CN1968451B - Method and system for determining to use multicast/broadcast service time - Google Patents
Method and system for determining to use multicast/broadcast service time Download PDFInfo
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- CN1968451B CN1968451B CN2006101403077A CN200610140307A CN1968451B CN 1968451 B CN1968451 B CN 1968451B CN 2006101403077 A CN2006101403077 A CN 2006101403077A CN 200610140307 A CN200610140307 A CN 200610140307A CN 1968451 B CN1968451 B CN 1968451B
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Abstract
The invention relates to a method for confirming the time of multicast/broadcast MBMS service, wherein said method comprises: when user terminal adds and leaves MBMS service, network controller sends message with user terminal mark and MBMS service mark to the broadcast multicast service center BM-SC; BM-SC based on received message confirms the times that user terminal adds and leaves the service mark, and uses the time difference as the MBMS service time. The invention also discloses a relative system, which comprises user terminal, network controller, and BM-SC.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of definite use multicast/broadcast business (MBMS, Multimedia Broadcast/Multicast Service) time method and system.
Background technology
Multicast/broadcast business (MBMS) is to transmit the business of data by what global standardsization organized that third generation partner plan (3GPP) proposes to a plurality of users by a data source.Broadcasting service is to point to the business that all users transmit data.Under broadcast mode, the user just need not register can receive broadcast data.Multicast service then is the business that transmits data separately to the user who has added multicast group.Usually, multicast group be one group to certain content users interest.Under multicast pattern, have only user just can receive multicast packet through registration.
By the business characteristic of MBMS as can be seen, MBMS can pass through a share transmission link, and identical data are sent to a plurality of users simultaneously, and effectively conserve network resources comprises core net and access network resources, especially air interface resource.
MBMS can be based on Wideband Code Division Multiple Access (WCDMA) (WCDMA, Wideband Code Division MultipleAccess)/global system for mobile communications (GSM, Global System for Mobile communication) Packet Based Network realizes, by increasing some new functional entitys such as broadcast multicast service center (BM-SC:Broadcast Multicast Service Centre), and to existing packet domain functional entity such as GPRS serving GPRS support node (SGSN, Serving GPRS Supporting Node), GGSN (GGSN, Gateway GPRS Supporting Node), Universal Terrestrial Radio Access Network (UTRAN, UniversalTerrestril Radio Access Network) radio network controller (RNC in, Radio NetworkController) or GSM EDGE Radio Access Network (GERAN, GSM/EDGE Radio AccessNetwork) base station controller (BSC in, Base Station Controller) and subscriber equipment (UE, User Equipment) etc. increase the function of supporting MBMS, define new logic shared channel simultaneously and share to realize interface-free resources.The schematic network structure of MBMS as shown in Figure 1.
BM-SC160 is the mobile network functional entity that increases newly, is content provider's inlet, be used for authorizing and initiate the MBMS bearer service in core net, and plan transmits the MBMS content on schedule.Its function comprises: (1) is to authentication, mandate and the charging of third party content supplier; (2) provide MBMS transmission relevant parameter, as QoS, multicast and broadcast zone; Initiate and stop the MBMS transfer resource; (3) receive and transmit the MBMS content from external data source, arrange the MBMS session to transmit and inform user, session re-transmission etc.; (4) service statement comprises media description, conversation description such as multicast service identifier, address, delivery time etc.
BM-SC160 is connected communication with GGSN150, GGSN150 sets up or the release user plane bearer for the transmission of broadcasting or multicast service according to the notice request of BM-SC160 as the IP multicast service node of MBMS data; Receive the IP multicast content that BM-SC160 sends, in addition, also have functions such as message informing, metering data mobile phone and QoS (QoS) negotiation.
SGSN140 is used for the user is carried out network control, supports MBMS user's moving between SGSN, carries out the multicast service charging, comprises back paying and prepaid user, and sets up or release Iu and Gn carrying according to the notice that GGSN150 sends.
UTRAN120 in the system configuration of WCDMA is made up of one or more RNSs (RNS, Radio Network System).A RNS is made up of a RNC121 and one or more base station 122 (Node B).GERAN130 in the system configuration of GSM is made up of one or more base station sub-systems (BSS, Base Station System).A BSS is made up of a BSC131 and one or more base transceiver station 132 (BTS, Base Transceiver Station).
Wherein RNC121/BSC131 transmits the MBMS data at predetermined multicast or broadcast service zone; Under multicast pattern, select suitable radio bearer according to current service number of users and usable radio resources in the sub-district, promptly select shared channel or dedicated channel to realize that point is to multiple spot (P-T-M, Point-to-Multipoint) or point-to-point (P-T-P, data mode Point-to-Point); Support core net to initiate and stop MBMS to transmit; Support MBMS user's moving between RNC; Support MBMS transmission service statement, paging information, MBMS concurrent service, carry out audio call and messaging service in the time of as reception MBMS video content.
