CN101217382B

CN101217382B - A method and network node to activate broadcasting multicast service

Info

Publication number: CN101217382B
Application number: CN200710000195XA
Authority: CN
Inventors: 周进怡
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2007-01-05
Filing date: 2007-01-05
Publication date: 2012-02-01
Anticipated expiration: 2027-01-05
Also published as: CN101217382A

Abstract

The invention discloses a method for activating the broadcast multicast service and comprises the following steps: A. the requests of activating the multicast service of a first broadcast from users are received; B. that whether the users activate at least a broadcast multicast service which belongs to the same group with the first broadcast multicast service is judged, if yes, the first broadcast multicast service of the users is activated. At the same time, the invention also discloses a network node which uses the activating method and by using the technical proposal of the invention, the waiting time of adding into the broadcast multicast service for users is shortened.

Description

A kind of method and network node that activates broadcasting multicast service

Technical field

The present invention relates to the mobile communication technology field, particularly a kind of method and network node that activates broadcasting multicast service.

Background technology

Along with the development of 3G (Third Generation) Moblie technology, 3G (Third Generation) Moblie can provide than the more service of high data rate of second generation mobile communication, thereby supports multiple business form, for example multicast service and broadcasting service.The difference of multicast service and broadcasting service is, multicast service only sends corresponding information to the user who has subscribed to some information, and the broadcasting service then user of all in wireless network is sent information.Therefore, to a large number of users identical information is provided simultaneously, can greatly saves Internet resources through multicast service/broadcasting service.

Support that the wireless network architecture sketch map of broadcasting multicast service is as shown in Figure 1, be used for GPRS (General Packet Radio Service, GPRS); The broadcasting multicast service server (BroadcastMulticast-Service Center, (GatewayGPRS Support Node GGSN) links to each other BM-SC) to pass through interface and Gateway GPRS Support Node; (Serving GPRS Support Node's GGSN SGSN) links to each other, and SGSN passes through interface and universal land radio access web (Universal Terrestrial Radio Access Network through interface and Serving GPRS Support Node; UTRAN) link to each other, UTRAN through interface and subscriber equipment (User Equipment, UE) continuous; SGSN also can strengthen wireless access network (GSM EDGE Radio Access Network through interface and global system for mobile communications; GERAN) link to each other, GERAN links to each other with UE through interface, wherein; A BM-SC can be connected with a plurality of GGSN, and a GGSN can be connected with a plurality of SGSN.

In the prior art, UE will receive specific multimedia broadcast-multicast service, and (MultiMedia BroadcastMulticast Service, data MBMS) must first activating MBMS business.UE activating MBMS business is the signaling procedure between UE and the network, and this process is that UE must obtain authentication to corresponding BM-SC, and on SGSN, GGSN and BM-SC, sets up MBMS UE context.

Can find out that activation of the prior art is too complicated, make UE add the waits for too long of MBMS multicast service.

Summary of the invention

The object of the invention provides a kind of method and network node that activates broadcasting multicast service, shortens the stand-by period that the user adds broadcasting multicast service.

For solving the problems of the technologies described above, the objective of the invention is to realize through following technical scheme:

A kind of method that activates broadcasting multicast service comprises:

A, receive request from user's activation first broadcasting multicast service;

Whether B, judges have activated with first broadcasting multicast service belongs to mutually at least one broadcasting multicast service on the same group, if, first broadcasting multicast service of excited users.

A kind of network node comprises: the message sink unit, and the bearer service unit activates the unit, wherein,

The message sink unit is used to receive the request from user's activation first broadcasting multicast service;

The bearer service unit is used for according to the request that activates first broadcasting multicast service, and whether judges has activated with first broadcasting multicast service belongs to mutually at least one broadcasting multicast service on the same group, if send first notification message to the activation unit;

Activate the unit, be used for after receiving first notification message first broadcasting multicast service of excited users.

Above technical scheme can be found out; The present invention belongs to different groups with one or more broadcasting multicast services; After the request of reception from user's activation first broadcasting multicast service, whether judges has activated with first broadcasting multicast service belongs to mutually at least one broadcasting multicast service on the same group, if; Do not need to obtain authentication to the broadcast multicast services device; Confirm user activation first broadcasting multicast service, and the process of user activation broadcasting multicast service is become simply, shorten the stand-by period that the user adds broadcasting multicast service.

