CN103379654A - D2D terminal access control method, D2D terminal, eNB and MME - Google Patents

D2D terminal access control method, D2D terminal, eNB and MME Download PDF

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Publication number
CN103379654A
CN103379654A CN201210112195XA CN201210112195A CN103379654A CN 103379654 A CN103379654 A CN 103379654A CN 201210112195X A CN201210112195X A CN 201210112195XA CN 201210112195 A CN201210112195 A CN 201210112195A CN 103379654 A CN103379654 A CN 103379654A
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terminal
enb
session
indication
mme
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CN103379654B (en
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谢宝国
李志军
邹常乐
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2013/073139 priority patent/WO2013155920A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a D2D terminal access control method, a D2D terminal, an evolution-type base station and a mobile management entity. The access control method includes: an access request, which is sent by a terminal and is with D2D indications, is received by a network side; the network side carries out access authentication for the terminal according to the D2D indications to decide whether or not to allow the terminal to initiate a D2D session. In the D2D terminal access control method, access authentication is carried out for the D2D terminal of the network side before a D2D session is initiated by the terminal, so that access control and D2D access authentication in the process of a terminal with direct communication into a 3GPP network are achieved, and IP communication with direct data link is guaranteed to be achieved under the control of the network.

Description

D2D terminal access controlling method, D2D terminal, eNB and MME
Technical field
The present invention relates to communication field, particularly, relate to a kind of D2D (Direct to Direct communication, direct-connected communication) connection control method of terminal, D2D terminal, eNB (evolved Node B, evolved base station) and MME (Mobile Management Entity, Mobility Management Entity).
Background technology
In mobile communication, communication can occur in subscriber equipment (User Equipment, abbreviation UE) between (perhaps being also referred to as terminal or user terminal) and the application server (Application Server is referred to as AS), also may occur between two subscriber equipmenies.Communication between two subscriber equipmenies may be passed through the AS transfer, also may be that the IP traffic by end to end carries out between two subscriber equipmenies.
In mobile communication, grouping (Packet Service, PS) network provides IP-based data communication.The IP address of UE is responsible for by the IP allocation entity in the network, and all IP traffics all need through this IP allocation entity.
Fig. 1 is the configuration diagram that is linked into 3GPP wireless network packet domain according to UE under the correlation technique, as shown in Figure 1, this structure has related to: UE, UMTS Terrestrial radio access network (UMTS Terrestrial Radio Access Network, referred to as UTRAN), the land radio access web of evolution (Evolved UMTS is referred to as E-UTRAN), Serving GPRS Support Node (Serving GPRS Supporting Node, referred to as SGSN), Mobility Management Entity (Mobile Management Entity, be called for short MME), attaching position register (Home Location Register, referred to as HLR)/home subscriber server (Home Subscriber Server, referred to as HSS), gateway (Serving Gateway, be called for short SGW), grouped data network gateway (Packet Data Network Gateway, referred to as PGW), Gateway GPRS Support Node (Gateway GPRS Supporting Node is referred to as GGSN), AS.Wherein, PGW, GGSN namely are respectively the IP allocation entity under E-UTRAN, the UTRAN/GERAN, GGSN, PGW can be referred to as the public data network gateway.
UE can be linked into core net by UMTS, E-UTRAN, be assigned with the IP address after, could realization and application server AS, other-end carry out the IP data communication.In communication process, IP traffic is forwarded to public data network gateway (GGSN/PGW) after through the base station, and then by GGSN/PGW according to the IP routing rule, send to AS, destination UE.Wherein, UE arrives base station, base station to the communication between the public data network gateway (GGSN/PGW), is not based on the IP routing rule, and is based on exclusive data tunnel route technology.In whole process, the information of not perception of base station IP layer is not known the information such as IP address, port of UE such as, base station.
Along with the smart mobile phone extensive use, transmission of media data stream is more and more frequent in the mobile network.Particularly outstanding is that along with social activity application and location-based communication applications become more and more popular, the data traffic of (under the same base station, in the adjacent base station scope) is increasing in same zone.These flows all need to travel back across the public data network gateway (GGSN/PGW) of core net, greatly increased the return bandwidth requirement, increase the time delay of IP communication, also strengthened the load burden of base station (E-UTRAN) and public data network gateway (GGSN/PGW).And along with mobile broadbandization is more and more deep, growing IP traffic amount is also had higher requirement to the public data network gateway (GGSN/PGW) of wireless base station (E-UTAN) and core net.
For increasing problems of liquid flow, need and to carry out necessary shunting to specific IP flow.The mode that existing scheme can adopt the base station to shunt, the IP data of UE access IT website can directly be linked into the external data gateway by the base station.
Carry out the IP data distribution by the base station, the core network packet data gateway has been alleviated load, but do not alleviate the traffic load of base station side, but therefore need the terminal in the close region to carry out direct communication, alleviate the traffic load of base station side.
Mutual communication for the terminal room in the close region, industry has proposed the technology of direct-connected communication between the adjacent terminal end of a kind of similar WIFI, the terminal of closing on the physical location (such as: in the 1Km scope), utilize operator's frequency spectrum resource, increase the burst technology of power by accent, and mutually discovery of similar WIFI broadcast mechanism realization, and set up point-to-point direct-connected wireless telecommunications.Reaction is exactly the direct-connected communication link between UE1 and the UE2 in Fig. 2.
