CN104619026A - Centralized resource coordination method and device - Google Patents
Centralized resource coordination method and device Download PDFInfo
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- CN104619026A CN104619026A CN201310543116.5A CN201310543116A CN104619026A CN 104619026 A CN104619026 A CN 104619026A CN 201310543116 A CN201310543116 A CN 201310543116A CN 104619026 A CN104619026 A CN 104619026A
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- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
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Abstract
The invention aims to provide a centralized resource coordination method and device for use in LTE-A E-CoMP (Long Term Evolution-A E-Coordinated Multiple Points Transmission/Reception). More specifically, the invention aims to provide a channel state indication solution to support CoMP with enhanced X2 signaling under the situation of non-idle return connection. Evolved nodes B realize centralized inter-cell resource coordination in cooperation with a central node. The method comprises the following specific steps: reserving specific channel resource configuration in cells corresponding to the evolved nodes B; transmitting the channel state related information of the cells to the central node according to channel measurement information reported by each piece of user equipment in the cells in order that the central node performs centralized resource allocation for relevant cells according to the channel state related information reported by each cell, wherein the channel state related information comprises at least any one of resource allocation matrixes of the cells and the channel information of the cells; and scheduling each piece of user equipment in the cells on reserved specific channel resources according to resource allocation information returned by the central node.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate in a kind of LTE and coordinate central node to realize the technology of centralized resources coordination (centralized resource coordination) for base station.
Background technology
At LTE(Long Term Evolution, Long Term Evolution) version 11(Release11) in, cooperative multipoint transmission (CoMP, Coordinated Multiple PointsTransmission/Reception) is widely studied, and it supposes that idle backhaul connects and centralized scheduling.In the version 12 of LTE, it will be strengthened further, is connected with busy backhaul to have actual network imagination.Typical busy backhaul connects the delay usually with about 15-60ms, and this brings larger design challenge by for coordinated scheduling.
A feasible solution is that the channel condition information of subscriber equipment (UE, User Equipment) is sent to Resource Scheduler, is each cell allocation resource with the channel condition information making Resource Scheduler can receive according to it.But current X2 interface does not support the exchange of above-mentioned information.
Summary of the invention
The object of this invention is to provide the method and apparatus that a kind of centralized resources for LTE-A E-CoMP is coordinated.More specifically, the object of this invention is to provide the solution of a kind of channel status instruction, there is under connecting situation to support busy backhaul the CoMP of the X2 signaling of enhancing.
According to an aspect of the present invention, provide a kind of method realizing centralized resource coordination between cells in base station end cooperation, wherein, the method comprises:
A retains the particular channel resource distribution in community corresponding to this base station;
B is according to the channel measurement information of user equipment to report each in described community, send the channel status relevant information of described community to central node, the channel status relevant information reported according to each community for described central node is for carrying out pooling of resources distribution in related cell;
Wherein, described channel status relevant information comprises following at least any one:
The resource assignment matrix of-community;
The channel information of-community;
The resource allocation information that c returns according to described central node, retained particular channel resource is dispatched each subscriber equipment in described community.
According to another aspect of the present invention, additionally provide a kind of device realizing centralized resource coordination between cells in base station end cooperation, wherein, this device comprises:
Resource retaining device, for retaining the particular channel resource distribution in community corresponding to this base station;
Information reporting device, for the channel measurement information according to user equipment to report each in described community, send the channel status relevant information of described community to central node, the channel status relevant information reported according to each community for described central node is for carrying out pooling of resources distribution in related cell;
Wherein, described channel status relevant information comprises following at least any one:
The resource assignment matrix of-community;
The channel information of-community;
Resource scheduling device, for the resource allocation information returned according to described central node, retained particular channel resource is dispatched each subscriber equipment in described community.
Compared with prior art, the present invention makes eNB to the channel status relevant information of CN reporting subdistrict by the X2 signaling strengthened, the resource assignment matrix of such as community, comprise the channel information etc. of CSI/RSRP/RSRQ/PF tolerance, determine to make Resourse Distribute according to the channel status relevant information that each community reports for related cell by CN.Further, the channel status relevant information that eNB reports can also comprise buffer status information, transmission situation and transmission mode.
In addition, the present invention additionally provides NZP/ZPCSI-RS and the CSI-IM configuration mechanism coordinated for centralized resources equally.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 illustrates according to an exemplary system schematic of the present invention;
Fig. 2 illustrates according to the system flow chart in an exemplary time domain of the present invention;
Fig. 3 illustrates that base station coordinates central node to realize the method flow diagram of centralized resource coordination between cells according to an embodiment of the invention;
Fig. 4 a illustrates that the base station according to the present invention's preferred exemplary retains the flow chart of specific resources configuration;
Fig. 4 b illustrates that the base station according to another preferred exemplary of the present invention retains the flow chart of specific resources configuration;
Fig. 5 illustrates the flow chart of the base station release specific resources configuration according to a preferred exemplary of the present invention;
Fig. 6 illustrates and coordinates central node to realize the schematic diagram of the device of centralized resource coordination between cells in base station end in accordance with another embodiment of the present invention.
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The invention provides a kind of base station (eNB, evolved Node B) and coordinate with central node (CN, Central Node) scheme realizing centralized resource coordination between cells.Fig. 1 illustrates a system schematic of the present invention.Wherein, eNB1 with eNB2 is all connected with CN, and UE1 provides service by eNB1, and UE2 provides service by eNB2.