Description of drawings

Fig. 1 is for supporting the wireless network architecture sketch map of broadcasting multicast service;

The method flow diagram of the activation broadcasting multicast service that Fig. 2 is provided for embodiment one;

Group context that Fig. 3 is provided for embodiment one and MBMS bearer context concern sketch map;

The flow chart that SGSN notice GGSN that Fig. 4 is provided for embodiment one and BM-SC have activated the broadcasting multicast service of UE;

The flow chart that SGSN notice GGSN that Fig. 5 is provided for embodiment one and BM-SC have activated the broadcasting multicast service of UE;

The MBMS register flow path figure that Fig. 6 embodiment one is provided;

The MBMS logout flow path figure that Fig. 7 embodiment one is provided;

Fig. 8 is network node structure figure provided by the present invention.

Embodiment

For making technical scheme of the present invention clearer, the embodiment that develops simultaneously with reference to the accompanying drawings is to embodiment of the invention further explain.

(1) embodiment one

Consult Fig. 2, the method that activates broadcasting multicast service may further comprise the steps:

Step 201, UE create MBMS UE context; Send the activation first broadcasting multicast service request message to SGSN, activate the first broadcasting multicast service request message and include but not limited to: IP multicast address, APN (Access Point Name; APN), the bearing capacity of MBMS;

Step 202, SGSN seek the first broadcast multicast service carrier context according to IP multicast address and APN in the MBMS bearer context that prestores; Judge whether the first broadcast multicast service carrier context comprises group id, if, execution in step 203; If not, execution in step 204;

Step 203, judge according to the group id in the first broadcast multicast service carrier context whether UE has activated at least one broadcasting multicast service of this group, if not, execution in step 205, if, execution in step 208;

The present invention is divided into same group with one or more broadcasting multicast service; Can distinguish different groups with different group ids; Corresponding group information is kept in the group context; The relation of group context and MBMS bearer context is as shown in Figure 3, comprises the group id of representing this group and the bearer service sign that belongs to this group in the group context; Comprise group id and the bearer service sign of self in the MBMS bearer context; Bearer service be designated IP multicast address and APN or for Temporary Mobile Group Identity (Temporary MobileGroup Identity, TMGI);

Wherein, Judge that according to the group id in the MBMS bearer context any one broadcasting multicast service whether UE has activated this group has two kinds of implementations; A kind of is that SGSN seeks the corresponding group context of group id according to group id; Obtain the bearer service sign in the carrying tabulation in the group context, obtain other MBMS bearer contexts according to the bearer service sign, whether searching has the MBMS UE context of this UE in the MBMS UE context that link with other MBMS bearer contexts; If have, confirm that UE has activated at least one broadcasting multicast service of this group; The another kind of MBMS bearer context of seeking for SGSN with identical group id; With MBMS UE context that the MBMS bearer context with identical group id links in seek the MBMS UE context whether this UE is arranged; If have, confirm that UE has activated at least one broadcasting multicast service of this group;

Step 204, be not with group id to represent that first broadcasting multicast service adds default group, judge whether UE has activated at least one broadcasting multicast service of default group, if deny, execution in step 205, if, execution in step 208;

Wherein, Judge that at least one broadcasting multicast service whether UE has activated default group is specially: obtain other MBMS bearer contexts that do not have group id; From with the MBMS UE context that does not link with other MBMS bearer contexts of group id search whether the MBMS of this UE UE context is arranged; If have, confirm that UE has activated the bearer service of default group;

Step 205, SGSN set up MBMS UE context; Send to create the MBMS context request to GGSN, create the MBMS context request message and comprise the information of setting up MBMS UE context needs and the information of authentication needs at least, wherein; The information that MBMS UE context needs comprises: IP multicast address; APN, and the network layer Operational Visit point identification of multimedia broadcast-multicast service (MultiMediaBroadcast Multicast Service_Network layer Service Access Point Identifier, MBMS_NSAPI); International mobile subscriber sign (International Mobile Subscriber Identity, IMSI); The information that authentication needs comprises: and Routing Area Identifier (Routing Area Identification, RAI) etc., wherein, GGSN is the GGSN that obtains according to APN;

