CN105101416A - Cooperative multi-point transmission processing method and device, base station, and system thereof - Google Patents
Cooperative multi-point transmission processing method and device, base station, and system thereof Download PDFInfo
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Abstract
The invention discloses a cooperative multi-point transmission processing method and device, a base station, and a system thereof. The method comprises the steps that the base station receives CoMP cooperation indication information from other base stations, wherein the CoMP cooperation indication information contains at least one piece of the following information: CoMP hypothesis information of one or more cells of the base station and a forced execution mark which is used for indicating whether the adjustment of wireless time sequence resources of one or more cells of the base station is executed forcibly or not according to the CoMP hypothesis information; and the base station process the wireless time frequency resources of one or more cells according to the CoMP cooperation indication information. According to the invention, the invention solves a problem that the related technology does not achieve CoMP cooperation indication information interaction among base stations, and achieve an effect that the CoMP cooperation can be carried out under the distributed and centralized conditions and the expected benefits can be achieved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of cooperative multipoint transmission processing method, device and base station and system thereof.
Background technology
Along with the proposition of follow-up evolution (LTE-A, the LongTermEvolution-Advanced) demand of Long Term Evolution, people more and more pay attention to node average spectral efficiency (ase) and node edge spectrum efficiency.Provisional capital up and down due to lte-a system is with OFDM (OFDM, OrthogonalFrequencyDivisionMultiplexing) or with certain of OFDM basic multiple access multiplexing mode is deformed into, with traditional with code division multiple access (CDMA, CodeDivisionMultipleAccess) wireless communication system for basic multiple access multiplexing mode is different, lte-a system does not have processing gain, intra-node is because complete frequency division is orthogonal, so there is interference problem hardly, but the interference at node edge place is relatively thorny, therefore, the spectrum efficiency of node edge is paid close attention to by people.
Usually, three kinds of methods are mainly contained to the process of node edge place interference: interference randomization, interference are eliminated and interference coordination (hiding), wherein, the method of interference randomization generally adopts the method for DS or frame hopping when frequency hopping, alleviate the interference between node, without the need to the network planning, need the support of signaling hardly, but can only interference be alleviated, fundamentally can not eliminate the interference between node; The method that interference is eliminated eliminates interference by adopting some algorithms, the physical entity that general needs are extra, as multi-antenna technology etc., could realize the elimination to interference; The method of interference coordination (hiding) is by exchange message between node, make each node according to the information of other nodes and the situation of self, some algorithms are adopted automatically to select suitable resource to transmit, realize the efficiency utilization of resource between node, alleviate the chance of resource collision between node, reach the object of node edge performance boost, avoid occurring the identical running time-frequency resource of contention between node as far as possible, thus avoid producing interference between node.
In LTER11, a kind of interference coordination (hiding) mechanism is cooperative multipoint transmission technology (CoMP, CoordinatedMulti-Pointtransmission), and concrete technology comprises:
1, cooperative scheduling/cooperative beam figuration (CS/CB, Coordinatedscheduling/Coordinatedbeam-forming): by cooperative scheduling spatial beams weights are coordinated between different transmission nodes, on the one hand make power cooperates, on Spatial Dimension, carry out two user scheduling cooperating to avoid wave beam to conflict on the other hand on the same resource;
2, coordinate multipoint joint transmission (JT, Multi-pointjointtransmission): multiple community in same asset jointly for targeted customer provides the transmission of signal, to terminal, in JT technology, interference signal becomes useful signal, thus greatly improves signal receiving quality;
3, dynamic point switching/dynamic point punching (DPS/DPB, Dynamicpointswitching/blanking): network side is according to the link performance of the different nodes of terminal feedback, the best node of dynamic selection carries out data transmission, or mourned in silence in interfered cell dynamically and (or to weaken, i.e. muting) data send, or DPS and DPB combines.
In LTER12, further contemplate the CoMP design problem in imperfect back haul link (backhaul) situation, and under imperfect backhaul, in order to support CoMP, needs which content mutual is discussed, and thinks that needs mutual three category informations: CoMP supposes (CoMPhypothesis) information: be used to indicate and expect which type of resource distribution mode receiving node adopts work in coordination with and carry out CoMP; Gain tolerance (Benefitmetric) information: for characterizing when performing according to CoMPhypothesis, the size of obtainable beneficial effect; And Reference Signal Received Power (RSRP, ReferenceSignalReceivingPower) information, for assisting to dispatch as long-time quality channel condition information (CSI, ChannelStateInformation).But how also can meet distributed and centralized CoMP cooperation among the nodes alternately about above-mentioned information also not consider simultaneously.
For do not provide in correlation technique how between base station (or evolved base station, eNB) mutual CoMP cooperative information make it possible in distributed and centralized situation, all can carry out CoMP cooperation to reach the problem of expection gain, at present effective solution is not yet proposed.
Summary of the invention
The invention provides a kind of cooperative multipoint transmission processing method, device and base station and system thereof, at least to solve the problem.
According to an aspect of the present invention, provide a kind of cooperative multipoint transmission processing method, comprise: base station receives the CoMP cooperation Indication message from other base stations, wherein, described CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of described base station, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forcing one or more community according to described CoMPhypothesis information and executing; The wireless running time-frequency resource of one or more community according to the process of described CoMP cooperation Indication message, described base station.
