CN102448015B - The method of counting of a kind of MBMS and system - Google Patents
The method of counting of a kind of MBMS and system Download PDFInfo
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- CN102448015B CN102448015B CN201010503567.2A CN201010503567A CN102448015B CN 102448015 B CN102448015 B CN 102448015B CN 201010503567 A CN201010503567 A CN 201010503567A CN 102448015 B CN102448015 B CN 102448015B
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Abstract
The invention discloses the method for counting of a kind of multimedia broadcast multicast (MBMS) business and system, method includes: core network element sends message to access network elements, indicates MBMS the need of counting and/or whether can deexcitation in this message; Access network elements is according to the instruction in this message, it is determined whether perform the counting to MBMS and/or deexcitation processes. By the present invention, meet the operator's various count requirement to MBMS, and simplify as far as possible and realize flow process, decrease the complexity that network element processes.
Description
Technical field
The present invention relates to multimedia broadcast multicast (MBMS, MultimediaBroadcastMulticastService) technical field, particularly relate to method of counting and the system of a kind of MBMS.
Background technology
At Long Term Evolution (LTE, LongTermEvolution) in system, MBMS adopts multimedia broadcast-multicast service SFN, and (MBSFN, MultimediaBroadcastmulticastserviceSingleFrequencyNetwor k) mode is transmitted. So-called MBSFN mode is the mode that a kind of multi-plot joint sends, namely the community in certain geographical position all sends identical MBMS data on identical time and frequency resource, and namely this certain geographical position is called MBSFN region (MBSFNarea). So, in whole MBSFN region, from the electric wave signal corresponding to the data that each community sends will natural superposition, thus by a relatively large margin improve signal intensity.
The relation of MBSFNarea and community is: a MBSFNarea comprises one or more community. One community may belong to one or more MBSFNarea. In one cell, MBSFNarea MBSFNareaID uniquely identifies.
For each MBSFNarea, community configures one or more Physical Multicast Channel (PMCH, PhysicalMulticastChannel) for it, for carrying control information and the business datum of this MBSFNarea. Wherein, control message and include channel configuration and service configuration information, be carried on logic channel, i.e. multicast control channel (MCCH, MulticastControlChannel). MCCH is carried on transmission channel, i.e. Multicast Channel (MCH, MulticastChannel), and then is carried on PMCH. Each MBSFNarea its special MCCH corresponding and carry MCCH message thereon.
The transmission of MCCH message relates to two cycles, and one is the amendment cycle, and it is two for transmission cycle or repetition period, and wherein, the amendment cycle comprises one or more repetition period. In the time-frequency domain resources specified within each repetition period, network side sends MCCH message, and this MCCH message its content within an amendment cycle remains unchanged, say, that the MBMS message content sent in its repetition period comprised is identical.
In the prior art, above-mentioned MCCH message at least includes: the resource allocation information of Logic Channel Identifier (LCID, LogicalChannelID) corresponding to the mark of bearing MBMS service, MBMS and the mapping relations of MCH, MBMS, PMCH channel and MCH channel and the map information of business and channel.
The bearing mode of MBMS is as follows: a MBMS is carried on a Logical Traffic Channels (MTCH, MulticastTrafficChannel), one or more MTCH are carried on a MCH, and the different MTCH LCID carrying identical MCH distinguish; One MCH is carried on a PMCH.
Consider that MBMS broadcasting service is the broadcast for MBSFN region, improve the angle of resource efficiency from operator exist and need the demand of the reception condition of a specific MBMS in statistics MBSFN region. It is to say, operator is it is to be appreciated that at special time, if having user and receiving certain specific MBMS. Operator can, according to the situation in a community or a MBSFN district intra domain user reception MBMS, decide whether to continue to send this MBMS in this community or MBSFN region. Receiving without user, network can stop or temporarily stopping at wave point and send this business, to improve the service efficiency of Radio Resource.
Above-mentioned align afoot MBMS stop at wave point send method, be called deexcitation, corresponding process is called deactivation process. The business recovery of deactivation status being sent at wave point, is called activation, corresponding process is called activation process.
