CN102143430A - Method and device for configuring MBMS (Multimedia Broadcast Multicast Service) conversation position information - Google Patents
Method and device for configuring MBMS (Multimedia Broadcast Multicast Service) conversation position information Download PDFInfo
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Abstract
This invention discloses a method and device for configuring MBMS (Multimedia Broadcast Multicast Service) conversation position information; a mobile control entity MCE is pre-stored with a mapping relationship list of temporary mobile group identification TMGI and MBMS conversation position information. The method comprises the following steps: the MCE receives an MBMS conversation build request or an MBMS conversation updating request with TMGI sent by a core network and inquires the mapping relationship list according to the TMGI; and when the MBMS conversation position information corresponding to the TMGI exists in the mapping relationship list, the MCE sends the MBMS conversation position information to a base station. By use of the invention, UE (User Equipment) can be effectively prevented from receiving useless information and the electric quantity of a battery of the UE (User Equipment) is saved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and apparatus of the MBMS of configuration session location information.
Background technology
MBMS(Multimedia Broadcast Multicast Service, multimedia broadcast-multicast service) is 3GPP R6(3rd Generation Partnership Project Release 6, third generation partner program the 6th version) the multimedia broadcasting and multicast function of definition is used to the user in the wireless area that multimedia broadcasting and multicast service are provided in.
The logic channel relevant with the MBMS transmission mainly comprises BCCH(Broadcast Control Channel, Broadcast Control Channel), MCCH(Multicast Control Channel, multicast control channel) and MTCH(Multicast Traffic Channel, the multicast service channel), wherein, BCCH is used for network to UE(User Equipment, subscriber equipment) broadcast system information.For MBMS, carry the configuration information of MCCH among the BCCH, for example, the repetition period of MCCH, beginning radio frames side-play amount, subframe position, MCCH revise the signaling MCS form of cycle, MCCH amendment advice indicating mode and transmission MCCH etc., so that make UE can find the resource location of MCCH, do not carry concrete MBMS business information among the BCCH.
MCCH is the down channel of a point to multiple spot, is used for network to the relevant control information of UE transmission MBSFN zone MBMS, and a MCCH can promptly, can carry the control information of a plurality of MTCH corresponding to one or more MTCH.The information that MCCH carries can comprise MBSFN(Multicast Broadcast Single Frequency Network, Multicast Broadcast Single Frequency Network) Qu Yu sub-frame allocation and sub-frame allocation repetition period, PMCH(Physical Multicast Channel, Physical Multicast Channel) or MCH(Multicast Channel, Multicast Channel) configuration information, for example, MBMS session(session) information, data MCS format configuration, PMCH subframe position and dispatching cycle etc.MTCH is the down channel of a point to multiple spot, is used for network and sends concrete MBMS business datum to UE.
Network utilisation BCCH utilizes MCCH to provide (P) MCH information to UE to the configuration information of UE indication MCCH again, and UE reads the MTCH schedule information MSI of concrete business on (P) MCH, thereby can receive the MBMS business on MTCH.
LTE(Long Term Evolution, Long Term Evolution) in the system, MBMS dedicated frequency layer and can both provide MBMS with the professional shared frequencies layer of non-MBMS supports that the LTE sub-district of MBMS can be the MBMS dedicated cell, also can be MBMS/ clean culture mixed cell.MBMS can carry out single cell transmission, also can carry out many cell transmission.
Wherein, many cell transmission of MBMS need be supported the MBSFN transmission means,, carry out synchronous transmission with same frequency in a plurality of sub-districts at one time that is, to save frequency resource, improve the availability of frequency spectrum.The MBSFN transmission means requires a plurality of sub-districts that identical content is sent simultaneously, the UE receiver with a plurality of MBSFN sub-district as a big sub-district, therefore, UE not only can not be subjected to the presence of intercell interference of neighbor cell transmission, and will benefit from the stack from the signal of a plurality of MBSFN sub-district.Multiple sectors at same keeps pouring in the defeated diversity that brings can also solve problems such as blind area covering, strengthens the reliability that receives, and improves coverage rate.
