CN1581986A - Method for descriminating MBMS business request from other business requests - Google Patents
Method for descriminating MBMS business request from other business requests Download PDFInfo
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- CN1581986A CN1581986A CN 03127431 CN03127431A CN1581986A CN 1581986 A CN1581986 A CN 1581986A CN 03127431 CN03127431 CN 03127431 CN 03127431 A CN03127431 A CN 03127431A CN 1581986 A CN1581986 A CN 1581986A
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Abstract
The method includes steps: RNC sends message to UE to indicate that UE needs RRC connection; UE sends message to SGSN to indicate that the service is MBMS or dedicated service; based on different service types, SGSN sends different messages to RNC. The invention let SGSN distinguish requests of operations caused by different services. Thus, different operations are adopted for different requests of service. The distinguished operations let SGSN send different signaling to RNC. RNC can make statistics of number of user precisely and can prevent waste of wireless resources.
Description
Technical field
The present invention relates to 3-G (Generation Three mobile communication system), particularly SGSN distinguishes the method for MBMS service request and other service request.
Background technology
MBMS is formulating relevant criterion for it to carry out a standardized new business in the 3-G (Generation Three mobile communication system) partner program.The MBMS business is a kind of unidirectional point to the business of multipoint system (promptly broadcasting out multi-medium data from single data source is sent to a plurality of users through Network Transmission and receives).The maximum characteristics of this business are that it can effectively utilize Radio Resource and Internet resources.The MBMS business is mainly used in the wireless communication network system, as Wideband Code Division Multiple Access (WCDMA) communication system, and global system for mobile communications etc.The transmission of business datum will be passed through basically among the MBMS: transmission in data source transmission, go-between transmission, the purpose cell null, user receive such plurality of processes.Fig. 3 is a wireless communication system logical network equipment drawing that the MBMS business can be provided, and in fact MBMS has utilized general grouped wireless data service (hereinafter to be referred as GPRS) network as core transport network in the figure.As shown in Figure 3, broadcasting and multicast service center (hereinafter to be referred as BM-SC) are the data sources that sends the MBMS business datum; Gateway GPRS Support Node (hereinafter to be referred as GGSN) is used for being connected of GRPS network and external network (as the INTERNET network); Gateway GPRS Support Node connects BM-SC and the MBMS data is sent to specific Serving GPRS Support Node (hereinafter to be referred as SGSN) in the MBMS business; CBC is the data source of Cell Broadcast CB, by with CBC and BM-SC interconnection, makes CBC that MBMS can be provided professional declaration function in MBMS; SGSN is used for that UE is carried out access control and mobile management and simultaneously the MBMS data of coming from GGSN is sent to specific radio-cell controller (hereinafter to be referred as RNC); RNC is used for controlling one group of base station and multi-medium data is sent to specific base stations; Aerial physical channel is set up for the MBMS business of certain sub-district in the base station under the control of RNC; Subscriber terminal equipment (hereinafter to be referred as UE) is the terminal equipment that receives the MBMS data.
Provided the MBMS business among Fig. 4 and be established to all processes that end user is left from business declaration, user's adding, service announcements, radio bearer.
401 subscribe to the contact of setting up between user and the service provider, and authorized user can receive relevant MBMS service.
The MBMS business that 402 professional declarations notify the user to provide.For example, system in the afternoon 7:00 relay a football match in areas of Beijing.
403 add the expression users adds a group, promptly the user tell network he or she be ready to receive this multicast service.
The 404MBMS session begins to represent that being established as the MBMS transfer of data sets up Internet resources.
The 405MBMS notice is informed the MBMS transfer of data that the user will carry out at once.
406 data transfer representation MBMS business data transmission are to user's process.
The 407MBMS conversation end is represented after the MBMS business data transmission is finished, releasing network resources.
408 leave and add correspondingly with 403, and the expression user will leave a group, does not promptly rethink to receive certain professional data.
