CN101237599A

CN101237599A - Method and MBMS system for UE to get user identifier

Info

Publication number: CN101237599A
Application number: CNA2007100032905A
Authority: CN
Inventors: 史莉荣
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2007-02-02
Filing date: 2007-02-02
Publication date: 2008-08-06

Abstract

The invention provides a method for requesting multimedia broadcast multicast service (MBMS) user equipment to obtain a user identity. The method comprises the following step: when UE is added in a multicast group, a core network (CN) sends a user identity to the UE. The invention also provides an MBMS system.

Description

Be used for method and MBMS system that UE obtains user ID

Technical field

The present invention relates to the communications field, particularly, relate to and be used for method and a kind of multimedia broadcast/group broadcast service (Multimedia Broadcast/Multicast Service the is abbreviated as MBMS) system that UE (UserEquipment, subscriber equipment) obtains user ID.

Background technology

MBMS is a kind of shared network resource, transmits the technology of data to a plurality of targets from a data source.In traditional mobile network, cell broadcaste service (Cell BroadcastService, CBS) allow low bit rate data to share broadcast channel and send, belong to information series business, in R99, have only short message service (SMS) cell broadcaste service to use CBS to all users by the sub-district.In order to effectively utilize mobile network resource, 3GPP has proposed multimedia broadcast/group broadcast service (MBMS) in R6, in the mobile network, provide a data source to send the point-to-multipoint service of data to a plurality of users, the realization Internet resources are shared, improve utilization rate of network resource, especially Bao Gui air interface resource.MBMS can not only realize the classes of messages multicast and the broadcasting of plain text low rate, and can also realize the multicast and the broadcasting of high-speed multimedia business, multiple rich video, audio frequency and multimedia service are provided, this has complied with the trend of following mobile data development undoubtedly, for the development of 3G provides better professional prospect.

The structural model figure of MBMS system as shown in Figure 1.

Broadcast multicast service center BM-SC is newly-increased mobile network functional entity, and it is content provider's a inlet, be used for authorizing and initiating the MBMS bearer service at mobile network, and plan transmits the MBMS content to schedule.

To existing WCDMA Packet Based Network functional entity: gateway GPRS supporting node (GGSN) (General Packet Radio Service Gateway Support Node, GGSN), service universal grouping wireless business supporting node (Serving General PacketRadio Service Support Node, SGSN), wireless access network (Radio Access Net, RAN) and subscriber equipment (User Equipment, UE), also need to increase MBMS correlation function and process.

MBMS has two kinds of service bearing modes, broadcasting and multicast pattern.Multicast pattern needs user's corresponding multicast group of contracting, and carries out activation of service, and produces corresponding charge information.Because it is different that multicast and broadcast mode exist, cause also difference of its operation flow on business demand.Broadcasting and multicast flow process are with reference to Fig. 2.

In MBMS multicast service flow process, it is two independently processes that the user adds that multicast group and session begin, and promptly the user can be in the adding multicast group whenever in the middle of session begin to carry out with session.

MBMS has two kinds of send modes: point-to-point (point to point is hereinafter to be referred as PTP) and put multiple spot (point to multipoint is hereinafter to be referred as PTM).Pass through dedicated service logic channel (Dedicated Traffic Channel under the PTP transmission means, DTCH) transmission data, be mapped to forward access channel (Forward Access Channel, FACH), dedicated channel (Dedicated Channel, DCH) or high speed descending sharing channel (High-SpeedDownlink Shared Channel, HS-DSCH) on, have only a UE to receive; Transmit data by MBMS PTM (Multimedia Broadcast/MulticastService point to multipoint) Traffic Channel MTCH under the PTM mode, be mapped on the FACH, a plurality of UE can receive.

Determine that at present send mode generally adopts the method for counting, when session begins, network side enabling counting process, the UE number of this MBMS of reception adopts the PTP mode more after a little while in the sub-district, otherwise adopts the PTM mode.

Yet this method is how much to carry out with the UE that receives MBMS, and does not consider the difference between UE.Because what the PTM mode adopted is common signal channel, has only open loop power control, when wireless quality changes, can't guarantee professional service quality, so just can not satisfy the requirement of some high-end user.

Propose in correlation technique, added the sign that characterizes user gradation in the MBMS of UE context, radio network controller is distinguished user gradation with this, to guarantee the service quality of high-end user.

In addition, in this correlation technique, although added the sign that characterizes user gradation in the MBMS of UE context, yet UE and do not know this sign does not know the user gradation of UE, so can't guarantee the service quality of high-end user.

Summary of the invention

The present invention aims to provide and is used for method and the MBMS system that UE obtains user ID, with in for example Wideband Code Division Multiple Access (WCDMA) (WCDMA) mobile communication system, to the request MBMS UE according to related resources such as user gradation assigned code resource, power resources.

According to an aspect of the present invention, provide a kind of subscriber equipment that is used to ask multimedia broadcast-multicast service MBMS to obtain the method for user ID, may further comprise the steps: core net CN passes to UE with user ID when UE adds multicast group.

In above-mentioned method, core net CN passes to UE with user ID and specifically comprises when UE adds multicast group: CN carries user ID in the MBMS context response information; And CN passes to UE with the MBMS context response information.

In above-mentioned method, user ID is used to identify the user gradation of UE.

