CN102448019B - Method for improving radio resource utilization rate in multimedia broadcasting and multicasting services - Google Patents
Method for improving radio resource utilization rate in multimedia broadcasting and multicasting services Download PDFInfo
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- CN102448019B CN102448019B CN201010511632.6A CN201010511632A CN102448019B CN 102448019 B CN102448019 B CN 102448019B CN 201010511632 A CN201010511632 A CN 201010511632A CN 102448019 B CN102448019 B CN 102448019B
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Abstract
The invention provides a method for improving radio resource utilization rate in multimedia broadcasting and multicasting services (MBMS). The method comprises the steps of: A. transmitting feedback/service receiving state order related to an MBMS service by a network side to a user terminal, wherein the MBMS service is distributed in a mode of broadcasting and multicasting single frequency network (MBSFN); B. feeding the service receiving state back to the network side by the user terminal when receiving the MBMS service; C. collecting the user terminal which feeds back the feedback/service receiving state by the network side so as to obtain the quantity of users who are currently receiving the MBMS service; and D. making a comparison between the quantity of the users and a preset threshold by the network side; if the quantity of the user is less than the preset threshold, activating the push mode of the MBSFN service of the MBMS service, or switching the mode into a single-casting mode to send the MBMS service. The method provided by the invention can utilize the radio resource at the maximum limit.
Description
Technical field
The present invention relates to a kind of communication technology, relate in particular to a kind of method that improves wireless resource utility efficiency in multimedia broadcast multi-broadcasting business (MBMS).
Background technology
Development along with 3G (Third Generation) Moblie technology, 3G (Third Generation) Moblie can provide than the service of the higher data rate of Generation Mobile Telecommunication System, thereby support multiple business form, such as visual telephone, picture are downloaded, browsed the services such as Internet network at a high speed, wherein there is the feature of a class business to be: this business can allow wireless network send to a plurality of users that subscribed to this business simultaneously.Such as weather forecast, news film, the competitive sports collection of choice specimens etc.The feature of utilizing these business simultaneously to send, 3-G (Generation Three mobile communication system) has been introduced MBMS business from R6 version.
In current evolved universal terrestrial radio access network (E-UTRAN) system, several base stations can form a broadcast multi-broadcasting Single Frequency Network (MBSFN) region, as shown in Figure 1.In this MBSFN region, each base station synchronization, in specific MBSFN subframe, is used identical resource in MBSFN mode, i.e. point-to-multipoint broadcast/group broadcast mode provides identical MBMS business to user terminal.Illustrate, as shown in Figure 2, in E-UTRAN system, radio frames of every 10ms, wherein 2 shadow frames are used for transmitting MBMS business, be called MBSFN subframe, other 8 blank frames are used for transmitting other business, are called normal frames, can determine as required and the ratio of MBSFN subframe and common subframe just illustrate here in actual applications.When number of users is many, E-UTRAN system adopts MBSFN service propelling mode effectively to economize on resources at present.Such as: supposing has 5 communities in a MBSFN region, and, there are respectively 5,10,10,5 and 10 users A, B, C, D and E community, has 40 users.If in the mode of clean culture, point-to-point provides, need 40 Radio Resources; If yet in MBSFN mode, provide, only need 5 Radio Resources, each community is one; In addition, because base station in these 5 communities is transmitted signal in the same manner, can effectively increase signal strength signal intensity, promote the transfer rate of MBMS business.
When number of users is fewer, MBSFN service propelling mode can be wasted resource.Such as: supposing has 5 communities in MBSFN region, and respectively there is a user A and B community, in C, D and E community, there is no user, always have two users.If the mode with clean culture provides, only need 2 Radio Resources, C, D and E community are owing to not having user not need to transmit corresponding MBMS business; If provide in the MBSFN mode in E-UTRAN, need 5 Radio Resources, each community is one, owing to providing in MBSFN mode, even there is no user in C, D and E community, also will be in corresponding resource transport service; And MBSFN mode relates to the sequence of operations such as synchronous of base station, this also can increase the complexity of system.
