CN103096290B

CN103096290B - Apparatus for establishing is to the methods, devices and systems of equipment connection

Info

Publication number: CN103096290B
Application number: CN201110343964.2A
Authority: CN
Inventors: 周卫华; 吴晓波; 劳伦斯·梅里奥
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2011-11-03
Filing date: 2011-11-03
Publication date: 2016-03-09
Anticipated expiration: 2031-11-03
Also published as: WO2013064121A1; CN103096290A

Abstract

The invention discloses the methods, devices and systems of a kind of apparatus for establishing to equipment connection, belong to communication technical field.Described method comprises: device-to-device D2D server obtains the log-on message needing the first equipment carrying out D2D communication; According to the log-on message of described first equipment, pre-matching is performed to described first equipment and finds the second equipment; Request is started respectively to described first equipment and described second equipment initiating communication, trigger described first equipment and described second equipment respectively by MME and evolved base station eNB belonging to it, set up the communication link of D2D at described first equipment and described second equipment room.The present invention triggers eNB by MME belonging to UE and sets up D2D connection between both devices, make the establishment of connection between two equipment and use and can obtain network-based control, thus achieve operator to the control of D2D, management, chargings etc., can ensure that D2D is controlled for the interference of common UE.

Description

Apparatus for establishing is to the methods, devices and systems of equipment connection

Technical field

The present invention relates to communication technical field, particularly a kind of apparatus for establishing is to the methods, devices and systems of equipment connection.

Background technology

D2D (Device-to-Device, device-to-device) technology makes transmission and the exchange that directly can carry out data between two equipment.At present, there are multiple technologies can support the communication of D2D, as technology such as bluetooth, super-broadband tech (UWB).

The method of being undertaken communicating by wireless network between D2D mainly comprises: the device broadcasts character string in D2D equipment, understands its identity characteristic, the content of application service and broadcast to facilitate another equipment in this D2D equipment.After the user of another equipment in this D2D equipment receives this character string, if mated with the interest of user oneself, and want to obtain more detailed information, then send " paging " signaling to the equipment of in D2D equipment, after an equipment in D2D equipment receives, just another equipment directly and in this D2D equipment connects, and after the communication link between two equipment is successfully established, just can carry out transfer of data.

D2D equipment has the function of cognitive communications Radio Resource, namely autonomous impression external environment, and according to cognition to result carry out autonomous resource management and configuration, and the foundation of the D2D link of equipment room and management etc., need not network-based control and distribution, but, when there is congestion situation in network, the transfer of data between D2D equipment can be affected.

Summary of the invention

The invention provides the methods, devices and systems of a kind of apparatus for establishing to equipment connection, for effectively network control and resource management can be carried out to the communication of D2D.

On the one hand, provide a kind of method that apparatus for establishing connects to equipment D2D, described method comprises:

Device-to-device D2D server obtains the log-on message needing the first equipment carrying out D2D communication;

Described D2D server is according to the log-on message of described first equipment, and perform pre-matching to described first equipment and find the second equipment, described first equipment and the second equipment are two equipment that D2D communicates;

Described D2D server communicates respectively to described first equipment and described second equipment initiation D2D and starts request, trigger described first equipment and described second equipment respectively by MME (Mobilitymanagemententity belonging to it, mobile management entity) and eNB (evolvedNodeBase, evolved base station), the communication link of D2D is set up at described first equipment and described second equipment room.

Evolved base station eNB receiving equipment passes through carrying foundation or the modify request messages of the Mobility Management Entity MME transmission belonging to it to the first equipment in equipment D2D, described carrying foundation or modify request messages comprise the mark of described first equipment and the second equipment, and described carrying foundation or bearing modification message indicate the communication link of D2D described in described first equipment and described second equipment use to carry the Business Stream of the first equipment and described second devices communicating; Described first equipment and described second equipment are two equipment that D2D communicates;

Described first equipment and described second equipment, according to the mark of described first equipment and the second equipment, are bound, are set up the communication link of the D2D of described first equipment and described second equipment room by described eNB.

On the one hand, additionally provide a kind of method that apparatus for establishing connects to equipment D2D, described method comprises:

The first equipment in D2D communication sends log-on message to D2D server, make described D2D server according to described log-on message, the second equipment in finding D2D to communicate to described first equipment execution pre-matching, sends communication to the second equipment described in described first equipment and starts request;

The communication receiving the transmission of described D2D server starts request, by mobile management entity MME belonging to it and evolved base station eNB, sets up the communication link of D2D at described first equipment and described second equipment room.

On the other hand, provide a kind of device-to-device D2D server, described server comprises:

Acquisition module, for obtaining the log-on message of the first equipment needing to carry out D2D communication;

Pre-matching module, for the log-on message of described first equipment obtained according to described acquisition module, performs pre-matching to described first equipment and finds the second equipment; Described first equipment and described second equipment are two equipment that D2D communicates;

Trigger module, after finding described second equipment for described pre-matching module, communicate respectively to described first equipment and described second equipment initiation D2D and start request, trigger described first equipment and described second equipment respectively by mobile management entity MME and evolved base station eNB belonging to it, set up the communication link of D2D at described first equipment and described second equipment room.

On the other hand, additionally provide a kind of evolved base station eNB, described base station comprises:

Transport module, pass through carrying foundation or the modify request messages of the Mobility Management Entity MME transmission belonging to it to the first equipment in equipment D2D for receiving equipment, described carrying foundation or modify request messages comprise the mark of described first equipment and the second equipment, and described carrying foundation or bearing modification message indicate the communication link of D2D described in described first equipment and described second equipment use to carry the Business Stream of the first equipment and described second devices communicating; Described first equipment and described second equipment are two equipment that D2D communicates;

Processing module, for the mark according to described first equipment and the second equipment, binds described first equipment and described second equipment, sets up the communication link of the D2D of described first equipment and described second equipment room.

On the other hand, additionally provide the first equipment in a kind of D2D, described equipment comprises:

Transport module, for sending log-on message to D2D server, make described D2D server according to described log-on message, the second equipment in finding D2D to communicate to described first equipment execution pre-matching, sends communication to the second equipment described in described first equipment and starts request;

Know module, the communication sent for receiving described D2D server starts request, by mobile management entity MME belonging to it and evolved base station eNB, sets up the communication link of D2D at described first equipment and described second equipment room.

On the other hand, additionally provide the system that a kind of apparatus for establishing connects to equipment D2D, described system comprises: the first equipment in D2D server as above, eNB as above and D2D as above and the second equipment.