Step 206, GGSN send authorization request message to BM-SC; Comprise the information of setting up MBMS UE context needs and the information of authentication needs in the authorization request message; Wherein, The information that setting up MBMS UE context needs comprises: IMSI, and the information that authentication needs comprises: RAI etc., BM-SC create MBMS UE context and send authorization response message to GGSN;

Step 207, when to the MBMS business when MBMS bearer context is arranged, GGSN creates the MBMSUE bearer context, sends to SGSN and creates the MBMS context response information; SGSN sends activating MBMS context to UE and accepts message, process ends;

Step 208, SGSN notice GGSN and BM-SC have activated first broadcasting multicast service of UE;

Step 209, SGSN send activating MBMS context to UE and accept message.

Wherein, step 208 does not have the precedence relationship on the sequential with step 209, can carry out simultaneously, or first execution in step 209;

The information that SGSN notifies GGSN and BM-SC to activate first broadcasting multicast service of UE in the step 208 can use establishment MBMS context request message and authorization request message to carry; Also can use new message to notify; Do not influence realization of the present invention, can be after the notified information of BM-SC to relevant Business Processing such as UE charge.

SGSN notice GGSN and BM-SC have activated the information of first broadcasting multicast service of UE in the step 208; This information has two kinds of implementations when using establishment MBMS context request message and authorization request message to carry; Consult Fig. 4, first kind of implementation comprises:

Step 401, SGSN send to GGSN and create the MBMS context request message; Create the MBMS context request message and comprise the necessary information of MBMS UE context of creating, create the necessary information of MBMS UE context and comprise: IP multicast address, APN; MBMS_NSAPI, IMSI;

Step 402, GGSN set up MBMS UE context after receiving and creating MBMS context request information; And to BM-SC transmission MBMS authorization request message; The MBMS authorization request message comprises the necessary information of MBMS UE context of creating, and creates the necessary information of MBMS UE context and comprises: IMSI;

Step 403, BM-SC create MBMS UE context after receiving the MBMS authorization request message, to GGSN return authorization response message.

Consult Fig. 5, second kind of implementation comprises:

Step 501, SGSN send to GGSN and create the MBMS context request message; Create the MBMS context request message and comprise the necessary information of MBMS UE context of creating, create the necessary information of MBMS UE context and comprise: IP multicast address, APN; MBMS_NSAPI, IMSI;

Step 502, GGSN send the MBMS authorization request message to BM-SC, and the MBMS authorization request message comprises the necessary information of MBMS UE context of creating, and create the necessary information of MBMS UE context and comprise: IMSI;

Step 503, BM-SC create MBMS UE context after receiving the MBMS authorization request message, to GGSN return authorization response message;

Step 504, GGSN set up MBMS UE context, return response message to SGSN.

In BM-SC; Configuration contains the MBMS bearer context of group id and bearer service sign; On SGSN and GGSN, when perhaps working as downstream node request when not having corresponding M BMS bearer context, obtain necessary parameter and create corresponding MBMS bearer context through register flow path when self creating first MBMS UE context; As downstream node floating radio network controller (DriftRadioNetwork Controller; When DRNC) asking, consult Fig. 6, the MBMS registration process may further comprise the steps:

Step 601, when the UE that detects its administration as DRNC asks first broadcasting multicast service, the SGSN under self sends the MBMS login request message, the MBMS login request message comprises: IP multicast address and APN;

Step 602, SGSN set up the first broadcast multicast service carrier context according to the MBMS login request message, send the MBMS login request message to GGSN;

Step 603, GGSN set up the MBMS bearer context of self according to the MBMS login request message, and the MBMS login request message is sent to BM-SC;

Step 604, BM-SC join the sign of GGSN in the downstream node listing of MBMS bearer context of self, send the MBMS registration reply message to GGSN, and the MBMS registration reply message should comprise: group id, bearer service sign; If do not comprise group id in the MBMS registration reply message, represent that first broadcasting multicast service does not belong to any group or belong to certain default group; When group id is particular value, represent that first broadcasting multicast service belongs to corresponding group;

