CN1842209B - Method for providing MBMS service - Google Patents
Method for providing MBMS service Download PDFInfo
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- CN1842209B CN1842209B CN200510062481A CN200510062481A CN1842209B CN 1842209 B CN1842209 B CN 1842209B CN 200510062481 A CN200510062481 A CN 200510062481A CN 200510062481 A CN200510062481 A CN 200510062481A CN 1842209 B CN1842209 B CN 1842209B
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Abstract
The invention provides a method of multimedia broadcast and group broadcast business. When UE at PMM IDLE condition enters into CMM CONNECTED condition, UE sends initial direct transfer information toRNC; if RNC tests the initial direct transfer information comprises MBMS adding tag, RNC sends up-line information exchange pleasing information to SGSN for pleasing the BMS business list; if the up-line information exchange pleases UE adding to MBMS business, SGSN organizes the up-line information exchange response information with UE adding MBMS business tag and wireless switch loading tag list; SGSN sends the up-line information exchange response information to RNC; when RNC receives the up-line information exchange response information, if it pleases UE adding to MBMS business, it storesthe relation between MBMS business tag and RAB tag on the MBMS context.
Description
Technical field
The present invention relates to Wideband Code Division Multiple Access (WCDMA) (hereinafter to be referred as WCDMA) mobile communication system, particularly provide multimedia broadcasting and multicast service to be connected the method for the subscriber equipment (hereinafter to be referred as UE) of (hereinafter to be referred as CONNECTED) state to idle (following IDLE) state of grouping mobile management (hereinafter to be referred as PMM), circuit mobile management (hereinafter to be referred as CMM).
Background technology
Multimedia broadcasting and multicast service (hereinafter to be referred as MBMS) are that a standardized new business is being carried out in third generation partner plan (hereinafter to be referred as 3GPP).The MBMS business is a kind of business of unidirectional point-to-multipoint, and the maximum characteristics of this business are that it can effectively utilize Radio Resource and Internet resources.
Fig. 1 has described the system configuration of MBMS, and the MBMS network configuration is based on GPRS (be called for short GPRS) core net, and has increased new network element.Be description below to Fig. 1 MBMS system configuration.
101 broadcasting and multicast service center (being called for short BM-SC) are the professional control centres of MBMS system.102 Gateway GPRS Support Nodes (be called for short GGSN) and 103 Serving GPRS Support Nodes (abbreviation SGSN) have constituted the transmission network of MBMS business, for the transmission of data provides route.104UMTS land radio access web (being called for short UTRAN) provides Radio Resource for MBMS serves on the interface aloft.105 subscriber equipmenies (being called for short UE) are the terminal equipments that is used for receiving data.106 attaching position registers (being called for short HLR) are preserved and subscriber-related data, and services such as subscription authentication can be provided.107Uu is a wave point, and 108Iu represents the interface between Access Network and the core net.The professional used Iu signaling of MBMS connects and the user plane carrying is not user's special use, but all users of business share thus.
Existing RNC obtains PMM IDLE, and the process of the MBMS business that the UE of CMM CONNECTED state adds as shown in Figure 2.Here ignored the step that the UE of some and MBMS independent of service enters CMM CONNECTED state.
When 201 UE when PMM IDLE state entered CMM CONNECTED state, UE sent INITIALDIRECT TRANSFER (hereinafter to be referred as initial direct transfer) message and gives RNC.RNC sends Non-Access Stratum (hereinafter to be referred as NAS) message and gives mobile services switching centre (hereinafter to be referred as MSC), gives MSC as RNC by sending " initial UE message ".
If 202 RNC are checked through in the initial direct transfer message when comprising " MBMS adds sign ", RNC sends 203 UPLINK INFORMATION EXCHANGE REQUEST (hereinafter to be referred as uplink information exchange request) message and gives SGSN, goes for the MBMS service lists of asking this UE to add.204 SGSN receive behind RNC next " uplink information exchange request ", send " uplink information exchange response " message according to information requested type in the message and give RNC, if comprise " permanent Non-Access Stratum UE sign " in the request message, SGSN is included in " tabulation of MBMS service identification " that this UE adds in the response message.
205 RNC preserve the MBMS service identification in the relevant context of MBMS after receiving " uplink information exchange response " message.
Existing RNC provides the MBMS business to PMM IDLE in the PTP mode, and the process of the UE of CMM CONNECTED state as shown in Figure 3.
