CN102256210B - A kind of method and system realizing MBMS scheduling - Google Patents

Abstract

The invention discloses a kind of method and system realizing MBMS scheduling, in scheduling network element, schedulable condition is set, and according to schedulable condition, be the scheduling that object carries out multimedia broadcast multi-broadcasting business (MBMS) business with the community in multicast single frequency network (MBSFN) region.Pass through the inventive method, achieve the MBMS scheduling with the community in MBSFN region as object, avoid in the community not having user to receive MBMS, or this community receive MBMS number of users less than threshold value time, close the MBMS transmission in this community, thus improve the utilization rate of Radio Resource, it is to avoid launch the waste of power.

Description

A kind of method and system realizing MBMS scheduling

Technical field

The present invention relates to multimedia broadcast multi-broadcasting business (MBMS, Multimedia Broadcast Multicast Service) technology, a kind of method and system realizing MBMS scheduling.

Background technology

Along with the fast development of the Internet and popularizing of giant-screen multi-functional mobile phone, occur in that a large amount of mobile data Multimedia service and various high bandwidth multimedia service, such as: video conference, television broadcasting, video request program, Video ads, online education, interactive game etc..These move data multimedia and high bandwidth multimedia Business, not only meets the business demand that mobile subscriber constantly rises, and also brings for mobile operator simultaneously New business growth point.

Mobile data multimedia and the various multiple user of high bandwidth multimedia service requirements can receive simultaneously Identical data, compared with general data service, has that data volume is big, persistent period length, delay sensitive etc. Feature.In order to effectively utilize mobile network resource, the third generation partner program (3GPP, 3rd Generation Partnership Project) propose multimedia broadcast multi-broadcasting business (MBMS, Multimedia Broadcast Multicast Service), MBMS be a kind of from a data source to multiple target transmission The technology of data, it is achieved that sharing of network (including core net and access network) resource, improves network money The utilization rate in source (especially air interface resource).The MBMS of 3GPP definition can not only realize The message class multicast of plain text low rate and broadcast, additionally it is possible to realize broadcast and the multicast of high-speed multimedia service, Thering is provided multiple abundant video, audio frequency and multimedia service, this has complied with the development of following mobile data undoubtedly Trend, the development for third generation digital communication (3G, 3rd Generation) provides better services prospect.

At present, in Long Term Evolution version 9 (LTE R9) system, MBMS is introduced.MBMS Business carries the common transport needing to control signaling and user data in systems and realizes.Wherein, control Signaling processed will inform that receiving terminal (or terminal, subscriber equipment (UE, User Equipment)) is corresponding Control parameter, guide UE to go to receive its MBMS interested to corresponding position and (use the most accordingly User data).This control signaling in LTE R9 system be by multicast control channel (MCCH, Multicast Control Channel) be transmitted, MBMS is to pass through Logical Traffic Channels (MTCH, Multicast Traffic Channel) is transmitted.MBMS controls signaling and MBMS Business is with multicast single frequency network (MBSFN, MBMS over a Single Frequency Network) district (MBSFN Area) carries out region division in territory, and wherein MBSFN Area is by a series of community institutes group Become.

Specifically, a MBSFN region includes that one or more are by under evolution base station (eNB) control Community.Fig. 1 is existing MBSFN area logic schematic diagram, as it is shown in figure 1, a MBSFN district Territory (in circle) includes 19 communities, and wherein, the community using left tiltedly shadow representation is eNB1 control Community 1,2 ..., 6；The community using right tiltedly shadow representation is the community 7,8 that eNB2 controls ..., 13； The community using lattice shadow representation is the community 14,15 that eNB3 controls ... 19.

Owing to, in prior art, at MBSFN Area, (19 communities in circle constitute a MBSFN Region) in send control signaling and in units of user data Shi Yi community or eNB, use MBSFN technology Carry out synchronized transmission (purpose be so that UE receive time can obtain merge gain accordingly), therefore, In MBSFN technology requires MBSFN area, each community sends identical data on identical running time-frequency resource Content, thus needs the resource to each community to carry out unified scheduling and planning.Prior art uses Be multiple cell/multicast coordination entity (MCE, Multi-cell/multicast Coordination Entity) net Unit carries out United Dispatching and the planning of Radio Resource, implements and refers to international standard 3GPP 36.300 v910.Specifically, the transmission of the MBMS in a whole MBSFN region of MCE control, it may be assumed that MCE determines the MBMS sent in the MBSFN sub-frame in this MBSFN region, and is come by eNB Control the transmitting of MBMS of each community under it controls.

