing conventional cellular network resource, alleviate Radio Resource shortage problem, improve resource utilization.Therefore, Device-to-Device(D2D) communication technology becomes the new technique of great competitiveness in recent years.

It is illustrated in figure 1 prior art and sets up the flow chart of D2D communication means, including:

In step S101, a UE sends D2D connection establishment request message to base station, and described D2D connection establishment request message comprises the ID of the 2nd UE;

In step s 102, base station receives described D2D connection establishment request message, and sends measurement message to described UE and the two UE;

In step s 103, a UE sends detectable signal to the 2nd UE;

In step S104, the 2nd UE detects described detectable signal, and reports testing result to base station;

In step S105, base station receives described testing result, and judges that can UE and the two UE carry out D2D communication according to described testing result;

In step s 106, if it is then base station and a UE and the 2nd UE carry out resource distribution.

As seen from the above description, prior art needed before setting up D2D, communicated the test of quality, it is necessary to expend substantial amounts of man power and material temporarily.

Summary of the invention

The purpose of the embodiment of the present invention is in that to provide the method and apparatus quickly setting up D2D communication, to solve prior art before setting up D2D, it is necessary to communicate the test of quality temporarily, and the problem expending substantial amounts of man power and material.

First aspect, embodiments provides a kind of method quickly setting up D2D communication, and described method includes:

Generate D2D detectable signal, and send described D2D detectable signal, so that the second subscriber equipment receives described D2D detectable signal, and obtain the D2D-ID of first user equipment according to described detectable signal;

Send D2D connection establishment request message to base station, described D2D connection establishment request message comprises the ID of described second subscriber equipment and the D2D-ID of described first user equipment;

The resource receiving base station transmission authorizes signaling;

Authorize signaling according to described resource and set up D2D communication, and send the D2D built vertical message of communication to base station.

In the first possible embodiment of first aspect, before the described step generating D2D detectable signal, described method also includes:

Obtain the D2D-ID mapping relations to detectable signal, and receive the D2D-ID of described base station distribution.

In conjunction with the first possible way of example of first aspect, in the embodiment that the second is possible, the described acquisition D2D-ID step to the mapping relations of detectable signal, including:

Receive the described D2D-ID mapping relations to detectable signal; Or,

Preset the described D2D-ID mapping relations to detectable signal.

In the third possible embodiment of first aspect, described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:

The master sync signal of inheritance system increases N number of index root, generates Zadoff-Chu sequence as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals; Or,

The master sync signal of inheritance system increases M index root, according to M index root generation Zadoff-Chu sequence after increasing as D2D master sync signal, and using the honeycomb auxiliary synchronous signals after extending as D2D auxiliary synchronous signals.

In conjunction with the third possible way of example of first aspect, in the 4th kind of possible embodiment, described detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel.

Second aspect, embodiments provides a kind of method quickly setting up D2D communication, and described method includes:

Receive the D2D detectable signal that first user equipment sends, and obtain the D2D-ID of described first user equipment;

The D2D-ID of described first user equipment is added in the list that can carry out D2D communication, and described list is sent to base station, so that described base station is receiving the D2D connection establishment request message that described first user equipment sends, it is judged that whether the D2D-ID of described first user equipment is among described list;

When base station judges that the D2D-ID of described first user equipment is among described list, set up D2D with described first user equipment and communicate.

In the first possible embodiment of second aspect, the step of the D2D-ID of the described first user equipment of described acquisition, including:

Receive described D2D detectable signal, and judge whether described D2D detectable signal meets default D2D communication standard;

When described D2D detectable signal meets described D2D communication standard, obtain the D2D-ID of described first user equipment.

In the embodiment that the second of second aspect is possible, before the step of the detectable signal of described reception first user equipment transmission, described method also includes:

Obtain the D2D-ID mapping relations to detectable signal, and receive the D2D-ID of described base station distribution.

In conjunction with the embodiment that the second of second aspect is possible, in the embodiment that the third is possible, the described acquisition D2D-ID step to the mapping relations of detectable signal, including:

Receive the described D2D-ID mapping relations to detectable signal; Or,

Preset the described D2D-ID mapping relations to detectable signal.

In the 4th kind of possible embodiment of second aspect, described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:

Master sync signal increases N number of index root, generates Zadoff-Chu sequence as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals; Or,

Master sync signal adds M index root, according to M index root generation Zadoff-Chu sequence after adding as D2D master sync signal, and using the honeycomb auxiliary synchronous signals after extending as D2D auxiliary synchronous signals.

In conjunction with the embodiment that the second of second aspect is possible, in the 5th kind of possible embodiment, described detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel.

The third aspect, embodiments provides a kind of method quickly setting up D2D communication, and described method includes:

Receive the list of the carried out D2D communication that the second subscriber equipment sends, and store described list;

Receiving the D2D connection establishment request message that first user equipment sends, described D2D connection establishment request message comprises the D2D-ID of the ID of described second subscriber equipment, described first user equipment;

Ask message according to described D2D connection establishment, described in searching, can carry out whether D2D communication list includes described first user equipment;

If including, then send resource to described first user equipment and authorize signaling, set up D2D with described second subscriber equipment communicate so that described first user equipment authorizes signaling according to described resource;

Receive the D2D built vertical message of communication that described first user equipment sends.

In the first possible embodiment of the third aspect, before the step of the carried out D2D communication list of described reception the second subscriber equipment transmission, described method also includes:

Obtain the D2D-ID mapping relations to detectable signal, and send the D2D-ID of distribution to described first user equipment and the second subscriber equipment.

In conjunction with the first possible embodiment of the third aspect, in the embodiment that the second is possible, the described acquisition D2D-ID step to the mapping relations of detectable signal, including:

Receive the described D2D-ID mapping relations to detectable signal; Or,

Preset the described D2D-ID mapping relations to detectable signal.

In the third possible embodiment of the third aspect, described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:

The master sync signal of inheritance system increases N number of index root, generates Zadoff-Chu sequence as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals; Or,

The master sync signal of inheritance system increases M index root, according to M index root generation Zadoff-Chu sequence after increasing as D2D master sync signal, and using the honeycomb auxiliary synchronous signals after extending as D2D auxiliary synchronous signals.

In conjunction with the first possible embodiment of the third aspect, in the 4th kind of possible embodiment, described detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel.

Fourth aspect, embodiments provides a kind of first user equipment quickly setting up D2D communication, and described first user equipment includes:

D2D detectable signal transmitting element, is used for generating D2D detectable signal, and sends described D2D detectable signal, so that the second subscriber equipment receives described D2D detectable signal, and obtains the D2D-ID of first user equipment according to described detectable signal;

D2D connection establishment request message sending unit, after sending at described D2D detectable signal transmitting element, send D2D connection establishment request message to base station, described D2D connection establishment request message comprises the ID of described second subscriber equipment and the D2D-ID of described first user equipment;

Resource is authorized signaling and is received unit, and after asking message sending unit to send for D2D connection establishment, the resource receiving base station transmission authorizes signaling;

D2D connection setup unit, for according to described resource authorize signaling receive unit receive resource authorize signaling set up D2D communication, and to base station send D2D communicate built vertical message.