The technical characterstic of the many cell transmission of MBMS comprises: the synchronous transmission of MBMS in the MBSFN territory; Support the merging of many cell MBMS transmission; Logic channel MTCH and MCCH are mapped in and are used for PTM(Packet Transfer Mode, PTM Packet Transfer Mode) transmission channel MCH, and then be mapped on the PMCH; Can semi-static configuration MBSFN retaining zone, for example, pass through O﹠amp; M(Operations ﹠amp; Maintenance, operation and maintenance) system configuration MBSFN zone.
As shown in Figure 1, logical architecture schematic diagram for LTE MBMS of the prior art, wherein, MCE(Mobile Control Entity, mobile controlled entity) as RAN(Radio Access Network, wireless access network) centralized node of side, the M2 interface is as MCE and eNB(base station) logic interfacing, be used to transmit the area identification of MBSFN; MCE is used to upgrade the MCCH configuration to the schedule information of MBMS business, transmits that session from MME begins, end and updating message, has M2 interface management and configuration feature simultaneously.
As shown in Figure 2, be the schematic diagram that concerns between MBMS service area of the prior art and the MBSFN zone.The MBMS service area can be by BM-SC(Broadcast Multicast Service Center, broadcast/multicast service center) in conversation message, carry to the base station, comprise one or more service identifications, each service identification maps to one or more sub-districts.The MBSFN zone can be planned according to the strategy of operator by MCE, and by informing base station in the M2 interface message, comprises one group of sub-district in the retaining zone, and these sub-districts are used to carry out synchronous MBSFN and send.MBSFN reserves in the zone sub-district and also belongs to retaining zone, but does not carry out the professional transmission of MBMS.
In realizing process of the present invention, the inventor finds prior art, and there are the following problems at least:
The professional transmission of present MBMS is broadcasted based on the MBSFN zone, but some MBMS business has regional characteristics, and corresponding zone is less than the MBSFN zone, for example: weather forecast, video ads and transport information etc.In these cases, subscriber equipment will receive a large amount of garbages, waste battery electric quantity.
Summary of the invention
The object of the present invention is to provide a kind of method and apparatus of the MBMS of configuration session location information, so that avoid UE to receive garbage, for this reason, the present invention adopts following technical scheme:
A kind of method that disposes multimedia broadcast-multicast service MBMS session location information stores the mapping relations table of Temporary Mobile Group Identity TMGI and MBMS session location information in advance among the mobile controlled entity MCE, described method comprises:
MCE receives the MBMS session foundation request or the request of MBMS session updates that carry TMGI that core net sends, and inquires about described mapping relations table according to described TMGI;
When having the MBMS session location information corresponding with described TMGI in the described mapping relations table, described MCE sends to the base station with described MBMS session location information.
A kind of mobile controlled entity MCE comprises:
Memory module is used to store the mapping relations table of Temporary Mobile Group Identity TMGI and multimedia broadcast-multicast service MBMS session location information;
Receiver module is used to receive the MBMS session foundation request or the request of MBMS session updates that carry TMGI that core net sends;
Enquiry module is used for inquiring about described mapping relations table according to the TMGI that described receiver module receives;
Sending module is used for when there is the MBMS session location information corresponding with described TMGI in described mapping relations table described MBMS session location information being sent to the base station.
Embodiments of the invention comprise following advantage, by the base station being carried out the configuration of MBMS session location information, make UE to receive the MBMS business, can avoid UE to receive garbage effectively, save the battery electric quantity of UE based on MBMS session location Information Selection ground.Certainly, arbitrary product of enforcement embodiments of the invention might not need to reach simultaneously above-described all advantages.
Description of drawings
Fig. 1 is the logical architecture schematic diagram of LTE MBMS of the prior art;
Fig. 2 is the schematic diagram that concerns between MBMS service area of the prior art and the MBSFN zone;
Fig. 3 is a kind of method flow diagram that disposes MBMS session location information in the embodiment of the invention;
Fig. 4 is the method flow diagram of the another kind configuration MBMS session location information in the embodiment of the invention;
Fig. 5 is the structural representation of the MCE in the embodiment of the invention.