In current E-UTRAN system, for MBMS business, only designed uni-directional mechanism, only from network to terminal, and there is no the feedback mechanism of terminal to network, therefore network can not obtain the number of users that is receiving a certain MBMS business in community, thereby can not be according to the propelling movement mode of the MBSFN business of number of users deexcitation MBMS business, or switch to clean culture load mode and transmit this MBMS business to each user, and then utilize to greatest extent Radio Resource.
Summary of the invention
The object of this invention is to provide a kind of method that improves wireless resource utility efficiency in MBMS business, can utilize to greatest extent Radio Resource.
For achieving the above object, the present invention adopts following technical scheme:
A method that improves wireless resource utility efficiency in MBMS business, the method comprises the steps:
A, network side, for a MBMS business issuing with MBSFN trafficwise, send the order of feedback business accepting state to user terminal;
B, receive this MBMS business user terminal to network side feedback business accepting state;
C, network side are added up the user terminal of feedback business accepting state, obtain the current number of users that is receiving this MBMS business;
D, network side compare described number of users and predetermined threshold, if lower than this predetermined threshold, and the propelling movement mode of the MBSFN business of this MBMS business of deexcitation, or switch to mode of unicast and send this MBMS business.
Wherein, described steps A comprises:
A1, MBMS coordination entity (MCE) be for a MBMS business issuing by MBSFN mode, to each cell base station in MBSFN region, initiates to require this MBMS business accepting state indication of feedback;
Receive after indication A2, each base station, in multicast control channel (MCCH), to user terminal, sends the order that requires this MBMS business accepting state of feedback;
Described step B comprises:
B1, user terminal periodically monitor MCCH;
B2, receive the user terminal of this MBMS business, by MCCH, receive described requirement and feed back after this MBMS business accepting state order, to base station feedback, receiving the information of this MBMS business;
Described step C comprises:
C1, each base station, according to the information that receives this MBMS business that receives user terminal feedback in Zhe community, are added up user terminal, obtain the current number of users that is receiving this MBMS business in this community and send to MCE;
C2, MCE receive the number of users of each base station feedback, calculate the total number of users that receives this MBMS business;
Described step D comprises:
D1, MCE judge whether total number of users is less than predetermined threshold, if total number of users is less than predetermined threshold, perform step D2, otherwise maintain the MBSFN service propelling mode of this MBMS business;
D2, MCE send the MBSFN service propelling mode of this MBMS business of deexcitation or switch to the order that sends this MBMS business with mode of unicast to each cell base station in MBSFN region;
The MBSFN service propelling mode of each this MBMS business of cell base station deexcitation or switch to mode of unicast and send this MBMS business in D3, MBSFN region.
The method that calculates the total number of users that receives this MBMS business in described step C2 is: the number of users summation to each base station feedback.
Requirement described in steps A 1 is fed back this MBMS business accepting state indication and is comprised: probability factor;
Sending and requiring the order of this MBMS business accepting state of feedback to comprise to user terminal in MCCH described in steps A 2: probability factor;
Described in step B2, before receiving the information of this MBMS business, base station feedback further comprises: produce a random number, this random number is compared with probability factor, be less than probability factor, user terminal is receiving the information of this MBMS business to base station feedback, otherwise continues execution step B1;
In described step C1, obtain the current method that is receiving the number of users of this MBMS business in this community and be: the number of users that base station is being received according to this MBMS business of user terminal feedback statistics is divided by probability factor.
Requirement described in steps A 1 is fed back this MBMS business accepting state and is designated as: require the user terminal in RRC connection status to feed back this MBMS business accepting state indication;
The order that this MBMS business accepting state is fed back in requirement described in steps A 2 is: require the user terminal in RRC connection status to feed back this MBMS business accepting state order;
In described step B2, be that the user terminal in RRC connection status is receiving the information of this MBMS business to base station feedback.