In the first possible embodiment of fourth aspect, before described D2D detectable signal transmitting element sends, described first user equipment also includes:

Mapping relations acquiring unit, for obtaining the D2D-ID mapping relations to detectable signal;

D2D-ID receives unit, for receiving the D2D-ID of base station distribution.

In conjunction with the first possible embodiment of fourth aspect, in the embodiment that the second is possible, described mapping relations acquiring unit, including:

Receive subelement, for receiving the described D2D-ID mapping relations to detectable signal; Or,

Preset subelement, for presetting the described D2D-ID mapping relations to detectable signal.

In the third possible enforcement of fourth aspect, described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:

The master sync signal of inheritance system increases N number of index root, generates Zadoff-Chu sequence as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals; Or,

The master sync signal of inheritance system increases M index root, according to M index root generation Zadoff-Chu sequence after increasing as D2D master sync signal, and using the honeycomb auxiliary synchronous signals after extending as D2D auxiliary synchronous signals.

In conjunction with the third possible embodiment of fourth aspect, in the 4th kind of possible embodiment, described detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel.

In the 5th, embodiments providing a kind of the second subscriber equipment quickly setting up D2D communication, described second subscriber equipment includes:

D2D detectable signal receives unit, for receiving the D2D detectable signal that first user equipment sends, and obtains the D2D-ID of described first user equipment;

List transmitting element, D2D-ID for described D2D detectable signal receives the first user equipment that unit obtains adds in the list that can carry out D2D communication, and described list is sent to base station, so that described base station is receiving the D2D connection establishment request message that described first user equipment sends, it is judged that whether the D2D-ID of described first user equipment is among described list;

D2D connection setup unit, for when base station judges that the D2D-ID of described first user equipment is among the list that described list transmitting element sends, setting up D2D with described first user equipment and communicate.

In the first possible embodiment in the 5th, described D2D detectable signal receives unit and includes:

Judgment sub-unit, for judging to state whether D2D detectable signal meets default D2D communication standard described in reception;

Obtain subelement, for when described judgment sub-unit judges that described D2D detectable signal meets described D2D communication standard, obtaining the D2D-ID of described first user equipment.

In the embodiment that the second in the 5th is possible, receiving before unit receives at described D2D detectable signal, described second subscriber equipment also includes:

Mapping relations acquiring unit, for obtaining the D2D-ID mapping relations to detectable signal;

D2D-ID receives unit, for receiving the D2D-ID of base station distribution.

In conjunction with the embodiment that the second of the 5th aspect is possible, in the embodiment that the third is possible, described mapping relations acquiring unit, including:

Receive subelement, for receiving the described D2D-ID mapping relations to detectable signal;

Preset subelement, for presetting the described D2D-ID mapping relations to detectable signal.

In conjunction with the embodiment that the second of the 5th aspect is possible, in the 4th kind of possible embodiment, described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:

The master sync signal of inheritance system increases N number of index root, generates Zadoff-Chu sequence as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals; Or,

The master sync signal of inheritance system increases M index root, according to M index root generation Zadoff-Chu sequence after increasing as D2D master sync signal, and using the honeycomb auxiliary synchronous signals after extending as D2D auxiliary synchronous signals.

In conjunction with the 4th kind of possible embodiment of the 5th aspect, in the 5th kind of possible embodiment, described detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel.

In the 6th, embodiments providing a kind of base station quickly setting up D2D communication, described base station includes:

List reception unit, for receiving the list of the carried out D2D communication that the second subscriber equipment sends, and stores described list;

Connection establishment request message reception units, after receiving at described list reception unit, receiving the D2D connection establishment request message that first user equipment sends, described D2D connection establishment request message comprises the D2D-ID of the ID of described second subscriber equipment, described first user equipment;

Search unit, for asking the D2D connection establishment that message reception units receives to ask message according to described connection establishment, described in searching, can carry out whether D2D communication list includes described first user equipment;

Resource authorizes signaling transmitting element, for when the carried out D2D communication list that described lookup unit is searched includes described first user equipment, send resource to described first user equipment and authorize signaling, set up D2D with described second subscriber equipment communicate so that described first user equipment authorizes signaling according to described resource;

Built vertical message reception units, after authorizing the transmission of signaling transmitting element in described resource, receives the D2D built vertical message of communication that described first user equipment sends.

In the first possible embodiment in the 6th, before described list reception unit receives, described base station also includes:

Mapping relations acquiring unit, for obtaining the D2D-ID mapping relations to detectable signal;

D2D-ID transmitting element, for sending the D2D-ID of distribution to first user equipment and the second subscriber equipment.

In the embodiment that the second in the 6th is possible, described mapping relations acquiring unit, including:

Receive subelement, for receiving the described D2D-ID mapping relations to detectable signal;

Preset subelement, for presetting the described D2D-ID mapping relations to detectable signal.

In the third possible embodiment in the 6th, described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:

The master sync signal of inheritance system increases N number of index root, generates Zadoff-Chu sequence as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals; Or,

The master sync signal of inheritance system increases M index root, according to M index root generation Zadoff-Chu sequence after increasing as D2D master sync signal, and using the honeycomb auxiliary synchronous signals after extending as D2D auxiliary synchronous signals.

In conjunction with the third possible embodiment of the 6th aspect, in the 4th kind of possible embodiment, described detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel.

The embodiment of the present invention, oneth UE is at one's leisure periodically to neighbouring transmission detectable signal, 2nd UE receives this detectable signal, according to this detectable signal the oneth UE added to and can carry out in D2D communication list, and send this list to base station, when a UE initiates D2D communication to the 2nd UE, if base station detects in the carried out D2D communication list of the 2nd UE comprises a UE, then directly send resource to a UE and authorize signaling, before oneth UE and the two UE need not be communicated initiating D2D, communicate the test of quality temporarily, but the test of communication quality is put and carries out at one's leisure, it is greatly improved the efficiency of D2D communication.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

The flow chart setting up D2D communication means that Fig. 1 provides for prior art;

The flow chart quickly setting up D2D communication means that Fig. 2 provides for one embodiment of the invention;

The structure chart of the first user equipment that Fig. 3 provides for the embodiment of the present invention;

The structure chart of the second subscriber equipment that Fig. 4 provides for the embodiment of the present invention;

The structure chart of the base station that Fig. 5 provides for the embodiment of the present invention.

Detailed description of the invention

In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated. Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.

The embodiment of the present invention, oneth UE is at one's leisure periodically to neighbouring transmission detectable signal, 2nd UE receives this detectable signal, according to this detectable signal the oneth UE added to and can carry out in D2D communication list, and send this list to base station, when a UE initiates D2D communication to the 2nd UE, if base station detects in the carried out D2D communication list of the 2nd UE comprises a UE, then directly send resource to a UE and authorize signaling, before oneth UE and the two UE need not be communicated initiating D2D, communicate the test of quality temporarily, but the test of communication quality is put and carries out at one's leisure, it is greatly improved the efficiency of D2D communication.

