CN102905218A - Broadcasting service data transmission method - Google Patents
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- CN102905218A CN102905218A CN2011102256790A CN201110225679A CN102905218A CN 102905218 A CN102905218 A CN 102905218A CN 2011102256790 A CN2011102256790 A CN 2011102256790A CN 201110225679 A CN201110225679 A CN 201110225679A CN 102905218 A CN102905218 A CN 102905218A
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Abstract
The invention discloses a broadcasting service data transmission method. The method comprises the following steps of: using a BM-SC (broadcast multicast service center) to send MBMS (multimedia broadcast and multicast service) data to an MBMS-GW (gateway), wherein the data contains position markers where the data is located; using the MBMS-GW to send the data to a base station in an IP (Internet protocol) multicast group; and filtering the received data in different geographical positions by UE (user equipment) according to the position markers, or filtering the received data in different geographical positions by the base station according to the position markers, or filtering the data in different geographical positions by the MBMS-GW according to the position markers, or directly filtering the data in different geographical positions by the BM-SC so as to enable the UE to receive the required data. The broadcasting of different contents in a same MBSFN (multicast broadcast single frequency network) area by one service can be realized by applying the broadcasting service data transmission method disclosed by the invention.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of broadcast service data transmission method.
Background technology
Fig. 1 is the system architecture diagram of System Architecture Evolution (SAE), and wherein, subscriber equipment (UE) the 101st is used for the terminal equipment of receive data; Evolved universal terrestrial radio access network (E-UTRAN) the 102nd, Radio Access Network is comprising the macro base station (eNodeB/NodeB) that the access of radio network interface is provided for UE; Mobile management entity (MME) 103 is in charge of mobile context, session context and the security information of UE; Gateway (SGW) 104 mainly provides the function of user plane, and MME 103 and SGW 104 may be in the Same Physical entity; Grouped data network gateway (PGW) 105 is responsible for the functions such as charging, Lawful Interception, also can be in the Same Physical entity with SGW 104; "Policy and Charging Rules Function entity (PCRF) 106 provides service quality (QoS) strategy and charging criterion.Universal grouping wireless business supporting node (SGSN) the 108th provides the apparatus for network node of route for data transfer in the universal mobile telecommunications system (UMTS); Home subscriber server (HSS) the 109th, the local of UE ownership subsystem, responsible protection comprises address, the user security information of current location, the service node of subscriber equipment, the user profile such as packet data content of subscriber equipment.
In order to effectively utilize air interface resource, some mobile communication businesses offer the user in the mode of broadcasting and multicast, and this business is called multimedia broadcast-multicast service (MBMS, MultimediaBroadcast and Multicast Service).It is professional that each MBMS business provides in the coverage of oneself, and each residential quarter in the coverage has special control channel to come the MBMS transmission signaling, and this control channel is MCCH, and each MBMS business has a service identification TMGI.
MCE among the E-UTRAN is the MBMS controlled entity.According to the difference of MCE position, MBMS has two kinds of deployment way, as shown in Figure 2.Among the figure on the left side, MCE is an entity that is independent of outside the base station, and a MCE can control a plurality of base stations.Among the figure on the right, MCE is positioned on the base station, base station of a MCE control.BM-SC is that multimedia broadcast-multicast service provides the center, the MBMS data are sent to MBMS-GW from BM-SC, MBMS-GW is a logical node, not getting rid of it is other network node, MBMS-GW comprises control plane and datum plane, it is responsible for sending control signaling to MME between BM-SC and eNB, and the broadcasting MBMS data bag is given the eNB that wants the transmission of data.It is the M1 interface between MBMS-GW user plane and the base station.Control signal sends to MBMS-GW from BM-SC, then sends to MCE by MME, and MCE sends control signaling to the base station again.Interface between MME and the MCE is the M3 interface, and the interface between MCE and the base station is the M2 interface.
After the base station start, at first MCE will set up the M2 interface, is used for the control signal of transmission session.MBMS session (Session) will be at first, and BM-SC sends session and begins request message to MBMS-GW, and MBMS GW sends to message on the MCE by MME.MCE can initiate first UE number statistical process, namely sends the statistics request message to the base station, and the base station sends to UE to message by air interface.If UE is in connection mode, and interested in the MBMS that will send, and UE sends the statistics response message.Then the response message of UE is collected in the base station, knows that the UE what connection modes are arranged is interested in the MBMS business, and report the UE number to MCE the base station.MCE collects the report of the base station in the whole MBSFN zone, and according to the data of UE, MCE can determine the MBMS transfer of data in activation/deactivation MBSFN zone.If activate transmission, MCE sends professional beginning request message to the base station, then sends schedule information message to the base station.Schedule information message has comprised the configuration of air interface MBMS control channel and the control information that will transmit, the i.e. configuration of MCCH and content.Base station aloft interface sends MCCH, above the bearer service sign.The base station will join in the multicast group of MBMS-GW, to set up the user plane of transfer of data.
The MBMS business can be transmitted under single-carrier cell, and like this, the carrier wave that use different residential quarters is different, can only listen to the MBMS business of current area the user of cell edge.But if adjacent residential quarter is professional with same carrier transmission same MBMS, and it is professional to transmit in a synchronous manner this MBMS, and then the user just can receive the stack of these two signal energies at the edge of neighbor cell.Therefore, in the prior art, defined a continuous zone, in this zone, each eNB uses the same same MBMS signal of carrier synchronization transmission, improves user's the professional quality of reception of MBMS.This continuous zone is called unifrequency network (SFN, Single Frequency Network) zone.Continuous residential quarter, one group of geographical position of SFN district inclusion, these residential quarters come certain specific MBMS of synchronous transmission professional with same Radio Resource.