Preferably, the described wireless running time-frequency resource of one or more community according to the process of described CoMP cooperation Indication message, described base station comprises: described base station judges whether the described wireless running time-frequency resource of adjustment can accept the impact of described one or more community; Under judged result is acceptable situation, described base station is according to the described wireless running time-frequency resource of the described one or more community of described CoMP cooperation Indication message adjustment.
Preferably, under judged result is unacceptable situation, described method also comprises: described base station sends the response message of the described wireless running time-frequency resource of refusal adjustment to other base stations described, wherein, carries the cause value of the described wireless running time-frequency resource of refusal adjustment in this response message.
Preferably, described method also comprises: Indication message is cancelled in the CoMP cooperation that described base station receives from other base stations, and wherein, the cell ID carrying one or more communities of described base station in Indication message is cancelled in described CoMP cooperation; Indication message is cancelled according to described CoMP cooperation in described base station, cancels the CoMP cooperation of described one or more community.
Preferably, after described base station receives the described CoMP cooperation cancellation Indication message from other base stations described, described method also comprises: the response message of Indication message is cancelled in described base station to other base station transmission and reception described to described CoMP cooperation.
Preferably, described method also comprises: described base station receives the CoMP cooperation cancel request message from other base stations, wherein, at least carries the cell ID of at least one community of other base stations described in described CoMP cooperation cancel request message; Described base station determines whether the CoMP cooperation agreeing to the community of cancelling other base stations described, and the response message carrying determination result is sent to other base stations described, wherein, this response message is used to indicate the CoMP cooperation that all or part of community at least one community of other base stations described is cancelled/kept in other base stations described.
Preferably, the cause value that other base station requests described cancel the CoMP cooperation of all or part of community at least one community described is also carried in described CoMP cooperation cancel request message.
Preferably, described method also comprises: described base station receives the CoMP cooperation cancellation notice message from other base stations, wherein, described CoMP cooperates and carries the cell ID of at least one community of other base stations described in cancellation notice message, described CoMP cooperate cancellation notice message be used for by other base stations described/be about to cancel the message announcement of the CoMP cooperation of at least one community described to described base station.
Preferably, described CoMP cooperates the described adjustment enforced the mark whole communities be used to indicate in described one or more community and whether force according to the wireless running time-frequency resource of described CoMPhypothesis information and executing of carrying in Indication message, or described CoMP carry in Indication message described that cooperate enforces the adjustment of mark for indicating each community in described one or more community whether to force according to the wireless running time-frequency resource of described CoMPhypothesis information and executing respectively.
Preferably, Indication message is cancelled in CoMP cooperation, CoMP cooperates cancel request message, CoMP cooperation cancellation notice message bearing in the message of same type, and is distinguished by the predetermined mark of carrying in the message of this same type.
According to another aspect of the present invention, additionally provide a kind of cooperative multipoint transmission processing unit, be arranged in base station, comprise: the first receiver module, for receiving the CoMP cooperation Indication message from other base stations, wherein, described CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of described base station, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forcing one or more community according to described CoMPhypothesis information and executing; Processing module, for the wireless running time-frequency resource of the one or more community described in Indication message process that cooperates according to described CoMP.
Preferably, described processing module comprises: judging unit, for judging whether the described wireless running time-frequency resource of adjustment can accept the impact of described one or more community; Adjustment unit, for the described wireless running time-frequency resource of the described one or more community of Indication message adjustment that cooperates according to described CoMP.
Preferably, described processing module also comprises: transmitting element, for sending the response message of the described wireless running time-frequency resource of refusal adjustment to other base stations described, wherein, carries the cause value of the described wireless running time-frequency resource of refusal adjustment in this response message.
Preferably, described device also comprises: the second receiver module, cancels Indication message for the CoMP cooperation received from other base stations, and wherein, the cell ID carrying one or more communities of described base station in Indication message is cancelled in described CoMP cooperation; Cancelling module, for cancelling Indication message according to described CoMP cooperation, cancelling the CoMP cooperation of described one or more community.
Preferably, described device also comprises: the first sending module, for cancelling the response message of Indication message to other base station transmission and reception described to described CoMP cooperation.
Preferably, described device also comprises: the 3rd receiver module, for receiving the CoMP cooperation cancel request message from other base stations, wherein, at least carries the cell ID of at least one community of other base stations described in described CoMP cooperation cancel request message; Second sending module, for determining whether the CoMP cooperation agreeing to the community of cancelling other base stations described, and the response message carrying determination result is sent to other base stations described, wherein, this response message is used to indicate the CoMP cooperation that all or part of community at least one community of other base stations described is cancelled/kept in other base stations described.
Preferably, the cause value that other base station requests described cancel the CoMP cooperation of all or part of community at least one community described is also carried in described CoMP cooperation cancel request message.
Preferably, described device also comprises: the 4th receiver module, for receiving the CoMP cooperation cancellation notice message from other base stations, wherein, described CoMP cooperates and carries the cell ID of at least one community of other base stations described in cancellation notice message, described CoMP cooperate cancellation notice message be used for by other base stations described/be about to cancel the message announcement of the CoMP cooperation of at least one community described to described base station.