UE110 supports to add/leave (join/leave) MBMS business; The MBMS safety related functions is as encrypting and consistency protection content; Receive MBMS service statement, paging information or support synchronous service; Whether decision ignores the MBMS session according to the MBMS session identification.UE has two kinds of basic operational modes: idle pulley and connection mode.The beginning that powers on, UE just rests on the idle IDLE state under the idle pulley, supports periodic location update mechanism.UE is under connection mode, one has 4 kinds of states, is respectively sub-district _ forward access channel (CELL_FACH) state, cell _ paging channel (CELL_PCH) state, user's registration _ paging channel (URA_PCH) state and CELL _ DCH (CELL_DCH) state.Wherein CELL_FACH, CELL_PCH state are supported periodic cell update mechanism; The support of URA_PCH state is UTRAN registration area (URA, UTRAN Registration Area) update mechanism periodically; The CELL_DCH state is supported the air interface synchronization mechanism.
At present, the workflow of MBMS multicast comprises following eight stages:
1, the service statement stage: the essential information that the MBMS business that is about to transmission is provided to UE.
2, registration phase: set up the contact between UE and the MBMS service supplier.
3, UE adds the stage: based on the business information that the service statement stage provides, UE becomes the multicast member of a MBMS business by the operation in this stage.After UE added, UE need pay for the MBMS that receives is professional, so this stages operating needs to carry out authentication between UE and the MBMS service supplier.
4, session incipient stage: UTRAN is a MBMS traffic assignments resource, sets up service bearer, and BM-SC is ready for sending the MBMS business.
5, MBMS notification phase: notice UE carries out the preparation that receives the MBMS business.
6, data transfer phase: the MBMS business sends to UE.Under multicast pattern, the data of MBMS business are encrypted.
7, the professional transmission of conversation end stage: MBMS finished, and discharges and transmits the resource that the MBMS business is distributed.
8, UE leaves the stage: the registration of UE cancellation multicast service no longer receives this multicast service.
Therefore, if core net will determine to use the time of MBMS business, under the standard multicast pattern, can realize according to adding/leave mechanism that UE supports, promptly note the time that user terminal adds this business in the UE adding stage, equally, note user terminal in the stage of leaving and leave this professional time, it adds the time of using this business with regard to the user who is with the time difference of leaving.
But, under the standard multicast pattern, the adding that UE supports/leave process need UE and core net is repeatedly finished alternately.With the adition process is example, and at first the service statement that provides according to core net of UE is initiated one to core net and added the session service request, and after the core net response, UE becomes a member of this MBMS business, the data that can receiving group send.The reciprocal process of UE and core net as shown in Figure 2.
Specifically with the explanation of the situation of UTRAN, under the standard multicast pattern, core net determines that the UE joining day need carry out following steps:
Step 201:UE is by carrying out the PDP context activation interacting message between UTRAN and the SGSN.
Step 202:UE sends to GGSN by UTRAN and SGSN and adds IGMP (IMGP) request.
Step 203:GGSN sends the MBMS authentication request to BM-SC.
Step 204:BM-SC sends the MBMS Authentication Response to GGSN.
Step 205:GGSN sends the MBMS notice request to SGSN.
Step 206:SGSN sends to UE by UTRAN and activates the MBMS context request.
Step 207:UE sends request MBMS context activation request message by UTRAN to SGSN.
Step 208:SGSN sends the MBMS push-notification-answer to GGSN.
Step 209:UE is by realizing safety function between UTRAN and the SGSN.
Step 210:SGSN sends to GGSN and creates the MBMS context request.
Step 211:GGSN sends the MBMS authentication request to BM-SC.
Step 212:BM-SC sends the MBMS Authentication Response to GGSN.
Step 213:GGSN sends register requirement to BM-SC.
BM-SC will receive the time of the time point of MBMS register requirement as UE adding MBMS business.
Step 214:BM-SC sends MBMS registration response to GGSN.
Step 215:GGSN sends to SGSN and creates the MBMS context response.
Step 216:SGSN sends the MBMS register requirement to GGSN.
Step 217:GGSN sends MBMS registration response to SGSN.
Step 218:SGSN sends to UE and accepts the MBMS context activation.
Equally, when user terminal leaves, UE will initiate one to network equally and leave conversation request, finish this MBMS business, thereby, need repeatedly finish the process of leaving alternately by UE and core net equally, the time point that BM-SC will receive the request of MBMS cancel register leaves the time of MBMS business as UE, and can determine the time of using the MBMS business according to the time difference of UE adding with time departure.As can be seen, adopt the method for MBMS standard multicast, UE waits for that the response delay of core net is long, therefore brings the bigger access of UE/channel switch time delay.