In 3GPP Release 11, introduce with professional related positional information, UE can determine whether receive the decode business according to the positional information of oneself, this position is less than the scope of MBSFN.To same business, in a MBSFN zone, a plurality of different data contents may be arranged in broadcasting.
Positional information can be that the geographical position is described, and the shape of geographic area has been described in the geographical position.The description of this shape is significant to UE, and UE need to know the geographical position of oneself.Can GPS be installed by UE oneself, if UE does not install GPS, eNB can transmit the geographical position of residential quarter, and perhaps positional information can be to describe with one group of residential quarter, and UE comes the corresponding geographical position that goes out oneself with the cell ID that obtained.In this case, positional information can only be accurate to the residential quarter.
If a business is in the different content of identical MBSFN regional broadcast, the data transmission method of definition is inapplicable at present.
Summary of the invention
In view of this, the invention provides a kind of broadcast service data transmission method, can realize that a business is in the different content of identical MBSFN regional broadcast.
A kind of broadcast service data transmission method, the method comprises:
Broadcast multicast services center BM-SC sends multimedia multicast broadcasting service MBMS data to multimedia multicast broadcasting service gateway MBMS-GW, and data comprise station location marker;
MBMS-GW sends this data to the base station that joins Internet Protocol multicast IP Multicast group;
The data that base station broadcast receives, the data of broadcasting are the data in a plurality of or all geographical position.
The present embodiment method is by sending the MBMS data to MBMS-GW by BM-SC, send the data to the interior base station of IP Multicast group by MBMS-GW again, after broadcast the data that receive the base station, filtered by the data that UE comes to the base station broadcast that receives, thereby so that UE can the needed data of selection itself.
A kind of broadcast service data transmission method, the method comprises:
Broadcast multicast services center BM-SC sends multimedia multicast broadcasting service MBMS data to multimedia multicast broadcasting service gateway MBMS-GW, and data comprise station location marker;
MBMS-GW sends this data to the base station that joins Internet Protocol multicast IP Multicast group;
The base station is selected from the data that receive with data corresponding to own geographical position and is broadcasted.
The present embodiment method is by sending the MBMS data to MBMS-GW by BM-SC, send the data to the interior base station of IP Multicast group by MBMS-GW again, the base station is selected from the data that receive with data corresponding to own geographical position and is broadcasted, and also is that filter data first the base station.
A kind of method of supporting the broadcast service data transmission, the method comprises:
Broadcast multicast services center BM-SC sends multimedia multicast broadcasting service MBMS data to multimedia multicast broadcasting service gateway MBMS-GW, and data comprise station location marker;
MBMS-GW is according to the station location marker of the packet indication base station selected transmission data to the correspondence that joins Internet Protocol multicast IPmulticast group;
The data that base station broadcast receives.
The present embodiment method is by sending the MBMS data to MBMS-GW by BM-SC, the data of diverse geographic location being filtered according to station location marker by MBMS-GW.
A kind of broadcast service data transmission method, the method comprises:
The multimedia multicast broadcasting service MBMS data that broadcast multicast services center BM-SC sends diverse geographic location by different user plane are to multimedia multicast broadcasting service gateway MBMS-GW, and data comprise station location marker;
MBMS-GW sends this data according to the station location marker of packet indication to the base station of the correspondence that joins Internet Protocol multicast IPMulticast group;
The data that base station broadcast receives.
The present embodiment method is by directly the data of diverse geographic location being filtered by BM-SC, by different user planes data are sent to MBMS-GW, by MBMS-GW the data of diverse geographic location being transmitted to the base station of correspondence again.
A kind of broadcast service data transmission method, the method comprises:
Broadcast multicast services center BM-SC sends session and begins request message to multimedia multicast broadcasting service gateway MBMS-GW, and this session begins request message and comprises station location marker;
MBMS-GW begins request message with described session and sends to mobile management entity MME;
MME sends described session and begins request message to many cell/multicasts coordination entity MCE;
MCE begins the base station that request message sends to multimedia broadcasting unifrequency network MBSFN scope with described session.
The present embodiment method is to filter or by the base station data that receive are filtered by the data that UE comes to the base station broadcast that receives, thereby so that UE can the needed data of selection itself.
A kind of broadcast service data transmission method, the method comprises:
Broadcast multicast services center BM-SC sends session and begins request message to multimedia multicast broadcasting service gateway MBMS-GW, and this session begins request message and comprises station location marker;
MBMS-GW begins request message with described session and sends to mobile management entity MME;
MME sends described session and begins request message to many cell/multicasts coordination entity MCE;
MCE begins request message with described session and sends to the corresponding base station of station location marker that session begins to comprise in the request message.
The present embodiment method is by being filtered data by MBMS-GW or BM-SC.
As can be seen from the above technical solutions, broadcast service data transmission method provided by the invention is to begin request message to MBMS-GW by sending session by BM-SC, and this session begins request message and comprises station location marker; Add IP Multicast user group, the user plane between foundation and the MBMS-GW by the base station again; The data of the diverse geographic location that receives are filtered according to station location marker by UE at last or the data of the diverse geographic location that receives are filtered or according to station location marker the data of diverse geographic location filtered or directly the data of diverse geographic location are filtered by BM-SC by MBMS-GW according to station location marker by the base station, thereby so that UE can receive needed data itself.Use broadcast service data transmission method of the present invention, can realize that a business is in the different content of different MBSFN regional broadcasts.