In the WCDMA system, when system provides legacy packets professional for subscriber equipment, require each UE all to enter the PMM_CONNECTED connection status.This state means between UE and the UTRAN has radio resource control RRC to be connected, and has signaling to be connected between UE and the SGSN.To belong to the Non-Access Stratum signaling be the NAS signaling to interactive signaling between UE and the SGSN.This signaling is transparent to RNC, promptly RNC and be indifferent to UE and SGSN between the content of pass-along message.When UE will enter the PMM_CONNECTED state and when setting up signaling and connecting, UE is a service request to the essential message that SGSN sends, this message by PMM_IDLE idle condition UE be used for setting up with SGSN between signaling be connected, and the purpose of telling SGSN to send this message is to transmit up signaling message, and upstream data is still initiated the response of paging to CN.If the type of service in the service request is a signaling, so after signaling exchange is finished, SGSN can discharge RNC and be connected with signaling between the SGSN; If the type of service in the service request is data, SGSN can set up RAB RAB for the business that is in state of activation so, thereby is established as the radio bearer RB that this business transmits data; If the type of service in the service request is a page response, SGSN itself knows that this page response is at transfer of data or Signalling exchange, thereby makes correct processing, sends relevant signaling to subscriber equipment and still sets up RAB.When providing MBMS professional in WCDMA, owing to use the number of users of MBMS very big, if all users that listen to the MBMS business are in the PMM_CONNECTED state, so aloft the Radio Resource that expends of interface may be a lot, and can cause waste.Therefore take a part of subscriber equipment to be in the PMM_CONNECTED state among the UTRAN now, a part of in addition subscriber equipment is in the mode of PMM_IDLE state, and the radio-cell controller (RNC) is only added up the number of users that is in the PMM_CONNECTED state that comprises in the sub-district under its control.Subscriber equipment is in the PMM_CONNECTED state, can be because subscriber equipment in other proprietary business of reception, also can be only to be in connection mode for MBMS carries out the number of users statistics.When the number of finding in certain sub-district to receive the subscriber equipment of MBMS as RNC is lower than point-to-point and puts conversion critical value between the multiple spot, RNC can add up the number of users under this sub-district again, is receiving the MBMS data in case be in the subscriber equipment of idle condition under this sub-district in addition.This process can be with reference to figure 5.501 expression RNC receive that from SGSN " session begins indication ", expression MBMS session begins, and comprises service identification in this message usually, the service parameter that QoS parameter etc. are relevant with this business.RNC adds up and subscribes to this professional number of user equipment in each sub-district, this process is necessary when session begins, and in conversation procedure, if number of users is lower than point-to-point channel and the critical value of putting the multidrop channel conversion, RNC also will begin to add up the process of number of users so.This process lasts till 512 from 502.If RNC finds number of users subcritical value, so RNC in the sub-district the subscriber equipment that is in idle condition or might comprise that also the subscriber equipment that is in CELL_PCH and URA_PCH sends " MBMS notice ", comprise notice reason (the called calling of MBMS) in this message, access probability, parameters such as service identification.After the subscriber equipment of idle condition is received this message, set up earlier with RNC between RRC be connected.504-506UE set up with RNC between RRC is connected, this with existing standard in the process basically identical described, unique difference may be the reason difference of RRC connection foundation.This reason possibility " the called calling of MBMS ".The NAS layer of UE sends " service request " to SGSN, and this business request information is included in 507RRC message " initial directly transmission " and the 508Iu signaling " initial UE message " and passes to SGSN's.After SGSN receives this message, just send 509 " MBMS UE connection requests " to RNC, all MBMS service identifications that this UE is subscribed to pass to RNC.RNC returns 510 " MBMS UE connection response " to SGSN.511RNC adds this UE sign in each business contexts of sub-district, UE place to.512RNC adds up each professional number of users of each sub-district.So far, RNC statistics number of users process finishes.Pass in the business request information of SGSN at UE, if the type of service in the service request is data, then SGSN will set up RAB for the PDP Context that has activated, thereby carries out resource allocation at Iu and Uu interface for the transmission data.In MBMS statistics user procedures, when UE receives RNC " MBMS notice ", if this message shows that will carry out number of users adds up, then UE will enter connection mode.Idle UE will send business request information to SGSN, thereby enters connection mode.If the type of service in the service request also is data at this moment, so according to prior art, SGSN will set up RAB for the PDP Context that has activated.But this service request is at the MBMS business in fact, and UE does not ask the transfer of data of proprietary business.This shows that this can cause the faulty operation of SGSN.Therefore, for fear of the faulty operation of SGSN, we increase a new type of service at suggestion in service request: the MBMS business.