Described in steps A 1, requiring user terminal in RRC connection status to feed back this MBMS business accepting state indication comprises: RRC connection status probability factor;
Sending and requiring the order of this MBMS business accepting state of feedback to comprise to user terminal in MCCH described in steps A 2: RRC connection status probability factor;
In described step B2, the information that user terminal in RRC connection status is receiving this MBMS business to base station feedback further comprises before: produce a random number, compare with RRC connection status probability factor, be less than RRC connection status probability factor user terminal and to base station feedback, receiving the information of this MBMS business, otherwise continue execution step B1;
Improve in rapid C1, obtain the current method that is receiving the number of users of this MBMS business in this community and be: the number of users that base station is being received according to this MBMS business of user terminal feedback statistics is divided by RRC connection status probability factor.
In described step D1, if total number of users is less than predetermined threshold, at execution step D2, takes a step forward and comprise:
D11, MCE be for this MBMS business, to each cell base station in MBSFN region, initiates to require the user terminal in RRC idle condition to feed back this MBMS business accepting state indication;
Receive after indication D12, each base station, in MCCH, to user terminal, sends the order that requires the user terminal in RRC idle condition to feed back this MBMS business accepting state;
D13, receive the user terminal in RRC idle condition of this MBMS business, by MCCH, receive described requirement and feed back after this MBMS business accepting state order, to base station feedback, receiving the information of this MBMS business;
D14, each base station are according to the information that receives this MBMS business that receives the feedback of the user terminal in RRC idle condition in Zhe community, user terminal is added up, obtained the current number of users that is receiving this MBMS business in this community and send to MCE;
D15, MCE receive the number of users of each base station feedback, calculate the total number of users that receives this MBMS business;
D16, MCE judge whether total number of users is less than predetermined threshold, if total number of users is less than predetermined limit, carry out described step D2.
Described in step D11, requiring user terminal in RRC idle condition to feed back this MBMS business accepting state indication comprises: RRC idle condition probability factor;
The order that send to require user terminal in RRC connection status to feed back this MBMS business accepting state to user terminal in MCCH described in step D12 comprises: RRC idle condition probability factor;
In described step D13, the information that is receiving this MBMS business to base station feedback further comprises before: produce a random number, compare with RRC idle condition probability factor, be less than RRC idle condition probability factor, user terminal is receiving the information of this MBMS business to base station feedback;
In described step D14, the method that obtains the current user's who is receiving this MBMS business in this community number is: number of users that this MBMS business receiving is added up to divided by the probability factor of RRC idle condition according to terminal feedback in base station;
The method that calculates the total number of users that receives this MBMS business in described step D15 is: the total number of users summation to the total number of users of RRC connection status and RRC idle condition.
The user terminal of requirement in RRC idle condition feeds back this MBMS business accepting state indication;
The order that this MBMS business accepting state is fed back in requirement described in steps A 2 is: require the user terminal in RRC idle condition to feed back this MBMS business accepting state order;
In described step B2, be that the user terminal in RRC idle condition is receiving the information of this MBMS business to base station feedback.
Described in steps A 1, requiring user terminal in RRC idle condition to feed back this MBMS business accepting state indication comprises: RRC idle condition probability factor;
Sending and requiring the order of this MBMS business accepting state of feedback to comprise to user terminal in MCCH described in steps A 2: RRC idle condition probability factor;
In described step B2, the information that user terminal in RRC idle condition is receiving this MBMS business to base station feedback further comprises before: produce a random number, compare with RRC idle condition probability factor, be less than RRC idle condition probability factor user terminal and to base station feedback, receiving the information of this MBMS business, otherwise continue execution step B1;
In described step C1, obtain the current method that is receiving the number of users of this MBMS business in this community and be: the number of users that base station is being received according to this MBMS business of user terminal feedback statistics is divided by RRC idle condition probability factor.