The scheme of the another kind of MBMS of realization is that MBMS strengthens broadcasting scheme, its basic thought is to introduce UE counting (COUNTING) mechanism on MBMS broadcasting scheme basis, the radio bearer mode of MBMS is selected in realization flexibly according to number of users, promptly when the user of receiving multicast data in the sub-district is very few, can select point-to-point (P-T-P, Point-to-Point) radio bearer mode sends data, saves the power resource of system.
In this enhancing broadcasting scheme, the performance of wireless side RNC improves greatly, simultaneously because of mutual with core net, so UE access/channel change delay reduces greatly.But, in this enhancing broadcasting scheme, the process that user terminal adds/leaves is the same with broadcasting, do not need to register, add and leave the stage, user terminal only needs just to switch to correlated channels simply according to the service statement that core net provides and receives broadcast data, therefore, do not need to notify the adding of core net user terminal/leave.Core net can't be determined the service time of MBMS business, can't realize according to duration based accounting, also can't accurately grasp operation situations such as the development condition of business, user's program request duration, peak traffic times.Advertiser also can't obtain audience rating data accurately, and above defective all is quite disadvantageous to carrying out of business.
In sum, present technology can't be determined to use the MBMS business hours quickly and easily, is unfavorable for developing MBMS service.
Summary of the invention
In view of this, the embodiment of the invention provides the method for a kind of definite use MBMS business hours, can determine to use the time of MBMS business quickly and easily.
The embodiment of the invention provides the system of a kind of definite use MBMS business hours, can determine to use the time of MBMS business quickly and easily.
In order to reach above-mentioned first purpose, the technical scheme that the present invention proposes is: the professional MBMS time method of a kind of definite use multicast/broadcast, and this method comprises:
User terminal adds and leaves MBMS when professional, sends the message of carrying user terminal identification and MBMS service identification information that user terminal is sent by network controller to broadcast multicast service center BM-SC;
BM-SC is according to the message of carrying user terminal identification and MBMS service identification information that receives, the time of determining to have the user terminal adding of this user terminal identification respectively and leaving MBMS business, this user terminal is added and the time of the time difference of leaving this MBMS business as this MBMS business of use with this service identification.
In order to reach above-mentioned second purpose, the technical scheme that the present invention proposes is: the system of the time of the professional MBMS business of a kind of definite use multicast/broadcast, and this system comprises: user terminal, network controller and broadcast multicast service center BM-SC;
Described user terminal when being used for the user terminal adding and leaving the MBMS business, sends by network controller the message of carrying user terminal identification and MBMS service identification information to broadcast multicast service center BM-SC;
Described network controller, the forwards of carrying user terminal identification and MBMS service identification information that is used for user terminal is sent is given BM-SC;
Described BM-SC, be used for according to the message of carrying user terminal identification and MBMS service identification information that receives, the time of determining to have the user terminal adding of this user terminal identification respectively and leaving MBMS business with this service identification, and with this user terminal adding and the time of the time difference of leaving as this MBMS business of use.
By the technical scheme of the embodiment of the invention as seen, network controller is transmitted the message of carrying user terminal identification and MBMS service identification information that user terminal is sent to BM-SC, determine respectively to have the user terminal adding of this user terminal identification and leave the time of MBMS business and the time of using this MBMS business by BM-SC, can determine quickly and easily to use the MBMS business hours with this service identification.
Description of drawings
Fig. 1 is the schematic network structure of prior art MBMS;
Fig. 2 adds or leaves the process schematic diagram of the professional multicast group of MBMS for prior art UE;
Fig. 3 adds the process flow diagram that the MBMS business is set up the P-T-P carrying simultaneously for the first embodiment of the invention user terminal;
Fig. 4 adds the process flow diagram of MBMS business for the second embodiment of the invention user terminal;
Fig. 5 adds the professional process flow diagram that triggers to the P-T-M conversion of MBMS for the third embodiment of the invention user terminal;
Fig. 6 normally leaves the process flow diagram of MBMS business for UE under the four embodiment of the invention idle condition;
Fig. 7 is the keep-alive process flow diagram of UE under the fifth embodiment of the invention idle condition;
Fig. 8 is the keep-alive process flow diagram of UE under the sixth embodiment of the invention CELL_DCH state;
Fig. 9 is the system schematic of seventh embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, the embodiment of the invention is described in further detail below in conjunction with accompanying drawing.