The direct-connected communication of terminal room is a kind of emerging wireless communication mode, the terminal that realizes direct-connected communication also is a kind of novel D2D terminal (Direct to Direct communication, direct-connected communication), this just needs the 3GPP network support that this D2D terminal is linked into network, the mobile management that this D2D terminal is strengthened, D2D authentication and Resource Allocation in Networks etc., the connection control method and the system that need new definition adjacent terminal end guarantee to realize between the adjacent terminal end IP communication of direct-connected data link under network control.
Summary of the invention
The invention provides a kind of connection control method, D2D terminal, evolved base station and Mobility Management Entity of D2D terminal, to solve at least an above-mentioned problem.
According to an aspect of the present invention, provide a kind of connection control method of D2D terminal, having comprised: the access request that carries the D2D indication that network side receives self terminal to send; Whether network side carries out access authentication according to the D2D indication to terminal and allows terminal to initiate the D2D session with decision-making.
Preferably, the D2D indication comprises D2D type and/or D2D ability.
Preferably, network side receives before the access request that carries the D2D indication of self terminal transmission, also comprises: the network side notification terminal is supported the eNB address of D2D ability; Terminal selects to support that the eNB of D2D ability initiates access request.
Preferably, whether network side carries out access authentication according to D2D indication to terminal and allows terminal to initiate the D2D session with decision-making, comprising: eNB according to D2D indication select to support the MME of D2D ability, and to the access request of MME transmitting terminal; MME is according to the signatory parameter of the D2D of terminal, D2D ability and the carrier policy of network, and whether authentication allows terminal to carry out the D2D session, and notifies eNB with authentication result.
Preferably, whether network side carries out access authentication according to the D2D indication to terminal and allows terminal to initiate the D2D session with decision-making, comprise: eNB notice MME need to carry out the D2D access authentication of terminal, wherein carries the signatory parameter request indication of D2D indication or D2D in the notice; MME is handed down to eNB with the signatory parameter of the D2D of terminal; ENB is according to D2D ability and the carrier policy of the signatory parameter of the D2D of terminal, eNB, and whether authentication allows terminal to carry out the D2D session.
Preferably, after the network side decision-making allows terminal initiation D2D session, also comprise: network side carries the D2D session to the terminal transmission and allows indication access response message with permission terminal initiation D2D session.
Preferably, network side sends the access response message with before the permission terminal initiation D2D session to terminal, also comprise: network side is D2D terminal distribution wireless frequency spectrum parameter, and the wireless frequency spectrum parameter is notified to terminal according to the signatory parameter of the D2D of terminal or carrier policy.
Preferably, after terminal was initiated the D2D session, also comprise: source eNB was initiated to the D2D session handover request of target eNB, wherein, carried the signatory parameter of D2D of terminal in the handover request, and whether the signatory Parameter Decision Making of target eNB D2D allows the D2D session to switch.
According to a further aspect in the invention, a kind of D2D terminal is provided, comprise: the first transmitting element, be used for sending the access request that carries the D2D indication to network side, so that carrying out access authentication according to the D2D indication to terminal, network side whether allow terminal to initiate the D2D session with decision-making; The first receiving element is used for receiving the response message to access request from network side, and extracts the indication that allows terminal initiation D2D session from response message.
Preferably, terminal also comprises: selected cell is used for according to selecting to initiate access request to the eNB that supports the D2D ability from the notice of network side.
Preferably, the D2D indication comprises D2D type and/or D2D ability.
According to another aspect of the invention, provide a kind of evolved base station (eNB), having comprised: the first Transmit-Receive Unit is used for the access request that carries the D2D indication that receives self terminal to send; The first notification unit be used for to select is supported the MME of D2D ability, and notice MME need to carry out the D2D access authentication of terminal, wherein carries the signatory parameter request indication of D2D indication or D2D in the notice; The second receiving element, the indication that is used for receiving the signatory parameter of D2D of the terminal that issues from MME or allows terminal D 2D session; The first authentication ' unit is used for D2D ability and carrier policy according to the signatory parameter of the D2D of terminal, eNB, and whether authentication allows terminal to initiate the D2D session.
Preferably, the D2D indication comprises D2D type and/or D2D ability.
Preferably, the first Transmit-Receive Unit also is used for carrying the access response message of D2D session permission indication to allow terminal to initiate the D2D session to the terminal transmission.
Preferably, eNB also comprises: resource allocation unit is used for being D2D terminal distribution wireless frequency spectrum parameter, and by the first Transmit-Receive Unit the wireless frequency spectrum parameter being notified to terminal according to the signatory parameter of the D2D of terminal or carrier policy.
In accordance with a further aspect of the present invention, provide a kind of Mobility Management Entity (MME), having comprised: the second Transmit-Receive Unit, be used for receiving the access request from the D2D terminal that eNB transmits, wherein, carry the D2D indication in the access request; The second authentication ' unit is used for the signatory parameter according to the D2D of terminal, D2D ability and the carrier policy of network, and whether authentication allows terminal to carry out the D2D session.
Preferably, the D2D indication comprises D2D type and/or D2D ability.
