CN105451355B

CN105451355B - Method from the user device transmissions data to own services, base station and system for

Info

Publication number: CN105451355B
Application number: CN201410407097.8A
Authority: CN
Inventors: 邓云; 熊芝兰
Original assignee: Nokia Shanghai Bell Co Ltd
Current assignee: Nokia Shanghai Bell Co Ltd
Priority date: 2014-08-18
Filing date: 2014-08-18
Publication date: 2019-06-18
Anticipated expiration: 2034-08-18
Also published as: CN105451355A

Abstract

The object of the present invention is to provide a kind of method for the user device transmissions data to own services and base stations.According to the method for the present invention, wherein the user equipment accesses to the first community of the first base station, the described method comprises the following steps: initial data is separated into the first data and the second data；Second data are sent to the second base station, so that second data are transmitted to the user equipment, wherein the first community is identical as the frequency of the second community by subframe configuration information of the second community of second base station based on itself；Wherein, the method also includes following steps: subframe configuration information of the first community based on itself, first data are transmitted to the user equipment by first community, so that the user equipment receives the initial data combined by the first community with the second community and sent.

Description

Method from the user device transmissions data to own services, base station and system for

Technical field

The present invention relates to field of communication technology more particularly to a kind of user device transmissions data for own services Method, base station and system.

Background technique

Cooperateing with multiple spot (Coordinated Multi-point, CoMP) transmission technology is used in LTE-Advanced Inter-cell interference is effectively reduced, the service quality of Cell Edge User and the key technology of lifting system performance are improved.CoMP's Main implementation includes cooperative scheduling/beam shaping (Coordinated Scheduling/Coordinated Beamforming, CS/CB), joint transmission (Joint Transmission, JT) and dynamic point select (Dynamic Point Selection,DPS).If network, by the way of JT, user equipment (User Equipment, UE) will receive next self tuning With the Physical Downlink Shared Channel (Physical of multiple cells or transfer point (Transmission Port) in set of cells Downlink Shared Channel, PDSCH), to receive data simultaneously from multiple cell or transfer point.If using CS/ The mode of CB or DPS, then UE is only from the cell or a transfer point reception PDSCH in cooperative cell set.

Scheme according to prior art, in the scene generally in base station using CoMP technology (i.e. in cooperative cell set Multiple cells or transfer point belong to multiple cells in the same base station or cooperative cell set or between transfer point it is reasonable The backhaul link thought) because the X2 interface between usual base station is all made of nonideal backhaul chain for the scene between base station Road, delay time are longer such as 2 milliseconds to 60 milliseconds of one way propagation delay time needs, the adjacent base of the almost impossible scheduling of serving BS The PDSCH for jurisdiction district or the transfer point of standing, to be unable to improve the service quality of Cell Edge User.

Also, scheme according to prior art, in order to eliminate the interference between the cell from different base station, serving BS The configuration of almost blank subframe (Almost Blank Subframe, ABS) can be used with interference base station, i.e., serving BS is small Data are only transmitted to its served user equipment in specific subframe in area, and the cell of interference base station can be serviced in other subframes to it Other users equipment transmission data.However, according to such mode, even if the cell load of interference base station is very low and has available In the resource of the serviced user equipment of service and station, which can not also improve handling up for itself using these resources Amount.

Summary of the invention

The object of the present invention is to provide a kind of method of user device transmissions data for own services and base stations.

According to an aspect of the invention, there is provided a kind of user equipment in first base station for being serviced to itself The method for transmitting data, wherein the user equipment accesses to the first community of the first base station, wherein the method packet Include following steps:

Initial data is separated into the first data and the second data by a；

Second data are sent to the second base station by b, so that son of the second community of second base station based on itself Second data are transmitted to the user equipment by frame configuration information, wherein the first community and the second community Frequency is identical；

Wherein, the method also includes following steps:

First data are transmitted to by the first community based on the subframe configuration information of itself by first community The user equipment, so that the user equipment receives the institute for being combined by the first community with the second community and being sent State initial data.

According to an aspect of the present invention, it additionally provides a kind of in a user device for receiving what multiple base stations were transmitted The method of data, wherein the user equipment has accessed the first community that first base station includes, and the method includes following steps It is rapid:

It receives from the first base station, corresponding with the second community of the second base station community configured information and sets Standby configuration information；

The second community is accessed based on the community configured information and the device configuration information；

It is received respectively based on subframe configuration information corresponding with the first community and the second community from institute State the first data of first community and the second data from the second community；

First data are merged with second data to obtain initial data.

According to an aspect of the present invention, a kind of user device transmissions data for being serviced to itself are additionally provided First base station, wherein the user equipment accesses to the first community of the first base station, wherein the first base station includes:

Separator, for initial data to be separated into the first data and the second data；

First sending device, for second data to be sent to the second base station, so that the second of second base station Second data are transmitted to the user equipment, wherein the first community based on the subframe configuration information of itself by cell It is identical as the frequency of the second community；

Wherein, the first base station further include:

Transmitting device is small by first by first data for first community based on itself subframe configuration information Area is transmitted to the user equipment, is combined by the first community with the second community so that the user equipment is received The initial data sent.

According to an aspect of the present invention, a kind of user for receiving the data that multiple base stations are transmitted is additionally provided to set It is standby, wherein the user equipment has accessed the first community that first base station includes, and the user equipment includes:

Reception device is configured, it is from the first base station, corresponding with the second community of the second base station for receiving Community configured information and device configuration information；

Access device, for accessing the second community based on the community configured information and the device configuration information；

Data sink, for being believed based on sub-frame configuration corresponding with the first community and the second community Breath receives the first data from the first community and the second data from the second community respectively；

Data merging device, for merging first data with second data to obtain initial data.

Compared with prior art, the invention has the following advantages that serving BS passes through the number that will be transferred to user equipment According to being separated, a part therein is transferred to user equipment, another part is transferred to the cell of another base station, so that user Equipment can receive data by belonging to the cell of different base station respectively in different subframes, improve the data of cell edge equipment Handling capacity and the utilization rate for improving subframe.

Detailed description of the invention

By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other Feature, objects and advantages will become more apparent upon:

Fig. 1 shows a kind of user device configuration association in first base station for being serviced for itself according to the present invention Make the method flow diagram of cell；

Fig. 2 shows the schematic diagrames of an exemplary heterogeneous network communication system according to the present invention.