The technical scheme of the embodiment of the invention is: user terminal adds and leaves MBMS when professional; send the message of carrying user terminal identification and MBMS service identification information respectively to BM-SC by network controller; BM-SC is according to the message of carrying user terminal identification and MBMS service identification information that receives; the time of determining to have the user terminal adding of this user terminal identification respectively and leaving MBMS business with this service identification; this user terminal is added and the time of the time difference of leaving as this MBMS business of use, and embodiments of the invention also comprise the keep-alive process of judging that can user terminal normally leave.
The embodiment of the invention only is RNC with the network controller, and user terminal is that the situation of UE describes.Under the different MBMS service conditions with existing enhancing broadcast mode, what UE added the MBMS business is example below, specifies the method for determining the joining day.
Embodiment one
When Fig. 3 sets up the P-T-P carrying simultaneously for first embodiment of the invention user terminal adding MBMS business, determine the flow chart of joining day.May further comprise the steps:
Step 301:UE adds the MBMS business.
Step 302:UE sends the RRC connection request to RNC, comprises the information that user terminal adds the MBMS business in the message.
In the present embodiment, wireless connections are not set up, therefore, UE sends the RRC connection request to RNC, comprise user terminal identification information in initial UE sign (Initial UE Identity) cell in the RRC connection request message, MBMS selects to comprise the MBMS service identification information in professional (MBMS Selected Services) cell, and the user terminal action identification information is included in the MBMS UE action cell in the RRC connection request message.Wherein, MBMS UE action (MBMS UE Action) cell tabulation definition is as shown in table 1:
| The cell name | Whether necessary | Type and reference value | The cell explanation |
| MBMS UE action | Be | {00， 01， 10， 11} | 00 representative is left 01 representative adding 10 and is represented attonity 11 to keep |
Suppose in the present embodiment, the weather forecast business of the set time section in the MBMS business that UE brings Selection In, then comprise this UE sign in the initial UE sign cell, MBMS selects to comprise in the professional cell this professional service identification, simultaneously, in the position of MBMS UE action cell correspondence, its cell value is 01, represents that this UE adds this MBMS business.
Step 303:RNC extracts user terminal identification and MBMS service identification information from the message of receiving.
In the present embodiment, RNC can obtain MBMS service identification information and the UE action identification information that the user selects from the RRC connection request that receives.
Step 304:RNC sends the RRC connection to UE and sets up message.
Step 305:UE is to RNC response RRC connection setup complete message.
UE is behind RNC response RRC connection setup complete message, and the MBMS business information reciprocal process between expression UE and the RNC finishes.To be undertaken reporting the MBMS business information alternately by RNC and core net below.
Step 306:RNC sends UE to BM-SC and adds the MBMS service message.
In the present embodiment, BM-SC is according to receiving UE sign, MBMS service identification and UE action identification, determine user and select to add the weather forecast business of the set time section in the MBMS business, and the time that will receive this message adds the time of this MBMS business as this UE with UE sign.
Step 307:RNC sends to UE and sets up radio bearer message.
In the present embodiment, MBMS is simultaneously professional in the user terminal adding, need set up the P-T-P carrying, so RNC notice UE foundation need be set up radio bearer.
Step 308:BM-SC sends UE to RNC and adds the response of MBMS service message.
Embodiment two
Fig. 4 is the another kind of process flow diagram of second embodiment of the invention user terminal adding MBMS business, and this moment, business did not begin as yet.At this moment, RNC is to reduce time delay after RRC connects foundation, can discharge RRC and connect.
Step 401:UE adds the MBMS business.
Step 402:UE sends the RRC connection request to RNC.
UE sends the RRC connection request to RNC, comprises user totem information in the initial UE sign cell in the RRC connection request message, and when UE added the MBMS business, MBMS selected to comprise in the professional cell this MBMS service identification information.
Step 403-step 405 is identical with step 303-step 305, does not give unnecessary details one by one here.
Step 406:RNC sends the message that comprises UE sign and MBMS service identification information to BM-SC.
The UE identification list and the MBMS service identification information thereof of MBMS business selected in the BM-SC storage, after BM-SC receives the message of UE sign and MBMS service identification information, the UE sign that at first whether comprises reception in the UE identification list of contrast storage, if do not comprise, the MBMS business that the business of the MBMS service identification that then all is had adds as this UE, and as adding these professional times, BM-SC adds the MBMS service identification information of this UE sign and selection to UE identification list and MBMS service identification state information list in the time of will receiving this message;
If comprise this UE sign, the service identification information that receives by contrast and the service identification information of storage can learn whether this UE adds this MBMS business again, when service identification by not having to having, determine that then UE adds this business, will receive the time point of this message as the joining day.When service identification by having to nothing, then, will receive the time point of this message as time departure for leaving this business.Service identification is constant then for being failure to actuate.In the embodiment of the invention, MBMS selects to comprise in the professional cell this MBMS service identification information, and this user's of storage service identification information represents then that for not having UE adds this MBMS business.