Step 605, GGSN join the SGSN sign downstream node listing of the MBMS bearer context of self; And group id and bearer service sign joined self MBMS bearer context; GGSN finds group context according to group id; The bearer service identification record in the carrying tabulation of group context, is sent the MBMS registration reply message to SGSN;

After step 606, SGSN receive MBMS register response information; The sign of DRNC is joined in the contextual downstream node listing of first broadcast multicast service carrier; SGSN joins the first broadcast multicast service carrier context with group id, bearer service sign; SGSN finds group context according to group id, and in the carrying tabulation of bearer service identification record in group context, SGSN returns MBMS register response information to DRNC;

Wherein, Can comprise in the MBMS registration reply message in step 605, the step 606 and carry tabulation; GGSN and SGSN confirm corresponding group according to group id, will carry tabulation and add group context, carry tabulation and comprise one or more bearer service that belongs to this group sign;

When UE that DRNC administered does not need certain MBMS bearer service, will trigger the MBMS log off procedure, consult Fig. 7, the MBMS log off procedure may further comprise the steps:

The UE that does not need the MBMS bearer service among step 701, the UE that DRNC administered sends MBMS de-registration request message to the SGSN of DRNC ownership;

Step 702, SGSN delete DRNC from the downstream node listing of corresponding M BMS bearer context, and send the MBMS registration reply message to DRNC and confirm; The downstream node listing of MBMS bearer context is empty in SGSN; And there is not MBMS UE context linking among this SGSN to this MBMS bearer context; SGSN sends MBMS de-registration request message to GGSN, comprises in the MBMS de-registration request message: IP multicast address, APN; SGSN can be with the deletion from the carrying tabulation of group context of bearer service sign in the group context that prestores;

Step 703, GGSN delete SGSN from the downstream node listing of corresponding M BMS bearer context, and send MBMS cancellation response message and confirm to SGSN; The downstream node listing of MBMS bearer context is empty in GGSN, and does not have MBMS UE context linking to the MBMS bearer context, and GGSN sends MBMS de-registration request message to BM-SC, and MBMS de-registration request message comprises: IP multicast address, APN; GGSN can be with the deletion from the carrying tabulation of group context of bearer service sign in the group context that prestores;

Step 704, BM-SC delete the sign of GGSN from the downstream node listing of corresponding M BMS bearer context, send MBMS cancellation response message and confirm to GGSN.

Wherein, Group context is used to represent the corresponding relation between a group and the one or more MBMS bearer service; Group context is along with the MBMS bearer context is present in the network node; Group context is a static configuration in BM-SC, in SGSN and GGSN, creates along with the establishment of first MBMS bearer context in this group, along with last the MBMS bearer context in this group is canceled and nullifies.Can store some identical parameters of the bearer service that belongs to this group in the group, such as the MBMS coverage etc., these identical parameters can be stored in the bearer context, save the memory space of bearer context.

(2) embodiment two

At System Architecture Evolution (System Architecture Evolution; SAE) also can utilize the method for embodiment one to activate broadcasting multicast service on; Wherein, use Mobility Management Entity/user entity (MobilityManagement Entity/User Plane Entity, MME/UPE) function of the SGSN among the realization embodiment one; Use anchor point between connecting system (Inter Access System Anchor, IASA) function of the GGSN among the realization embodiment one.

The invention provides a kind of network node, comprising: message sink unit 801, bearer service unit 802 activates unit 803, notification unit 804, wherein,

Message sink unit 801 is used to receive the request from user's activation first broadcasting multicast service;

Bearer service unit 802; Be used for according to the request that activates first broadcasting multicast service; Whether judges has activated with first broadcasting multicast service belongs to mutually at least one broadcasting multicast service on the same group, if send first notification message to activating unit 803;

Activate unit 803, be used for after receiving first notification message first broadcasting multicast service of excited users;

Notification unit 804 is used for obtaining the information of first broadcasting multicast service of excited users from activating unit 803, generates second notification message and transmission.

