CN102651916A - Distributed wired interface data transmission method and system based on cooperative multi-point - Google Patents
Distributed wired interface data transmission method and system based on cooperative multi-point Download PDFInfo
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- CN102651916A CN102651916A CN2011100451341A CN201110045134A CN102651916A CN 102651916 A CN102651916 A CN 102651916A CN 2011100451341 A CN2011100451341 A CN 2011100451341A CN 201110045134 A CN201110045134 A CN 201110045134A CN 102651916 A CN102651916 A CN 102651916A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/20—Interfaces between hierarchically similar devices between access points
Abstract
The invention discloses a distributed wired interface data transmission method based on cooperative multi-point. The method comprises the steps as follows: the core network initiates a service bearer establishment request toward the main evolved NodeB (eNodeB) via a wired interface S1; the main eNodeB interacts with one or more cooperative eNodeBs via a wired interface X2, and establishes a service bearer; the main eNodeB feeds back a service bearer establishment response to the core network via the wired interface S1, and completes the establishment of the service bearer; and the service data between the core network and user equipment is reciprocally transmitted via the main eNodeB and the cooperative eNodeBs. A distributed wired interface data transmission system based on cooperative multi-point is also disclosed, and by way of the method and system, the establishment of service channels and data transmission involving a plurality of eNodeBs can be realized after the cooperative multi-point transmission technology is introduced into the advanced long term evolution system.
Description
Technical field
(Long Term Evolution Advanced, the LTE_A) transmission technology of the foundation of service bearer and business datum in the system are meant a kind of distributed wireline interface data transmission method and system based on multipoint cooperative especially to the present invention relates to senior Long Term Evolution.
Background technology
(Long Term Evolution, LTE) in the system, (User Equipment UE) when carrying out the up-downgoing business, needs core net and evolved base station (eNodeB) to establish the line interface service channel for UE to subscriber equipment at Long Term Evolution.In the prior art; Concrete flow process is: mobile management entity (MobileManagement Equipment; MME) send E-RAB to eNodeB and set up request message; Carry the business information of need setting up in the said E-RAB request message, and SGW (SignalingGateway SGW) is the last row address information of this traffic assignments; ENodeB receives said E-RAB and sets up and return E-RAB behind the request message and set up response message, and said E-RAB sets up and carries the service identification of successfully setting up in the response message, and eNodeB is the descending address information of this traffic assignments.
But; In the LTE_A system, introduce multipoint cooperative (Cooperative Multi-Point, CoMP) after the transmission technology, a plurality of sub-districts can occur is the situation that a UE provides service; And these sub-districts possibly adhered to different eNodeB separately, so the foundation of service channel will be referred to a plurality of eNodeB.But, do not have corresponding solution to this problem in the prior art.
Summary of the invention
In view of this; Main purpose of the present invention is to provide a kind of distributed wireline interface data transmission method and system based on multipoint cooperative; Can effectively solve in the LTE_A system introduce the CoMP transmission technology after, the service channel when relating to a plurality of eNodeB is set up problem.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of distributed wireline interface data transmission method based on multipoint cooperative, said method comprises:
Core net is initiated service bearer through wireline interface S1 to main evolved base station (eNodeB) and is set up request;
Main eNodeB carries out setting up service bearer alternately through wireline interface X2 and one or more cooperation eNodeB;
Main eNodeB returns service bearer through wireline interface S1 to core net and sets up response, accomplishes service bearer and sets up;
Business datum between core net and the UE is transmitted through main eNodeB and cooperation eNodeB alternately.
Wherein, the request of setting up of said service bearer is specially service bearer and sets up request message, carry the business information that needs foundation in the said message, and core net is the last row address information of this traffic assignments.
Wherein, said main eNodeB carries out setting up service bearer alternately through wireline interface X2 and one or more cooperation eNodeB, comprising:
Main eNodeB sends service bearer through wireline interface X2 to cooperation eNodeB and sets up request message, and said foundation carried business information in the request message, and core net is the last row address information of this traffic assignments; Cooperation eNodeB responds service bearer through wireline interface X2 and sets up response message to main eNodeB, carries service identification in the said response message, and cooperation eNodeB is the descending address information of transport layer of this traffic assignments.
Wherein, said service bearer foundation response is specially service bearer and sets up response message, carries service identification in the said response message, and main eNodeB is the descending address information of transport layer of this traffic assignments with cooperation eNodeB.
Wherein, the business datum between said core net and the UE is transmitted through main eNodeB and cooperation eNodeB alternately, comprising:
On the up direction, main eNodeB and cooperation eNodeB receive the business datum that UE sends, and by main eNodeB and cooperation eNodeB the business datum that receives are sent to the last row address of core net to traffic assignments through wireline interface S1; On the down direction, core net can send to main eNodeB and cooperation eNodeB respectively through wireline interface S1 with downlink service data, and under the uniform dispatching of main eNodeB, the business datum that each eNodeB will receive separately sends to UE then.