Step 407:RNC sends to UE and discharges the RRC connection message.
In the present embodiment,, thereby do not need to set up radio bearer, so RNC sends release RRC connection message to UE owing to business does not begin as yet.
Step 408:BM-SC sends UE to RNC and adds the response of MBMS service message.
If the user adds fashionable, using the P-T-M mode carrying, do not need to set up radio bearer equally, therefore, the step of execution is similar to the above embodiments.
Embodiment three
Fig. 5 adds the professional process flow diagram that triggers to the P-T-M conversion of MBMS for the third embodiment of the invention user terminal.
Step 501-step 503 is identical with step 401-step 403, does not give unnecessary details one by one here.
Step 504:RNC switches to P-T-M radio bearer mode.
In the present embodiment, carried out after the radio bearer mode selects according to current service number of users and usable radio resources in the sub-district by RNC, decision switches to P-T-M radio bearer mode by P-T-P.
Step 505-step 507 is identical with step 304-step 306.
Step 508:RNC sends to UE and discharges the RRC connection message.
In the embodiment of the invention, owing to adopt P-T-M radio bearer mode not need to set up radio bearer, so RNC sends release RRC connection message to UE.
Step 509:BM-SC sends UE to RNC and adds the response of MBMS service message.
By as can be seen to the embodiment of the invention one, two and three step analysis, UE is when adding the MBMS business, send the message that comprises user terminal identification and MBMS service identification information by RNC to BM-SC, therefore, core net can be determined the time that UE adds the MBMS business.
If with respect to the standard multicast business, then avoided the repeatedly reciprocal process between UE and the core net, solved UE access/channel and switched the delay problem that brings, system's time delay of introducing is less, therefore, can determine the time that UE adds the MBMS business quickly and easily.Below for determining the specific embodiment of UE time departure.
Fig. 6 is the process flow diagram that UE normally leaves the MBMS business under the 4th embodiment of the invention idle condition.
Step 601:UE leaves the MBMS business.
Step 602:UE sends the RRC connection request to RNC, comprises the information that user terminal leaves the MBMS business in the message.
Present embodiment adopts the mode of revising cell in the RRC connection request to realize, just comprise the UE identification information in the sign of the initial UE in the RRC connection request message cell, MBMS selects to comprise in the professional cell MBMS service identification information, and UE action identification information is included in the MBMS UE action cell in the RRC connection request message, and its value is made as 00.
Step 603:RNC extracts user terminal identification and MBMS service identification information from the message of receiving.
Step 604:RNC sends the RRC connection to UE and sets up message.
Step 605:UE is to RNC response RRC connection setup complete message.
Step 606:RNC sends UE to BM-SC and leaves the MBMS service message.
In the present embodiment, BM-SC is according to receiving UE sign, MBMS service identification and UE action identification, determine the user with UE sign and leave the MBMS business with this MBMS service identification, the time that BM-SC will receive this message is left the time of this MBMS business as this UE.
Step 607:RNC sends to UE and discharges the RRC connection message.
Step 608:BM-SC sends UE to RNC and leaves the response of MBMS service message.
In the present embodiment, BM-SC can leave the departure motion that the MBMS service message is determined UE according to UE, thereby obtains the time that UE leaves the MBMS business.BM-SC also can be according to store M BMS service identification information, the service identification information that receives by contrast and the service identification information of storage, when service identification by having to nothing, represent that then UE leaves this MBMS business, will receive the time point of this message as time departure.Determine to use this MBMS business hours according to adding with the time difference of leaving this MBMS business.
By above inventive embodiments as can be seen, use the MBMS business hours owing to can determine, embodiments of the invention can be realized the MBMS business by functions such as duration charging and statistics operation situations, thereby, can better get developing MBMS service.
When UE power down takes place, runs off abnormal conditions such as service area, can not carry out normal MBMS business and leave process this moment, at this situation, system need increase the keep-alive process, judges that can UE normally leave.Following mask body illustrates how to judge that can UE normally leave with the process of UE in different conditions realization keep-alive.
For the UE under the IDLE state; utilize its periodic location update mechanism; after business begins; UE initiates the RRC connection of periodic location update and sets up the MBMS business information that can have UE in the request message; this moment, RNC initiated the user's keep-alive process to BM-SC; if BM-SC can receive periodic keep-alive message; think that current UE is working properly; can normally leave; when continuing a position, BM-SC also do not receive keep-alive message after the update cycle; then think and can not normally leave the UE operation irregularity.Fig. 7 is the keep-alive process flow diagram of UE under the fifth embodiment of the invention IDLE state.
Step 701: periodic location update is initiated in the UE decision under the idle condition.