In described step D1, if total number of users is less than predetermined threshold, at execution step D2, takes a step forward and comprise:
D11, MCE be for this MBMS business, to each cell base station in MBSFN region, initiates to require the user terminal in RRC connection status to feed back this MBMS business accepting state indication;
Receive after indication D12, each base station, in MCCH, to user terminal, sends the order that requires the user terminal in RRC connection status to feed back this MBMS business accepting state;
D13, receive the user terminal in RRC connection status of this MBMS business, by MCCH, receive described requirement and feed back after this MBMS business accepting state order, to base station feedback, receiving the information of this MBMS business;
D14, each base station are according to the information that receives this MBMS business that receives the feedback of the user terminal in RRC connection status in Zhe community, user terminal is added up, obtained the current number of users that is receiving this MBMS business in this community and send to MCE;
D15, MCE receive the number of users of each base station feedback, calculate the total number of users that receives this MBMS business;
D16, MCE judge whether total number of users is less than predetermined threshold, if total number of users is less than predetermined limit, carry out described step D2.
Described in step D11, requiring user terminal in RRC connection status to feed back this MBMS business accepting state indication comprises: RRC connection status probability factor;
The order that send to require user terminal in RRC connection status to feed back this MBMS business accepting state to user terminal in MCCH described in step D12 comprises: RRC connection status probability factor;
In described step D13, the information that is receiving this MBMS business to base station feedback further comprises before: produce a random number, compare with RRC connection status probability factor, be less than RRC connection status probability factor user terminal and to base station feedback, receiving the information of this MBMS business;
In described step D14, the method that obtains the current user's who is receiving this MBMS business in this community number is: number of users that this MBMS business receiving is added up to divided by the probability factor of RRC connection status according to terminal feedback in base station;
Calculate the total number of users that receives this MBMS business in the rapid D15 that improves method be: the total number of users summation to the total number of users of RRC idle condition and RRC connection status.
As seen from the above technical solution, the method of this raising wireless resource utility efficiency, can be according to the propelling movement mode of the MBSFN business of number of users deexcitation MBMS business, or switch to clean culture load mode and transmit this MBMS business to each user, and then utilize to greatest extent Radio Resource.
Accompanying drawing explanation
Fig. 1 is MBSFN area schematic;
Fig. 2 is the schematic diagram of each service subframe method of salary distribution in E-UTRAN system;
Fig. 3 is the structural representation that MCE coordinates each evolution base station (eNB)
Fig. 4 is that first embodiment of the invention improves wireless resource utility efficiency method network side process chart;
Fig. 5 is that first embodiment of the invention improves wireless resource utility efficiency method terminal processes flow chart;
Fig. 6 is that second embodiment of the invention improves wireless resource utility efficiency method network side process chart;
Fig. 7 is that second embodiment of the invention improves wireless resource utility efficiency method terminal processes flow chart;
Fig. 8 is that fourth embodiment of the invention improves wireless resource utility efficiency method network side process chart;
Fig. 9 is that fourth embodiment of the invention improves wireless resource utility efficiency method terminal processes flow chart.
Embodiment
For making object of the present invention, technological means and advantage clearer, below in conjunction with drawings and the specific embodiments, the present invention is further detailed explanation.
Referring to Fig. 3, Fig. 3 is the structural representation that MCE coordinates each evolution base station (eNB).Mobile management entity (MME) is associated with MCE by M3 interface, is responsible for transmitting MBMS session control signaling to MCE.MCE contacts by M2 interface and eNB, is responsible for further sending MBMS session control signaling to eNB, and it is also responsible for coordinating to control the configuration of Radio Resource between each eNB simultaneously, and as which subframe is made as to MBSFN subframe, base station also can feed back to MCE.MBMS gateway (MBMS GW) contacts by M1 interface and eNB, and it is responsible for the business datum of user's face to pass to eNB.
Basic thought of the present invention is: network side is for a MBMS business issuing by MBSFN mode, to user terminal, send the order of feedback business accepting state, receiving the user terminal of this MBMS business to network side feedback business accepting state, network side is added up the user terminal of feedback business accepting state, obtain the current number of users that is receiving this MBMS business, network side compares described number of users and predetermined threshold, if lower than this predetermined threshold, the propelling movement mode of the MBSFN business of this MBMS business of deexcitation, or switch to mode of unicast and send this MBMS business, otherwise maintain the MBSFN service propelling mode of this MBMS business.
For convenience, without ambiguity, while mentioning in the following embodiments a MBMS business will adding up, be all called MBMS business A.