Fig. 3 shows a kind of user device transmissions number in first base station for being serviced to itself according to the present invention According to method flow diagram；

Fig. 4 shows a kind of base station of user device configuration cooperation cell for being serviced for itself according to the present invention And the structural schematic diagram of the user equipment for receiving the data that multiple base stations are transmitted；

Fig. 5 show a kind of user device transmissions data for being serviced to itself according to the present invention base station and For receiving the structural schematic diagram of the user equipment for the data that multiple base stations are transmitted；

Fig. 6 illustrates a kind of initial data according to the present invention after rlc layer is separated, and is directly transmitted by first community The system and device schematic diagram of user equipment is sent to user equipment and via second community；

Fig. 7 illustrates a kind of initial data according to the present invention after PDCP layers are separated, and is directly sent out by first community Send to user equipment and be sent to via second community the system and device schematic diagram of user equipment.

The same or similar appended drawing reference represents the same or similar component in attached drawing.

Specific embodiment

Present invention is further described in detail with reference to the accompanying drawing.

Fig. 1 shows a kind of user device configuration in first base station for being serviced for itself according to the present invention and uses Method flow diagram in the cooperation cell of transmission data.Include the steps that being executed by first base station according to the method for the present invention S101, step S102, step S103, step S104 and step S105, and step S201 and step by user equipment execution S202。

Wherein, base station of the present invention includes but is not limited to the macro base station that can be applied to LTE network, micro-base station, pico- base It stands, Home eNodeB etc..The user equipment include can wirelessly directly or indirectly and base station communication electronic device, including But be not limited to mobile phone, PDA etc..

Referring to Fig.1, in step s101, first base station is determined based on the channel condition information from the user equipment The second community of second base station corresponding with the user equipment.

Wherein, the user equipment accesses to the first community of the first base station.

Wherein, the first community and the second community use identical frequency.

Wherein, the first base station includes the serving BS for serving the user equipment, and second base station includes clothes Business base station is for the user device configuration to the cooperative base station of the user device transmissions data together with first base station.

Wherein, the channel condition information includes being used to indicate the relevant parameter of channel status of cell, for example, cell RSRP (Reference Signal Received Power, Reference Signal Received Power)/RSRQ (Reference Signal Received Quality, Reference Signal Received Quality) value.

Specifically, in measurement report of the first base station based on the user equipment to report with other one or more base stations The channel condition information of corresponding multiple cells selects suitable cell as corresponding with the user equipment described second The second community of base station.

First example according to the present invention, referring to Fig. 2, Fig. 2 shows an exemplary heterogeneous networks according to the present invention The schematic diagram of communication system.Heterogeneous network shown in Fig. 2 includes macro base station eNB_1, femto base station eNB_2 and user equipment Dev_ 1.Wherein, user equipment Dev_1 has already accessed to the cell Cell_1 of macro base station eNB_1 and is in the small of femto base station eNB_2 The edge of area Cell_2, also, cell Cell_1 and cell Cell_2 frequency having the same.Macro base station eNB_1 is based on user The channel condition information of multiple cells in the measurement report that equipment Dev_1 is reported, determines the cell of femto base station eNB_2 Cell_2 is second community corresponding with user equipment Dev_1.

In step s 102, the device-dependent message of the user equipment is transmitted to the second community by first base station, So that the second community services the user equipment.

Wherein, the device-dependent message includes the various information that the user equipment is identified for the second community. For example, the carrying information etc. that the equipment identification information of user equipment, user equipment are established.

In step s 103, first base station obtains from the second community, corresponding with user equipment equipment Configuration information.

Wherein, the device configuration information includes but is not limited to following at least any one:

1) the second base station is Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (the Cell Radio Network of user equipment distribution Temporary Identifier, C-RNTI)；

2) dedicated channel configuration information；It is that the user equipment is matched that the channel configuration information, which is used to indicate with the second base station, The relevant configuration information of the channel set.

Preferably, the channel configuration information includes but is not limited to following information:

I) specialized configuration of Physical Downlink Shared Channel (Physical Downlink Shared Channel, PDSCH) Information；

Ii) physical uplink control channel (Physical Uplink Control Channel, PUCCH) is dedicated Configuration information etc.；

Iii) the specialized configuration of Physical Random Access Channel (Physical Random Access Channel, PRACH) Information.

3) transmission channel configuration information；The transmission channel configuration information includes the transmission channel for being used for transmission user data Configuration information.For example, the parameters such as IP address when being transmitted by the way of TCP/IP.In another example flat using general data transfer GTP tunnel Endpoint ID (GTP when platform (General Data Transfer Platform, GTP) tunnel data Tunnel Endpoint Identifier) etc. parameters.

In step S104, first base station obtains the community configured information of the second community.

Wherein, the community configured information includes but is not limited to the following at least any one of the second community:

1) frequency and bandwidth occupied；

2) antenna configuration information；

3) Physical Cell Identifier；

4) public channel configuration information；For example, Physical Random Access Channel (Physical Random Access Channel, PRACH) common configuration information, Physical Downlink Shared Channel (Physical Downlink Shared Channel, PDSCH) common configuration information etc..

5) configuration information of timing advance group (Timing Advance Group, TAG)；

Wherein, the step S103 and step S104 may be performed simultaneously, and match for example, obtaining cell by the same signaling Confidence breath and device configuration information；Alternatively, step S104 can be executed before step S103, also that is, first obtaining cell matches confidence Breath, then obtain device configuration information.

Then, in step s105, first base station is by the community configured information of the second community and the device configuration Information is sent to the user equipment, so that the user equipment accesses the second community.

Continue to be illustrated foregoing First example, in step s 102, macro base station eNB_1 is by user equipment Dev_1's Device-dependent message is transmitted to institute cell Cell_2；Then, second community Cell_2 is that user equipment Dev_1 distributes related resource And relevant parameter is configured, generate device configuration information corresponding with user equipment Dev_1 and the cell configuration of cell Cell_2 Information, and the device configuration information and community configured information are sent to macro base station eNB_1 together.It is macro then in step S104 Base station eNB _ 1 receives device configuration information corresponding with user equipment Dev_1 and cell Cell_2 from cell Cell_2 Community configured information.Then, in step s105, macro base station eNB_1 is by the community configured information and cell of cell Cell_2 The device configuration information corresponding with user equipment Dev_1 of Cell_2 is sent to user equipment Dev_1, so that user equipment Dev_ 1 access cell Cell_2.

Then, in step s 201, user equipment receives the second community with the second base station from the first base station Corresponding community configured information and device configuration information.

Then, in step S202, user equipment is based on described in the community configured information and device configuration information access Second community.