MCE configures MBMS (MTCH) and the control signaling that a MBSFN region is carried (MCCH) multicast resource i.e. MBSFN sub-frame (subframe) and MBSFN frame (frame). Multiple eNB (such as the eNB1 in Fig. 1, eNB2, eNB3) under MCE covers are disappeared by system broadcasts Breath, these multicast resources are configured in all of community (such as the community 1,2 in Fig. 1 ..., 19), meanwhile, Broadcast multicast service center (BM-SC, Broadcast Multicast Service Centre) is by MBMS industry Business data are sent to multiple eNB in this MBSFN region also by MBMS gateway (MBMS-GW) In (such as the eNB1 in Fig. 1, eNB2, eNB3).Herein, path will be transmitted BM-SC-＞ MBMS-GW-＞ eNB, referred to as user plane data transfer (for transferring MBMS service data), (it is used for joining by transmission path BM-SC-＞ MBMS-GW-＞ MCE-＞ eNB, referred to as chain of command signalling Put multicast resource etc. and control parameter), concrete as in figure 2 it is shown, Fig. 2 is that in prior art, MBMS is held The logical schematic of carrier structure, wherein M1 is interface in the user plane (user plane interface), and M2 is E-UTRAN chain of command interface (E-UTRAN internal control plane interface), M3 are Chain of command interface (control plane interface between E-UTRAN and between E-UTRAN and EPC EPC)。

A certain specific cell may be covered by multiple MBSFN Area simultaneously, here it is usually said MBSFN Area overlap covers (overlapping).At present, 1 to 8 MBSFN Area is supported in community Overlapping covering.Wherein, community is the least unit that MBSFN Area covers, and an eNB may be corresponding Multiple communities.

When there is overlapping coverage condition in a certain community, this community it is possible to have simultaneously multiple MCCH (because of For the corresponding MCCH of each MBSFN Area).For each specific MCCH, all There is MCCH amendment cycle (MP, Modification Period), and in MCCH MP, MCCH The content carried is not allow change；In MCCH MP, MCCH information is also by repetition Being transmitted, the time interval wherein sent is referred to as the MCCH repetition period (RP, Repeat Period), Carry out repeating to send primarily to improve UE to receive the reliability of MCCH information with the repetition period； The relation of MCCH MP and MCCH RP as it is shown on figure 3, Fig. 3 be in prior art MCCH MP with The relation schematic diagram of MCCH RP, in MCCH MP (n), the content that MCCH sends can not occur Change, can only arrive and be only possible to change at next MCCH MP, and MCCH RP illustrates at MCCH In MP, MCCH content repeats transmission.UE passes through BCCH (BCCH, Broadcast Control Channel) system information block 13 (SIB13, System Information Block) i.e. would know that this is little District there are how many MCCH in all of MCCH and its corresponding configuration information, such as this community, The relevant parameters such as MP, RP of every MCCH.

MCCH Yu MBSFN Area is one to one.UE just can obtain by reading MCCH message Know the multicast subframe resource of the control information of corresponding MBSFN Area, such as this MBSFN Area Configuration information, in this MBSFN Area all-network side have begun to send (ongoing) MBMS Control parameter such as parameter MBMS-SessionInfo-r9 of the MBMS service of business and ongoing, SessionId-r9, serviceId-r9 etc..

Multicast Channel (MCH) is transmission channel, carries out point-to-multipoint transmission, and corresponding physical resource is The multicast resource that system is distributed by transmission MBMS.One carrier frequency can carry multiple MCH, holds The physical channel carrying specific MCH is to be determined by the subframe of one group of pattern, and these subframes are not necessarily the time Continuous dispensing, this pattern is referred to as subframe distribution pattern (MSAP, the MCH subframe of Multicast Channel Allocation pattern), a MSAP describes the physical resource of a MCH channel.In LTE system In, the multicast resource in each MBSFN region can divide according to certain pattern in units of subframe, One MCH of resource composition indicated by each pattern.

Logical Traffic Channels (MTCH, Multicast Traffic Channel) is logic channel, a MTCH Carry the data of one or more business (such as one TV program is called a business), a business Only being carried in a MTCH, MTCH is mapped on MCH be transmitted, one or more MTCH may map on one or more MCH, and the most multiple MBMS may map to one On individual MCH.

The feature using multiple cell sending mode to carry out MBMS transmission includes, same in MBSFN region Step transmission；Support the merging of multiple cell MBMS transmission data；MTCH and MCCH is in p-T-m pattern Under to be mapped to MCH transmission channel first-class.