Embodiment
In the technical scheme that the embodiment of the invention provides, by MCE OAM(Operation Administration and Maintenance, Operations, Administration and Maintenance) system disposes MBMS session location information on MCE, and by MCE as Control Node, MBMS session location information is notified to eNB.ENB can send to UE with the MBMS session location information that receives, and whether UE receives corresponding M BMS session according to this MBMS session location information decision; ENB also can carry out process control to eating dishes without rice or wine according to MBMS session location information, so that UE can receive the MBMS session based on MBMS session location Information Selection ground.
Below in conjunction with the accompanying drawing among the present invention, the technical scheme among the present invention is carried out clear, complete description, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope of protection of the invention.
In the embodiment of the invention, MCE OAM system can dispose MBMS session location information by the mode that sends configuration signal to MCE on MCE, and MCE is according to the configuration signal storage TMGI that receives and the mapping relations table of MBMS session location information.
Wherein, the MBMS session location information that MCE OAM system disposes on MCE can more specific location information, this more specific location information can be the cell list in the MBMS scope of business, determine the regional extent of MBMS business with the form of sub-district, can pass through ECGI(E-UTRAN Cell Global Identifier, Cell Global Identification) or PLMN(Public Land Mobile Network the general continental rise wireless access network of evolution:, public land mobile network)+Cell ID(cell ID) form represent.Above-mentioned more specific location information also can be the TAI(Tracking Area Identity in the MBMS scope of business, the tracing area sign) tabulation, determine the regional extent of MBMS business with the form of TAI, can pass through PLMN+TAC(Tracking Area Code, trace regions sign indicating number) form represent.Above-mentioned more specific location information also can be predefined area I D tabulation, and the self-defining area I D of operator for example is used to indicate the regional extent of MBMS business; Above-mentioned more specific location information also can be geographical location information, for example, " xx zone xx street ", GPS(Global Positioning System, global positioning system) geography information that provides or latitude and longitude information etc.
The MBMS session location information that MCE OAM system disposes on MCE can also be the position class information, and this position class information can be set by operator, and arranges when operator and user are signatory.When MCE OAM on MCE during the allocation position class information, MBMS GW(Gateway, gateway) can the more specific location information of MBMS business be sent to eNB by business data.The position class information can be concrete position grade, for example, and administrative hierarchy (national, provincial level, city-level or at county level etc.), system-level (cell-level or base station level etc.); Also can be the position hierarchy index corresponding with concrete position grade, this position hierarchy index can be Digital ID and/or letter sign, and for example, position hierarchy index 1 is corresponding provincial, position hierarchy index 2 corresponding city-levels.Corresponding relation between position hierarchy index and the concrete position grade can be set by operator, and arranges when operator and user are signatory.
MCE can be according to the TMGI(Temporary Mobile Group Identity that self stores, Temporary Mobile Group Identity) and the mapping relations table of MBMS session location information, eNB is carried out the configuration of MBMS session location information, and idiographic flow may further comprise the steps as shown in Figure 3:
Step 301, MME(Mobility Management Entity, Mobility Management Entity)/SGSN(Serving GPRS Support Node, the GPRS service node) send MBMS session foundation request to MCE.
Wherein, the MBMS session is set up in the request can comprise TMGI, also can comprise QoS(Quality of Service, service quality), MBMS service area(MBMS service area), Session identifier(session identification), the duration is estimated in estimated session duration(session), transport network IP Multicast Address(transmission network ip multicast address), IP address of the multicast source(multicast source IP address) and GTP(GPRS Tunnelling Protocol, the TEID(Tunnel Endpoint Identifier GPRS tunnel protocol), tunnel endpoint identifier) information such as.
Step 302, MCE returns the MBMS session to MME/SGSN and sets up response.
Wherein, the MBMS session is set up to respond and is used for confirming to receive MBMS session foundation request.
Step 303, MCE sets up the TMGI of TMGI inquiry self storage of carrying in the request and the mapping relations table of MBMS session location information according to the MBMS session.
When MCE did not inquire the MBMS session location information corresponding with the TMGI that carries in the MBMS session request of setting up from the mapping relations table, MCE carried out conventional MBMS session and sets up flow process; When MCE inquires the MBMS session location information corresponding with the TMGI that carries in the MBMS session request of setting up from the mapping relations table, then continue to carry out following steps:
Step 304, MCE sends the MBMS session by the eNB of M2 interface in the MBSFN zone and sets up request.