In order to technical solutions according to the invention are described, illustrate below by specific embodiment.

Embodiment one

It is illustrated in figure 1 the flow chart quickly setting up D2D communication means that one embodiment of the invention provides, said method comprising the steps of:

In step s 201, first user equipment generates D2D detectable signal, and sends described D2D detectable signal.

In embodiments of the present invention, subscriber equipment has the D2D-ID mapping relations to detectable signal locally stored, and subscriber equipment is after receiving the D2D-ID of base station distribution, it is possible to the D2D-ID according to base station distribution, select corresponding detectable signal, and described detectable signal is sent to neighbouring.

In step S202, the second subscriber equipment receives described detectable signal, and obtains the D2D-ID of described first user equipment.

In embodiments of the present invention, first user equipment (UserEquipment is called for short UE) is at one's leisure, periodically to neighbouring transmission D2D detectable signal, this D2D detectable signal comprises the D2D-ID that base station is a UE distribution, the 2nd UE near a UE receives D2D detectable signal, and obtains the D2D-ID of a UE according to this D2D detectable signal.

Wherein, described second subscriber equipment obtains the step of the D2D-ID of first user equipment, particularly as follows:

1, the second subscriber equipment receives described D2D detectable signal, and judges whether described D2D detectable signal meets default D2D communication standard;

In embodiments of the present invention, the information such as Signal to Interference plus Noise Ratio (SignaltoInterferenceplusNoiseRatio is called for short SINR), signal quality are the information that all detectable signals all comprise, therefore the second subscriber equipment by information such as the SINR of detectable signal, signal qualitys, can judge whether this detectable signal meets default D2D communication standard.

2, when described D2D detectable signal meets described D2D communication standard, described second subscriber equipment obtains the D2D-ID of described first user equipment.

In embodiments of the present invention, D2D-ID is obtained by resolving by D2D master sync signal (D2DPrimarySynchronizationSignal is called for short D2D-PSS) and D2D auxiliary synchronous signals (D2DSecondarySynchronizationSignal is called for short D2D-SSS), and subscriber equipment is locally stored the D2D-ID mapping relations to detectable signal, just when getting detectable signal, D2D-ID can be obtained according to these mapping relations.

In step S203, the D2D-ID of described first user equipment is added to by described second subscriber equipment can carry out D2D communication list, and described list is sent to base station.

In embodiments of the present invention, described D2D-ID, after getting the D2D-ID of a UE, is added to and can carry out among the list of D2D communication by the 2nd UE, and sends this list to base station and store, in order to use in subsequent steps.

In step S204, described first user equipment sends D2D connection establishment request message to described base station, and described D2D connection establishment request message comprises the D2D-ID of the ID of described second subscriber equipment, described first user equipment.

In embodiments of the present invention, the ID of the 2nd UE is not D2D-ID, but ID, the ID of the 2nd UE effect in embodiments of the present invention for cellular communication is: makes base station obtain a UE and is desired with the UE of D2D communication.

In step S205, message is asked according to described D2D connection establishment in described base station, can carry out whether including in D2D communication list described first user equipment described in searching.

In embodiments of the present invention, base station is after receiving the UE D2D connection establishment sent request message, ID according to the 2nd UE wherein comprised inquires about the carried out D2D communication list of the 2nd UE, and searches this D2D-ID that can carry out whether including a UE in D2D communication list.

In step S206, if included, then described base station sends resource to described first user equipment and authorizes signaling.

In embodiments of the present invention, if the carried out D2D communication list of the 2nd UE includes first user equipment, then base station sends resource by cellular link to described first user equipment and authorizes signaling, and this resource authorizes signaling for setting up D2D communication.

In an alternate embodiment of the present invention where, described base station can also send resource to UE and the two UE simultaneously authorize signaling, so that UE and the two UE authorizes signaling according to this resource configures D2D communication voluntarily.

In step S207, described first user equipment is authorized signaling according to described resource and is set up D2D communication, and sends the D2D built vertical message of communication to base station.

The embodiment of the present invention, oneth UE is at one's leisure periodically to neighbouring transmission detectable signal, 2nd UE receives this detectable signal, according to this detectable signal the oneth UE added to and can carry out in D2D communication list, and send this list to base station, when a UE initiates D2D communication to the 2nd UE, if base station detects in the carried out D2D communication list of the 2nd UE comprises a UE, then directly send resource to a UE and authorize signaling, before oneth UE and the two UE need not be communicated initiating D2D, communicate the test of quality temporarily, but the test of communication quality is put and carries out at one's leisure, it is greatly improved the efficiency of D2D communication.

As an alternative embodiment of the present invention, before described first user equipment generates the step of D2D detectable signal, described method is further comprising the steps of:

First user equipment and the second subscriber equipment obtain D2D-ID to the mapping relations of detectable signal the D2D-ID receiving base station distribution;

Base station obtains the D2D-ID mapping relations to detectable signal, and sends the D2D-ID of distribution to first user equipment and the second subscriber equipment.

In embodiments of the present invention, before first user equipment generates D2D detectable signal, first user equipment and the second subscriber equipment obtain D2D-ID to the mapping relations of detectable signal the D2D-ID receiving base station distribution, and base station obtains the D2D-ID mapping relations to detectable signal.

Wherein, first user equipment, the second subscriber equipment and base station obtain the D2D-ID step to the mapping relations of detectable signal, including:

Receive the described D2D-ID mapping relations to detectable signal; Or,

In the default described D2D-ID mapping relations to detectable signal.

Wherein, base station is that the method for user equipment allocation D2D-ID includes:

A, base station are broadcast to subscriber equipment D2D-ID all of in community, subscriber equipment choose voluntarily;

B, it is user equipment allocation by base station.

Wherein, described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:

The master sync signal of inheritance system increases N number of index root, Zadoff-Chu sequence is generated as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals, so available D2D-ID just can have 6*168=2008 kind; Or,

The master sync signal of inheritance system increases M index root (��=38), indexes root (��=38,25,29,34) generation Zadoff-Chu sequence as D2D master sync signal according to M after increasing, then by m in auxiliary synchronous signals0And m1Combination extend to 465 kinds of combinations, with the m that 0��No. 464 whole combination is corresponding0And m1The sequence generated is as DSSS corresponding for the DPSS of ��=38; With the m that 168��No. 464 combinations are corresponding0And m1Generate sequence as ��=25, the DSSS corresponding for DPSS of 29,34. Oneth UE sends DPSS, during the 2nd UE detection, if three root sequences of to be �� the be original system detected one of them, then when detecting DSSS, if detecting 168��No. 464 combinations, beIt is still otherwise the SSS of former cellular system; If the �� detected is new extension, when detecting DSSS, the 0th��No. 464 is combined equal conductSo available D2D-ID has 465+3*(465-168)=1356 kinds.