Description of drawings
Fig. 1 is existing SAE system architecture diagram;
Fig. 2 is existing MBMS structural representation;
Fig. 3 is the schematic diagram of broadcast service data transmission method embodiment one of the present invention;
Fig. 4 is the workflow diagram of broadcast service data transmission method embodiment one of the present invention;
Fig. 5 is the schematic diagram of broadcast service data transmission method embodiment two of the present invention;
Fig. 6 is the workflow diagram of broadcast service data transmission method embodiment two of the present invention;
Fig. 7 is the schematic diagram of broadcast service data transmission method embodiment three of the present invention;
Fig. 8 is the workflow diagram of broadcast service data transmission method embodiment three of the present invention;
Fig. 9 is the schematic diagram of broadcast service data transmission method embodiment four of the present invention;
Figure 10 is the workflow diagram of broadcast service data transmission method embodiment four of the present invention.
Embodiment
In order to solve the problem of prior art, the specific implementation of scheme of the present invention comprises:
BM-SC sends session and begins request message to MBMS-GW, and this session begins request message and comprises station location marker; MBMS-GW begins request message with described session and sends to MME; MME sends described session and begins request message to MCE; MCE sends described session and begins request message to all base stations in the MBSFN zone; The base station adds IP Multicast user group, the user plane between foundation and the MBMS-GW; BM-SC sends packet to MBMS-GW, is given the base station that joins this professional IP Multicast group by MBMS-GW forwarding data bag, sends the data to UE by the base station, and UE selects to want the data of the station location marker that receives according to station location marker, perhaps,
BM-SC sends session and begins request message to MBMS-GW, and this session begins request message and comprises station location marker; MBMS-GW begins request message with described session and sends to MME; MME sends described session and begins request message to MCE; MCE begins request message with described session and sends to the corresponding base station of station location marker that session begins to comprise in the request message; The base station adds IP Multicast user group, the user plane between foundation and the MBMS-GW; BM-SC sends packet to MBMS-GW, is given the base station that joins this professional IP Multicast group by MBMS-GW forwarding data bag, gone out to be broadcast to UE with packet corresponding to this base station location by base station selected, perhaps,
BM-SC sends session and begins request message to MBMS-GW, and this session begins request message and comprises station location marker; MBMS-GW begins request message with described session and sends to MME; MME sends described session and begins request message to MCE; MCE begins request message with described session and sends to the corresponding base station of station location marker that session begins to comprise in the request message, and described session begins to comprise in the request message data receiver tunnel Taoist monastic name (DL TEID) that MCE is base station assigns; MCE is sending to MME for the corresponding relation between the DL TEID of base station assigns and the station location marker; MME sends to MBMS-GW with the corresponding relation between described DL TEID and the station location marker; The base station adds IP Multicast user group, the user plane between foundation and the MBMS-GW; BM-SC sends packet to MBMS-GW, is resolved the station location marker in packet header by MBMS-GW, and according to the DL TEID that distributes and the corresponding relation between the station location marker package forward is arrived the corresponding base station of DL TEID, sends the data to UE by the base station, perhaps,
Data for diverse geographic location, BM-SC sends respectively session and begins request message to MBMS-GW, this session begins request message and comprises station location marker, MBMS-GW is that different geographic position datas has distributed different data receiver tunnel Taoist monastic names, namely and set up different user planes between the BM-SC; MBMS-GW begins request message with described session and sends to MME; MME sends described session and begins request message to MCE; MCE begins request message with described session and sends to the corresponding base station of station location marker that session begins to comprise in the request message, and described session begins to comprise in the request message data receiver tunnel Taoist monastic name (DL TEID) that MCE is base station assigns; MCE is sending to MME for the corresponding relation between the station location marker of the DL TEID of base station assigns and this base station; MME sends to MBMS-GW with the corresponding relation between described DL TEID and the station location marker; The base station adds IP Multicast user group, the user plane between foundation and the MBMS-GW; BM-SC sends packet to MBMS-GW, by the not needs parsing packet header control information of MBMS-GW basis, but according to different receive data tunnel Taoist monastic names, and DL TEID and the corresponding relation between the station location marker according to the base station arrive the corresponding base station of DL TEID with package forward, send the data to UE by the base station.
In order to make the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the drawings and specific embodiments.
Embodiment one
The present embodiment one be by base station broadcast all/user data in a plurality of geographical position, and then select own interested data by UE.It doesn't matter because the data that UE receives are with the current location of UE, therefore, and UE selective reception user data freely in the present embodiment.Specifically can be referring to method schematic diagram shown in Figure 3, as shown in Figure 3, the method comprises:
Step 301:BM-SC sends the MBMS business datum to MBMS-GW, and data comprise station location marker;
Step 302:MBMS-GW sends this data to the base station that joins this IP Multicast group;
Step 303: these data of base station broadcast, the data of broadcasting can comprise the data in a plurality of or all geographical position.
So far, namely can realize the described broadcast service data transmission of the present embodiment, concrete workflow can be referring to Fig. 4.As shown in Figure 4, the present embodiment method comprises the steps:
Step 401:BM-SC sends session and begins request message to MBMS-GW.
In this step, session begins request message and has indicated the MBMS business to be about to begin, and the attribute information of MBMS session is provided, and this message comprises the service identification TMGI of MBMS, IPmulticast address, Qos information, MBMS scope of business information, session identification, session persistence, MBMS controls nodal information, waits for the minimum time of first Packet Generation.