Preferably, described CoMP cooperates the described adjustment enforced the mark whole communities be used to indicate in described one or more community and whether force according to the wireless running time-frequency resource of described CoMPhypothesis information and executing of carrying in Indication message, or described CoMP carry in Indication message described that cooperate enforces the adjustment of mark for indicating each community in described one or more community whether to force according to the wireless running time-frequency resource of described CoMPhypothesis information and executing respectively.
Preferably, Indication message is cancelled in CoMP cooperation, CoMP cooperates cancel request message, CoMP cooperation cancellation notice message bearing in the message of same type, and is distinguished by the predetermined mark of carrying in the message of this same type.
According to another aspect of the present invention, additionally provide a kind of base station, comprising: above-mentioned cooperative multipoint transmission processing unit.
According to another aspect of the present invention, additionally provide a kind of cooperative multipoint transmission treatment system, comprising: above-mentioned base station and other above-mentioned base stations.
According to another aspect of the present invention, additionally provide a kind of cooperative multipoint transmission processing method, comprise: base station sends CoMP and cooperates Indication message to other base stations, wherein, described CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of other base stations described, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forcing one or more community according to described CoMPhypothesis information and executing; Wherein, described CoMP cooperation Indication message is used to indicate the wireless running time-frequency resource of the described one or more community of process, other base stations described.
According to another aspect of the present invention, additionally provide a kind of cooperative multipoint transmission processing unit, be arranged in base station, comprise: sending module, cooperate Indication message to other base stations for sending CoMP, wherein, described CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of other base stations described, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forcing one or more community according to described CoMPhypothesis information and executing; Wherein, described CoMP cooperation Indication message is used to indicate the wireless running time-frequency resource of the described one or more community of process, other base stations described.
According to another aspect of the present invention, additionally provide a kind of base station, comprising: above-mentioned comprising cooperates Indication message to the cooperative multipoint transmission processing unit of the sending module of other base stations for sending CoMP.
Pass through the present invention, adopt base station reception from the CoMP cooperation Indication message of other base stations, wherein, CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of base station, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forced according to the one or more community of CoMPhypothesis information and executing; Base station is according to the mode of the wireless running time-frequency resource of the CoMP cooperation one or more community of Indication message process, solve the problem that correlation technique is not provided in mutual CoMP cooperative information between base station, reach and in distributed and centralized situation, all can carry out CoMP cooperation and the effect reaching expection gain.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic flow sheet of the cooperative multipoint transmission processing method according to the embodiment of the present invention;
Fig. 2 is the structural representation of the cooperative multipoint transmission processing unit according to the embodiment of the present invention;
Fig. 3 is that centralized according to the preferred embodiment of the invention CoMP cooperation is enforced and cancels the mutual schematic diagram of flow process indicated;
Fig. 4 is that centralized according to the preferred embodiment of the invention CoMP cooperation is enforced and cancels the mutual schematic diagram of flow process of asking;
Fig. 5 is that Distributed C oMP cooperation is according to the preferred embodiment of the invention enforced and cancels the mutual schematic diagram of flow process indicated;
Fig. 6 is that the mutual schematic diagram of flow process with cancellation notice is enforced in Distributed C oMP cooperation according to the preferred embodiment of the invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
Present embodiments provide a kind of cooperative multipoint transmission processing method, Fig. 1 is the schematic flow sheet of the cooperative multipoint transmission processing method according to the embodiment of the present invention, and as shown in Figure 1, this flow process comprises the steps:
Step S102, base station receives the CoMP cooperation Indication message from other base stations, wherein, CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of base station, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forced according to the one or more community of CoMPhypothesis information and executing;
Step S104, base station is according to the wireless running time-frequency resource of the CoMP cooperation one or more community of Indication message process.
Pass through above-mentioned steps, adopt the CoMP cooperation Indication message carrying CoMPhypothesis information and enforce mark between the base stations, target BS can be cooperated according to CoMP the wireless running time-frequency resource of community corresponding to Indication message process, thus provide a kind of method of mutual CoMP cooperative information between base station, solve in correlation technique the problem that how mutual CoMP cooperative information between base station is not provided.The method can be compatible with existing distributed or centralized cooperative multicast system, thus reach and in distributed and centralized situation, all can carry out CoMP cooperation and reach expecting the effect of gain.
Preferably, can comprise in above-mentioned steps S104: base station judges whether the wireless running time-frequency resource of adjustment can accept the impact of one or more community; Under judged result is acceptable situation, base station adjusts the wireless running time-frequency resource of one or more community according to CoMP cooperation Indication message.
Preferably, under above-mentioned judged result is unacceptable situation, can also comprise in step S104: base station sends the response message of the wireless running time-frequency resource of refusal adjustment to other base stations, wherein, can carry the cause value of the wireless running time-frequency resource of refusal adjustment in this response message.
Preferably, when multiple base station establishes cooperative multipoint transmission, base station has various ways can exit the cooperative multicast system set up.
Such as, cooperative multicast system can be exited according to the instruction of other base stations in base station: Indication message is cancelled in the CoMP cooperation that base station receives from other base stations, wherein, the cell ID carrying one or more communities of base station in Indication message is cancelled in CoMP cooperation; Indication message is cancelled according to CoMP cooperation in base station, cancels the CoMP cooperation of one or more community.Such as, before cancellation according to mourn in silence (Muting) of CoMPhypothesis information to community running time-frequency resource.