Preferably, the second Transmit-Receive Unit also is used for authentication result is passed through the eNB notification terminal,
In the present invention, by before terminal is initiated the D2D session, authenticated by the access of network side to the D2D terminal, access control and D2D access authentication in the terminal access 3GPP network of direct-connected communication have been realized having, thereby for realizing that the direct-connected communication of terminal room provides basic premise, behind the D2D terminal access 3GPP network, can initiate the D2D session according to using needs, so that experiencing, the user is greatly improved, the eNB of operator and the flow of core net have also obtained effective shunting, and network robustness and disposal ability have obtained great enhancing.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the configuration diagram that is linked into packet domain according to the UE of correlation technique;
Fig. 2 is under the same base station according to correlation technique/adjacent base station under IP data communications schematic diagram between different UEs;
Fig. 3 is the connection control method flow chart according to the D2D terminal of the embodiment of the invention;
Fig. 4 is the structured flowchart according to the D2D terminal of the embodiment of the invention;
Fig. 5 is the structured flowchart according to the eNB of the embodiment of the invention;
Fig. 6 is the structured flowchart according to the MME of the embodiment of the invention;
Fig. 7 sends the flow chart of supporting the D2D ability according to the embodiment of the invention one network to terminal;
Fig. 8 is the flow chart that the D2D terminal is carried out access control according to the embodiment of the invention two eNB;
Fig. 9 is according to the embodiment of the invention three flow chart that eNB carries out access control to the D2D terminal in the ATTACH flow process;
Figure 10 is according to the embodiment of the invention four flow chart that eNB carries out access control to the D2D terminal in the TAU flow process;
Figure 11 is according to the embodiment of the invention five flow chart that eNB carries out access control to the D2D terminal in the SR flow process;
Figure 12 is according to the embodiment of the invention six flow chart that eNB carries out access control to the D2D terminal in the session switching flow;
Figure 13 is the schematic flow sheet that the D2D terminal is carried out access control according to the embodiment of the invention seven MME;
Figure 14 is according to the embodiment of the invention eight flow chart that MME carries out access control to the D2D terminal in the ATTACH flow process;
Figure 15 is according to the embodiment of the invention nine flow chart that MME carries out access control to the D2D terminal in the TAU flow process; And
Figure 16 is according to the embodiment of the invention ten flow chart that MME carries out access control to the D2D terminal in the SR flow process.
Embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
In the direct-connected communication of D2D, operator wishes that communication has enough control abilities to D2D, under the controlled prerequisite of network, realize D2D communication, this just needs the 3GPP network to carry out access control to the D2D terminal, and determines whether be the Radio Resource of terminal distribution D2D session according to the result of access control.
Fig. 3 is the connection control method flow chart according to the D2D terminal of the embodiment of the invention.As shown in Figure 3, the method may further comprise the steps:
Step S302: the access request that carries the D2D indication that network side receives self terminal to send.
Step S304: whether network side carries out access authentication according to the D2D indication to terminal and allows terminal to initiate the D2D session with decision-making.
In the present embodiment, by before terminal is initiated the D2D session, authenticated by the access of network side to the D2D terminal, realize having access control and D2D access authentication in the terminal access 3GPP network of direct-connected communication, thereby guaranteed under network control, to realize between the adjacent terminal end IP communication of direct-connected data link.
In the above-described embodiments, after the D2D terminal is linked into network, need to carry the D2D indication.One of the D2D indication can comprise the D2D device type, or the D2D access capability.
In the above-described embodiments, according to carrier policy, whether the eNB Radio Access Network can will support the D2D ability to broadcast in broadcast; Perhaps after the D2D terminal was linked into network, network can with supporting the eNB address list of D2D ability to send to terminal, when the D2D terminal need to be carried out the D2D session, can select to support that the eNB of D2D ability accesses.
In the above-described embodiments, if MME carries out the D2D access control, be linked into the eNB that supports the D2D ability when the D2D terminal after, eNB can be this terminal and selects a MME control network element of supporting the D2D ability, and access request is issued this MME.This MME can get access to the D2D subscription data from HSS, and carries out the inspection of D2D session control in conjunction with D2D ability and the carrier policy of network, is confirmed whether to allow this terminal to carry out the D2D session, and allows D2D session indication to send to eNB on network.
In the above-described embodiments, if eNB carries out the D2D access control, be linked into the eNB that supports the D2D ability when the D2D terminal after, eNB will carry the access request of D2D indication or the indication of D2D subscription request and issue this MME.This MME can get access to the D2D subscription data from HSS, after the normal access inspection of terminal access, in the access response message, the signatory parameter of D2D is returned to eNB, eNB is according to the signatory parameter of D2D, and carry out the inspection of D2D session control in conjunction with D2D ability and the carrier policy of network, be confirmed whether to allow this terminal to carry out the D2D session.
In the above-described embodiments, the eNB network element can be the LTE radio spectrum resources that this terminal distribution is supported the D2D session according to this indication and carrier policy, and allows the indication of D2D session to issue terminal wireless frequency spectrum parameter and network.ENB also can not distribute wireless frequency spectrum according to carrier policy, reallocates when waiting this terminal request wireless frequency spectrum.
Fig. 4 is the structured flowchart according to the D2D terminal of the embodiment of the invention.As shown in Figure 4, this D2D terminal comprises: the first transmitting element 10, be used for sending the access request that carries the D2D indication to network side, and so that carrying out access authentication according to the D2D indication to terminal, network side whether allow terminal to initiate the D2D session with decision-making; The first receiving element 20 is used for receiving the response message to access request from network side, and extracts the indication that allows terminal initiation D2D session from response message.The first transmitting element 10 and 20 couplings of the first receiving element.