Step 702:UE connects the request of foundation to the RRC that RNC sends the periodic location registration, has the MBMS service identification information in the message.
In the present embodiment, the RRC that RNC can periodically receive the periodic location registration that UE sends connects the request of foundation, and then to judge the UE operation normal for RNC.
Step 703:RNC sends the professional keep-alive message of UE MBMS to BM-SC.
In the embodiment of the invention, BM-SC determines the user and can normally leave according to the periodicity keep-alive message that RNC sends.
Under the CELL_DCH state, utilize the synchronization mechanism of its air interface, carry out the keep-alive process.
Fig. 8 is the keep-alive process flow diagram of UE under the sixth embodiment of the invention CELL_DCH state.For the user under the CELL_DCH state, utilize the synchronization mechanism of its air interface, when air interface just often synchronously, think that the user is normal.
Step 801:UE is in the CELL_DCH state.
Air interface synchronizing process between step 802:UE and the Access Network.
Whether step 803:RNC is unusual by air interface connection judgment user, initiates the keep-alive process.
Can in the present embodiment, RNC initiates the keep-alive process, promptly by judging whether air interface is synchronous, judge UE and move normally.Suppose in the present embodiment, judge the UE operation irregularity, then do not send keep-alive message.
It is overtime that BM-SC judges the keep-alive message that RNC sends; determining the user can not normally leave; carry out abnormality processing; such as; BM-SC is determined that UE can not normally leave the time point of MBMS business or BM-SC is received the time point of keep-alive message last time as time departure; perhaps do not write down the adding of this user terminal and leave time of MBMS business, or other processing mode of selecting by operator.
For the UE of CELL_FACH, CELL_PCH, URA_PCH state, utilize its cyclic cell and periodicity URA update mechanism.When the user periodically updates just often, think that UE is normal.Here do not give unnecessary details one by one.
Present embodiment has further proposed the keepalive mechanism at abnormal user determining on the basis of using the MBMS business hours, helps the robustness and the stability of enhanced system.
Fig. 9 is the system schematic of seventh embodiment of the invention, comprises UE910, RNC920 and BM-SC930.
When user terminal added and leave the MBMS business, the message that UE910 will carry UE sign and MBMS service identification information sent to BM-SC930 by RNC920 respectively;
Then, RNC920 gives BM-SC930 with the forwards of carrying UE sign and MBMS service identification information that UE910 sends;
BM-SC930 is according to the message of carrying UE sign and MBMS service identification information that receives, the time of determining to have the UE910 adding of this UE sign and leaving MBMS business, UE910 is added and the time of the time difference of leaving as this MBMS business of use with this service identification.
Wherein, BM-SC930 can comprise memory cell 933, action judging unit 931 and time determining unit 932;
Memory cell 933 among the BM-SC930, the tabulation of the UE sign of storage selection MBMS business and the MBMS service identification information that UE selects;
Receive the message of UE sign and MBMS service identification information at BM-SC after, action judging unit 931 among the BM-SC930, UE sign and MBMS service identification information in the reading cells 933, the UE sign that whether comprises reception in the UE identification list of contrast storage earlier, if do not comprise, the MBMS business that the business of the MBMS service identification that then all is had adds as this UE, the UE that obtains having this UE sign adds the result that all have the MBMS business of service identification, and the result that will obtain is input to time determining unit 932, and the time point of the message of carrying UE sign and MBMS service identification information that will be received by time determining unit 932 among the BM-SC930 adds the time of this MBMS business as this user;
If comprise this UE sign, the service identification information that receives by contrast and the service identification information of storage again, can learn whether this UE adds this MBMS business, when service identification by not having to having, determine that then UE adds this business, the UE that obtains having this UE sign adds the result of the MBMS business with service identification, and the result that will obtain is input to time determining unit 932; When service identification by having to nothing, then for leaving this business, the UE that obtains having this UE sign leaves the result of the MBMS business with service identification, and the result that will obtain is input to time determining unit 932; Service identification is constant then for being failure to actuate, and does not export judged result.
Time determining unit 932 among the BM-SC930, result according to 931 inputs of action judging unit, the time point of the message of carrying UE sign and MBMS service identification information that receives as the time that this UE adds and leave this MBMS business, is added this UE and the time of the time difference of leaving this MBMS business as this MBMS business of use.
BM-SC also can include only action determining unit and time determining unit; At this moment, carry in the message of UE sign and MBMS service identification information and also comprise UE action identification information; In the present embodiment, action determining unit among the BM-SC930 can be carried UE sign, MBMS service identification information and UE identification information according to what receive, determine respectively to have the UE adding of this UE sign and leave MBMS business, the result who obtains is input to the time determining unit with this MBMS service identification; The time determining unit is identical with the above embodiments, repeats no more here.