Need to prove, this session begins request message and also comprises station location marker.For station location marker, this station location marker is included in the MBMS packet, has shorter information to represent concrete positional information, such as thinking LI-1 etc.; The station location marker correspondence concrete positional information, this corresponding relation can be to be pre-configured on each MBMS transmission node, for example be configured in MBMS-GW, MCE, on the base station, perhaps, this corresponding relation is to be configured on the BM-SC in message, begins request message by BM-SC by session and is carried on each MBMS transmission node.Carry this corresponding relation if begin request message by session, that message also needs to comprise concrete positional information, concrete positional information is described such as background knowledge, can be the description in concrete geographical position, it perhaps is the description of one group of residential quarter, or other description, for example, one group of Tracking Area Identifier (RAI), or one group of coverage sign (SAI), station location marker and more specific location information are one to one.
Also it should be noted that, in this step, this session begins the specifying information that request message can comprise a plurality of station location markers and a plurality of positions, is as the criterion with the realization that does not affect the embodiment of the invention.
Step 402:MBMS-GW sends session and begins response message to BM-SC.
This message comprises the tunnel Taoist monastic name (DL TEID) that downlink data receives, and is used for confirming that MBMS-GW has received that session begins request message.
Step 403:MBMS-GW transmits session and begins request message to MME.
Step 404:MME sends session and begins request response to MBMS-GW, begins request message to have acknowledged receipt of session.
Step 405:MME sends session and begins request message to MCE.
In this step, session begins the content synchronization rapid 401 and 403 that request message comprises, and repeats no more here.
Step 406:MCE sends session and begins response message to MME, to confirm that MCE has received that session begins request message.
Step 407:MCE sends session and begins request message to all base stations in the MBSFN zone.
Session begins content that request message comprises also with step 401 and 403 in this step, repeats no more.
Need to prove, in this step, MCE has sent to all base stations in the MBSFN zone to message.
Step 408: the base station sends session and begins response message and acknowledged receipt of session to MCE and begin request message.
Step 409:MCE initiates user's statistic processes.
User's statistic processes is in UE connection mode and that want to receive the MBMS data for statistics.The same prior art of this statistical method repeats no more here.
Need to prove, the operation of this step is carried out after 407 steps or before 407 steps.
Step 410:MCE sends MBMS schedule information configuration messages to the base station.
This information configuration the information that will transmit on the MCCH, this message comprises the configuration information of configuration information, PMCH of MBSFN subframe and the MBMS sign that PMCH carries above.
Further, this message also comprises this professional corresponding station location marker.
Step 411: the base station sends MBMS schedule information configuration response message to MCE.
Step 412: the base station sends MBMS and begins request message to UE, by the MBMS service configuration information notice UE that carries on the MCCH channel.
The MBMS service configuration information comprises the configuration information of MBSFN subframe, the configuration information of PMCH and the MBMS sign that PMCH carries above.Service configuration information also comprises the sign of positional information.
Step 413: the base station adds IP Multicast user group, set up and MBMS-GW between user plane.
Step 414:BM-SC sends packet to MBMS-GW, and then MBMS-GW forwarding data bag is given all base stations that join this professional IP Multicast group, sends the data to UE by the base station, and UE selects the data of correspondence position sign.
In this step, all packets of receiving of base station broadcast, packet comprise payload two parts of packet header and carrying MBMS data, and packet header has comprised some control informations, and synchronous transfer of data is carried out according to these control informations in the base station.Except the control information of existing definition, this control information has also comprised station location marker, has indicated payload for which geographical position.The corresponding relation of station location marker and concrete positional information can be pre-configured in each MBMS node, perhaps is transferred to each MBMS node from BM-SC.
UE is interested in the business tine in certain geographical position, and by the MBMS service configuration information of base station broadcast, UE has obtained sign corresponding to geographical position.Perhaps obtain this sign by other method, for example obtain by registration process.UE resolves the control information in packet header, and by the station location marker that packet header comprises, UE judges whether this bag has comprised business tine corresponding to the interested geographical position of UE.Interested in the content of Cell-1 such as UE, UE resolves the packet that the header control information is set to LI-1, just can obtain own interested data.
Another kind method be the base station the data configuration of diverse geographic location on different wireless channels, perhaps on same channel, in different moment transmission, UE is by the MBMS service configuration information of base station broadcast, obtain the channel configuration corresponding to data in the interested geographical position of UE, come receive data at this corresponding channel.
So far, namely obtained the whole workflow of the described broadcast service data transmission of the present embodiment.
The method of embodiment one is to allow UE select own interested data, this method require base station broadcast all/user data in a plurality of geographical position, general, the user is only interested in the corresponding data of current location, so the method for embodiment one has been wasted the resource of air interface.
Embodiment two
The present embodiment method is only to be broadcasted with user data corresponding to the geographical position of this base station by the base station, specifically can be referring to method schematic diagram shown in Figure 5.As shown in Figure 5, the method comprises:
Step 501:BM-SC sends the data of MBMS business to MBMS-GW, and data comprise station location marker;
Step 502:MBMS-GW sends this data to the base station that joins this multicast group.。
Step 503: the base station is selected with data corresponding to own geographical position from receive data and is broadcasted.
In this step, this business datum of base station broadcast, the data of broadcasting only comprise with data corresponding to this base station geographic position, and namely the base station need to be selected from data with data broadcast corresponding to own geographical position.
So far, namely can realize the described broadcast service data transmission of the present embodiment, concrete workflow can be referring to Fig. 6.As shown in Figure 6, the present embodiment method comprises the steps:
Step 601:BM-SC sends session and begins request message to MBMS-GW.
With step 401, in this step, session begins request message and has indicated the MBMS business to be about to begin, and provides the attribute information of MBMS session, this message to comprise the IPmulticast address of MBMS, Qos information, MBMS scope of business information, session identification, session persistence, MBMS controls nodal information, waits for the minimum time of first Packet Generation.