In the prior art, above-mentioned MBMS is set up, counting and activation/deactivation process relate to network element and method describe as follows:
As it is shown in figure 1, the broadcast multicast service center of core net (BMSC, BroadcastMulticastserviceCenter), it is used for managing MBMS, including the beginning of MBMS, stopping and renewal process. Other network element includes: the MBMS gateway (MGW of core net, MBMSGateway), the Mobility Management Entity (MME of core net, MobilityManagementEntity), the base station (eNB) of the multiple cell multicast coordination entity (MCE, Multi-cell/multicastCoordinationEntity) of Access Network, Access Network. In figure, solid line represents the connection of chain of command message, and dotted line represents business datum carrying.
Business as shown in Figure 2 is set up in process, first BMSC initiates session establishment (MBMSSessionStart) process of a MBMS, and indicate the Temporary Mobile Group Identity (TMGI, TemporaryMobileGroupIdentity) of business and the mark (SessionIdentity) of session. BMSC sends MBMS session establishment request (MBMSSessionStartRequest) message and sets up context to MGW, MGW for this business, and sends this message to the MME in downstream; MME sets up context for this business, and constructs MBMSSessionStartRequest message and be sent to MCE downstream; MBMSSessionStartRequest message is sent to the eNB at place, community corresponding for the MBSFNarea needing to send this business by MCE, this message comprises the carrying address of the business datum of this business, and eNB sets up the user plane bearer receiving this business datum according to this carrying address. At wave point, eNB updates MCCH message, comprises the TMGI of this business in this MCCH message, with the configuration information of indicating user terminal (UE, UserEquipment) this business;ENB be the wireless interface resource that this traffic assignments is necessary, prepares to start to send this business at wave point.
When business stops sending, BMSC initiates session and stops (MBMSSessionStop) process, and this process is similar with session start process, and above-mentioned network element discharges the context of this business successively, and is released to the resource of this traffic assignments.
For realizing the purpose of counting, eNB indicates UE to report the reception state to a specific transactions by MCCH message; If the UE receiving this MCCH message is receiving this business, or stops have received this business, its business can be fed back to eNB and receive state. The number of the UE receiving specific transactions counted on or the information whether existed can be sent to MCE by eNB; This business can be further processed by MCE according to the result of counting, and described process includes: MCE coordinates each eNB and business activated or the process of deexcitation.
Above-mentioned method of counting is only applicable to the business having built up, the described business having built up refers to: core network element has been triggered this business and has set up, core net and Access Network have been set up the context of this business, and it is assigned with the bearing resource of ground and/or wave point for it, and in the control signaling of wave point, more specifically in MCCH, indicate the service identification TMGI of business of changing trade.
But in practical application, operator there is also following demand:
Demand one: to some MBMS, operator wishes first to know whether there is UE reception interested, then just decides whether to start this MBMS. It is to say, operator wishes before a service conversation starts, can just will appreciate that the statistics number of the UE receiving this business.
For above-mentioned demand one, there is following problem in prior art: to but without the MBMS initiating session start, MCE and the eNB of Access Network does not have approach to obtain its service identification, thus cannot indicate this service identification at wave point yet; And the process that UE is declared by certain business, it is possible to obtain the service identification of its reception interested; If Access Network can not indicate this service identification, and indicate this service needed of UE to carry out the words of " counting " process, so UE can not be passed through the business service identification known of statement and combined with the MCCH information indicated, thus required counting statistics process cannot be completed.
Demand two: some business is not required to counting, operator can be known that these business have substantial amounts of user and receive in advance, for instance the programme televised live of world cup.
Demand three: to some business, operator, without wishing to the process that it has deexcitation, however it is necessary that its viewership information counting to obtain this business.
In existing message, core network element (such as BMSC) can pass through chain of command message, indicates a MBMS the need of counting, but this chain of command message triggers the foundation of carrying of ground and wave point simultaneously; Meanwhile, also without the information being explicitly indicated a business and whether can carrying out at wave point deexcitation and activation in existing message. Therefore, in the urgent need to proposing a kind of solution for MBMS, to meet above-mentioned various demands.