In the present embodiment, by before initiating the D2D session, carry out the request of D2D access authentication by terminal to network, thereby guaranteed under network control, to realize between the adjacent terminal end IP communication of direct-connected data link.
In the above-described embodiments, the D2D indication comprises D2D type and/or D2D ability.This terminal also comprises: the selected cell (not shown) is used for according to selecting to initiate access request to the eNB that supports the D2D ability from the notice of network side.
Fig. 5 is the structured flowchart according to the eNB of the embodiment of the invention.As shown in Figure 5, this evolved base station comprises: the first Transmit-Receive Unit 30 is used for the access request that carries the D2D indication that receives self terminal to send; The first notification unit 40 be used for to select is supported the MME of D2D ability, and notice MME need to carry out the D2D access authentication of terminal, wherein carries the signatory parameter request indication of D2D indication or D2D in the notice; The second receiving element 50, the indication that is used for receiving the signatory parameter of D2D of the terminal that issues from MME or allows terminal D 2D session; The first authentication ' unit 60 is used for D2D ability and carrier policy according to the signatory parameter of the D2D of terminal, eNB, and whether authentication allows terminal to initiate the D2D session.Wherein above-mentioned each unit module is coupled.
In the present embodiment, by before terminal is initiated the D2D session, by eNB the access of D2D terminal is authenticated, realize having access control and D2D access authentication in the terminal access 3GPP network of direct-connected communication, thereby guaranteed under network control, to realize between the adjacent terminal end IP communication of direct-connected data link.
Wherein, the D2D indication comprises D2D type and/or D2D ability.
Wherein, the first Transmit-Receive Unit 30 also is used for sending the access response message to allow terminal to initiate the D2D session to terminal.
Wherein, eNB also comprises: the resource allocation unit (not shown) is used for being D2D terminal distribution wireless frequency spectrum parameter, and by the first Transmit-Receive Unit the wireless frequency spectrum parameter being notified to terminal according to the signatory parameter of the D2D of terminal or carrier policy.
Fig. 6 is the structured flowchart according to the MME of the embodiment of the invention.As shown in Figure 6, this Mobility Management Entity comprises: the second Transmit-Receive Unit 70, be used for receiving the access request from the D2D terminal that eNB transmits, and wherein, carry the D2D indication in the access request; The second authentication ' unit 80 is used for the signatory parameter according to the D2D of terminal, D2D ability and the carrier policy of network, and whether authentication allows terminal to carry out the D2D session.
In the present embodiment, by before terminal is initiated the D2D session, by MME the access of D2D terminal is authenticated, realize having access control and D2D access authentication in the terminal access 3GPP network of direct-connected communication, thereby guaranteed under network control, to realize between the adjacent terminal end IP communication of direct-connected data link.
Wherein, the D2D indication comprises D2D type and/or D2D ability.
In the present embodiment, the second Transmit-Receive Unit also is used for authentication result by the eNB notification terminal.
Embodiment one
Fig. 7 sends the flow chart of supporting the D2D ability according to the embodiment of the invention one network to terminal.Present embodiment is mainly described the eNB address how the D2D terminal obtains to support the D2D ability.For example: 1) in broadcast, carry the eNB address of supporting the D2D ability; 2) in the access response message, carry the eNB address of supporting the D2D ability; 3) in the initial configuration parameter, carry the eNB address of supporting the D2D ability by OAM.
The D2D terminal can be selected common eNB access, also can select to support the eNB access of D2D ability.After the D2D terminal is selected common eNB access, if will initiate the D2D session, need to reselect and support the eNB of D2D ability to access.Concrete steps are as follows:
Step S702: whether static configuration supports the D2D ability on eNB, when eNB carries out system broadcasts, carries the indication of supporting the D2D ability in system message, and the D2D terminal that is positioned under this eNB can be accepted this this D2D indication, knows that this eNB supports D2D.
Step S704:D2D terminal is linked into network, carries the D2D indication, and the D2D indication can be the indication of D2D type, also can be the indication of D2D ability.
Step S706: network carries out necessary mobile management, and this terminal is carried out access authentication, and allocation of network resources.
Step S708: network side is indicated according to D2D, will support the eNB tabulation of D2D ability to issue this D2D terminal in the access response message.When the D2D terminal need to be carried out the D2D session, the eNB in the re eligible tabulation accessed.
Step S710:D2D terminal initiates to adhere to request to network, and request is linked into network.
Step S712: after MME receives and adheres to request in the network, initiate default bearing to PGW and set up request, PGW distributing user face resource and IP address are to terminal.
Step S714:OAM (Operation ﹠ Maintenance System) sends initial configuration message by default bearing to the D2D terminal, carries the eNB tabulation of supporting the D2D ability in initial-configuration data.When the D2D terminal need to be carried out the D2D session, the eNB in the re eligible tabulation accessed.
Embodiment two
Fig. 8 is the flow chart that the D2D terminal is carried out access control according to the embodiment of the invention two eNB.Present embodiment is mainly described the scheme that eNB carries out D2D control.ENB asks the D2D subscription data to MME, according to the ability of D2D subscription data and network support D2D, and carrier policy, whether decision-making allows to carry out the D2D session.Concrete steps are as follows:
Step S802:D2D terminal is initiated access request to eNB, carries the D2D indication in request message.The D2D indication can be one of D2D type or D2D ability.