Need to prove, this session begins request message and also comprises station location marker.For station location marker, this station location marker is included in the MBMS packet, has shorter information to represent concrete positional information, such as thinking LI-1 etc.; The station location marker correspondence concrete positional information, this corresponding relation can be to be pre-configured on each MBMS transmission node, for example be configured in MBMS-GW, MCE, on the base station, perhaps, this corresponding relation is to be configured on the BM-SC in message, begins request message by BM-SC by session and is carried on each MBMS transmission node.Carry this corresponding relation if begin request message by session, that message also needs to comprise concrete positional information, describe such as background knowledge, concrete positional information can be the description in concrete geographical position, perhaps is the description of one group of residential quarter, or other description for example, one group of Tracking Area Identifier (RAI), or one group of coverage sign (SAI), station location marker and more specific location information are one to one.
Also it should be noted that, in this step, this session begins the specifying information that request message can comprise a plurality of station location markers and a plurality of positions, is as the criterion with the realization that does not affect the embodiment of the invention.
Step 602:MBMS-GW sends session and begins response message to BM-SC, and message comprises downlink data and receives Tunnel Identifier, and this message authentication has received that session begins request message.
" session begins request message to MME in step 603:MBMS-GW transmission.
Similarly, in this step, session begins the IP multicast address that request message also comprises MBMS, Qos information, and MBMS scope of business information, session identification, is waited for the minimum time of first Packet Generation at session persistence.
Further, this session begins the specifying information that request message also comprises station location marker and position.
Step 604:MME sends session and begins response message to MBMS-GW, begins request message to have acknowledged receipt of session.
Step 605:MME sends session and begins request message to MCE.
This session begins the IP multicast address that request message also comprises MBMS, Qos information, and MBMS scope of business information, session identification, session persistence, wait for the minimum time of first Packet Generation, and station location marker, the specifying information of position.
Step 606:MCE sends session and begins response message to MME, begins request message with the session that has acknowledged receipt of the MME transmission.
The concrete positional information that step 607:MCE begins to comprise in the request message by message session, if do not comprise concrete positional information, the station location marker that MCE begins to comprise in the request message by message session, by being pre-configured in station location marker on the MCE and the corresponding relation of concrete positional information, find to send session behind the corresponding base station and begin request message to the base station of correspondence.
This session begins the IP multicast address that request message also comprises MBMS, Qos information, and MBMS scope of business information, session identification, session persistence, wait for the minimum time of first Packet Generation, and station location marker, the specifying information of position.
Step 608: the base station sends session and begins response message and acknowledged receipt of session to MCE and begin request message.
Step 609:MCE initiates user's statistic processes.
In this step, user's statistic processes is in UE connection mode and that want to receive the MBMS data for statistics.Its concrete statistical method has been prior art, repeats no more.
Need to prove, the operation of this step is carried out after step 607 or before the step 607.
Step 610:MCE sends MBMS schedule information configuration messages to the base station.
This information configuration the information that will transmit on the MCCH, message comprises the configuration information of configuration information, PMCH of MBSFN subframe and the MBMS sign that PMCH carries above.Further, this message also comprises this professional corresponding station location marker.
Step 611: the base station sends MBMS schedule information configuration response message to MCE.
Step 612: the base station sends the session start information to UE, by upgrading the MBMS service configuration information notice UE of MCCH carrying.
The MBMS service configuration information comprises the configuration information of MBSFN subframe, the configuration information of PMCH and the MBMS sign that PMCH carries above.Configuration information also comprises station location marker.
Step 613: the base station adds IP Multicast user group, set up and MBMS-GW between user plane, and send user data in the time of user plane indication.
Step 614:BM-SC sends packet to MBMS-GW, and then MBMS-GW forwarding data bag is given the base station that joins this professional IP Multicast group, by the base station the needed data of corresponding UE is sent to UE.
So far, namely finished the whole workflow of the described broadcast service data transmission method of the present embodiment.Can find out from above-mentioned flow process, in the present embodiment, if the MBMS business sends different contents in zones of different, but they share an IP Multicast address, the base station of zones of different has all joined this IP Multicast group, therefore, and when MBMS-GW sends going out of packet, it sends business data packet to all base stations that join the IPMulticast group, does not distinguish these business for which position.Wherein packet comprises packet header and payload two parts, and packet header has comprised control information, and payload has comprised business datum, and control information has comprised station location marker, has indicated payload for which position.The corresponding relation of station location marker and concrete positional information can be pre-configured in each MBMS node, perhaps is transferred to each MBMS node from BM-SC.When packet is received in the base station, by the station location marker in the control information of checking packet, corresponding relation according to station location marker and concrete positional information, judge whether concrete position corresponding to this packet has comprised this base station, if, keep this packet, if not, abandon this packet.Then packet is sent to UE by air interface.
Embodiment three
The described method of the present embodiment is the base station that MBMS-GW sends to the data of diverse location information correspondence position, specifically can be referring to method schematic diagram shown in Figure 7.As shown in Figure 7, the method comprises:
Step 701:BM-SC sends the data of MBMS business to MBMS-GW, and data comprise station location marker;
Step 702:MBMS-GW sends this data according to the station location marker of packet indication to the base station of the correspondence that joins this IPmulticast group.
Wherein, different data receiver tunnel Taoist monastic names has been used in the base station of diverse geographic location, and MBMS-GW issues corresponding base station to data according to the station location marker of packet indication;
Step 703: base station broadcast is with data corresponding to this base station geographic position.
The business datum that base station broadcast is received, the data of receiving namely are with data corresponding to this base station geographic position.
