CN104053192B - A kind of method and apparatus for establishing adjacent communication, system - Google Patents
A kind of method and apparatus for establishing adjacent communication, system Download PDFInfo
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- CN104053192B CN104053192B CN201310078521.4A CN201310078521A CN104053192B CN 104053192 B CN104053192 B CN 104053192B CN 201310078521 A CN201310078521 A CN 201310078521A CN 104053192 B CN104053192 B CN 104053192B
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Abstract
An embodiment of the present invention provides a kind of method and apparatus for establishing adjacent communication, system, for when network providing adjacent communication service, the communication between terminal being switched to adjacent communication path from EPS carryings, ensures that progress is not interrupted in user's communication.This method includes：It can be that the first user equipment (UE) and the 2nd UE establish adjacent communication to determine this base station, and determining first UE and the 2nd UE has contracted adjacent communication；The first UE and the 2nd UE is controlled to establish adjacent communication.
Description
Technical field
The present invention relates to moving communicating field more particularly to a kind of method and apparatus for establishing adjacent communication, systems.
Background technology
3GPP (3 at presentrdGeneration Partnership Project, third generation partner program) ProSe works
Organize the adjacent communication problem just between research equipment and equipment, if main application scene be when communication equipment distance compared with
Closely, it is desirable to the clothes that the data transmission between equipment and equipment directly can be carried out or be connected by equipment between both devices
It is engaged in base station forwarding, and without by core net, so as to improve user experience while reduces the cost of serving of operator.
3GPP is desirable to provide the adjacent communication service completely under network control.
The communication process of two equipment rooms defined in 3GPP, data channel are as shown in Figure 1 in the prior art：UE1
(User Equipment, user equipment) transmits data to the eNB (evolved Node B, evolved base station) of service, and
ENB can pass data to the equipment of the core network Serving GW (Serving GateWay, gateway) and PGW of service
(Packet GateWay, packet data gateway), PGW can be routed data to according to routing table UE2 service PGW and
The Serving GW of Serving GW, UE2 services pass data to the eNB of UE2 services, then pass to UE2 by eNB.Fig. 1
Shown in example be scene when the Serving GW and PGW that UE1 and UE2 is serviced is identical, be omitted serviced for UE1 at this time
PGW route data to process for the UE2 PGW serviced.
As seen from Figure 1, even if the position between two terminals of communication is very close, communication data is also required to pass through
The eNB respectively serviced, core net get to opposite end, and communication delay is very big, but also can occupy the resource of network.Therefore
3GPP is being studied now about the communication technology between adjacent equipment, even communicating pair apart from it is close when, can realize two
It communicates between a UE or only realizes high-speed traffic only by the transmission of eNB.
Fig. 2 (a), Fig. 2 (b) are the data transfer path figure realized after adjacent communication between terminal.As shown in Fig. 2 (a),
UE1 and UE2 can be transmitted directly, need not move through mobile network appliance or as shown in Fig. 2 (b), two UE are connected to same
Can data be forwarded by the eNB of service during eNB, without data are routed through core net.This transmission mode can subtract
Lack the delay of data transmission, and the resource of network can be saved, particularly the Internet resources of core net.
The demand of adjacent communication is being discussed in 3GPP SA1 at present, according to discussion result, adjacent communication substantially can be with
Be divided into two major class problems, a kind of problem is the proximity relations discovery procedure between terminal, the second class problem be then neighbouring UE how
The problem of realizing direct communication.
Proximity relations discovery procedure between terminal is not only to realize the premise of adjacent communication, at the same it is also many should
Use scene.Such as businessman can send Discount Promotion advertisement by detecting proximity relations to passer-by's terminal, user can be with
Information, the bus stations such as restaurant and the supermarket near current location are searched for by proximity relations discovery feature can be according to proximity relations
Discovery feature forecast public transport is arrived at a station information etc..
About the adjacent communication between terminal, 3GPP it is contemplated that network control under connection setup and safeguarded
Journey, and terminal can obtain simultaneously adjacent communication service and traditional EPS (Evolved Packet System, evolved point
System is united) carrying data service.Adjacent communication is achieved many things at one stroke：The data transfer loads in core net can be alleviated in operator；With
Family can obtain the shorter communication service of time delay；The adjacent communication demand of public safety and business application is met.SA2 is in neighbour
Have in the project verification file closely to communicate described below：
Adjacent communication：Two neighbouring UE pass through the communication for the communication path established between UE.The nearly communication of neck can be divided into two
Kind：Direct communication between UE, the communication being route by eNB between UE.Original English text is as follows：
ProSe Communication:a communication between two Ues in proximity by
means of a communication path established between the Ues.
The path for discovery and communication could for example be
established
-directly between the Ues
-network based,e.g.routed via local eNB(s).
Other background technologies of the present invention are introduced below.
SDF（Service Data Flow, server data stream) refer to the IP packets with certain " feature ".People can use name
Word comes " mark " or with identity card come " mark ", and IP packets are identified with the combination of the data field of IP in IP packets.For TCP
(Transmission Control Protocol, transmission control protocol)/UDP (User Datagram Protocol, user
Data protocol) IP data packets, be by following five IP header fields（Abbreviation IP five-tuples）To represent：（Front three is located at IP heads,
2 next are located in UDP or TCP header）：Source IP address, target ip address, protocol type（UDP or TCP), source port Port, mesh
Mark Port.TFT (Traffic Flow Template, data flow template) is exactly that one or more IP five-tuples are formed.SDF
The IP packets exactly identified by TFT.IP packets i.e. corresponding to a SDF have identical TFT.