The present invention also provides a kind of distributed wireline interface data transmission system based on multipoint cooperative, and said system comprises: main eNodeB, one or more cooperation eNodeB and core net, wherein,
Said main eNodeB; Be used for setting up service bearer alternately through wireline interface X2 and one or more cooperation eNodeB; Return service bearer through wireline interface S1 to core net and set up response, for the business datum between core net and the UE provides mutual transmission service;
Said cooperation eNodeB, the business datum that is used between core net and the UE provides mutual transmission service;
Said core net is used for initiating service bearer through wireline interface S1 to main eNodeB and sets up request, receives the service bearer foundation response that main eNodeB returns, and accomplishes service bearer and sets up.
Wherein, the service bearer that said core net the is sent request of setting up is specially service bearer and sets up request message, carry the business information that needs foundation in the said message, and core net is the last row address information of this traffic assignments.
Wherein, said main eNodeB carries out setting up service bearer alternately through wireline interface X2 and one or more cooperation eNodeB, comprising:
Main eNodeB sends service bearer through wireline interface X2 to cooperation eNodeB and sets up request message, and said foundation carried business information in the request message, and core net is the last row address information of this traffic assignments; Cooperation eNodeB responds service bearer through wireline interface X2 and sets up response message to main eNodeB, carries service identification in the said response message, and cooperation eNodeB is the descending address information of transport layer of this traffic assignments.
Wherein, the service bearer foundation response that said main eNodeB returns to core net is specially service bearer and sets up response message, carries service identification in the said response message, and main eNodeB is the descending address information of transport layer of this traffic assignments with cooperation eNodeB.
Wherein, said main eNodeB and cooperation eNodeB are that the business datum between core net and the UE provides mutual transmission service, comprising:
On the up direction, main eNodeB and cooperation eNodeB receive the business datum that UE sends, and by main eNodeB and cooperation eNodeB the business datum that receives are sent to the last row address of core net to traffic assignments through wireline interface S1; On the down direction, core net can send to main eNodeB and cooperation eNodeB respectively through wireline interface S1 with downlink service data, and under the uniform dispatching of main eNodeB, the business datum that each eNodeB will receive separately sends to UE then.
Distributed wireline interface data transmission method and system based on multipoint cooperative provided by the present invention, core net is initiated service bearer through wireline interface S1 to main eNodeB and is set up request; Main eNodeB carries out setting up service bearer alternately through wireline interface X2 and one or more cooperation eNodeB; Main eNodeB returns service bearer through wireline interface S1 to core net and sets up response, accomplishes service bearer and sets up; Business datum between core net and the UE is transmitted through main eNodeB and cooperation eNodeB alternately.Can be implemented in the LTE A system introduce the CoMP transmission technology after, relate to the foundation and the transfer of data of the service channel of a plurality of eNodeB.
Description of drawings
Fig. 1 is for introducing the structural representation of system after the multipoint cooperative technology in the LTE_A of the present invention system;
Fig. 2 is a kind of distributed wireline interface data transmission method schematic flow sheet based on multipoint cooperative of the present invention;
Fig. 3 is a kind of distributed wireline interface data transmission system structural representation based on multipoint cooperative of the present invention.
Embodiment
For a better understanding of the present invention, at first introduce the system configuration after the introducing multipoint cooperative technology in the LTE_A system.Fig. 1 is for introducing the structural representation of system after the multipoint cooperative technology in the LTE_A of the present invention system, as shown in Figure 1, said system comprises: UE11, MME/SGW12, main eNodeB13, cooperation eNodeB14 and cooperation eNodeB15.Be radio open X1 interface between UE11 and three eNodeB; Between main eNodeB13, cooperation eNodeB14 and the cooperation eNodeB15 is wireline interface X2, and core net MME/SGW12 communicates with cooperation eNodeB15 through wireline interface S1 and main eNodeB13 and the eNodeB14 that cooperates.
Basic thought of the present invention is that core net is passed through wireline interface S1 to main eNodeB initiation service bearer foundation request; Main eNodeB carries out setting up service bearer alternately through wireline interface X2 and one or more cooperation eNodeB; Main eNodeB returns service bearer through wireline interface S1 to core net and sets up response, accomplishes service bearer and sets up; Business datum between core net and the UE is transmitted through main eNodeB and cooperation eNodeB alternately.
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention further is discussed in more detail.
