CN102045642A - Service flow shaping preprocessing method and device for multimedia broadcast multicast service - Google Patents
Service flow shaping preprocessing method and device for multimedia broadcast multicast service Download PDFInfo
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Abstract
The invention discloses a service flow shaping preprocessing method and a service flow shaping preprocessing device for multimedia broadcast multicast services (MBMS). The method comprises that: a broadcast multicast service center (BM-SC) establishes one or more synchronization protocol entities for the MBMS according to the area distribution condition of the MBMS, wherein the area distribution condition comprises an area overlapping condition and/or an area non-overlapping condition. The device comprises an entity establishing module for establishing one or more synchronization protocol entities for the MBMS according to the area distribution condition of the MBMS, wherein the area distribution condition comprises the area overlapping condition and/or the area non-overlapping condition. The invention improves the flow shaping processing flexibility.
Description
Technical field
The present invention relates to the communications field, particularly, relate to a kind of multimedia broadcast-multicast service (Multimedia Broadcast Multicast Services, abbreviate MBMS as) Business Stream moulding preprocess method and broadcast multicast service center (Broadcast Multicast Service Center abbreviates BM-SC as).
Background technology
In order to effectively utilize mobile network resource, third generation partner program (3rd Generation Partnership Project, abbreviate 3GPP as) MBMS proposed, this business transmits data from a data source to a plurality of targets, realize sharing of network (comprising core net and Access Network) resource, improved the utilance of Internet resources (especially air interface resource).The MBMS of 3GPP definition not only can realize the classes of messages multicast and the broadcasting of plain text low rate, but also can realize the broadcasting and the multicast of high-speed multimedia business, therefore, multiple rich video, audio frequency and multimedia service can be provided, complied with the trend of following mobile data development, for the development of 3G provides better professional prospect.
In Long Term Evolution (Long-Term Evolution abbreviates LTE as), introduced Business Stream moulding (flow shaping) function.This function is used for the data burst of too concentrating is carried out smoothing processing, satisfies the requirement of eating dishes without rice or wine to handle to ensure the business datum of sending from BM-SC, prevents the problem that can't send because data volume too much causes eating dishes without rice or wine.This function is carried out work according to following one or several conditions: data volume, the multiplexing relation of the allocation of radio resources situation of Access Network side, the Radio Resource behaviour in service of Access Network side, arrival, whether be in same MBSFN district.
In LTE, the MBMS business can adopt the work of multicast pattern, be called single frequency network multicast broadcast (Multicast/Broadcast over Single Frequency Network, abbreviate MBSFN as) sending mode, the MBMS business that adopts the multicast pattern to take place is also referred to as the MBSFN business, can adopt identical modulating-coding form in a plurality of sub-districts, and adopting identical physical resource to send identical content, the feature of the many cell transmission of MBSFN comprises: in the inter-sync transmission of MBSFN zone; Support many cell MBMS transmission to merge; Multicast service channel (Multicast traffic Channel abbreviates MTCH as) and multicast control channel (Multicast Control Channel abbreviates MCCH as) are mapped on the MCH transmission channel putting under multiple spot (p-T-m) pattern; The MBSFN retaining zone, the MBSNF zone is by the semi-static configuration of Operation and Maintenance.
At present, MBMS business of 3GPP regulation has only a synchronous protocol entity (SYNC Entity), even BM-SC has connected a plurality of RAN, for some MBMS business, BM-SC still unifies to handle.For example, as shown in Figure 1, professional A exists in RAN1, RAN2, three wireless networks of RAN3, a MBMS business has only a synchronous protocol entity, that is, the packet of a MBMS business only may be stamped a timestamp, can not stamp different timestamps to same business data packet.
In fact, situations such as the Radio Resource situation in RAN1, RAN2, three wireless networks of RAN3, the business datum amount of arrival and multiplexing relation may be all different, for example, that possibility is multiplexing among the RAN1 is professional A and professional C, multiplexing in RAN2 is professional A, professional B and professional C, and multiplexing in RAN3 is professional A, professional B and professional D, this just requires BM-SC to carry out different flow shaping processing according to the situation separately of three wireless networks.And among the existing 3GPP, because a business has only a synchronous protocol entity, can only on BM-SC, carry out unified flow shaping to handle, can't satisfy above-mentioned situation.