By MSAP information, UE can know the concrete multicast resource corresponding to a certain concrete MCH, but It is, owing to MCH containing one or more MBMS data (the most one or more MTCH), It is therefore desirable to particularly point out the tool corresponding to a certain MBMS by MBMS dynamic scheduling information Body physical resource.So, (such as this UE is interested when receiving a certain specific MBMS for UE MBMS MTCH1), it is possible to know this by the instruction of MBMS dynamic scheduling information The definite resource of MBMS, thus realize the accurate reception of MBMS, and in MCH Other multicast subframe (such as carries the multicast subframe of non-MTCH1), and UE keeps silent status, does not receives Its sub-frame information, it is achieved thereby that UE saves the purpose of energy consumption.

In existing disclosed technology, MBMS dynamic scheduling information is scheduled or the resource of administration is in time span On be defined as dynamic scheduling period (Schedule period), such as 320ms, 640ms etc..Fig. 4 is Scheduling Block setting in dynamic scheduling period and the logical relation schematic diagram of MBMS in prior art, As shown in Figure 4, wherein the horizontal line shadow representation Scheduling Block of overstriking, the MBMS industry that other shadow representation is different Business is such as the MBMS service A in figure, MBMS service B and MBMS service C, blank parts Represent there is no data or filler.

In the transmitting procedure of MBMS, the application of uplink feedback is also technology important in prior art Means；Uplink feedback refers to, network side trigger or UE is voluntarily by uplink feedback channel, will/accurate Some status attribute of the standby UE receiving MBMS reports network side, and such as UE receives/ The MBMS mark of reception interested)；The information reported by UE, network side can be known under it The information that the UE belonged to is at present the most detailed, such as MBSFN area Zhong Mou receives in community/and interested The number of users of a certain MBMS received；Network side can carry out some by the information obtained and arrange Adjust or scheduling of resource, such as open/close the transmission of a certain MBMS.Typical application example is: In MBSFN area, each eNB requires that its subordinate UE feeds back the MBMS industry that its/preparation receives respectively Business title (is triggered uplink feedback flow process by eNB), and/UE of preparing to receive MBMS can be Its/preparation is received MBMS and identifies by uplink feedback channel, such as MBMS ID etc., Feed back to its affiliated eNB.Each eNB, according to the information obtained, the most receives/reception interested The number of users of a certain MBMS, in conjunction with can in criterion such as eNB in MBSFN area User can not receive this MBMS or receive the number of users of this MBMS less than threshold value Deng, determine this MBMS data being switched on or off on eNB.

During existing MBMS service transmission, when dispatching MBMS, MBMS covers Scope is to be transmitted based on the MBSFN area that it is corresponding, i.e. corresponding to this MBMS MBSFN area comprise several community, this MBMS will be transmitted in these communities.Examine Consider and in MBSFN area, carry the complexity of transmission (such as: need unified resource to MBMS Scheduling, user face data synchronous transfer, scheduling of resource are for the impact etc. of system information), at present, MBMS MBSFN area corresponding to business upon operation management maintainance (OAM, Operation, Administration and Maintenance) after configuration is good, will not change again or seldom change.

It can be seen that for concrete MBMS a certain in MBSFN area, it will whole It is transmitted in MBSFN area；And in actual applications, a certain MBMS is at whole MBSFN Area is transmitted sometimes be not required to, such as, in certain in MBSFN area/a little communities May not have user and receiving this MBMS, or receive the number of users of this MBMS less than door During limit value, if this MBMS continue at this/a little communities in be transmitted, reduce wireless undoubtedly The utilization rate of resource, and cause the waste launching power.

Summary of the invention

In view of this, present invention is primarily targeted at provide a kind of realize MBMS scheduling method and System, it is possible to increase the utilization rate of Radio Resource, it is to avoid launch the waste of power.

For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:

A kind of method realizing MBMS scheduling, pre-sets schedulable condition, also includes: scheduling network element According to schedulable condition, it is that object carries out multi-media broadcast with the community in multicast single frequency network (MBSFN) region Broadcast the scheduling of multicast service MBMS.

Described schedulable condition is: receive the uplink feedback of user equipment (UE), and/or non-MBMS Need the Radio Resource number taken, and/or the request from operation management maintainance OAM.

Described schedulable condition is the uplink feedback receiving UE；Described with the community in MBSFN region it is Object carries out the scheduling of MBMS and includes:

Described scheduling network element is according to the information obtained from uplink feedback, in conjunction with default criterion, determines described MBMS data being switched on or off in this community of Nei Ge community, MBSFN region.

The described information that obtains from uplink feedback is: described MBSFN region receives Zhong Mou community/and accurate The number of users of the standby described MBMS received.

Described criterion is:

Whether the community in described MBSFN region exists the user receiving described MBMS, or Receive the number of users of described MBMS less than predetermined threshold value.

Described schedulable condition is the Radio Resource number that non-MBMS needs to take, described with MBSFN district Community in territory is that object carries out the scheduling of MBMS and includes:

Described scheduling network element, according to the size of the Radio Resource taken required for non-MBMS, is closed/is opened Open the transmission of described MBMS.