Step S804:eNB issues MME with access request, and carries the indication of D2D subscription request in access request.The indication of D2D subscription request can be one of D2D type, D2D ability or D2D subscription request.
Step S806:MME asks subscription data to HSS launch position update request.
Step S808:HSS issues MME with the subscription data of D2D terminal, comprises the D2D characterisitic parameter in the subscription data.
Step S810:MME carries out normal access control to the D2D terminal, then in the access response message, the D2D characterisitic parameter is sent to eNB.
Step S812:eNB carries out D2D control.ENB is according to factors such as signatory D2D characterisitic parameter, network support D2D ability, carrier policy, and whether decision-making allows terminal to initiate the D2D session.And according to carrier policy, be this D2D terminal distribution LTE frequency spectrum resource.
Step S814:eNB allows D2D session indication notice to the D2D terminal on network in the access response message.If the LTE frequency spectrum resource that has been terminal distribution, the LTE wireless parameter that also needs to distribute sends to the D2D terminal.Follow-up D2D terminal can be carried out the D2D discovery, and initiates the D2D session in other D2D terminal.
Embodiment three
Fig. 9 is according to the embodiment of the invention three flow chart that eNB carries out access control to the D2D terminal in the ATTACH flow process.Present embodiment mainly is described in the scheme that eNB carries out D2D control in the ATTACH process.To MME request D2D subscription data, MME issues eNB with the signatory parameter of D2D to eNB in the Attach request message, and eNB is according to the ability of D2D subscription data and network support D2D, and carrier policy, and whether decision-making allows to carry out the D2D session.Concrete steps are as follows:
Step S902:D2D terminal is initiated the ATTACH request to eNB, carries the indication of D2D type or D2D ability in request message.
Step S904:eNB issues MME with the ATTACH request, and carries D2D type, D2D ability or D2D subscription request and one of indicate in the ATTACH request.
Step S906:MME asks subscription data to HSS launch position update request.
Step S908:HSS issues MME with the subscription data of D2D terminal, comprises the D2D characterisitic parameter in the subscription data.
Step S910:MME carries out normal access control to the D2D terminal, then initiate initial context foundation request to eNB, at request message the D2D characterisitic parameter is sent to eNB.
Step S912:eNB carries out D2D control.ENB is according to factors such as signatory D2D characterisitic parameter, network support D2D ability, carrier policy, and whether decision-making allows terminal to initiate the D2D session.And according to carrier policy, be this D2D terminal distribution LTE frequency spectrum resource.
Step S914:eNB initiates radio bearer to the D2D terminal and sets up request, in request message, allows D2D session indication notice to the D2D terminal on network.If the LTE frequency spectrum resource that has been terminal distribution, the LTE wireless parameter that also needs to distribute sends to the D2D terminal.
Step S916:D2D terminal notice eNB radio bearer is successfully established.
Step S918:eNB returns initial context foundation to MME and finishes message, and the notice radio bearer is successfully established.Follow-up D2D terminal can be carried out the D2D discovery, and initiates the D2D session in other D2D terminal.
Embodiment four
Figure 10 is according to the embodiment of the invention four flow chart that eNB carries out access control to the D2D terminal in the TAU flow process.Present embodiment mainly is described in the scheme that eNB carries out D2D control in the TAU process.To MME request D2D subscription data, MME issues eNB with the signatory parameter of D2D to eNB in the TAU request message, and eNB is according to the ability of D2D subscription data and network support D2D, and carrier policy, and whether decision-making allows to carry out the D2D session.Concrete steps are as follows:
Step S1002:D2D terminal is initiated the TAU request to eNB, carries the indication of D2D type or D2D ability in request message.
Step S1004:eNB issues new MME with the TAU request, and carries D2D type, D2D ability or D2D subscription request and one of indicate in the TAU request.
Step S1006:new MME asks subscription data to HSS launch position update request.
Step S1008:HSS issues new MME with the subscription data of D2D terminal, comprises the D2D characterisitic parameter in the subscription data.
Step S1010:MME carries out normal access control to the D2D terminal, then accepting message to eNB initiation TAU, accepts message at TAU the D2D characterisitic parameter is sent to eNB.
Step S1012:eNB carries out D2D control.ENB is according to factors such as signatory D2D characterisitic parameter, network support D2D ability, carrier policy, and whether decision-making allows terminal to initiate the D2D session.And according to carrier policy, be this D2D terminal distribution LTE frequency spectrum resource.
Step S1014:eNB initiates TAU to the D2D terminal and accepts message, accepts in the message at TAU, allows D2D session indication notice to the D2D terminal on network.If the LTE frequency spectrum resource that has been terminal distribution, the LTE wireless parameter that also needs to distribute sends to the D2D terminal.
After the step S1016:D2D terminal TA U success, return TAU to MME and finish message, finish the TAU flow process.Follow-up D2D terminal can be carried out the D2D discovery, and initiates the D2D session in other D2D terminal.
Embodiment five
Figure 11 is according to the embodiment of the invention five flow chart that eNB carries out access control to the D2D terminal in the SR flow process.Present embodiment mainly is described in the scheme that eNB carries out D2D control in the Service Request process.To MME request D2D subscription data, MME issues eNB with the signatory parameter of D2D to eNB in Service Request request message, and eNB is according to the ability of D2D subscription data and network support D2D, and carrier policy, and whether decision-making allows to carry out the D2D session.Concrete steps are as follows:
Step S1102:D2D terminal is initiated Service Request request to eNB, carries the indication of D2D type or D2D ability in request message.