So far, namely can realize the described broadcast service data transmission of the present embodiment, concrete workflow can be referring to Fig. 8.As shown in Figure 8, the present embodiment method comprises the steps:
Step 801:BM-SC sends session and begins request message to MBMS-GW.
With step 401, in this step, session begins request message and has indicated the MBMS business to be about to begin, and provides the attribute information of MBMS session, this message to comprise the IPmulticast address of MBMS, Qos information, MBMS scope of business information, session identification, session persistence, MBMS controls nodal information, waits for the minimum time of first Packet Generation.
Need to prove, this session begins the specifying information that request message also comprises station location marker and position.For station location marker, can be LI-1 etc.; For the specifying information of position, can be Cell-1 to Cell-100 etc.
Also it should be noted that, in this step, this session begins the specifying information that request message can comprise a plurality of station location markers and a plurality of positions, is as the criterion with the realization that does not affect the embodiment of the invention.
Step 802:MBMS-GW sends session and begins response message to BM-SC, begins request message to have acknowledged receipt of session, and message comprises the tunnel Taoist monastic name that downlink data receives.
Step 803:MBMS-GW sends session and begins request message to MME.
Similarly, in this step, session begins the IP multicast address that request message also comprises MBMS, Qos information, and MBMS scope of business information, session identification, is waited for the minimum time of first Packet Generation at session persistence.
Need to prove, this session begins request message and also comprises station location marker.For station location marker, this station location marker is included in the MBMS packet, has shorter information to represent concrete positional information, such as thinking LI-1 etc.; The station location marker correspondence concrete positional information, this corresponding relation can be to be pre-configured on each MBMS transmission node, for example be configured in MBMS-GW, MCE, on the base station, perhaps, this corresponding relation is to be configured on the BM-SC in message, begins request message by BM-SC by session and is carried on each MBMS transmission node.Carry this corresponding relation if begin request message by session, that message also needs to comprise concrete positional information, concrete positional information is described such as background knowledge, can be the description in concrete geographical position, it perhaps is the description of one group of residential quarter, or other description, for example, one group of Tracking Area Identifier (RAI), or one group of coverage sign (SAI), station location marker and more specific location information are one to one.
Step 804:MME sends session and begins response message to MBMS-GW, begins request message to have acknowledged receipt of session.
Step 805:MME transmits session and begins request message to MCE.
Step 806:MCE sends session and begins response message to MME, begins request message to have acknowledged receipt of session.
Step 807:MCE finds corresponding base station by the concrete positional information that message session begins to comprise in the request message; If do not comprise concrete positional information, the station location marker that MCE begins to comprise in the request message by message session, by being pre-configured in station location marker on the MCE and the corresponding relation of concrete positional information, find to send session behind the corresponding base station and begin request message to the base station of correspondence.
This session begins the IP multicast address that request message also comprises MBMS, Qos information, and MBMS scope of business information, session identification, session persistence, wait for the minimum time of first Packet Generation, and station location marker, the specifying information of position.
Further, in this step, MCE is the different data receiver tunnel Taoist monastic name of base station assigns according to station location marker.The base station that station location marker is identical is assigned with identical DL TEID, and the different base station of station location marker is assigned with different DL TEID, and MCE is included in session to the DL TEID that distributes and begins to send in the request message base station.
Step 808: the base station sends session and begins response message to MCE, begins request message to have acknowledged receipt of session.
Step 809:MCE initiates user's statistic processes.
User's statistics is in UE connection mode and that want to receive the MBMS data for statistics.It adopts existing statistical method, repeats no more.
Need to prove, the operation of this step is carried out after step 807 or before the step 807.
Step 810:MCE sends MBMS schedule information configuration messages to the base station.
MBMS schedule information configuration messages has configured the information that will transmit at MCCH, comprises the configuration information of MBSFN subframe, the configuration information of PMCH and the MBMS sign that PMCH carries above.Further, this message also comprises this professional corresponding station location marker.
Step 811: the base station sends MBMS schedule information configuration response message to MCE.
Step 812: the base station sends MBMS session start information to UE, by upgrading the MBMS service configuration information notice UE of MCCH carrying.
The MBMS service configuration information comprises the configuration information of MBSFN subframe, the configuration information of PMCH and the MBMS sign that PMCH carries above.Configuration information also comprises station location marker.
Step 813: the base station adds IP Multicast user group, set up and MBMS-GW between.
User plane 813 step time of origins do not have absolute precedence relationship with 814.
Step 814:MCE is for the corresponding relation between the downlink tunnel of base station assigns number and the station location marker sends to MME, and this downlink tunnel number is the tunnel Taoist monastic name that the base station receives the MBMS data.
Step 815:MME is sending to MBMS-GW for the corresponding relation between the downlink tunnel of base station assigns number and the station location marker.
Step 816:BM-SC sends packet to MBMS-GW, and then MBMS-GW forwarding data bag is given the base station that joins this professional IP Multicast group, by the base station the needed data of corresponding UE is sent to UE.
Packet comprises packet header and payload two parts, and packet header comprises control information, and the packet header payload has comprised the MBMS data, and control information has comprised station location marker, has indicated payload for which position.When the base station adds the IP Multicast group of MBMS-GW, different data receiver tunnel Taoist monastic names has been indicated in the base station of diverse location, MBMS-GW is by the station location marker of control information the inside, with above station location marker and the tunnel Taoist monastic name of base station receive data, the base station of package forward to correspondence.
So far, namely finished the whole workflow of the described broadcast service data transmission method of the present embodiment.