Embodiments provide a kind of method that apparatus for establishing connects to equipment D2D, the log-on message needing the first equipment carrying out D2D communication is obtained by D2D server, described D2D server is according to the log-on message of described first equipment, pre-matching is performed to described first equipment and finds the second equipment, described first equipment and the second equipment are two equipment in D2D, described D2D server communicates respectively to described first equipment and described second equipment initiation D2D and starts request, trigger described first equipment and described second equipment respectively by mobile management entity MME and evolved base station eNB belonging to it, the communication link of D2D is set up at described first equipment and described second equipment room.Make between two equipment, to set up D2D to connect, thus network is controlled, achieve operator effectively to control D2D communication, manage or the function such as charging, compared with prior art simultaneously, after setting up D2D connection, because network can be controlled effectively, can eliminate further because D2D communicates the interference brought to UE.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, 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 prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is a kind of flow chart setting up the method that D2D connects provided in the embodiment of the present invention;

Fig. 2 is a kind of flow chart setting up the method that D2D connects provided in the embodiment of the present invention;

Fig. 3 is a kind of flow chart setting up the method that D2D connects provided in the embodiment of the present invention;

Fig. 4 is a kind of network architecture schematic diagram provided in the embodiment of the present invention;

Fig. 5 is a kind of flow chart setting up the method that D2D connects provided in the embodiment of the present invention;

Fig. 6 is a kind of message flow chart set up D2D and connect provided in the embodiment of the present invention;

Fig. 7 is the schematic diagram of a kind of D2D server provided in the embodiment of the present invention;

Fig. 8 is the schematic diagram of the another kind of D2D server provided in the embodiment of the present invention;

Fig. 9 is the schematic diagram of a kind of evolved base station provided in the embodiment of the present invention;

Figure 10 is the schematic diagram of the first equipment in a kind of D2D provided in the embodiment of the present invention;

Figure 11 is the schematic diagram of the first equipment in the another kind of D2D provided in the embodiment of the present invention;

Figure 12 is a kind of schematic diagram setting up the system that D2D connects provided in the embodiment of the present invention.

Embodiment

In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.

Existing network comprises the first equipment, the second equipment, the 3rd equipment and base station, first equipment and the second equipment autonomously connect, and autonomous management and configuration are carried out to the Radio Resource perceived, thus Radio Resource need not be controlled and distribute by network, because there is no authentication and the certification of Operation Network, there is no the reasonable distribution of resource, and disturb the mechanism such as control, so there is the congested transmission that can affect data in network yet.Such as when the first equipment and the second equipment transmission data, base station and the first devices communicating or base station and the second devices communicating or base station and the 3rd devices communicating or the interference between the first equipment and the 3rd equipment can be subject to, the communication quality of network will be affected like this.

In order to solve the problem, the invention provides following technical scheme:

See Fig. 2, present embodiments provide a kind of method that apparatus for establishing connects to equipment D2D, comprising:

101: device-to-device D2D server obtains the log-on message needing the first equipment carrying out D2D communication;

102: described D2D server is according to the log-on message of described first equipment, and perform pre-matching to described first equipment and find the second equipment, described first equipment and the second equipment are two equipment that D2D communicates;

103: described D2D server communicates respectively to described first equipment and described second equipment initiation D2D and starts request, trigger described first equipment and described second equipment respectively by MME and eNB belonging to it, set up the communication link of D2D at described first equipment and described second equipment room.

Method in the present embodiment also comprises:

Described D2D server receives needs the facility registration information of carrying out D2D communication, and described facility registration information comprises: the positional information of the D2D mark of equipment, application identities and equipment.

In the present embodiment, alternatively, if the information that the application that the log-on message of described first equipment also comprises described first equipment is correlated with, then the described log-on message according to described first equipment, performs pre-matching to described first equipment and finds the second equipment, comprising:

Obtain the log-on message of pre-stored equipment according to the positional information in described first facility registration information, the distance between described pre-stored equipment and described first equipment is in preset range;

If the information that the application of the information relevant to the application of an equipment in described pre-stored equipment and described first equipment is relevant is consistent; Then confirm that an equipment in described pre-stored equipment is the second equipment that pre-matching arrives.

Alternatively, in the present embodiment, if the log-on message of described first equipment that described device-to-device D2D server obtains also comprises the mark of described second equipment, according to the log-on message of described first equipment, pre-matching is performed to described first equipment and finds the second equipment to comprise:

According to the mark of described second equipment, pre-matching is performed to described first equipment and finds described second equipment.

Alternatively, in the present embodiment, the described log-on message according to described first equipment, after finding the second equipment, also comprises described first equipment execution pre-matching:

The log-on message of described second equipment is sent to described first equipment by described D2D server, makes described first equipment carry out pre-detection according to the log-on message of described second equipment to described second equipment;

Receive the successful result of pre-detection of described first equipment, according to described pre-detection results verification, whether the second equipment can communicate with described first equipment.

Further, alternatively, if described D2D server receives the successful result of pre-detection of described first equipment, after confirming that described second equipment can communicate with described first equipment, also comprise:

The log-on message of described first equipment is sent to described second equipment by described D2D server, makes described second equipment carry out pre-detection according to the log-on message of described first equipment to described first equipment;

Described D2D server receives the successful result of pre-detection of described second equipment, confirms whether described first equipment can communicate with described second equipment.

In the present embodiment, described D2D server is initiated D2D respectively to described first equipment and described second equipment and is communicated and start request and comprise:

Described D2D server is initiated D2D carrying respectively to described first equipment and described second equipment and is set up or modify request messages, and described carrying foundation or modify request messages comprise the Qos parameter that the mark of the first equipment and the second equipment and D2D carry.

In the present embodiment, described D2D server communicates respectively to described first equipment and described second equipment initiation D2D and starts request, trigger described first equipment and described second equipment respectively by mobile management entity MME and evolved base station eNB belonging to it, set up the communication link of D2D at described first equipment and described second equipment room, comprising:

Described D2D server is initiated D2D carrying respectively to described first equipment and described second equipment and is set up request message, trigger described first equipment and described second equipment by the MME belonging to it, SGW (ServingGateway, gateway) and PGW (PublicDataNetworkGateway, public data network gateway) send bearing resource command messages, described bearing resource command messages carries the mark of the first equipment and the second equipment, and described first equipment and described second equipment are by the PGW belonging to it, SGW and MME sends carrying respectively to evolved base station eNB and sets up or modify request messages, described carrying foundation or modify request messages carry the mark of the first equipment and the second equipment, described first equipment and described second equipment are bound according to the mark of described first equipment and the second equipment to make described eNB, set up the communication link of the D2D of described first equipment and described second equipment room.