Step S1104:eNB issues MME with Service Request request, and carries D2D type, D2D ability or D2D subscription request and one of indicate in Service Request request.
Step S1106:MME initiates initial context to eNB and sets up request, at request message the D2D characterisitic parameter is sent to eNB.
Step S1108:eNB carries out D2D control.ENB is according to factors such as signatory D2D characterisitic parameter, network support D2D ability, carrier policy, and whether decision-making allows terminal to initiate the D2D session.And according to carrier policy, be this D2D terminal distribution LTE frequency spectrum resource.
Step S1110:eNB initiates radio bearer to the D2D terminal and sets up request, in request message, allows D2D session indication notice to the D2D terminal on network.If the LTE frequency spectrum resource that has been terminal distribution, the LTE wireless parameter that also needs to distribute sends to the D2D terminal.
Step S1112:D2D terminal notice eNB radio bearer is successfully established.
Step S1114:eNB returns initial context foundation to MME and finishes message, and the notice radio bearer is successfully established.Follow-up D2D terminal can be carried out the D2D discovery, and initiates the D2D session in other D2D terminal.
Embodiment six
Figure 12 is according to the embodiment of the invention six flow chart that eNB carries out access control to the D2D terminal in the session switching flow.Present embodiment is mainly described the D2D terminal and is moved in the D2D conversation procedure, and the resident eNB of this D2D terminal has moved to target eNB by source eNB.In the session handover request, source eNB sends to target eNB with the signatory parameter of D2D, and target eNB is according to the ability of D2D subscription data and network support D2D, and carrier policy, and whether decision-making allows to carry out the D2D session, and carries out D2 session switching.Concrete steps are as follows:
Step S1202:D2D terminal is initiated measurement report to eNB, and source eNB finds that this D2D terminal has moved to target eNB.
Step S1204: source eNB carries the signatory parameter of D2D to target eNB initiation session handover request in request message.
Step S1206: target eNB is carried out D2D control.Target eNB is according to factors such as signatory D2D characterisitic parameter, network support D2D ability, carrier policy, and whether decision-making allows terminal to initiate the D2D session switches.If allow, be this D2D terminal distribution LTE frequency spectrum resource.
Step S1208: if target eNB allows the D2D session to switch, then continue D2D session switching flow, and the D2D conversation shift is arrived target eNB.If target eNB does not allow the D2D session to switch, this D2D session is refused.
Embodiment seven
Figure 13 is the schematic flow sheet that the D2D terminal is carried out access control according to the embodiment of the invention seven MME.Present embodiment is mainly described the scheme that MME carries out D2D control.MME obtains the D2D subscription data from HSS, according to the ability of D2D subscription data and network support D2D, and carrier policy, whether decision-making allows to carry out the D2D session.Concrete steps are as follows:
Step S1302:D2D terminal is initiated access request to eNB, carries the D2D indication in request message.The D2D indication can be one of D2D type or D2D ability.
Step S1304: optional, eNB indicates according to D2D, for this D2D terminal is selected a MME who supports the D2D ability.
Step S1306:eNB issues MME with access request, and carries the D2D indication in access request.
Step S1308:MME asks the subscription data of D2D terminal to HSS launch position update request.
Step S1310:HSS issues MME with the subscription data of D2D terminal, comprises the D2D characterisitic parameter in the subscription data.
Step S1312:MME carries out D2D control.MME is according to factors such as signatory D2D characterisitic parameter, network support D2D ability, carrier policy, and whether decision-making allows terminal to initiate the D2D session.
Step S1314:MME allows D2D session indication to carry to eNB on network in the access request response message.
Step S1316: optional, eNB is this D2D terminal distribution LTE frequency spectrum resource according to carrier policy.
Step S1318:eNB sends the access response message to the D2D terminal, in the access response message, allows D2D session indication notice to the D2D terminal on network.If the LTE frequency spectrum resource that has been terminal distribution, the LTE wireless parameter that also needs to distribute sends to the D2D terminal.Follow-up D2D terminal can be carried out the D2D discovery, and initiates the D2D session in other D2D terminal.
Embodiment eight
Figure 14 is according to the embodiment of the invention eight flow chart that MME carries out access control to the D2D terminal in the ATTACH flow process.Present embodiment mainly is described in the scheme that MME carries out D2D control in the ATTACH process.ENB eNB selects a MME who supports the D2D ability, and sends the D2D indication to MME in the Attach request message.MME gets access to the signatory parameter of D2D from HSS, and according to the ability of D2D subscription data and network support D2D, and carrier policy, whether decision-making allows to carry out the D2D session.Concrete steps are as follows:
Step S1402:D2D terminal is initiated the ATTACH request to eNB, carries the indication of D2D type or D2D ability in request message.
Step S1404: optional, eNB indicates according to D2D, for this D2D terminal is selected a MME who supports the D2D ability.
Step S1406:eNB issues MME with ATTACH request, and in the ATTACH request, carry the D2D type, one of D2D ability indication.
Step S1408:MME asks the subscription data of D2D terminal to HSS launch position update request.
Step S1410:HSS issues MME with the subscription data of D2D terminal, comprises the D2D characterisitic parameter in the subscription data.
Step S1412:MME carries out D2D control.MME is according to factors such as signatory D2D characterisitic parameter, network support D2D ability, carrier policy, and whether decision-making allows terminal to initiate the D2D session.