Wherein, about m in auxiliary synchronous signals0And m1Combination extend to 465 kinds of combinations, as follows:

Observe physical district ID group in SSSWith index m0And m1Between mapping relations,There are 168 kinds, but and unexhausted m0And m1Possible combination, actually m0And m1At most can there be 465 kinds of combinations:

P=1,2, �� 30, desirable 30 numbers altogether

To each p, m0And m131-p kind can be had to combine

m0=0,1, �� 30-p,

m1=p, p+1, if �� 30(p=30, then m1=30),

Corresponding m0And m1Corresponding one of each combinationTotalKind.

In another alternative embodiment of the invention, detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel. D2D master sync signal, D2D auxiliary synchronous signals are same as described above, and therefore not to repeat here.

Embodiment two

It is illustrated in figure 3 the structure chart of the first user equipment that the embodiment of the present invention provides, for the ease of illustrating, the part relevant to the embodiment of the present invention is only shown, including:

D2D detectable signal transmitting element 301, is used for generating D2D detectable signal, and sends described D2D detectable signal, so that the second subscriber equipment receives described D2D detectable signal, and obtains the D2D-ID of first user equipment according to described detectable signal.

In embodiments of the present invention, subscriber equipment has the D2D-ID mapping relations to detectable signal locally stored, subscriber equipment is after receiving the D2D-ID of base station distribution, D2D detectable signal transmitting element 301 can according to the D2D-ID of base station distribution, select corresponding detectable signal, and described detectable signal is sent to neighbouring.

D2D connection establishment request message sending unit 302, after sending at described D2D detectable signal transmitting element 301, send D2D connection establishment request message to base station, described D2D connection establishment request message comprises the ID of described second subscriber equipment and the D2D-ID of described first user equipment.

In embodiments of the present invention, the ID of the 2nd UE in the D2D connection establishment request message that D2D connection establishment request message sending unit 302 sends not is D2D-ID, but ID, the ID of the 2nd UE effect in embodiments of the present invention for cellular communication is: make base station obtain a UE and be desired with the UE of D2D communication.

Resource is authorized signaling and is received unit 303, and after asking message sending unit 302 to send for D2D connection establishment, the resource receiving base station transmission authorizes signaling.

In embodiments of the present invention, if base station allows UE and the two UE to carry out D2D communication, then base station sends resource to a UE and authorizes signaling, and the resource of a UE is authorized signaling and received unit 303 and then receive described resource and authorize signaling.

D2D connection setup unit 304, for according to described resource authorize signaling receive unit 303 receive resource authorize signaling set up D2D communication, and to base station send D2D communicate built vertical message.

In embodiments of the present invention, D2D connection setup unit 304 is authorized signaling according to resource and is set up D2D with the 2nd UE and communicate, and sends D2D to base station at D2D connection setup rear and communicate built vertical message.

The embodiment of the present invention, oneth UE is at one's leisure periodically to neighbouring transmission detectable signal, 2nd UE receives this detectable signal, according to this detectable signal the oneth UE added to and can carry out in D2D communication list, and send this list to base station, when a UE initiates D2D communication to the 2nd UE, if base station detects in the carried out D2D communication list of the 2nd UE comprises a UE, then directly send resource to a UE and authorize signaling, before oneth UE and the two UE need not be communicated initiating D2D, communicate the test of quality temporarily, but the test of communication quality is put and carries out at one's leisure, it is greatly improved the efficiency of D2D communication.

As an alternative embodiment of the present invention, before described D2D detectable signal transmitting element 301 sends, described first user equipment also includes:

Mapping relations acquiring unit 305, for obtaining the D2D-ID mapping relations to detectable signal.

D2D-ID receives unit 306, for receiving the D2D-ID of base station distribution.

In embodiments of the present invention, before a UE generates D2D detectable signal, mapping relations acquiring unit 305 obtains the D2D-ID mapping relations to detectable signal, and D2D-ID receives unit 306 and then receives the D2D-ID of base station distribution. Wherein, described mapping relations acquiring unit 305, including:

Receive subelement 3051, for receiving the described D2D-ID mapping relations to detectable signal; Or,

Preset subelement 3052, for presetting the described D2D-ID mapping relations to detectable signal.

Wherein, described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:

The master sync signal of inheritance system increases N number of index root, Zadoff-Chu sequence is generated as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals, so available D2D-ID just can have 6*168=2008 kind;Or,

The master sync signal of inheritance system increases M index root (��=38), indexes root (��=38,25,29,34) generation Zadoff-Chu sequence as D2D master sync signal according to M after increasing, then by m in auxiliary synchronous signals0And m1Combination extend to 465 kinds of combinations, with the m that 0��No. 464 whole combination is corresponding0And m1The sequence generated is as DSSS corresponding for the DPSS of ��=38; With the m that 168��No. 464 combinations are corresponding0And m1Generate sequence as ��=25, the DSSS corresponding for DPSS of 29,34. Oneth UE sends DPSS, during the 2nd UE detection, if three root sequences of to be �� the be original system detected one of them, then when detecting DSSS, if detecting 168��No. 464 combinations, beIt is still otherwise the SSS of former cellular system; If the �� detected is new extension, when detecting DSSS, the 0th��No. 464 is combined equal conductSo available D2D-ID has 465+3*(465-168)=1356 kinds.

Wherein, about m in auxiliary synchronous signals0And m1Combination extend to 465 kinds of combinations, as follows:

Observe physical district ID group in SSSWith index m0And m1Between mapping relations,There are 168 kinds, but and unexhausted m0And m1Possible combination, actually m0And m1At most can there be 465 kinds of combinations:

P=1,2, �� 30, desirable 30 numbers altogether

To each p, m0And m131-p kind can be had to combine

m0=0,1, �� 30-p,

m1=p, p+1, if �� 30(p=30, then m1=30),

Corresponding m0And m1Corresponding one of each combinationTotalKind.

In another alternative embodiment of the invention, detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel. D2D master sync signal, D2D auxiliary synchronous signals are same as described above, and therefore not to repeat here.

Embodiment three

It is illustrated in figure 4 the structure chart of the second subscriber equipment that the embodiment of the present invention provides, for the ease of illustrating, the part relevant to the embodiment of the present invention is only shown, including:

D2D detectable signal receives unit 401, for receiving the D2D detectable signal that first user equipment sends, and obtains the D2D-ID of described first user equipment.

In embodiments of the present invention, first user equipment (UserEquipment is called for short UE) is at one's leisure, periodically to neighbouring transmission D2D detectable signal, this D2D detectable signal comprises the D2D-ID that base station is a UE distribution, the 2nd UE near a UE receives D2D detectable signal, and obtains the D2D-ID of a UE according to this D2D detectable signal.

Wherein, described D2D detectable signal receives unit 401, including:

Judgment sub-unit 4011, for judging to state whether D2D detectable signal meets default D2D communication standard described in reception;

In embodiments of the present invention, the information such as Signal to Interference plus Noise Ratio (SignaltoInterferenceplusNoiseRatio is called for short SINR), signal quality are the information that all detectable signals all comprise, therefore judgment sub-unit 4011 by information such as the SINR of detectable signal, signal qualitys, can judge whether this detectable signal meets default D2D communication standard.