Analysis from above embodiment, as can be seen, for strengthening broadcasting scheme, the embodiment of the invention can be transmitted the message of carrying user terminal identification and MBMS service identification information that user terminal is sent to BM-SC by network controller, the adding of notice core net user terminal/leave, thereby core net can be determined the service time of MBMS business.
For the standard multicast pattern, the embodiment of the invention can avoid user terminal with core net reciprocal process in wait for the long problem of response delay of core net, thereby significantly reduced user terminal access/channel switch time delay, can determine quickly and easily to use the MBMS business hours.
Being the preferred embodiment of the embodiment of the invention only below, is not the protection range that is used to limit the embodiment of the invention.All within the spirit and principle of the embodiment of the invention, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the embodiment of the invention.
Claims (11)
1. determine to use the professional MBMS time method of multicast/broadcast for one kind, it is characterized in that this method comprises:
User terminal adds and leaves MBMS when professional, sends the message of carrying user terminal identification and MBMS service identification information that user terminal is sent by network controller to broadcast multicast service center BM-SC;
BM-SC is according to the message of carrying user terminal identification and MBMS service identification information that receives, the time of determining to have the user terminal adding of this user terminal identification respectively and leaving MBMS business, this user terminal is added and the time of the time difference of leaving this MBMS business as this MBMS business of use with this service identification.
2. method according to claim 1, it is characterized in that, described network controller further comprised before the message of user terminal identification and MBMS service identification information is carried in the BM-SC transmission: user terminal sends to network controller and carries the wireless connections request message of user terminal identification and MBMS service identification information.
3. method according to claim 1 and 2 is characterized in that, described BM-SC determines to have the user terminal adding of this user terminal identification respectively and leaves the method for the MBMS business hours with this service identification is:
The tabulation of the user terminal identification of BM-SC storage selection MBMS business and the MBMS service identification information of user terminal selecting are judged the user terminal identification that whether comprises reception in the user terminals stored identification list,
If do not comprise, BM-SC will receive the time point of the message of carrying user terminal identification and MBMS service identification information, add the time that all have the MBMS business of service identification as the user terminal with this user terminal identification;
If comprise, whether the service identification information of judging this user terminal that receives again is identical with the service identification information of storage, if, this user terminal does not add and leaves the MBMS business with this service identification, otherwise, determine the user terminal adding respectively and leave the MBMS business, BM-SC will receive the time point of the message of carrying user terminal identification and MBMS service identification information, add and leave the time of the MBMS business with this service identification as the user terminal with this user terminal identification.
4. method according to claim 1 and 2 is characterized in that, also comprises the user terminal action identification information in the described message of carrying user terminal identification and MBMS service identification information;
Described BM-SC determines that respectively user terminal adds and the time method of leaving the MBMS business with this service identification is:
BM-SC is according to adding and leave message in user terminal identification, MBMS service identification and the user terminal action identification information, determine respectively to have the user terminal adding of this user terminal identification and leave MBMS business with this service identification, BM-SC is received the time point of the message of carrying user terminal identification, MBMS service identification and user terminal action identification information, add and leave the time of MBMS business as user terminal with this service identification with this user terminal identification.
5. method according to claim 4, it is characterized in that, network controller is a radio network controller (RNC), when user terminal is user equipment (UE), described network controller is before the message of user terminal identification and MBMS service identification information is carried in the BM-SC transmission, further comprise: user terminal sends the radio resource control RRC connection request message of carrying user terminal identification and MBMS service identification information to network controller
The MBMS that the information of described MBMS service identification is included in the RRC connection request message selects in the professional cell;
Described user terminal action identification information is included in the MBMS UE action cell in the RRC connection request message.
6. method according to claim 1 is characterized in that, before the user terminal of determining to have this user terminal identification left the time of the MBMS business with this service identification, this method further comprised the process of judging that can user terminal normally leave:
Can whether network controller periodically update normal according to user terminal or be air interface synchronous, judge whether user terminal moves normally, if then network controller periodically sends keep-alive message to BM-SC, otherwise network controller does not send the user terminal keep-alive message to BM-SC;
BM-SC judges whether the keep-alive message that network controller sends is overtime; if; BM-SC determines that the user terminal with this user terminal identification can not normally leave the MBMS business; carry out abnormality processing; otherwise BM-SC determines the user terminal with this user terminal identification and can normally leave the MBMS business, carries out the step that the user terminal of determining to have this user terminal identification leaves the time of the MBMS business with this service identification.
7. method according to claim 6; it is characterized in that; described abnormality processing for the time point BM-SC being determined user terminal and can not normally leave the time point of MBMS business or BM-SC is received keep-alive message last time as time departure, perhaps do not write down the adding of this user terminal and leave time of MBMS business.