Described schedulable condition is the request from OAM, and described community in MBSFN region is as object The scheduling carrying out MBMS includes:

Described scheduling network element determines the MBMS industry in Nei Ge community, MBSFN region according to the request of OAM Being switched on or off of business data.

The described community in the MBSFN region MBMS as object is scheduling to: at described MBSFN In region, with community and/or evolution base station eNB as granularity, turn on one or more MBMS Business.

Described with community for granularity it is: one or more MBMS of described on/off send Time, it is separately turned on/turns off the one or more communities under an eNB controls.

Described eNB is that granularity is: all communities under controlling with eNB as granularity, described in open When opening/turn off the transmission of one or more MBMS, all communities under controlling for this eNB are same Time on/off.

Described scheduling network element is eNB.

Described scheduling network element is multiple cell/multicast coordination entity MCE, or broadcast multicast service center BM-SC, Or MBMS gateway MBMS-GW；

Scheduling network element, according to schedulable condition, enters with the community in multicast single frequency network MBSFN region for object The scheduling of row multimedia broadcast multi-broadcasting business MBMS specifically includes:

Described scheduling network element is according to the information from eNB, and turns on the MBMS of certain community Merge the impact of gain after transmission for facing community MBSFN, decide whether to turn on this MBMS industry Business；And unlatching/closedown MBMS is put into decision be sent to corresponding eNB；The eNB receiving decision opens Open/close corresponding MBMS.

The described information from eNB is: receive/UE the number of the MBMS of reception interested, Or eNB makes the community under it controls and turns on/off the decision of corresponding MBMS.

Described scheduling network element be sent to the instruction information that the unlatching of eNB/closedown MBMS determines include with Lower one or combination in any:

Certain/some eNB under one or more communities on/off instruction, this instruction information includes Cell ID；Or,

Certain/some eNB under whole communities on/off instruction, this instruction information includes that eNB marks Know；Or,

All communities under whole scheduling network element turn on instruction simultaneously.

A kind of system realizing MBMS scheduling, at least includes dispatching network element, is provided with dispatching bar Part, for according to schedulable condition, carries out the tune of MBMS with the community in MBSFN region for object Degree.

Described scheduling network element is eNB；

Or, described scheduling network element is MCE or BM-SC or MBMS-GW.

When described scheduling network element is MCE or BM-SC or MBMS-GW, this system also includes eNB；

Wherein, described scheduling network element, for performing to be switched on or off MBMS according to schedulable condition Decision, and decision is informed to eNB；

Described eNB, for performing the concrete control to MBMS.

The technical scheme provided from the invention described above is it can be seen that the present invention arranges scheduling bar scheduling network element Part, and according to schedulable condition, carry out the scheduling of MBMS with the community in MBSFN region for object. Pass through the inventive method, it is achieved that the MBMS scheduling with the community in MBSFN region as object, Avoid in the community not having user to receive MBMS, or this community receives the user of MBMS When number is less than threshold value, closes the MBMS transmission in this community, thus improve the profit of Radio Resource By rate, it is to avoid launch the waste of power.

Accompanying drawing explanation

Fig. 1 is existing MBSFN area logic schematic diagram；

Fig. 2 is the schematic diagram of MBMS carrying framework in prior art；

Fig. 3 is the relation schematic diagram of MCCH MP and MCCH RP in prior art；

Fig. 4 is that in prior art, the logic of Scheduling Block setting in dynamic scheduling period and MBMS is closed It it is schematic diagram；

Fig. 5 is the flow chart that the present invention realizes the method for MBMS scheduling；

Fig. 6 is the flow chart that the present invention realizes the first embodiment of the method for MBMS scheduling；

Fig. 7 is the flow chart that the present invention realizes the second embodiment of the method for MBMS scheduling；

Fig. 8 is the MBSFN region composition logical schematic in the embodiment of the present invention；

Fig. 9 is in the embodiment of the present invention, closes Radio Resource carrying schematic diagram after MBMS service B；

Figure 10 is in the embodiment of the present invention, closes Radio Resource carrying schematic diagram after MBMS service C.

Detailed description of the invention

Fig. 5 is the flow chart that the present invention realizes the method for MBMS scheduling, as it is shown in figure 5, include:

Step 500: pre-set schedulable condition.

In this step, schedulable condition can be the uplink feedback receiving UE, and/or non-MBMS (Non-MBMS business) needs the Radio Resource number taken, and/or receives the request etc. from OAM.

Wherein, receive the uplink feedback of UE, refer to that network side (eNB or other network elements) triggers or UE Voluntarily by uplink feedback channel, will receive/prepare some shape of the UE of the MBMS received State attribute reports network side, and such as UE receives/the MBMS mark of reception interested.