Therefore, have only a synchronous protocol entity to cause (for example, RAN) using under this professional situation, can't carrying out the problem that flow shaping handles respectively, do not propose effective solution at present as yet at business in the correlation technique at a plurality of service areas.
Summary of the invention
The technical problem to be solved in the present invention provides Business Stream moulding preprocess method and the BM-SC of a kind of MBMS, have only a synchronous protocol entity to cause using under this professional situation so that solve a business, can't carry out the problem that flow shaping handles respectively at a plurality of service areas.
A kind of Business Stream moulding preprocess method of multimedia broadcast-multicast service is provided to achieve these goals, according to an aspect of the present invention.
Business Stream moulding preprocess method according to multimedia broadcast-multicast service of the present invention comprises: broadcast multicast service center BM-SC sets up one or more synchronous protocol entities according to the area distribution situation of MBMS business for the MBMS business, wherein, the area distribution situation comprises situation and/or regional nonoverlapping situation of region overlapping.
Preferably, BM-SC sets up one or more synchronous protocol entities according to the area distribution situation of MBMS business for the MBMS business and comprises: BM-SC determines one or more regional ensembles according to the area distribution situation of MBMS business, and be the professional foundation of the MBMS synchronous protocol entity identical with the quantity of regional ensemble, wherein, regional ensemble is the single zone at the professional place of MBMS or a plurality of zones that the professional place of overlapping MBMS occurs.
Preferably, the zone comprise following one of at least: service area, single frequency network multicast broadcast MBSFN district.
Preferably, BM-SC sets up one or more synchronous protocol entities according to the area distribution situation of MBMS business for the MBMS business and comprises: BM-SC determines the multiplexed situation of MBMS business according to the area distribution situation of MBMS business; BM-SC sets up one or more synchronous protocol entities according to the multiplexed situation of MBMS business for the MBMS business.
Preferably, BM-SC determines that according to the area distribution situation of MBMS business the multiplexed situation of MBMS business comprises: MCE determines the multiplexed situation of MBMS business according to the area distribution situation of MBMS business, and MCE notifies BM-SC with multiplexed situation; Perhaps, BM-SC directly determines the multiplexed situation of MBMS business according to the area distribution situation of MBMS business.
Preferably, BM-SC sets up after one or more synchronous protocol entities for the MBMS business according to the area distribution situation of MBMS business, and said method also comprises: to be that MBMS is professional set up the carrying identical with the quantity of synchronous protocol entity to the MBMS gateway.
Preferably, the MBMS gateway is after the professional foundation of MBMS is carried, said method also comprises: BM-SC is defined as the mode that the MBMS business is carried out the Business Stream moulding according to predetermined information, and the MBMS business is carried out the Business Stream moulding according to mode, wherein, predetermined information comprises: the multiplexed situation of MBMS business.
Preferably, predetermined information also comprises: current resource operating position.
To achieve these goals, according to another aspect of the present invention, provide a kind of BM-SC.
BM-SC according to the present invention comprises: entity is set up module, be used for setting up one or more synchronous protocol entities for the MBMS business according to the area distribution situation of MBMS business, wherein, the area distribution situation comprises situation and/or regional nonoverlapping situation of region overlapping.
Preferably, entity is set up module and is set up one or more synchronous protocol entities according to overlapping situation of the service area of MBMS business and/or MBSFN area overlapping situation for the MBMS business.