Fig. 2 is a kind of distributed wireline interface data transmission method schematic flow sheet based on multipoint cooperative of the present invention, and is as shown in Figure 2, said method comprising the steps of:
Concrete, core net MME/SGW sends service bearer through wireline interface S1 to main eNodeB and sets up request message, carry the business information that needs foundation in the described request message, and SGW is the last row address information of this traffic assignments.
Concrete, main eNodeB sends the CoMP service bearer through wireline interface X2 to cooperation eNodeB and sets up request message, and said foundation carried the business information that needs foundation in the request message, and SGW is the last row address information of this traffic assignments; Cooperation eNodeB responds the CoMP service bearer through wireline interface X2 and sets up response message to main eNodeB, carries service identification in the said response message, and cooperation eNodeB is the descending address information of transport layer of this traffic assignments.
Concrete, main eNodeB returns service bearer through wireline interface S1 to core net and sets up response message, carries service identification in the said response message, and main eNodeB is the descending address information of transport layer of this traffic assignments with cooperation eNodeB.
Concrete, on the up direction, main eNodeB and cooperation eNodeB receive the business datum that UE sends, and by main eNodeB and cooperation eNodeB the business datum that receives are sent to the last row address of traffic assignments to SGW through wireline interface S1.On the down direction, SGW can send to main eNodeB and cooperation eNodeB respectively through wireline interface S1 with downlink service data, and under the uniform dispatching of main eNodeB, the business datum that each eNodeB will receive separately sends to UE then.
Fig. 3 is a kind of distributed wireline interface data transmission system structural representation based on multipoint cooperative of the present invention, and is as shown in Figure 3, and said system comprises: main eNodeB31, one or more cooperation eNodeB32 and core net 33, wherein,
Said main eNodeB31; Be used for setting up service bearer alternately through wireline interface X2 and one or more cooperation eNodeB32; Return service bearer through wireline interface S1 to core net 33 and set up response, for the business datum between core net 33 and the UE provides mutual transmission service;
Concrete, main eNodeB31 sends the CoMP service bearer through wireline interface X2 to cooperation eNodeB32 and sets up request message, and said foundation carried the business information that needs foundation in the request message, and SGW is the last row address information of this traffic assignments; Cooperation eNodeB32 responds the CoMP service bearer through wireline interface X2 and sets up response message to main eNodeB31, carries service identification in the said response message, and cooperation eNodeB is the descending address information of transport layer of this traffic assignments.
Main eNodeB31 returns service bearer through wireline interface S1 to core net 33 and sets up response message, carries service identification in the said response message, and main eNodeB31 is the descending address information of transport layer of this traffic assignments with cooperation eNodeB32.
Said main eNodeB31 is that the business datum between core net 33 and the UE provides mutual transmission service; Comprise: on the up direction; Main eNodeB31 receives the business datum that UE sends, and by main eNodeB31 the business datum that receives is sent to the last row address of traffic assignments to SGW through wireline interface S1.On the down direction, SGW can send to main eNodeB31 through wireline interface S1 with downlink service data, by main eNodeB31 the business datum that receives is sent to UE then.
Said cooperation eNodeB32, the business datum that is used between core net 33 and the UE provides mutual transmission service;
Concrete; Said cooperation eNodeB32 is that the business datum between core net 33 and the UE provides mutual transmission service; Comprise: on the up direction; Cooperation eNodeB32 receives the business datum that UE sends, and by cooperation eNodeB32 the business datum that receives is sent to the last row address of traffic assignments to SGW through wireline interface S1.On the down direction, SGW can send to cooperation eNodeB32 through wireline interface S1 with downlink service data, and under the uniform dispatching of eNodeB31, eNodeB32 sends to UE with the business datum that receives by cooperation then.
Said core net 33 is used for initiating service bearer through wireline interface S1 to main eNodeB31 and sets up request, receives the service bearer foundation response that main eNodeB31 returns, and accomplishes service bearer and sets up.
Concrete, the MME/SGW in the core net 33 sends service bearer through wireline interface S1 to main eNodeB31 and sets up request message, carry the business information that needs foundation in the said message, and SGW is the last row address information of this traffic assignments.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (10)
1. distributed wireline interface data transmission method based on multipoint cooperative is characterized in that said method comprises:
Core net is initiated service bearer through wireline interface S1 to main evolved base station (eNodeB) and is set up request;
Main eNodeB carries out setting up service bearer alternately through wireline interface X2 and one or more cooperation eNodeB;
Main eNodeB returns service bearer through wireline interface S1 to core net and sets up response, accomplishes service bearer and sets up;
Business datum between core net and the subscriber equipment (UE) is transmitted through main eNodeB and cooperation eNodeB alternately.