Embodiment four
The present embodiment be by BM-SC with having set up a plurality of user planes by different session establishment processes between the MBMS-GW, transmit different data contents, specifically can be referring to method schematic diagram shown in Figure 9.As shown in Figure 9, the method comprises:
Step 901:BM-SC sends the data of MBMS business of diverse geographic location to MBMS-GW by different user plane, data comprise station location marker.
In this step, BM-SC sends the data of MBMS business to MBMS-GW, and the excessively different user plane of the data communication device of diverse geographic location sends;
Step 902:MBMS-GW sends this data according to the station location marker of packet indication to the base station of the correspondence that joins this IPMulticast group.
In this step, MBMS-GW sends this data to the base station that joins this IP Multicast group.Wherein, different data receiver tunnel Taoist monastic names has been used in the base station of diverse geographic location, and MBMS-GW issues corresponding base station to data according to the station location marker of packet indication;
Step 903: base station broadcast is received with data corresponding to this base station geographic position.
The business datum that base station broadcast is received, the data of receiving namely are with data corresponding to this base station geographic position.
So far, namely can realize the described broadcast service data transmission of the present embodiment, concrete workflow can be referring to Figure 10.As shown in figure 10, the present embodiment method comprises the steps:
Step 1001:BM-SC sends session and begins request message to MBMS-GW.
With step 401, in this step, session begins request message and has indicated the MBMS business to be about to begin, and provides the attribute information of MBMS session, this message to comprise the IPmulticast address of MBMS, Qos information, MBMS scope of business information, session identification, session persistence, MBMS controls nodal information, waits for the minimum time of first Packet Generation.
Need to prove, this session begins request message and also comprises station location marker.For station location marker, this station location marker is included in the MBMS packet, has shorter information to represent concrete positional information, such as thinking LI-1 etc.; The station location marker correspondence concrete positional information, this corresponding relation can be to be pre-configured on each MBMS transmission node, for example be configured in MBMS-GW, MCE, on the base station, perhaps, this corresponding relation is to be configured on the BM-SC in message, begins request message by BM-SC by session and is carried on each MBMS transmission node.Carry this corresponding relation if begin request message by session, that message also needs to comprise concrete positional information, concrete positional information is described such as background knowledge, can be the description in concrete geographical position, it perhaps is the description of one group of residential quarter, or other description, for example, one group of Tracking Area Identifier (RAI), or one group of coverage sign (SAI), station location marker and more specific location information are one to one.This message only comprises a geographical position sign, and perhaps, this this message only comprises a geographical position sign and its corresponding particular geographic location information.
Step 1002:MBMS-GW sends session and begins response message to BM-SC, begin request message to have acknowledged receipt of session, and this message has comprised the DLTEID of MBMS-GW for this traffic assignments, because to different geographical position, BM-SC has initiated a plurality of session establishment processes, to each conversation procedure, MBMS-GW distributes a DL TEID, namely MBMS-GW be diverse geographic location data allocations different DL TEID.
Step 1003:MBMS-GW sends session and begins request message to MME.
Similarly, in this step, session begins the IP multicast address that request message also comprises MBMS, Qos information, and MBMS scope of business information, session identification, is waited for the minimum time of first Packet Generation at session persistence.
Further, this session begins the specifying information that request message also comprises station location marker and position.
Step 1004:MME sends session and begins response message to MBMS-GW, has acknowledged receipt of session and has begun request message.
Step 1005:MME sends session and begins request message to MCE.
This session begins the IP multicast address that request message also comprises MBMS, Qos information, and MBMS scope of business information, session identification, session persistence, wait for the minimum time of first Packet Generation, and station location marker, the specifying information of position.
Step 1006:MCE sends session and begins response message to MME, begins request message to have acknowledged receipt of session.
Step 1007:MCE finds corresponding base station by the concrete positional information that message session begins to comprise in the request message; If do not comprise concrete positional information, the station location marker that MCE begins to comprise in the request message by message session, by being pre-configured in station location marker on the MCE and the corresponding relation of concrete positional information, find to send session behind the corresponding base station and begin request message to the base station of correspondence.
This session begins the IP multicast address that request message also comprises MBMS, Qos information, and MBMS scope of business information, session identification, session persistence, wait for the minimum time of first Packet Generation, and station location marker, the specifying information of position.
Further, in this step, MCE is the identical DLTEID of the identical base station assigns of station location marker, the different DL TEID of base station assigns that station location marker is different, and the DL TEID that distributes is included in session begins to send in the request message base station, this DL TEID is used for receiving the MBMS data.
Step 1008: the base station sends session and begins response message to MCE, begins request message to have acknowledged receipt of session.
Step 1009:MCE initiates user's statistic processes.
User's statistic processes is in UE connection mode and that want to receive the MBMS data for statistics.It adopts existing statistical method, repeats no more.
Need to prove, the operation of this step is carried out after step 1007 or before the step 1007.
Step 1010:MCE sends MBMS schedule information configuration messages to the base station.
MBMS schedule information configuration messages has configured will be in the information of MCCH transmission, and this message comprises the configuration information of MBSFN subframe, the configuration information of PMCH and the MBMS sign that PMCH carries above.Further, this message also comprises this professional corresponding station location marker.
Step 1011: the base station sends MBMS schedule information configuration response message to MCE.
Step 1012: the base station sends session and begins solicited message to UE, by upgrading the MBMS service configuration information notice UE of MCCH carrying.
The MBMS service configuration information comprises the configuration information of MBSFN subframe, the configuration information of PMCH and the MBMS sign that PMCH carries above.Configuration information also comprises station location marker.
Step 1013: the base station adds IP Multicast user group, set up and MBMS-GW between user plane.