By the present invention, employing is set up one or more synchronous protocol entities according to the area distribution situation of MBMS business for this business, having solved a business has only a synchronous protocol entity to cause using under this professional situation at a plurality of service areas, can't carry out the problem that flow shaping handles respectively, can set up one or more synchronous protocol entities flexibly and then carry out flow shaping respectively according to the area distribution situation of business, improve the flexibility that flow shaping handles according to the multiplexed situation of business.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is that MBMS business according to correlation technique is at different business district distribution situation schematic diagram;
Fig. 2 is the flow chart according to the Business Stream moulding preprocess method of the MBMS of the embodiment of the invention;
Fig. 3 is that the MBMS business of the example 1 according to the present invention is in the different business district and/or the distribution situation schematic diagram in MBSFN district;
Fig. 4 is that the MBMS business of the example 2 according to the present invention is in the different business district and/or the distribution situation schematic diagram in MBSFN district;
Fig. 5 is that the MBMS business of the example 3 according to the present invention is in the different business district and/or the distribution situation schematic diagram in MBSFN district;
Fig. 6 is that the MBMS business of the example 4 according to the present invention is in the different business district and/or the distribution situation schematic diagram in MBSFN district.
Embodiment
Functional overview
Consider problems of the prior art, the embodiment of the invention provides the Business Stream moulding pretreating scheme of a kind of MBMS, the treatment principle of this scheme is: broadcast multicast service center BM-SC sets up one or more synchronous protocol entities according to the area distribution situation of MBMS business for the MBMS business, wherein, the area distribution situation comprises situation and/or regional nonoverlapping situation of region overlapping.This scheme can be carried out flow shaping to the MBMS business flexibly.
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Method embodiment
According to embodiments of the invention, the Business Stream moulding preprocess method of a kind of MBMS is provided, Fig. 2 is the flow chart according to the Business Stream moulding preprocess method of the MBMS of the embodiment of the invention, and as shown in Figure 2, this method comprises that following step S202 is to step S206:
Step S202, broadcast multicast service center BM-SC sets up one or more synchronous protocol entities according to the area distribution situation of MBMS business for the MBMS business, and wherein, the area distribution situation comprises situation and/or regional nonoverlapping situation of region overlapping.Particularly, BM-SC determines one or more regional ensembles according to the area distribution situation of MBMS business, and be the professional foundation of the MBMS synchronous protocol entity identical with the quantity of regional ensemble, wherein, regional ensemble is the single zone at the professional place of MBMS or a plurality of zones that the professional place of overlapping MBMS occurs.
In actual applications, BM-SC determines the multiplexed situation of MBMS business according to the area distribution situation of MBMS business; BM-SC sets up one or more synchronous protocol entities according to the multiplexed situation of MBMS business for the MBMS business.MCE can determine the multiplexed situation of MBMS business according to the area distribution situation of MBMS business, and MCE notifies BM-SC with multiplexed situation; Perhaps, BM-SC also can directly determine the multiplexed situation of MBMS business according to the area distribution situation of MBMS business.
In step S202, above-mentioned zone comprise following one of at least: service area, single frequency network multicast broadcast MBSFN district.
Step S204, MBMS gateway are the professional foundation of the MBMS carrying identical with the quantity of synchronous protocol entity.
Step S206, BM-SC is defined as the mode that the MBMS business is carried out the Business Stream moulding according to predetermined information, and according to this mode the MBMS business is carried out the Business Stream moulding, and wherein, predetermined information can comprise: the multiplexed situation of MBMS business.Alternatively, predetermined information can also comprise: current resource operating position.In the Business Stream moulding preprocess method of the MBMS that the embodiment of the invention provides, BM-SC carries out flow shaping according to following at least one condition: the overlapping situation in corresponding business district (service area), the overlapping situation of corresponding M BSFNarea, in this process, need set up at least one SYNC entity, and set up a service bearer at each SYNC entity.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Four kinds of types of service in the example of the present invention are respectively: professional A, national business; Professional B, paid service; Professional C, regional businesses; Professional D, regional businesses.
Example 1
In this example, determine to set up the number of synchronous protocol entity according to the service area distribution situation of MBMS business, and and then set up the carrying of respective numbers and carry out corresponding flow shaping.Fig. 3 be the MBMS business of example 1 according to the present invention in the different business district and/or the distribution situation schematic diagram in MBSFN district, as shown in Figure 3, the distributed areas of four kinds of business (that is the area of coverage) relation is as follows:
1. professional A and professional C are overlapping fully at the RAN1 service area; But professional A and professional C do not belong to same MBSFN district;
2. professional A, professional B and professional C are overlapping fully at the RAN2 service area; But professional A, professional B and professional C do not belong to same MBSFN district;
3. professional A, professional B and professional D are overlapping fully at the RAN3 service area; But professional A, professional B and professional D do not belong to same MBSFN district.