2. method according to claim 1 is characterized in that, the request of setting up of said service bearer is specially service bearer and sets up request message, carry the business information that needs foundation in the said message, and core net is the last row address information of this traffic assignments.
3. method according to claim 1 and 2 is characterized in that, said main eNodeB carries out setting up service bearer alternately through wireline interface X2 and one or more cooperation eNodeB, comprising:
Main eNodeB sends service bearer through wireline interface X2 to cooperation eNodeB and sets up request message, and said foundation carried business information in the request message, and core net is the last row address information of this traffic assignments; Cooperation eNodeB responds service bearer through wireline interface X2 and sets up response message to main eNodeB, carries service identification in the said response message, and cooperation eNodeB is the descending address information of transport layer of this traffic assignments.
4. method according to claim 1 and 2; It is characterized in that; Said service bearer foundation response is specially service bearer and sets up response message, carries service identification in the said response message, and main eNodeB is the descending address information of transport layer of this traffic assignments with cooperation eNodeB.
5. method according to claim 1 and 2 is characterized in that, the business datum between said core net and the UE is transmitted through main eNodeB and cooperation eNodeB alternately, comprising:
On the up direction, main eNodeB and cooperation eNodeB receive the business datum that UE sends, and by main eNodeB and cooperation eNodeB the business datum that receives are sent to the last row address of core net to traffic assignments through wireline interface S1; On the down direction, core net can send to main eNodeB and cooperation eNodeB respectively through wireline interface S1 with downlink service data, and under the uniform dispatching of main eNodeB, the business datum that each eNodeB will receive separately sends to UE then.
6. distributed wireline interface data transmission system based on multipoint cooperative is characterized in that said system comprises: main eNodeB, one or more cooperation eNodeB and core net, wherein,
Said main eNodeB; Be used for setting up service bearer alternately through wireline interface X2 and one or more cooperation eNodeB; Return service bearer through wireline interface S1 to core net and set up response, for the business datum between core net and the UE provides mutual transmission service;
Said cooperation eNodeB, the business datum that is used between core net and the UE provides mutual transmission service;
Said core net is used for initiating service bearer through wireline interface S1 to main eNodeB and sets up request, receives the service bearer foundation response that main eNodeB returns, and accomplishes service bearer and sets up.
7. system according to claim 6; It is characterized in that; The service bearer that said core net the is sent request of setting up is specially service bearer and sets up request message, carry the business information that needs foundation in the said message, and core net is the last row address information of this traffic assignments.
8. according to claim 6 or 7 described systems, it is characterized in that said main eNodeB carries out setting up service bearer alternately through wireline interface X2 and one or more cooperation eNodeB, comprising:
Main eNodeB sends service bearer through wireline interface X2 to cooperation eNodeB and sets up request message, and said foundation carried business information in the request message, and core net is the last row address information of this traffic assignments; Cooperation eNodeB responds service bearer through wireline interface X2 and sets up response message to main eNodeB, carries service identification in the said response message, and cooperation eNodeB is the descending address information of transport layer of this traffic assignments.
9. according to claim 6 or 7 described systems; It is characterized in that; The service bearer foundation response that said main eNodeB returns to core net is specially service bearer and sets up response message; Carry service identification in the said response message, and main eNodeB is the descending address information of transport layer of this traffic assignments with cooperation eNodeB.
10. according to claim 6 or 7 described systems, it is characterized in that said main eNodeB and cooperation eNodeB are that the business datum between core net and the UE provides mutual transmission service, comprising:
On the up direction, main eNodeB and cooperation eNodeB receive the business datum that UE sends, and by main eNodeB and cooperation eNodeB the business datum that receives are sent to the last row address of core net to traffic assignments through wireline interface S1; On the down direction, core net can send to main eNodeB and cooperation eNodeB respectively through wireline interface S1 with downlink service data, and under the uniform dispatching of main eNodeB, the business datum that each eNodeB will receive separately sends to UE then.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100451341A CN102651916A (en) | 2011-02-24 | 2011-02-24 | Distributed wired interface data transmission method and system based on cooperative multi-point |
| PCT/CN2011/084240 WO2012113259A1 (en) | 2011-02-24 | 2011-12-19 | Distributed wired interface data transmission method and system based on cooperative multi-point |
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| CN2011100451341A CN102651916A (en) | 2011-02-24 | 2011-02-24 | Distributed wired interface data transmission method and system based on cooperative multi-point |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014117386A1 (en) * | 2013-02-01 | 2014-08-07 | 华为技术有限公司 | Data interaction method and device |
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- 2011-12-19 WO PCT/CN2011/084240 patent/WO2012113259A1/en active Application Filing
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| WO2012113259A1 (en) | 2012-08-30 |
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