Summary of the invention
In view of this, present invention is primarily targeted at method of counting and system that a kind of MBMS is provided, to realize the core net control access network element counting to business.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
The invention provides the method for counting of a kind of multimedia broadcast multicast (MBMS) business, the method includes:
Core network element sends message to access network elements, described message indicate MBMS the need of counting, wherein, described core network element by sending the MBMS session start request message of extension to access network elements, indicating described MBMS the need of counting, the MBMS session start request message instruction of described extension is not required to be described MBMS and sets up Deta bearer;
Access network elements is according to the instruction in described message, it is determined whether perform the counting of described MBMS is processed.
The method farther includes:
Described core network element, by sending MBMS session start request message or MBMS session updates message to access network elements, indicates described MBMS the need of counting.
Sending the MBMS session start request message of extension at core network element to access network elements, after indicating described MBMS to need counting, the method farther includes:
Described access network elements performs the counting of described MBMS is processed, and gives described core network element by count results by chain of command information reporting, and indicates described access network elements to need to send the business datum of described MBMS in described chain of command message;
After described core network element receives chain of command message, if it is determined that the MBMS session start request message of described extension carries the carrying information of business datum, then indicates business datum to start to send to described access network elements;
After described core network element receives chain of command message, if it is determined that the MBMS session start request message of described extension is not carried the carrying information of business datum, then the carrying information of the business datum of described MBMS is sent to described access network elements; Described access network elements sets up ground loading and the radio bearer of described MBMS according to the carrying information of the business datum received.
The message that described core network element sends to access network elements is also carried the time range information of indication counter.
Present invention also offers the number system of a kind of MBMS, this system includes: core network element and access network elements, wherein,
Described core network element, for sending message to access network elements, described message indicate MBMS the need of counting, described core network element is further used for, by sending the MBMS session start request message of extension to access network elements, indicating described MBMS the need of counting, wherein, the MBMS session start request message instruction of described extension is not required to be described MBMS and sets up Deta bearer;
Described access network elements, for according to the instruction in described message, it is determined whether perform the counting of described MBMS is processed.
Described core network element is further used for, and by sending MBMS session start request message or MBMS session updates message to access network elements, indicates described MBMS the need of counting.
The MBMS session start request message of extension is sent to access network elements at core network element, after indicating described MBMS to need counting,
Described access network elements is further used for, perform the counting of described MBMS is processed, and give described core network element by count results by chain of command information reporting, and described chain of command message indicate described access network elements need to send the business datum of described MBMS;
Described core network element is further used for, after receiving chain of command message, if it is determined that carries the carrying information of business datum in the MBMS session start request message of described extension, then indicates business datum to start to send to described access network elements;
If it is determined that the MBMS session start request message of described extension is not carried the carrying information of business datum, then the carrying information of the business datum of described MBMS is sent to described access network elements; Accordingly, described access network elements sets up ground loading and the radio bearer of described MBMS according to the carrying information of the business datum received.
The message that described core network element sends to access network elements is also carried the time range information of indication counter.
The method of counting of a kind of MBMS provided by the present invention and system, core network element can control this business the need of counting, and the need of setting up ground loading, and the result according to counting triggers the foundation setting up service bearer. By the invention it is possible to meet the operator's various count requirement (demand one, two, three in background technology) to MBMS, and simplify as far as possible and realize flow process, decrease the complexity that network element processes.
Accompanying drawing explanation
Fig. 1 is the network architecture schematic diagram of MBMS in prior art;
Fig. 2 is the session establishment flow chart of MBMS in prior art;
Fig. 3 is the method for counting flow chart of MBMS in the embodiment of the present invention one;
Fig. 4 is the method for counting flow chart of MBMS in the embodiment of the present invention two;
Fig. 5 is the method for counting flow chart of MBMS in the embodiment of the present invention three;
Fig. 6 is the method for counting flow chart of MBMS in the embodiment of the present invention four.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.
The method of counting of a kind of MBMS provided by the present invention, mainly includes following operation:
Step 1, core network element sends message to access network elements, indicates MBMS the need of counting in this message.
Described MBMS can be the MBMS having started to, it is also possible to be the MBMS not started. The MBMS that what is called has started to refers to, this business sets up ground loading already by MBMSSessionStart process or this business sets up ground loading by MBMSSessionStart process; The so-called MBMS not started refers to, in a period of time, this business only needs to count, without ground loading and the empty port load-supporting of setting up business.