Step 1014:MCE is sending to MME for the corresponding relation between the DL TEID of base station assigns and the station location marker.
Step 1015:MME sends to MBMS-GW to the DL TEID that distributes and the corresponding relation between the station location marker.
Step 1016:BM-SC sends packet to MBMS-GW, and the excessively different user-plane transmissions of the data communication device of diverse location arrives MBMS-GW, MBMS-GW forwarding data bag is given the base station that joins this professional IP Multicast group, by the base station the needed data of corresponding UE is sent to UE.
Because MBMS-GW has known the corresponding relation between DL TEID and the station location marker, also know and BM-SC between set up different user plane (being that MBMS-GW has distributed different DL-TEID) for the data of diverse location, MBMS-GW has just known that different user planes is with the corresponding relation between the TEID of base station down data receiver, therefore can directly give the base station of response the package forward that receives from different user planes, and then by the base station MBMS data of receiving be sent to UE.
So far, namely finished the whole workflow of the described broadcast service data transmission method of the present embodiment.
In a word, broadcast service data transmission method of the present invention is by send being sent the MBMS data by BM-SC to MBMS-GW, and these data comprise the station location marker at data place; MBMS-GW sends the data to the base station in the IP Multicast group; According to station location marker the data of the diverse geographic location that receives are filtered or the data of the diverse geographic location that receives are filtered or the data of diverse geographic location filtered or directly the data of diverse geographic location are filtered by BM-SC according to the different receive data tunnel Taoist monastic name station location marker of base station by MBMS-GW according to its station location marker by the base station by UE, thereby so that UE can receive needed data itself.Use broadcast service data transmission method of the present invention, can realize that a business is in the different content of identical MBSFN regional broadcast.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (12)
1. a broadcast service data transmission method is characterized in that, the method comprises:
Broadcast multicast services center BM-SC sends multimedia multicast broadcasting service MBMS data to multimedia multicast broadcasting service gateway MBMS-GW, and data comprise station location marker;
MBMS-GW sends this data to the base station that joins Internet Protocol multicast IP Multicast group;
The data that base station broadcast receives, the data of broadcasting are the data of a plurality of or all station location markers.
2. a broadcast service data transmission method is characterized in that, the method comprises:
Broadcast multicast services center BM-SC sends multimedia multicast broadcasting service MBMS data to multimedia multicast broadcasting service gateway MBMS-GW, and data comprise station location marker;
MBMS-GW sends this data to the base station that joins Internet Protocol multicast IP Multicast group;
The base station is selected from the data that receive with data corresponding to own geographical position and is broadcasted.
3. method according to claim 2 is characterized in that, different data receiver tunnel Taoist monastic names is used in the base station of diverse geographic location, and described MBMS-GW issues corresponding base station to data according to the station location marker of packet indication.
4. a broadcast service data transmission method is characterized in that, the method comprises:
Broadcast multicast services center BM-SC sends multimedia multicast broadcasting service MBMS data to multimedia multicast broadcasting service gateway MBMS-GW, and data comprise the station location marker at data place;
MBMS-GW is according to the station location marker of the packet indication base station selected transmission data to the correspondence that joins Internet Protocol multicast IPmulticast group;
The data that base station broadcast receives.
5. method according to claim 4 is characterized in that, different data receiver tunnel Taoist monastic names is used in the base station of diverse geographic location, and described MBMS-GW selects data are issued corresponding base station according to the station location marker of packet indication.
6. a broadcast service data transmission method is characterized in that, the method comprises:
The multimedia multicast broadcasting service MBMS data that broadcast multicast services center BM-SC sends diverse geographic location by different user plane are to multimedia multicast broadcasting service gateway MBMS-GW, and data comprise the station location marker at data place;
MBMS-GW sends this data according to the station location marker of packet indication to the base station of the correspondence that joins Internet Protocol multicast IPMulticast group;
The data that base station broadcast receives.
7. method according to claim 6 is characterized in that, different data receiver tunnel Taoist monastic names is used in the base station of diverse geographic location, and described MBMS-GW selects data are issued corresponding base station according to the station location marker of packet indication.
8. a broadcast service data transmission method is characterized in that, the method comprises:
Broadcast multicast services center BM-SC sends session and begins request message to multimedia multicast broadcasting service gateway MBMS-GW, and this session begins request message and comprises station location marker;
MBMS-GW begins request message with described session and sends to mobile management entity MME;
MME sends described session and begins request message to many cell/multicasts coordination entity MCE;
MCE begins the base station that request message sends to multimedia broadcasting unifrequency network MBSFN scope with described session.
9. method according to claim 8 is characterized in that, described session begins the specifying information that request message also comprises the position.
10. a broadcast service data transmission method is characterized in that, the method comprises:
Broadcast multicast services center BM-SC sends session and begins request message to multimedia multicast broadcasting service gateway MBMS-GW, and this session begins request message and comprises station location marker;
MBMS-GW begins request message with described session and sends to mobile management entity MME;
MME sends described session and begins request message to many cell/multicasts coordination entity MCE;
MCE begins request message with described session and sends to the corresponding base station of station location marker that session begins to comprise in the request message.
11. method according to claim 10 is characterized in that, described session begins the specifying information that request message also comprises the position.
12. method according to claim 11 is characterized in that, the method also comprises:
MCE is the different multimedia broadcast-multicast service MBMS data receiver tunnel Taoist monastic name of the base station assigns of diverse location, and the corresponding relation between data receiver tunnel Taoist monastic name and this station location marker is sent to MME;
MME sends to MBMS-GW with the corresponding relation between described data receiver tunnel Taoist monastic name and this station location marker.
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