The beneficial effect of embodiment of the method provided by the invention is: obtained the log-on message needing the first equipment carrying out D2D communication by D2D server, described D2D server is according to the log-on message of described first equipment, pre-matching is performed to described first equipment and finds the second equipment, described first equipment and the second equipment are two equipment in D2D, described D2D server communicates respectively to described first equipment and described second equipment initiation D2D and starts request, trigger described first equipment and described second equipment respectively by mobile management entity MME and evolved base station eNB belonging to it, the communication link of D2D is set up at described first equipment and described second equipment room, make between two equipment, to set up D2D to connect, thus network is controlled, achieve operator can effectively control D2D communication, the functions such as management or charging, compared with prior art simultaneously, after setting up D2D connection, because network can be controlled effectively, can eliminate further because D2D communicates the interference brought to UE.

201: evolved base station eNB receiving equipment passes through carrying foundation or the modify request messages of the MME transmission belonging to it to the first equipment in equipment D2D, described carrying foundation or modify request messages comprise the mark of described first equipment and the second equipment, and described carrying foundation or bearing modification message indicate the communication link of D2D described in described first equipment and described second equipment use to carry the Business Stream of the first equipment and described second devices communicating; Described first equipment and described second equipment are two equipment that D2D communicates;

Described first equipment and described second equipment, according to the mark of described first equipment and the second equipment, are bound, are set up the communication link of the D2D of described first equipment and described second equipment room by 202: described eNB.

In the present embodiment, eNB receives carrying foundation that the first equipment in D2D sent by the MME belonging to it or modify request messages comprises:

The first equipment received in D2D passes through carrying foundation or the modify request messages of the MME transmission belonging to it, described carrying foundation or modify request messages carry the mark of described first equipment and the second equipment, so that via public data network gateway PGW belonging to the first equipment, gateway SGW and Mobility Management Entity MME and the PGW belonging to described second equipment, close SGW and MME, according to the mark of described first equipment and the second equipment, described first equipment and described second equipment are bound, set up the communication link of the D2D of described first equipment and described second equipment room.

The beneficial effect of embodiment provided by the invention is: described D2D server communicates respectively to described first equipment and described second equipment initiation D2D and starts request, trigger described first equipment and described second equipment respectively by mobile management entity MME and evolved base station eNB belonging to it, the communication link of D2D is set up at described first equipment and described second equipment room, make between two equipment, to set up D2D to connect, thus network is controlled, achieve operator can effectively control D2D communication, the functions such as management or charging, compared with prior art simultaneously, after setting up D2D connection, because network can be controlled effectively, can eliminate further because D2D communicates the interference brought to UE.

See Fig. 3, present embodiments provide a kind of method that apparatus for establishing connects to equipment D2D, comprising:

The first equipment in 301:D2D communication sends log-on message to D2D server, makes described D2D server according to described log-on message, the second equipment in finding D2D to communicate to described first equipment execution pre-matching;

302: the communication receiving the transmission of described D2D server starts request, by mobile management entity MME belonging to it and evolved base station eNB, sets up the communication link of D2D at described first equipment and described second equipment room.

In the present embodiment, described log-on message comprises: the positional information of the D2D of equipment mark, application identities and equipment.

Alternatively, in the present embodiment, described first equipment sends after log-on message to D2D server, also comprises:

Described first equipment receives the log-on message of the second equipment that described D2D server sends;

Described first equipment carries out pre-detection according to the log-on message of described second equipment to described second equipment, to confirm whether described second equipment can communicate with described first equipment.

In the present embodiment, the communication that the described D2D server of described reception sends starts request and comprises:

Receive the D2D carrying that described D2D server initiates to set up or modify request messages, described carrying foundation or modify request messages comprise the Qos parameter that the mark of the first equipment and the second equipment and D2D carry.

In the present embodiment, the communication that the described D2D server of described reception sends starts request, and by MME and eNB belonging to it, the communication link setting up D2D at described first equipment and described second equipment room comprises:

The communication receiving the transmission of described D2D server starts request, by the MME belonging to it, gateway SGW and public data network gateway PGW sends bearing resource command messages, described bearing resource command messages carries the mark of described first equipment and the second equipment, and described first equipment and described second equipment are by the PGW belonging to it, SGW and MME sends carrying respectively to eNB and sets up or modify request messages, described carrying foundation or modify request messages carry the mark of the first equipment and the second equipment, described first equipment and described second equipment are bound according to the mark of described first equipment and the second equipment to make described eNB, set up the communication link of the D2D of described first equipment and described second equipment room.

The beneficial effect of embodiment provided by the invention is: obtained the log-on message needing the first equipment carrying out D2D communication by device-to-device D2D server, described D2D server is according to the log-on message of described first equipment, pre-matching is performed to described first equipment and finds the second equipment, described D2D server communicates respectively to described first equipment and described second equipment initiation D2D and starts request, trigger described first equipment and described second equipment respectively by MME and eNB belonging to it, the communication link of D2D is set up at described first equipment and described second equipment room, make between two equipment, to set up D2D to connect, thus network is controlled, achieve operator can effectively control D2D communication, the functions such as management or charging, compared with prior art simultaneously, after setting up D2D connection, because network can be controlled effectively, can eliminate further because D2D communicates the interference brought to UE.

Present embodiments provide the method for a kind of apparatus for establishing to equipment connection, in the present embodiment, reuse the existing network standard as much as possible; Complete D2D solution is built based on the method, comprise application layer, network layer and Access Network, this D2D solution can seating surface to the D2D operation mode of operator, as the issue, control, interference control and charging etc. of supporting operator to apply for various D2D.Network architecture shown in Figure 4, in the architecture, configures a D2D server and is used for the registration that those UE wishing that use D2D carries out communicating carry out D2D information in network.D2D server in the present embodiment can be the server newly increased in a network, also can be to expand the function of server existing in network, realizes the function of D2D server, is not specifically limited this present embodiment.According to the D2D information of a UE registration, D2D server carries out pre-matching to find to carry out with this UE another UE that D2D communicates, two UE that may carry out communicating trigger SGW, PGW successively by MME belonging to it, set up D2D carrying foundation/amendment request the most at last and send to eNB, eNB according to the carrying for D2DUE carrying out automatic network set up/revise request, control relevant UE to measure, find and D2D link establishment.