Wherein, for the MBMS having started to, core network element can pass through to send MBMS session start request message or MBMS session updates message to access network elements, and the MBMS having started to described in instruction is the need of counting.
For the MBMS not started, described core network element can pass through to send the MBMS session start request message of extension to access network elements, and the MBMS not started described in instruction is the need of counting; And the MBMS session start request message instruction of described extension be not required to be described in the MBMS that do not start set up Deta bearer.
Step 2, access network elements is according to the instruction in this message, it is determined whether perform the counting of described MBMS is processed.
Below in conjunction with specific embodiment, the method for counting of the MBMS of the present invention is further elaborated on.
Embodiments of the invention one are for the MBMS having begun to, and core network element indicates whether need counting and/or whether can stop sending at wave point the implementation of (Deactive) this business.
As it is shown on figure 3, core network element BMSC initiates the session start flow process of MBMS, send MBMS session start request (MBMSSessionStartRequest) message, carry the instruction whether counted within the message. Above-mentioned MBMSSessionStartRequest message, through the process of core network element MGW, MME, is sent to the MCE of Access Network. MCE is handled as follows according to the information carried in this message:
If carrying, in above-mentioned MBMSSessionStartRequest message, the instruction whether counted, then MCE is in this business in wave point transmission process, according to whether the instruction of counting, decides whether to trigger the counting process of this business;
Optionally, can also carrying time range (TimeInterval or the Duration) information of indication counter in above-mentioned MBMSSessionStartRequest message, this time range information indicates the time range that access network elements needs counting to process. This time range information can be the absolute time length that counting processes, it is also possible to is the initial time and the end time that include counting. Access network elements within the time period specified by above-mentioned time range information, the process that this business is counted.
It is pointed out that the above-mentioned instruction whether counted can also be carried in MBMS session updates (MBMSSessionUpdate) message. BMSC carries out in process in above-mentioned MBMS session, initiates MBMS session updates process, to indicate access network elements to operate accordingly according to the above-mentioned instruction whether counted.
Embodiments of the invention two are the counting indicators for the MBMS not started to. As shown in Figure 4, core network element BMSC initiates chain of command message, carries the service identification (TMGI) needing to carry out counting in this message, and this message is used for indicating access network elements that this business is counted.
This chain of command message is sent to access network elements after core network element processes one by one, and described core network element includes MGW and MME, and described access network elements includes MCE and eNB. Concrete, this chain of command message is sent to MGW, MGW and forwards the message to that MME, the MME of its subordinate relay to the MCE of its subordinate by BMSC. MCE, according to the chain of command message received, triggers the eNB belonging to the community managing described service area and initiates count control information at wave point.
Above-mentioned chain of command message, it is preferred that have following several ways:
Mode one: the MBMS session start in existing protocol is asked the extension of (MBMSSessionStartRequest) message, indicates flip-flop number within the message, without setting up service bearer or sending business datum to user terminal. After MCE transmits the message to eNB, eNB will not set up ground or empty port load-supporting for this business.
MCE triggers eNB and initiates counting process, concrete, and eNB indicates this business (TMGI mark) to need to count in the MCCH message of wave point. Following table gives the definition that existing MBMSSessionStartRequest message is extended:
Table 1
In upper table, MBMSCountingOnly cell is the instruction whether counting (counting) in this MBMSSessionStartRequest message, if this cell is designated as very, then MCE, eNB would know that being not necessary for this business sets up Deta bearer, and ignore the cell that carrying is relevant, namely go up the TNLInformation in table.
In upper table, the CountingDuration cell instruction persistent period to this service counting, say, that in this CountingDuration time span indicated, this business is counted by access network elements; After exceeding this persistent period, access network elements need not count again.
Wherein, CountingDuration can be the absolute time length that counting processes, it is also possible to be include initial time and the end time that counting processes.
Accordingly, BMSC can initiate MBMSSessionStop process, stops above-mentioned service counting operation.