After 301 MBMS sessions began, when for example the MBMS session began, perhaps the change of interested UE number in the sub-district in the process was carried out in the MBMS session.302RNC is according to the number of UE in the sub-district, and the transmission mode in the decision sub-district is that point-to-point (hereinafter to be referred as PTP) or point arrive multiple spot (hereinafter to be referred as PTM).Provide in the sub-district of MBMS business in the PTP mode in decision, 303 correspondences are in the UE of PMM IDLE, CMMCONNECTED state, and RNC begins by Dedicated Control Channel (hereinafter to be referred as DCCH) notice UE MBMS session.After 304 UE receive that the MBMS session begins indication, send " service request " message and give SGSN, service request former because " MBMS business ".305 SGSN connect transmission " MBMS UE connection request " message to RNC by the Iu signaling of UE special use, comprise " MBMS service identification and RAB (hereinafter to be referred as RAB) identification list " in the message.After 306 RNC receive " the MBMS UE connection request " message of coming from SGSN, preserve MBMS service identification and RAB (hereinafter to be referred as RAB) identification list in the relevant context of MBMS, and send " MBMS UE connection response " and give SGSN.307 RNC use RAB to identify the radio bearer (hereinafter to be referred as RB) that UE for this reason sets up PTP, and RNC sends " RB foundations " message to UE.Receive " RB sets up and the finishes " message of coming as RNC after from UE, just can be by the radio bearer transmission MBMS business set up to this UE.
Provide in the PTP mode in the process of MBMS business to UE at existing RNC, RNC needs 303-307 step shown in Figure 3, i.e. RNC paging UE, UE send business request information to SGSN, and the MBMS UE connection procedure of Iu interface, just can set up RB to UE.RNC has just obtained the UE RAB sign of MBMS traffic assignments for this reason by 303 to 306 these processes, this sign offers RNC by SGSN, can obtain by the Iu interface, this process has been wasted the resource of air interface, and the speed of MBMS business to UE that provides has been provided.
Summary of the invention
The method that a kind of MBMS of providing business is provided.
For achieving the above object, a kind of method that multimedia broadcasting and multicast service are provided comprises step:
When the UE of PMM IDLE state entered CMM CONNECTED state, UE sent " initial direct transfer " message and gives radio network controller (RNC), comprises " MBMS adds sign " in the message;
" uplink information exchange request information is given SGSN, the MBMS service lists of asking described UE to add in described radio network controller (RNC) transmission;
Described SGSN sends " uplink information exchange response " message and gives described RNC, comprises the MBMS service identification of UE adding and the wireless access bearing sign tabulation of the corresponding described MBMS business of UE in the message;
RNC preserves described MBMS service identification and wireless access bearing sign and tabulates in the relevant context of MBMS;
RNC determines that the transmission mode of certain sub-district is point-to-point PTP;
RNC is according to the RAB sign of corresponding this MBMS business of the RAB parameter in the MBMS context and UE, in the sub-district each set up the PTP carrying to the professional interested UE of this MBMS;
RNC sends " RB foundation " message and gives UE.
Method of the present invention has been saved the resource of air interface, and having simplified in the PTP mode provides the flow process of MBMS business to the UE that is in PMM IDLE, CMM CONNECTED state, has accelerated to provide the speed of MBMS business to UE.
Description of drawings
Fig. 1 is the logical network equipment drawing of MBMS business;
Fig. 2 is that existing RNC obtains PMM IDLE, the process of the MBMS business that the UE of CMM CONNECTED state adds;
Fig. 3 is that existing RNC provides the MBMS business to PMM IDLE in the PTP mode, the process of CMM CONNECTED state UE;
Fig. 4 is that RNC of the present invention obtains PMM IDLE, and the UE of CMM CONNECTED state adds the process of MBMS business;
Fig. 5 is that RNC of the present invention provides the MBMS business to PMM IDLE in the PTP mode, the process of CMMCONNECTED state UE;
Fig. 6 is that RNC of the present invention provides the method for MBMS business to UE, the operating process of SGSN in the PTP mode;
Fig. 7 is that RNC of the present invention provides the method for MBMS business to UE, the operating process of RNC in the PTP mode.
Embodiment
What provided a kind of simple possible among the present invention provides the method for MBMS business to UE in the PTP mode.
Above-mentioned process describes with figure, also with flow chart the node course of work of (comprising RNC, SGSN) is described.