Continue to be illustrated foregoing First example, in step s 201, user equipment Dev_1, which is received, comes from macro base station The community configured information corresponding with the cell Cell_2 of femto base station eNB_2 and device configuration information of eNB_1.Then, exist In step S202, user equipment Dev_1 is based on received community configured information and device configuration information accesses cell Cell_2.

Then, one kind according to the present invention is shown in first base station for being taken to itself with continued reference to Fig. 3, Fig. 3 The method flow diagram of the user device transmissions data of business.The method includes the step S106 executed by first base station, step S107 and step S108, and the step S203 and step S204 that are executed by user equipment.

Referring to Fig. 3, in step s 106, initial data is separated into the first data and the second data by first base station.

Wherein, first data include being sent directly to the user equipment by first base station in the initial data Data, second data include the second community of the second base station is sent in initial data by first base station, then by this second Cell transmission to the user equipment data.

Specifically, load information and channel condition information of the first base station based on the first community and second community, really The data volume for the data for needing to be directly transmitted by first base station calmly, and the data of data for needing to send via second community Amount；Alternatively, load information and channel condition information of the first base station based on the first community and second community, determine need by The data that first base station directly transmits and the ratio between the data volume of data for needing to send via second community, then, first base station Based on the ratio between identified two parts data volume or data volume, by selecting the data of corresponding amount as the first number in initial data According to the second data.

Wherein, those skilled in the art can determine specific selection mode based on actual conditions and needs, for example, at random Selection, in another example, selected according to the pre-defined rule of the first data of preferential selection etc. etc., details are not described herein again.

Preferably, by wireless spread-spectrum technology (Radio Link Control, the RLC) entity or packet count in first base station Initial data is separated according to convergence protocol (Packet Data Convergence Protocol, PDCP) entity.

Specifically, when the RLC entity by being located at first base station separates initial data, the initial data is by one A or multiple rlc protocol data cells with sequence number are constituted, and the RLC entity is according to identified first data with the second number According to data volume or the ratio between data volume, by selecting the data of corresponding data amount as the first data and the second number in the initial data According to, wherein the first data and the second data separately include at least one aforementioned rlc protocol data cell with sequence number.

Alternatively, when being separated by the PDCP entity of first base station to initial data, the initial data by one or Multiple PDCP protocol Data Units with sequence number are constituted, and the PDCP entity is according to identified first data with the second data Data volume or the ratio between data volume, by selecting the data of corresponding data amount as the first data and the second number in the initial data According to, wherein the first data and the second data separately include at least one aforementioned PDCP protocol Data Unit with sequence number.

Preferably, the method also includes step S109 (not shown), step S110 (not shown) and S111 (not shown).

In step S109, first base station is based on the first community and the respective load information of the second community, comes Determine subframe configuration information corresponding with the first community and the second community.

Then, in step s 110, subframe configuration information corresponding with the second community is sent to institute by first base station The second base station is stated, so that the second community transmits data based on the subframe configuration information of itself.

Wherein, the subframe configuration information includes that the first base station and second base station respectively can be used for the use The subframe of family equipment transmission data.For example, a radio frames include totally 10 subframes that number is 0 to 9, first base station is based on first Cell determines first base station from the subframe for being 0,1,3,5 in number to user equipment with the respective load information of second community Data are transmitted, the second base station is in remaining subframe (2,4,6,7,8,9) to user device transmissions data.

In step S111, first base station will be corresponding with the first community and/or the second community described Subframe configuration information is sent to the user equipment, so that the user equipment determines first community and second community respectively respectively Subframe configuration information, and data are received based on identified subframe configuration information.

Specifically, first base station will the sub-frame configuration letter corresponding with the first community and the second community Breath is sent to the user equipment, so that the user equipment receives data or first based on the subframe configuration information The subframe configuration information corresponding with the first community or second community is sent to the user equipment, Yong Hushe by base station It is standby to deduce subframe configuration information corresponding to another cell.

Preferably, the step S111 and abovementioned steps S105 for sending community configured information and device configuration information It can be performed simultaneously.

Continue to be illustrated foregoing First example, in step S109, macro base station eNB_1 is based on cell Cell_1 and small Cell_2 respective load information in area determines subframe configuration information corresponding with cell Cell_1 and cell Cell_2: macro Base station eNB _ 1 transmits data to user equipment Dev_1, pico- base by cell Cell_1 when number is 0,1,3,5 subframe The eNB_2 that stands in remaining subframe transfers data to user equipment Dev_1 by cell Cell_2.Then, in step s 110, macro base The subframe configuration information corresponding with cell Cell_2 is sent to femto base station eNB_2 by the eNB_1 that stands, also, in step S111 In, subframe configuration information corresponding with cell Cell_1 and cell Cell_2 is sent to user equipment Dev_ by macro base station eNB_1 1.Then, in step s 106, macro base station eNB_1 is based on cell Cell_1 and the respective load information of cell Cell_2 and channel Conditional information determines that the data directly transmitted by the cell_1 of macro base station eNB_1 are passed with via the cell cell_2 of femto base station The ratio between defeated data volume of data is 3:2, also, is executed by the rlc layer of base station eNB _ 1 to the lock out operation of initial data, In, initial data data_1 is made of 100 rlc protocol data cells with corresponding sequence number.Then rlc layer is based on institute really The ratio between fixed data volume, by randomly choosing 60 rlc protocol data cells in initial data data_1 as the first data, and Using remaining 40 rlc protocol data cells as the second data.

It should be noted that for the abovementioned steps S102 of sending device relevant information and for sending subframe configuration information Step S110 between there is no sequencing, the two can be performed simultaneously, for example, first community by same signaling by equipment correlation Information and the corresponding subframe configuration information of second community are sent to second community；Alternatively, the step S102 can be in the step It is executed before rapid S110, or, step S102 can also be executed after step silo.

Then, in step s 107, second data are sent to the second base station by first base station, so that second base It stands based on the subframe configuration information of itself, second data is transmitted to by the user equipment by the second community of itself.

Specifically, second data are sent to the second base by the X2 interface between the second base station by first base station It stands, so that subframe configuration information of second base station based on itself, is passed second data by the second community of itself Transport to the user equipment.

A kind of initial data is illustrated after rlc layer is separated with reference to Fig. 6, Fig. 6, is sent directly to use by first community Family equipment and the system and device schematic diagram that user equipment is sent to via second community.