Obtain subelement 4012, for when described judgment sub-unit 4011 judges that described D2D detectable signal meets described D2D communication standard, obtaining the D2D-ID of described first user equipment.

In embodiments of the present invention, D2D-ID is obtained by resolving by D2D master sync signal (D2DPrimarySynchronizationSignal is called for short D2D-PSS) and D2D auxiliary synchronous signals (D2DSecondarySynchronizationSignal is called for short D2D-SSS), and subscriber equipment is locally stored the D2D-ID mapping relations to detectable signal, just when getting detectable signal, D2D-ID can be obtained according to these mapping relations.

List transmitting element 402, D2D-ID for described D2D detectable signal receives the first user equipment that unit 401 obtains adds in the list that can carry out D2D communication, and described list is sent to base station, so that described base station is receiving the D2D connection establishment request message that described first user equipment sends, it is judged that whether the D2D-ID of described first user equipment is among described list.

In embodiments of the present invention, list transmitting element 402 is after obtaining the D2D-ID of a UE, described D2D-ID is added to and can carry out among the list of D2D communication, and send this list to base station and store, so that described base station is receiving the D2D connection establishment request message that described first user equipment sends in subsequent steps, it is judged that whether the D2D-ID of described first user equipment is among described list.

D2D connection setup unit 403, for when base station judges that the D2D-ID of described first user equipment is among the list that described list transmitting element 402 sends, setting up D2D with described first user equipment and communicate.

In embodiments of the present invention, what base station reception the oneth UE sent sets up the D2D request communicated with the 2nd UE, if base station judges that the D2D-ID of a UE is among the list of the carried out D2D communication of the 2nd UE, then D2D connection setup unit 403 is set up D2D with first user equipment and is communicated.

The embodiment of the present invention, oneth UE is at one's leisure periodically to neighbouring transmission detectable signal, 2nd UE receives this detectable signal, according to this detectable signal the oneth UE added to and can carry out in D2D communication list, and send this list to base station, when a UE initiates D2D communication to the 2nd UE, if base station detects in the carried out D2D communication list of the 2nd UE comprises a UE, then directly send resource to a UE and authorize signaling, before oneth UE and the two UE need not be communicated initiating D2D, communicate the test of quality temporarily, but the test of communication quality is put and carries out at one's leisure, it is greatly improved the efficiency of D2D communication.

As an alternative embodiment of the present invention, before described D2D detectable signal receives unit 401 reception, described second subscriber equipment also includes:

Mapping relations acquiring unit 404, for obtaining the D2D-ID mapping relations to detectable signal.

D2D-ID receives unit 405, for receiving the D2D-ID of base station distribution.

In embodiments of the present invention, before the 2nd UE receives D2D detectable signal, mapping relations acquiring unit 404 obtains the D2D-ID mapping relations to detectable signal, and D2D-ID receives unit 405 and then receives the D2D-ID of base station distribution. Wherein, described mapping relations acquiring unit 404, including:

Receive subelement 4041, for receiving the described D2D-ID mapping relations to detectable signal; Or,

Preset subelement 4042, for presetting the described D2D-ID mapping relations to detectable signal.

Wherein, described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:

The master sync signal of inheritance system increases N number of index root, Zadoff-Chu sequence is generated as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals, so available D2D-ID just can have 6*168=2008 kind; Or,

The master sync signal of inheritance system increases M index root (��=38), indexes root (��=38,25,29,34) generation Zadoff-Chu sequence as D2D master sync signal according to M after increasing, then by m in auxiliary synchronous signals0And m1Combination extend to 465 kinds of combinations, with the m that 0��No. 464 whole combination is corresponding0And m1The sequence generated is as DSSS corresponding for the DPSS of ��=38;With the m that 168��No. 464 combinations are corresponding0And m1Generate sequence as ��=25, the DSSS corresponding for DPSS of 29,34. Oneth UE sends DPSS, during the 2nd UE detection, if three root sequences of to be �� the be original system detected one of them, then when detecting DSSS, if detecting 168��No. 464 combinations, beIt is still otherwise the SSS of former cellular system; If the �� detected is new extension, when detecting DSSS, the 0th��No. 464 is combined equal conductSo available D2D-ID has 465+3*(465-168)=1356 kinds.

Wherein, about m in auxiliary synchronous signals0And m1Combination extend to 465 kinds of combinations, as follows:

Observe physical district ID group in SSSWith index m0And m1Between mapping relations,There are 168 kinds, but and unexhausted m0And m1Possible combination, actually m0And m1At most can there be 465 kinds of combinations:

P=1,2, �� 30, desirable 30 numbers altogether

To each p, m0And m131-p kind can be had to combine

m0=0,1, �� 30-p,

m1=p, p+1, if �� 30(p=30, then m1=30),

Corresponding m0And m1Corresponding one of each combinationTotalKind.

In another alternative embodiment of the invention, detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel. D2D master sync signal, D2D auxiliary synchronous signals are same as described above, and therefore not to repeat here.

Embodiment four

It is illustrated in figure 5 the structure chart of the base station that the embodiment of the present invention provides, for the ease of illustrating, the part relevant to the embodiment of the present invention is only shown, including:

List reception unit 501, for receiving the list of the carried out D2D communication that the second subscriber equipment sends, and stores described list;

In embodiments of the present invention, list reception unit 501 receives the carried out D2D communication list that the second subscriber equipment sends, and this can be carried out D2D communication list is stored in base station.

Connection establishment request message reception units 502, after receiving at described list reception unit 501, receiving the D2D connection establishment request message that first user equipment sends, described D2D connection establishment request message comprises the D2D-ID of the ID of described second subscriber equipment, described first user equipment.

In embodiments of the present invention, after receiving the carried out D2D communication list that the second subscriber equipment sends, connection establishment request message reception units 502 receive first user equipment send set up the D2D request message communicated with the second subscriber equipment, comprise the D2D-ID of the ID of the second subscriber equipment, first user equipment within the message.

Search unit 503, for asking the D2D connection establishment that message reception units 502 receives to ask message according to described connection establishment, described in searching, can carry out whether D2D communication list includes described first user equipment.

Resource authorizes signaling transmitting element 504, for when the carried out D2D communication list that described lookup unit 503 is searched includes described first user equipment, send resource to described first user equipment and authorize signaling, set up D2D with described second subscriber equipment communicate so that described first user equipment authorizes signaling according to described resource.

In embodiments of the present invention, when the carried out D2D communication list of the 2nd UE includes a UE, resource is authorized signaling transmitting element 504 and is authorized signaling by cellular link to a UE transmission resource, and this resource authorizes signaling for setting up D2D communication.

In an alternate embodiment of the present invention where, described base station can also send resource to UE and the two UE simultaneously authorize signaling, so that UE and the two UE authorizes signaling according to this resource configures D2D communication voluntarily.

Built vertical message reception units 505, after authorizing signaling transmitting element 504 transmission in described resource, receives the D2D built vertical message of communication that described first user equipment sends.