Step 1:, determine multiplexing result according to above-mentioned situation:
1. professional A and professional C are multiplexing at the RAN1 area of coverage;
2. professional A, professional B and professional C are multiplexing at the RAN2 area of coverage;
3. professional A, professional B and professional D are multiplexing at the RAN3 area of coverage.
Concrete, the result of service integration can be determined according to Radio Resource by MCE, and should multiplexing result indicate to BM-SC; Perhaps, determine the service integration result by BM-SC.
Step 2: BM-SC is that above-mentioned business is set up the synchronous protocol entity according to zone (service area) distribution situation of above-mentioned business, particularly:
1. set up synchronous protocol entity A 1 and C1 respectively for professional A and professional C in the RAN1 area of coverage;
2. set up synchronous protocol entity A 2, B1 and C2 respectively for professional A, professional B and professional C in the RAN2 area of coverage.
3. set up synchronous protocol entity A 3, B2 and D1 respectively for professional A, professional B and professional D in the RAN3 area of coverage.
Step 3: MBMS-GW sets up a service bearer at each synchronous protocol entity of each business.Concrete, set up service bearer at the professional A in the RAN1 area of coverage; Set up service bearer at the professional C in the RAN1 area of coverage; Set up service bearer at the professional A in the RAN2 area of coverage; Set up service bearer at the professional B in the RAN2 area of coverage; Set up service bearer at the professional C in the RAN2 area of coverage; Set up service bearer at the professional A in the RAN3 area of coverage; Set up service bearer at the professional B in the RAN3 area of coverage; Set up service bearer at the professional D in the RAN3 area of coverage.The parameter of service bearer comprises with the next item down or multinomial: service identification, multicast address, quality of service (QoS, quality of service), service area (MBMS service area), TA (tracking area, tracking area).In actual applications, set up after the carrying, MBMS-GW distributes an IP multicast address for each service bearer.
Step 4: BM-SC is according to the service integration situation, and optionally, comprises that also resource information (that is current resource operating position) determines to carry out the concrete mode of flow shaping.Concrete, professional A and professional C are fed back to BM-SC in RAN1 area of coverage multiplexed information, BM-SC determines the concrete mode of flow shaping at professional A and professional C in the RAN1 zone; Professional A, professional B and professional C are fed back to BM-SC in RAN2 area of coverage multiplexed information, and BM-SC determines the concrete mode of flow shaping at professional A, professional B and professional C in the RAN2 zone; Professional A, professional B and professional D are fed back to BM-SC in RAN3 area of coverage multiplexed information, and BM-SC determines the concrete mode of flow shaping at professional A, professional B and professional D in the RAN3 zone.Afterwards, BM-SC carries out flow shaping according to definite good mode respectively to business.
In this example, distribution situation according to the service area at the professional place of MBMS is carried out the foundation of synchronous protocol entity, because each service area at single professional place is underlapped, therefore, the number of the synchronous protocol entity of setting up is identical with the service area number at this business place, the number of the carrying of setting up is identical with the quantity of synchronous protocol entity, at this business (for example in the actual conditions in different business district, multiplexed situation) different flow shaping modes can be set respectively, and then carry out independently flow shaping processing.
Example 2
In this example, determine to set up the number of synchronous protocol entity according to the service area distribution situation of MBMS business, and and then set up the carrying of respective numbers and carry out corresponding flow shaping.Fig. 4 be the MBMS business of example 2 according to the present invention in the different business district and/or the distribution situation schematic diagram in MBSFN district, as shown in Figure 4, the distributed areas of four kinds of business (that is the area of coverage) relation is as follows:
1. professional A and professional C are overlapping fully at the RAN1 service area; And professional A and professional C belong to same MBSFN district;
2. professional A, professional B and professional C are overlapping fully at the RAN2 service area; And professional A, professional B and professional C belong to same MBSFN district;
3. professional A, professional B and professional D are overlapping fully at the RAN3 service area; And professional A, professional B and professional D belong to same MBSFN district.