Wherein, PDCP layers described, rlc layer, MAC layer and corresponding L1 (physical layer), L2 (including data link layer, net Network layers and transport layer), L1_Air (physical layer of eating dishes without rice or wine) etc. be the common technical term of those skilled in the art, it is no longer superfluous herein It states.

Wherein, the MAC_P is used to indicate the MAC layer for corresponding to the second base station in user equipment, and L1_Air_P is for referring to Show the L1_Air layer for corresponding to the second base station in user equipment.

Specifically, initial data is after rlc layer is separated, and the first data are after MAC layer encapsulates again by L1_Air layers It is transferred to user equipment, the second data, by X2 interface, are transmitted to the second base station then via the L2 of first base station and L1 layers, Then, the second received data are transmitted to user equipment by the second base station, so that user equipment is by the first data and second Data obtain initial data after the rlc layer of itself sorts recombination to it.

A kind of initial data is illustrated after PDCP layers are separated with continued reference to Fig. 7, Fig. 7, is directly sent out by first community Send to user equipment and be sent to via second community the system and device schematic diagram of user equipment.

Wherein, PDCP layers described, rlc layer, MAC layer and corresponding L1 (physical layer), L2 (including data link layer, net Network layers and transport layer), L1_Air layers etc. be the common technical term of those skilled in the art, details are not described herein again.

Specifically, initial data is after PDCP layers are separated, and the first data are led to after continuing through the encapsulation of RLC and MAC layer It crosses L1_Air layers and is transferred to user equipment, similarly, the second data then via the L2 of first base station and L1 layers, are connect by X2 Mouthful, it is transmitted to the second base station, then, the second received data are transmitted to user equipment by the second base station, so that user sets It is standby that first data and the second data are obtained into initial data after the PDCP layer of itself sorts recombination to it.

It should be noted that for send subframe configuration information to second community abovementioned steps S110 with for sending the The step S107 of two data can be performed simultaneously, for example, first community is simultaneously by the second data and the corresponding subframe of second community Configuration information is sent to second community；Alternatively, the step S110 can be executed before the step S107.

It should also be noted that, the step S107 for sending the second data is for the aforementioned of sending device relevant information It is executed after step S102.

In step S108, it is small to be passed through first based on the subframe configuration information of itself by first base station for first data Area is transmitted to the user equipment.

Continue to be illustrated foregoing First example, in step s 107, macro base station eNB_1 is by 40 as the second data A rlc protocol data cell is sent to femto base station eNB_2 via X2 interface, after femto base station eNB_2 receives the second data, Based on the subframe configuration information of itself, determine when number is 2,4,6,7,8,9 subframe, by Cell_2 by this comprising 40 Second data of rlc protocol data cell are transmitted to user equipment Dev_1.Also, in step S108, macro base station eNB_1 base In the subframe configuration information of itself, when number is 0,1,3,5 subframe by the first number comprising 60 rlc protocol data cells According to being transmitted to user equipment Dev_1.

Wherein, the execution its corresponding sub-frame configuration of sequence between the step S107 and step S108 is related.Such as exist In first example, first base station is after the 0th, 1 subframe executes step S108 with the first data of transmitting portion, and the second base station is in 2 sons Frame executes step S107 and carrys out the second data of transmitting portion, and then first base station continues to execute step S108 in subframe 3 to send The first data of another part, and so on.

Then, in step S203, user equipment is based on corresponding with the first community and the second community Subframe configuration information receives the first data from the first community and the second data from the second community respectively.

Wherein, user equipment based on received first community and second community subframe configuration information, determine and receive the Sub-frame information corresponding to the PDSCH of one cell and second community.

Then, in step S204, user equipment merges first data with second data original to obtain Data.

Preferably, the RLC entity of user equipment is by the rlc protocol data cell as the first data and second data It is ranked up and recombinates according to its respective RLC sequence number, alternatively, the PDCP entity of user equipment will be used as the first data and institute The PDCP protocol Data Unit for stating the second data is ranked up and recombinates according to its respective PDCP sequence number, to obtain original number According to.

Continue to be illustrated foregoing First example, in step S203, user equipment Dev_1 is believed based on the sub-frame configuration Breath receives 60 rlc protocol data cells from cell Cell_1 in the subframe that number is 0,1,3,5, number be 2,4, 6,7,8,9 subframe receives 40 rlc protocol data cells from cell Cell_2.Then, in step S204, Yong Hushe Standby RLC entity is respective according to its by received 60 rlc protocol data cells and 40 rlc protocol data cells RLC sequence number is ranked up and recombinates, to obtain initial data data_1.

According to a preferred embodiment of the present invention, the method also includes step S112 (not shown), step S113 (figures Do not show) and step S114 (not shown).

In step S112, first base station receive the other users equipment from third base station device-dependent message and Subframe configuration information corresponding with the first community of the first base station.

Wherein, the other users equipment has accessed to the third cell of the third base station.

In step S113, first base station is to the third base station feedback corresponding with the other users equipment described The community configured information and device configuration information of one cell, so that the other users equipment is based on the community configured information and sets Standby configuration information accesses the first community.

In step S114, when receiving being used for transmission to the of the other users equipment from the third base station When three data, first community transmits the third data based on itself subframe configuration information, Xiang Suoshu other users equipment.

First community is based on from the subframe configuration information that third base station is distributed to other users equipment transmission third data Process of the subframe configuration information that process and aforementioned second community are distributed based on first base station to the second data of user device transmissions It is similar, no longer it is described in detail.

According to the preferred embodiment of the present embodiment, when first community and the second community just original number described in joint transmission According to when, according to the method for the present invention further include step S115 (not shown), (figure is not by step S116 (not shown) and step S117 Show).

In step sl 15, when the first community and the second community just initial data described in joint transmission, Subframe configuration information of the first community based on the third cell from third base station, judges the subframe configuration information of third cell Whether be the second community current subframe configuration information subset.

Specifically, first community itself subframe configuration information according to determined by from third base station, determines the third The subframe configuration information of the third cell of base station, and by its with currently just in the sub-frame configuration of the second community of joint transmission data Information is compared, with determine third cell subframe configuration information whether be the second community current subframe configuration information Subset.

Then, in step S116, when the subframe configuration information of third cell is not the current subframe of the second community When the subset of configuration information, first community sends sub-frame configuration to the third base station and updates request, so that the third base Station redefines the subframe configuration information of the first community.

In step S117, when the subframe configuration information of the third cell from third base station can be contained in described second When in the current subframe configuration information of cell, subframe configuration information of the first community based on the first community from third base station The third data are transmitted to the other users equipment.