User can use multiple IP operations simultaneously.Each IP operation corresponds to one or more SDF.Some different SDFs
Do not have identical QoS with identical QoS (Quality of Service, service quality), some different SDFs.Same
Under one PDN (Packet Data Network, Packet Data Network) connection, the SDFs of identical QoS should be by same
EPS carries to transmit.With different Q CI (QoS Class Identifier, QoS level identifier) or ARP（Allocation
And Retention Priority, distribution and reservation priority）QoS SDFs be cannot be by same EPS Bearer
To transmit.
One PDN connection corresponds to one or more EPS Bearer.Each EPS Bearer must have different QCI
Or ARP.Under one EPS Bearer can there are one or multiple SDF.When an EPSBearer is established, this EPS
Bearer just has QCI+ARP, and has UL_TFT（Uplink TFT）+DL_TFT（Downlink TFT）
As the SDF_TFT ∈ corresponding to a SDF（Some）During Bearer_TFT, this SDF is then come by this Bearer
Transmission.Therefore, it is only possible to different SDF under same PDN connections and is transmitted by same Bearer.
When an IP data packet arrives, its IP five-tuple is extracted, then judges IP five-tuples ∈（Some）Bearer_
During TFT, then this IP data packet is transmitted by this EPS Bearer.
One business is not to send an IP packet, but successively has sent many data packets, the IP numbers of these different moments
A SDF is just constituted according to packet.The IP five-tuples intersection of all IP packets just constitutes the TFT of SDF.
The process that one SDF is mapped to an EPS Bearer to transmit is known as BB, and (Bearer Binding, carrying are tied up
It is fixed), the entity for completing DL data BB functions is BBERF (Bearer binding and event reporting
Function, bearing binding and event reporting functions) or PCEF (Policy and Charging enforcement
Function, strategy and charging execution function entity), the BB of uplink UL data is completed in UE.The signal of EPS bearing bindings is as schemed
Shown in 3.
LTE at present（Long Term Evolved, long term evolution）In system, the communication between UE is connected by PDN
EPS carryings realize that, if having proximity relations between terminal, terminal should can pass through direct or local adjacent communication
Path communicates.The prior art do not provide 3GPP networks provide adjacent communication service when terminal between communication in EPS
The method switched between carrying and adjacent communication path.
Invention content
An embodiment of the present invention provides a kind of method and apparatus for establishing adjacent communication, systems, adjacent for being provided in network
During nearly communication service, the communication between terminal is switched into adjacent communication path from EPS carryings, ensure user's communication do not interrupt into
Row.
A kind of method for establishing adjacent communication provided in an embodiment of the present invention includes：
It can be that the first user equipment (UE) and the 2nd UE establish adjacent communication to determine this base station, and determining first UE and the
Two UE have contracted adjacent communication；
The first UE and the 2nd UE is controlled to establish adjacent communication.
A kind of evolved base station eNB equipment provided in an embodiment of the present invention includes：
Adjacent communication determination unit, for determining that this base station can be that the first user equipment (UE) and the 2nd UE establish neighbouring lead to
Letter, and determine that the first UE and the 2nd UE has contracted adjacent communication；
Adjacent communication control unit, for the first UE and the 2nd UE to be controlled to establish adjacent communication.
A kind of communication system provided in an embodiment of the present invention includes：
Evolved base station eNB, for determining that this base station can be that the first user equipment (UE) and the 2nd UE establish adjacent communication,
And determine that the first UE and the 2nd UE has contracted adjacent communication；The first UE and the 2nd UE is controlled to establish adjacent communication.
Mobility management entity MME, after establishing adjacent communication in eNB controls the first UE and the 2nd UE, with
First UE interactive information, to delete the EPS carryings or close corresponding with the data flow of the second UE communication in the EPS carryings
Data flow template TFT；And with the 2nd UE interactive information, carry or close in the EPS carryings to delete the EPS
Data flow template TFT corresponding with the data flow of the first UE communication.
As seen through the above technical solutions, the present invention proposes a kind of method for establishing adjacent communication and equipment, system,
The present invention by determining that this base station can be that the first user equipment (UE) and the 2nd UE establish adjacent communication, and determine the first UE and
2nd UE has contracted adjacent communication；The first UE and the 2nd UE is controlled to establish adjacent communication, realizes and provides adjacent communication in network
During service, by the communication between terminal from EPS carrying switch to adjacent communication path, ensure that switching adjacent communication when user it
Between communication will not interrupt.
Description of the drawings
The data channel schematic diagram that Fig. 1 communicates between prior art UE；
The data channel schematic diagram of Fig. 2 (a) direct communications between adjacent communication UE；
The communication data channel schematic diagram that Fig. 2 (b) is route between adjacent communication UE by eNB；
Fig. 3 is EPS bearing bindings schematic diagram in the prior art；
Fig. 4 is a kind of flow diagram for the method for establishing adjacent communication provided in an embodiment of the present invention；
Fig. 5 is the logic relation picture that adjacent communication is established in the network that one embodiment of the invention provides；
Fig. 6 is the logic relation picture that adjacent communication is established in the network that another embodiment of the present invention provides；
Fig. 7 is the flow diagram for the method for establishing adjacent communication that a specific embodiment of the invention provides；
Fig. 8 is the flow diagram for the method for establishing adjacent communication that another specific embodiment of the present invention provides；
Fig. 9 is the structure diagram of eNB provided in an embodiment of the present invention；
Figure 10 is another structure diagram of eNB provided in an embodiment of the present invention.
Specific embodiment
An embodiment of the present invention provides a kind of method and apparatus for establishing adjacent communication, systems, adjacent for being provided in network
During nearly communication service, the communication between terminal is switched into adjacent communication path from EPS carryings, ensure user's communication do not interrupt into
Row.