See Fig. 5, a kind of apparatus for establishing that the embodiment of the present invention provides specifically comprises to the method for equipment connection:

401: the first equipment needing to carry out D2D communication by its information registering on D2D server.

In the present embodiment, the equipment needing to carry out D2D communication by the information registering of self on D2D server so that D2D server issues its D2D information on network.

In the present embodiment, optionally, if UE can monitor existence and some application related information of D2DUE around, D2D as UE identifies (D2DID), APPID (ApplicationIDentity, application identities) etc., then UE monitors D2DUE around, and to obtain the information of D2DUE around, around this, the Information Availability of D2DUE is in the pre-matching of D2D server.But in the application of reality, some UE does not have monitor function, for this step not having the UE of monitor function just need not perform the relevant information obtaining D2DUE around.

In the present embodiment, for those, the D2D server configured in network wishes that the UE using D2D to carry out communicating carries out the registration of D2D information, and D2D server will safeguard the D2D information of all UE registration.The information of registration at least comprises: the positional information of the D2DID of equipment, application identities and equipment.

In the present embodiment, the D2DID of UE can be: 1) a kind of identifier of whole new definition, and the UE that each support D2D communicates distributes a unique identifier; Or 2) IMSI can be used as D2DID; Or SIPURI (IPUniformResourceIdentifier, SIP identifier) 3) can be reused; Or the unique identifier that 4) network can be used to distribute for UE, as S-TMSI (S-TMSIS-TemporaryMobileSubscriberIdentity, S Temporary Mobile Subscriber Identifier), P-TMSI (PacketTemporaryMobileSubscriberIdentity, packet domain temporary mobile subscriber identifier), GUTI (GloballyUniqueTemporaryIdentity, globally unique interim subscriber identity symbol) etc.The positional information of UE comprises UE place community ID, if or UE can obtain oneself GPS (GlobalPositioningSystem, global positioning system) information, the positional information of UE also comprises the GPS of UE.

Further, alternatively, log-on message can also comprise at least one information in following information, but is also not limited thereto:

1) mark of object UE: if UE has clear and definite D2D communication target UE, UE also can be distributed to D2D server the mark of this object UE;

2) the IP address for D2D communication of UE;

3) information that application is relevant, as the advertisement name of hope sending/receiving or summary, wish the name etc. of game of carrying out, and in the future for setting up the out of Memory needed for D2D link, medium type, video code model as selected, and the parameter such as QoS;

4) for the information of UE pre-detection, this category information can assist UE will carry out D2D communication to it, and object UE carries out pre-detection, and judges whether can support that D2D communicates with its airlink quality, reduces the possibility that D2D carrying foundation is failed;

5) the UE list that measures of premonitoring, the log-on message of the surrounding D2DUE that UE monitors is stored in this list, if UE can before this by other mechanism, as monitored the D2D broadcast message that other UE sends, found available D2DUE around, this UE also can be distributed to D2D server these UE.

402: based on the information of a UE registration, D2D server performs pre-matching to a UE, find to carry out with it the 2nd UE that D2D communicates.

In the present embodiment, based on the D2D information of a UE registration, as the positional information etc. of application related information and a UE, D2D server performs pre-matching to a UE, finds to carry out with it the 2nd UE that D2D communicates.Qualified 2nd UE first should position close, as having identical community ID; Secondly, qualified 2nd UE should be interested in identical application, as selected identical game etc.So, according to the log-on message of described first equipment, pre-matching is performed to described first equipment and finds the second equipment, comprise: the log-on message obtaining pre-stored equipment according to the positional information in described first facility registration information, the distance between described pre-stored equipment and described first equipment is in preset range; If the information that the application of the information relevant to the application of an equipment in described pre-stored equipment and described first equipment is relevant is consistent; Then confirm that an equipment in described pre-stored equipment is the second equipment that pre-matching arrives.In the present embodiment, pre-stored equipment can be one or multiple, is not specifically limited this present embodiment.

Alternatively, in the present embodiment, if a UE has clear and definite D2D communication target device, then the mark of this target device is covered in the log-on message of this UE, be registered on D2D server together, then when this UE needs to carry out D2D communication, D2D server can directly select this UE according to the mark of this target terminal.If UE provides the D2DUE list of candidate, then D2D server only needs to carry out pre-matching according to the UE in list.So alternatively, according to the log-on message of described first equipment, pre-matching is performed to described first equipment and finds the second equipment, comprising: according to the mark of described second equipment, pre-matching is performed to described first equipment and finds described second equipment.In the present embodiment, D2D server to a UE pre-matching to the 2nd UE.

Pre-detection is carried out between 403: the one UE and the 2nd UE.

In the present embodiment, D2D server performs pre-matching for certain UE, obtains the UE likely carrying out D2D communication.If D2D server is that a UE performs pre-matching, find that the 2nd UE can as the candidate D2DUE of a UE.Then D2D server initiates to confirm flow process, to a UE send pre-matching to the log-on message of the 2nd UE, a UE carries out pre-detection according to the log-on message of the 2nd UE to the 2nd UE, confirms whether the 2nd UE can carry out D2D with it and communicate.The information for pre-detection is carried in log-on message, and D2DID, positional information etc.

In the present embodiment, D2D server is, after the 2nd UE performs pre-matching, likely find multiple candidate D2DUE.Now, D2D server can select one of them or multiple, order or parallel carrying out to confirm flow process, and the present embodiment is not specifically limited this.

In the present embodiment, a UE if this message carries the pre-detection information of UE, then uses this information and executing pre-detection, and judges whether that can carry out D2D with this UE communicates according to the information of pre-detection after receiving the candidate D2DUE instruction from D2D server.If this UE can not be listened at all, then show that can not carry out D2D with this UE communicates.If from the pre-detection information of not carrying UE in the message of D2D server, or current UE does not support the function of pre-detection, then UE skips this step of pre-detection, direct basis judges from the out of Memory of D2D server, as positional information etc., estimate whether the 2nd UE can communicate with a UE.

In the present embodiment, a UE is after having carried out pre-detection, and to the acknowledge message of D2D server feedback for candidate D2DUE, whether the UE recommended as D2D server is optional.Further, a UE can also to the D2D information of D2D server update oneself, as position etc.