Embodiment mono-:
In the present embodiment, improve wireless resource utility efficiency method implementation procedure and be divided into network side processing and user terminal processes, idiographic flow is referring to Fig. 4, Fig. 5.
Referring to Fig. 4, Fig. 4 is that first embodiment of the invention improves wireless resource utility efficiency method network side process chart.This flow process comprises the steps:
When MCE thinks that being necessary to add up MBMS business party A-subscriber terminal receives situation, carry out this step.
After giving an order in base station, wait for user terminal feedback.
The order label that in this step, n is each base station, n is natural number.
N＝N1+N2+......Nn。
Predetermined threshold T in this step decision content that to be manufacturer or operator arrange according to equipment and practical situations.
When N is greater than predetermined threshold T, think that now to receive the number of users of MBMS business A a lot, therefore maintain the MBSFN service propelling mode of MBMS business A.
Referring to Fig. 5, Fig. 5 is that first embodiment of the invention improves wireless resource utility efficiency method user terminal processes flow chart.This flow process comprises the steps:
So far, the present embodiment finishes, if when MCE initiates to require the indication of feedback MBMS business A accepting state to each cell base station in MBSFN region, probability factor is provided simultaneously, receive after indication each base station so, in MCCH, send the order that requires feedback MBMS business A to carry receipts state, probability factor is provided.Receive the user terminal of MBMS business A, while receiving the order of requirement feedback MBMS business A accepting state by MCCH, producing a random number, if this random number is less than probability factor, to base station feedback, receiving the information of MBMS business A.Each base station receives the information that user terminal feedback is receiving MBMS business A, according to feedback information statistics, calculating, receiving the number of users Nn of MBMS business A, Nn=Mn/ probability factor, the number of users that wherein Mn is receiving according to user terminal feedback statistics MBMS business A for each base station, n is natural number, is each base station serial number.The Nn calculating is sent to MCE.MCE calculates the total number of users N that user terminal is receiving MBMS business A.
Embodiment bis-:
In the present embodiment, the statistics of the MBMS business A accepting state by the user terminal in RRC connection status, improves wireless resource utility efficiency method implementation procedure and is divided into network side and processes and user terminal processes, and idiographic flow is referring to Fig. 6, Fig. 7.
Referring to Fig. 6, Fig. 6 is that second embodiment of the invention improves wireless resource utility efficiency method network side process chart.This flow process comprises the steps:
603, each base station receives the information that user terminal feedback is receiving MBMS business A, according to feedback information statistics, calculating, is receiving the number of users Nn of MBMS business A, and the Nn calculating is sent to MCE.
Nn=Mn/RRC connection status probability factor, the number of users that wherein Mn is receiving according to user terminal feedback statistics MBMS business A for each base station.
The order label that in this step, n is each base station, n is natural number.
Step 404 is the same with the step in embodiment mono-to step 408, here repeats no more.
Referring to Fig. 7, Fig. 7 is that second embodiment of the invention improves wireless resource utility efficiency method user terminal processes flow chart.This flow process comprises the steps:
Embodiment tri-:
The present embodiment is the statistics to the MBMS business A accepting state of the user terminal in RRC idle condition, to compare statistic behavior different with embodiment bis-, because user terminal RRC state is in idle condition, therefore when user terminal is receiving the information of MBMS business A to each base station feedback, first by RRC idle condition, transfer RRC connection status to, its method realization flow is the same, therefore, no longer describes in detail.
Embodiment tetra-:
The present embodiment is first RRC connection status to be added up, and when the number of users of statistics is less than predetermined threshold, transfers to RRC idle condition is added up.This embodiment is divided into network side to be processed and user terminal processes, and idiographic flow is referring to Fig. 8, Fig. 9.
Referring to Fig. 8, Fig. 8 is that fourth embodiment of the invention improves wireless resource utility efficiency method network side process chart.This flow process comprises the steps:
Nn=Mn/RRC connection status probability factor, the order label that wherein n is each base station, n is natural number.
N=N1+N2+......Nn, n is natural number.