Summary of the invention
The method that the purpose of this invention is to provide a kind of MBMS of differentiation service request and other service request, in service request, increase a type of service: the MBMS business at MBMS, thereby the service request that can distinguish the subscriber equipment transmission only is at the MBMS business, still at dedicated service, still professional and dedicated service at MBMS.
For achieving the above object, a kind of method of distinguishing MBMS service request and the request of user's dedicated service comprises step:
RNC sends message to UE, and indicating UE needs RRC to connect;
UE sends out message and gives SGSN, indicates MBMS business or dedicated service;
SGSN sends different message according to different types of service to RNC.
The present invention has provided the method for the dedicated service request of a kind of MBMS of differentiation service request and UE.By this method, can make SGSN distinguish different business, thereby carry out different processing procedures, avoid setting up unnecessary user plane, cause the waste of resource.
Description of drawings
Fig. 1 is professional and other dedicated service differentiation flow process of MBMS;
Fig. 2 is the behavior of UE node action;
Fig. 3 is a MBMS system configuration schematic diagram;
Fig. 4 is a MBMS multicast service flow process;
Fig. 5 is a number of users statistic processes flow chart;
Fig. 6 is the behavior of SGSN node action.
Embodiment
Below, describe the correct example of the present invention in detail with reference to additional figure.Below only describe understanding the necessary part of this explanation, to understand in order giving top priority to what is the most important and to omit to some extent other part.What Fig. 2 described is service request process between MBMS subscriber equipment and the SGSN.
Among above-mentioned Fig. 1 101, SGSN notifies RNC at first in the MBMS session, comprises service identification in this message, QoS parameter, user plane information.If the sub-district under this RNC control has the subscriber equipment that is in PMM_IDLE, also comprise notification area in this message so, RNC will send the MBMS notice in this notification area corresponding district.
Among above-mentioned Fig. 1 102 is in the number of user equipment of connection mode in RNC statistics each sub-district at this service.If number of users greater than point-to-point with put the critical value of multidrop channel, RNC according to the indication of SGSN to all or some sub-district send " MBMS notice ", and indicate and do not need to add up number of users, idle UE does not need to enter connection mode.If the number of users of some sub-district is less than or equal to point-to-point and the critical value of putting multidrop channel, RNC sends " MBMS notice " according to the indication of SGSN to whole or some sub-district, and indicating needs statistics number of users, the part idle UE need enter connection mode.
Among above-mentioned Fig. 1 103, RNC sends " MBMS notice " according to the sub-district of indication under its control of SGSN.According to whether needs are added up number of users, be true or false and " RRC connects needs sign " is set.Also comprise service identification in this MBMS notice, notice reason, access probability.Notify former because " called MBMS calls out ".Carry out in the process in business, RNC is broadcast channel type in the sub-district periodically.When idle UE moves to this sub-district, if channel type for point-to-point or this sub-district at all not for this business provides radio bearer, the RRC of UE will give this report information high-rise.
Among above-mentioned Fig. 1 104, the rrc layer of UE receive " MBMS notice " message, will notify reason and service identification to be submitted to high level, and the notice high level has the MBMS business datum to arrive.Need RRC to connect if this message indicates, promptly " RRC connects needs sign " is true, and rrc layer is after the access probability of being correlated with calculates, if allow this UE to enter connection status, then notice is high-rise, and the signaling connection is designated as true.This process can realize with high-rise primitive by RRC.High-rise MBMS service identification notified in this primitive, and the notice reason is connected indication with signaling.If UE learns that 103 channel type is point-to-point in the sub-district, perhaps this sub-district does not have for this business provides radio bearer at all, and the RRC of UE will report to high level so.Comprise service identification in the primitive of report, the signaling connection is designated as true.
Among above-mentioned Fig. 1 105, high-rise this MBMS of information processing that transmits according to RRC calls out.High level gets up MBMS service identification and corresponding M BMS contextual relation.Need RRC to connect if signaling connects the indication expression, so high-risely inform rrc layer, set up RRC and connect, and " service request " message is included between the levels primitive passes to RRC by primitive.Otherwise high level does not need to indicate RRC to carry out any operation.What the type of service in this service request indicated in this case should be " MBMS business ".