Preferably, after base station receives the CoMP cooperation cancellation Indication message from other base stations, base station can also cooperate to other base station transmission and reception to CoMP and cancel the response message of Indication message.
Again such as, base station can allow or refuse the request that cooperative multicast system is exited in other base stations: base station receives the CoMP cooperation cancel request message from other base stations, wherein, the cell ID of at least one community of other base stations is at least carried in CoMP cooperation cancel request message; Base station determines whether the CoMP cooperation agreeing to the community of cancelling other base stations, and the response message carrying determination result is sent to other base stations, wherein, this response message is used to indicate the CoMP cooperation that all or part of community at least one community of other base stations is cancelled/kept in other base stations.
Preferably, the cause value that other base station requests cancel the CoMP cooperation of all or part of community at least one community is also carried in CoMP cooperation cancel request message.
Again such as, relevant base station is noticed when exiting or be about to exit cooperative multicast system in other base stations: the base station CoMP received from other base stations cooperates cancellation notice message, wherein, CoMP cooperates and carries the cell ID of at least one community of other base stations in cancellation notice message, CoMP cooperate cancellation notice message be used for by other base stations/be about to cancel the message announcement of the CoMP cooperation of at least one community to base station.
Preferably, CoMP cooperates the adjustment whether the compulsory execution mark whole communities be used to indicate in one or more community of carrying in Indication message force according to the wireless running time-frequency resource of CoMPhypothesis information and executing, or CoMP cooperates the adjustment for indicating each community in one or more community whether to force according to the wireless running time-frequency resource of CoMPhypothesis information and executing respectively of the compulsory execution mark that carries in Indication message.
Accordingly, in step S104, base station judges whether the impact of the wireless running time-frequency resource of adjustment on the whole or some communities in one or more community can accept; Under judged result is acceptable situation, base station adjusts the wireless running time-frequency resource of the whole or some communities in one or more community according to CoMP cooperation Indication message; Further, base station sends the response message of the wireless running time-frequency resource of refusal adjustment to other base stations, wherein, can carry the refusal adjustment cell information of wireless running time-frequency resource and the cause value of correspondence in this response message.
Preferably, Indication message is cancelled in CoMP cooperation, CoMP cooperates cancel request message, CoMP cooperation cancellation notice message bearing in the message of same type, and is distinguished by the predetermined mark of carrying in the message of this same type.
The present embodiment additionally provides a kind of cooperative multipoint transmission processing unit, be arranged in base station, this device is used for realizing above-mentioned cooperative multipoint transmission processing method, the concrete implementation procedure of the cooperative multipoint transmission processing unit described in device embodiment carried out detailed description in embodiment of the method, did not repeat them here.
Fig. 2 is the structural representation of the cooperative multipoint transmission processing unit according to the embodiment of the present invention, as shown in Figure 2, this device comprises: the first receiver module 202 and processing module 204, wherein, first receiver module 202, for receiving the CoMP cooperation Indication message from other base stations, wherein, CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of base station, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forced according to the one or more community of CoMPhypothesis information and executing, processing module 204 is coupled to the first receiver module 202, for the wireless running time-frequency resource of the one or more community of Indication message process that cooperates according to CoMP.
Module involved in embodiments of the invention, unit can be realized by the mode of software, also can be realized by the mode of hardware.Described module in the present embodiment, unit also can be arranged within a processor, such as, can be described as: a kind of processor comprises the first receiver module 202 and processing module 204.Wherein, the title of these modules does not form the restriction to this module itself under certain conditions, and such as, the first receiver module 202 can also be described to " for receiving the module of the CoMP cooperation Indication message from other base stations ".
Preferably, processing module 204 comprises: judging unit 2042, for judging whether adjust wireless running time-frequency resource can accept the impact of one or more community; Adjustment unit 2044 is coupled to judging unit 2042, adjusts the wireless running time-frequency resource of one or more community for the Indication message that cooperates according to CoMP.
Preferably, processing module 204 also comprises: transmitting element 2046 is coupled to judging unit 2042, for sending the response message of the wireless running time-frequency resource of refusal adjustment to other base stations, wherein, carries the cause value of the wireless running time-frequency resource of refusal adjustment in this response message.
Preferably, this device also comprises: the second receiver module 206, and cancel Indication message for the CoMP cooperation received from other base stations, wherein, the cell ID carrying one or more communities of base station in Indication message is cancelled in CoMP cooperation; Cancelling module 208 and be coupled to the second receiver module 206, for cancelling Indication message according to CoMP cooperation, cancelling the CoMP cooperation of one or more community.
Preferably, this device also comprises: the first sending module 210 is coupled to cancels module 208, for the response message of the cooperation cancellation Indication message to other base station transmission and reception to CoMP.
Preferably, this device also comprises: the 3rd receiver module 212, for receiving the CoMP cooperation cancel request message from other base stations, wherein, at least carries the cell ID of at least one community of other base stations in CoMP cooperation cancel request message; Second sending module 214 is coupled to the 3rd receiver module 212, for determining whether the CoMP cooperation agreeing to the community of cancelling other base stations, and the response message carrying determination result is sent to other base stations, wherein, this response message is used to indicate the CoMP cooperation that all or part of community at least one community of other base stations is cancelled/kept in other base stations.