Step 1:, determine multiplexing result according to above-mentioned situation:
1. professional A and professional C are multiplexing at the RAN1 area of coverage;
2. professional A, professional B and professional C are multiplexing at the RAN2 area of coverage;
3. professional A, professional B and professional D are multiplexing at the RAN3 area of coverage.
Step 2: BM-SC is that above-mentioned business is set up the synchronous protocol entity according to zone (service area) distribution situation of above-mentioned business, particularly:
1. set up synchronous protocol entity A 1 and C1 respectively for professional A and professional C in the RAN1 area of coverage;
2. set up synchronous protocol entity A 2, B1 and C2 respectively for professional A, professional B and professional C in the RAN2 area of coverage;
3. set up synchronous protocol entity A 3, B2 and D1 respectively for professional A, professional B and professional D in the RAN3 area of coverage.
Step 3: MBMS-GW sets up a service bearer at each synchronous protocol entity of each business.Concrete, set up service bearer at the professional A in the RAN1 area of coverage; Set up service bearer at the professional C in the RAN1 area of coverage; Set up service bearer at the professional A in the RAN2 area of coverage; Set up service bearer at the professional B in the RAN2 area of coverage; Set up service bearer at the professional C in the RAN2 area of coverage; Set up service bearer at the professional A in the RAN3 area of coverage; Set up service bearer at the professional B in the RAN3 area of coverage; Set up service bearer at the professional D in the RAN3 area of coverage.In actual applications, set up after the carrying, MBMS-GW distributes an IP multicast address for each service bearer.
Step 4: BM-SC is according to the service integration situation, and optionally, comprises that also resource information (that is current resource operating position) determines to carry out the concrete mode of flow shaping.Concrete, professional A and professional C are fed back to BM-SC in RAN1 area of coverage multiplexed information, BM-SC determines the concrete mode of flow shaping at professional A and professional C in the RAN1 zone; Professional A, professional B and professional C are fed back to BM-SC in RAN2 area of coverage multiplexed information, and BM-SC determines the concrete mode of flow shaping at professional A, professional B and professional C in the RAN2 zone; Professional A, professional B and professional D are fed back to BM-SC in RAN3 area of coverage multiplexed information, and BM-SC determines the concrete mode of flow shaping at professional A, professional B and professional D in the RAN3 zone.Afterwards, BM-SC carries out flow shaping according to definite good mode respectively to business.
In this example, distribution situation according to the service area at the professional place of MBMS is carried out the foundation of synchronous protocol entity, because each service area at single professional place is underlapped, therefore, the number of the synchronous protocol entity of setting up is identical with the service area number at this business place, the number of the carrying of setting up is identical with the quantity of synchronous protocol entity, at this business (for example in the actual conditions in different business district, multiplexed situation) different flow shaping modes can be set respectively, and then carry out independently flow shaping processing.
Example 3
In this example, determine to set up the number of synchronous protocol entity according to the service area distribution situation of MBMS business, and and then set up the carrying of respective numbers and carry out corresponding flow shaping.Fig. 5 be the MBMS business of example 3 according to the present invention in the different business district and/or the distribution situation schematic diagram in MBSFN district, as shown in Figure 5, the distributed areas of four kinds of business (that is the area of coverage) relation is as follows:
1. professional A and professional C are overlapping fully at the RAN1 service area; And professional A and professional C belong to same MBSFN district;
2. professional A, professional B and professional C are overlapping fully at the RAN2 service area; And professional A, professional B and professional C belong to same MBSFN district;
3. professional A, professional B and professional D are overlapping fully at the RAN3 service area; And professional A, professional B and professional D belong to same MBSFN district;
4.RAN2 overlap with RAN3, and RAN2, RAN3 belong to different MBSFN districts.
Step 1:, determine multiplexing result according to above-mentioned situation:
1. professional A and professional C are multiplexing at the RAN1 area of coverage;
2. professional A, professional B are multiplexing at RAN2, the RAN3 area of coverage;
3. professional C is multiplexing at the RAN2 area of coverage;
4. professional D is multiplexing at the RAN3 area of coverage.