Providing in the method for MBMS business to UE in the PTP mode that the present invention proposes is provided Fig. 4, RNC obtains PMM IDLE, the process of the MBMS business that the UE of CMM CONNECTED state adds has been ignored the step that the UE of some and MBMS independent of service enters CMM CONNECTED state here.Can obtain the MBMS service identification and the RAB identification list of the MBMS business of UE adding by this process RNC.
When 401 UE when PMM IDLE state entered CMM CONNECTED state, UE sent " initial direct transfer " message and gives RNC.
If 402 RNC are checked through when comprising " MBMS adds sign " in " initial direct transfer " message, " uplink information exchange request information is given SGSN, goes for the MBMS service lists of asking this UE to add in 403 RNC transmission.
404 SGSN receive from RNC come " after the uplink information exchange request information; give " uplink information exchange response " message of RNC according to information requested types of tissue in the message; if information requested is the MBMS business that UE adds; be to comprise " permanent Non-Access Stratum UE sign " in the request message, SGSN is included in the response message " the MBMS service identification and the RAB identification list " of the MBMS business that this UE adds.SGSN sends " uplink information exchange response " message and gives RNC.
After 405 RNC received " uplink information exchange response " message, the corresponding relation of preserving MBMS service identification and RAB sign was in the relevant context of MBMS, as MBMS context and MBMS UE context.
Providing in the method for MBMS business to UE in the PTP mode that the present invention proposes is provided Fig. 5, and RNC provides the MBMS business to PMM IDLE in the PTP mode, the process of the UE of CMM CONNECTED state.Here it is irrelevant to have ignored invention therewith, some steps that this invention does not change, and as the counting process among the RNC, RNC sends " the MBMS session begins response " message and gives the process of SGSN etc.
After 501 MBMS sessions began, when for example the MBMS session began, perhaps the change of interested UE number in the sub-district in the process was carried out in the MBMS session.502 RNC are according to the number of UE in the sub-district, and the transmission mode in the decision sub-district is PTP or PTM.If the transmission mode of decision sub-district is PTP, 503 RNC are according to the RAB sign of the UE of MBMS RAB information in the MBMS context and this professional correspondence, for each UE in the sub-district (UE that comprises PMM IDLE, CMM CONNECTED state) sets up the radio bearer of PTP, RNC sends " RB foundations " message to UE.After RNC receives " RB set up finish " message next from UE, just can send the MBMS business by the radio bearer of setting up.
RNC provides the MBMS business to PMM IDLE in the PTP mode in corresponding this invention, the method of the UE of CMMCONNECTED state, in the service ending of UE in circuit domain, RNC checks the contextual information of UE, if the RB (being that the MBMS session does not finish) of UE foundation is for this reason arranged, RNC does not just discharge the Radio Resource that is used for this UE and connects (hereinafter to be referred as the RRC connection).
Embodiment
Fig. 6 provides the method for MBMS business to UE, the operating process of SGSN for what corresponding the present invention proposed in the PTP mode.
601 SGSN receive message.If 602 SGSN receive next " the uplink information exchange request information request MBMS information; 603 SGSN are according to types of tissue " the uplink information exchange response " message of RNC request message; if request is the MBMS business of UE adding; be to comprise " permanent Non-Access Stratum UE sign " in the request message, SGSN is included in the response message from RNC to " the MBMS service identification and the RAB identification list " of the MBMS business that this UE adds.604 SGSN send " uplink information exchange response " message and give RNC.
Fig. 7 provides the method for MBMS business to UE, the operating process of RNC for what corresponding the present invention proposed in the PTP mode.
701 RNC receive message.
If 702 PNC receive next " initial direct transfer " message from UE, RNC is checked through when comprising " MBMS adds sign " in " initial direct transfer " message, 703 RNC send that " uplink information exchange request information is given SGSN; RNC is provided with that the solicited message type is the MBMS business that UE adds in the message, promptly comprises " permanent Non-Access Stratum UE sign " in the request message.
If 704 RNC receive next " uplink information exchange response " message from SGSN, 705 RNC preserve information requested, as information requested is the MBMS business that UE adds, then preserve " MBMS service identification and RAB identification list " in the response message in the relevant context of MBMS, as MBMS context and MBMS UE context.
If 706 RNC receive next " MBMS session " message from SGSN, the transmission mode of each sub-district of 707 RNC decision in this MBMS business service district is PTP or PTM, if 708 transmission modes are PTP, 709 RNC send " RB foundation " message and give interested UE (UE that comprises PMMIDLE, CMM CONNECTED state).If transmission mode is PTM, the operating process of RNC is with existing identical.Here ignored some irrelevant steps of invention therewith, as the counting process in each sub-district, the process of SGSN etc. is given in RNC transmission " the MBMS session begins response ".