In the present embodiment, if to D2D server, a UE confirms that the 2nd UE can carry out D2D communication, D2D server is optionally initiated identical UE to the 2nd UE and is confirmed flow process, confirm that to ask the 2nd UE whether a UE is optional, main purpose avoids D2D carrying below to set up failed possibility, as the reason based on interference, even if a UE can detect the 2nd UE, the 2nd UE not necessarily always can detect a UE.Concrete confirmation flow process is the same with the confirmation flow process of a UE, and the present embodiment repeats no more this.

It is pointed out that step 403 is optional, D2D server also only can initiate step 404 according to the result of the pre-matching of oneself.

404: after D2D server receives the pre-detection successful result that a UE and the 2nd UE feed back, initiate D2D respectively to a UE and the 2nd UE and communicate and start to ask.

In the present embodiment, after the acknowledge message that D2D server receives from a UE and the 2nd UE, namely illustrate that a UE can use D2D to communicate with the 2nd UE.D2D server is then initiated D2D respectively to a UE and the 2nd UE and to be communicated beginning request message, instruction the one UE and the 2nd UE initiate to carry set up/modification process to be to trigger the D2D link set up between a UE and the 2nd UE.Wherein, described carrying set up/amendment message comprises the Qos parameter that the mark of the first equipment and the second equipment and D2D carry.

405: the one UE and the 2nd UE, respectively by MM and eNB belonging to it, set up the communication link of direct D2D between a UE and the 2nd UE.

In the present embodiment, see Fig. 6, a UE and the 2nd UE triggers respectively by MME belonging to it communication link that eNB sets up direct D2D between a UE and the 2nd UE, comprising:

1) UE and the 2nd UE sends bearing resource modify request messages to its respective MME.

In the present embodiment, after receiving the D2D link establishment Indication message from D2D server, a UE and the 2nd UE sends bearing resource to its respective MME and sets up or modify request messages, is that a UE and the 2nd UE set up D2D link to trigger eNB.This message needs the enhancing of following message content, but is not limited to these enhancing contents:

A) D2DID of two UE; In the present embodiment, MME obtains the corresponding IMSI of this D2DID from HSS (HomeSubscriberServer, home subscriber subscribed services device) alternatively, and uses IMSI as D2DID in flow process below and message.

B) D2DIndication, is used to indicate this message of MME and is D2D link for setting out between UE and triggers.

In the present embodiment, it is for D2D carrying that the existence of the D2DID of two UE has described this message, therefore also can not comprise D2DIndication information in this message.

2) MME belonging to each UE can send bearing resource command messages to the SGW belonging to this UE.

In the present embodiment, MME belonging to one UE can send bearing resource command messages (BearerResourceCommand) to the SGW belonging to a UE, carry D2DID and D2DIndication of two UE in message, the MME belonging to the 2nd UE can send bearing resource command messages to the SGW belonging to the 2nd UE.

3) the SGW continuation belonging to each UE is forwarded to the PGW belonging to this UE bearing resource command messages.

4) PGW belonging to each UE sends load creating message (CreateBearerRequest) or bearing modification message (BearerModifyRequest) to the SGW belonging to each UE, and carries the D2DID of D2DIndication and two UE.

In the present embodiment, one UE and the PGW belonging to the 2nd UE receives above-mentioned bearing resource command messages, SGW belonging to it sends load creating message or bearing modification message, and described establishment/amendment bearer messages instruction UE uses D2D link to carry the Business Stream matched with TFT in this message.

Alternatively, in the present embodiment, if be configured with PCRF in network, before the PGW belonging to UE sends load creating message or bearing modification message to the SGW belonging to each UE, also comprise: the PGW belonging to UE is to the PCRF interactive strategy belonging to each UE and charging control message.

5) the SGW continuation belonging to each UE is forwarded to the MME belonging to this UE load creating message or bearing modification message.

6) load creating message or bearing modification message are sent to eNB by the MME belonging to each UE.

In this example, if eNB receives from MME the D2DID carrying D2DIndication and two UE the BearerSetupRequest/BearerModifyRequest message for a UE, this eNB knows that this message calls is that this UE and another UE current sets up D2D and carries.But eNB can not find its context according to the D2DID of another UE.ENB now can postpone the process to this message, and waiting for that the BearerSetupRequest/BearerModifyRequest message of carrying the D2DID of identical two UE for another UE arrives, is the 2nd UE in the present embodiment.When receiving the message for the 2nd UE, eNB gets up to initiate follow-up D2D link establishment flow process two UE bindings that two message of carrying identical D2DID are correlated with.

It should be noted that, in the present embodiment, if eNB can identify the D2DID of another UE, and find the log-on message of its correspondence according to this D2DID.Such as C-RNTI (CellRadioNetworkTemporaryIdentifier, the interim indications in UE community) when being used to D2DID, eNB can identify this C-RNTI and the context finding UE corresponding according to it, then eNB does not need the arrival of wait second BearerSetupRequest/BearerModifyRequest message first can carry out the binding of two D2DUE.

In the present embodiment, after eNB completes the binding of D2DUE, then can controlling two UE and find mutually, on certain physical resource, sending specific information as configuring a UE, and configure another UE and carry out monitoring this information on identical physical resource.If this UE successfully can listen to the information that another UE sends, then represent that these two UE can carry out D2D communication.Then, eNB configures D2D link related information respectively for these two UE, as the ID of D2D link, and related physical resource etc.After D2D link establishment completes, it is normal to confirm D2D antenna efficiency that this D2D link of use is sent mutually specific handshake information by two UE.After D2D link establishment process terminates, eNB to MME feed back D2D carrying set up result, as D2D carrying whether be successfully established, MME, SGW, PGW and PCRF successively feedback message to D2D server.In the present embodiment, if UE is general mode from D2D mode-conversion, eNB informs the pattern that EPC network UE is current equally.

It should be noted that, if D2D link is not successfully set up, eNB can continue as two UE and set up normal little area carrier, to ensure that the communication between UE normally can be carried out by cell pattern.

In addition, D2D business is established because UEAS (AccessStratum, Access Layer) layer can perceive, UEAS layer notice UENAS layer, UENAS (Non-Access-Stratum, Non-Access Stratum) layer can notify EPC network, and UE is using D2D pattern communication.In like manner, if UE is general mode from D2D mode-conversion, UENAS layer informs the pattern that EPC network UE is current equally.