Assuming that the first UE and the 2nd UE are communicated using the carrying service of 3GPP networks（Speech, data etc.）, with
The movement of terminal, two terminals are provided with the condition for carrying out adjacent communication.When the first UE and the 2nd UE has proximity relations, two
Person negotiates to establish adjacent communication by the first UE request network sides.
Referring to Fig. 4, a kind of method for establishing adjacent communication provided in an embodiment of the present invention includes：
S401, determine that this base station can be that the first user equipment (UE) and the 2nd UE establish adjacent communication, and determine first
UE and the 2nd UE has contracted adjacent communication；
S402, control the first UE and the 2nd UE establish adjacent communication.
Preferably, described determine that this base station can be that the first UE and the 2nd UE establishes adjacent communication, including：According to this base station
Radio resource, channel condition, strategy or the first UE and the service quality QoS demand of the second UE communication is locally configured, determine
Base station can be that the first UE and the 2nd UE establishes adjacent communication.
Preferably, control the first UE and the 2nd UE establishes adjacent communication, including：It is adjacent for the first UE and the 2nd UE distribution
Resource needed for nearly communication；The first UE and the 2nd UE is controlled to establish adjacent communication.
Preferably, control the first UE and the 2nd UE is established after adjacent communication, this method includes：First UE and first
MME interactive information, to delete the EPS carryings or close corresponding with the data flow of the second UE communication in the EPS carryings
Data flow template TFT；And the 2nd corresponding with the 2nd UE MME interactive information of UE, it carries or closes to delete the EPS
Data flow template TFT corresponding with the data flow of the first UE communication in the EPS carryings.
In the specific implementation, there are two types of embodiments, correspond respectively to receive the request for establishing adjacent communication of the first UE
Different entities.
Embodiment one is received the request for establishing adjacent communication of the first UE by base station.
Preferably, described determine that this base station can be that the first UE and the 2nd UE establishes adjacent communication, and determine the first UE
It has contracted before adjacent communication with the 2nd UE, this method includes：Receive the transmission of the first user equipment (UE) is used for request and second
UE establishes the message of adjacent communication.
The message for establishing adjacent communication with the 2nd UE for request is access layer AS (Access Stratum, access
Layer) message, mark including the 2nd UE and the Evolved Packet System EPS load identifications used with the second UE communication.
Receive the first UE establish the request of adjacent communication after, eNB is needed from the first movement for serving the first UE
Property management entity MME at determine that the first UE and the 2nd UE has contracted adjacent communication.
The adjacent communication preferably, determining first UE and the 2nd UE has contracted, including：Inquiry the is sent to the first MME
Whether one UE and the 2nd UE has contracted the request of adjacent communication；Receive the first MME transmissions is used to indicate the first UE and the 2nd UE
Contracted adjacent communication adjacent communication instruction.The processing procedure of first MME is：First MME receives the inquiry that the eNB is sent
Whether the first UE and the 2nd UE has contracted the request of adjacent communication；It is neighbouring that first MME ought determine that the first UE and the 2nd UE has contracted
During communication, to the eNB transmission be used to indicate the first UE and the 2nd UE contracted adjacent communication adjacent communication instruction；First
MME sends message, instruction first when determining the first UE and the 2nd at least one unsigned adjacent communication of UE, to the eNB
UE and the 2nd UE at least one unsigned adjacent communication.Preferably, when the service MME of the 2nd UE is not a MME, first
MME determines that the 2nd UE has contracted adjacent communication, including：The 2nd MME of the 2nd UE or HSS (Home is served in first MME inquiries
Subscriber Servier, home subscriber server), determine that the 2nd UE has contracted adjacent communication.
Preferably, this method further includes：When determine this base station cannot be the first UE and the 2nd UE establish adjacent communication or
When determining the first UE and the 2nd at least one unsigned adjacent communication of UE, sent to the first UE neighbouring for refusing to ask to establish
The message of communication, including value the reason of refusal.That is the first MME determines the first UE and the 2nd UE at least one unsigned neighbour
During nearly communication, instruction accordingly can be sent to this base station, this base station sends neighbouring logical for refusing to ask to establish to the first UE again
The message of letter；Alternatively, according to the radio resource of this base station, channel condition, strategy or the first UE and the second UE communication is locally configured
Service quality QoS demand, determine this base station cannot be the first UE and the 2nd UE establish adjacent communication, to the first UE send be used for
The message of adjacent communication is established in refusal request.
It is preferably, as shown in Figure 5 for the logic relation picture that adjacent communication is established in network provided in this embodiment；Wherein
One UE, the 2nd UE correspond respectively to UE A, UE B, EPS load identification, that is, RB-ID, the MME in one MME, that is, figure.
Embodiment two is received the request for establishing adjacent communication of the first UE by MME.
MME carries out adjacent communication signing and judges after receiving and establishing the request of adjacent communication, when determine the first UE with
2nd UE contracted adjacent communication when, to serve the first UE eNB send adjacent communication instruction.
The adjacent communication preferably, determining first UE and the 2nd UE has contracted, including：It determines to receive first movement
The foundation for the message transmission for establishing adjacent communication with the 2nd UE for request that management entity MME is sent according to the first UE of reception
The adjacent communication instruction of adjacent communication；Wherein, the adjacent communication instruction is when the first MME has determined the first UE and the 2nd UE
It is sent during signing adjacent communication.