Among above-mentioned Fig. 1 106 to 108, RRC set up RRC according to the high level indication and connect, and the reason of setting up the RRC connection is: the called calling of MBMS.RNC other the operation with have standard now in stipulate the same.
Among above-mentioned Fig. 1 109 and 110, the RRC of UE is after setting up the RRC connection, and the message " service request " that high level is given passes to SGSN.This process was finished by two steps: 109UE is submitted to RNC with this message by RRC signaling " initial directly transmission "; 110RNC passes to SGSN with this message by Iu signaling " initial UE message ".
Among above-mentioned Fig. 1 111 after SGSN receives 110, finds that the type of service of service request is " a MBMS business ", the MBMS business that this UE that preserves in the SGSN inspection UE context has added.SGSN sends " MBMS UE connection request " message to RNC, the MBMS service identification that this UE of notice RNC adds.The MBMS service identification can be IP multicast address and APN, also can be Temporary Mobile Group Identity TMGI.
Among above-mentioned Fig. 1 112, RNC acknowledges receipt of " MBMS UE connection request " message to SGSN, and returns " MBMS UE connection response " message.
Among above-mentioned Fig. 1 113, RNC joins this UE sign in the context of respective cell and business.
Among above-mentioned Fig. 1 114, each professional number of users in the RNC statistics sub-district arrives multiple spot so that the decision channel type is point-to-point or point.When since 102 to 114 these processes not necessarily only occur in session.In conversation procedure, if finding number of users, RNC is lower than point-to-point and the critical value of putting the multidrop channel conversion, RNC can initiate to add up the process of number of users." MBMS notice " comprises service identification in this moment 103, and RRC connects needs indication (being set to true).Move to a new sub-district if be in the UE of idle condition, find that this sub-district is a point to point system less than the radio bearer that provides radio bearer for its MBMS business that is receiving or provide, this UE also will carry out from 105 to 109 process so.That is to say that this signaling process also is adapted to the mobile management of idle UE.
Among above-mentioned Fig. 1 115, the high level decision of UE will receive the dedicated service of packet domain, and this moment, UE was in idle condition.High-rise notice rrc layer is set up RRC and is connected, and NAS message " service request " is sent to SGSN.Type of service in this service request is set to " data ".
Among above-mentioned Fig. 1 116 to 118, RRC set up RRC according to the high level indication and connect, and the reason of setting up the RRC connection is existing cause value.RNC other the operation with have standard now in stipulate the same.
Among above-mentioned Fig. 1 119 and 120, the RRC of UE is after setting up the RRC connection, and the message " service request " that high level is given passes to SGSN.This process was finished by two steps: 119UE is submitted to RNC with this message by RRC signaling " initial directly transmission "; 120RNC passes to SGSN with this message by Iu signaling " initial UE message ".
Among above-mentioned Fig. 1 121, SGSN find that the type of service of UE request is data, and it will check the MM context of UE so, and the PDP that sees which business is a state of activation.SGSN sets up RAB for these business.SGSN sends " RAB request for allocation " message to RNC and gives RNC, wherein supports this professional parameter such as QoS parameter except that comprising, and also comprises the MBMS service identification tabulation that UE has added.
Among above-mentioned Fig. 1 122, RNC returns " RAB assignment response " to SGSN, sets up its Iu user plane, for this business provides data transmission channel.
Among above-mentioned Fig. 1 123, RNC joins this UE sign in the context of respective cell and business.
Among above-mentioned Fig. 1 124, each professional number of users in the RNC statistics sub-district arrives multiple spot so that the decision channel type is point-to-point or point.Since 115 to 124 process can occur in before the session, also can occur in session and carry out in the process.