Step 2: BM-SC is that above-mentioned business is set up the synchronous protocol entity according to zone (service area) distribution situation of above-mentioned business, particularly:
1. set up synchronous protocol entity A 1 and C1 respectively for professional A and professional C in the RAN1 area of coverage;
2. set up synchronous protocol entity A 2 and B1 respectively for professional A and professional B in RAN2, the RAN3 area of coverage;
3. set up synchronous protocol entity C2 for the professional C in the RAN2 area of coverage;
4. set up synchronous protocol entity D1 for the professional D in the RAN3 area of coverage.
Step 3: MBMS-GW sets up a service bearer at each synchronous protocol entity of each business.Concrete, set up service bearer at the professional A in the RAN1 area of coverage; Set up service bearer at the professional C in the RAN1 area of coverage; Set up service bearer at the professional A in the RAN2 and the RAN3 area of coverage; Set up service bearer at the professional B in the RAN2 and the RAN3 area of coverage; Set up service bearer at the professional C in the RAN2 area of coverage; Set up service bearer at the professional D in the RAN3 area of coverage.
Step 4: BM-SC is according to the service integration situation, and optionally, comprises that also resource information (that is current resource operating position) determines to carry out the concrete mode of flow shaping.Concrete, professional A and professional C are fed back to BM-SC in RAN1 area of coverage multiplexed information, BM-SC determines the concrete mode of flow shaping at professional A and professional C in the RAN1 zone; Professional A, professional B are fed back to BM-SC at RAN2 and RAN3 area of coverage multiplexed information, and BM-SC determines the concrete mode of flow shaping at professional A, professional B in RAN2 and the RAN3 zone; Professional C is fed back to BM-SC in RAN2 area of coverage multiplexed information, and BM-SC determines the concrete mode of flow shaping at professional C in the RAN2 zone; Professional D is fed back to BM-SC in RAN3 area of coverage multiplexed information, and BM-SC determines the concrete mode of flow shaping at professional D in the RAN3 zone.Afterwards, BM-SC carries out flow shaping according to definite good mode respectively to business.
In this example, distribution situation according to the service area at the professional place of MBMS is carried out the foundation of synchronous protocol entity, because the RAN2 and the RAN3 at professional A and professional B place are overlapping, therefore, for professional A sets up 2 synchronous protocol entities, for professional B sets up 1 synchronous protocol entity, the number of the carrying of setting up for each is professional is identical with the quantity of synchronous protocol entity that be each business foundation, at business (for example in the actual conditions in different business district, multiplexed situation) different flow shaping modes can be set respectively, and then carry out independently flow shaping processing.
Example 4
In this example, determine to set up the number of synchronous protocol entity according to the MBSFN district distribution situation of MBMS business, and and then set up the carrying of respective numbers and carry out corresponding flow shaping.Fig. 6 be the MBMS business of example 4 according to the present invention in the different business district and/or the distribution situation schematic diagram in MBSFN district, as shown in Figure 6, the distributed areas of four kinds of business (that is the area of coverage) relation is as follows:
1. professional A and professional C are overlapping fully at the RAN1 service area; And professional A and professional C belong to same MBSFN district, are designated as MBSFN AC district;
2. professional A and professional B are overlapping fully at RAN2, RAN3 and RAN4 service area; And professional A and professional B belong to same MBSFN district, are designated as MBSFN AB district;
3. belong to MBSFN C district at the professional C of RAN2 and RAN4;
4. belong to MBSFN D district at the professional D of RAN3 and RAN4;
5.MBSFN AC district, MBSFN AB district, MBSFN C district, MBSFN D district are different.
Step 1:, determine multiplexing result according to above-mentioned situation:
1. professional A and professional C are multiplexing at the RAN1 area of coverage;
2. professional A and professional B are at RAN2, and the RAN3 and the RAN4 area of coverage are multiplexing;
3. professional C is multiplexing at the RAN2 and the RAN4 area of coverage;
4. professional D is multiplexing at the RAN3 and the RAN4 area of coverage.