Step 801, starts RRC idle condition, and MCE initiates to require the indication of feedback MBMS business A accepting state to each cell base station in MBSFN region, and indication simultaneously requires the situation of statistics RRC when idle condition, and RRC idle condition probability factor is provided.
Step 802, receive after indication each base station, sends the order that requires feedback MBMS business A accepting state in MCCH, indicate present stage is the RRC idle condition statistics stage simultaneously, and RRC idle condition probability factor is provided.
Step 803, each base station receives the information that user terminal feedback is receiving MBMS business A, according to feedback statistics, calculates and is receiving the number of users Kn of MBMS business A, and the Kn calculating is sent to respectively to MCE.
Kn=Wn/RRC idle condition probability factor, the order label that wherein n is each base station, n is natural number.
Step 804, MCE receives the number of users Kn of each base station feedback, calculates the total number of users K that is receiving MBMS business A.
K=N+K1+K2+......+Nn, n is natural number, and wherein N is the total number of users that receives MBMS business A of adding up under RRC connection status, and K is the total number of users that receives MBMS business A of adding up under RRC connection status and idle condition.
Step 805, MCE judges whether K is less than predetermined threshold T.K is less than predetermined threshold T, performs step 806, otherwise carries out 808.
Step 806, MCE to each base station, send out deexcitation MBMS business A MBSFN propelling movement mode or switch to mode of unicast to transmitting MBMS business A order to each user.
Step 807, after each base station receives orders, the MBSFN service propelling mode of deexcitation MBMS business A or switch to mode of unicast and transmit MBMS business A to each user.
Step 808, maintains the MBSFN service propelling mode of MBMS business A.
The user terminal processes of the present embodiment is divided into RRC connection status statistics and RRC idle condition statistics, referring to Fig. 6, Fig. 9.
Fig. 6 describes in detail in embodiment bis-, repeats no more here.Referring to Fig. 9, Fig. 9 is for improving wireless resource utility efficiency method user terminal processes flow chart for fourth embodiment of the invention.This flow process comprises the steps:
Embodiment five:
The present embodiment is first added up RRC idle condition, when the number of users of statistics is less than predetermined threshold, then RRC connection status is added up.Implementation is the same with embodiment tetra-, repeats no more.
In actual applications, RRC idle condition is added up to relatively consuming time, and easily cause the random access of network congested, therefore generally first RRC connection status is added up.Therefore embodiment bis-compares the number of users that embodiment tri-and five can more effective statistics receiving MBMS business A with four, better realizes the utilance that improves Radio Resource.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (11)
1. in multimedia broadcast multi-broadcasting business (MBMS), improve a method for wireless resource utility efficiency, it is characterized in that, the method comprises the steps:
A, network side, for a MBMS business issuing by broadcast multi-broadcasting Single Frequency Network (MBSFN) mode, send the order of feedback business accepting state to user terminal;
B, receive this MBMS business user terminal to network side feedback business accepting state;
C, network side are added up the user terminal of feedback business accepting state, obtain the current number of users that is receiving this MBMS business;
D, network side compare described number of users and predetermined threshold, if lower than this predetermined threshold, and the propelling movement mode of the MBSFN business of this MBMS business of deexcitation, or switch to mode of unicast and send this MBMS business;
Wherein, described steps A comprises:
A1, MBMS coordination entity (MCE) be for a MBMS business issuing by MBSFN mode, to each cell base station in MBSFN region, initiates to require this MBMS business accepting state indication of feedback;
Receive after indication A2, each base station, in multicast control channel (MCCH), to user terminal, sends the order that requires this MBMS business accepting state of feedback;
Described step B comprises:
B1, user terminal periodically monitor MCCH;
B2, receive the user terminal of this MBMS business, by MCCH, receive described requirement and feed back after this MBMS business accepting state order, to base station feedback, receiving the information of this MBMS business;
Described step C comprises:
C1, each base station, according to the information that receives this MBMS business that receives user terminal feedback in Zhe community, are added up user terminal, obtain the current number of users that is receiving this MBMS business in this community and send to MCE;
C2, MCE receive the number of users of each base station feedback, calculate the total number of users that receives this MBMS business;
Described step D comprises:
D1, MCE judge whether total number of users is less than predetermined threshold, if total number of users is less than predetermined threshold, perform step D2, otherwise maintain the MBSFN service propelling mode of this MBMS business;
D2, MCE send the MBSFN service propelling mode of this MBMS business of deexcitation or switch to the order that sends this MBMS business with mode of unicast to each cell base station in MBSFN region;
The MBSFN service propelling mode of each this MBMS business of cell base station deexcitation or switch to mode of unicast and send this MBMS business in D3, MBSFN region.