In the present embodiment, after D2D link establishment success, two UE can use D2D to communicate.If D2D link is not successfully set up, then cell pattern can be used to communicate.

In the present embodiment, the D2DID of D2DIndication, two D2DUE can with the enhancing support on lower interface, the bearing resource modify request messages between UE and MME; Bearing resource command messages on S11 interface between MME and SGW, and carrying foundation/modify request messages; Bearing resource command messages on S5/S8 interface between PGW and SGW, and carrying foundation/modify request messages; Carrying foundation/modify request messages on S1 interface between MME and eNB.

The beneficial effect of embodiment of the method provided by the invention is: obtained the log-on message needing the first equipment carrying out D2D communication by D2D server, described D2D server is according to the log-on message of described first equipment, pre-matching is performed to described first equipment and finds the second equipment, described first equipment and the second equipment are two equipment in D2D, described D2D server communicates respectively to described first equipment and described second equipment initiation D2D and starts request, trigger described first equipment and described second equipment respectively by mobile management entity MME and evolved base station eNB belonging to it, the communication link of D2D is set up at described first equipment and described second equipment room.Make between two equipment, to set up D2D to connect, thus network is controlled, achieve operator effectively to control D2D communication, manage or the function such as charging, compared with prior art simultaneously, after setting up D2D connection, because network can be controlled effectively, can eliminate further because D2D communicates the interference brought to UE.And, after finding two equipment that can carry out D2D connection at D2D server, first trigger between two equipment and carry out pre-detection, determine whether can communicate between two equipment further, if can communicate, then trigger eNB set up between both devices direct device-to-device connect, otherwise D2D server can select miscellaneous equipment to carry out pre-detection again, to reduce the workload of network, improves network operating efficiency.

See Fig. 7, present embodiments provide a kind of device-to-device D2D server, comprising: acquisition module 501, pre-matching module 502 and trigger module 503.

Acquisition module 501, for obtaining the log-on message of the first equipment needing to carry out D2D communication;

Pre-matching module 502, for the log-on message according to described first equipment, performs pre-matching to described first equipment and finds the second equipment; Described first equipment and described second equipment are two equipment that D2D communicates;

Trigger module 503, request is started for communicating respectively to described first equipment and described second equipment initiation D2D, trigger described first equipment and described second equipment respectively by MME and evolved base station eNB belonging to it, set up the communication link of D2D at described first equipment and described second equipment room.

See Fig. 8, the described server in the present embodiment also comprises:

Transport module 504, needs to carry out the facility registration information of D2D communication for receiving, described facility registration information comprises: the positional information of the D2D of equipment mark, application identities and equipment.

Alternatively, in the present embodiment, the log-on message of the first equipment that described acquisition module obtains also comprises the relevant information of the application of described first equipment;

Described pre-matching module 502 is specifically for obtaining the log-on message of pre-stored equipment according to the positional information of described first equipment, distance between described pre-stored equipment and described first equipment is in preset range, if the information that the application of an equipment in the described pre-stored equipment information of being correlated with is relevant to the application of described first equipment is consistent, then confirm that an equipment in described pre-stored equipment is the second equipment that pre-matching arrives.

Alternatively, the log-on message of the first equipment of described acquisition module acquisition also comprises the mark of described second equipment;

Described pre-matching module, specifically for the mark according to described second equipment, performs pre-matching to described first equipment and finds described second equipment.

Alternatively in the present embodiment, described transport module 504 also for the log-on message of described second equipment is sent to described first equipment, makes the described log-on message that described first equipment sends according to transport module, carries out pre-detection to described second equipment;

Described transport module 504 is also for receiving the pre-detection result of described first equipment;

See Fig. 8, described server also comprises:

Confirm module 505, for the pre-detection result of described first equipment according to described transport module 504 reception, confirm whether described second equipment can communicate with described first equipment.

Alternatively, described transport module 504 also for sending to described second to establish the log-on message of described first equipment, makes described second equipment carry out pre-detection according to the log-on message of described first equipment to described first equipment;

Described transport module 504 is also for receiving the pre-detection result of described second equipment;

Described confirmation module 505 also has in the pre-detection result received according to described transport module, confirms whether described first equipment can communicate with described second equipment.

Described trigger module 503 is set up or modify request messages for initiating D2D carrying respectively to described first equipment and described second equipment, and described carrying foundation or modify request messages comprise the Qos parameter that the mark of the first equipment and the second equipment and D2D carry.

In the present embodiment, described trigger module 503 sets up request message specifically for initiating D2D carrying respectively to described first equipment and described second equipment, trigger described first equipment and described second equipment by the MME belonging to it, gateway SGW and public data network gateway PGW sends bearing resource command messages, described bearing resource command messages carries the mark of the first equipment and the second equipment, and described first equipment and described second equipment are by the PGW belonging to it, SGW and MME sends carrying respectively to evolved base station eNB and sets up or modify request messages, described carrying foundation or modify request messages carry the mark of the first equipment and the second equipment, described first equipment and described second equipment are bound according to the mark of described first equipment and the second equipment to make described eNB, set up the communication link of the D2D of described first equipment and described second equipment room.

See Fig. 9, present embodiments provide a kind of evolved base station eNB, comprising: transport module 601 and processing module 602.

Transport module 601, pass through carrying foundation or the modify request messages of the Mobility Management Entity MME transmission belonging to it to the first equipment in equipment D2D for receiving equipment, described carrying foundation or modify request messages comprise the mark of described first equipment and the second equipment, and described carrying foundation or bearing modification message indicate the communication link of D2D described in described first equipment and described second equipment use to carry the Business Stream of the first equipment and described second devices communicating; Described first equipment and described second equipment are two equipment that D2D communicates;

Processing module 602, for the mark according to described first equipment and the second equipment, binds described first equipment and described second equipment, sets up the communication link of the D2D of described first equipment and described second equipment room.

In the present embodiment, described processing module 602 specifically for:

See Figure 10, present embodiments provide the first equipment in a kind of D2D, comprising: transport module 701 and know module 702.

Transport module 701, for sending log-on message to D2D server, make described D2D server according to described log-on message, the second equipment in finding D2D to communicate to described first equipment execution pre-matching, sends communication to the second equipment described in described first equipment and starts request;

Know module 702, the communication sent for receiving described D2D server starts request, by mobile management entity MME belonging to it and evolved base station eNB, sets up the communication link of D2D at described first equipment and described second equipment room.

In the present embodiment, the log-on message that described transport module 701 sends comprises: the positional information of the D2D mark of equipment, application identities and equipment.