In above-mentioned method, radio network controller (RNC) receives the send mode of MBMS according to user gradation to determining UE, and distributes respective resources.

In above-mentioned method, user gradation comprises the high-end user that priority is high, and RNC is to high-end user priority allocation respective resources.

According to a further aspect in the invention, provide a kind of MBMS system, comprised user equipment (UE), its request multimedia broadcast-multicast service MBMS also comprises: core net CN is used for when UE adds multicast group user ID being passed to UE.

In above-mentioned MBMS system, CN carries user ID in the MBMS context response information, and the MBMS context response information is passed to UE.

In above-mentioned MBMS system, user ID is used to identify the user gradation of UE.

In above-mentioned MBMS system, also comprise radio network controller (RNC), be used for receiving the send mode of MBMS to determining UE, and distribute respective resources according to user gradation.

In above-mentioned MBMS system, user gradation comprises the high-end user that priority is high, and RNC is to high-end user priority allocation respective resources.

By technique scheme, the present invention has realized following technique effect:

Adopt the method for the invention and MBMS system not to need to increase extra message, flow process, can when UE adds multicast group, the high-end user sign be passed to UE, and solution provided by the invention is simple and practical according to existing message flow.

Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can be by realizing at the specification of being write, claims and obtaining.

Description of drawings

Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:

Fig. 1 is the structural model figure of MBMS system;

Fig. 2 is MBMS broadcasting and multicast flow chart;

Fig. 3 is the UE adding MBMS multicast group flow chart according to the embodiment of the invention.

Embodiment

Set forth this method below by specific embodiment.

The invention provides the method that a kind of subscriber equipment that is used to ask multimedia broadcast-multicast service MBMS obtains user ID, may further comprise the steps: core net CN passes to UE with user ID when UE adds multicast group.

The present invention also provides a kind of MBMS system, comprises user equipment (UE), and its request multimedia broadcast-multicast service MBMS also comprises: core net CN is used for when UE adds multicast group user ID being passed to UE.

The UE that Fig. 3 shows according to the embodiment of the invention adds MBMS multicast group flow process, the user's adition process in the corresponding diagram 2.

Step N301 activates PDP and licensing process.

UE activates a common PDP Context, and by PDP Context, UE expresses willingness to network side transmission adding message and receives certain the MBMS multicast bear business that is identified by IP multicast address.Network side is authorized UE, and mandate is passed through, and requires UE to set up the MBMS context.

Step N302, UE send to SGSN and activate request message Activate MBMSContext Request, and context is set up in request.

Step N303, SGSN send to GGSN and set up request message Create MBMSRequest, and the MBMS context is set up in request.

Step N304, GGSN sends MBMS authorization request message MBMSAuthorization Request to BM-SC.

Step N305, mandate is passed through, and BM-SC echoes to GGSN and answers message MBMSAuthorization Response, carried high-end user sign VIP flag in the message, if this UE is the high-end user of the MBMS of activation, VIP flag is set to true, otherwise is set to false.BM-SC creates MBMS UE context.

Step N306, GGSN create MBMS UE context, and send response message Create MBMS Context Response to SGSN, carry VIP flag in the message.

Step N307, SGSN offers RAN by UE link message MBMS UE Linking Request with the UE context.

Step N308, SGSN sends activation MBMS context to UE and accepts message Activate MBMS Context Accept, carries TMGI and VIP flag in the message.

From above description as can be seen, adopt the method for the invention and MBMS system not to need to increase extra message, flow process, can when UE adds multicast group, the high-end user sign be passed to UE, and solution provided by the invention is simple and practical according to existing message flow.

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 changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a subscriber equipment that is used to ask multimedia broadcast-multicast service MBMS obtains the method for user ID, it is characterized in that, may further comprise the steps:

Core net CN passes to described UE with described user ID when described UE adds multicast group.

2. method according to claim 1 is characterized in that, core net CN passes to described UE with described user ID and specifically comprises when described UE adds multicast group:

Described CN carries described user ID in the MBMS context response information; And

Described CN passes to described UE with described MBMS context response information.

3. method according to claim 1 is characterized in that described user ID is used to identify the user gradation of described UE.

4. method according to claim 3 is characterized in that, radio network controller (RNC) determines that to described described UE receives the send mode of described MBMS according to described user gradation, and distributes respective resources.

5. method according to claim 4 is characterized in that described user gradation comprises the high-end user that priority is high, and described RNC is to described high-end user priority allocation respective resources.

6. a MBMS system comprises user equipment (UE), and its request multimedia broadcast-multicast service MBMS is characterized in that, also comprises:

Core net CN is used for when described UE adds multicast group user ID being passed to described UE.

7. MBMS according to claim 6 system is characterized in that described CN carries described user ID in the MBMS context response information, and described MBMS context response information is passed to described UE.

8. MBMS according to claim 6 system is characterized in that described user ID is used to identify the user gradation of described UE.

9. MBMS according to claim 8 system is characterized in that, also comprises radio network controller (RNC), is used for according to described user gradation the described described UE of determining being received the send mode of described MBMS, and distributes respective resources.

10. MBMS according to claim 9 system is characterized in that described user gradation comprises the high-end user that priority is high, and described RNC is to described high-end user priority allocation respective resources.