2. the method for claim 1, is characterized in that, the method that calculates the total number of users that receives this MBMS business in described step C2 is: the number of users summation to each base station feedback.
3. method as claimed in claim 2, is characterized in that: the requirement described in steps A 1 is fed back this MBMS business accepting state indication and comprised: probability factor;
Sending and requiring the order of this MBMS business accepting state of feedback to comprise to user terminal in MCCH described in steps A 2: probability factor;
Described in step B2, before receiving the information of this MBMS business, base station feedback further comprises: produce a random number, this random number is compared with probability factor, be less than probability factor, user terminal is receiving the information of this MBMS business to base station feedback, otherwise continues execution step B1;
In described step C1, obtain the current method that is receiving the number of users of this MBMS business in this community and be: the number of users that base station is being received according to this MBMS business of user terminal feedback statistics is divided by probability factor.
4. method as claimed in claim 2, is characterized in that, the requirement described in steps A 1 is fed back this MBMS business accepting state and is designated as: require the user terminal of controlling (RRC) connection status in Radio Resource to feed back this MBMS business accepting state indication;
The order that this MBMS business accepting state is fed back in requirement described in steps A 2 is: require the user terminal in RRC connection status to feed back this MBMS business accepting state order;
In described step B2, be that the user terminal in RRC connection status is receiving the information of this MBMS business to base station feedback.
5. method as claimed in claim 4, is characterized in that: described in steps A 1, require user terminal in RRC connection status to feed back this MBMS business accepting state indication and comprise: RRC connection status probability factor;
Sending and requiring the order of this MBMS business accepting state of feedback to comprise to user terminal in MCCH described in steps A 2: RRC connection status probability factor;
In described step B2, the information that user terminal in RRC connection status is receiving this MBMS business to base station feedback further comprises before: produce a random number, compare with RRC connection status probability factor, be less than RRC connection status probability factor user terminal and to base station feedback, receiving the information of this MBMS business, otherwise continue execution step B1;
In described step C1, obtain the current method that is receiving the number of users of this MBMS business in this community and be: the number of users that base station is being received according to this MBMS business of user terminal feedback statistics is divided by RRC connection status probability factor.
6. method as claimed in claim 5, is characterized in that: in described step D1, if total number of users is less than predetermined threshold, at execution step D2, takes a step forward and comprise:
D11, MCE be for this MBMS business, to each cell base station in MBSFN region, initiates to require the user terminal in RRC idle condition to feed back this MBMS business accepting state indication;
Receive after indication D12, each base station, in MCCH, to user terminal, sends the order that requires the user terminal in RRC idle condition to feed back this MBMS business accepting state;
D13, receive the user terminal in RRC idle condition of this MBMS business, by MCCH, receive described requirement and feed back after this MBMS business accepting state order, to base station feedback, receiving the information of this MBMS business;
D14, each base station are according to the information that receives this MBMS business that receives the feedback of the user terminal in RRC idle condition in Zhe community, user terminal is added up, obtained the current number of users that is receiving this MBMS business in this community and send to MCE;
D15, MCE receive the number of users of each base station feedback, calculate the total number of users that receives this MBMS business;
D16, MCE judge whether total number of users is less than predetermined threshold, if total number of users is less than predetermined limit, carry out described step D2.