Mode two: increase specific messages in existing protocol, for the instruction of above-mentioned count information. This specific messages at least includes following information: the mark TMGI of business, service region information (servicearea).Optionally, including statistical duration (CountingDuration), it is also possible to include the information of business datum carrying. Following table gives the definition of this specific messages:
Table 2
If this message carries statistical duration (CountingDuration), then MCE counts within this persistent period; If this message carries the information that business datum carrying is relevant, namely MBMSE-RABQoSparameters and TNLInformation information, then access network elements preserves these information.
Accordingly, existing protocol increases message, stop this business counting at Access Network for BMSC instruction. Access network elements will stop the counting of this business, and discharges the context of this business.
Optionally, access network elements can carry the object information of counting to core network element. This object information can be: statistical result in a period of time, average statistics result, maximum statistical result, indicates whether the result needing to send according to statistical result or carries statistical result and result temporal information corresponding to statistical result.
Embodiments of the invention three are for the processing method after business is counted, and send the MBMSSessionStartRequest message of extension to access network element based on BMSC in embodiment two, and carry this premise of instruction whether counted within the message.
As it is shown in figure 5, after counting according to the method for embodiment two, MCE adds up the count results of each eNB, and reports this count results to BMSC. Concrete, MCE initiates chain of command message S4-1, and instruction access network element needs to send the business datum of this business.
In the above-mentioned MCE message S4-1 initiated, it is also possible to carry: need to send the service area information (MBMSServiceArea) of business datum.
BMSC receives this message S4-1, it is possible to carry out the process of one of the following two kinds mode:
If 1 in the aforementioned BMSC MBMSSessionStartRequest message sent, carry the carrying information of business datum, then the transmission message S4-2 that BMSC can show is to MCE, and instruction business datum starts to send. This message can also carry the temporal information that data start to send.
If 2 in the aforementioned BMSC MBMSSessionStartRequest message sent, do not carry the carrying information of business datum, then BMSC initiates chain of command message S4-2, carries required business datum carrying information to MCE, and coordinates the corresponding carrying of core net foundation. MCE receives this message S4-2, can set up the business datum ground loading of this business, it is possible to further set up radio bearer at wave point.
In above two mode, described S4-2 message can be MBMSSessionUpdate message.
It addition, if MCE is sent in the message S4-1 of BMSC carries service area information, then BMSC indicates described service area in message S4-2. MCE, according to the service area information carried in the BMSC message S4-2 issued, sets up the carrying of business datum at corresponding service area.
Embodiments of the invention four are also for the processing method after business is counted, based on the mode two in embodiment two.
As shown in Figure 6, after counting according to the method for embodiment two, MCE adds up the count results of each eNB, and reports this count results to BMSC. Concrete, MCE initiates chain of command message S5-1, and instruction access network element needs to send the business datum of this business.
In the above-mentioned MCE message S5-1 initiated, it is also possible to carry: need to send the service area information (MBMSServiceArea) of business datum.
BMSC receives this message S5-1, then trigger MBMS session start process (MBMSSessionStart), and this process is the same with MBMS session start process of the prior art.
If additionally, MCE is sent in the message S5-1 of BMSC carries service area information, then BMSC indicates described service area in MBMSSessionStartRequest message.
The method of counting of corresponding above-mentioned MBMS, present invention also offers the number system of a kind of MBMS, including: core network element and access network elements. Wherein, core network element, for sending message to access network elements, this message indicate MBMS the need of counting; Access network elements, for according to the instruction in described message, it is determined whether perform the counting of described MBMS is processed.
Further, core network element can pass through to send MBMS session start request message or MBMS session updates message to access network elements, indicates described MBMS the need of counting.
Core network element can also pass through to send the MBMS session start request message of extension to access network elements, indicates described MBMS the need of counting; Wherein, the MBMS session start request message instruction of extension is not required to be described MBMS and sets up Deta bearer.
Further, the MBMS session start request message of extension is sent to access network elements at core network element, after indicating described MBMS to need counting, access network elements performs the counting of described MBMS is processed, and count results is passed through chain of command information reporting to core network element, and this chain of command message indicate access network elements need to send the business datum of described MBMS;
After core network element receives chain of command message, if it is determined that the MBMS session start request message of extension carries the carrying information of business datum, then indicates business datum to start to send to access network elements; If it is determined that the MBMS session start request message of extension is not carried the carrying information of business datum, then the carrying information of the business datum of described MBMS being sent to access network elements, access network elements sets up ground loading and the radio bearer of described MBMS according to the carrying information of the business datum received.