Step S1414:MME sends initial context to eNB and sets up, and carries network and allow D2D session indication in request message.
Step S1416: optional, eNB is this D2D terminal distribution LTE frequency spectrum resource according to carrier policy.
Step S1418:eNB initiates radio bearer to the D2D terminal and sets up request, in request message, allows D2D session indication notice to the D2D terminal on network.If the LTE frequency spectrum resource that has been terminal distribution, the LTE wireless parameter that also needs to distribute sends to the D2D terminal.
Step S1420:D2D terminal notice eNB radio bearer is successfully established.
Step S1422:eNB returns initial context foundation to MME and finishes message, and the notice radio bearer is successfully established.Follow-up D2D terminal can be carried out the D2D discovery, and initiates the D2D session in other D2D terminal.
Step S1424:MME sends ATTACH to the D2D terminal and accepts message, can carry network and allow session to indicate the terminal to D2D in this message.
Embodiment nine
Figure 15 is according to the embodiment of the invention nine flow chart that MME carries out access control to the D2D terminal in the TAU flow process.Present embodiment mainly is described in the scheme that MME carries out D2D control in the TAU process.ENB selects a MME who supports the D2D ability, and sends the D2D indication to MME in the TAU request message.MME obtains the signatory parameter of D2D from HSS, and according to the ability of D2D subscription data and network support D2D, and carrier policy, whether decision-making allows to carry out the D2D session.Concrete steps are as follows:
Step S1502:D2D terminal is initiated the TAU request to eNB, carries the indication of D2D type or D2D ability in request message.
Step S1504: optional, eNB indicates according to D2D, for this D2D terminal is selected a MME who supports the D2D ability.
Step S1506:eNB issues MME with TAU request, and in the ATTACH request, carry the D2D type, one of D2D ability indication.
Step S1508:new MME gets access to the information such as MM context of D2D terminal from old MME.
Step S1510:new MME asks the subscription data of D2D terminal to HSS launch position update request.
Step S1512:HSS issues new MME with the subscription data of D2D terminal, comprises the D2D characterisitic parameter in the subscription data.
Step S1514:MME carries out D2D control.MME is according to factors such as signatory D2D characterisitic parameter, network support D2D ability, carrier policy, and whether decision-making allows terminal to initiate the D2D session.
Step S1516:MME accepts message at TAU and allows D2D session indication to send to eNB on network.
Step S1518: optional, eNB is this D2D terminal distribution LTE frequency spectrum resource according to carrier policy.
Step S1520:eNB initiates TAU to the D2D terminal and accepts message, accepts in the message at TAU, allows D2D session indication notice to the D2D terminal on network.If the LTE frequency spectrum resource that has been terminal distribution, the LTE wireless parameter that also needs to distribute sends to the D2D terminal.
After the step S1522:D2D terminal TA U success, return TAU to MME and finish message, finish the TAU flow process.Follow-up D2D terminal can be carried out the D2D discovery, and initiates the D2D session in other D2D terminal.
Embodiment ten
Figure 16 is according to the embodiment of the invention ten flow chart that MME carries out access control to the D2D terminal in the SR flow process.Present embodiment mainly is described in the scheme that MME carries out D2D control in the Service Request process.ENB sends the D2D indication to MME in Service Request request message, MME is according to the ability of D2D subscription data and network support D2D, and carrier policy, and whether decision-making allows to carry out the D2D session.Concrete steps are as follows:
Step S1602:D2D terminal is initiated Service Request request to eNB, carries the indication of D2D type or D2D ability in request message.
Step S1604: optional, eNB indicates according to D2D, for this D2D terminal is selected a MME who supports the D2D ability.
Step S1606:eNB issues MME with Service Request request, and in Service Request request, carry the D2D type, one of D2D ability indication.
Get access to the D2D subscription data from HSS before the step S1608:MME, after receiving the SR request, MME carries out D2D control.MME is according to factors such as signatory D2D characterisitic parameter, network support D2D ability, carrier policy, and whether decision-making allows terminal to initiate the D2D session
Step S1610:MME initiates initial context to eNB and sets up request, allows D2D session indication to send to eNB on network at request message.
Step S1612: optional, eNB is this D2D terminal distribution LTE frequency spectrum resource according to carrier policy.
Step S1614:eNB initiates radio bearer to the D2D terminal and sets up request, in request message, allows D2D session indication notice to the D2D terminal on network.If the LTE frequency spectrum resource that has been terminal distribution, the LTE wireless parameter that also needs to distribute sends to the D2D terminal.
Step S1616:D2D terminal notice eNB radio bearer is successfully established.
Step S1618:eNB returns initial context foundation to MME and finishes message, and the notice radio bearer is successfully established.Follow-up D2D terminal can adopt the LTE wireless frequency spectrum of distribution, initiates the D2D session to other D2D terminal.
By the various embodiments described above of the present invention, the mobile management that strengthens for the D2D terminal, D2D authentication and Resource Allocation in Networks etc. have defined connection control method and the system of adjacent terminal end, guarantee to realize under network control between the adjacent terminal end IP communication of direct-connected data link.By the present invention, access control and D2D access authentication in the terminal access 3GPP network of direct-connected communication have been realized having, for realizing that the direct-connected communication of terminal room provides basic premise, behind the D2D terminal access 3GPP network, can initiate the D2D session according to using needs, the user experiences and is greatly improved, and the eNB of operator and the flow of core net have also obtained effective shunting, make network robustness and disposal ability obtain great enhancing.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (18)

1. the connection control method of a direct-connected communication D2D terminal is characterized in that, comprising:
Network side receives the access request that carries the D2D indication that sends from described terminal;
Whether described network side carries out access authentication according to described D2D indication to described terminal and allows described terminal to initiate the D2D session with decision-making.