Continue to be illustrated foregoing First example, when macro base station eNB_1 combines with femto base station eNB_2 to user equipment During Dev-1 transmits data data_1, macro base station eNB_1 is received from another femto base station eNB_3 for first The subframe configuration information (0,1,3,5) of cell, then first community determines corresponding based on received subframe configuration information The subframe configuration information (2,4,6,7,8,9) of three cells, and configured with the current subframe of the second community of femto base station eNB_2 Information (2,4,6,7,8,9) compares, and determines that the subframe configuration information of third cell is the current subframe configuration information of second community Subset, then first community transmits third data to other users equipment Dev_2 during subframe 0,1,3,5.

It preferably, further include step S118 (not shown) according to the method for this preferred embodiment.

In step S118, when the first community detects that re-transmission reaches when to the other users equipment transmission data When to maximum times, first base station sends the instruction for reaching maximum retransmission to the third base station.

Wherein, the maximum retransmission be used to indicate first base station be pre-configured (such as agreement is preset, or by described Third base station be first base station configuration) the maximum times for allowing to be retransmitted.For example, maximum retransmission is 5 times.

Preferably, in response to from reach described in first base station maximum times re-transmission instruction, third base station terminate to The first community of first base station transmits the third data.

Continue to be illustrated foregoing First example, cell Cell_1 is when transmitting data to user equipment Dev_2, detection It is retransmitted to 5 data have been carried out, has reached the maximum retransmission that macro base station eNB_1 is pre-configured, then macro base station eNB_1 The instruction for reaching maximum retransmission is sent to femto base station eNB_3.Then, in response to reaching most from macro base station eNB_1 The instruction of big number of retransmissions, femto base station eNB_3 are terminated to cell Cell_1 and are transmitted data.

It should be noted that first base station, the second base station described according to the present invention and only third base station, are only used for The sender and recipient for distinguishing information, do not cause any restrictions to the implementation or function of base station itself.Same base station In different transmission processes, alternatively, the different phase in a transmission process, it can be respectively as the first, second or third base It stands to execute corresponding operation.If the second community in above-described embodiment also can be used as transfer point, sent out to the cell of other base stations Partial data is sent, to carry out data transmission with the community associated of other base stations.

According to the method for the present invention, the data that serving BS will be transferred to user equipment are separated, by therein one For fractional transmission to user equipment, another part is transferred to the cell of another base station, so that user equipment can be in different subframe point Data are not received by belonging to the cell of different base station, the data throughout of cell edge equipment is improved and improves subframe Utilization rate.

Fig. 4 shows a kind of base station of user device configuration cooperation cell for being serviced for itself according to the present invention And the structural schematic diagram of the user equipment for receiving the data that multiple base stations are transmitted.First base station packet according to the present invention It includes cell determining device 101, information carrying means 102, the first acquisition device 103, the second acquisition device 104 and second and sends dress 105 are set, user equipment according to the present invention includes configuration reception device 201 and access device 202.

Wherein, the base station includes but is not limited to the macro base station that can be applied to LTE network, micro-base station, Home eNodeB etc..Institute State user equipment include can wirelessly directly or indirectly and the electronic device of base station communication, including but not limited to mobile phone, PDA Deng.

Referring to Fig. 4, cell determining device 101 is based on the channel condition information from the user equipment, the determining and use The second community of corresponding second base station of family equipment.

Wherein, the first community and the second community use identical frequency.

Specifically, in measurement report of the cell determining device 101 based on the user equipment to report with one or more The channel condition information of the corresponding multiple cells in other base stations, selects suitable cell as corresponding with the user equipment The second community of second base station.

First example according to the present invention, referring to Fig. 2, Fig. 2 shows an exemplary heterogeneous networks according to the present invention The schematic diagram of communication system.Heterogeneous network shown in Fig. 2 includes macro base station eNB_1, femto base station eNB_2 and user equipment Dev_ 1.Wherein, user equipment Dev_1 has already accessed to the cell Cell_1 of macro base station eNB_1 and is in the small of femto base station eNB_2 The edge of area Cell_2, also, cell Cell_1 and cell Cell_2 frequency having the same.The cell of macro base station eNB_1 is true The channel condition information for determining multiple cells in the measurement report that device 101 is reported based on user equipment Dev_1, determines pico- base Stand eNB_2 cell Cell_2 be second community corresponding with user equipment Dev_1.

Then, the device-dependent message of the user equipment is transmitted to the second community by information carrying means 102, with The second community is set to service the user equipment.

First acquisition device 103 obtains device configuration letter from the second community, corresponding with the user equipment Breath.

Second acquisition device 104 obtains the community configured information of the second community.

1) frequency and bandwidth occupied；

2) antenna configuration information；

3) Physical Cell Identifier；

Wherein, first acquisition device 103 obtains from the second community, corresponding with the user equipment set The operation for the community configured information that the operation of standby configuration information and the second acquisition device 104 obtain the second community can be simultaneously It executes, for example, obtaining community configured information and device configuration information by the same signaling；Alternatively, the second acquisition device 104 obtains Take the community configured information of the second community operation can the first acquisition device 103 obtain from the second community, It executes before the operation of device configuration information corresponding with the user equipment, also that is, first obtaining community configured information, then obtains Device configuration information.

Then, the second sending device 105 sends out the community configured information of the second community and the device configuration information It send to the user equipment, so that the user equipment accesses the second community.

Continue to be illustrated foregoing First example, information carrying means 102 believes the equipment correlation of user equipment Dev_1 Breath is transmitted to institute cell Cell_2；Then, second community Cell_2 is that user equipment Dev_1 distributes related resource and configures correlation Parameter generates device configuration information corresponding with user equipment Dev_1 and the community configured information of cell Cell_2, and should Device configuration information and community configured information are sent to macro base station eNB_1 together.Then the second acquisition device 104, which receives, comes from cell The device configuration information corresponding with user equipment Dev_1 of Cell_2 and the community configured information of cell Cell_2.Then, Two sending devices 105 set the community configured information of cell Cell_2 and the corresponding with user equipment Dev_1 of cell Cell_2 Standby configuration information is sent to user equipment Dev_1, so that user equipment Dev_1 accesses cell Cell_2.

Then, configuration reception device 201 is received from the corresponding with the second community of the second base station of the first base station Community configured information and device configuration information.

Then, access device 202 is based on the community configured information and device configuration information accesses the second community.