The embodiment of the present invention, oneth UE is at one's leisure periodically to neighbouring transmission detectable signal, 2nd UE receives this detectable signal, according to this detectable signal the oneth UE added to and can carry out in D2D communication list, and send this list to base station, when a UE initiates D2D communication to the 2nd UE, if base station detects in the carried out D2D communication list of the 2nd UE comprises a UE, then directly send resource to a UE and authorize signaling, before oneth UE and the two UE need not be communicated initiating D2D, communicate the test of quality temporarily, but the test of communication quality is put and carries out at one's leisure, it is greatly improved the efficiency of D2D communication.

As an alternative embodiment of the present invention, before described list reception unit 501 receives, described base station also includes:

Mapping relations acquiring unit 506, for obtaining the D2D-ID mapping relations to detectable signal.

D2D-ID transmitting element 507, for sending the D2D-ID of distribution to first user equipment and the second subscriber equipment.

In embodiments of the present invention, base station is before receiving the 2nd UE list sent, mapping relations acquiring unit 506 obtains the D2D-ID mapping relations to detectable signal, and D2D-ID transmitting element 507 sends the D2D-ID of distribution to first user equipment and the second subscriber equipment. Wherein, described mapping relations acquiring unit 506, including:

Receive subelement 5061, for receiving the described D2D-ID mapping relations to detectable signal; Or,

Preset subelement 5062, for presetting the described D2D-ID mapping relations to detectable signal.

Wherein, described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:

The master sync signal of inheritance system increases N number of index root, Zadoff-Chu sequence is generated as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals, so available D2D-ID just can have 6*168=2008 kind; Or,

The master sync signal of inheritance system increases M index root (��=38), indexes root (��=38,25,29,34) generation Zadoff-Chu sequence as D2D master sync signal according to M after increasing, then by m in auxiliary synchronous signals0And m1Combination extend to 465 kinds of combinations, with the m that 0��No. 464 whole combination is corresponding0And m1The sequence generated is as DSSS corresponding for the DPSS of ��=38; With the m that 168��No. 464 combinations are corresponding0And m1Generate sequence as ��=25, the DSSS corresponding for DPSS of 29,34. Oneth UE sends DPSS, during the 2nd UE detection, if three root sequences of to be �� the be original system detected one of them, then when detecting DSSS, if detecting 168��No. 464 combinations, beIt is still otherwise the SSS of former cellular system; If the �� detected is new extension, when detecting DSSS, the 0th��No. 464 is combined equal conductSo available D2D-ID has 465+3*(465-168)=1356 kinds.

Wherein, about m in auxiliary synchronous signals0And m1Combination extend to 465 kinds of combinations, as follows:

Observe physical district ID group in SSSWith index m0And m1Between mapping relations,There are 168 kinds, but and unexhausted m0And m1Possible combination, actually m0And m1At most can there be 465 kinds of combinations:

P=1,2, �� 30, desirable 30 numbers altogether

To each p, m0And m131-p kind can be had to combine

m0=0,1, �� 30-p,

m1=p, p+1, if �� 30(p=30, then m1=30),

Corresponding m0And m1Corresponding one of each combinationTotalKind.

In another alternative embodiment of the invention, detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel. D2D master sync signal, D2D auxiliary synchronous signals are same as described above, and therefore not to repeat here.

One of ordinary skill in the art will appreciate that the unit included by above-described embodiment two is carry out dividing according to function logic, but be not limited to above-mentioned division, as long as being capable of corresponding function; It addition, the concrete title of each functional unit is also only to facilitate mutually distinguish, it is not limited to protection scope of the present invention.

Those of ordinary skill in the art it is also understood that, realize all or part of step in above-described embodiment method to can be by the hardware that program carrys out instruction relevant and complete, described program can in being stored in a computer read/write memory medium, described storage medium, including ROM/RAM, disk, CD etc.

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.

Claims (28)