Non-MBMS needs the Radio Resource number taken, and refers to non-MBMS business, the most single Broadcast the size of the Radio Resource taken required for business (unicast business).

From the request of OAM, refer to that the operative configuration from OAM indicates.

Step 501: scheduling network element, according to schedulable condition, is carried out with the community in MBSFN region for object The scheduling of MBMS.

Schedulable condition is used to the uplink feedback receiving UE, dispatch the network element information according to acquisition, than As MBSFN area Zhong Mou community receives/prepares the number of users of a certain MBMS received, This is received in conjunction with criterion such as certain community in MBSFN area may not have user MBMS or receive the number of users of this MBMS less than threshold value etc., determines MBSFN district MBMS data being switched on or off in this community of Yu Neige community；

Use non-MBMS to need the Radio Resource number that takies for schedulable condition, scheduling network element according to The size of the Radio Resource taken required for non-MBMS business, a certain MBMS of off/on Send.Such as, when dispatching the Radio Resource deficiency shared by its unicast service of NE Discovery, can pass through The MBMS closing Nei Mou community, MBSFN region or some community discharges part Radio Resource, enters One step ground, can be used for carrying unicast service by the Radio Resource of release, to improve resource utilization further；

The request from OAM, scheduling network element is used to determine according to the request of OAM for schedulable condition Being switched on or off of MBMS data in Nei Ge community, MBSFN region.

In this step, scheduling network element can be eNB, or other network element of network side such as MCE, BM-SC, MBMS-GW one or more.When dispatching network element and being eNB, by eNB according to schedulable condition Perform the scheduling that MBMS is switched on or off；When dispatching network element and being other network element, by other nets Unit performs, according to schedulable condition, the decision that is switched on or off MBMS, and decision is informed to ENB, is performed specifically to control by eNB.

In the present invention, the MBMS with the community in MBSFN region as object is scheduling to, In MBSFN region, with community and/or eNB as granularity, turn on some/certain some MBMS Business.Wherein, with eNB as granularity, refer to all communities under an eNB control as granularity, I.e. turn on some/certain some MBMS send time, will for this eNB control under all little District simultaneously turns on；With community as granularity, refer to turn on some/certain some MBMS industry When business sends, can be separately turned on/turn off the one or more communities under an eNB controls.

In the present invention, eNB turns on some or some MBMS is: several MBMS Business is sent to eNB from BM-SC, eNB perform on/off this or these MBMS industry Business, say, that, although whether eNB has been obtained for MBMS data, but performed to exist by eNB Launch these MBMS on Uu (eNB to UE eats dishes without rice or wine) interface, more clearly say and be exactly, though So BM-SC have sent several MBMS in a MBSFN region, but eNB can be at Uu Not sending these MBMS on interface, UE will not receive these MBMS.So, exist In one MBSFN region, whether several eNB the most therein send certain or some MBMS industry Business, these MBMS the most reach eNB from BM-SC through MBMS-GW, simply exist It is switched on or off sending by eNB on eating dishes without rice or wine.

ENB is according to himself or from the finger of other network element (such as: MCE, BM-SC, MBMS-GW) Show, control the part or all of community under it and turn on/off the transmission of all or part of MBMS.

Fig. 6 is the flow chart that the present invention realizes the first embodiment of the method for MBMS scheduling, as shown in Figure 6, Scheduling network element is eNB, has several eNB in MBSFN region, and eNB self decides whether to control at it One or more communities under Zhi or all community, turn on sending out of certain or certain several MBMS Send.Including:

Step 600:UE uplink feedback receives/MBMS of reception interested.

Each eNB in step 601:MBSFN region receives the uplink feedback information of its subordinate UE.

The schedulable condition that eNB uses, can be to receive it to control the uplink feedback of UE in lower community, it is possible to How many to be the Radio Resource taken according to its Non-MBMS needs, it is also possible to be in the request of OAM One or more.In the present embodiment, the UE getting its subordinate with each eNB in MBSFN region is up Feedback is described as a example by schedulable condition.In MBSFN region, each eNB gets the UE of its subordinate After uplink feedback, receiving according to each MBMS or the number of the UE being ready for receiving interested With the comparison of threshold value, on or off current eNB controlled under one or more communities or the least The transmission of certain in district/certain several MBMS.

Step 602:eNB, according to the uplink feedback information received, determines to open/close corresponding MBMS Business.In this step, eNB community at the control is switched on or off certain or certain several MBMS Method include: with community as granularity, be switched on or off its control under one or more communities；With eNB For granularity, it is switched on or off the whole communities under it controls simultaneously.