7. method as claimed in claim 6, is characterized in that: described in step D11, require user terminal in RRC idle condition to feed back this MBMS business accepting state indication and comprise: RRC idle condition probability factor;
The order that send to require user terminal in RRC idle condition to feed back this MBMS business accepting state to user terminal in MCCH described in step D12 comprises: RRC idle condition probability factor;
In described step D13, the information that is receiving this MBMS business to base station feedback further comprises before: produce a random number, compare with RRC idle condition probability factor, be less than RRC idle condition probability factor, user terminal is receiving the information of this MBMS business to base station feedback;
In described step D14, the method that obtains the current user's who is receiving this MBMS business in this community number is: number of users that this MBMS business receiving is added up to divided by the probability factor of RRC idle condition according to terminal feedback in base station;
The method that calculates the total number of users that receives this MBMS business in described step D15 is: the total number of users summation to the total number of users of RRC connection status and RRC idle condition.
8. method as claimed in claim 2, is characterized in that, the requirement described in steps A 1 is fed back this MBMS business accepting state and is designated as: require the user terminal in RRC idle condition to feed back this MBMS business accepting state indication;
The order that this MBMS business accepting state is fed back in requirement described in steps A 2 is: require the user terminal in RRC idle condition to feed back this MBMS business accepting state order;
In described step B2, be that the user terminal in RRC idle condition is receiving the information of this MBMS business to base station feedback.
9. method as claimed in claim 8, is characterized in that, requires described in steps A 1 user terminal in RRC idle condition to feed back this MBMS business accepting state indication and comprises: RRC idle condition probability factor;
Sending and requiring the order of this MBMS business accepting state of feedback to comprise to user terminal in MCCH described in steps A 2: RRC idle condition probability factor;
In described step B2, the information that user terminal in RRC idle condition is receiving this MBMS business to base station feedback further comprises before: produce a random number, compare with RRC idle condition probability factor, be less than RRC idle condition probability factor user terminal and to base station feedback, receiving the information of this MBMS business, otherwise continue execution step B1;
In described step C1, obtain the current method that is receiving the number of users of this MBMS business in this community and be: the number of users that base station is being received according to this MBMS business of user terminal feedback statistics is divided by RRC idle condition probability factor.
10. method as claimed in claim 9, is characterized in that: in described step D1, if total number of users is less than predetermined threshold, at execution step D2, takes a step forward and comprise:
D11, MCE be for this MBMS business, to each cell base station in MBSFN region, initiates to require the user terminal in RRC connection status to feed back this MBMS business accepting state indication;
Receive after indication D12, each base station, in MCCH, to user terminal, sends the order that requires the user terminal in RRC connection status to feed back this MBMS business accepting state;
D13, receive the user terminal in RRC connection status of this MBMS business, by MCCH, receive described requirement and feed back after this MBMS business accepting state order, to base station feedback, receiving the information of this MBMS business;
D14, each base station are according to the information that receives this MBMS business that receives the feedback of the user terminal in RRC connection status in Zhe community, user terminal is added up, obtained the current number of users that is receiving this MBMS business in this community and send to MCE;
D15, MCE receive the number of users of each base station feedback, calculate the total number of users that receives this MBMS business;
D16, MCE judge whether total number of users is less than predetermined threshold, if total number of users is less than predetermined limit, carry out described step D2.
11. methods as claimed in claim 10, is characterized in that: described in step D11, require user terminal in RRC connection status to feed back this MBMS business accepting state indication and comprise: RRC connection status probability factor;
The order that send to require user terminal in RRC connection status to feed back this MBMS business accepting state to user terminal in MCCH described in step D12 comprises: RRC connection status probability factor;
In described step D13, the information that is receiving this MBMS business to base station feedback further comprises before: produce a random number, compare with RRC connection status probability factor, be less than RRC connection status probability factor user terminal and to base station feedback, receiving the information of this MBMS business;
In described step D14, the method that obtains the current user's who is receiving this MBMS business in this community number is: number of users that this MBMS business receiving is added up to divided by the probability factor of RRC connection status according to terminal feedback in base station;
The method that calculates the total number of users that receives this MBMS business in described step D15 is: the total number of users summation to the total number of users of RRC idle condition and RRC connection status.
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