Preferably, the message for establishing adjacent communication with the 2nd UE for request, is NAS (Non-Access
Stratum, Non-Access Stratum) message, mark including the 2nd UE and the EPS load identifications used with the second UE communication.Compared with
Good, the NAS message is that adjacent communication establishes request message or is the general NAS transmission Uplink of uplink by extension
Generic NAS transport message changes bearer resource for the bearing resource by extension
Modification message.
Wherein, the adjacent communication establishes request message, is UE request networks（MME）Asking for adjacent communication is established for it
Message is sought, is the NAS message newly defined, message IE (Information Element, information unit) is as follows：
Uplink generic NAS transport message is transmitted for the general NAS of uplink, specific extended mode is as follows：
And the extended mode of bearing resource modification bearer resource modification message is：Increase in the message
Adjacent equipment is added to identify Proximity device identity IE, the mark of the 2nd UE is provided.
Preferably, when the service MME of the 2nd UE is not a MME, it is neighbouring logical that the first MME determines that the 2nd UE has contracted
Letter, including：The 2nd MME of the 2nd UE or home subscriber server HSS is served in first MME inquiries, determines that the 2nd UE has contracted
Adjacent communication.
Preferably, this method further includes：When the first MME determines the first UE and the 2nd UE, at least one is unsigned neighbouring logical
During letter, alternatively, when the first MME receives the message for being used to refuse adjacent communication instruction that base station is sent, send and use to the first UE
The message of adjacent communication is established in refusal request, including value the reason of refusal.
Preferably, this method further includes：When it cannot be that the first UE and the 2nd UE establishes adjacent communication to determine this base station, to
First MME sends the message for refusing adjacent communication instruction, including value the reason of refusal.
Preferably, the logic relation picture that adjacent communication is established in network provided in this embodiment is as shown in Figure 6；Wherein first
UE, the 2nd UE correspond respectively to UE A, UE B, EPS load identification, that is, RB-ID, the MME in one MME, that is, figure.
Specific embodiments of the present invention are given below：
Specific embodiment 1：UE sends AS message request adjacent communications to eNB.
In the present embodiment, the service MME of UE A and UE B are respectively MME A and MME B.It is the present embodiment pair referring to Fig. 7
The flow diagram answered, specifically includes following steps：
1st, UE A receive the information of eNB, it is found that oneself has proximity relations with UE B.UE A determine will with UE B
The data of communication pass through adjacent communication path transmission.UE A send AS message to eNB, and adjacent communication request, UE are carried in message
The mark of B and EPS load identifications.
ENB provides the mark of UE B to UE A and UE A provide to network the mark of UE B, can be provided according to standard or
It realizes, i.e., using the mark form of agreement（Network node can pass through other nodes with the Direct Recognition mark or network node
The identity map function of offer can obtain the network identity of identification）, such as MSISND（Mobile subscriber ISND
Number, mobile contracted user's ISDN ISDN codes）（Existing mark）, the S-TMSI (Shortened- of MME distribution
Temporary Mobile Subscriber Identity, interim mobile contracted user's mark of shortening)（Existing mark）Or
Person is the unified outer logo that UE is distributed using the form of identification newly defined, such as operator（Similar to being introduced in machine communication
Outer logo）Or the application identities that can identify of network etc..
2nd, eNB is based on local radio resource, and channel condition, is locally configured strategy or the corresponding QoS of EPS load identifications sentences
It is disconnected to establish adjacent communication.
3rd, adjacent communication is asked to MME A by S1-AP message, message, which includes adjacent communication, asks, the mark of UE A,
The mark of UE B, EPS load identifications.
4th, MME A judge that UE A and UE B have the signing of adjacent communication.MME A can be prepared by the following UE
The signing of B：
MME A and MME B are interacted, and obtain the adjacent communication signing information of UE B（MME can by inquire HSS or
Person obtains mark and the address of MME B by the mark of UE B）；Alternatively, MME A obtain UE using the mark inquiry HSS of UE B
The information such as the adjacent communication signing of B.
5th, MME A send S1-AP message to eNB, and message includes adjacent communication order, the mark of UE A, the mark of UE B
Know, EPS load identifications.
6th, eNB is resource needed for UE A and UE B distribution adjacent communications according to being locally configured with the QoS of radio bearer identification.
7th, eNB controls UE A and UE B to establish adjacent communication path.
8th, eNB is established by S1-AP message informing MME adjacent communications and completed.
9th, for UE A, it is only necessary to by the corresponding data flow handoffs of part TFT in carrying to adjacent communication path,
UE A change UE requested bearer resource by the bearing resource based on user equipment requests
It is upper corresponding with the data flow that UE B communicate to close carrying for the modification that modification procedure request MME A are carried
TFT。
10th, for UE B, it is only necessary to by the corresponding data flow handoffs of part TFT in carrying to adjacent communication road
Diameter, UE B are repaiied by what UE requested bearer resource modification procedure requests MMEB was carried
Change, close the upper TFT corresponding with the data flow that UE A communicate of carrying.
Specific embodiment 2：UE sends NAS message request adjacent communication to MMA.
In the present embodiment, the service MME of UE A and UE B are MME A.It is the corresponding flow of the present embodiment referring to Fig. 8
Schematic diagram specifically includes following steps：
1st, UE A receive the information of MME A, it is found that oneself has proximity relations with UE B.UE A determine will with UE
The data of B communications pass through adjacent communication path transmission.UE A send NAS message to MME A, and carrying adjacent communication in message please
It asks, mark and EPS load identification, that is, RB-ID of UE B.
New NAS message can be defined, the general NAS transmission Uplinkgeneric NAS of existing uplink can also be extended
Transport message or bearing resource modification bearer resource modification message.