Preferably, the cause value that other base station requests cancel the CoMP cooperation of all or part of community at least one community is also carried in CoMP cooperation cancel request message.
Preferably, this device also comprises: the 4th receiver module 216, for receiving the CoMP cooperation cancellation notice message from other base stations, wherein, CoMP cooperates and carries the cell ID of at least one community of other base stations in cancellation notice message, CoMP cooperate cancellation notice message be used for by other base stations/be about to cancel the message announcement of the CoMP cooperation of at least one community to base station.
Preferably, above-mentioned first to fourth receiver module can close and be set to a module, or is realized by same receiving system; Above-mentioned the first to the second sending module can close and be set to a module, or is realized by same dispensing device.
Preferably, CoMP cooperates the adjustment whether the compulsory execution mark whole communities be used to indicate in one or more community of carrying in Indication message force according to the wireless running time-frequency resource of CoMPhypothesis information and executing, or CoMP cooperates the adjustment for indicating each community in one or more community whether to force according to the wireless running time-frequency resource of CoMPhypothesis information and executing respectively of the compulsory execution mark that carries in Indication message.
Preferably, Indication message is cancelled in CoMP cooperation, CoMP cooperates cancel request message, CoMP cooperation cancellation notice message bearing in the message of same type, and is distinguished by the predetermined mark of carrying in the message of this same type.
The present embodiment additionally provides a kind of base station, and this base station comprises above-mentioned cooperative multipoint transmission processing unit.
The present embodiment additionally provides a kind of cooperative multipoint transmission treatment system, and this system comprises: multiple base station, and these multiple base stations are the base station and other base stations that describe in above-described embodiment.
Corresponding to the above-mentioned cooperative multipoint transmission processing method based on reception CoMP cooperation Indication message, device and base station, additionally provide the alignment processing method of opposite end, device and base station in the present embodiment, namely to cooperate the cooperative multipoint transmission processing method of Indication message, device and base station based on sending CoMP, respective handling in these embodiments can be carried out correspondence with reference to the above-mentioned cooperative multipoint transmission processing method based on reception CoMP cooperation Indication message, device and base station and be described, and does not repeat them here.
The present embodiment additionally provides a kind of cooperative multipoint transmission processing method, comprise: base station sends CoMP and cooperates Indication message to other base stations, wherein, CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of other base stations, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forced according to the one or more community of CoMPhypothesis information and executing; Wherein, CoMP cooperation Indication message is used to indicate the wireless running time-frequency resource that other base stations process one or more community.
The present embodiment additionally provides a kind of cooperative multipoint transmission processing unit, be arranged in base station, comprise: sending module, cooperate Indication message to other base stations for sending CoMP, wherein, CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of other base stations, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forced according to the one or more community of CoMPhypothesis information and executing; Wherein, CoMP cooperation Indication message is used to indicate the wireless running time-frequency resource that other base stations process one or more community.
The present embodiment additionally provides a kind of base station, comprising: above-mentioned comprising cooperates Indication message to the cooperative multipoint transmission processing unit of the sending module of other base stations for sending CoMP.
Be described below in conjunction with preferred embodiment and illustrate.
This preferred embodiment provides execution and the canceling method of a kind of CoMP cooperation, relates to execution and canceling method, device and the system of a kind of CoMP cooperation.
Wherein, this preferred embodiment provides the execution and canceling method that a kind of CoMP cooperates, and the method comprises one of at least following feature:
A, eNB1 send CoMP to eNB2 and to cooperate Indication message, carry one of at least following content: the CoMPhypothesis of one or more community (Cell), the mark whether enforced; If be masked as compulsory execution, then eNB2 generally must return and agrees to and adjust according to the wireless running time-frequency resource of requirement to relevant Cell of eNB1.Unless the adjustment of this requirement can cause significant impact just can return refusal to Cell relevant in eNB2, and need carry clear and definite Reason For Denial.
B, eNB1 send CoMP cooperation to eNB2 and cancel Indication message, carry one or more Cell mark (ID) in eNB2; ENB2 receives the CoMP cooperation that the relevant Cell listed in Indication message is cancelled in rear cancellation CoMP cooperation.
C, eNB1 send CoMP cooperation cancel request message to eNB2, carry the one or more CellID in eNB1; ENB2 receives post analysis and determines to agree to or refusal, returns CoMP cooperation cancel response message to eNB1; After eNB1 receives the response message of agreement, the CoMP cooperation of the relevant Cell listed in CoMP cooperation cancel request message before cancellation.
D, eNB1 send CoMP cooperation cancellation notice message to eNB2, carry the one or more CellID in eNB1; Before this or afterwards eNB1 cancels CoMP and to cooperate the CoMP cooperation of the relevant Cell listed in cancellation notice message.
Preferably, the mark whether enforced carried in CoMP cooperation Indication message can associate with the CoMPhypothesis of all Cell in this message, also can associate with the CoMPhypothesis of certain Cell.
Preferably, Indication message is cancelled in CoMP cooperation, CoMP cooperates cancel request message, CoMP cooperates, and cancellation notice message can be same message, and can define a mark in the message to distinguish this message is Indication message, request message or notification message.
Preferably, receive after Indication message is cancelled in CoMP cooperation and can return response message.
Preferably, reason for claim can be carried in CoMP cooperation cancel request message.