The present invention it is emphasised that with the community in MBSFN region for the scheduling of object implementatio8 MBMS, And the most concrete scheduling determines to turn on certain or some MBMS, belongs to those skilled in the art's Conventional techniques means, its specific implementation is not intended to limit the scope of the invention.

Step 603:eNB performs to open/close corresponding MBMS.

Fig. 7 is the flow chart that the present invention realizes the second embodiment of the method for MBMS scheduling, in the present embodiment, In MBSFN region several eNB receive from other network element (such as MCE or BM-SC or MBMS-GW, is described in the present embodiment as a example by MCE) instruction information, perform its control Under one or more or whole communities, turn on the transmission of certain or certain several MBMS, as Shown in Fig. 7, including:

Step 700:UE uplink feedback/MBMS of reception interested.

Each eNB belonging to step 701:MBSFN region receives the uplink feedback information of its subordinate UE.

The uplink feedback information got is sent to MCE by step 702:eNB.

In this step, after in MBSFN region, each eNB gets the UE uplink feedback of its subordinate, will The information obtained feeds back to MCE.Specifically feed back to the information of MCE, can be to receive/interested connecing The UE number of MBMS received, or eNB makes it and controls lower community and turn on/off corresponding MBMS The decision of business；Wherein, if being made it by eNB to control the lower community corresponding MBMS of on/off certainly If Ding, eNB can control the uplink feedback of UE in lower community according to receiving it, and/or according to it Non-MBMS needs the Radio Resource that takies how many, and/or is scheduling from the request of OAM.

Step 703:MCE comprehensive eNB uplink feedback information and the impact being combined gain, decision unlatching/ Close corresponding MBMS.

In this step, the information that MCE receives according to it, consider to turn on/off the MBMS of this community simultaneously Merge the impact of gain after business transmission for facing community MBSFN, be made whether to turn on this MBMS Business.Implementing and belong to those skilled in the art's conventional techniques means, its specific implementation need not limit Protection scope of the present invention, I will not elaborate.

Unlatching/closedown MBMS is determined to be sent to corresponding eNB by step 704:MCE.

In this step, MCE is sent to the instruction information that the unlatching/closedown MBMS of eNB determines, can To be one or the combination in any of in the following manner:

1) certain/some eNB under one or more communities on/off instruction, this instruction information need Including cell ID；

2) certain/some eNB under whole communities on/off instruction, this instruction information need include ENB identifies, and can not include cell ID；

3) all communities under whole MCE turn on instruction simultaneously, i.e. this MCE control under whole The on/off instruction of the whole communities under eNB.

Corresponding MBMS is opened/closed to step 705:eNB.In this step, eNB receive from The instruction information of other network element, by the one or more or whole communities under eNB its control on or off In, certain/transmission of certain several MBMS.

Also provide for a kind of system realizing MBMS scheduling for the inventive method, at least include dispatching net Unit, is provided with schedulable condition, is used for according to schedulable condition, is right with the community in MBSFN region As carrying out the scheduling of MBMS.

Scheduling network element is eNB, or other network element such as MCE, BM-SC, MBMS-GW of network side its In one or more.When dispatching other network element that network element is network side, this system also includes eNB, its In, other network elements, for the decision performing MBMS is switched on or off according to schedulable condition, and Decision is informed to eNB；ENB, for performing the concrete control to MBMS.

Form logic chart below in conjunction with the MBSFN region shown in Fig. 8, the inventive method is retouched in detail State.Fig. 8 is the MBSFN region composition logical schematic in the embodiment of the present invention, as shown in Figure 8, false If MBSFN region is formed (community that in Fig. 8, in circle, dash area shows) by 7 communities.MBSFN Region carries 3 MBMS: MBMS service A, MBMS service B and MBMS service C.To put it more simply, assume that these three MBMS is already in ongoing state, and this Three corresponding same MCH of business, concrete Radio Resource carries as shown in Figure 4, the horizontal line shade table of overstriking Show Scheduling Block, MBMS service A, the MBMS in MBMS Fig. 4 that other shadow representation is different Service B and MBMS service C, blank parts represents does not has data or filler.