MME A provide the mark of UE B to UE A and UE A provide to network the mark of UE B, can be provided according to standard
Or realize, i.e., using the mark form of agreement（Network node can be saved with the Direct Recognition mark or network node by other
The identity map function that point provides can obtain the network identity of identification）, such as No. MSISND（Existing mark）, the S- of MME distribution
TMSI（Existing mark）Or using the form of identification newly defined, such as operator is the unified outer logo of UE distribution（It is similar
The outer logo introduced in machine communication）Or the application identities that can identify of network etc..
2nd, when network provision adjacent communication needs to contract and could provide, it is neighbouring logical that MME judges that UE A and UE B have
The signing of letter.
3rd, MME A send S1-AP message to eNB, and message includes adjacent communication order, the mark S-TMSI A of UE A,
Mark S-TMSI B, the EPS load identifications of UE B.
4th, eNB is based on local radio resource, and channel condition, is locally configured strategy or the corresponding QoS of EPS load identifications sentences
Disconnected to establish adjacent communication, eNB is UE A and UE B distribution adjacent communications according to being locally configured with the QoS of EPS load identifications
Required resource.
5th, eNB controls UE A and UE B to establish adjacent communication path.
6th, eNB is established by S1-AP message informing MME A adjacent communications and completed.
7th, for UE A, it is only necessary to by the corresponding data flow handoffs of part TFT in carrying to adjacent communication path,
The modification that UE A are carried by UE requested bearer resource modification procedure request MME A,
Close the upper TFT corresponding with the data flow that UE B communicate of carrying.
8th, it for UE B, needs the corresponding data flow handoffs of all TFT in carrying to adjacent communication path, UE
The deletion that B is carried by UE requested bearer resource modification procedure request MME A.
Referring to Fig. 9, a kind of eNB equipment provided in an embodiment of the present invention includes：
Adjacent communication determination unit 901, for determining that this base station can be that the first user equipment (UE) and the 2nd UE establish neighbour
Nearly communication, and determine that the first UE and the 2nd UE has contracted adjacent communication；
Adjacent communication control unit 902, for the first UE and the 2nd UE to be controlled to establish adjacent communication.
Preferably, the adjacent communication determination unit 901 is used to determine that this base station can be that the first UE and the 2nd UE is established
During adjacent communication, it is specifically used for：According to the radio resource of this base station, channel condition, strategy or the first UE and second is locally configured
The service quality QoS demand of UE communication, it can be that the first UE and the 2nd UE establishes adjacent communication to determine this base station.
Preferably, the adjacent communication control unit 902 is specifically used for：Adjacent communication institute is distributed for the first UE and the 2nd UE
Need resource；The first UE and the 2nd UE is controlled to establish adjacent communication.
According to whether receiving the message that adjacent communication is established in the request that the first UE is sent, there are two types of different for the structure of this equipment
Embodiment.
Embodiment one, referring to Figure 10, preferably, the equipment further includes：Request reception unit 903 is used for receiving first
The message for establishing adjacent communication with the 2nd UE for request that family equipment UE is sent, triggering adjacent communication determination unit 901.
Preferably, the message for establishing adjacent communication with the 2nd UE for request, is access layer AS message, including
The mark of 2nd UE and the Evolved Packet System EPS load identifications used with the second UE communication.
Preferably, the adjacent communication determination unit 901 for determine the first UE and the 2nd UE contracted adjacent communication when,
It is specifically used for：Inquiry the first UE and the 2nd UE is sent to the first MME whether to have contracted the request of adjacent communication；Receive the first MME
Send be used to indicate the first UE and the 2nd UE contracted adjacent communication adjacent communication instruct.
Preferably, the equipment further includes：Refuse unit, for that cannot be that the first UE and the 2nd UE is established when this determining base station
Adjacent communication or when determining the first UE and the 2nd at least one unsigned adjacent communication of UE, to the first UE transmissions for refusing
The message of adjacent communication is established in request absolutely, including value the reason of refusal.
Embodiment two, preferably, the adjacent communication determination unit 901 has been contracted neighbour for determining the first UE and the 2nd UE
During nearly communication, it is specifically used for：Determine that receive first movement management entity MME is used to ask according to what the first UE of reception was sent
The adjacent communication for establishing adjacent communication with the 2nd UE message transmissions for establishing adjacent communication is asked to instruct；Wherein, it is described neighbouring logical
Letter instruction when the first MME determine the first UE and the 2nd UE contracted adjacent communication when send.
Preferably, the equipment further includes：Refuse unit, for that cannot be that the first UE and the 2nd UE is established when this determining base station
During adjacent communication, the message for refusing adjacent communication instruction is sent to the first MME, including value the reason of refusal.
A kind of communication system provided in an embodiment of the present invention includes：
Evolved base station eNB, for determining that this base station can be that the first user equipment (UE) and the 2nd UE establish adjacent communication,
And determine that the first UE and the 2nd UE has contracted adjacent communication；The first UE and the 2nd UE is controlled to establish adjacent communication.
Mobility management entity MME, after establishing adjacent communication in eNB controls the first UE and the 2nd UE, with
First UE interactive information, to delete the EPS carryings or close corresponding with the data flow of the second UE communication in the EPS carryings
Data flow template TFT；And with the 2nd UE interactive information, carry or close in the EPS carryings to delete the EPS
Data flow template TFT corresponding with the data flow of the first UE communication.
Embodiment one, the request that adjacent communication is established by eNB receptions.
Preferably, the eNB determines that this base station can be that the first UE and the 2nd UE establishes adjacent communication, and determine first
UE and the 2nd UE has contracted before adjacent communication, is additionally operable to receive building with the 2nd UE for request for the first user equipment (UE) transmission
The message of vertical adjacent communication.