Preferably, the CoMP cooperation cancellation response message that part is agreed to can be returned after receiving CoMP cooperation cancel request message, carry the one or more CellID agreeing to cancellation CoMP cooperation.
Below in conjunction with above-described embodiment and preferred embodiment, be illustrated respectively by centralized and distributed cooperative multicast system.
Fig. 3 is that centralized according to the preferred embodiment of the invention CoMP cooperation is enforced and cancels the mutual schematic diagram of flow process indicated, and as shown in Figure 3, this flow process comprises the steps:
Step S302, eNB3 (being set to CoMP Cooperation controlling node) send CoMP respectively and cooperate Indication message to eNB1 and eNB2, carry and enforce mark.
Step S304, eNB1 and eNB2 estimate the impact that may cause oneself relevant Cell according to the CoMP cooperation suggestion of eNB3.As eNB1 estimates also do not have gain even may have some negative gains on the large impact of Cell1 nothing, this plan is refused, but because with compulsory execution mark in Indication message, thus agrees to the suggestion of eNB3.ENB2 estimates may there be significant impact (in Cell2, Radio Link Failure (RLF) may occur a large amount of UE) to Cell2, thus refuses the suggestion of eNB3.
Step S306, eNB1 send response message to eNB3, agree to the CoMP cooperation suggestion of eNB3; ENB2 send response message to eNB3, refusal eNB3 CoMP cooperation suggestion, and be with Reason For Denial (as a large amount of UE may there is RLF, may RLF etc. be there is in honored guest (VIP) user).
Step S308, eNB1 carry out muting according to CoMP cooperation suggestion to the wireless running time-frequency resource in Cell1.
After step S310, eNB3 receive the refuse information of eNB2, think that the CoMP not having Cell2 to participate in cooperates, its entire gain is little, so determine that cancelling this CoMP cooperates.
Step S312, eNB3 send CoMP cooperation to eNB1 and cancel Indication message, carry the ID of Cell1.
Step S314, eNB1 cancel the muting of relevant wireless running time-frequency resource in Cell1.
Fig. 4 is that centralized according to the preferred embodiment of the invention CoMP cooperation is enforced and cancels the mutual schematic diagram of flow process of asking, and as shown in Figure 4, this flow process comprises the steps:
Step S402, eNB3 (being set to CoMP Cooperation controlling node) send CoMP respectively and cooperate Indication message to eNB1 and eNB2, carry and enforce mark.
Step S404, eNB1 and eNB2 estimate the impact that may cause oneself relevant Cell according to the CoMP cooperation suggestion of eNB3.As eNB1 estimates also may obtain certain gain to Cell1 without large impact, thus agree to the suggestion of eNB3.ENB2 estimation also without large impact, thus also agrees to the suggestion of eNB3 on Cell2.
Step S406, eNB1, eNB2 send response message to eNB3, agree to the CoMP cooperation suggestion of eNB3.
Step S408, eNB1, eNB2 carry out muting to the wireless running time-frequency resource in Cell1, Cell2 respectively according to CoMP cooperation suggestion.
Step S410, eNB2 send CoMP to eNB3 and to cooperate cancel request message, carry the ID of Cell2, and carry reason as there being VIP to enter.
Step S412, after eNB3 receives the CoMP cooperation cancel request message of eNB2, assess according to information such as the reasons of carrying in request message, think and can agree to, and think that the CoMP cooperation not having Cell2 to participate in remains significant, so determine to agree to that Cell2 exits CoMP cooperation, the continuation but the CoMP of other Cell cooperates.
Step S414, eNB3 send CoMP cooperation to eNB2 and cancel response message (agreement), carry the ID of Cell2.
Step S416, eNB2 cancel the muting of relevant wireless running time-frequency resource in Cell2.
Fig. 5 is that Distributed C oMP cooperation is according to the preferred embodiment of the invention enforced and cancels the mutual schematic diagram of flow process indicated, and as shown in Figure 5, this flow process comprises the steps:
Step S502, eNB1 send CoMP and cooperate Indication message to eNB2, carry and enforce mark.
Step S504, eNB2 estimate the impact that may cause oneself relevant Cell according to the CoMP cooperation suggestion of eNB1.As eNB2 estimates do not have significant impact to Cell2, thus agree to the suggestion of eNB1.
Step S506, eNB2 send response message to eNB1, agree to the CoMP cooperation suggestion of eNB1.
Step S508, eNB2 carry out muting according to CoMP cooperation suggestion to the wireless running time-frequency resource in Cell2.
Step S510, eNB1 send CoMP cooperation to eNB2 and cancel Indication message, carry the ID of Cell2.
Step S512, eNB2 cancel the muting of relevant wireless running time-frequency resource in Cell2.
Fig. 6 is that the mutual schematic diagram of flow process with cancellation notice is enforced in Distributed C oMP cooperation according to the preferred embodiment of the invention, and as shown in Figure 6, this flow process comprises the steps:
Step S602, eNB1 send CoMP and cooperate Indication message to eNB2, carry and enforce mark.
Step S604, eNB2 estimate the impact that may cause oneself relevant Cell according to the CoMP cooperation suggestion of eNB1.As eNB2 estimates do not have significant impact to Cell2, thus agree to the suggestion of eNB1.
Step S606, eNB2 send response message to eNB1, agree to the CoMP cooperation suggestion of eNB1.