Step 2: BM-SC is that above-mentioned business is set up the synchronous protocol entity according to zone (MBSFN district) distribution situation of above-mentioned business, particularly:
1. set up service bearer A1 and C1 respectively for professional A and professional C in the RAN1 area of coverage;
2. be RAN2, professional A and professional B in the RAN3 and the RAN4 area of coverage (MBSFN AB district) set up service bearer A2 and B1 respectively;
3. set up service bearer C2 for the professional C in the RAN2 and the RAN4 area of coverage (MBSFN C district);
4. set up service bearer D1 for the professional D in the RAN3 and the RAN4 area of coverage (MBSFN D district).
Step 3: MBMS-GW sets up a service bearer at each synchronous protocol entity of each business.Concrete, set up service bearer at the professional A in the RAN1 area of coverage; Set up service bearer at the professional C in the RAN1 area of coverage; At at RAN2, the professional A in the RAN3 and the RAN4 area of coverage sets up service bearer; At at RAN2, the professional B in the RAN3 and the RAN4 area of coverage sets up service bearer; Set up service bearer at the professional C in the RAN2 and the RAN4 area of coverage; Set up service bearer at the professional D in the RAN3 and the RAN4 area of coverage.In actual applications, set up after the carrying, MBMS-GW distributes an IP multicast address for each service bearer.
Step 4: BM-SC is according to the service integration situation, and optionally, comprises that also resource information (that is current resource operating position) determines to carry out the concrete mode of flow shaping.Concrete, professional A and professional C are fed back to BM-SC in RAN1 area of coverage multiplexed information, BM-SC determines the concrete mode of flow shaping at professional A and professional C in the RAN1 zone; At RAN2, RAN3 and RAN4 area of coverage multiplexed information feed back to BM-SC with professional A and professional B, and BM-SC determines the concrete mode of flow shaping at professional A and professional B in RAN2, RAN3 and the RAN4 zone; Professional C is not carried out multiplexed information at RAN2 and the RAN4 area of coverage feed back to BM-SC, BM-SC determines the concrete mode of flow shaping at professional C in RAN2 and the RAN4 zone; Professional D is not carried out multiplexed information at RAN3 and the RAN4 area of coverage feed back to BM-SC, BM-SC determines the concrete mode of f1ow shaping at professional D in RAN2 and the RAN4 zone.Afterwards, BM-SC carries out flow shaping according to definite good mode respectively to business.
In this example, distribution situation according to the MBSFN district at the professional place of MBMS is carried out the foundation of synchronous protocol entity, because at RAN2, MBSFN area overlapping under the professional A among RAN3 and the RAN4, at RAN2, MBSFN area overlapping under the professional B among RAN3 and the RAN4, therefore, for professional A sets up 2 synchronous protocol entities, for professional B sets up 1 synchronous protocol entity, the number of the carrying of setting up for each is professional is identical with the quantity of synchronous protocol entity that be each business foundation, at business (for example in the actual conditions in different business district, multiplexed situation) different flow shaping modes can be set respectively, and then carry out independently flow shaping processing.
Need to prove, can take all factors into consideration the overlapping situation of certain MBMS business in actual applications in service area and MBSFN district, and then make the decision-making of setting up the synchronous protocol entity, for example, in example 4, with RAN2, professional A among RAN3 and the RAN4, the overlapping situation in the MBSFN district of professional B is as decision-making foundation the time, can also RAN1 and other 3 RAN is not overlapping, the overlapping situation that is service area is also as the foundation of making a strategic decision, under the situation in example 4, the two is taken into consideration the result of decision that obtains and only considers that the result of decision that the MBSFN district obtains is consistent, in some cases may be inconsistent, can adopt service area according to actual conditions, the MBSFN district, perhaps service area and MBSFN district combine as the foundation of decision-making.
Device embodiment
According to embodiments of the invention, a kind of BM-SC is provided, this BM-SC comprises: entity is set up module, be used for setting up one or more synchronous protocol entities for the MBMS business according to the area distribution situation of MBMS business, wherein, the area distribution situation comprises situation and/or regional nonoverlapping situation of region overlapping.Preferably, entity is set up module and is set up one or more synchronous protocol entities according to overlapping situation of the service area of MBMS business and/or MBSFN area overlapping situation for the MBMS business.