Wherein, bearer service unit 802 comprises: first memory cell, 901, the second memory cell, 902, the first judging units, 903, the second judging units, 904, the three judging units 905, wherein,

First memory cell 901, be used for stored broadcast multicast service carrier context and with the broadcasting multicast service user's context of broadcast multicast service carrier context linking;

Second memory cell 902 is used for the storage sets context, and group context comprises group id and the bearer service sign that belongs to group;

First judging unit 903; Be used for according to the request that activates first broadcasting multicast service; From first memory cell 901, seek the first broadcast multicast service carrier context, judge in the first broadcast multicast service carrier context whether group id is arranged, the output judged result;

Second judging unit 904; Be used to receive judged result from first judging unit 903; When judged result is that the first broadcast multicast service carrier context is when having group id; From first memory cell 901, seek other broadcast multicast service carrier contexts that contain group id; From with the broadcasting multicast service user's context of other broadcast multicast service carrier context linkings that contain group id seek the broadcasting multicast service the user's context whether user is arranged, if having, send first notification message to activating unit 803; Or obtain group context from second memory cell 902 according to group id; From group context, obtain the bearer service sign; Obtain other broadcast multicast service carrier contexts according to the bearer service sign from first memory cell 901; From with the broadcasting multicast service user's context of other broadcast multicast service carrier context linkings seek the broadcasting multicast service the user's context whether user is arranged, if send first notification message to activating unit 803;

The 3rd judging unit 905; Be used to receive judged result from first judging unit 903; When judged result is that the first broadcast multicast service carrier context is not when having group id; From first memory cell 901, seek not other broadcast multicast service carrier contexts with group id; From with not with seeking the broadcasting multicast service the user's context whether user is arranged the broadcasting multicast service user's context of other broadcast multicast service carrier context linkings of group id, if having, send first notification message to activating unit 803.

Network node also comprises the first establishment unit 805 and the second establishment unit 806,

The first establishment unit 805 is used to receive group id and bearer service sign, creates the first broadcast multicast service carrier context that contains group id and bearer service sign and sends to first memory cell 901;

The second establishment unit 806 is used to receive group id and the bearer service sign that belongs to this group, creates the group context that contains group id and the bearer service sign that belongs to this group and sends to second memory cell 902.

The present invention belongs to different groups with one or more broadcasting multicast services; After the request of reception from user's activation first broadcasting multicast service, whether judges has activated with first broadcasting multicast service belongs to mutually at least one broadcasting multicast service on the same group, if; Confirm user activation first broadcasting multicast service; And do not need to obtain authentication to the broadcast multicast services device, the process of user activation broadcasting multicast service is become simply, shorten the stand-by period that the user adds broadcasting multicast service.

More than a kind of method and network node that activates broadcasting multicast service provided by the present invention carried out detailed introduction; Used concrete example among this paper principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.

Claims

1. a method that activates broadcasting multicast service is characterized in that, comprising:

A, receive request from user's activation first broadcasting multicast service;

B, judge whether said user has activated with said first broadcasting multicast service and belong to mutually at least one broadcasting multicast service on the same group, if activate said user's said first broadcasting multicast service;

Wherein, said step B is specially:

According to the said first broadcast multicast service carrier context of the acquisition request of said activation first broadcasting multicast service; When the said first broadcast multicast service carrier context comprises group id; Obtain other broadcast multicast service carrier contexts that have said group id according to said group id

From with the broadcasting multicast service user's context of other broadcast multicast service carrier context linkings that have said group id search whether said user's broadcasting multicast service user's context is arranged; If have, activate said user's said first broadcasting multicast service.

2. method according to claim 1 is characterized in that, obtains other broadcast multicast service carrier contexts that have said group id according to said group id and is specially:

Obtain the group context that prestores according to said group id, said group context comprises: said group id and the bearer service sign that belongs to said group, obtain other broadcast multicast service carrier contexts that have said group id according to said bearer service sign.

3. method according to claim 1 is characterized in that:

When the said first broadcast multicast service carrier context does not comprise group id; Obtain other broadcast multicast service carrier contexts of not being with group id; From not searching whether said user's broadcasting multicast service user's context is arranged the broadcasting multicast service user's context with other broadcast multicast service carrier context linkings of group id with said; If have, activate said user's said first broadcasting multicast service.