Preferably, the MME is additionally operable to：Inquiry the first UE and the 2nd UE that the eNB is sent is received whether to have contracted neighbour
The request closely to communicate；When determine the first UE and the 2nd UE contracted adjacent communication when, to the eNB transmission be used to indicate the first UE
With the 2nd UE contracted adjacent communication adjacent communication instruct；When determining the first UE and the 2nd UE, at least one is unsigned neighbouring
During communication, message is sent to the eNB, indicates the first UE and the 2nd UE at least one unsigned adjacent communication.
Preferably, when the MME does not serve two UE, the MME has contracted adjacent communication for determining the 2nd UE
When, it is specifically used for：The MME of the 2nd UE or home subscriber server HSS is served in inquiry, and it is neighbouring logical to determine that the 2nd UE has contracted
Letter.
Preferably, the eNB is additionally operable to：When determine this base station cannot be the first UE and the 2nd UE establish adjacent communication or
When person determines the first UE and the 2nd at least one unsigned adjacent communication of UE, sent to the first UE adjacent for refusing request foundation
The message closely to communicate, including value the reason of refusal.
Embodiment two, the request that adjacent communication is established by MME receptions；Preferably, the MME is additionally operable to according to reception
The message for establishing adjacent communication with the 2nd UE for request that one UE is sent establishes the neighbouring logical of adjacent communication to eNB transmissions
Letter instruction；Wherein, adjacent communication instruction be when the MME determine the first UE and the 2nd UE contracted adjacent communication when send out
It send.
Preferably, the message for establishing adjacent communication with the 2nd UE for request, is non access stratum NAS message, wherein
Mark including the 2nd UE and the EPS load identifications used with the second UE communication.Preferably, the NAS message is adjacent communication
It establishes request message or transmits Uplink generic NAS transport message for the general NAS of uplink by extension,
Or change bearer resource modification message for the bearing resource by extension.
Preferably, when the MME is not to serve the MME of the 2nd UE, the MME has contracted neighbour for determining the 2nd UE
During nearly communication, it is specifically used for：The MME of the 2nd UE or home subscriber server HSS is served in inquiry, determines that the 2nd UE has contracted neighbour
Nearly communication.
Preferably, the MME is additionally operable to：When determining the first UE and the 2nd at least one unsigned adjacent communication of UE,
Alternatively, when receiving the message for being used to refuse adjacent communication instruction that base station is sent, send to refuse to ask to build to the first UE
The message of vertical adjacent communication, including value the reason of refusal.
Preferably, the eNB is additionally operable to：When it cannot be that the first UE and the 2nd UE establishes adjacent communication to determine this base station,
The message for refusing adjacent communication instruction is sent to the MME, including value the reason of refusal.
In conclusion an embodiment of the present invention provides a kind of method and apparatus for establishing adjacent communication, system, solve
EPS carries the switching problem between adjacent communication path.For network provide adjacent communication service when, will be between terminal
Communication switches to adjacent communication path from EPS carryings, ensures that progress is not interrupted in user's communication.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware can be used in the present invention
Apply the form of example.Moreover, the computer for wherein including computer usable program code in one or more can be used in the present invention
Usable storage medium（Including but not limited to magnetic disk storage and optical memory etc.）The shape of the computer program product of upper implementation
Formula.
The present invention be with reference to according to the method for the embodiment of the present invention, equipment（System）And the flow of computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
The processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices is generated for real
The device of function specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps are performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (36)
- A kind of 1. method for establishing adjacent communication, which is characterized in that this method includes：It can be that the first user equipment (UE) and the 2nd UE establish adjacent communication, and determine the first UE and the 2nd UE to determine this base station It has contracted adjacent communication；The first UE and the 2nd UE is controlled to establish adjacent communication.
- 2. the method as described in claim 1, which is characterized in that described to determine that this base station be that the first UE and the 2nd UE is established Adjacent communication, including：According to the radio resource of this base station, channel condition, strategy or the first UE and the service quality of the second UE communication is locally configured QoS demand, it can be that the first UE and the 2nd UE establishes adjacent communication to determine this base station.
- 3. the method as described in claim 1, which is characterized in that control the first UE and the 2nd UE establishes adjacent communication, packet It includes：Resource needed for adjacent communication is distributed for the first UE and the 2nd UE；The first UE and the 2nd UE is controlled to establish adjacent communication.
- 4. the method as described in claim 1, which is characterized in that control the first UE and the 2nd UE establish adjacent communication it Afterwards, this method includes：First UE and the first MME interactive information, to delete EPS carryings or close in the EPS carryings and the second UE communication The corresponding data flow template TFT of data flow；And2nd UE MME interactive information corresponding with the 2nd UE, with delete the EPS carry or close in the EPS carryings and The corresponding data flow template TFT of data flow of first UE communication.
- 5. the method as described in any claims of claim 1-4, which is characterized in that it is described determine this base station can be the first UE with 2nd UE establishes adjacent communication, and determines that the first UE and the 2nd UE has contracted before adjacent communication, and this method includes：Receive the message for establishing adjacent communication with the 2nd UE for request of the first user equipment (UE) transmission.
- 6. method as claimed in claim 5, which is characterized in that described to establish disappearing for adjacent communication with the 2nd UE for request Breath, is access layer AS message, and mark including the 2nd UE and the Evolved Packet System EPS used with the second UE communication are held Carry mark.
- 7. method as claimed in claim 5, which is characterized in that it is described to determine that the first UE and the 2nd UE has contracted adjacent communication, Including：Inquiry the first UE and the 2nd UE is sent to the first MME whether to have contracted the request of adjacent communication；Receive the first MME transmission be used to indicate the first UE and the 2nd UE contracted adjacent communication adjacent communication instruct.
- 8. method as claimed in claim 5, which is characterized in that this method further includes：Whether the first MME receives inquiry the first UE and the 2nd UE that eNB is sent and has contracted the request of adjacent communication；First MME when determine the first UE and the 2nd UE contracted adjacent communication when, to the eNB transmission be used to indicate the first UE with 2nd UE contracted adjacent communication adjacent communication instruction；First MME sends message when determining the first UE and the 2nd at least one unsigned adjacent communication of UE, to the eNB, Indicate the first UE and the 2nd UE at least one unsigned adjacent communication.
- 9. method as claimed in claim 8, which is characterized in that when the service MME of the 2nd UE is not a MME, the first MME Determine that the 2nd UE has contracted adjacent communication, including：The 2nd MME of the 2nd UE or home subscriber server HSS is served in first MME inquiries, and it is neighbouring to determine that the 2nd UE has contracted Communication.
- 10. method as claimed in claim 5, which is characterized in that this method further includes：When determining that this base station cannot be that the first UE and the 2nd UE establish adjacent communication or determining first UE and the 2nd UE at least During one unsigned adjacent communication, sent to the first UE for refusing the message that adjacent communication is established in request, including refusal The reason of value.
- 11. the method as described in any claims of claim 1-4, which is characterized in that described to determine that the first UE and the 2nd UE has been signed About adjacent communication, including：Determine that receive first movement management entity MME establishes according to what the first UE of reception was sent for request and the 2nd UE What the message of adjacent communication was sent establishes the adjacent communication instruction of adjacent communication；Wherein, adjacent communication instruction be when the first MME determine the first UE and the 2nd UE contracted adjacent communication when send 's.
- 12. method as claimed in claim 11, which is characterized in that described to establish disappearing for adjacent communication with the 2nd UE for request Breath is non access stratum NAS message, mark including the 2nd UE and the EPS load identifications used with the second UE communication.
- 13. method as claimed in claim 12, which is characterized in that the NAS message for adjacent communication establish request message or Person is by the general NAS transmission Uplink generic NAS transport message of the uplink extended or is by extension Bearing resource modification bearer resource modification message.
- 14. method as claimed in claim 11, which is characterized in that when the service MME of the 2nd UE is not a MME, first MME determines that the 2nd UE has contracted adjacent communication, including：The 2nd MME of the 2nd UE or home subscriber server HSS is served in first MME inquiries, and it is neighbouring to determine that the 2nd UE has contracted Communication.
- 15. method as claimed in claim 11, which is characterized in that this method further includes：When it cannot be that the first UE and the 2nd UE establishes adjacent communication to determine this base station, sent to the first MME neighbouring for refusing The message of communication instruction, including value the reason of refusal.
- 16. method as claimed in claim 11, which is characterized in that this method further includes：When the first MME determines the first UE and the 2nd at least one unsigned adjacent communication of UE, alternatively, when the first MME is received During the message for being used to refuse adjacent communication instruction that base station is sent, send to refuse to ask to establish adjacent communication to the first UE Message, including value the reason of refusal.
- 17. a kind of evolved base station eNB equipment, which is characterized in that the equipment includes：Adjacent communication determination unit, for determining that this base station can be that the first user equipment (UE) and the 2nd UE establish adjacent communication, And determine that the first UE and the 2nd UE has contracted adjacent communication；Adjacent communication control unit, for the first UE and the 2nd UE to be controlled to establish adjacent communication.
- 18. equipment as claimed in claim 17, which is characterized in that the adjacent communication determination unit is used to determine this base station energy When enough establishing adjacent communication for the first UE and the 2nd UE, it is specifically used for：According to the radio resource of this base station, channel condition, strategy or the first UE and the service quality of the second UE communication is locally configured QoS demand, it can be that the first UE and the 2nd UE establishes adjacent communication to determine this base station.
- 19. equipment as claimed in claim 17, which is characterized in that the adjacent communication control unit is specifically used for：Resource needed for adjacent communication is distributed for the first UE and the 2nd UE；The first UE and the 2nd UE is controlled to establish adjacent communication.
- 20. the equipment as described in any claims of claim 17-19, which is characterized in that the equipment further includes：Request receives single Member for receiving the message for establishing adjacent communication with the 2nd UE for request that the first user equipment (UE) is sent, triggers neighbouring logical Believe determination unit.
- 21. equipment as claimed in claim 20, which is characterized in that described to establish disappearing for adjacent communication with the 2nd UE for request Breath, is access layer AS message, and mark including the 2nd UE and the Evolved Packet System EPS used with the second UE communication are held Carry mark.
- 22. equipment as claimed in claim 20, which is characterized in that the adjacent communication determination unit for determine the first UE with 2nd UE contracted adjacent communication when, be specifically used for：Inquiry the first UE and the 2nd UE is sent to the first MME whether to have contracted the request of adjacent communication；Receive the first MME transmission be used to indicate the first UE and the 2nd UE contracted adjacent communication adjacent communication instruct.
- 23. equipment as claimed in claim 20, which is characterized in that the equipment further includes：Refuse unit, for that cannot be that the first UE and the 2nd UE establish adjacent communication or determining first UE when this determining base station During with the 2nd at least one unsigned adjacent communication of UE, sent to the first UE and establish disappearing for adjacent communication for refusing request Breath, including value the reason of refusal.