Step S608, eNB2 carry out muting according to CoMP cooperation suggestion to the wireless running time-frequency resource in Cell2.
Step S610, eNB2 send CoMP cooperation cancellation notice message to eNB1, carry the ID of Cell2.
Step S612, eNB2 cancel the muting of relevant wireless running time-frequency resource in Cell2.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
More than above are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (25)
1. a cooperative multipoint transmission processing method, is characterized in that comprising:
Base station receives the cooperative multipoint transmission CoMP cooperation Indication message from other base stations, wherein, described CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of described base station, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forcing one or more community according to described CoMPhypothesis information and executing;
The wireless running time-frequency resource of one or more community according to the process of described CoMP cooperation Indication message, described base station.
2. method according to claim 1, is characterized in that, the described wireless running time-frequency resource of one or more community according to the process of described CoMP cooperation Indication message, described base station comprises:
Described base station judges whether the described wireless running time-frequency resource of adjustment can accept the impact of described one or more community;
Under judged result is acceptable situation, described base station is according to the described wireless running time-frequency resource of the described one or more community of described CoMP cooperation Indication message adjustment.
3. method according to claim 2, is characterized in that, under judged result is unacceptable situation, described method also comprises:
Described base station sends the response message of the described wireless running time-frequency resource of refusal adjustment to other base stations described, wherein, carries the cause value of the described wireless running time-frequency resource of refusal adjustment in this response message.
4. method according to claim 1, is characterized in that, described method also comprises:
Indication message is cancelled in the CoMP cooperation that described base station receives from other base stations, and wherein, the cell ID carrying one or more communities of described base station in Indication message is cancelled in described CoMP cooperation;
Indication message is cancelled according to described CoMP cooperation in described base station, cancels the CoMP cooperation of described one or more community.
5. method according to claim 4, is characterized in that, after described base station receives the described CoMP cooperation cancellation Indication message from other base stations described, described method also comprises:
The response message of Indication message is cancelled in described base station to other base station transmission and reception described to described CoMP cooperation.
6. method according to claim 1, is characterized in that, described method also comprises:
Described base station receives the CoMP cooperation cancel request message from other base stations, wherein, at least carries the cell ID of at least one community of other base stations described in described CoMP cooperation cancel request message;
Described base station determines whether the CoMP cooperation agreeing to the community of cancelling other base stations described, and the response message carrying determination result is sent to other base stations described, wherein, this response message is used to indicate the CoMP cooperation that all or part of community at least one community of other base stations described is cancelled/kept in other base stations described.
7. method according to claim 6, is characterized in that, also carries the cause value that other base station requests described cancel the CoMP cooperation of all or part of community at least one community described in described CoMP cooperation cancel request message.
8. method according to claim 1, is characterized in that, described method also comprises:
Described base station receives the CoMP cooperation cancellation notice message from other base stations, wherein, described CoMP cooperates and carries the cell ID of at least one community of other base stations described in cancellation notice message, described CoMP cooperate cancellation notice message be used for by other base stations described/be about to cancel the message announcement of the CoMP cooperation of at least one community described to described base station.
9. method according to any one of claim 1 to 8, it is characterized in that, described CoMP cooperates the described adjustment enforced the mark whole communities be used to indicate in described one or more community and whether force according to the wireless running time-frequency resource of described CoMPhypothesis information and executing of carrying in Indication message, or described CoMP carry in Indication message described that cooperate enforces the adjustment of mark for indicating each community in described one or more community whether to force according to the wireless running time-frequency resource of described CoMPhypothesis information and executing respectively.
10. method according to claim 9, it is characterized in that, Indication message is cancelled in CoMP cooperation, CoMP cooperates cancel request message, CoMP cooperation cancellation notice message bearing in the message of same type, and is distinguished by the predetermined mark of carrying in the message of this same type.
11. 1 kinds of cooperative multipoint transmission processing unit, are arranged in base station, it is characterized in that comprising:
First receiver module, for receiving the cooperative multipoint transmission CoMP cooperation Indication message from other base stations, wherein, described CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of described base station, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forcing one or more community according to described CoMPhypothesis information and executing;
Processing module, for the wireless running time-frequency resource of the one or more community described in Indication message process that cooperates according to described CoMP.
12. devices according to claim 11, is characterized in that, described processing module comprises:
Judging unit, for judging whether the described wireless running time-frequency resource of adjustment can accept the impact of described one or more community;
Adjustment unit, for the described wireless running time-frequency resource of the described one or more community of Indication message adjustment that cooperates according to described CoMP.
13. devices according to claim 12, is characterized in that, described processing module also comprises:
Transmitting element, for sending the response message of the described wireless running time-frequency resource of refusal adjustment to other base stations described, wherein, carries the cause value of the described wireless running time-frequency resource of refusal adjustment in this response message.
14. devices according to claim 11, is characterized in that, described device also comprises:
Second receiver module, cancels Indication message for the CoMP cooperation received from other base stations, and wherein, the cell ID carrying one or more communities of described base station in Indication message is cancelled in described CoMP cooperation;
Cancelling module, for cancelling Indication message according to described CoMP cooperation, cancelling the CoMP cooperation of described one or more community.