In the present embodiment, alternatively, described transport module 701 is also for receiving the log-on message of the second equipment that described D2D server sends;

See Figure 11, confirm module 703, the log-on message of the second equipment received according to described transport module for described first equipment carries out pre-detection to described second equipment, to confirm whether described second equipment can communicate with described first equipment.

In the present embodiment, describedly know that module 702 is set up or modify request messages for the D2D carrying receiving described D2D server and initiate, described carrying foundation or modify request messages comprise the Qos parameter that the mark of the first equipment and the second equipment and D2D carry.

In the present embodiment, know that module 702 starts request specifically for the communication receiving the transmission of described D2D server, by the MME belonging to it, gateway SGW and public data network gateway PGW sends bearing resource command messages, described bearing resource command messages carries the mark of described first equipment and the second equipment, and described first equipment and described second equipment are by the PGW belonging to it, SGW and MME sends carrying respectively to eNB and sets up or modify request messages, described carrying foundation or modify request messages carry the mark of the first equipment and the second equipment, described first equipment and described second equipment are bound according to the mark of described first equipment and the second equipment to make described eNB, set up the communication link of the D2D of described first equipment and described second equipment room.

See Figure 12, present embodiments provide the system that a kind of apparatus for establishing connects to equipment D2D, comprising: the first equipment 700 and the second equipment 800 in D2D server 500 as above, evolved base station eNB600 as above and D2D as above.

In the present embodiment, described system also comprises: public data network gateway PGW, gateway SGW and mobile management entity MME belonging to the first equipment 700, PCRF, PGW, SGW and MME belonging to the second equipment 800;

Described first equipment and the second equipment are by the MME belonging to it, gateway SGW and public data network gateway PGW sends bearing resource command messages, described bearing resource command messages carries the mark of described first equipment and the second equipment, and described first equipment and described second equipment are by the PGW belonging to it, SGW and MME sends carrying respectively to eNB and sets up or modify request messages, described carrying foundation or modify request messages carry the mark of the first equipment and the second equipment, described first equipment and described second equipment are bound according to the mark of described first equipment and the second equipment to make described eNB, set up the communication link of the D2D of described first equipment and described second equipment room, described carrying is set up or bearing modification message indicates the communication link of D2D described in described first equipment and described second equipment use to carry the Business Stream of the first equipment and described second devices communicating.

The beneficial effect of device embodiment provided by the invention is: obtained the log-on message needing the first equipment carrying out D2D communication by D2D server, described D2D server is according to the log-on message of described first equipment, pre-matching is performed to described first equipment and finds the second equipment, described first equipment and the second equipment are two equipment in D2D, described D2D server communicates respectively to described first equipment and described second equipment initiation D2D and starts request, trigger described first equipment and described second equipment respectively by mobile management entity MME and evolved base station eNB belonging to it, the communication link of D2D is set up at described first equipment and described second equipment room.Make between two equipment, to set up D2D to connect, thus network is controlled, achieve operator effectively to control D2D communication, manage or the function such as charging, compared with prior art simultaneously, after setting up D2D connection, because network can be controlled effectively, can eliminate further because D2D communicates the interference brought to UE.

The first equipment in the D2D server that the present embodiment provides, evolved base station, D2D and system, specifically can belong to same design with embodiment of the method, its specific implementation process refers to embodiment of the method, repeats no more here.

It should be noted that in above-mentioned D2D server example, included unit is carry out dividing according to function logic, but is not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional unit, also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.

In addition, one of ordinary skill in the art will appreciate that all or part of step realized in above-mentioned each embodiment of the method is that the hardware that can carry out instruction relevant by program completes, corresponding program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.

The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the embodiment of the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims

1. the method that connects to equipment D2D of apparatus for establishing, it is characterized in that, described method comprises:

Described D2D server is according to the log-on message of described first equipment, and perform pre-matching to described first equipment and find the second equipment, described first equipment and described second equipment are two equipment that D2D communicates;

Described D2D server communicates respectively to described first equipment and described second equipment initiation D2D and starts request, trigger described first equipment and described second equipment respectively by mobile management entity MME and evolved base station eNB belonging to it, set up the communication link of D2D at described first equipment and described second equipment room;

Wherein, described D2D server communicates respectively to described first equipment and described second equipment initiation D2D and starts request, trigger described first equipment and described second equipment respectively by mobile management entity MME and evolved base station eNB belonging to it, set up the communication link of D2D at described first equipment and described second equipment room, comprising:

Described D2D server is initiated D2D carrying respectively to described first equipment and described second equipment and is set up or modify request messages, trigger described first equipment and described second equipment by the MME belonging to it, gateway SGW and public data network gateway PGW sends bearing resource command messages, described bearing resource command messages carries the mark of the first equipment and the second equipment, and described first equipment and described second equipment are by the PGW belonging to it, SGW and MME sends carrying respectively to evolved base station eNB and sets up or modify request messages, described carrying foundation or modify request messages carry the mark of the first equipment and the second equipment, described first equipment and described second equipment are bound according to the mark of described first equipment and the second equipment to make described eNB, set up the communication link of the D2D of described first equipment and described second equipment room.

2. method according to claim 1, is characterized in that, described method also comprises:

3. method according to claim 1 and 2, it is characterized in that, if the information that the application that the log-on message of described first equipment also comprises described first equipment is correlated with, then the described log-on message according to described first equipment, pre-matching is performed to described first equipment and finds the second equipment, comprising:

4. method according to claim 1 and 2, it is characterized in that, if the log-on message of described first equipment that described device-to-device D2D server obtains also comprises the mark of described second equipment, according to the log-on message of described first equipment, pre-matching is performed to described first equipment and finds the second equipment to comprise:

5. method according to claim 1 and 2, is characterized in that, the described log-on message according to described first equipment, after finding the second equipment, also comprises described first equipment execution pre-matching:

Described D2D server receives the successful result of pre-detection of described first equipment, and according to described pre-detection results verification, whether the second equipment can communicate with described first equipment.