1. the method quickly setting up D2D communication, it is characterised in that said method comprising the steps of:
Generate D2D detectable signal, and send described D2D detectable signal, so that the second subscriber equipment receives described D2D detectable signal, and obtain the D2D-ID of first user equipment according to described detectable signal;
Send D2D connection establishment request message to base station, described D2D connection establishment request message comprises the ID of described second subscriber equipment and the D2D-ID of described first user equipment;
The resource receiving base station transmission authorizes signaling;
Authorize signaling according to described resource and set up D2D communication, and send the D2D built vertical message of communication to base station;
Wherein, described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, or described detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel, the method for designing of described detectable signal includes: increase N number of index root in the master sync signal of inheritance system, Zadoff-Chu sequence is generated as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals; Or, the master sync signal of inheritance system increases M index root, according to M index root generation Zadoff-Chu sequence after increasing as D2D master sync signal, and using the honeycomb auxiliary synchronous signals after extending as D2D auxiliary synchronous signals.
2. the method for claim 1, it is characterised in that before the described step generating D2D detectable signal, described method also includes:
Obtain the D2D-ID mapping relations to detectable signal, and receive the D2D-ID of described base station distribution.
3. method as claimed in claim 2, it is characterised in that the described acquisition D2D-ID step to the mapping relations of detectable signal, including:
Receive the described D2D-ID mapping relations to detectable signal; Or,
Preset the described D2D-ID mapping relations to detectable signal.
4. the method quickly setting up D2D communication, it is characterised in that described method includes:
Receive the D2D detectable signal that first user equipment sends, and obtain the D2D-ID of described first user equipment;
The D2D-ID of described first user equipment is added in the list that can carry out D2D communication, and described list is sent to base station, so that described base station is receiving the D2D connection establishment request message that described first user equipment sends, it is judged that whether the D2D-ID of described first user equipment is among described list;
When base station judges that the D2D-ID of described first user equipment is among described list, set up D2D with described first user equipment and communicate.
5. method as claimed in claim 4, it is characterised in that the step of the D2D-ID of the described first user equipment of described acquisition, including:
Receive described D2D detectable signal, and judge whether described D2D detectable signal meets default D2D communication standard;
When described D2D detectable signal meets described D2D communication standard, obtain the D2D-ID of described first user equipment.
6. method as claimed in claim 4, it is characterised in that before the step of the detectable signal of described reception first user equipment transmission, described method also includes:
Obtain the D2D-ID mapping relations to detectable signal, and receive the D2D-ID of described base station distribution.
7. method as claimed in claim 6, it is characterised in that the described acquisition D2D-ID step to the mapping relations of detectable signal, including:
Receive the described D2D-ID mapping relations to detectable signal; Or,
Preset the described D2D-ID mapping relations to detectable signal.
8. method as claimed in claim 5, it is characterised in that described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:
Master sync signal increases N number of index root, generates Zadoff-Chu sequence as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals; Or,
Master sync signal adds M index root, according to M index root generation Zadoff-Chu sequence after adding as D2D master sync signal, and using the honeycomb auxiliary synchronous signals after extending as D2D auxiliary synchronous signals.
9. method as claimed in claim 5, it is characterised in that described detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel.
10. the method quickly setting up D2D communication, it is characterised in that described method includes:
Receive the list of the carried out D2D communication that the second subscriber equipment sends, and store described list;
Receiving the D2D connection establishment request message that first user equipment sends, described D2D connection establishment request message comprises the D2D-ID of the ID of described second subscriber equipment, described first user equipment;
Ask message according to described D2D connection establishment, described in searching, can carry out whether D2D communication list includes described first user equipment;
If including, then send resource to described first user equipment and authorize signaling, set up D2D with described second subscriber equipment communicate so that described first user equipment authorizes signaling according to described resource;
Receive the D2D built vertical message of communication that described first user equipment sends.
11. method as claimed in claim 10, it is characterised in that before the step of the carried out D2D communication list of described reception the second subscriber equipment transmission, described method also includes:
Obtain the D2D-ID mapping relations to detectable signal, and send the D2D-ID of distribution to described first user equipment and the second subscriber equipment.
12. method as claimed in claim 11, it is characterised in that the described acquisition D2D-ID step to the mapping relations of detectable signal, including:
Receive the described D2D-ID mapping relations to detectable signal; Or,
Preset the described D2D-ID mapping relations to detectable signal.
13. method as claimed in claim 11, it is characterised in that described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:
The master sync signal of inheritance system increases N number of index root, generates Zadoff-Chu sequence as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals;Or,
The master sync signal of inheritance system increases M index root, according to M index root generation Zadoff-Chu sequence after increasing as D2D master sync signal, and using the honeycomb auxiliary synchronous signals after extending as D2D auxiliary synchronous signals.
14. method as claimed in claim 11, it is characterised in that described detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel.
15. the first user equipment quickly setting up D2D communication, it is characterised in that described first user equipment includes:
D2D detectable signal transmitting element, is used for generating D2D detectable signal, and sends described D2D detectable signal, so that the second subscriber equipment receives described D2D detectable signal, and obtains the D2D-ID of first user equipment according to described detectable signal;
D2D connection establishment request message sending unit, after sending at described D2D detectable signal transmitting element, send D2D connection establishment request message to base station, described D2D connection establishment request message comprises the ID of described second subscriber equipment and the D2D-ID of described first user equipment;
Resource is authorized signaling and is received unit, and after asking message sending unit to send for D2D connection establishment, the resource receiving base station transmission authorizes signaling;
D2D connection setup unit, for according to described resource authorize signaling receive unit receive resource authorize signaling set up D2D communication, and to base station send D2D communicate built vertical message;
Wherein, described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, or described detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel,
Wherein, the method for designing of described detectable signal includes:
The master sync signal of inheritance system increases N number of index root, generates Zadoff-Chu sequence as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals; Or, the master sync signal of inheritance system increases M index root, according to M index root generation Zadoff-Chu sequence after increasing as D2D master sync signal, and using the honeycomb auxiliary synchronous signals after extending as D2D auxiliary synchronous signals.
16. first user equipment as claimed in claim 15, it is characterised in that before described D2D detectable signal transmitting element sends, described first user equipment also includes:
Mapping relations acquiring unit, for obtaining the D2D-ID mapping relations to detectable signal;
D2D-ID receives unit, for receiving the D2D-ID of base station distribution.
17. first user equipment as claimed in claim 16, it is characterised in that described mapping relations acquiring unit, including:
Receive subelement, for receiving the described D2D-ID mapping relations to detectable signal; Or,
Preset subelement, for presetting the described D2D-ID mapping relations to detectable signal.
18. second subscriber equipment quickly setting up D2D communication, it is characterised in that described second subscriber equipment includes:
D2D detectable signal receives unit, for receiving the D2D detectable signal that first user equipment sends, and obtains the D2D-ID of described first user equipment;
List transmitting element, D2D-ID for described D2D detectable signal receives the first user equipment that unit obtains adds in the list that can carry out D2D communication, and described list is sent to base station, so that described base station is receiving the D2D connection establishment request message that described first user equipment sends, it is judged that whether the D2D-ID of described first user equipment is among described list;
D2D connection setup unit, for when base station judges that the D2D-ID of described first user equipment is among the list that described list transmitting element sends, setting up D2D with described first user equipment and communicate.
19. the second subscriber equipment as claimed in claim 18, it is characterised in that described D2D detectable signal receives unit and includes:
Judgment sub-unit, for judging whether the described D2D detectable signal received meets default D2D communication standard;
Obtain subelement, for when described judgment sub-unit judges that described D2D detectable signal meets described D2D communication standard, obtaining the D2D-ID of described first user equipment.
20. the second subscriber equipment as claimed in claim 18, it is characterised in that before described D2D detectable signal receives unit reception, described second subscriber equipment also includes:
Mapping relations acquiring unit, for obtaining the D2D-ID mapping relations to detectable signal;
D2D-ID receives unit, for receiving the D2D-ID of base station distribution.
21. the second subscriber equipment as claimed in claim 20, it is characterised in that described mapping relations acquiring unit, including:
Receive subelement, for receiving the described D2D-ID mapping relations to detectable signal;
Preset subelement, for presetting the described D2D-ID mapping relations to detectable signal.
22. the second subscriber equipment as claimed in claim 20, it is characterised in that described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:
The master sync signal of inheritance system increases N number of index root, generates Zadoff-Chu sequence as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals; Or,
The master sync signal of inheritance system increases M index root, according to M index root generation Zadoff-Chu sequence after increasing as D2D master sync signal, and using the honeycomb auxiliary synchronous signals after extending as D2D auxiliary synchronous signals.
23. the second subscriber equipment as claimed in claim 20, it is characterised in that described detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel.
24. the base station quickly setting up D2D communication, it is characterised in that described base station includes:
List reception unit, for receiving the list of the carried out D2D communication that the second subscriber equipment sends, and stores described list;
Connection establishment request message reception units, after receiving at described list reception unit, receiving the D2D connection establishment request message that first user equipment sends, described D2D connection establishment request message comprises the D2D-ID of the ID of described second subscriber equipment, described first user equipment;
Search unit, for asking the D2D connection establishment that message reception units receives to ask message according to described connection establishment, described in searching, can carry out whether D2D communication list includes described first user equipment;
Resource authorizes signaling transmitting element, for when the carried out D2D communication list that described lookup unit is searched includes described first user equipment, send resource to described first user equipment and authorize signaling, set up D2D with described second subscriber equipment communicate so that described first user equipment authorizes signaling according to described resource;
Built vertical message reception units, after authorizing the transmission of signaling transmitting element in described resource, receives the D2D built vertical message of communication that described first user equipment sends.
25. base station as claimed in claim 24, it is characterised in that before described list reception unit receives, described base station also includes:
Mapping relations acquiring unit, for obtaining the D2D-ID mapping relations to detectable signal;
D2D-ID transmitting element, for sending the D2D-ID of distribution to first user equipment and the second subscriber equipment.
26. base station as claimed in claim 25, it is characterised in that described mapping relations acquiring unit, including:
Receive subelement, for receiving the described D2D-ID mapping relations to detectable signal;
Preset subelement, for presetting the described D2D-ID mapping relations to detectable signal.
27. base station as claimed in claim 25, it is characterised in that described detectable signal is made up of D2D master sync signal and D2D auxiliary synchronous signals, and the method for designing of described detectable signal includes:
The master sync signal of inheritance system increases N number of index root, generates Zadoff-Chu sequence as D2D master sync signal according to the N number of index root after increasing, and using the auxiliary synchronous signals of inheritance system as D2D auxiliary synchronous signals; Or,
The master sync signal of inheritance system increases M index root, according to M index root generation Zadoff-Chu sequence after increasing as D2D master sync signal, and using the honeycomb auxiliary synchronous signals after extending as D2D auxiliary synchronous signals.
28. base station as claimed in claim 25, it is characterised in that described detectable signal is made up of D2D master sync signal, D2D auxiliary synchronous signals and Physical Broadcast Channel.
CN201310143807.6A 2013-04-24 2013-04-24 The method and apparatus quickly setting up D2D communication CN103369585B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310143807.6A CN103369585B (en) 2013-04-24 2013-04-24 The method and apparatus quickly setting up D2D communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310143807.6A CN103369585B (en) 2013-04-24 2013-04-24 The method and apparatus quickly setting up D2D communication