Continue to be illustrated foregoing First example, the configuration reception device 201 of user equipment Dev_1, which receives, comes from macro base It stands the community configured information corresponding with the cell Cell_2 of femto base station eNB_2 and device configuration information of eNB_1.Then, The access device 202 of user equipment Dev_1 is based on received community configured information and device configuration information accesses cell Cell_2.

Then, gone out a kind of user equipment for being serviced to itself according to the present invention with continued reference to Fig. 5, Fig. 5 to pass The structural schematic diagram of the base station of transmission of data and the user equipment for receiving the data that multiple base stations are transmitted.According to the present invention First base station include separator 106, the first sending device 107 and transmitting device 108.User equipment packet according to the present invention Include data sink 203 and data merging device 204.

Referring to Fig. 5, initial data is separated into the first data and the second data by separator 106.

Wherein the separator 106 includes data determining device (not shown) and data separator unit (not shown).

Specifically, load information and channel condition letter of the data determining device based on the first community and second community Breath determines the data volume for needing the data directly transmitted by first base station, and the data for needing to send via second community Data volume；Alternatively, load information and channel condition information of the data determining device based on the first community and second community, really The ratio between the data volume of data for needing the data directly transmitted by first base station calmly and needing to send via second community, then, Data separator unit is based on the ratio between identified two parts data volume or data volume, by the number for selecting corresponding amount in initial data According to as the first data and the second data.

Preferably, the separator 106 includes wireless spread-spectrum technology (the Radio Link in first base station Control, RLC) entity or Packet Data Convergence Protocol (Packet Data Convergence Protocol, PDCP) be real Body.

Preferably, the first base station further includes subframe determining device (not shown), third sending device (not shown) and 4th sending device (not shown).

Subframe determining device be based on the first community and the respective load information of the second community, come determine with it is described First community and the corresponding subframe configuration information of the second community.

Then, subframe configuration information corresponding with the second community is sent to second base by third sending device It stands, so that subframe configuration information of second base station based on itself, is passed second data by the second community of itself The user equipment is transported to,

4th sending device will the sub-frame configuration letter corresponding with the first community and/or the second community Breath is sent to the user equipment, so that the user equipment determines first community and the respective sub-frame configuration of second community respectively Information, and data are received based on identified subframe configuration information.

Specifically, the 4th sending device matches the subframe corresponding with the first community and the second community Confidence breath is sent to the user equipment, so that the user equipment receives data based on the subframe configuration information, or The subframe configuration information corresponding with the first community or second community is sent to the user and set by the 4th sending device Standby, user equipment deduces subframe configuration information corresponding to another cell.

Preferably, the 4th sending device matches the subframe corresponding with the first community and the second community Confidence breath be sent to the operation of the user equipment with the second sending device 105 by the community configured information of the second community and The operation that the device configuration information is sent to the user equipment can be performed simultaneously.

Continue to be illustrated foregoing First example, the subframe determining device of macro base station eNB_1 be based on cell Cell_1 and The respective load information of cell Cell_2 determines subframe configuration information corresponding with cell Cell_1 and cell Cell_2: Macro base station eNB_1 transmits data to user equipment Dev_1 by cell Cell_1 when number is 0,1,3,5 subframe, slightly Base station eNB _ 2 transfer data to user equipment Dev_1 by cell Cell_2 in remaining subframe.Then, the of macro base station eNB_1 The subframe configuration information corresponding with cell Cell_2 is sent to femto base station eNB_2, also, macro base station by three sending devices The subframe configuration information corresponding with cell Cell_1 and cell Cell_2 is sent to user and set by the 4th sending device of eNB_1 Standby Dev_1.Then, the data determining device of macro base station eNB_1 is based on the respective load letter of cell Cell_1 and cell Cell_2 Breath and channel condition information are determined by the cell_1 of the macro base station eNB_1 data directly transmitted and via the cell of femto base station The ratio between the data volume of data of cell_2 transmission is 3:2, also, executes the separation to initial data by the rlc layer of base station eNB _ 1 Operation, wherein initial data data_1 is made of 100 rlc protocol data cells with corresponding sequence number.Then rlc layer Based on the ratio between identified data volume, by randomly choosing 60 rlc protocol data cells in initial data data_1 as the One data, and using remaining 40 rlc protocol data cells as the second data.

It should be noted that the device-dependent message of the user equipment is transmitted to described by information carrying means 102 Subframe configuration information corresponding with the second community is sent to second base by the operation of two cells and subframe sending device There is no sequencing between the operation stood, the two can be performed simultaneously, for example, first community is believed equipment correlation by same signaling Breath and the corresponding subframe configuration information of second community are sent to second community；Alternatively, information carrying means 102 is by the user The operation that the device-dependent message of equipment is transmitted to the second community can will be with the second community pair in subframe sending device The subframe configuration information answered executes before being sent to the operation of second base station, or, information carrying means 102 will be described The operation that the device-dependent message of user equipment is transmitted to the second community can also will be with described second in subframe sending device The corresponding subframe configuration information of cell executes after being sent to the operation of second base station.

Then, second data are sent to the second base station by the first sending device 107, so that second base station is based on Second data are transmitted to the user equipment by the second community of itself by the subframe configuration information of itself.

Wherein, the transmission of the first data and the second data equally can refer to the system and device figure of Fig. 6 and Fig. 7, Fig. 6 and Fig. 7 It is described in detail above and is incorporated herein by reference, repeat no more.

It should be noted that subframe sending device will subframe configuration information corresponding with the second community be sent to it is described Second data are sent to the second base station with the first sending device 107 by the operation of the second base station, so that second base station Operation based on the subframe configuration information of itself can be performed simultaneously, for example, first community is small by the second data and second simultaneously The corresponding subframe configuration information in area is sent to second community；Alternatively, the subframe sending device will be corresponding with the second community Subframe configuration information be sent to the operation of second base station and can be sent to second data in the first sending device 107 Second base station, so as to be executed before the operation of the subframe configuration information of second base station based on itself.

It should also be noted that, subframe configuration information corresponding with the second community is sent to institute by subframe sending device Stating the operation of the second base station, in information carrying means 102 device-dependent message of the user equipment to be transmitted to described second small It is executed after the operation in area.

First data are transmitted to institute by first community based on the subframe configuration information of itself by transmitting device 108 State user equipment.