Wherein, the MBMS session of the M2 interface request of setting up carries MBMS session location information and the corresponding TMGI that inquires, and its message format is as shown in table 1:
The message format of request is set up in table 1 MBMS session
Step 305, eNB returns the MBMS session to MCE and sets up response.
Particularly, eNB sets up session according to the MBMS session that the receives request of setting up, and the MBMS session location information of carrying in the request is set up in store M BMS session.When session was set up successfully, eNB returned the MBMS session to MCE and sets up response, by eating dishes without rice or wine MBMS session location information is notified to UE, perhaps carries out process control to eating dishes without rice or wine according to MBMS session location information.
In addition, when failure was set up in session, eNB can return the MBMS session to MCE and set up failed message.
Need to prove, when the MBMS session location information corresponding with the TMGI that carries in the MBMS session request of setting up that inquires from the mapping relations table as MCE is the position class information, MCE can indicate eNB to obtain corresponding more specific location information from MBMS GW, and MBMS GW can send to eNB with the more specific location information of MBMS business by business data.
In the above embodiment of the present invention, MCE sets up in the process in session, eNB is carried out the configuration of MBMS session location information; In other execution modes of the present invention, MCE also can carry out the configuration of MBMS session location information to eNB in the session updates process, and idiographic flow may further comprise the steps as shown in Figure 4:
Step 401, MME/SGSN sends the request of MBMS session updates to MCE.
Wherein, can comprise TMGI in the request of MBMS session updates, also can comprise QoS, MBMS service area(MBMS service area), Session identifier(session identification), estimated session duration(session estimates the duration), transport network IP Multicast Address(transmission network ip multicast address), IP address of the multicast source(multicast source IP address) and information such as GTP TEID.
Step 402, MCE returns the response of MBMS session updates to MME/SGSN.
Wherein, the response of MBMS session updates is used for confirming to receive the request of MBMS session updates.
Step 403, MCE is according to the TMGI of the TMGI inquiry of carrying in the request of MBMS session updates self storage and the mapping relations table of MBMS session location information.
When MCE did not inquire the MBMS session location information corresponding with the TMGI that carries in the request of MBMS session updates from the mapping relations table, MCE carried out conventional MBMS session updates flow process; When MCE inquires the MBMS session location information corresponding with the TMGI that carries in the request of MBMS session updates from the mapping relations table, then continue to carry out following steps:
Step 404, MCE sends the request of MBMS session updates by the eNB of M2 interface in the MBSFN zone.
Wherein, the MBMS session updates request of M2 interface carries MBMS session location information and the corresponding TMGI that inquires.
Step 405, eNB returns the response of MBMS session updates to MCE.
Particularly, the MBMS session updates request that the eNB basis receives is new session more, the MBMS session location information of carrying in the request of store M BMS session updates.When the session updates success, eNB returns the response of MBMS session updates to MCE, by eating dishes without rice or wine MBMS session location information is notified to UE, perhaps carries out process control to eating dishes without rice or wine according to MBMS session location information.
In addition, when session updates was failed, eNB can return MBMS session updates failed message to MCE.
Need to prove, when the MBMS session location information corresponding with the TMGI that carries in the request of MBMS session updates that inquires from the mapping relations table as MCE is the position class information, MCE can indicate eNB to obtain corresponding more specific location information from MBMS GW, and MBMS GW can send to eNB with the more specific location information of MBMS business by business data.
Embodiments of the invention comprise following advantage, by eNB being carried out the configuration of MBMS session location information, make UE to receive the MBMS business, can avoid UE to receive garbage effectively, save the battery electric quantity of UE based on MBMS session location Information Selection ground.Certainly, arbitrary product of enforcement embodiments of the invention might not need to reach simultaneously above-described all advantages.
According to the method for the configuration MBMS session location information that provides in the above-mentioned execution mode, the embodiment of the invention also provides the device of the method for using above-mentioned configuration MBMS session location information.