Publications (2)

Publication Number Publication Date
CN103369585A CN103369585A (en) 2013-10-23
CN103369585B true CN103369585B (en) 2016-06-08

Family

ID=49369889

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310143807.6A CN103369585B (en) 2013-04-24 2013-04-24 The method and apparatus quickly setting up D2D communication

Country Status (1)

Country Link
CN (1) CN103369585B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3053403B1 (en) * 2013-10-03 2019-04-17 LG Electronics Inc. Method and apparatus for transmitting device-to-device related information in wireless communication system
CN104640056A (en) 2013-11-07 2015-05-20 中兴通讯股份有限公司 Method and device for selection and resource distribution of control node
WO2015100592A1 (en) * 2013-12-31 2015-07-09 上海贝尔股份有限公司 Method and device for managing time-frequency resource in device-to-device (d2d) communications
CN104812053B (en) * 2014-01-24 2019-11-26 中兴通讯股份有限公司 The transmission method and system, transmitting terminal and receiving end of D2D communication synchronization channel
WO2015109433A1 (en) * 2014-01-24 2015-07-30 中兴通讯股份有限公司 Method and system for transmitting d2d communication synchronization signal, sending end, and reception end
JP2017509221A (en) * 2014-01-26 2017-03-30 エルジー エレクトロニクス インコーポレイティド Synchronization signal and synchronization channel transmission method in radio communication system supporting inter-terminal communication, and apparatus therefor
CA2937924C (en) 2014-01-26 2019-01-15 Huawei Technologies Co., Ltd. Resource configuration method and apparatus
CN106575993A (en) * 2014-08-06 2017-04-19 夏普株式会社 Synchronization signals for device-to-device communications
CN104219758A (en) * 2014-08-08 2014-12-17 中兴通讯股份有限公司 D2D communication method and device
WO2016072222A1 (en) * 2014-11-07 2016-05-12 株式会社Nttドコモ User equipment and d2d synchronization signal transmission method
CN106211027A (en) * 2014-12-25 2016-12-07 北京三星通信技术研究有限公司 A kind of method and apparatus realizing D2D terminal Time and Frequency Synchronization
CN108270709A (en) * 2016-12-30 2018-07-10 维沃移动通信有限公司 A kind of synchronizing signal configuration method, base station and terminal

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102547984A (en) * 2012-02-23 2012-07-04 华为技术有限公司 Method and device for paging in device-to-device communication
CN102857901A (en) * 2012-09-12 2013-01-02 中兴通讯股份有限公司 Device discovery method, device discovery processing method and device discovering processing device
CN103024924A (en) * 2011-09-28 2013-04-03 华为技术有限公司 Connection establishment method, device and system for D2D (device-to-device) terminals
CN103037448A (en) * 2011-09-30 2013-04-10 华为技术有限公司 Content publishing method and user device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8509105B2 (en) * 2010-06-23 2013-08-13 Nokia Corporation Method and apparatus for device-to-device network coordination
CN102711105B (en) * 2012-05-18 2016-03-02 华为技术有限公司 The method, the Apparatus and system that communicate is carried out by mobile communications network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103024924A (en) * 2011-09-28 2013-04-03 华为技术有限公司 Connection establishment method, device and system for D2D (device-to-device) terminals
CN103037448A (en) * 2011-09-30 2013-04-10 华为技术有限公司 Content publishing method and user device
CN102547984A (en) * 2012-02-23 2012-07-04 华为技术有限公司 Method and device for paging in device-to-device communication
CN102857901A (en) * 2012-09-12 2013-01-02 中兴通讯股份有限公司 Device discovery method, device discovery processing method and device discovering processing device

Also Published As

Publication number Publication date
CN103369585A (en) 2013-10-23

Similar Documents

Publication Publication Date Title
ES2392666T3 (en) Methods and apparatus for differentiated transfer by cell type in a mobile communication system
JP5335941B2 (en) System and method for performing soft handoff between frequency division duplex and time division duplex communication systems
JP6364410B2 (en) Small cell discovery method and apparatus
US8848700B2 (en) Method for device-to-device communication based on cellular telecommunication system
US20130005377A1 (en) Method and Apparatus for Device-to-Device Communication Setup
EP2739082B1 (en) Load sharing method, device, and system
JP5420660B2 (en) Method and apparatus for using multiple frequency bands for communication
EP1565030A1 (en) Method for selecting a communications network, based on information about wireless LAN access points transmitted by a cellular network
US8478262B2 (en) Method and apparatus for delegating signal quality handover measuring of a user equipment in wireless communication to a neighbouring user equipment
KR101579819B1 (en) Methods and apparatus for controlling interference from peer discovery in wwan
EP1641293A1 (en) Cell search method and mobile communication terminal
JP4382348B2 (en) Service priority in multi-cell networks
RU2387095C2 (en) Method and device for step-by-step activation of communication system
RU2471312C2 (en) User terminal and system of radio communication
EP2056609A1 (en) Base station, mobile station, and cell selecting method
KR101490115B1 (en) Selecting a cell Associated with a Radio Access Technology
Wang et al. On the performance of spectrum handoff for link maintenance in cognitive radio
TW200408286A (en) Wireless communication method and system with controlled WTRU peer-to-peer communications
TW200937988A (en) Communication apparatus and method for handling collided paging occasions
CN103179669B (en) The resource allocation methods of D2D communication in a kind of long evolving system
KR20130035964A (en) Method for device-to-device communication based on cellular telecommunication system
WO2011082636A1 (en) An access implementing method and device for machine to machine core network
US9179375B2 (en) Method for controlling connection configuration by femto base station and method for configuring connection by terminal
US20090023460A1 (en) System and method for setting up P2P communication group in cellular system, and P2P communication system and method using P2P communication group
EP1779602A1 (en) Method and apparatus for dynamic frequency reuse

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant