CN104284321B

CN104284321B - A kind of method, equipment and the user equipment of path switching

Info

Publication number: CN104284321B
Application number: CN201310284760.5A
Authority: CN
Inventors: 金辉; 欧阳国威; 衣强
Original assignee: Huawei Device Dongguan Co Ltd
Current assignee: Huawei Device Co Ltd
Priority date: 2013-07-08
Filing date: 2013-07-08
Publication date: 2018-09-21
Anticipated expiration: 2033-07-08
Also published as: CN104284321A; WO2015003590A1

Abstract

The present invention discloses method, equipment and the user equipment of a kind of path switching, can between the UE that is communicated of utility direct communication path data transmission continuity, improve user experience.This method includes：First user equipment sends message to third equipment, first identifier is carried in the message, the message is for making the third equipment know the corresponding signal strength of the first identifier, or the direct communication path of first user equipment and second user equipment room is switched to network communication path for first user equipment requests, so that the third equipment is determined according to the message is switched to the network communication path by the direct communication path；First user equipment receives the message for including the first identifier that the third equipment is sent, and is determined according to the message direct communication path being switched to the network communication path.The present invention relates to the communications fields.

Description

A kind of method, equipment and the user equipment of path switching

Technical field

The present invention relates to method, equipment and user equipmenies that the communications field more particularly to a kind of path switch.

Background technology

In traditional mobile network, the data communication path between user equipment (User Equipment, UE) will pass through Core network element gateway (Serving Gateway, SGW) and packet data gateway (Packet Data Network Gateway, PGW).When transmitting data between the closer UE of two distances, it is also desirable to be transmitted by core net, in this way, right The network transmission bandwidth of core net has larger demand, and makes data transmission efficiency relatively low.

In order to save the bandwidth of core net, the efficiency of transmission of short distance UE is improved, in the prior art, for two short distances UE, can be held consultation according to security key, establish direct communication path (Direct Communication Path, DCP) To carry out data transmission.

When the UE of two short distances is carried out data transmission using direct communication path, when two UE are moved, exceed When the communication range of direct communication path, continuous data connection can not be provided for UE, ensure the continuity of business.

Invention content

The embodiment of the present invention provides method, equipment and the user equipment of a kind of path switching, can utility it is direct The continuity of data transmission between the UE that communication path is communicated improves user experience.

In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：

In a first aspect, a kind of method of path switching is provided, the method includes：

The direct communication path of first user equipment and second user equipment room is switched to network and led to by the determination of the first equipment Believe path, obtains first identifier；

First equipment determines first user equipment and/or the second user equipment according to the first identifier Evolution grouping system EPS carrying so that first user equipment is held with the second user equipment according to the EPS Carry the path handoff procedure completed by the direct communication path to the network communication path；

Wherein, the first identifier is used to identify first user equipment and the direct of the second user equipment room connects It connects；Alternatively, the first identifier is used to identify the direct communication of the first user equipment and the second user equipment room；Alternatively, The first identifier is for identifying the direct communication path；Alternatively, the first identifier is for identifying the direct communication road At least one of diameter carries.

In the first possible implementation, with reference to first aspect, first equipment is determined the first user equipment It is switched to network communication path with the direct communication path of second user equipment room, first identifier is obtained and specifically includes：

First equipment receives the 4th message that base station is sent, and carries the first identifier in the 4th message, institute It is the first message that the base station receives first user equipment and/or the second user equipment is sent to state the 4th message It is sent afterwards to first equipment, the first identifier is carried in the first message, the first message is for making institute It states base station and knows the corresponding signal strength of the first identifier or first user equipment and/or the second user equipment The direct communication path is switched to the network communication path by request；First equipment is according to the 4th message, really It is fixed that the direct communication path is switched to the network communication path, and obtain the first identifier；Alternatively,

First equipment receives the 5th message that server is sent, and the first identifier is carried in the 5th message, 5th message is that the server receives first user equipment and/or the second user equipment are sent second and disappears It is sent to first equipment after breath, the first identifier is carried in the second message, the second message is for making The server knows the corresponding signal strength of the first identifier or first user equipment and/or the second user The direct communication path is switched to the network communication path by device request；First equipment disappears according to the described 5th Breath determines the direct communication path being switched to the network communication path, and obtains the first identifier；Alternatively,

The third message that first equipment receives first user equipment and/or the second user equipment is sent, The first identifier is carried in the third message, the third message is for making first equipment know first mark Corresponding signal strength or first user equipment and/or the second user device request are known by the direct communication road Diameter is switched to the network communication path；First equipment determines according to the third message and cuts the direct communication path It is changed to the network communication path, and obtains the first identifier.

In second of possible realization method, the first possible realization method with reference to first aspect, described first The direct communication path is switched to the network communication path according to third message determination and specifically included by equipment：

If the corresponding signal strength of the first identifier carried in the third message is less than or equal to preset value, institute It states the determination of the first equipment and the direct communication path is switched to the network communication path；Alternatively,

The third message is for making first equipment know first user equipment and/or the second user When the direct communication path is switched to the switching request or handoff notification message of the network communication path by device request, institute The first equipment is stated according to the third message, determines and the direct communication path is switched to the network communication path.

In the third possible realization method, with reference to first aspect to second of possible realization method of first aspect In any one, first equipment according to the first identifier determine first user equipment and/or it is described second use The grouping system EPS carryings of the evolution of family equipment specifically include：

First equipment obtains the corresponding service quality of the first identifier according to according at least to the first identifier QoS；

First equipment sends the 6th message to gateway device, carries the QoS in the 6th message, and the described 6th Message is used to inform that the gateway device to establish the EPS carryings of the QoS；

First equipment receives the 7th message that the gateway device is sent, to the first user equipment and/or described the Two user equipmenies send the 8th message, the first identifier are carried in the 8th message, so that first user equipment And/or the second user equipment is established the EPS according to the first identifier and is carried, and know that the EPS carryings are used for generation For being directly connected to of being identified of the first identifier or the direct communication or the direct communication path or described directly logical Believe the carrying of at least one of path.

In the 4th kind of possible realization method, with reference to first aspect to second of possible realization method of first aspect In any one, first equipment according to the first identifier determine first user equipment and/or it is described second use The grouping system EPS carryings of the evolution of family equipment specifically include：

First equipment sends the 9th message to first user equipment and/or the second user equipment, described Carry the first identifier in 9th message so that first user equipment and/or the second user equipment according at least to The first identifier obtains the QoS corresponding with the first identifier；

The tenth message of first user equipment and/or the carrying QoS of second user equipment transmission is received, The 11st message is sent to the gateway device, the QoS is carried in the 11st message, the 11st message is for accusing Know that the gateway device establishes the EPS carryings of the QoS.

In the 5th kind of possible realization method, with reference to first aspect to appointing in the 4th kind of realization method of first aspect Meaning one, first equipment determines first user equipment and/or the second user equipment according to the first identifier The grouping system EPS carrying of evolution specifically include：

First equipment obtains the corresponding QoS of the first identifier according at least to the first identifier；

First equipment judges whether the direct communication path being switched to the network communication road according to the QoS Diameter；

If first equipment judges the direct communication path being switched to the network communication path, according to described One is identified as first user equipment and/or the second user equipment establishes the EPS carryings.

In the 6th kind of possible realization method, the 5th kind of possible realization method with reference to first aspect, described first Equipment judges whether that the direct communication path, which is switched to the network communication path, to be specifically included according to the QoS：

First equipment directly judges whether network provides the EPS carryings of the QoS according to the QoS, if so, sentencing It is disconnected that the direct communication path is switched to the network communication path；Alternatively,

First equipment sends the request message for carrying the QoS to the gateway device, so that the gateway device The request message for carrying the QoS is sent to policy charging rule functional entity PCRF, so that the PCRF is according to the QoS Judge whether network provides the EPS carryings of the QoS, if so, judging the direct communication path being switched to the network Communication path；Alternatively,

First equipment sends the request message for carrying the QoS to the server, and the server is to described PCRF sends the request message for carrying the QoS, and the PCRF judges whether network can provide the QoS according to the QoS EPS carrying, if so, judging the direct communication path being switched to the network communication path.

In the 7th kind of possible realization method, with reference to first aspect to second of possible realization side of first aspect Formula, first equipment determine drilling for first user equipment and/or the second user equipment according to the first identifier Into grouping system EPS carrying specifically include：

It includes first mark that first equipment is sent to first user equipment and/or the second user equipment The message of knowledge, so that first user equipment and/or the second user equipment is according to the first identifier, described in lookup The corresponding EPS carryings of first identifier.

In the 8th kind of possible realization method, the first possible realization method with reference to first aspect to the 7th kind can Can realization method, further include in the first message, second message or third message：The first of first user equipment is used Family identifies and the second user of the second user equipment identifies.

In the 9th kind of possible realization method, the 8th kind of possible realization method with reference to first aspect, described first Equipment obtains the corresponding QoS of the first identifier according at least to the first identifier and specifically includes：

First equipment is identified according to the first identifier, first user identifier and the second user, is obtained The corresponding QoS of the first identifier.

In the tenth kind of possible realization method, with reference to first aspect to the 9th kind of possible realization method of first aspect In any one, first equipment according to the first identifier determine first user equipment and/or it is described second use Before the grouping system EPS carryings of the evolution of family equipment, further include：

The second user that first equipment obtains the second user equipment according to the first identifier identifies；

It is the second user equipment that first equipment is obtained according to the second user of second user equipment mark Second equipment of service；

First equipment determines first user equipment and/or the second user equipment according to the first identifier The grouping system EPS carrying of evolution specifically include：

First equipment is that first user equipment establishes the EPS carryings according to the first identifier；

First equipment sends the first request message to second equipment, and first request message includes described the The second user mark of two user equipmenies and the first identifier, so that second equipment is according to the second user equipment Second user mark and the first identifier be that the second user equipment establishes EPS carrying.

In a kind of the tenth possible realization method, with reference to first aspect to the 9th kind of possible realization side of first aspect Any one in formula, first equipment determine first user equipment and/or described second according to the first identifier Before the grouping system EPS carryings of the evolution of user equipment, further include：

The second user that first equipment obtains second user equipment according to the first identifier identifies；

First equipment sends the second request message to the first server for the first user equipment service, described Second request message includes the second user mark of the second user equipment and the first identifier, so that first clothes Business device obtains the second server for the second user device service according to the second user of second user equipment mark, And the second user mark of the second user equipment and the first identifier are sent to the second server, so that described Second server sends third request message to second equipment, and second equipment is according to the of the second user equipment Two user identifiers and the first identifier are that the second user equipment establishes the EPS carryings.

In the 12nd kind of possible realization method, with reference to first aspect to a kind of the tenth possible realization of first aspect Any one in mode, first equipment determine first user equipment and/or described according to the first identifier Before the grouping system EPS carryings of the evolution of two user equipmenies, further include：

First equipment sends the 12nd message to the base station, and the 12nd message carries the first identifier, So that it is first user equipment and/or second user equipment that the base station, which discharges or deleted according at least to the first identifier, The resource of distribution, so that the base station sends the 13rd message to first user equipment and/or the second user equipment, 13rd message is used to indicate first user equipment and/or the second user equipment knows that carrying out the path cuts It changes.

Second aspect provides a kind of method of path switching, the method includes：

First user equipment sends message to third equipment, carries first identifier in the message, the message is used for The third equipment is set to know the corresponding signal strength of the first identifier, or will be described for first user equipment requests The direct communication path of first user equipment and second user equipment room is switched to network communication path, so that the third is set The direct communication path is switched to the network communication path by standby determined according to the message；

First user equipment receives the message for including the first identifier that the third equipment is sent, according to described Message is determined is switched to the network communication path by the direct communication path；

In the first possible implementation, in conjunction with second aspect, the third equipment is specifically to be used for described first The base station of family device service or mobility management entity MME or server；First user equipment disappears to the transmission of third equipment Breath specifically includes：

First user equipment sends first message to the base station, so that the base station is according to the first message It determines when the direct communication path is switched to the network communication path, the 4th message is sent to the MME, the described 4th The first identifier is carried in message, so that the MME is determined according to the 4th message by the direct communication path It is switched to the network communication path；Alternatively,

First user equipment sends second message to the server, so that the server is according to described second When the direct communication path is switched to the network communication path by message determination；Alternatively,

First user equipment sends second message to the server, so that the server is according to described second When the direct communication path is switched to the network communication path by message determination, the 5th message is sent to the MME, it is described The first identifier is carried in 5th message, so that the MME is determined according to the 5th message by the direct communication Path is switched to the network communication path, and the MME sends the message for carrying the first identifier to the base station, so that institute State the message that base station carries the first identifier to first user equipment；Alternatively,

First user equipment sends third message to the MME, so that the MME is true according to the third message It is fixed that the direct communication path is switched to the network communication path.

In second of possible realization method, in conjunction with the possible realization side of the first of second aspect or second aspect Formula, first user equipment receives the message for including the first identifier that the third equipment is sent, according to the message Determine that the direct communication path, which is switched to the network communication path, to be specifically included：

First user equipment receives the path switching request that the third equipment is sent, and is asked according to path switching It asks and determines that the direct communication path, which is switched to the corresponding EPS of the first identifier, to be carried；

Wherein, what EPS carrying was that first user equipment receives that the third equipment sends includes described first After the message of mark, the corresponding service quality QoS of the first identifier is obtained according at least to the first identifier, and to described It is established after the tenth message of the MME transmission carryings QoS；Alternatively,

The EPS carryings are before first user equipment sends message to the third equipment, according at least to described First identifier obtains the corresponding service quality QoS of the first identifier, and sends to mobile management entity and to carry the of the QoS It is established after ten message.

In the third possible realization method, in conjunction with second of possible realization method of second aspect to second aspect In any one, it is described to determine that the direct communication path is switched to the network communication path is specific according to the message Including：

The priority of the TFT of the corresponding direct communication path of the first identifier is adjusted to low by first user equipment In the priority of the TFT of EPS carryings, so that first user equipment is used by EPS carryings with described second Family equipment carries out data transmission.

In the 4th kind of possible realization method, in conjunction with the possible realization side of the first of second aspect or second aspect Formula, first user equipment receives the message for including the first identifier that the third equipment is sent, according to the message Determine that the direct communication path, which is switched to the network communication path, to be specifically included：

First user equipment receives the third equipment and sends the 8th message, and described the is carried in the 8th message One mark, first user equipment are established EPS according to the 8th message and are carried；Alternatively,

First user equipment receives the 9th message that the third equipment is sent, carried in the 9th message described in First identifier, first user equipment obtain the corresponding service quality of the first identifier according at least to the first identifier QoS, first user equipment send the 14th message to the MME, the QoS are carried in the 14th message, with So that the MME is that first user equipment establishes EPS carryings according to the QoS.

In the 5th kind of possible realization method, in conjunction with the 4th kind of possible realization side of second aspect to second aspect Formula further includes in the message：The first identifier of first user equipment and the second user mark of second user equipment.

In the 6th kind of possible realization method, in conjunction with the 5th kind of possible realization method of second aspect to second aspect In any one, first user equipment receives the message for including the first identifier that the third equipment is sent, root After the direct communication path is switched to the network communication path according to message determination, further include：

First user equipment sends the 15th message to the base station, and the 15th message carries first mark Know, so that it is first user equipment and/or second user that the base station, which discharges or deleted according at least to the first identifier, The resource of equipment distribution；Alternatively,

First user equipment sends the 15th message to the server, and the 15th message carries described first Mark so that the server knows that the path switching is completed, and sends to the MME and carries the tenth of the first identifier Six message, so that the MME sends the 17th message for carrying the first identifier to the base station, so that the base station is at least It is first user equipment and/or the resource that second user equipment is distributed to be discharged or deleted according to the first identifier.

In the 7th kind of possible realization method, in conjunction with the 6th kind of possible realization method of second aspect, the described tenth The first information is also carried in five message, so that the base station sends the message for carrying the first information to the MME, so that institute It states MME and charging is carried out according to the first information；Alternatively,

15th message also carries the first information, so that the base station is sent to the MME carries first letter The message of breath so that the MME sends the message for carrying the first information to the server so that the server according to The first information carries out charging；

The first information includes data traffic and/or call duration time.

The third aspect provides a kind of method of path switching, which is characterized in that the method includes：

4th equipment receives the message of the first user equipment and/or the transmission of second user equipment, is carried in the message First identifier, the message are used to make the 4th equipment to know the corresponding signal strength of the first identifier, or for described The direct communication path of first user equipment and second user equipment room is switched to network and led to by the first user equipment requests Believe path；

4th equipment is determined according to the message is switched to the network communication path by the direct communication path；

4th equipment sends request to mobility management entity MME, and the request includes the first identifier, with So that the MME determines that first user equipment and/or the corresponding EPS of second user equipment carry according to the request, institute The first user equipment is stated to be completed by the direct communication path to the net according to EPS carryings with the second user equipment The path handoff procedure of network communication path.

In the first possible implementation, in conjunction with the third aspect, the 4th equipment is determined according to the message will The direct communication path is switched to the network communication path and specifically includes：

If the corresponding signal strength of the first identifier carried in the message is less than or equal to preset value, described the Four equipment are determined is switched to the network communication path by the direct communication path；Alternatively,

The message is to know that first user equipment and/or the second user equipment are asked for first equipment When asking switching request or handoff notification message that the direct communication path is switched to the network communication path, the described 4th Equipment determines the direct communication path being switched to the network communication path according to the message.

In second of possible realization method, in conjunction with the possible realization side of the first of the third aspect or the third aspect Formula when the 4th equipment is base station, after the 4th equipment sends request message to mobility management entity MME, is also wrapped It includes：

The 12nd message that the MME is sent is received, the 12nd message carries the first identifier；

It is first user equipment and/or described second that the base station, which discharges or deleted according at least to the first identifier, The resource of user equipment distribution；

The base station sends the 13rd message to first user equipment and/or the second user equipment, and described the 13 message are used to indicate first user equipment and/or the second user equipment knows the progress path switching.

Fourth aspect provides a kind of equipment, and the equipment is specially the first equipment, and first equipment includes：First really Order member and the second determination unit；

First determination unit, for determining the direct communication path of the first user equipment and second user equipment room It is switched to network communication path, obtains first identifier；

Second determination unit, for determining first user equipment and/or described according to the first identifier The grouping system EPS carryings of the evolution of two user equipmenies, so that first user equipment and the second user equipment root The path handoff procedure completed by the direct communication path to the network communication path is carried according to the EPS；

In the first possible implementation, in conjunction with fourth aspect, first determination unit is specifically used for：

The 4th message that base station is sent is received, carries the first identifier in the 4th message, the 4th message is To described first after the first message that the base station receives first user equipment and/or the second user equipment is sent What equipment was sent, the first identifier is carried in the first message, the first message is for making the base station know institute Stating the corresponding signal strength of first identifier or first user equipment and/or the second user device request will be described straight It connects communication path and is switched to the network communication path；According to the 4th message, determination switches the direct communication path For the network communication path, and obtain the first identifier；Alternatively,

The 5th message that server is sent is received, the first identifier, the 5th message are carried in the 5th message It is that the server receives after the second message that first user equipment and/or the second user equipment are sent to described the What one equipment was sent, the first identifier is carried in the second message, the second message is for making the server obtain Know the corresponding signal strength of the first identifier or first user equipment and/or the second user device request by institute It states direct communication path and is switched to the network communication path；According to the 5th message, determine the direct communication path It is switched to the network communication path, and obtains the first identifier；Alternatively,

Receive the third message of first user equipment and/or second user equipment transmission, the third message In carry the first identifier, the third message is for making first equipment know the corresponding signal of the first identifier The direct communication path is switched to described by intensity or first user equipment and/or the second user device request Network communication path；It is determined according to the third message and the direct communication path is switched to the network communication path, and Obtain the first identifier.

In second of possible realization method, in conjunction with the first possible realization method of fourth aspect, described first Determination unit is specifically used for：

If the corresponding signal strength of the first identifier carried in the third message is less than or equal to preset value, really It is fixed that the direct communication path is switched to the network communication path；Alternatively,

The third message is for making first equipment know first user equipment and/or the second user When the direct communication path is switched to the switching request or handoff notification message of the network communication path by device request, root According to the third message, determines and the direct communication path is switched to the network communication path.

In the third possible realization method, in conjunction with second of possible realization method of fourth aspect to fourth aspect In any one, second determination unit is specifically used for：

The corresponding service quality QoS of the first identifier is obtained according to according at least to the first identifier；

The 6th message is sent to gateway device, the QoS is carried in the 6th message, the 6th message is for informing The gateway device establishes the EPS carryings of the QoS；

The 7th message that the gateway device is sent is received, is sent out to the first user equipment and/or the second user equipment The 8th message is sent, the first identifier is carried in the 8th message, so that first user equipment and/or described second User equipment is established the EPS according to the first identifier and is carried, and knows the EPS carryings for replacing the first identifier Identified be directly connected to or the direct communication or the direct communication path or the direct communication path at least One carrying.

In the 4th kind of possible realization method, in conjunction with the third possible realization side of fourth aspect to fourth aspect Formula, second determination unit, is specifically used for：

The 9th message is sent to first user equipment and/or the second user equipment, is taken in the 9th message With the first identifier, so that first user equipment and/or the second user equipment are according at least to the first identifier Obtain the QoS corresponding with the first identifier；

In the 5th kind of possible realization method, in conjunction with the 4th kind of possible realization method of fourth aspect to fourth aspect In any one, second determination unit is specifically used for：

The corresponding QoS of the first identifier is obtained according at least to the first identifier；

Judged whether the direct communication path being switched to the network communication path according to the QoS；

It is described according to the first identifier if judging the direct communication path being switched to the network communication path First user equipment and/or the second user equipment establish the EPS carryings.

In the 6th kind of possible realization method, in conjunction with the 5th kind of possible realization method of fourth aspect, the determination Unit is specifically used for：

Directly judge whether network provides the EPS carryings of the QoS according to the QoS, if so, judging will be described direct Communication path is switched to the network communication path；Alternatively,

The request message for carrying the QoS is sent to the gateway device, so that the gateway device is advised to policy, billing Then functional entity PCRF sends the request message for carrying the QoS, so that whether the PCRF judges network according to the QoS The EPS carryings that the QoS is provided, if so, judging the direct communication path being switched to the network communication path；Or Person,

The request message for carrying the QoS is sent to the server, the server sends to the PCRF and carries institute The request message of QoS is stated, the PCRF judges whether network can provide the EPS carryings of the QoS according to the QoS, if so, Then judge the direct communication path being switched to the network communication path.

In the 7th kind of possible realization method, in conjunction with the 6th kind of possible realization method of fourth aspect to fourth aspect In any one, second determination unit is specifically used for first user equipment and/or the second user equipment Transmission includes the message of the first identifier, so that first user equipment and/or the second user equipment are according to institute First identifier is stated, the corresponding EPS carryings of the first identifier are searched.

In the 8th kind of possible realization method, in conjunction with fourth aspect the first possible realization method in it is any one , further include in the first message, second message or third message：First user identifier of first user equipment and institute State the second user mark of second user equipment.

In the 9th kind of possible realization method, in conjunction with the 8th kind of possible realization method of fourth aspect, described second Determination unit is specifically used for being identified according to the first identifier, first user identifier and the second user, described in acquisition The corresponding QoS of first identifier.

In the tenth kind of possible realization method, in conjunction with the 9th kind of possible realization method of fourth aspect to fourth aspect In any one, first equipment further includes：Obtaining unit；

The obtaining unit, the second user for obtaining the second user equipment according to the first identifier identify；

The obtaining unit, it is second use to be additionally operable to be obtained according to the second user of second user equipment mark Second equipment of family device service；

Second determination unit, is specifically used for：

It is that first user equipment establishes the EPS carryings according to the first identifier；

The first request message is sent to second equipment, first request message includes the second user equipment Second user identifies and the first identifier, so that second user mark of second equipment according to the second user equipment Know and the first identifier is that the second user equipment establishes the EPS carryings.

In a kind of the tenth possible realization method, in conjunction with the 9th kind of possible realization side of fourth aspect to fourth aspect Formula, first equipment further include：Obtaining unit；

The obtaining unit, the second user for obtaining second user equipment according to the first identifier identify；

Second determination unit, is specifically used for：

The second request message, second request message are sent to for the first server of the first user equipment service Second user mark including the second user equipment and the first identifier, so that the first server is according to The second user mark of second user equipment obtain be the second user device service second server, and to described second Server send the second user equipment second user mark and the first identifier so that the second server to Second equipment sends third request message, second equipment according to the second user of second user equipment mark and The first identifier is that the second user equipment establishes the EPS carryings.

In the 12nd in possible realization method, in conjunction with fourth aspect to fourth aspect the 11st in possible realization Any one in mode, first equipment further include：Transmission unit；

The transmission unit, for sending the 12nd message to the base station, the 12nd message carries described first Mark is used so that the base station discharges or deleted according at least to the first identifier for first user equipment and/or second The resource of family equipment distribution, so that the base station sends the tenth to first user equipment and/or the second user equipment Three message, the 13rd message is used to indicate first user equipment and/or the second user equipment knows progress institute State path switching.

5th aspect provides a kind of user equipment of path switching, and the user equipment is specially the first user equipment, institute Stating the first user equipment includes：Transmission unit, receiving unit and determination unit；

The transmission unit carries first identifier, the message for sending message to third equipment in the message It is incited somebody to action for making the third equipment know the corresponding signal strength of the first identifier, or for first user equipment requests The direct communication path of first user equipment and second user equipment room is switched to network communication path, so that described Three equipment are determined according to the message is switched to the network communication path by the direct communication path；

The receiving unit, the message for including the first identifier sent for receiving the third equipment；

The direct communication path is switched to the network communication by the determination unit for being determined according to the message Path；

In the first possible implementation, in conjunction with the 5th aspect, the third equipment is specifically to be used for described first The base station of family device service or mobility management entity MME or server；The transmission unit, is specifically used for：

First message is sent to the base station, described will directly be led to so that the base station is determined according to the first message When letter path is switched to the network communication path, the 4th message is sent to the MME, is carried in the 4th message described First identifier is led to so that the direct communication path is switched to the network by the MME according to the 4th message determination Believe path；Alternatively,

Second message is sent to the server, so that the server will be described straight according to second message determination When connecing communication path and being switched to the network communication path；Alternatively,

Second message is sent to the server, so that the server will be described straight according to second message determination When connecing communication path and being switched to the network communication path, the 5th message is sent to the MME, is carried in the 5th message The first identifier, so that the MME is determined according to the 5th message is switched to the net by the direct communication path Network communication path, the MME send the message for carrying the first identifier to the base station, so that the base station is to described first User equipment carries the message of the first identifier；Alternatively,

Third message is sent to the MME, so that the MME is determined according to the third message by the direct communication Path is switched to the network communication path.

In second of possible realization method, in conjunction with the first possible realization side of the 5th aspect or the 5th aspect Formula, the receiving unit are specifically used for receiving the path switching request that the third equipment is sent；

The direct communication path is switched to by the determination unit specifically for being determined according to the path switching request The corresponding EPS carryings of the first identifier；

In the third possible realization method, in conjunction with the 5th aspect to second of possible realization method of the 5th aspect In any one, the determination unit is specifically used for the preferential of the TFT of the corresponding direct communication path of the first identifier Grade be adjusted to less than the EPS carrying TFT priority so that first user equipment by the EPS carrying with The second user equipment carries out data transmission.

In the 4th kind of possible realization method, in conjunction with the first possible realization side of the 5th aspect or the 5th aspect Formula, the receiving unit are specifically used for receiving the third equipment and send the 8th message, and described the is carried in the 8th message One mark；

The then determination unit, specifically for establishing EPS carryings according to the 8th message；Alternatively,

The receiving unit is specifically used for receiving the 9th message that the third equipment is sent, be taken in the 9th message With the first identifier；

The then determination unit is specifically used for obtaining the corresponding service of the first identifier according at least to the first identifier Quality Q oS sends the 14th message to the MME, the QoS is carried in the 14th message, so that the MME roots It is that first user equipment establishes EPS carryings according to the QoS.

In the 5th kind of possible realization method, in conjunction with the 5th aspect to the 4th kind of possible realization method of the 5th aspect In any one, further include in the message：The second user of the first identifier and second user equipment of first user equipment Mark.

In the 6th kind of possible realization method, in conjunction with the 5th aspect to the 5th kind of possible realization method of the 5th aspect In any one, the transmission unit is additionally operable to：

The 15th message is sent to the base station, the 15th message carries the first identifier, so that the base station It is first user equipment and/or the resource that second user equipment is distributed to discharge or delete according at least to the first identifier； Alternatively,

The 15th message is sent to the server, the 15th message carries the first identifier, so that the clothes Business device knows that the path switching is completed, and the 16th message for carrying the first identifier is sent to the MME, so that described MME sends the 17th message for carrying the first identifier to the base station, so that the base station is according at least to first mark It is first user equipment and/or the resource that second user equipment is distributed to know release or delete.

In the 7th kind of possible realization method, in conjunction with the 5th aspect the 6th kind of possible realization method, the described tenth The first information is also carried in five message, so that the base station sends the message for carrying the first information to the MME, so that institute It states MME and charging is carried out according to the first information；Alternatively,

The first information includes data traffic and/or call duration time.

6th aspect provides a kind of equipment of path switching, and the equipment is specially the 4th equipment, the 4th equipment packet It includes：Receiving unit, determination unit and transmission unit；

The receiving unit, the message for receiving the first user equipment and/or the transmission of second user equipment, the message In carry first identifier, the message for making the 4th equipment know the corresponding signal strength of the first identifier, or The direct communication path of first user equipment and second user equipment room is switched for first user equipment requests For network communication path；

The transmission unit, for sending request to mobility management entity MME, the request includes first mark Know, so that the MME determines that first user equipment and/or the corresponding EPS of second user equipment are held according to the request Carry, first user equipment and the second user equipment according to EPS carryings completion by the direct communication path to The path handoff procedure of the network communication path.

In the first possible implementation, in conjunction with the 6th aspect, the determination unit is specifically used for：

If the corresponding signal strength of the first identifier carried in the message is less than or equal to preset value, it is determined that will The direct communication path is switched to the network communication path；Alternatively,

The message is to know that first user equipment and/or the second user equipment are asked for first equipment When asking switching request or handoff notification message that the direct communication path is switched to the network communication path, according to described Message determines the direct communication path being switched to the network communication path.

In second of possible realization method, in conjunction with the first possible realization side of the 6th aspect or the 6th aspect Formula, the receiving unit, is additionally operable to：

4th equipment further includes：Deleting unit；

The deleting unit, for according at least to the first identifier discharge or delete be first user equipment and/ Or the resource of the second user equipment distribution；

The transmission unit is additionally operable to send the 13rd to first user equipment and/or the second user equipment Message, the 13rd message is used to indicate first user equipment and/or the second user equipment is known described in progress Path switches.

The embodiment of the present invention provides a kind of method, equipment and the user equipment of path switching, the method includes：First uses Family equipment sends message to third equipment, first identifier is carried in the message, the message is for making the third equipment Know the corresponding signal strength of the first identifier, or for first user equipment requests will first user equipment with The direct communication path of second user equipment room is switched to network communication path, so that the third equipment is according to the message It determines and the direct communication path is switched to the network communication path；First user equipment receives the third equipment The message for including the first identifier sent determines according to the message direct communication path being switched to the network Communication path.

By this programme, enable to be in direct communication path covering model using the UE that direct communication path is communicated When except enclosing, it can determine and need direct communication path being switched to network communication path, and UE successful switch is enabled to arrive Network communication path, in turn, can between the UE that is communicated of utility direct communication path data transmission continuity, carry High user experience.

Description of the drawings

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with Obtain other attached drawings according to these attached drawings.

Fig. 1 is a kind of flow diagram of the method for path switching provided in an embodiment of the present invention；

Fig. 2 is the flow diagram of the method for another path switching provided in an embodiment of the present invention；

Fig. 3 is the flow diagram of the method for another path provided in an embodiment of the present invention switching；

Fig. 4 is a kind of interaction schematic diagram of the method for path switching provided in an embodiment of the present invention；

Fig. 5 is the interaction schematic diagram of the method for another path switching provided in an embodiment of the present invention；

Fig. 6 is the interaction schematic diagram of the method for another path provided in an embodiment of the present invention switching；

Fig. 7 is a kind of structural schematic diagram of first equipment provided in an embodiment of the present invention；

Fig. 8 is the structural schematic diagram of another first equipment provided in an embodiment of the present invention；

Fig. 9 is a kind of structural schematic diagram of first user equipment provided in an embodiment of the present invention；

Figure 10 is a kind of structural schematic diagram of 4th equipment provided in an embodiment of the present invention；

Figure 11 is the structural schematic diagram of another 4th equipment provided in an embodiment of the present invention；

Figure 12 is the structural schematic diagram of another the first equipment provided in an embodiment of the present invention；

Figure 13 is the structural schematic diagram of another the first equipment provided in an embodiment of the present invention；

Figure 14 is the structural schematic diagram of another first user equipment provided in an embodiment of the present invention；

Figure 15 is the structural schematic diagram of another 4th equipment provided in an embodiment of the present invention.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

The terms "and/or", only a kind of incidence relation of description affiliated partner, indicates that there may be three kinds of passes System, for example, A and/or B, can indicate：Individualism A exists simultaneously A and B, these three situations of individualism B.In addition, herein Middle character "/", it is a kind of relationship of "or" to typically represent forward-backward correlation object.

Embodiment one,

The embodiment of the present invention provides a kind of method of path switching, and the method is applied to the first equipment, and described first sets It is standby to be specifically as follows mobility management entity (Mobility Management Entity, MME), as shown in Figure 1, the method Including：

101, the first equipment is determined is switched to net by the direct communication path of the first user equipment and second user equipment room Network communication path obtains first identifier.

It should be noted that the direct communication path between the first user equipment and second user equipment has corresponding mark Know.Wherein, the first identifier is used to identify being directly connected to for first user equipment and the second user equipment room (direct connection)；Alternatively, the first identifier is for identifying the first user equipment and the second user equipment room Direct communication (direct communication or direct one-to-one communication)；Alternatively, described One mark is for identifying the direct communication path；Alternatively, the first identifier is for identifying in the direct communication path At least one carrying.

Specifically, first user equipment can send third message to first equipment, in the third message Carry the first identifier.The third message can also specifically carry the corresponding signal strength of the first identifier；Alternatively, The third message specifically also indicates first equipment and the direct communication path is switched to the network communication path, this When, the third message is specifically as follows path switching request message or path handoff notification message.First equipment receives To after the third message, is determined according to the third message and the direct communication path is switched to network communication path.

Optionally, first user equipment can also send first to the base station for the first user equipment service and disappear It ceases, the first identifier is carried in the first message.The first message can also specifically carry the first identifier pair The signal strength answered；Alternatively, the first message specifically also indicate the base station direct communication path is switched to it is described Network communication path, at this point, the first message is specifically as follows path switching request message or path handoff notification message.Institute It states after base station receives the first message, the direct communication path is switched to by network according to first message determination and is led to Believe path.In turn, the base station sends the 4th message to first equipment, and first mark is carried in the 4th message Know.4th message can be path switching request message or path handoff notification message.

Optionally, first user equipment sends second message to for the server of the first user equipment service, The first identifier is carried in the second message.It is corresponding that the second message can also specifically carry the first identifier Signal strength；Alternatively, the second message specifically also indicates the server is switched to the net by the direct communication path Network communication path, at this point, the second message is specifically as follows path switching request message or path handoff notification message.It is described After server receives the second message, the direct communication path is switched to by network according to second message determination and is led to Believe path.In turn, the server sends the 5th message to first equipment, and described first is carried in the 5th message Mark.5th message can be path switching request message or path handoff notification message.

In the embodiment of the present invention, the corresponding signal strength of first identifier refers to first user that first identifier is identified The signal strength of equipment and the second user equipment room being directly connected to；Alternatively, the first identifier identified described The signal strength of the direct communication of one user equipment and the second user equipment room；Alternatively, what the first identifier was identified The signal strength of the direct communication path；Alternatively, in the direct communication path that the first identifier is identified at least The signal strength of one carrying.

Here, network communication path (infrastructure communication path or the packet-based core networks of evolution Path) refer to communication path that is traditional, need to being communicated by core network element SGW, PGW.There is this and says in subsequent embodiment Method, understanding identical as the present embodiment.

102, first equipment determines first user equipment and/or the second user according to the first identifier The EPS of equipment is carried, so that first user equipment is completed according to EPS carryings by institute with the second user equipment State direct communication path to the network communication path path handoff procedure.

After the direct communication path is switched to network communication path by first equipment determination, according to described the One mark determines the grouping system (Evolved of the evolution of first user equipment and/or the second user equipment Packet System, EPS) carrying (bearer).

Specifically, the EPS carryings can be the first equipment determination is switched to network by the direct communication path After communication path, first equipment and can be described with first user equipment and the second user equipment First user equipment and the gateway device of the second user device service are communicated, and are first user equipment and described Second user equipment establishes EPS carryings.And after the completion of the EPS is carried and is established, first user equipment and described second User equipment is completed to be switched by the path of the direct communication path to the network communication path according to EPS carryings Journey.

Illustratively, first equipment can be according to the corresponding service quality of the first identifier (Quality of Service, QoS) it is that first user equipment and the second user equipment establish the EPS carryings.Certainly, described first Equipment can also be according to first user equipment and the direct message transmission rate of the second user equipment or data transmission Amount or data transmission delay etc. establish the EPS carryings.

Here, the corresponding QoS of first identifier refers to first user equipment and described second that first identifier is identified The QoS being directly connected between user equipment；Alternatively, first user equipment and described second that the first identifier is identified The QoS of direct communication between user equipment；Alternatively, the QoS for the direct communication path that the first identifier is identified；Or Person, the QoS of at least one of described direct communication path that the first identifier is identified carrying.Subsequent embodiment is somebody's turn to do Saying, understanding identical as the present embodiment.

Certainly, in order to improve user experience, the EPS carryings can also be that first user equipment and described second are used Family equipment shift to an earlier date with for first user equipment and the gateway device of the second user device service foundation.So that described First user equipment and the second user equipment know to carry out by direct communication path to network communication path switching it Afterwards, it is carried, is carried out data transmission according to the corresponding established EPS of the first identifier.

Here, the corresponding EPS carryings of first identifier refer to when carrying out path switching, being identified with the first identifier The corresponding EPS that is directly connected to of first user equipment and the second user equipment room is carried；Alternatively, with described first The corresponding EPS carryings of direct communication of first user equipment and the second user equipment room that are identified；Or Person, EPS carryings corresponding with the direct communication path that the first identifier is identified；Alternatively, with the first identifier At least one of described direct communication path identified carries corresponding EPS carryings.There is the saying in subsequent embodiment, Understanding identical as the present embodiment.

It should be noted that for base station, MME and the service of first user equipment and the second user device service Any one of gateway devices such as device can be the same, can also be different.Specifically, being first user equipment Server, MME, base station with the second user device service can be：Server, MME, base station are all identical；Alternatively, Server is identical with MME, and base station is different；Alternatively, server is identical, MME and base station difference；Alternatively, server, MME and base station It is all different.

Further, it in order to save resource, is completed by described in first user equipment and the second user equipment Before direct communication path to the switching of network communication path, need for first user equipment and the second user equipment It is first user equipment and the resource that the second user equipment is distributed that the base station of service, which discharges or deletes,.

Specifically, first equipment can send the 12nd message to the base station, the 12nd message carries institute State first identifier.After the base station receives the 12nd message, it is described to discharge or delete according at least to the first identifier First user equipment and/or the resource of second user equipment distribution.The base station is to first user equipment and/or described Two user equipmenies send the 13rd message, and the 13rd message is used to indicate first user equipment and/or described second User equipment, which is known, carries out the path switching.

It should be noted that the first user equipment and/or second user equipment that are related to described in the embodiment of the present invention, when When identical with the MME of the second user device service for first user equipment, for " and " relationship, when being described first It is the relationship of "or" when user equipment and the MME differences of the second user device service.

An embodiment of the present invention provides a kind of method of path switching, the first equipment is determined the first user equipment and second Direct communication path between user equipment is switched to network communication path, obtains first identifier；First equipment is according to First identifier determines the grouping system EPS carryings of the evolution of first user equipment and/or the second user equipment, so that First user equipment is obtained to be completed by the direct communication path to institute according to EPS carryings with the second user equipment State the path handoff procedure of network communication path.

Embodiment two,

An embodiment of the present invention provides a kind of methods of path switching, and executive agent of the invention is the first user equipment, As shown in Fig. 2, the method includes：

201, the first user equipment sends message to third equipment, and first identifier, the message are carried in the message It is incited somebody to action for making the third equipment know the corresponding signal strength of the first identifier, or for first user equipment requests The direct communication path of first user equipment and second user equipment room is switched to network communication path, so that described Three equipment are determined according to the message is switched to the network communication path by the direct communication path.

202, first user equipment receives the message for including the first identifier that the third equipment is sent, according to The message is determined is switched to the network communication path by the direct communication path.

Specifically, first user equipment receives the path switching request that the third equipment is sent, according to the road Diameter switching request determines that the direct communication path, which is switched to the corresponding EPS of the first identifier, to be carried.

Wherein, what EPS carrying was that first user equipment receives that the third equipment sends includes described first After the message of mark, the corresponding service quality QoS of the first identifier is obtained according at least to the first identifier, and to described It is established after the tenth message of the MME transmission carryings QoS；Alternatively, EPS carrying is first user equipment to described Before third equipment sends message, the corresponding service quality QoS of the first identifier is obtained according at least to the first identifier, and It is established after to the tenth message of the mobile management entity transmission carrying QoS.

Optionally, first user equipment receives the message for including the first identifier that the third equipment is sent, After the direct communication path is switched to the network communication path according to message determination, further include：

Further, the first identifier is also carried in the 15th message, further includes：

15th message also carries the first information, so that the base station is sent to the MME carries first letter The message of breath, so that the MME carries out charging according to the first information.Alternatively, the 15th message also carries the first letter Breath, so that the base station sends the message for carrying the first information to the MME, so that the MME is sent out to the server The message for carrying the first information is sent, so that the server carries out charging according to the first information.

Wherein, the first information includes data traffic and/or call duration time.

An embodiment of the present invention provides a kind of method of path switching, the first user equipment sends message to third equipment, First identifier is carried in the message, the message is for making the third equipment know the corresponding signal of the first identifier Intensity, or for first user equipment requests by the direct communication road of first user equipment and second user equipment room Diameter is switched to network communication path, switches the direct communication path so that the third equipment is determined according to the message For the network communication path；First user equipment receives the disappearing including the first identifier that the third equipment is sent Breath determines according to the message direct communication path being switched to the network communication path.

Embodiment three,

An embodiment of the present invention provides a kind of path switching method, the method be applied to the 4th equipment, the described 4th Equipment can be for server or base station, as shown in figure 3, the method includes：

301, the 4th equipment receives the message of the first user equipment and/or the transmission of second user equipment, is taken in the message With first identifier, the message is used to that the third equipment to be made to know the corresponding signal strength of the first identifier, or is used for The direct communication path of first user equipment and second user equipment room is switched to net by first user equipment requests Network communication path.

302, the 4th equipment is determined according to the message is switched to the network communication by the direct communication path Path.

303, the 4th equipment sends request to mobility management entity MME, and the request includes first mark Know, so that the MME determines that first user equipment and/or the corresponding EPS of second user equipment are held according to the request Carry, first user equipment and the second user equipment according to EPS carryings completion by the direct communication path to The path handoff procedure of the network communication path.

An embodiment of the present invention provides a kind of method of path switching, the 4th equipment receives the first user equipment and/or the The message that two user equipmenies are sent carries first identifier in the message, and the message is for making the third equipment know The corresponding signal strength of the first identifier, or for first user equipment requests by first user equipment and second Direct communication path between user equipment is switched to network communication path；4th equipment will be described according to the message determination Direct communication path is switched to the network communication path；4th equipment sends request, institute to mobility management entity MME It includes the first identifier to state request, so that the MME is according to request determination first user equipment and/or the The corresponding EPS carryings of two user equipmenies, first user equipment are carried according to the EPS with the second user equipment and are completed By the path handoff procedure of the direct communication path to the network communication path.

Example IV,

An embodiment of the present invention provides a kind of methods of path switching, as shown in figure 4, the method includes：

401, the first user equipment sends first message to base station, and first identifier is carried in the first message.

Carry the first identifier in the first message, the first message is for making the base station know described the One identifies corresponding signal strength or first user equipment and/or the second user device request will be described directly logical Letter path is switched to the network communication path.

402, the base station determines whether to carry out path switching according to the first message.

It is described when carrying the first identifier and the corresponding signal strength of the first identifier in the first message Base station judges whether the corresponding signal strength values of the first identifier are greater than or equal to preset value.If the first identifier is corresponding Signal strength values are greater than or equal to the preset value, it was demonstrated that first user equipment is directly logical with the second user equipment Believe that path signal is second-rate, needs to carry out being switched to network communication path by the direct communication path.

When the first message be carry the first identifier path switching request message or path switching notice disappear When breath, the base station, which determines, to be needed to carry out path switching.

When the base station determines progress path switching, step 403 is executed.

403, the base station sends the 4th message to MME, and the first identifier is carried in the 4th message.

Specifically, the 4th message can be path switching request message or path handoff notification message.

404, the MME is cut to server transmitting path switching request message or path handoff notification message, the path It changes in request message or path handoff notification message and carries the first identifier.

405, the server is to the MME transmitting pathes switching response message.

406, the MME determines the corresponding QoS of the first identifier according to the first identifier.

The mark and the correspondence of corresponding QoS of direct communication path are stored in the MME.

It should be noted that after MME obtains the corresponding QoS of the first identifier, it can be further according to the QoS Determine whether to carry out path switching.Specifically, first equipment judges whether according to the QoS by the direct communication path It is switched to the network communication path；If first equipment judges the direct communication path being switched to the network communication Path determines that the EPS of first user equipment and/or the second user equipment is carried according to the first identifier.

First equipment judges whether the direct communication path being switched to the network communication road according to the QoS Diameter specifically includes：First equipment directly judges whether network provides the EPS carryings of the QoS according to the QoS, if so, Then judge the direct communication path being switched to the network communication path.Alternatively, first equipment is set to the gateway Preparation send the request message for carrying the QoS, so that the gateway device is to policy charging rule functional entity (Policy and Charging Rules Function, PCRF) request message for carrying the QoS is sent, the PCRF sentences according to the QoS Whether circuit network provides the EPS carryings of the QoS, if so, judging that the direct communication path, which is switched to the network, to be led to Believe path.Alternatively, first equipment sends the request message for carrying the QoS to the server, the server is to institute It states PCRF and sends the request message for carrying the QoS, described in the PCRF judges whether network can provide according to the QoS The EPS of QoS is carried, if so, judging the direct communication path being switched to the network communication path.

407, the MME establishes bearing request message, described establish in bearing request message is taken via SGW to PGW transmissions With the QoS.

408, the PGW sends update/foundation carrying request via the SGW to the MME.

409, the MME sends downlink NAS to the base station and transmits message, is carried in the downlink NAS transmission message First identifier and the corresponding EPS load identifications of the first identifier.

Wherein, downlink Non-Access Stratum (Non Access Stratum, NAS) the transmission message is the letter between UE and MME Enable message.NAS message is to be sent to UE by base station, but base station does not parse the NAS message.

410, the base station is sent to first user equipment directly transmits message, is carried in the direct transmission message There are the first identifier and the corresponding EPS load identifications of the first identifier.

Here, the corresponding EPS load identifications of first identifier refer to when carrying out path switching, being marked with the first identifier The mark for being directly connected to corresponding EPS carryings of first user equipment and the second user equipment room known；Alternatively, It is corresponding with first user equipment and the direct communication of second user equipment room that the first identifier is identified The mark of EPS carryings；Alternatively, the mark of EPS carryings corresponding with the direct communication path that the first identifier is identified Know；Alternatively, EPS corresponding with the carrying of at least one of the direct communication path that the first identifier is identified is carried Mark.There is the saying in subsequent embodiment, understanding identical as the present embodiment.

411, first user equipment is switched to the corresponding EPS of the EPS load identifications by the direct communication path Carrying.

In order to save the resource that base station is the first user equipment and second user equipment is distributed, before carrying out step 411, The method further includes：

412, first equipment sends the 12nd message to the base station, and the first identifier is carried in the message Corresponding mark is carried with the EPS.

413, it is first user equipment and/or second that the base station, which discharges or deleted according at least to the first identifier, The resource of user equipment distribution.

414, the base station sends the 13rd message to first user equipment, and the 13rd message is used to indicate institute It states the first user equipment and/or the second user equipment knows the progress path switching.

Certainly, first user equipment and the second user equipment can not also be by for first user equipmenies With the base station of the second user device service, and directly to for first user equipment and the second user device service MME send identical with first message content third message, determined whether the direct communication path by the MME It is switched to the network communication path, and obtains the first identifier.And after the MME determines progress path switching, to institute State for first user equipment and the server of the second user device service send the path switching request message or Path handoff notification message executes step 405-411 later.

Optionally, first user equipment and the second user equipment can not also be by setting for first user The base station of the standby and described second user device service, and directly taken to for first user equipment and the second user equipment The server of business sends second message identical with the first message content, and being determined whether by the server will be described direct Communication path is switched to the network communication path, and obtains the first identifier.And it is determined in the server and carries out path After switching, sends the path for first user equipment and the server of the second user device service to described and switch Request message or path handoff notification message execute step 406-411 later.

It should be noted that in order to ensure first user equipment, and it is direct with first user equipment progress The normal communication of the second user equipment of communication path connection, first user equipment need same with the second user equipment When by the direct communication path handover network communication path.Above-mentioned steps are only by taking the first user equipment carries out path switching as an example It illustrates, the second user equipment carries out the mistake of the process and first user equipment progress path switching of path switching Cheng Xiangtong.

Specifically, when the server, MME, base station for first user equipment and the second user device service all When identical, the base station also needs to send the direct transmission message, the second user equipment to the second user equipment After receiving the direct transmission message, institute can be switched to by the direct communication path according to the direct transmission message State the corresponding EPS carryings of EPS load identifications.

When identical with server, the MME of the second user device service for first user equipment, and base station is different When, the MME will also obtain the second user mark of the second user equipment according to the first identifier, according to described second User identifier obtain be second user mark service the second base station, then, to for the second user device service Second base station sends the downlink NAS and transmits message, and process identical with above-mentioned base station is completed in second base station.

When identical with the server of the second user device service for first user equipment, and MME and base station are not Meanwhile the MME will also obtain the second user mark of the second user equipment according to the first identifier；According to described The second user mark of two user equipmenies obtain be the second user device service the second equipment, then, to being described the Second equipment of two user equipment services sends the first request message, and first request message includes the second user equipment Second user mark and the first identifier so that second user of second equipment according to the second user equipment Mark and the first identifier are that the second user equipment establishes the EPS carryings.Second equipment is according to described first It is identified as the second user equipment and determines that the method for EPS carrying with first equipment is institute according to the first identifier It states the first user equipment and determines that the method for the EPS carryings is identical, details are not described herein for the embodiment of the present invention.

When all different for server, MME and the base station of first user equipment and the second user device service, The MME is also needed to：The second user mark of second user equipment is obtained according to the first identifier；To for first user The first server of device service sends the second request message, and second request message includes the of the second user equipment Two user identifiers and the first identifier；Then, the first server is according to the second user mark of the second user equipment Know the second server obtained as the second user device service, and sends the second user to the second server and set Standby second user mark and the first identifier, so that the second server sends third request to second equipment Message, second equipment are second use according to the second user of second user equipment mark and the first identifier Family equipment determines the EPS carryings.Second equipment is described in the second user equipment determines according to the first identifier The method of EPS carryings is that first user equipment determines that the EPS is carried according to the first identifier with first equipment Method it is identical, details are not described herein for the embodiment of the present invention.

The embodiment of the present invention provides a kind of method of path switching, as shown in figure 5, the method includes；

501, the first user equipment sends first message to base station, and first identifier is carried in the first message.

502, the base station determines whether to carry out path switching according to the first message.

When the base station determines progress path switching, step 503 is executed.

503, the base station sends the 4th message to MME, and the first identifier is carried in the 4th message.

504, the MME is cut to server transmitting path switching request message or path handoff notification message, the path It changes in request message or path handoff notification message and carries the first identifier.

505, the server is to the MME transmitting pathes switching response message.

506, the MME determines the corresponding QoS of the first identifier according to the first identifier.

507, the MME is to the first user equipment transmitting path switching request message or path handoff notification message, The first identifier is carried in the path switching request message or path handoff notification message.

508, first user equipment is according to the path switching request message or path handoff notification message, and described MME is interacted, and obtains the EPS carryings that network communication path is switched to by the direct communication path, and be switched to the net Network communication path.

Certainly, first user equipment and the second user equipment can not also be by for first user equipmenies With the base station of the second user device service, and directly to for first user equipment and the second user device service MME send identical with first message content third message, determined whether the direct communication path by the MME It is switched to the network communication path, and obtains the first identifier.And after the MME determines progress path switching, to institute State for first user equipment and the server of the second user device service send the path switching request message or Path handoff notification message executes step 506-508 later.

Optionally, first user equipment and the second user equipment can not also be by setting for first user The base station of the standby and described second user device service, and directly taken to for first user equipment and the second user equipment The server of business sends second message identical with the first message content, and being determined whether by the server will be described direct Communication path is switched to the network communication path, and obtains the first identifier.And it is determined in the server and carries out path After switching, sends the path for first user equipment and the server of the second user device service to described and switch Request message or path handoff notification message execute step 506-508 later.

Specifically, when the server, MME, base station for first user equipment and the second user device service all When identical, the MME also needs to send the path switching request message or path switching notice to first user equipment Message, it is and described so that the second user equipment is according to the path switching request message or path handoff notification message MME is interacted, and obtains the EPS carryings that network communication path is switched to by the direct communication path, and be switched to the net Network communication path.

When identical with the server of the second user device service for first user equipment, and MME and base station are not Meanwhile the MME will also obtain the second user mark of the second user equipment according to the first identifier；According to described The second user mark of two user equipmenies obtain be the second user device service the second equipment, then, to being described the Second equipment of two user equipment services sends the first request message, and first request message includes the second user equipment Second user mark and the first identifier so that second equipment sends the path to the second user equipment Switching request message or path handoff notification message, the second user equipment is according to the path switching request message or path Handoff notification message is interacted with second equipment, is obtained and is switched to network communication path by the direct communication path EPS carryings, and be switched to the network communication path.

When all different for server, MME and the base station of first user equipment and the second user device service, The MME is also needed to：The second user mark of second user equipment is obtained according to the first identifier；To for first user The first server of device service sends the second request message, and second request message includes the of the second user equipment Two user identifiers and the first identifier；Then, the first server is according to the second user mark of the second user equipment Know the second server obtained as the second user device service, and sends the second user to the second server and set Standby second user mark and the first identifier, so that the second server sends third request to second equipment Message, the second user equipment send the path switching request message or path handoff notification message, the second user Equipment is interacted according to the path switching request message or path handoff notification message with second equipment, obtain by The direct communication path is switched to the EPS carryings of network communication path, and is switched to the network communication path.

Preferably, it in order to ensure user experience, (is wrapped to Network Management Equipment in first user equipment or second user equipment Include base station, MME, server etc.) send the message for carrying the first identifier before, first user equipment and described second User equipment establishes the corresponding EPS carryings of the first identifier, and method for building up is same as the previously described embodiments, the embodiment of the present invention Details are not described herein.Illustratively, it is illustrated with Fig. 6, the method specifically includes：

601, the first user equipment sends first message to base station, and first identifier is carried in the first message.

602, the base station determines whether to carry out path switching according to the first message.

When the base station determines progress path switching, step 603 is executed.

603, the base station sends the 4th message to MME, and the first identifier is carried in the 4th message.

604, the MME is cut to server transmitting path switching request message or path handoff notification message, the path It changes in request message or path handoff notification message and carries the first identifier.

605, the server is to the MME transmitting pathes switching response message.

606, the MME sends message to the base station, and first identifier is carried in the message.

607, the base station sends message to first user equipment, and the first identifier is carried in the message.

The message is specifically as follows wireless heterogeneous networks (Radio Resource Control, RRC) request message.

608, the message that first user equipment is sent according to the base station, determination are corresponding with the first identifier EPS is carried, and is carried out data transmission according to the EPS and the second user equipment.

Further, in order to save Internet resources, release base station is that first user equipment and the second user are set The resource that back-up is matched, the method further include：

609, first user equipment sends message to the base station, and the first identifier is carried in the message.

Specifically, the message can be RRC response messages.

610, it is first user equipment and/or second that the base station, which discharges or deleted according at least to the first identifier, The resource of user equipment distribution.

611, the base station sends the message that resource discharges to the MME.

Wherein, EPS corresponding with the first identifier, which is carried, refers to and first user equipment and the second user Equipment room is directly connected to corresponding EPS carryings；Alternatively, EPS carryings corresponding with the direct communication path；Alternatively, with institute State the carrying corresponding points EPS carryings of at least one of direct communication path.

It should be noted that when the corresponding mark of different direct communication paths may be identical, in order to distinguish different use Direct communication path between the equipment of family, above-mentioned first user equipment or second user equipment are sent in the message of gateway device Can also include：The second identifier of the first identifier and second user equipment of first user equipment.

The embodiment of the present invention provides a kind of method of path switching, and the first equipment, which determines, uses the first user equipment and second The direct communication path of family equipment room is switched to network communication path, obtains first identifier；First equipment is according to described One mark determines the grouping system EPS carryings of the evolution of first user equipment and/or the second user equipment, so that First user equipment is carried according to the EPS with the second user equipment and is completed by the direct communication path described in The path handoff procedure of network communication path.

Embodiment five,

The embodiment of the present invention provides a kind of first equipment, as shown in fig. 7, the equipment is specially the first equipment 70, it is described First equipment 70 includes：First determination unit 71 and the second determination unit 72；

First determination unit 71, for determining the direct communication road of the first user equipment and second user equipment room Diameter is switched to network communication path, obtains first identifier.

Second determination unit 72, for determining first user equipment and/or described according to the first identifier The grouping system EPS carryings of the evolution of second user equipment, so that first user equipment and the second user equipment The path handoff procedure completed by the direct communication path to the network communication path is carried according to the EPS.

Wherein, the first determination unit 71 is specifically used for：

Further, first determination unit 71, also particularly useful for：

Similar, the second determination unit 72 is specifically used for：

Further, the second determination unit 72, also particularly useful for：

Further, second determination unit 72, also particularly useful for：

Further, second determination unit 72, is specifically used for：

Further, second determination unit 72 is specifically used for using to first user equipment and/or described second Family equipment transmission includes the message of the first identifier, so that first user equipment and/or the second user equipment According to the first identifier, the corresponding EPS carryings of the first identifier are searched.

Further, further include in the first message, second message or third message：The of first user equipment The second user of one user identifier and the second user equipment identifies.

Further, second determination unit 72 is specifically used for according to the first identifier, first user identifier It is identified with the second user, obtains the corresponding QoS of the first identifier.

As shown in figure 8, first equipment 70 further includes：Obtaining unit 73.

The obtaining unit 73, the second user mark for obtaining the second user equipment according to the first identifier Know.

The obtaining unit 73, it is described second to be additionally operable to be obtained according to the second user of second user equipment mark Second equipment of user equipment service.

Then, second determination unit 72, is specifically used for：

Optionally, first equipment 70 further includes：Obtaining unit 73.

The obtaining unit 73, the second user for obtaining second user equipment according to the first identifier identify.

Then second determination unit 72, is specifically used for：

Further, as shown in figure 8, first equipment further includes：Transmission unit 74.

The transmission unit 74, for sending the 12nd message to the base station, the 12nd message carries described the One mark, so that it is first user equipment and/or second that the base station, which discharges or deleted according at least to the first identifier, The resource of user equipment distribution, so that the base station sends the to first user equipment and/or the second user equipment 13 message, the 13rd message is used to indicate first user equipment and/or the second user equipment knows progress The path switching.

The embodiment of the present invention provides a kind of first equipment, and first determination unit is determined the first user equipment and second Direct communication path between user equipment is switched to network communication path, obtains first identifier；Second determination unit according to The first identifier determines the grouping system EPS carryings of the evolution of first user equipment and/or the second user equipment, So that first user equipment is completed according to EPS carryings by the direct communication path with the second user equipment To the path handoff procedure of the network communication path.

Embodiment six,

The embodiment of the present invention provides a kind of first user equipment, as shown in figure 9, first user equipment 90 specifically wraps It includes：Transmission unit 91, receiving unit 92 and determination unit 93.

The transmission unit 91 is used to send message to third equipment, first identifier is carried in the message, described to disappear Breath is for making the third equipment know the corresponding signal strength of the first identifier, or is used for first user equipment requests The direct communication path of first user equipment and second user equipment room is switched to network communication path, so that described Third equipment is determined according to the message is switched to the network communication path by the direct communication path.

The receiving unit 92, the message for including the first identifier sent for receiving the third equipment.

The determination unit 93 is led to for the direct communication path to be switched to the network according to message determination Believe path.

Further, the third equipment is specifically for the base station of the first user equipment service or mobile management reality Body MME or server；The transmission unit 91, is specifically used for：

Further, the receiving unit 92 is specifically used for receiving the path switching request that the third equipment is sent；

The determination unit 93 switches the direct communication path specifically for being determined according to the path switching request For the corresponding EPS carryings of the first identifier；

Further, the determination unit 93 is specifically used for the TFT of the corresponding direct communication path of the first identifier Priority be adjusted to less than the EPS carrying TFT priority so that first user equipment passes through the EPS Carrying carries out data transmission with the second user equipment.

Further, the receiving unit 92 is specifically used for receiving the third equipment and sends the 8th message, and the described 8th The first identifier is carried in message；

The then determination unit 93, specifically for establishing EPS carryings according to the 8th message；Alternatively,

The receiving unit 92, is specifically used for receiving the 9th message that the third equipment is sent, in the 9th message Carry the first identifier；

The then determination unit 93 is specifically used for obtaining the corresponding clothes of the first identifier according at least to the first identifier Be engaged in quality Q oS, sends the 14th message to the MME, the QoS is carried in the 14th message, so that the MME It is that first user equipment establishes EPS carryings according to the QoS.

Further, further include in the message：The first identifier of first user equipment and the second of second user equipment User identifier.

Further, the transmission unit 91, is additionally operable to：

Further, the first information is also carried in the 15th message, is carried so that the base station is sent to the MME The message of the first information, so that the MME carries out charging according to the first information；Alternatively,

The first information includes data traffic and/or call duration time.

The embodiment of the present invention provides a kind of first user equipment, and the transmission unit sends message to third equipment, described First identifier is carried in message, the message is for making the third equipment know that the corresponding signal of the first identifier is strong Degree, or for first user equipment requests by the direct communication path of first user equipment and second user equipment room It is switched to network communication path, is switched to the direct communication path so that the third equipment is determined according to the message The network communication path；The receiving unit receives the message for including the first identifier that the third equipment is sent, root It is determined according to the message and the direct communication path is switched to the network communication path.

Embodiment seven,

The embodiment of the present invention provides a kind of 4th equipment, and as shown in Figure 10, the 4th equipment 100 includes：Receiving unit 101, determination unit 102 and transmission unit 103.

The receiving unit 101, the message for receiving the first user equipment and/or the transmission of second user equipment are described First identifier is carried in message, the message is for making the 4th equipment know that the corresponding signal of the first identifier is strong Degree, or for first user equipment requests by the direct communication path of first user equipment and second user equipment room It is switched to network communication path.

The direct communication path is switched to the network by the determination unit 102 for being determined according to the message Communication path.

The transmission unit 103, for sending request to mobility management entity MME, the request includes described the One mark, so that the MME determines that first user equipment and/or second user equipment are corresponding according to the request EPS is carried, and first user equipment is completed according to EPS carryings by the direct communication road with the second user equipment Path handoff procedure of the diameter to the network communication path.

The determination unit 102, is specifically used for：

The receiving unit 101, is additionally operable to：

As shown in figure 11, the 4th equipment 100 further includes：Deleting unit 104.

The deleting unit 104 is first user equipment for discharging or deleting according at least to the first identifier And/or the resource of the second user equipment distribution.

Then, the transmission unit 103 is additionally operable to send to first user equipment and/or the second user equipment 13rd message, the 13rd message is used to indicate first user equipment and/or the second user equipment know into The row path switching.

The embodiment of the present invention provides a kind of 4th equipment, and the receiving unit receives the first user equipment and/or the second use The message that family equipment is sent carries first identifier in the message, and the message is described for making the third equipment know The corresponding signal strength of first identifier, or first user equipment requests are used for by first user equipment and second user The direct communication path of equipment room is switched to network communication path；The determination unit is determined according to the message will be described direct Communication path is switched to the network communication path；The transmission unit sends request to mobility management entity MME, described to ask It includes the first identifier to ask, so that the MME determines first user equipment and/or the second use according to the request The corresponding EPS carryings of family equipment, first user equipment are completed according to EPS carryings by institute with the second user equipment State direct communication path to the network communication path path handoff procedure.

Embodiment eight,

The embodiment of the present invention provides a kind of first equipment, and as shown in figure 12, the equipment is specially the first equipment 120, institute Stating the first equipment 120 includes：Processor 121；

The processor 121 cuts the direct communication path of the first user equipment and second user equipment room for determining It is changed to network communication path, obtains first identifier.

The processor 121 is additionally operable to determine first user equipment and/or described second according to the first identifier The grouping system EPS carrying of the evolution of user equipment so that first user equipment and the second user equipment according to The path handoff procedure by the direct communication path to the network communication path is completed in the EPS carryings.

Wherein, processor 121 is specifically used for：

Further, the processor 121, also particularly useful for：

Similar, processor 121 is specifically used for：

Further, processor 121, also particularly useful for：

Further, the processor 121, also particularly useful for：

Further, the processor 121, is specifically used for：

Further, the processor 121, specifically for being set to first user equipment and/or the second user Preparation send the message for including the first identifier so that first user equipment and/or the second user equipment according to The first identifier searches the corresponding EPS carryings of the first identifier.

Further, the processor 121 is specifically used for according to the first identifier, first user identifier and institute Second user mark is stated, the corresponding QoS of the first identifier is obtained.

The processor 121, the second user for obtaining the second user equipment according to the first identifier identify.

The processor 121, it is described second to be additionally operable to be obtained according to the second user of second user equipment mark Second equipment of user equipment service.

Then, the processor 121, is specifically used for：

Optionally, first equipment 120 further includes：Processor 121.

The processor 121, the second user for obtaining second user equipment according to the first identifier identify.

The then processor 121, is specifically used for：

Further, as shown in figure 13, first equipment further includes：Transmitter 122.

The transmitter 122, for sending the 12nd message to the base station, the 12nd message carries described first Mark is used so that the base station discharges or deleted according at least to the first identifier for first user equipment and/or second The resource of family equipment distribution, so that the base station sends the tenth to first user equipment and/or the second user equipment Three message, the 13rd message is used to indicate first user equipment and/or the second user equipment knows progress institute State path switching.

The embodiment of the present invention provides a kind of first equipment, and the processor determination sets the first user equipment and second user Direct communication path between standby is switched to network communication path, obtains first identifier；The processor is according to the first identifier The grouping system EPS carrying of the evolution of first user equipment and/or the second user equipment is determined, so that described the One user equipment is completed to be led to the network by the direct communication path with the second user equipment according to EPS carryings Believe the path handoff procedure in path.

Embodiment nine,

The embodiment of the present invention provides a kind of first user equipment, and as shown in figure 14, first user equipment 140 specifically wraps It includes：Transmitter 141, receiver 142 and processor 143.

The transmitter 141 is used to send message to third equipment, first identifier is carried in the message, described to disappear Breath is for making the third equipment know the corresponding signal strength of the first identifier, or is used for first user equipment requests The direct communication path of first user equipment and second user equipment room is switched to network communication path, so that described Third equipment is determined according to the message is switched to the network communication path by the direct communication path.

The receiver 142, the message for including the first identifier sent for receiving the third equipment.

The processor 143 leads to for the direct communication path to be switched to the network according to message determination Believe path.

Further, the third equipment is specifically for the base station of the first user equipment service or mobile management reality Body MME or server；The transmitter 141, is specifically used for：

Further, the receiver 142 is specifically used for receiving the path switching request that the third equipment is sent；

The processor 143 switches the direct communication path specifically for being determined according to the path switching request For the corresponding EPS carryings of the first identifier；

Further, the processor 143 is specifically used for the TFT of the corresponding direct communication path of the first identifier Priority be adjusted to less than the EPS carrying TFT priority so that first user equipment passes through the EPS Carrying carries out data transmission with the second user equipment.

Further, the receiver 142 is specifically used for receiving the third equipment and sends the 8th message, and the described 8th The first identifier is carried in message；

The then processor 143, specifically for establishing EPS carryings according to the 8th message；Alternatively,

The receiver 142 is specifically used for receiving the 9th message that the third equipment is sent, be taken in the 9th message With the first identifier；

The then processor 143 is specifically used for obtaining the corresponding clothes of the first identifier according at least to the first identifier Be engaged in quality Q oS, sends the 14th message to the MME, the QoS is carried in the 14th message, so that the MME It is that first user equipment establishes EPS carryings according to the QoS.

Further, the transmitter 141, is additionally operable to：

The first information includes data traffic and/or call duration time.

The embodiment of the present invention provides a kind of first user equipment, and the transmitter sends message to third equipment, described to disappear First identifier is carried in breath, the message is used to that the third equipment to be made to know the corresponding signal strength of the first identifier, Or the direct communication path of first user equipment and second user equipment room is cut for first user equipment requests It is changed to network communication path, so that the third equipment is determined according to the message is switched to institute by the direct communication path State network communication path；The receiver receives the message for including the first identifier that the third equipment is sent, according to institute It states message determination and the direct communication path is switched to the network communication path.

Embodiment ten,

The embodiment of the present invention provides a kind of 4th equipment, and as shown in figure 15, the 4th equipment 160 includes：Receiver 161, processor 162 and transmitter 163.

The receiver 161, the message for receiving the first user equipment and/or the transmission of second user equipment are described to disappear First identifier is carried in breath, the message is used to that the 4th equipment to be made to know the corresponding signal strength of the first identifier, Or the direct communication path of first user equipment and second user equipment room is cut for first user equipment requests It is changed to network communication path.

The processor 162 leads to for the direct communication path to be switched to the network according to message determination Believe path.

The transmitter 163, for sending request to mobility management entity MME, the request includes described first Mark, so that the MME determines first user equipment and/or the corresponding EPS of second user equipment according to the request Carrying, first user equipment are completed according to EPS carryings by the direct communication path with the second user equipment To the path handoff procedure of the network communication path.

The processor 162, is specifically used for：

The receiver 161, is additionally operable to：

Then, the transmitter 163 is additionally operable to send the to first user equipment and/or the second user equipment 13 message, the 13rd message is used to indicate first user equipment and/or the second user equipment knows progress The path switching.

4th equipment is specifically as follows base station or server.

The embodiment of the present invention provides a kind of 4th equipment, and the receiver receives the first user equipment and/or second user The message that equipment is sent, carries first identifier in the message, and the message is for making the third equipment know described the The corresponding signal strength of one mark, or set first user equipment and second user for first user equipment requests Direct communication path between standby is switched to network communication path；The processor is determined according to the message by the direct communication Path is switched to the network communication path；The transmitter sends request to mobility management entity MME, is wrapped in the request The first identifier is included, so that the MME determines first user equipment and/or second user equipment according to the request Corresponding EPS carryings, first user equipment are carried according to the EPS with the second user equipment and are completed by described direct Path handoff procedure of the communication path to the network communication path.

It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function The division progress of module, can be as needed and by above-mentioned function distribution by different function moulds for example, in practical application Block is completed, i.e., the internal structure of device is divided into different function modules, to complete all or part of work(described above Energy.The specific work process of the system, apparatus, and unit of foregoing description can refer to corresponding in preceding method embodiment Journey, details are not described herein.

In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or The division of unit, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute Display or the mutual coupling, direct-coupling or communication connection discussed can be by some interfaces, device or unit INDIRECT COUPLING or communication connection can be electrical, machinery or other forms.

The unit illustrated as separating component may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the present invention The all or part of step of embodiment the method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD Etc. the various media that can store program code.

The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims

1. a kind of method of path switching, which is characterized in that the method includes：

First equipment is determined is switched to network communication road by the direct communication path of the first user equipment and second user equipment room Diameter obtains first identifier；

First equipment determines drilling for first user equipment and/or the second user equipment according to the first identifier Into grouping system EPS carrying so that first user equipment has been carried with the second user equipment according to the EPS At the path handoff procedure by the direct communication path to the network communication path；

Wherein, the first identifier is used to identify being directly connected to for first user equipment and the second user equipment room； Alternatively, the first identifier is used to identify the direct communication of the first user equipment and the second user equipment room；Alternatively, described First identifier is for identifying the direct communication path；Alternatively, the first identifier is for identifying in the direct communication path At least one carrying.

2. according to the method described in claim 1, it is characterized in that, first equipment is determined the first user equipment and second Direct communication path between user equipment is switched to network communication path, obtains first identifier and specifically includes：

First equipment receives the 4th message that base station is sent, and carries the first identifier in the 4th message, and described the Four message are that the base station receives first user equipment and/or the first message of second user equipment transmission is backward What first equipment was sent, the first identifier is carried in the first message, the first message is for making the base Know the corresponding signal strength of the first identifier or first user equipment and/or the second user device request in station The direct communication path is switched to the network communication path；For first equipment according to the 4th message, determining will The direct communication path is switched to the network communication path, and obtains the first identifier；Alternatively,

First equipment receives the 5th message that server is sent, and the first identifier is carried in the 5th message, described 5th message is after the server receives the second message that first user equipment and/or the second user equipment are sent It is sent to first equipment, the first identifier is carried in the second message, the second message is described for making Server knows the corresponding signal strength of the first identifier or first user equipment and/or the second user equipment The direct communication path is switched to the network communication path by request；First equipment is according to the 5th message, really It is fixed that the direct communication path is switched to the network communication path, and obtain the first identifier；Alternatively,

The third message that first equipment receives first user equipment and/or the second user equipment is sent, it is described The first identifier is carried in third message, the third message is for making first equipment know the first identifier pair The signal strength answered or first user equipment and/or the second user device request cut the direct communication path It is changed to the network communication path；First equipment determines according to the third message and is switched to the direct communication path The network communication path, and obtain the first identifier.

3. according to the method described in claim 2, it is characterized in that, first equipment is determined according to the third message by institute It states direct communication path and is switched to the network communication path and specifically include：

If the corresponding signal strength of the first identifier carried in the third message is less than or equal to preset value, described the One equipment is determined is switched to the network communication path by the direct communication path；Alternatively,

The third message is for making first equipment know first user equipment and/or the second user equipment The direct communication path is when being switched to the switching request or handoff notification message of the network communication path by request, and described the One equipment determines the direct communication path being switched to the network communication path according to the third message.

4. according to claim 1-3 any one of them methods, which is characterized in that first equipment is according to the first identifier Determine that the EPS carryings of first user equipment and/or the second user equipment specifically include：

First equipment obtains the corresponding service quality QoS of the first identifier according to according at least to the first identifier；

First equipment sends the 6th message to gateway device, and the QoS, the 6th message are carried in the 6th message For informing that the gateway device establishes the EPS carryings of the QoS；

First equipment receives the 7th message that the gateway device is sent, and is used to the first user equipment and/or described second Family equipment sends the 8th message, and the first identifier is carried in the 8th message so that first user equipment and/or The second user equipment is established the EPS according to the first identifier and is carried, and knows the EPS carryings for described in replacement What first identifier was identified be directly connected to or the direct communication or the direct communication path or the direct communication path At least one of carrying.

5. according to claim 1-3 any one of them methods, which is characterized in that first equipment is according to the first identifier Determine that the EPS carryings of first user equipment and/or the second user equipment specifically include：

First equipment sends the 9th message to first user equipment and/or the second user equipment, and the described 9th The first identifier is carried in message, so that first user equipment and/or the second user equipment are according at least to described First identifier obtains QoS corresponding with the first identifier；

The tenth message for receiving first user equipment and/or the carrying QoS of second user equipment transmission, to net It closes equipment and sends the 11st message, the QoS is carried in the 11st message, the 11st message is for informing the net Close the EPS carryings that equipment establishes the QoS.

6. according to claim 1-3 any one of them methods, which is characterized in that first equipment is according to the first identifier Determine that the EPS carryings of first user equipment and/or the second user equipment specifically include：

First equipment judges whether the direct communication path being switched to the network communication path according to the QoS；

If first equipment judges the direct communication path being switched to the network communication path, marked according to described first Know is that first user equipment and/or the second user equipment establish the EPS carryings.

7. according to the method described in claim 6, it is characterized in that, first equipment judges whether according to the QoS by institute It states direct communication path and is switched to the network communication path and specifically include：

First equipment directly judges whether network provides the EPS carryings of the QoS according to the QoS, if so, judging will The direct communication path is switched to the network communication path；Alternatively,

First equipment sends the request message for carrying the QoS to gateway device, so that the gateway device is counted to strategy Take regulation function entity PCRF and send the request message for carrying the QoS, so that the PCRF judges network according to the QoS The EPS the carryings whether QoS is provided, if so, judging the direct communication path being switched to the network communication path； Alternatively,

First device-to-server sends the request message for carrying the QoS, and the server is taken to PCRF transmissions Request message with the QoS, the PCRF judge whether network can provide the EPS carryings of the QoS according to the QoS, If so, judging the direct communication path being switched to the network communication path.

8. according to claim 1-3 any one of them methods, which is characterized in that first equipment is according to the first identifier Determine that the EPS carryings of first user equipment and/or the second user equipment specifically include：

It includes the first identifier that first equipment is sent to first user equipment and/or the second user equipment Message, so that first user equipment and/or the second user equipment search described first according to the first identifier Identify corresponding EPS carryings.

9. according to claim 2-3,7 any one of them methods, which is characterized in that first message, second message or third disappear Further include in breath：The second user of first user identifier of first user equipment and the second user equipment identifies.

10. according to the method described in claim 6, it is characterized in that, also being wrapped in first message, second message or third message It includes：The second user of first user identifier of first user equipment and the second user equipment identifies；

First equipment obtains the corresponding QoS of the first identifier according at least to the first identifier and specifically includes：

First equipment is identified according to the first identifier, first user identifier and the second user, described in acquisition The corresponding QoS of first identifier.

11. according to claim 1-3,7,10 any one of them methods, which is characterized in that first equipment is according to described Before one mark determines the EPS carryings of first user equipment and/or the second user equipment, further include：

It is the second user device service that first equipment is obtained according to the second user of second user equipment mark The second equipment；

First equipment determines first user equipment and/or the second user equipment according to the first identifier EPS carryings specifically include：

First equipment sends the first request message to second equipment, and first request message includes second use The second user mark of family equipment and the first identifier, so that second equipment is according to the of the second user equipment Two user identifiers and the first identifier are that the second user equipment establishes the EPS carryings.

12. according to claim 1-3,7,10 any one of them methods, which is characterized in that first equipment is according to described Before one mark determines the EPS carryings of first user equipment and/or second user equipment, further include：

First equipment to for the first user equipment service first server send the second request message, described second Request message includes the second user mark of the second user equipment and the first identifier, so that the first server According to the second server that the mark acquisition of the second user of the second user equipment is the second user device service, and to The second server sends the second user mark of the second user equipment and the first identifier, so that described second Server sends third request message to the second equipment, and second equipment is according to the second user mark of the second user equipment Know and the first identifier is that the second user equipment establishes the EPS carryings.

13. according to claim 1-3,7,10 any one of them methods, which is characterized in that first equipment is according to described Before one mark determines the EPS carryings of first user equipment and/or the second user equipment, further include：

First equipment sends the 12nd message to base station, and the 12nd message carries the first identifier, so that described Base station discharges according at least to the first identifier or deletes the money for first user equipment and/or the distribution of second user equipment Source, so that the base station sends the 13rd message to first user equipment and/or the second user equipment, the described tenth Three message are used to indicate first user equipment and/or the second user equipment knows the progress path switching.

14. a kind of method of path switching, which is characterized in that the method includes：

First user equipment sends message to third equipment, first identifier is carried in the message, the message is for making institute It states third equipment and knows the corresponding signal strength of the first identifier, or be used for first user equipment requests by described first The direct communication path of user equipment and second user equipment room is switched to network communication path, so that the third equipment root It is determined according to the message and the direct communication path is switched to the network communication path；

First user equipment receives the message for including the first identifier that the third equipment is sent, according to the message It determines and the direct communication path is switched to the network communication path；

Wherein, the first identifier is used to identify being directly connected to for first user equipment and the second user equipment room； Alternatively, the first identifier is used to identify the direct communication of the first user equipment and the second user equipment room；Alternatively, described First identifier is for identifying the direct communication path；Alternatively, the first identifier is for identifying in the direct communication path At least one carrying；

First user equipment receives the message for including the first identifier that the third equipment is sent, according to the message Determine that the direct communication path, which is switched to the network communication path, to be specifically included：

First user equipment receives the path switching request that the third equipment is sent, true according to the path switching request It is fixed that the direct communication path is switched to the corresponding EPS carryings of the first identifier；

Wherein, what EPS carrying was that first user equipment receives that the third equipment sends includes the first identifier Message after, obtain the corresponding QoS of the first identifier according at least to the first identifier, and described in sending to MME and carrying It is established after the tenth message of QoS；Alternatively,

The EPS carryings are before first user equipment sends message to the third equipment, according at least to described first Mark obtains the corresponding QoS of the first identifier, and is established after sending the tenth message for carrying the QoS to mobile management entity 's.

15. according to the method for claim 14, which is characterized in that the third equipment is specifically to be set for first user The base station of standby service or mobility management entity MME or server；First user equipment sends message tool to third equipment Body includes：

First user equipment sends first message to the base station, so that the base station is determined according to the first message When the direct communication path is switched to the network communication path, the 4th message, the 4th message are sent to the MME In carry the first identifier the direct communication path switched so that the MME is determined according to the 4th message For the network communication path；Alternatively,

First user equipment sends second message to the server, so that the server is according to the second message When the direct communication path is switched to the network communication path by determination；Alternatively,

First user equipment sends second message to the server, so that the server is according to the second message It determines when the direct communication path is switched to the network communication path, the 5th message is sent to the MME, the described 5th The first identifier is carried in message, so that the MME is determined according to the 5th message by the direct communication path It is switched to the network communication path, the MME sends the message for carrying the first identifier to the base station, so that the base It stands and carries the message of the first identifier to first user equipment；Alternatively,

First user equipment sends third message to the MME, so that the MME will according to third message determination The direct communication path is switched to the network communication path.

16. according to claim 14-15 any one of them methods, which is characterized in that further include in the message：First user The first identifier of equipment and the second user mark of second user equipment.

17. according to claim 14-15 any one of them methods, which is characterized in that described in first user equipment receives The message for including the first identifier that third equipment is sent determines according to the message and is switched to the direct communication path After the network communication path, further include：

First user equipment sends the 15th message to base station, and the 15th message carries the first identifier, so that The base station discharges or deleted according at least to the first identifier to be distributed for first user equipment and/or second user equipment Resource；Alternatively,

First user equipment sends the 15th message to server, and the 15th message carries the first identifier, with So that the server is known that the path switching is completed, and sends the 16th message for carrying the first identifier to MME, so that The MME sends the 17th message for carrying the first identifier to the base station, so that the base station is according at least to described the The resource for being first user equipment and/or the distribution of second user equipment is deleted in one mark release.

18. according to the method for claim 17, which is characterized in that the first information is also carried in the 15th message, with The base station is set to send the message for carrying the first information to the MME, so that the MME is carried out according to the first information Charging；Alternatively,

15th message also carries the first information, so that the base station is sent to the MME carries the first information Message, so that the MME sends the message for carrying the first information to the server, so that the server is according to The first information carries out charging；

The first information includes data traffic and/or call duration time.

19. a kind of method of path switching, which is characterized in that the method includes：

It is described to determine that the direct communication path, which is switched to the network communication path, to be specifically included according to the message：

The priority of the TFT of the corresponding direct communication path of the first identifier is adjusted to be less than by first user equipment The priority of the TFT of EPS carryings, so that first user equipment passes through EPS carryings and the second user equipment Carry out data transmission.

20. according to the method for claim 19, which is characterized in that the third equipment is specifically to be set for first user The base station of standby service or mobility management entity MME or server；First user equipment sends message tool to third equipment Body includes：

21. according to claim 19-20 any one of them methods, which is characterized in that further include in the message：First user The first identifier of equipment and the second user mark of second user equipment.

22. according to claim 19-20 any one of them methods, which is characterized in that described in first user equipment receives The message for including the first identifier that third equipment is sent determines according to the message and is switched to the direct communication path After the network communication path, further include：

23. according to the method for claim 22, which is characterized in that the first information is also carried in the 15th message, with The base station is set to send the message for carrying the first information to the MME, so that the MME is carried out according to the first information Charging；Alternatively,

The first information includes data traffic and/or call duration time.

24. a kind of method of path switching, which is characterized in that the method includes：

First user equipment receives the third equipment and sends the 8th message, and first mark is carried in the 8th message Know, first user equipment is established EPS according to the 8th message and carried；Alternatively,

First user equipment receives the 9th message that the third equipment is sent, and described first is carried in the 9th message Mark, first user equipment obtain the corresponding QoS of the first identifier according at least to the first identifier, and described first uses Family equipment sends the 14th message to MME, the QoS is carried in the 14th message, so that the MME is according to QoS is that first user equipment establishes EPS carryings.

25. according to the method for claim 24, which is characterized in that the third equipment is specifically to be set for first user The base station of standby service or mobility management entity MME or server；First user equipment sends message tool to third equipment Body includes：

26. according to claim 24-25 any one of them methods, which is characterized in that further include in the message：First user The first identifier of equipment and the second user mark of second user equipment.

27. according to claim 24-25 any one of them methods, which is characterized in that described in first user equipment receives The message for including the first identifier that third equipment is sent determines according to the message and is switched to the direct communication path After the network communication path, further include：

28. according to the method for claim 27, which is characterized in that the first information is also carried in the 15th message, with The base station is set to send the message for carrying the first information to the MME, so that the MME is carried out according to the first information Charging；Alternatively,

The first information includes data traffic and/or call duration time.

29. a kind of method of path switching, which is characterized in that the method includes：

4th equipment receives the message of the first user equipment and/or the transmission of second user equipment, and first is carried in the message Mark, the message is used to make the 4th equipment to know the corresponding signal strength of the first identifier, or is used for described first The direct communication path of first user equipment and second user equipment room is switched to network communication road by user equipment requests Diameter；

4th equipment sends to MME and asks, and the request includes the first identifier, so that the MME is according to institute It states request and determines first user equipment and/or the corresponding EPS carryings of second user equipment, first user equipment and institute Second user equipment is stated to complete to be cut by the path of the direct communication path to the network communication path according to EPS carryings Change process.

30. according to the method for claim 29, which is characterized in that the 4th equipment will be described according to the message determination Direct communication path is switched to the network communication path and specifically includes：

If the corresponding signal strength of the first identifier carried in the message is less than or equal to preset value, the described 4th sets The direct communication path is switched to the network communication path by standby determine；Alternatively,

The message is to know that first user equipment and/or the second user device request will be described for the first equipment When direct communication path is switched to the switching request or handoff notification message of the network communication path, the 4th equipment according to The message determines the direct communication path being switched to the network communication path.

31. the method according to claim 29 or 30, which is characterized in that when the 4th equipment is base station, the described 4th After equipment sends request message to MME, further include：

It is first user equipment and/or the second user that the base station, which discharges or deleted according at least to the first identifier, The resource of equipment distribution；

The base station sends the 13rd message to first user equipment and/or the second user equipment, and the described 13rd Message is used to indicate first user equipment and/or the second user equipment knows the progress path switching.

32. a kind of equipment of path switching, the equipment is specially the first equipment, which is characterized in that first equipment includes： First determination unit and the second determination unit；

First determination unit switches the direct communication path of the first user equipment and second user equipment room for determining For network communication path, first identifier is obtained；

Second determination unit, for determining first user equipment and/or second use according to the first identifier The EPS of family equipment is carried so that first user equipment carried according to the EPS with the second user equipment complete by Path handoff procedure of the direct communication path to the network communication path；

33. equipment according to claim 32, which is characterized in that first determination unit is specifically used for：

The 4th message that base station is sent is received, carries the first identifier in the 4th message, the 4th message is described To first equipment after the first message that base station receives first user equipment and/or the second user equipment is sent It sends, carries the first identifier in the first message, the first message is for making the base station know described the One identifies corresponding signal strength or first user equipment and/or the second user device request will be described directly logical Letter path is switched to the network communication path；According to the 4th message, determines and the direct communication path is switched to institute Network communication path is stated, and obtains the first identifier；Alternatively,

The 5th message that server is sent is received, carries the first identifier in the 5th message, the 5th message is institute It is set to described first after stating the second message that server receives first user equipment and/or the second user equipment is sent What preparation was sent, the first identifier is carried in the second message, the second message is for making the server know institute Stating the corresponding signal strength of first identifier or first user equipment and/or the second user device request will be described straight It connects communication path and is switched to the network communication path；According to the 5th message, determination switches the direct communication path For the network communication path, and obtain the first identifier；Alternatively,

The third message of first user equipment and/or second user equipment transmission is received, is taken in the third message With the first identifier, the third message is for making first equipment know the corresponding signal strength of the first identifier Or the direct communication path is switched to the network by first user equipment and/or the second user device request Communication path；It is determined according to the third message and the direct communication path is switched to the network communication path, and obtained The first identifier.

34. equipment according to claim 33, which is characterized in that first determination unit is specifically used for：

If the corresponding signal strength of the first identifier carried in the third message is less than or equal to preset value, it is determined that will The direct communication path is switched to the network communication path；Alternatively,

The third message is for making first equipment know first user equipment and/or the second user equipment When the direct communication path is switched to the switching request or handoff notification message of the network communication path by request, according to institute Third message is stated, determines and the direct communication path is switched to the network communication path.

35. according to claim 32-34 any one of them equipment, which is characterized in that second determination unit is specific to use In：

The corresponding QoS of the first identifier is obtained according to according at least to the first identifier；

The 6th message is sent to gateway device, the QoS is carried in the 6th message, the 6th message is described for informing Gateway device establishes the EPS carryings of the QoS；

The 7th message that the gateway device is sent is received, the is sent to the first user equipment and/or the second user equipment Eight message carry the first identifier in the 8th message, so that first user equipment and/or the second user Equipment is established the EPS according to the first identifier and is carried, and knows the EPS carryings for being marked instead of the first identifier Know be directly connected to or the direct communication or at least one of the direct communication path or the direct communication path Carrying.

36. according to claim 32-34 any one of them equipment, which is characterized in that second determination unit is specific to use In：

The 9th message is sent to first user equipment and/or the second user equipment, institute is carried in the 9th message First identifier is stated, so that first user equipment and/or the second user equipment are obtained according at least to the first identifier QoS corresponding with the first identifier；

37. according to claim 32-34 any one of them equipment, which is characterized in that second determination unit is specific to use In：

It is described first according to the first identifier if judging the direct communication path being switched to the network communication path User equipment and/or the second user equipment establish the EPS carryings.

38. according to the equipment described in claim 37, which is characterized in that second determination unit is specifically used for：

Directly judge whether network provides the EPS carryings of the QoS according to the QoS, if so, judging the direct communication Path is switched to the network communication path；Alternatively,

The request message for carrying the QoS is sent to gateway device, so that the gateway device is real to policy charging rule function Body PCRF sends the request message for carrying the QoS, so that described in the PCRF judges whether network provide according to the QoS The EPS of QoS is carried, if so, judging the direct communication path being switched to the network communication path；Alternatively,

The request message for carrying the QoS is sent to server, the server sends to the PCRF and carries asking for the QoS Message is sought, the PCRF judges whether network can provide the EPS carryings of the QoS according to the QoS, if so, judging will The direct communication path is switched to the network communication path.

39. according to claim 32-34 any one of them equipment, which is characterized in that second determination unit is specifically used for Include the message of the first identifier to first user equipment and/or second user equipment transmission, so that described First user equipment and/or the second user equipment are searched the corresponding EPS of the first identifier and are held according to the first identifier It carries.

40. according to claim 32-34 any one of them equipment, which is characterized in that first message, second message or third disappear Further include in breath：The second user of first user identifier of first user equipment and the second user equipment identifies.

41. equipment according to claim 40, which is characterized in that second determination unit is specifically used for according to First identifier, first user identifier and second user mark, obtain the corresponding QoS of the first identifier.

42. according to claim 32-34 any one of them equipment, which is characterized in that first equipment further includes：It obtains single Member；

The obtaining unit, it is that the second user is set to be additionally operable to be obtained according to the second user of second user equipment mark Second equipment of standby service；

Second determination unit, is specifically used for：

The first request message is sent to second equipment, first request message includes the second of the second user equipment User identifier and the first identifier so that second equipment according to the second user of the second user equipment mark and The first identifier is that the second user equipment establishes the EPS carryings.

43. according to claim 32-34 any one of them equipment, which is characterized in that first equipment further includes：It obtains single Member；

Second determination unit, is specifically used for：

The second request message is sent to for the first server of the first user equipment service, second request message includes The second user mark of the second user equipment and the first identifier, so that the first server is according to described second The second user mark of user equipment obtain be the second user device service second server, and to the second service Device sends the second user mark of the second user equipment and the first identifier, so that the second server is to second Equipment sends third request message, and second equipment is according to the second user of second user equipment mark and described first It is identified as the second user equipment and establishes the EPS carryings.

44. according to claim 32-34 any one of them equipment, which is characterized in that first equipment further includes：It sends single Member；

The transmission unit, for sending the 12nd message to base station, the 12nd message carries the first identifier, so that The base station discharges or deleted according at least to the first identifier to be distributed for first user equipment and/or second user equipment Resource it is described so that the base station sends the 13rd message to first user equipment and/or the second user equipment 13rd message is used to indicate first user equipment and/or the second user equipment knows the progress path switching.

45. a kind of user equipment of path switching, the user equipment is specially the first user equipment, which is characterized in that described First user equipment includes：Transmission unit, receiving unit and determination unit；

The transmission unit carries first identifier, the message is used for for sending message to third equipment in the message The third equipment is set to know the corresponding signal strength of the first identifier, or will be described for first user equipment requests The direct communication path of first user equipment and second user equipment room is switched to network communication path, so that the third is set The direct communication path is switched to the network communication path by standby determined according to the message；

The direct communication path is switched to the network communication road by the determination unit for being determined according to the message Diameter；

The receiving unit is specifically used for receiving the path switching request that the third equipment is sent；

The determination unit, it is described specifically for being switched to the direct communication path according to path switching request determination The corresponding EPS carryings of first identifier；

46. user equipment according to claim 45, which is characterized in that the third equipment is specifically to be used for described first The base station of family device service or MME or server；The transmission unit, is specifically used for：

First message is sent to the base station, so that the base station is determined according to the first message by the direct communication road When diameter is switched to the network communication path, the 4th message is sent to the MME, described first is carried in the 4th message Mark, so that the MME is determined according to the 4th message is switched to the network communication road by the direct communication path Diameter；Alternatively,

Second message is sent to the server, described will directly be led to so that the server is determined according to the second message When letter path is switched to the network communication path；Alternatively,

Second message is sent to the server, described will directly be led to so that the server is determined according to the second message When letter path is switched to the network communication path, the 5th message is sent to the MME, is carried in the 5th message described First identifier is led to so that the direct communication path is switched to the network by the MME according to the 5th message determination Believe that path, the MME send the message for carrying the first identifier to the base station, so that the base station is to first user Equipment carries the message of the first identifier；Alternatively,

Third message is sent to the MME, so that the MME is determined according to the third message by the direct communication path It is switched to the network communication path.

47. according to claim 45-46 any one of them user equipmenies, which is characterized in that further include in the message：First The first identifier of user equipment and the second user mark of second user equipment.

48. according to claim 45-46 any one of them user equipmenies, which is characterized in that the transmission unit is additionally operable to：

Send the 15th message to base station, the 15th message carries the first identifier so that the base station according at least to The resource for being first user equipment and/or the distribution of second user equipment is deleted in the first identifier release；Alternatively,

The 15th message is sent to server, the 15th message carries the first identifier, so that the server is known Path switching is completed, and the 16th message for carrying the first identifier is sent to MME, so that the MME is to the base It stands and sends the 17th message of the carrying first identifier, so that the base station discharges or deletes according at least to the first identifier The resource distributed for first user equipment and/or second user equipment.

49. user equipment according to claim 48, which is characterized in that also carry the first letter in the 15th message Breath, so that the base station sends the message for carrying the first information to the MME, so that the MME believes according to described first Breath carries out charging；Alternatively,

The first information includes data traffic and/or call duration time.

50. a kind of user equipment of path switching, the user equipment is specially the first user equipment, which is characterized in that described First user equipment includes：Transmission unit, receiving unit and determination unit；

The determination unit, specifically for the priority of the TFT of the corresponding direct communication path of the first identifier to be adjusted to Less than the priority of the TFT of EPS carryings, so that first user equipment passes through EPS carryings and the second user Equipment carries out data transmission.

51. user equipment according to claim 50, which is characterized in that the third equipment is specifically to be used for described first The base station of family device service or MME or server；The transmission unit, is specifically used for：

52. according to claim 50-51 any one of them user equipmenies, which is characterized in that further include in the message：First The first identifier of user equipment and the second user mark of second user equipment.

53. according to claim 50-51 any one of them user equipmenies, which is characterized in that the transmission unit is additionally operable to：

54. user equipment according to claim 53, which is characterized in that also carry the first letter in the 15th message Breath, so that the base station sends the message for carrying the first information to the MME, so that the MME believes according to described first Breath carries out charging；Alternatively,

The first information includes data traffic and/or call duration time.

55. a kind of user equipment of path switching, the user equipment is specially the first user equipment, which is characterized in that described First user equipment includes：Transmission unit, receiving unit and determination unit；

The receiving unit, is specifically used for receiving the third equipment and sends the 8th message, carried in the 8th message described in First identifier；

The receiving unit is specifically used for receiving the 9th message that the third equipment is sent, institute is carried in the 9th message State first identifier；

The then determination unit is specifically used for obtaining the corresponding QoS of the first identifier according at least to the first identifier, to MME sends the 14th message, the QoS is carried in the 14th message, so that the MME is institute according to the QoS It states the first user equipment and establishes EPS carryings.

56. user equipment according to claim 55, which is characterized in that the third equipment is specifically to be used for described first The base station of family device service or MME or server；The transmission unit, is specifically used for：

57. according to claim 55-56 any one of them user equipmenies, which is characterized in that further include in the message：First The first identifier of user equipment and the second user mark of second user equipment.

58. according to claim 55-56 any one of them user equipmenies, which is characterized in that the transmission unit is additionally operable to：

59. user equipment according to claim 58, which is characterized in that also carry the first letter in the 15th message Breath, so that the base station sends the message for carrying the first information to the MME, so that the MME believes according to described first Breath carries out charging；Alternatively,

The first information includes data traffic and/or call duration time.

60. a kind of equipment of path switching, the equipment is specially the 4th equipment, which is characterized in that the 4th equipment includes： Receiving unit, determination unit and transmission unit；

The receiving unit is used to receive the message of the first user equipment and/or the transmission of second user equipment, is taken in the message With first identifier, the message is used to that the 4th equipment to be made to know the corresponding signal strength of the first identifier, or is used for The direct communication path of first user equipment and second user equipment room is switched to net by first user equipment requests Network communication path；

The transmission unit is asked for being sent to MME, and the request includes the first identifier, so that the MME roots First user equipment and/or the corresponding EPS carryings of second user equipment, first user equipment are determined according to the request It is completed by the direct communication path to the road of the network communication path according to EPS carryings with the second user equipment Diameter handoff procedure.

61. equipment according to claim 60, which is characterized in that the determination unit is specifically used for：

If the corresponding signal strength of the first identifier carried in the message is less than or equal to preset value, it is determined that will be described Direct communication path is switched to the network communication path；Alternatively,

The message is to know that first user equipment and/or the second user device request will be described for the first equipment When direct communication path is switched to the switching request or handoff notification message of the network communication path, according to the message, really It is fixed that the direct communication path is switched to the network communication path.

62. the equipment according to claim 60 or 61, which is characterized in that the receiving unit is additionally operable to：

4th equipment further includes：Deleting unit；

The deleting unit, for discharging or being deleted as first user equipment and/or institute according at least to the first identifier State the resource of second user equipment distribution；

The transmission unit is additionally operable to send the 13rd message to first user equipment and/or the second user equipment, 13rd message is used to indicate first user equipment and/or the second user equipment knows that carrying out the path cuts It changes.