2. method according to claim 1 is characterized in that, described D2D indication comprises D2D type and/or D2D ability.
3. method according to claim 1 is characterized in that, network side receives before the access request that carries the D2D indication that sends from described terminal, also comprises:
Described network side notifies described terminal to support the eNB address of D2D ability;
Described terminal selects to support that the described eNB of D2D ability initiates described access request.
4. method according to claim 3 is characterized in that, whether described network side carries out access authentication according to described D2D indication to described terminal and allow described terminal to initiate the D2D session with decision-making, comprising:
Described eNB selects to support the MME of D2D ability according to described D2D indication, and sends the described access request of described terminal to described MME;
Described MME is according to the signatory parameter of the D2D of described terminal, D2D ability and the carrier policy of network, and whether authentication allows described terminal to carry out the D2D session, and notifies described eNB with authentication result.
5. method according to claim 1 is characterized in that, whether described network side carries out access authentication according to described D2D indication to described terminal and allow described terminal to initiate the D2D session with decision-making, comprising:
Described eNB notice MME need to carry out the D2D access authentication of described terminal, carries the signatory parameter request indication of described D2D indication or D2D in the wherein said notice;
Described MME is handed down to described eNB with the signatory parameter of the D2D of described terminal;
Described eNB is according to D2D ability and the carrier policy of the signatory parameter of the D2D of described terminal, eNB, and whether authentication allows described terminal to carry out the D2D session.
6. method according to claim 1 is characterized in that, after described network side decision-making allows described terminal initiation D2D session, also comprises:
Described network side carries the access response message of D2D session permission indication to allow described terminal to initiate the D2D session to described terminal transmission.
7. method according to claim 6 is characterized in that, described network side sends the access response message to allow described terminal to initiate also to comprise before the D2D session to described terminal:
Described network side is described D2D terminal distribution wireless frequency spectrum parameter, and the wireless frequency spectrum parameter is notified to described terminal according to the signatory parameter of the D2D of described terminal or carrier policy.
8. method according to claim 1 is characterized in that, after described terminal was initiated the D2D session, also comprise: source eNB was initiated to the D2D session handover request of target eNB, wherein, carries the signatory parameter of D2D of described terminal in the described handover request,
Whether the signatory Parameter Decision Making of the described D2D of described target eNB allows described D2D session to switch.
9. a direct-connected communication D2D terminal is characterized in that, comprising:
Whether the first transmitting element is used for sending the access request that carries the D2D indication to network side, allow described terminal to initiate the D2D session so that described network side carries out access authentication according to described D2D indication to described terminal with decision-making;
The first receiving element is used for receiving the response message to described access request from described network side, and extracts the indication that allows described terminal initiation D2D session from described response message.
10. terminal according to claim 9 is characterized in that, also comprises:
Selected cell is used for according to selecting to initiate described access request to the eNB that supports the D2D ability from the notice of described network side.
11. according to claim 9 or 10 described terminals, it is characterized in that described D2D indication comprises D2D type and/or D2D ability.
12. an evolved base station eNB is characterized in that, comprising:
The first Transmit-Receive Unit is used for receiving the access request that carries the D2D indication that sends from described terminal;
The first notification unit is used for the Mobility Management Entity MME that the D2D ability is supported in selection, and the D2D access authentication of notifying described MME need to carry out described terminal, carries the signatory parameter request indication of described D2D indication or D2D in the wherein said notice;
The second receiving element, the indication that is used for receiving the signatory parameter of D2D of the described terminal that issues from described MME or allows terminal D 2D session;
The first authentication ' unit is used for D2D ability and carrier policy according to the signatory parameter of the D2D of described terminal, eNB, and whether authentication allows described terminal to initiate the D2D session.
13. eNB according to claim 12 is characterized in that, described D2D indication comprises D2D type and/or D2D ability.
14. eNB according to claim 12 is characterized in that, described the first Transmit-Receive Unit also is used for carrying the access response message of D2D session permission indication to allow described terminal to initiate the D2D session to described terminal transmission.
15. eNB according to claim 12 is characterized in that, also comprises:
Resource allocation unit is used for being described D2D terminal distribution wireless frequency spectrum parameter, and by described the first Transmit-Receive Unit the wireless frequency spectrum parameter being notified to described terminal according to the signatory parameter of the D2D of described terminal or carrier policy.
16. a Mobility Management Entity MME is characterized in that, comprising:
The second Transmit-Receive Unit is used for receiving the access request from the D2D terminal that eNB transmits, and wherein, carries the D2D indication in the described access request;
The second authentication ' unit is used for the signatory parameter according to the D2D of described terminal, D2D ability and the carrier policy of network, and whether authentication allows described terminal to carry out the D2D session.
17. MME according to claim 16 is characterized in that, described D2D indication comprises D2D type and/or D2D ability.
18. MME according to claim 16 is characterized in that, described the second Transmit-Receive Unit also is used for notifying described terminal with authentication result by described eNB.
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