- 24. the equipment as described in any claims of claim 17-19, which is characterized in that the adjacent communication determination unit is used for Determine the first UE and the 2nd UE contracted adjacent communication when, be specifically used for：Determine that receive first movement management entity MME establishes according to what the first UE of reception was sent for request and the 2nd UE What the message of adjacent communication was sent establishes the adjacent communication instruction of adjacent communication；Wherein, adjacent communication instruction be when the first MME determine the first UE and the 2nd UE contracted adjacent communication when send 's.
- 25. equipment as claimed in claim 24, which is characterized in that the equipment further includes：Refuse unit, for when it cannot be that the first UE and the 2nd UE establishes adjacent communication to determine this base station, being sent to the first MME For refusing the message of adjacent communication instruction, including value the reason of refusal.
- 26. a kind of communication system, which is characterized in that including：Evolved base station eNB, for determining that this base station can be that the first user equipment (UE) and the 2nd UE establish adjacent communication, and Determine that the first UE and the 2nd UE has contracted adjacent communication；The first UE and the 2nd UE is controlled to establish adjacent communication；Mobility management entity MME, after establishing adjacent communication in eNB controls the first UE and the 2nd UE, with first UE interactive information, to delete EPS carryings or close data flow corresponding with the data flow of the second UE communication in the EPS carryings Template TFT；And with the 2nd UE interactive information, carried or closed in the EPS carryings and the first UE with deleting the EPS The corresponding data flow template TFT of data flow of communication.
- 27. system as claimed in claim 26, which is characterized in that the eNB determines that this base station can be the first UE and second UE establishes adjacent communication, and determines that the first UE and the 2nd UE has contracted before adjacent communication, is additionally operable to the first user of reception and sets The message for establishing adjacent communication with the 2nd UE for request that standby UE is sent.
- 28. system as claimed in claim 27, which is characterized in that the MME is additionally operable to：Inquiry the first UE and the 2nd UE that the eNB is sent is received whether to have contracted the request of adjacent communication；When determine the first UE and the 2nd UE contracted adjacent communication when, to the eNB transmission be used to indicate the first UE and the 2nd UE Contracted adjacent communication adjacent communication instruction；When determining the first UE and the 2nd at least one unsigned adjacent communication of UE, message, instruction first are sent to the eNB UE and the 2nd UE at least one unsigned adjacent communication.
- 29. system as claimed in claim 28, which is characterized in that when the MME does not serve two UE, the MME is used In determine the 2nd UE contracted adjacent communication when, be specifically used for：The MME of the 2nd UE or home subscriber server HSS is served in inquiry, determines that the 2nd UE has contracted adjacent communication.
- 30. system as claimed in claim 27, which is characterized in that the eNB is additionally operable to：When determining that this base station cannot be that the first UE and the 2nd UE establish adjacent communication or determining first UE and the 2nd UE at least During one unsigned adjacent communication, sent to the first UE for refusing the message that adjacent communication is established in request, including refusal The reason of value.
- 31. system as claimed in claim 26, which is characterized in that the MME is additionally operable to what is sent according to the first UE of reception It establishes to the eNB transmissions adjacent communication of adjacent communication for asking to establish the message of adjacent communication with the 2nd UE and instructs；Wherein, adjacent communication instruction be when the MME determine the first UE and the 2nd UE contracted adjacent communication when send 's.
- 32. system as claimed in claim 31, which is characterized in that described to establish disappearing for adjacent communication with the 2nd UE for request Breath is non access stratum NAS message, mark including the 2nd UE and the EPS load identifications used with the second UE communication.
- 33. system as claimed in claim 32, which is characterized in that the NAS message for adjacent communication establish request message or Person is by the general NAS transmission Uplink generic NAS transport message of the uplink extended or is by extension Bearing resource modification bearer resource modification message.
- 34. system as claimed in claim 31, which is characterized in that when the MME is not to serve the MME of the 2nd UE, institute State MME for determine the 2nd UE contracted adjacent communication when, be specifically used for：The MME of the 2nd UE or home subscriber server HSS is served in inquiry, determines that the 2nd UE has contracted adjacent communication.
- 35. system as claimed in claim 31, which is characterized in that the MME is additionally operable to：When determining the first UE and the 2nd at least one unsigned adjacent communication of UE, alternatively, when receiving being used for for base station transmission When refusing the message of adjacent communication instruction, sent to the first UE for refusing the message that adjacent communication is established in request, including The reason of refusal value.
- 36. system as claimed in claim 31, which is characterized in that the eNB is additionally operable to：When it cannot be that the first UE and the 2nd UE establishes adjacent communication to determine this base station, sent to the MME neighbouring for refusing The message of communication instruction, including value the reason of refusal.
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| WO2016141591A1 (en) * | 2015-03-12 | 2016-09-15 | 华为技术有限公司 | Service continuity achieving method, device and system |
| CN106304036B (en) | 2015-05-19 | 2019-11-19 | 华为技术有限公司 | It is a kind of that the method and apparatus of junction traffic are provided |
| WO2016191951A1 (en) * | 2015-05-29 | 2016-12-08 | 华为技术有限公司 | Method, device and system for switching communication path of proximity service |
| CN110972329B (en) * | 2018-09-28 | 2022-03-01 | 中国电信股份有限公司 | Communication method and system, base station, and computer-readable storage medium |
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| CN102711105A (en) * | 2012-05-18 | 2012-10-03 | 华为技术有限公司 | Method, device and system for communication through mobile communication network |
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| US8812657B2 (en) * | 2010-04-15 | 2014-08-19 | Qualcomm Incorporated | Network-assisted peer discovery |
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| CN102711105A (en) * | 2012-05-18 | 2012-10-03 | 华为技术有限公司 | Method, device and system for communication through mobile communication network |
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