4. method according to claim 2 is characterized in that, also comprises before the steps A: the said group id of broadcasting multicast service server configures first broadcasting multicast service and said bearer service sign.

5. method according to claim 4 is characterized in that, said group id in the said first broadcast multicast service carrier context and/or said bearer service sign are obtained from said broadcast multicast services device.

6. method according to claim 4 is characterized in that, is confirming that the user has activated with after said first broadcasting multicast service belongs to mutually at least one broadcasting multicast service on the same group, and this method also comprises:

Send the notification message of said first broadcasting multicast service that has activated said user to said broadcasting multicast service server.

7. a network node is characterized in that, comprising: the message sink unit, and the bearer service unit activates the unit, wherein,

The bearer service unit; Be used for request according to said activation first broadcasting multicast service; Judging whether said user has activated with said first broadcasting multicast service belongs to mutually at least one broadcasting multicast service on the same group, if send first notification message to activating the unit;

Activate the unit, be used for after receiving first notification message, activate said user's said first broadcasting multicast service;

Wherein, said bearer service unit comprises: first memory cell, and first judging unit, second judging unit, wherein,

First memory cell, be used for stored broadcast multicast service carrier context and with the broadcasting multicast service user's context of said broadcast multicast service carrier context linking;

First judging unit is used for according to the request that activates first broadcasting multicast service, from first memory cell, seeks the first broadcast multicast service carrier context, judges in the said first broadcast multicast service carrier context whether group id is arranged, the output judged result;

Second judging unit; Be used to receive judged result from first judging unit; When said judged result is that the said first broadcast multicast service carrier context is when having group id; From first memory cell, seek other broadcast multicast service carrier contexts that contain said group id; From with the broadcasting multicast service user's context of other broadcast multicast service carrier context linkings that contain said group id seek the broadcasting multicast service user's context whether said user is arranged, if having, send first notification message to activating the unit.

8. network node according to claim 7 is characterized in that, said bearer service unit also comprises: the 3rd judging unit,

The 3rd judging unit; Be used to receive judged result from first judging unit; When said judged result is that the said first broadcast multicast service carrier context is not when having group id; From first memory cell, seek not other broadcast multicast service carrier contexts with group id; From with said not with seeking the broadcasting multicast service user's context whether said user is arranged the broadcasting multicast service user's context of other broadcast multicast service carrier context linkings of group id, if having, send first notification message to activating the unit.

9. according to claim 7 or 8 described network nodes, it is characterized in that said network node also comprises notification unit,

Notification unit is used for generating second notification message and transmission from activating the information that the unit obtains said first broadcasting multicast service that activates said user.

10. network node according to claim 7 is characterized in that, said network node also comprises the first establishment unit,

The first establishment unit is used to receive said group id and bearer service sign, creates the first broadcast multicast service carrier context that contains said group id and said bearer service sign and sends to first memory cell.

11. a network node is characterized in that, comprising: the message sink unit, the bearer service unit activates the unit, wherein,

Wherein, said bearer service unit comprises: first memory cell, and second memory cell, first judging unit, second judging unit, wherein,

Second memory cell is used for the storage sets context, and said group context comprises said group id and the bearer service sign that belongs to said group;

Second judging unit; Be used to receive judged result from first judging unit; When said judged result is when in the said first broadcast multicast service carrier context group id being arranged, to obtain group context according to said group id from second memory cell, from said group context, obtain the bearer service sign; Obtain other broadcast multicast service carrier contexts according to said bearer service sign from first memory cell; From with the broadcasting multicast service user's context of said other broadcast multicast service carrier context linkings seek the broadcasting multicast service user's context whether said user is arranged, if send first notification message to activating the unit.

12. network node according to claim 11 is characterized in that, said network node also comprises notification unit,

13. network node according to claim 11 is characterized in that, said network node also comprises the second establishment unit,

The second establishment unit is used to receive said group id and the bearer service sign that belongs to said group, create contain said group id with belong to said group the bearer service sign group context and send to second memory cell.