Here be to be that example illustrates that RNC is that the UE of PMM IDLE, CMMCONNECTED state sets up the method for RB when beginning with the MBMS session.In fact carry out in the process in the MBMS session, because the change of interested UE number in the sub-district, decision through bearing mode, when determining the transmission means of this sub-district to be PTP, equally, RNC sends " RB foundation " message and gives interested UE (UE that comprises PMM IDLE, CMM CONNECTED state).
If 710 RNC receive next " RB sets up and finishes " message from UE, 711 if be the professional PTP carrying of setting up of MBMS, and the radio bearer that 712 RNC pass through to set up sends the MBMS data to UE.
Claims (5)
1. method that multimedia broadcasting and multicast service are provided comprises step:
When the UE of PMM IDLE state entered CMM CONNECTED state, UE sent " initial direct transfer " message and gives radio network controller (RNC), comprises " MBMS adds sign " in the message;
" uplink information exchange request information is given SGSN, the MBMS service lists of asking described UE to add in described radio network controller (RNC) transmission;
Described SGSN sends " uplink information exchange response " message and gives described RNC, comprises the MBMS service identification of UE adding and the wireless access bearing sign tabulation of the corresponding described MBMS business of UE in the message;
RNC preserves described MBM service identification and wireless access bearing sign and tabulates in the relevant context of MBMS;
RNC determines that the transmission mode of certain sub-district is point-to-point PTP;
RNC is according to the RAB sign of corresponding this MBMS business of the RAB parameter in the MBMS context and UE, in the sub-district each set up the PTP carrying to the professional interested UE of this MBMS;
RNC sends " RB foundation " message and gives UE.
2. by the described method of claim 1, it is characterized in that describedly " comprising " permanent Non-Access Stratum UE sign " in the uplink information exchange request information.
3. by claim 1 or 2 described methods, it is characterized in that described each the professional interested UE of this MBMS is comprised the UE of PMM-IDLE, CMM CONNECTED state.
4. by claim 1 or 2 described methods, it is characterized in that also comprising step:
RNC receives from UE next " RB sets up and finishes message ";
If this RB sets up for MBMS is professional, RNC sends the MBMS data to UE by the radio bearer of having set up.
5. by claim 1 or 2 described methods, it is characterized in that when the service ending of UE in circuit domain, if there is the radio bearer that is used for the MBMS business, then RNC preserves the unlimited resources management and connects and do not discharge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200510062481A CN1842209B (en) | 2005-03-29 | 2005-03-29 | Method for providing MBMS service |
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| CN200510062481A CN1842209B (en) | 2005-03-29 | 2005-03-29 | Method for providing MBMS service |
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| CN1842209B true CN1842209B (en) | 2010-05-12 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101163026B (en) * | 2006-10-13 | 2011-04-20 | 中兴通讯股份有限公司 | Method of implementing wireless network controller to obtain wireless access bearing sign |
| CN101267579A (en) * | 2007-03-13 | 2008-09-17 | 华为技术有限公司 | Processing method, device and system for direct transfer message |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1286557A2 (en) * | 2001-08-22 | 2003-02-26 | Lucent Technologies Inc. | A method of sending a multicast massage to mobile stations and a radio telecommunications network |
| CN1499760A (en) * | 2002-11-05 | 2004-05-26 | ��������ͨ�ż����о�����˾ | Method for supporting services in multimedia broadcast and multicast by carrying connection through signaling in Lu interface |
| CN1507190A (en) * | 2002-12-12 | 2004-06-23 | 北京三星通信技术研究有限公司 | Solution for idle mode UE motion in non-tracking area |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1286557A2 (en) * | 2001-08-22 | 2003-02-26 | Lucent Technologies Inc. | A method of sending a multicast massage to mobile stations and a radio telecommunications network |
| CN1499760A (en) * | 2002-11-05 | 2004-05-26 | ��������ͨ�ż����о�����˾ | Method for supporting services in multimedia broadcast and multicast by carrying connection through signaling in Lu interface |
| CN1507190A (en) * | 2002-12-12 | 2004-06-23 | 北京三星通信技术研究有限公司 | Solution for idle mode UE motion in non-tracking area |
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