Embodiment
1) the node processing flow process of UE
What Fig. 2 described is the node processing flow process of UE.201 stages represented that UE received message from the RNC side joint.202 stages judged whether the message that UE receives is " MBMS notice ", if then turn to 203, otherwise turns to 201.In 203 stages, the rrc layer of UE is submitted service identification and the notice reason that is obtained by " MBMS notice " message to high level.If " RRC connects needs sign " in this message, for true, then the signaling connection identifier was true.Otherwise the signaling connection identifier is for denying.The rrc layer of UE connects indication by the signaling in the primitive, tells high level whether will set up signaling and connects.If the channel type that the RRC of UE knows Target cell provides radio bearer for the MBMS business that point-to-point or Target cell are not receiving for UE at all, the RRC of UE tells high level need set up the signaling connection by primitive so, i.e. signaling connection is designated as true.In 204 stages, high level need to judge whether signaling to connect, if need, then turns to 205, otherwise turns to 207.In 205 stages, high-rise indication rrc layer is set up RRC and is connected, and turns to 206.In 206 stages, UE sends message " service request " to SGSN, and the type of service in this message is " a MBMS business ".In 207 stages, high level is not done further operation.In 208 stages, judge whether the message of receiving is " indication of MBMS channel type ", if then turn to 209, otherwise turns to 210.In 209 stages, judge whether the channel type of Target cell is point-to-point, if then turn to 203, otherwise turn to 201.In 210 stages,, turn to 203 so if the MBMS business that Target cell is not receiving for UE provides radio bearer at all.
2) the node processing flow process of SGSN
Fig. 6 is the node action behavior of SGSN.
601 phase identification SGSN receive message from the UE side joint.
602 stages judged whether the message that SGSN receives is " service request ", if then turn to 603, otherwise turns to 601.
603 stages judged that whether type of service is " MBMS business ", if then turn to 604, otherwise turned to 605.
In 604 stages, SGSN checks its UE context, sends " MBMS UE connection request " message to RNC, wherein comprises the MBMS service identification that UE has added.
In 605 stages, SGSN checks the UE context, for the PDP that is in state of activation sets up RAB.
SGSN sends " RAB request for allocation " message to RNC, wherein except that the mass parameter of carrying the parameter of setting up user plane and this service, also carries the MBMS service identification that UE has added.
Claims (4)
1, a kind of method of distinguishing MBMS service request and the request of user's dedicated service, this method may further comprise the steps:
RNC sends message to UE, and indicating UE needs RRC to connect;
UE sends out message and gives SGSN, indicates MBMS business or dedicated service;
SGSN sends different message according to different types of service to RNC.
2, method according to claim 1 is characterized in that: the type of service that described UE issues in " service request " of SGSN is " a MBMS business ".
3, method according to claim 1 is characterized in that: the rrc layer of UE sends indication to its high-rise NAS layer.
4, method according to claim 3 is characterized in that: described indication notifying MBMS service sign, and the notice reason, signaling connects indication.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031274315A CN100409698C (en) | 2003-08-06 | 2003-08-06 | Method for descriminating MBMS business request from other business requests |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB031274315A CN100409698C (en) | 2003-08-06 | 2003-08-06 | Method for descriminating MBMS business request from other business requests |
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| CN1581986A true CN1581986A (en) | 2005-02-16 |
| CN100409698C CN100409698C (en) | 2008-08-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100461954C (en) * | 2006-01-12 | 2009-02-11 | 华为技术有限公司 | Hollow bearing establishing method and system |
| CN101379839B (en) * | 2006-02-03 | 2012-09-05 | 摩托罗拉移动公司 | Distributed architecture and methods for broadcast/multicast service |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3704003B2 (en) * | 1999-08-16 | 2005-10-05 | 株式会社東芝 | Radio base station apparatus, radio terminal apparatus, and information communication method |
| JP4575663B2 (en) * | 2001-08-29 | 2010-11-04 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | Method and apparatus for performing multicast communication in a UMTS network |
| KR100464351B1 (en) * | 2001-10-20 | 2005-01-03 | 삼성전자주식회사 | Apparatus and method for paging scheme with additional carrie for multimedia broadcasting and multicasting service in w-cdma communication system |
-
2003
- 2003-08-06 CN CNB031274315A patent/CN100409698C/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100461954C (en) * | 2006-01-12 | 2009-02-11 | 华为技术有限公司 | Hollow bearing establishing method and system |
| CN101379839B (en) * | 2006-02-03 | 2012-09-05 | 摩托罗拉移动公司 | Distributed architecture and methods for broadcast/multicast service |
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| CN100409698C (en) | 2008-08-06 |
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