As shown in Figure 5, the structural representation for the MCE in the embodiment of the invention comprises:
Wherein, MBMS session location information can be more specific location information or position class information, and more specific location information can comprise at least one in the following content: the cell list in the MBMS scope of business, TAI tabulation, predefined area I D tabulation, geographical location information and the latitude and longitude information in the MBMS scope of business.
Sending module 540 is used at enquiry module 530 this MBMS session location information being sent to the base station when the mapping relations table inquires the MBMS session location information corresponding with TMGI.
Particularly, set up in the process in the MBMS session, sending module 540 can send the MBMS session to the base station and set up response, and this MBMS session is set up and carried TMGI and corresponding MBMS session location information in the response.In MBMS session updates process, sending module 540 can send the response of MBMS session updates to the base station, carries TMGI and corresponding MBMS session location information in this MBMS session updates response.
When the MBMS session location information of storing in the mapping relations table was the position class information, above-mentioned sending module 540 also was used to indicate the base station to obtain corresponding more specific location information from MBMS GW.
Above-mentioned MCE can further include:
Embodiments of the invention comprise following advantage, by the base station being carried out the configuration of MBMS session location information, make UE to receive the MBMS business, can avoid UE to receive garbage effectively, save the battery electric quantity of UE based on MBMS session location Information Selection ground.Certainly, arbitrary product of enforcement embodiments of the invention might not need to reach simultaneously above-described all advantages.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a station terminal equipment (can be mobile phone, personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (9)
1. a method that disposes multimedia broadcast-multicast service MBMS session location information is characterized in that, stores the mapping relations table of Temporary Mobile Group Identity TMGI and MBMS session location information among the mobile controlled entity MCE in advance, and described method comprises:
MCE receives the MBMS session foundation request or the request of MBMS session updates that carry TMGI that core net sends, and inquires about described mapping relations table according to described TMGI;
When having the MBMS session location information corresponding with described TMGI in the described mapping relations table, described MCE sends to the base station with described MBMS session location information.
2. the method for claim 1 is characterized in that, described mapping relations table is set in the following manner:
Described MCE receives the configuration signal that MCE Operations, Administration and Maintenance OAM system sends, and according to described configuration signal described mapping relations table is set.
3. the method for claim 1 is characterized in that, described MBMS session location information is more specific location information or position class information;
At described MCE described position class information is sent under the situation of base station, described method also comprises:
MBMS gateway GW sends to described base station by business data with the more specific location information of MBMS business.
4. method as claimed in claim 3 is characterized in that, described more specific location information comprises at least one in the following content:
Cell list in the MBMS scope of business, time tracking area identification TAI tabulation, predefined area identification ID tabulation, geographical location information and the latitude and longitude information in the MBMS scope of business.
5. the method for claim 1 is characterized in that, also comprises:
The MBMS session location information that receives is preserved in described base station;
Described base station sends to subscriber equipment with described MBMS session location information, perhaps carries out process control to eating dishes without rice or wine according to described MBMS session location information.
6. a mobile controlled entity MCE is characterized in that, comprising:
Memory module is used to store the mapping relations table of Temporary Mobile Group Identity TMGI and multimedia broadcast-multicast service MBMS session location information;
Receiver module is used to receive the MBMS session foundation request or the request of MBMS session updates that carry TMGI that core net sends;
Enquiry module is used for inquiring about described mapping relations table according to the TMGI that described receiver module receives;
Sending module is used for when there is the MBMS session location information corresponding with described TMGI in described mapping relations table described MBMS session location information being sent to the base station.
7. MCE as claimed in claim 6 is characterized in that, also comprises:
Module is set, is used to receive the configuration signal that MCE Operations, Administration and Maintenance OAM system sends, described mapping relations table is set according to described configuration signal.
8. MCE as claimed in claim 6 is characterized in that, described MBMS session location information is more specific location information or position class information;
Described sending module also is used for indicating described base station to obtain corresponding more specific location information from MBMS gateway GW when described MBMS session location information is the position class information.
9. MCE as claimed in claim 8 is characterized in that, described more specific location information comprises at least one in the following content:
Cell list in the MBMS scope of business, the sign of the tracing area in MBMS scope of business TAI tabulation, predefined area identification ID tabulation, geographical location information and latitude and longitude information.
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