6. method according to claim 5, is characterized in that, if described D2D server receives the successful result of pre-detection of described first equipment, after confirming that described second equipment can communicate with described first equipment, also comprises:

7. method according to claim 1, is characterized in that, described D2D server is initiated D2D respectively to described first equipment and described second equipment and communicated and start request and comprise:

8. the method that connects to equipment D2D of apparatus for establishing, it is characterized in that, described method comprises:

9. method according to claim 8, is characterized in that, described eNB receives carrying foundation that the first equipment in D2D sent by the MME belonging to it or modify request messages comprises:

10. the method that connects to equipment D2D of apparatus for establishing, it is characterized in that, described method comprises:

The communication receiving the transmission of described D2D server starts request, by mobile management entity MME belonging to it and evolved base station eNB, sets up the communication link of D2D at described first equipment and described second equipment room;

Wherein, the communication that the described D2D server of described reception sends starts request, and by MME and eNB belonging to it, the communication link setting up D2D at described first equipment and described second equipment room comprises:

11. methods according to claim 10, is characterized in that, described log-on message comprises: the positional information of the D2D of equipment mark, application identities and equipment.

12. methods according to claim 10 or 11, is characterized in that, described first equipment, to after D2D server sends log-on message, also comprises:

13. methods according to claim 10 or 11, is characterized in that, the communication that the described D2D server of described reception sends starts request and comprises:

14. 1 kinds of device-to-device D2D servers, it is characterized in that, described server comprises:

Trigger module, after finding described second equipment for described pre-matching module, communicate respectively to described first equipment and described second equipment initiation D2D and start request, trigger described first equipment and described second equipment respectively by mobile management entity MME and evolved base station eNB belonging to it, set up the communication link of D2D at described first equipment and described second equipment room;

Wherein, described trigger module is set up or modify request messages specifically for initiating D2D carrying respectively to described first equipment and described second equipment, trigger described first equipment and described second equipment by the MME belonging to it, gateway SGW and public data network gateway PGW sends bearing resource command messages, described bearing resource command messages carries the mark of the first equipment and the second equipment, and described first equipment and described second equipment are by the PGW belonging to it, SGW and MME sends carrying respectively to evolved base station eNB and sets up or modify request messages, described carrying foundation or modify request messages carry the mark of the first equipment and the second equipment, described first equipment and described second equipment are bound according to the mark of described first equipment and the second equipment to make described eNB, set up the communication link of the D2D of described first equipment and described second equipment room.

15. servers according to claim 14, is characterized in that, described server also comprises:

Transport module, needs to carry out the facility registration information of D2D communication for receiving, described facility registration information comprises: the positional information of the D2D of equipment mark, application identities and equipment.

16. servers according to claims 14 or 15, is characterized in that, the log-on message of the first equipment that described acquisition module obtains also comprises the relevant information of the application of described first equipment;

Described pre-matching module is specifically for obtaining the log-on message of pre-stored equipment according to the positional information of described first equipment, distance between described pre-stored equipment and described first equipment is in preset range, if the information that the application of an equipment in the described pre-stored equipment information of being correlated with is relevant to the application of described first equipment is consistent, then confirm that an equipment in described pre-stored equipment is the second equipment that pre-matching arrives.

17. servers according to claims 14 or 15, is characterized in that,

The log-on message of the first equipment that described acquisition module obtains also comprises the mark of described second equipment;

The mark of second equipment of described pre-matching module specifically for obtaining according to described acquisition module, performs pre-matching to described first equipment and finds described second equipment.

18. servers according to claim 15, is characterized in that,

Described transport module also for the log-on message of described second equipment is sent to described first equipment, makes the described log-on message that described first equipment sends according to described transport module, carries out pre-detection to described second equipment;

Described transport module is also for receiving the pre-detection result of described first equipment;

Described server also comprises:

Confirm module, for the pre-detection result of described first equipment received according to described transport module, confirm whether described second equipment can communicate with described first equipment.

19. servers according to claim 18, is characterized in that,

Described transport module also for sending to described second to establish the log-on message of described first equipment, makes described second equipment carry out pre-detection according to the log-on message of described first equipment to described first equipment;

Described transport module is also for receiving the pre-detection result of described second equipment;

Described confirmation module also has in the pre-detection result received according to described transport module, confirms whether described first equipment can communicate with described second equipment.

20. servers according to claims 14 or 15, is characterized in that,

Described trigger module is used for initiating D2D carrying respectively to described first equipment and described second equipment and sets up or modify request messages, and described carrying foundation or modify request messages comprise the Qos parameter that the mark of the first equipment and the second equipment and D2D carry.

21. 1 kinds of evolved base station eNB, is characterized in that, described base station comprises:

22. base stations according to claim 21, is characterized in that, described processing module specifically for:

The first equipment in 23. 1 kinds of D2D, is characterized in that, described equipment comprises:

Know module, the communication sent for receiving described D2D server starts request, by mobile management entity MME belonging to it and evolved base station eNB, sets up the communication link of D2D at described first equipment and described second equipment room;

Wherein, described know module specifically for receive described D2D server send communication start request, by the MME belonging to it, gateway SGW and public data network gateway PGW sends bearing resource command messages, described bearing resource command messages carries the mark of described first equipment and the second equipment, and described first equipment and described second equipment are by the PGW belonging to it, SGW and MME sends carrying respectively to eNB and sets up or modify request messages, described carrying foundation or modify request messages carry the mark of the first equipment and the second equipment, described first equipment and described second equipment are bound according to the mark of described first equipment and the second equipment to make described eNB, set up the communication link of the D2D of described first equipment and described second equipment room.

24. equipment according to claim 23, is characterized in that, the log-on message that described transport module sends comprises: the positional information of the D2D mark of equipment, application identities and equipment.

25. equipment according to claim 23 or 24, is characterized in that,

Described transport module is also for receiving the log-on message of the second equipment that described D2D server sends;

Confirm module, the log-on message of the second equipment received according to described transport module for described first equipment carries out pre-detection to described second equipment, to confirm whether described second equipment can communicate with described first equipment.

26. equipment according to claim 23 or 24, it is characterized in that, describedly know that module is set up or modify request messages for the D2D carrying receiving described D2D server and initiate, described carrying foundation or modify request messages comprise the Qos parameter that the mark of the first equipment and the second equipment and D2D carry.

The system that 27. 1 kinds of apparatus for establishing connect to equipment D2D, it is characterized in that, described system comprises: the first equipment in the D2D server as described in any one of claim 14-20, the evolved base station eNB as described in claim 21 or 22 and the D2D as described in any one of claim 23-26 and the second equipment.

28. systems according to claim 27, it is characterized in that, described system also comprises: public data network gateway PGW, gateway SGW and mobile management entity MME belonging to described first equipment, PCRF, PGW, SGW and MME belonging to described second equipment;