First embodiment, it is assumed that receiving the UE of MBMS in MBSFN area under each eNB By uplink feedback, the MBMS it received offers the most affiliated eNB nominally；Each The feedback information that eNB is obtained carries out whole, as a example by a certain eNB such as eNB X, concrete such as table 1 Shown in:

MBMS title	The UE number (unit: individual) received
		MBMS service A	20
MBMS service B	0
		MBMS service C	15

Table 1

Each eNB utilizes the information integrated, and is scheduling MBMS, determines and turns on/off certain / some MBMS.First embodiment is implemented as follows:

ENB X knows that the UE number receiving MBMS service B in its affiliated subdistrict is 0, therefore, ENB X determines to close the MBMS service B transmission in its affiliated subdistrict.From the point of view of Radio Resource angle, Fig. 9 is in the embodiment of the present invention, closes Radio Resource carrying schematic diagram after MBMS service B, eNB X Multicast subframe configuration and application as it is shown in figure 9, at Radio Resource corresponding to MBMS service B no longer Send the business datum of MBMS service B.Further, it is contemplated that the restriction that MBSFN technology merges, In order to not affect MBMS service A and the transmission of MBMS service C, MBMS service B is at head At/tail, the Radio Resource with MBMS service A and MBMS service C multiplexing remains a need for sending MBMS Service B business datum；Therefore, the filling identified with double vertical lines in Fig. 9 is indicated.

It is possible to further the multicast resource corresponding to the MBMS service B business that will turn off, such as Fig. 9 Multicast subframe shown in empty transmits unicast service, further increases resource utilization.

Second embodiment, it is assumed that receiving the UE of MBMS in MBSFN area under each eNB By uplink feedback, the MBMS it received offers the most affiliated eNB nominally；Each The feedback information that eNB is obtained carries out whole, as a example by a certain eNB such as eNB Y, concrete such as table 2 Shown in:

MBMS title	The UE number (unit: individual) received
		MBMS service A	30
MBMS service B	25
		MBMS service C	0

Table 2

ENB by integrate information reporting to MCE；The information reporting MCE can be each MBMS The UE number that service is receiving, or whether eNB send for each MBMS service Determine.In second embodiment, whether it sends for each MBMS service to report MCE with eNB Decision；Specific as follows:

ENB Y knows that the UE number receiving MBMS service C in its affiliated subdistrict is 0, therefore, ENB Y tentatively determines to close the MBMS service C transmission in its affiliated subdistrict, and tentatively determines it to send out Give MCE；MCE receives and after the feedback information of each eNB, comprehensively examines in MBSFN area Consider eNB Y and tentatively close the decision of MBMS service C, and close MBMS service in eNB Y C sends for facing the impact that cell MBMS service C receives, and makes on final plant closure eNB Y The decision of MBMS service C；

It is little belonging to it that finally decision is sent to eNB Y, eNB Y closedown MBMS service C by MCE The transmission in district.Figure 10 is in the embodiment of the present invention, and after closing MBMS service C, Radio Resource carrying is shown Being intended to, the multicast subframe of eNB Y configures and applies as shown in Figure 10, corresponding to MBMS service C The business datum of MBMS service C is not retransmited at Radio Resource.Merge in view of MBSFN technology Limiting, in order to not affect the transmission of MBMS service B, MBMS service C is at head and MBMS The Radio Resource of service B multiplexing remain a need for send MBMS service C business datum, as in Figure 10 with Shown in the filling of cross hatching mark.Owing to MBMS service C is positioned at the end of dispatching cycle, scheduling week Will not send for its follow-up MBMS in phase and produce impact, the most not consider further that the filling at end.

Further, utilize the multicast resource corresponding to the MBMS service C business that will turn off (such as figure Multicast subframe shown in 10 empty) transmit unicast service, to improve resource utilization further.

3rd embodiment, it is assumed that in MBSFN area, each eNB determines the MBMS industry of its affiliated subdistrict What business sent is switched on or off.Execution is switched on or off sending out of a certain/some MBMS by each eNB Send, the 3rd embodiment turns off by a certain eNB such as eNB Z and illustrates as a example by MBMS service B.

ENB Z determines and performs to close the MBMS service B transmission in its affiliated subdistrict；From Radio Resource Angle, the multicast subframe configuration of eNB Z and application are as shown in Figure 9.

4th embodiment, it is assumed that determined the MBMS of each eNB affiliated subdistrict in MBSFN area by MCE What business sent is switched on or off；Each eNB according to the decision of MCE, perform to be switched on or off a certain/ The transmission of some MBMS.Turn off as a example by MBMS service B by a certain eNB such as eNB M, ENB M determines and performs to close the MBMS service B transmission in its affiliated subdistrict, from Radio Resource angle Degree, the multicast subframe configuration of eNB M and application are as shown in Figure 9.

5th embodiment, it is assumed that in MBSFN area, each eNB determines the MBMS industry of its affiliated subdistrict What business sent is switched on or off.Execution is switched on or off sending out of a certain/some MBMS by each eNB Send；Turning off as a example by MBMS service B by a certain eNB such as eNB N, eNB N is according to its Non-MBMS Radio Resource required for business is not enough, closes the MBMS service B transmission in its affiliated subdistrict, from nothing Line resource view, the multicast subframe configuration of eNB N and application are as shown in Figure 9.