In sum, the Business Stream moulding pretreating scheme of the MBMS that the embodiment of the invention provides can be set up one or more synchronous protocol entities flexibly and then carry out flow shaping respectively according to the multiplexed situation of business according to the area distribution situation of business, has improved the flexibility that flow shaping handles.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the Business Stream moulding preprocess method of a multimedia broadcast-multicast service MBMS is characterized in that, comprising:
Broadcast multicast service center BM-SC is that described MBMS business is set up one or more synchronous protocol entities according to the area distribution situation of MBMS business, and wherein, described area distribution situation comprises situation and/or regional nonoverlapping situation of region overlapping.
2. method according to claim 1 is characterized in that, described BM-SC is that described MBMS business is set up described one or more synchronous protocol entity and comprised according to the area distribution situation of described MBMS business:
Described BM-SC determines one or more regional ensembles according to the area distribution situation of described MBMS business, and be the professional foundation of the described MBMS synchronous protocol entity identical with the quantity of described regional ensemble, wherein, described regional ensemble is the single zone at the professional place of described MBMS or a plurality of zones that the overlapping professional place of described MBMS occurs.
3. method according to claim 1 is characterized in that, described zone comprise following one of at least: service area, single frequency network multicast broadcast MBSFN district.
4. method according to claim 1 is characterized in that, described BM-SC is that described MBMS business is set up one or more described synchronous protocol entities and comprised according to the described area distribution situation of described MBMS business:
Described BM-SC determines the multiplexed situation of described MBMS business according to the described area distribution situation of described MBMS business;
Described BM-SC is that described MBMS business is set up one or more synchronous protocol entities according to the described multiplexed situation of described MBMS business.
5. method according to claim 4 is characterized in that, described BM-SC determines that according to the described area distribution situation of described MBMS business the multiplexed situation of described MBMS business comprises:
MCE determines the described multiplexed situation of described MBMS business according to the described area distribution situation of described MBMS business, and described MCE notifies described BM-SC with described multiplexed situation; Perhaps,
Described BM-SC directly determines the described multiplexed situation of described MBMS business according to the described area distribution situation of described MBMS business.
6. method according to claim 4 is characterized in that, BM-SC is that described MBMS business is set up after one or more synchronous protocol entities according to the described area distribution situation of described MBMS business, and described method also comprises:
The MBMS gateway is the professional foundation of the described MBMS carrying identical with the quantity of described synchronous protocol entity.
7. method according to claim 6 is characterized in that, described MBMS gateway is that described MBMS business is set up after the described carrying, and described method also comprises:
Described BM-SC is defined as the mode that described MBMS business is carried out the Business Stream moulding according to predetermined information, and according to described mode described MBMS business is carried out the Business Stream moulding, and wherein, described predetermined information comprises: the described multiplexed situation of described MBMS business.
8. method according to claim 7 is characterized in that, described predetermined information also comprises: current resource operating position.
9. a BM-SC is characterized in that, comprising:
Entity is set up module, and the area distribution situation that is used for according to the MBMS business is that described MBMS business is set up one or more synchronous protocol entities, and wherein, described area distribution situation comprises situation and/or regional nonoverlapping situation of region overlapping.
10. BM-SC according to claim 9 is characterized in that, it is that described MBMS business is set up one or more described synchronous protocol entities according to overlapping situation of the service area of described MBMS business and/or MBSFN area overlapping situation that described entity is set up module.
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| CN101252708A (en) * | 2008-03-25 | 2008-08-27 | 中国科学院计算技术研究所 | System and method for multi-broadcasting wireless broadcast |
| CN101394293A (en) * | 2007-09-19 | 2009-03-25 | 中兴通讯股份有限公司 | System for implementing broadcast data full network synchronization |
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| CN101394293A (en) * | 2007-09-19 | 2009-03-25 | 中兴通讯股份有限公司 | System for implementing broadcast data full network synchronization |
| CN101252708A (en) * | 2008-03-25 | 2008-08-27 | 中国科学院计算技术研究所 | System and method for multi-broadcasting wireless broadcast |
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