Continue to be illustrated foregoing First example, the first sending device 107 of macro base station eNB_1 will be used as the second data 40 rlc protocol data cells be sent to femto base station eNB_2 via X2 interface, femto base station eNB_2 receives the second number It according to rear, based on the subframe configuration information of itself, determines when number is 2,4,6,7,8,9 subframe, by Cell_2 by the packet The second data containing 40 rlc protocol data cells are transmitted to user equipment Dev_1.Also, the transmitting device of macro base station eNB_1 108 based on itself subframe configuration information, and 60 rlc protocol data cells the will be included when number is 0,1,3,5 subframe One data are transmitted to user equipment Dev_1.

Wherein, second data are sent to operation and the transmitting device of the second base station by first sending device 107 108, based on itself subframe configuration information, first data are transmitted to by first community the operation of the user equipment Between its corresponding sub-frame configuration of execution sequence it is related.As in the first example, transmitting device 108 is held in the 0th, 1 subframe First data are transmitted to the user equipment by first community based on the subframe configuration information of itself with transmission unit by row After dividing the operation of the first data, the second base station executes in 2 subframes and is transmitted to second data by the second community of itself The operation of the user equipment carrys out the second data of transmitting portion, and then first base station is continued to execute in subframe 3 by described second Data are sent to the operation of the second base station to send the first data of another part, and so on.

Then, data sink 203 is matched based on subframe corresponding with the first community and the second community Confidence breath receives the first data from the first community and the second data from the second community respectively.

Wherein, user equipment based on data sink 203 received first community and second community sub-frame configuration Information determines sub-frame information corresponding to the PDSCH for receiving first community and second community.

Then, data merging device 204 merges first data to obtain initial data with second data.

Continue to be illustrated foregoing First example, the data sink 203 of user equipment Dev_1 is based on the subframe and matches Confidence breath receives 60 rlc protocol data cells from cell Cell_1 in the subframe that number is 0,1,3,5, is in number 2,4,6,7,8,9 subframe receives 40 rlc protocol data cells from cell Cell_2.Then, the RLC of user equipment is real Body by received 60 rlc protocol data cells and 40 rlc protocol data cells according to its respective RLC sequence number into Row sequence and recombination, to obtain initial data data_1.

According to a preferred embodiment of the present invention, the first base station further includes information receiver (not shown), instead Present device (not shown) and data transmission device (not shown).

Information receiver receives the device-dependent message of the other users equipment from third base station and with described the The corresponding subframe configuration information of the first community of one base station.

Cell of the feedback device to the third base station feedback first community corresponding with the other users equipment Configuration information and device configuration information so that the other users equipment based on the community configured information and device configuration information come Access the first community.

When receive from the third base station when being used for transmission to the third data of the other users equipment, data Transmitting device transmits the third data based on itself subframe configuration information, Xiang Suoshu other users equipment.

Data transmission device based on from the subframe configuration information that third base station is distributed to other users equipment transmit third number According to the subframe configuration information that is distributed based on first base station of process and aforementioned second community to the second data of user device transmissions Process is similar, is no longer described in detail.

According to the preferred embodiment of the present embodiment, when first community and the second community just original number described in joint transmission According to when, first base station according to the present invention further include judgment means (not shown) and update request unit (not shown).

When the first community and the second community just initial data described in joint transmission, judgment means are based on should The subframe configuration information of third cell from third base station judges whether the subframe configuration information of third cell is described second The subset of the current subframe configuration information of cell.

Specifically, judgment means itself subframe configuration information according to determined by from third base station, determines the third The subframe configuration information of the third cell of base station, and by its with currently just in the sub-frame configuration of the second community of joint transmission data Information is compared, with determine third cell subframe configuration information whether be the second community current subframe configuration information Subset.

Then, when the subset that the subframe configuration information of third cell is not the current subframe configuration information of the second community When, request unit is updated to the third base station and sends sub-frame configuration update request, so that the third base station redefines The subframe configuration information of the first community.

When the subframe configuration information of the third cell from third base station can be contained in the current son of the second community When in frame configuration information, subframe configuration information of the transmitting device 108 based on the first community from third base station to it is described its Third data described in his user device transmissions.

Continue to be illustrated foregoing First example, when macro base station eNB_1 combines with femto base station eNB_2 to user equipment During Dev-1 transmits data data_1, macro base station eNB_1 is received from another femto base station eNB_3 for first The subframe configuration information (0,1,3,5) of cell, then judgment means determine corresponding based on received subframe configuration information The subframe configuration information (2,4,6,7,8,9) of three cells, and configured with the current subframe of the second community of femto base station eNB_2 Information (2,4,6,7,8,9) compares, and determines that the subframe configuration information of third cell is the current subframe configuration information of second community Subset, then transmitting device 108 transmits third data to other users equipment Dev_2 during subframe 0,1,3,5.

It preferably, further include instruction sending device (not shown) according to the first base station of this preferred embodiment.

When the first community detects that re-transmission reaches maximum times when to the other users equipment transmission data, Indicate that sending device sends the instruction for reaching maximum retransmission to the third base station.

Continue to be illustrated foregoing First example, cell Cell_1 is when transmitting data to user equipment Dev_2, detection It is retransmitted to 5 data have been carried out, has reached the maximum retransmission that macro base station eNB_1 is pre-configured, then macro base station eNB_1 Instruction sending device sent to femto base station eNB_3 and reach the instruction of maximum retransmission.Then, in response to coming from macro base station The instruction for reaching maximum retransmission of eNB_1, femto base station eNB_3 are terminated to cell Cell_1 and are transmitted data.

It should be noted that first base station, the second base station described according to the present invention and only third base station, are only used for The sender and recipient for distinguishing information, do not cause any restrictions to the realization or function of base station itself.Same base station is not In same transmission process, alternatively, the different phase in a transmission process, can come respectively as the first, second or third base station Execute corresponding operation.If the second community in above-described embodiment also can be used as transfer point, to the cell transmission unit of other base stations Divided data, to carry out data transmission with the community associated of other base stations.

According to the solution of the present invention, the data that serving BS will be transferred to user equipment are separated, by therein one For fractional transmission to user equipment, another part is transferred to the cell of another base station, so that user equipment can be in different subframe point Data are not received by belonging to the cell of different base station, the data throughout of cell edge equipment is improved and improves subframe Utilization rate.

It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included in the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.This Outside, it is clear that one word of " comprising " does not exclude other units or steps, and odd number is not excluded for plural number.That states in system claims is multiple Unit or device can also be implemented through software or hardware by a unit or device.The first, the second equal words are used to table Show title, and does not indicate any particular order.