Sixth embodiment, it is assumed that in MBSFN area, each eNB determines the MBMS industry of its affiliated subdistrict What business sent is switched on or off.Execution is switched on or off the transmission of a certain/a little MBMS by each eNB, Turning off as a example by MBMS service B by a certain eNB such as eNB Q, eNB Q is according to OAM belonging to it Configuration, closes the MBMS service B transmission in its affiliated subdistrict, from Radio Resource angle, eNB Q's Multicast subframe configuration and application are as shown in Figure 9.

The above, only presently preferred embodiments of the present invention, it is not intended to limit the protection model of the present invention Enclose, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, all should Within being included in protection scope of the present invention.

Claims (7)

1. the method realizing MBMS scheduling, it is characterised in that pre-set schedulable condition, Also include:

Scheduling network element, according to schedulable condition, enters with the community in multicast single frequency network MBSFN region for object The scheduling of row multimedia broadcast multi-broadcasting business MBMS, specifically includes:

Described scheduling network element is according to the information from eNB, and turns on the MBMS of certain community Merge the impact of gain after transmission for facing community MBSFN, decide whether to turn on this MBMS industry Business；And determine to be sent to corresponding eNB by unlatching/closedown MBMS；Receive decision eNB open/ Close corresponding MBMS；Wherein, scheduling network element is multiple cell/multicast coordination entity MCE, or extensively Broadcast multicast service center BM-SC, or MBMS gateway MBMS-GW；

The described information from eNB is: receive/UE the number of the MBMS of reception interested, Or eNB makes the community under it controls and turns on/off the decision of corresponding MBMS；Wherein, described eNB Make the community under it controls and turn on/off the decision of corresponding MBMS, including:

When described schedulable condition is the uplink feedback receiving UE, described eNB according to UE feed back upper Row receives the information of MBMS, in conjunction with default criterion, each little in determining described MBSFN region MBMS data being switched on or off in this community in district；Wherein, described criterion is: described Community in MBSFN region receives the number of users of described MBMS whether less than predetermined threshold value；

The uplink feedback of described UE includes that UE receives/the MBMS of reception interested mark.

Method the most according to claim 1, it is characterised in that the uplink receiving of described UE feedback The information of MBMS is: receive/prepare the described of reception in Zhong Mou community, described MBSFN region The number of users of MBMS.

Method the most according to claim 1 and 2, it is characterised in that described with in MBSFN region The MBMS that community is object be scheduling to: in described MBSFN region, with community and/or drill Entering base station eNB is granularity, turns on one or more MBMS.

Method the most according to claim 3, it is characterised in that described with community for granularity be: institute When stating on/off one or more MBMS transmission, it is separately turned on/turns off an eNB and control Under one or more communities.

Method the most according to claim 3, it is characterised in that described eNB is that granularity is: with All communities under one eNB controls are granularity, one or more MBMS of described on/off When business sends, all communities under controlling for this eNB turn on simultaneously.

Method the most according to claim 1, it is characterised in that described scheduling network element is sent to eNB The instruction information that determines of unlatching/closedown MBMS include following one or combination in any:

Certain/some eNB under one or more communities on/off instruction, this instruction information includes Cell ID；Or,

Certain/some eNB under whole communities on/off instruction, this instruction information includes that eNB marks Know；Or,

All communities under whole scheduling network element turn on instruction simultaneously.

7. one kind realize MBMS scheduling system, it is characterised in that at least include dispatch network element and eNB；Described scheduling network element is provided with schedulable condition；

When scheduling network element is multiple cell/multicast coordination entity MCE, or broadcast multicast service center BM-SC, Or during multimedia broadcast multi-broadcasting business MBMS gateway MBMS-GW, for according to schedulable condition, with Community in MBSFN region is the scheduling that object carries out MBMS；

Described scheduling network element is additionally operable to, and according to the information from eNB, and turns on certain community Merge the impact of gain after MBMS service transmission for facing community MBSFN, decide whether that on/off should MBMS；And determine to be sent to corresponding eNB by unlatching/closedown MBMS；Receive the eNB of decision Open/close corresponding MBMS；

The described information from eNB is: receive/UE the number of the MBMS of reception interested, Or eNB makes the community under it controls and turns on/off the decision of corresponding MBMS；

Accordingly, described eNB, it is used for when described schedulable condition is the uplink feedback receiving UE, root According to the information of the uplink receiving MBMS of UE feedback, in conjunction with default criterion, determine described MBMS data being switched on or off in this community of Nei Ge community, MBSFN region；Wherein, described Criterion is: the number of users receiving described MBMS in the community in described MBSFN region is No less than predetermined threshold value；

The uplink feedback of described UE includes that UE receives/the MBMS of reception interested mark.