8. determine to use the multicast/broadcast system of professional MBMS business hours for one kind, it is characterized in that this system comprises: user terminal, network controller and broadcast multicast service center BM-SC;
Described user terminal when being used for adding and leaving the MBMS business, sends by network controller the message of carrying user terminal identification and MBMS service identification information to broadcast multicast service center BM-SC;
Described network controller, the forwards of carrying user terminal identification and MBMS service identification information that is used for user terminal is sent is given BM-SC;
Described BM-SC, be used for according to the message of carrying user terminal identification and MBMS service identification information that receives, the time of determining to have the user terminal adding of this user terminal identification respectively and leaving MBMS business with this service identification, and with this user terminal adding and the time of the time difference of leaving this MBMS business as this MBMS business of use.
9. system according to claim 8 is characterized in that, described network controller is radio network controller (RNC) or base station controller BSC.
10. system according to claim 8 is characterized in that, described BM-SC comprises action determining unit and time determining unit;
Described action determining unit, be used for adding and leave message according to the user terminal identification, MBMS service identification and the user terminal action identification information that receive, determine respectively to have the user terminal adding of this user terminal identification and leave MBMS business, the definite result who obtains is input to the time determining unit with this MBMS service identification;
Described time determining unit, be used for definite result according to the input of action determining unit, the time point of the message of carrying user terminal identification, MBMS service identification and user terminal action sign that receives as the time that this user adds and leave this MBMS business, is added this user terminal and the time of the time difference of leaving this MBMS business as this MBMS business of use.
11. system according to claim 8 is characterized in that, described BM-SC comprises memory cell, action judging unit and time determining unit;
Described memory cell is used to store the tabulation of the user terminal identification of selecting the MBMS business and the MBMS service identification information of user terminal selecting;
Described action judging unit, be used for according to the tabulation of the user terminal identification of the memory cell of carrying user terminal identification and MBMS service identification information and reading that receives and the MBMS service identification information of user terminal selecting, judge the user terminal identification that whether comprises reception in the user terminals stored identification list, if do not comprise, the user terminal that obtains having this user terminal identification adds the result that all have the MBMS business of service identification, and the result who obtains is input to the time determining unit; If comprise, whether the service identification information of judging this user terminal that receives again is identical with the service identification information of storage, if, do not export judged result, otherwise, determine respectively to have the user terminal adding of this user terminal identification and leave MBMS business, the result who obtains is input to the time determining unit with this MBMS service identification;
Described time determining unit, be used for result according to the input of action judging unit, the time point of the message of carrying user terminal identification and MBMS service identification information that receives as the time that this user adds and leave this MBMS business, is added this user terminal and the time of the time difference of leaving this MBMS business as this MBMS business of use.
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| CN2006101403077A CN1968451B (en) | 2006-11-20 | 2006-11-20 | Method and system for determining to use multicast/broadcast service time |
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| CN2006101403077A CN1968451B (en) | 2006-11-20 | 2006-11-20 | Method and system for determining to use multicast/broadcast service time |
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| CN1968451B true CN1968451B (en) | 2010-04-21 |
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| CN102196362B (en) * | 2010-03-05 | 2016-09-07 | 中兴通讯股份有限公司 | The method of reseptance of Multimedia Broadcast Multicast Service and system |
| CN103024674B (en) | 2011-09-21 | 2015-11-25 | 华为技术有限公司 | The method of transmitting multimedia broadcast multicast business, equipment and system |
| CN104348627B (en) * | 2014-10-31 | 2019-02-01 | 上海华为技术有限公司 | Secret key sending method, the method and relevant device that authorization check is carried out to UE |
| CN108631946A (en) * | 2018-05-14 | 2018-10-09 | 海能达通信股份有限公司 | A kind of delay adjusting method and relevant device |
| CN113556219B (en) * | 2020-04-26 | 2022-12-06 | 大唐移动通信设备有限公司 | Transmission method and related equipment for Multimedia Broadcast Multicast Service (MBMS) |
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| CN1581742A (en) * | 2003-08-06 | 2005-02-16 | 北京三星通信技术研究有限公司 | Method for setting enter time limit of MBMS business |
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| CN1620766A (en) * | 2002-08-14 | 2005-05-25 | Lg电子株式会社 | Method for scheduling transmission of MBMS data in UMTS |
| CN1581742A (en) * | 2003-08-06 | 2005-02-16 | 北京三星通信技术研究有限公司 | Method for setting enter time limit of MBMS business |
| CN1764119A (en) * | 2004-10-21 | 2006-04-26 | 华为技术有限公司 | Method for realizing wireless broadcast multicast service timing and charging |
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