The above, be only presently preferred embodiments of the present invention, is not intended to limit protection scope of the present invention.
Claims (6)
1. the method for counting of a multimedia broadcast multicast MBMS, it is characterised in that the method includes:
Core network element sends message to access network elements, described message indicate MBMS the need of counting, wherein, described core network element by sending the MBMS session start request message of extension to access network elements, indicating described MBMS the need of counting, the MBMS session start request message instruction of described extension is not required to be described MBMS and sets up Deta bearer;
Access network elements is according to the instruction in described message, it is determined whether perform the counting of described MBMS is processed.
2. the method for counting of MBMS according to claim 1, it is characterised in that sending the MBMS session start request message of extension at core network element to access network elements, after indicating described MBMS to need counting, the method farther includes:
Described access network elements performs the counting of described MBMS is processed, and gives described core network element by count results by chain of command information reporting, and indicates described access network elements to need to send the business datum of described MBMS in described chain of command message;
After described core network element receives chain of command message, if it is determined that the MBMS session start request message of described extension carries the carrying information of business datum, then indicates business datum to start to send to described access network elements;
After described core network element receives chain of command message, if it is determined that the MBMS session start request message of described extension is not carried the carrying information of business datum, then the carrying information of the business datum of described MBMS is sent to described access network elements; Described access network elements sets up ground loading and the radio bearer of described MBMS according to the carrying information of the business datum received.
3. the method for counting of MBMS according to any one of claim 1 to 2, it is characterised in that also carry the time range information of indication counter in the message that described core network element sends to access network elements.
4. the number system of a multimedia broadcast multicast MBMS, it is characterised in that this system includes: core network element and access network elements, wherein,
Described core network element, for sending message to access network elements, described message indicate MBMS the need of counting, described core network element is further used for, by sending the MBMS session start request message of extension to access network elements, indicating described MBMS the need of counting, wherein, the MBMS session start request message instruction of described extension is not required to be described MBMS and sets up Deta bearer;
Described access network elements, for according to the instruction in described message, it is determined whether perform the counting of described MBMS is processed.
5. the number system of MBMS according to claim 4, it is characterised in that send the MBMS session start request message of extension to access network elements at core network element, after indicating described MBMS to need counting,
Described access network elements is further used for, perform the counting of described MBMS is processed, and give described core network element by count results by chain of command information reporting, and described chain of command message indicate described access network elements need to send the business datum of described MBMS;
Described core network element is further used for, after receiving chain of command message, if it is determined that carries the carrying information of business datum in the MBMS session start request message of described extension, then indicates business datum to start to send to described access network elements;
If it is determined that the MBMS session start request message of described extension is not carried the carrying information of business datum, then the carrying information of the business datum of described MBMS is sent to described access network elements; Accordingly, described access network elements sets up ground loading and the radio bearer of described MBMS according to the carrying information of the business datum received.
6. the number system of MBMS according to any one of claim 4 to 5, it is characterised in that also carry the time range information of indication counter in the message that described core network element sends to access network elements.
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| CN102595327A (en) * | 2011-01-12 | 2012-07-18 | 中兴通讯股份有限公司 | MBMS (Multimedia Broadcasting/Multicast Service) triggering method and system |
| CN103856970B (en) * | 2012-11-29 | 2017-09-12 | 中国电信股份有限公司 | The statistical method and system of multicast broadcast service demand |
| CN106211200A (en) * | 2015-04-30 | 2016-12-07 | 中国电信股份有限公司 | The method of counting of MBMS and system, base station and terminal unit |
| CN114554624A (en) * | 2020-11-25 | 2022-05-27 | 维沃移动通信有限公司 | Communication indication method, device and network side equipment |
| CN115915089A (en) * | 2021-09-22 | 2023-04-04 | 维沃移动通信有限公司 | Communication method, device, core network equipment and communication equipment |
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