15. devices according to claim 14, is characterized in that, described device also comprises:
First sending module, for cancelling the response message of Indication message to other base station transmission and reception described to described CoMP cooperation.
16. devices according to claim 11, is characterized in that, described device also comprises:
3rd receiver module, for receiving the CoMP cooperation cancel request message from other base stations, wherein, at least carries the cell ID of at least one community of other base stations described in described CoMP cooperation cancel request message;
Second sending module, for determining whether the CoMP cooperation agreeing to the community of cancelling other base stations described, and the response message carrying determination result is sent to other base stations described, wherein, this response message is used to indicate the CoMP cooperation that all or part of community at least one community of other base stations described is cancelled/kept in other base stations described.
17. devices according to claim 16, is characterized in that, also carry the cause value that other base station requests described cancel the CoMP cooperation of all or part of community at least one community described in described CoMP cooperation cancel request message.
18. devices according to claim 11, is characterized in that, described device also comprises:
4th receiver module, for receiving the CoMP cooperation cancellation notice message from other base stations, wherein, described CoMP cooperates and carries the cell ID of at least one community of other base stations described in cancellation notice message, described CoMP cooperate cancellation notice message be used for by other base stations described/be about to cancel the message announcement of the CoMP cooperation of at least one community described to described base station.
19. according to claim 11 to the device according to any one of 18, it is characterized in that, described CoMP cooperates the described adjustment enforced the mark whole communities be used to indicate in described one or more community and whether force according to the wireless running time-frequency resource of described CoMPhypothesis information and executing of carrying in Indication message, or described CoMP carry in Indication message described that cooperate enforces the adjustment of mark for indicating each community in described one or more community whether to force according to the wireless running time-frequency resource of described CoMPhypothesis information and executing respectively.
20. devices according to claim 19, it is characterized in that, Indication message is cancelled in CoMP cooperation, CoMP cooperates cancel request message, CoMP cooperation cancellation notice message bearing in the message of same type, and is distinguished by the predetermined mark of carrying in the message of this same type.
21. 1 kinds of base stations, is characterized in that comprising: the cooperative multipoint transmission processing unit according to any one of claim 11 to claim 20.
22. 1 kinds of cooperative multipoint transmission treatment systems, is characterized in that comprising: base station according to claim 21 and other base stations according to any one of claim 11 to claim 20.
23. 1 kinds of cooperative multipoint transmission processing methods, is characterized in that comprising:
Base station sends cooperative multipoint transmission CoMP and cooperates Indication message to other base stations, wherein, described CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of other base stations described, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forcing one or more community according to described CoMPhypothesis information and executing; Wherein, described CoMP cooperation Indication message is used to indicate the wireless running time-frequency resource of the described one or more community of process, other base stations described.
24. 1 kinds of cooperative multipoint transmission processing unit, are arranged in base station, it is characterized in that comprising:
Sending module, cooperate Indication message to other base stations for sending cooperative multipoint transmission CoMP, wherein, described CoMP cooperates and to carry following information one of at least in Indication message: the CoMPhypothesis information of one or more communities of other base stations described, be used to indicate the compulsory execution mark of the adjustment of the wireless running time-frequency resource whether forcing one or more community according to described CoMPhypothesis information and executing; Wherein, described CoMP cooperation Indication message is used to indicate the wireless running time-frequency resource of the described one or more community of process, other base stations described.
25. 1 kinds of base stations, is characterized in that comprising: cooperative multipoint transmission processing unit according to claim 24.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410191040.9A CN105101416A (en) | 2014-05-07 | 2014-05-07 | Cooperative multi-point transmission processing method and device, base station, and system thereof |
| PCT/CN2014/086971 WO2015169027A1 (en) | 2014-05-07 | 2014-09-19 | Coordinated multi-point transmission processing method and device, base station and system thereof |
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| CN201410191040.9A CN105101416A (en) | 2014-05-07 | 2014-05-07 | Cooperative multi-point transmission processing method and device, base station, and system thereof |
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| CN101820631A (en) * | 2009-02-27 | 2010-09-01 | ***通信集团公司 | Method for performing coordinated scheduling among base stations in mobile communication system and base stations |
| CN101909321A (en) * | 2009-06-02 | 2010-12-08 | ***通信集团公司 | Method, cooperation functional entity and system for cell resource scheduling |
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| WO2011016560A1 (en) * | 2009-08-07 | 2011-02-10 | 日本電気株式会社 | Wireless communication system, wireless communication method, radio station, control station, and program |
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- 2014-05-07 CN CN201410191040.9A patent/CN105101416A/en not_active Withdrawn
- 2014-09-19 WO PCT/CN2014/086971 patent/WO2015169027A1/en active Application Filing
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| CN101820631A (en) * | 2009-02-27 | 2010-09-01 | ***通信集团公司 | Method for performing coordinated scheduling among base stations in mobile communication system and base stations |
| CN101909321A (en) * | 2009-06-02 | 2010-12-08 | ***通信集团公司 | Method, cooperation functional entity and system for cell resource scheduling |
| CN101932111A (en) * | 2009-06-26 | 2010-12-29 | 中兴通讯股份有限公司 | Method and system for resource scheduling between enhanced base stations |
| US20130156001A1 (en) * | 2011-12-20 | 2013-06-20 | Marvell World Trade Ltd. | Reference signal design for coordinated multipoint transmission |
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