Claims

1. a kind of method of the user device transmissions data in first base station for being serviced to itself, wherein the user Equipment accesses to the first community of the first base station, wherein the described method comprises the following steps:

Initial data is separated into the first data and the second data by a, wherein second data are based on the first community and the The load informations of two cells and channel condition information determine；

Second data are sent to the second base station by b, so that the second community of second base station is matched based on the subframe of itself Second data are transmitted to the user equipment, wherein the frequency of the first community and the second community by confidence breath It is identical；

Wherein, the method also includes following steps:

The first community is transmitted to based on itself subframe configuration information, by first data by first community described User equipment, so that the user equipment receives the original combined by the first community with the second community and sent Beginning data.

2. according to the method described in claim 1, wherein, the method also includes following steps:

Based on the channel condition information from the user equipment, second base station corresponding with the user equipment is determined The second community.

3. method according to claim 1 or 2, wherein the step a the following steps are included:

Load information and channel condition information based on the first community and second community determine and to be passed transport to described second The data volume of base station；

According to the determining data volume to be passed for transporting to second base station, the initial data is separated into the first data and the Two data.

4. according to the method described in claim 1, wherein, the method also includes following steps:

Receive from the third base station, device-dependent message of other users equipment and small with the first of the first base station The corresponding subframe configuration information in area, wherein the other users equipment has accessed to the third cell of the third base station；

The community configured information of-Xiang Suoshu third base station feedback the first community corresponding with the other users equipment and with The corresponding device configuration information of other users equipment, so that the other users equipment is based on the community configured information and equipment Configuration information accesses the first community；

When receive from the third base station when being used for transmission to the third data of the other users equipment, be based on institute The subframe configuration information of first community is stated, Xiang Suoshu other users equipment transmits the third data.

5. a kind of method for receiving the data that multiple base stations are transmitted in a user device, wherein the user equipment is The first community for including through accessing first base station, the described method comprises the following steps:

It receives from the first base station, corresponding with the second community of the second base station community configured information and equipment is matched Confidence breath；

Is received respectively based on subframe configuration information corresponding with the first community and the second community and comes from described the First data of one cell and the second data from the second community；

First data are merged with second data to obtain initial data, wherein second data are based on described The load information and channel condition information of first community and second community determines.

6. a kind of first base station of the user device transmissions data for being serviced to itself, wherein the user equipment access To the first community of the first base station, wherein the first base station includes:

Separator, for initial data to be separated into the first data and the second data, wherein second data are based on described The load information and channel condition information of first community and second community determines；

First sending device, for second data to be sent to the second base station, so that the second community of second base station Based on the subframe configuration information of itself, second data are transmitted to the user equipment, wherein the first community and institute The frequency for stating second community is identical；

Wherein, the first base station further include:

First data are passed through first community and passed by transmitting device for first community based on itself subframe configuration information The user equipment is transported to, so that the user equipment, which is received, combines transmission with the second community by the first community The initial data.

7. first base station according to claim 6, wherein the first base station further include:

Cell determining device is small by first by first data for first community based on itself subframe configuration information Area is transmitted to the user equipment, is combined by the first community with the second community so that the user equipment is received The initial data sent.

8. first base station according to claim 6 or 7, wherein the first base station further include:

Information carrying means, for the device-dependent message of the user equipment to be transmitted to the second community, so that described Second community services the user equipment；

First acquisition device, for obtaining device configuration information from the second community, corresponding with the user equipment.

9. first base station according to claim 8, wherein the first base station further include:

Second acquisition device, for obtaining the community configured information of the second community；

Second sending device, it is described for the community configured information of the second community and the device configuration information to be sent to User equipment, so that the user equipment accesses the second community.

10. first base station according to claim 6, wherein the data separator unit includes:

Data determining device is determined for load information and channel condition information based on the first community and second community The data volume to be passed for transporting to second base station；

Data separator unit, for according to the determining data volume to be passed for transporting to second base station, the initial data to be divided From for the first data and the second data.

11. first base station according to claim 6, wherein the first base station further include:

Subframe determining device, for being based on the first community and the respective load information of the second community, to determine and institute State first community and the corresponding subframe configuration information of the second community；

Third sending device, for subframe configuration information corresponding with the second community to be sent to second base station, with Make the second community based on the subframe configuration information of itself to transmit data；

4th sending device, being used for will the sub-frame configuration corresponding with the first community and/or the second community Information is sent to the user equipment, so that the user equipment determines that first community and the respective subframe of second community are matched respectively Confidence breath, and data are received based on identified subframe configuration information.

12. first base station according to claim 6, wherein the first base station further include:

Information receiver, for receive from third base station, other users equipment device-dependent message and with it is described The corresponding subframe configuration information of the first community of first base station, wherein the other users equipment has accessed to described The third cell of three base stations；

Feedback device, for the cell to the third base station feedback first community corresponding with the other users equipment Configuration information and device configuration information corresponding with the other users equipment, so that the other users equipment is based on the cell and matches Confidence breath accesses the first community with device configuration information；

Data transmission device, for when receiving being used for transmission to the of the other users equipment from the third base station When three data, the subframe configuration information based on first community, Xiang Suoshu other users equipment transmits the third data.

13. first base station according to claim 12, wherein the first base station further includes following device:

Judgment means, for judging when the first community and the second community just initial data described in joint transmission Whether the subframe configuration information of the third cell from third base station can be contained in the current subframe configuration of the second community In information；

Request unit is updated, for working as the second community cannot to be contained in when the subframe configuration information from third base station When in preceding subframe configuration information, Xiang Suoshu third base station sends sub-frame configuration and updates request, so that the third base station is again Determine the subframe configuration information of the first community；

Wherein, the data transmission device is also used to:

When the current subframe that the subframe configuration information of the third cell from third base station can be contained in the second community is matched When in confidence breath, the subframe configuration information of the first community based on this from third base station transmits institute to the other users equipment State third data.

14. first base station according to claim 12 or 13, wherein the first base station further include:

Sending device is indicated, for detecting that re-transmission is reached when to the other users equipment transmission data when the first community When to maximum times, Xiang Suoshu third base station sends the instruction for reaching maximum retransmission.

15. a kind of for receiving the user equipment for the data that multiple base stations are transmitted, wherein the user equipment has accessed The first community that one base station includes, the user equipment include:

Reception device is configured, for receiving cell from the first base station, corresponding with the second community of the second base station Configuration information and device configuration information；

Data sink, for based on subframe configuration information corresponding with the first community and the second community point It Jie Shou not the first data from the first community and the second data from the second community；

Data merging device, for merging first data with second data to obtain initial data, wherein described Second data are determined based on the load information and channel condition information of the first community and second community.