Coordinate and consult Fig. 2, in the moment 0, UE1 to eNB1 transmitting channel metrical information, such as CSI CSI/RSRP/RSRQ/ACK/NACK; UE2 is also to eNB2 transmitting channel metrical information, such as CSI CSI/RSRP/RSRQ/ACK/NACK; ENB1 and eNB2, according to respectively since the channel measurement information that UE receives, respectively to CN transmitting channel status related information, is used for Resourse Distribute for CN.
Resource allocation information is returned to relevant eNB in the moment 1, CN.
UE in its community of each self scheduling of resource allocation information that moment 2, eNB1 and eNB2 return according to CN.
Those skilled in the art will be understood that above quantity and/moment are only the object illustrating the present invention, and should not be interpreted as any limitation of the invention.
Fig. 3 illustrates method flow diagram according to an embodiment of the invention, and the process realizing centralized resource coordination between cells in base station end cooperation is shown.
In step S301, eNB1 retains the particular channel resource distribution in its respective cell.
Particularly, coordinate and consult Fig. 4 a, in a preferred exemplary, for realizing the resource distribution to multiple community, the X2 signaling retained for resource distribution is suggested.
CN sends resource distribution to eNB1 and retains request (resource configuration reserverequest), retains specific resources configuration to ask eNB1.
If eNB1 returns the resource distribution of carrying successfully indication information retain acknowledge message (resource configuration reserve confirmation), CN then can send resource distribution to eNB2 subsequently and retain request, to retain to eNB2 request the resource distribution expected.
If eNB1 returns the resource distribution of carrying unsuccessfully indication information retain acknowledge message or nonreply within the scope of special time, CN then can think that such resource distribution retains to be asked unsuccessfully.
After receive resource distribution reservation request from CN, eNB2 can make resource distribution and determine according to received request message.
ENB2 can return the resource distribution of carrying successfully indication information or failed indication information and retain acknowledge message to CN.
In another preferred exemplary, Fig. 4 b is consulted in cooperation, and CN also can send resource distribution respectively to eNB1 and eNB2 simultaneously and retain request, and receives corresponding resource distribution reservation acknowledge message respectively from both.
Alternately, eNB also can initiate resource distribution and retain request, and after CN returns resource distribution reservation acknowledge message, retains the configuration of its specific resources.
resource distribution retains request
The X2 scheduling request Target cell of " resource distribution retains request " retains specific resources configuration.Wherein,
-" resource distribution retain request " should/can associated objects community ID and/or effective time scope, such as, its instruction has the first subframe ID of effectively configuration;
-specified resource distribution can be ZP CSI-RS(zero-power channel stateinformation reference signal at this, zero energy channel state information reference signals), PDSCH(physical downlink shared channel, physical down link sharing channel), NZPCSI-RS(non-zero power channel state information reference signal, non-zero power channel state information reference signals), CSI-IM(CSI-interference measurement CSI interferometry), CSI process (CSI-process), running time-frequency resource limits, PDSCH transmission power setting restriction and/or specific PMI limit,
-for existing configuration, X2 signaling directly can indicate configuration identifier or/or ID/ virtual subdistrict, community ID.
resource distribution retains acknowledge message
If " resource distribution reservation acknowledge message " carries successfully indication information, this represents that the eNB sending this message promises to undertake and retains corresponding resource distribution until there is the new information from the eNB sending this message, other adjacent eNB or CN.
If " resource distribution reservation acknowledge message " carries unsuccessfully indication information, this represents that the eNB sending this message does not promise to undertake and retains corresponding resource distribution.
resource allocation request
The X2 signaling of " resource allocation request " shown in Fig. 4 a is identical with " resource distribution retains asks ", has equally or does not have resource reservation function.
Next, coordinate and consult Fig. 5, CN can send " resource distribution reservation release message " to eNB1, to discharge corresponding resource distribution.
After receive " resource distribution reservation release message " from CN, eNB1 can determine whether discharge respective resources configuration.Further, release determines not mean that eNB1 will replace such resource distribution immediately, but meaning eNB1 no longer promises to undertake that reservation of resource configures.
Resource distribution indicated by " resource distribution reservation release message " can with receive the eNB of this message or to initiate the eNB of this message corresponding.Also namely, CN and eNB all can initiate " resource distribution reservation release message ".If eNB is initiated in the instruction of this message, then mean that this initiation eNB no longer promises to undertake the resource distribution specified by reservation.At this, specified resource distribution can be ZP CSI-RS(zero-power channel state information reference signal, zero energy channel state information reference signals), PDSCH(physical downlink shared channel, physical down link sharing channel), NZP CSI-RS(non-zero power channel state informationreference signal, non-zero power channel state information reference signals), CSI-IM(CSI-interference measurement, CSI interferometry), CSI process (CSI-process), running time-frequency resource limits, PDSCH transmission power setting restriction and/or specific PMI limit.
Return and consult Fig. 3, in step s 302, the channel measurement information that eNB1 reports according to UE each in its community, sends the channel status relevant information of its community to CN, the channel status relevant information reported according to each community for CN is for carrying out pooling of resources distribution in related cell.
Wherein, the channel status relevant information of community comprises following at least any one:
1) resource assignment matrix of community, eNB1 can send resource assignment matrix (capacity matrix) to CN, and the whole Resourse Distribute being related cell for CN are made decision.Resource assignment matrix at least comprises the following information:
The granularity of-resource assignment matrix, its granularity can be the PRB(PhysicalResource Block on time-frequency domain, Physical Resource Block) rank/PRBG(Physical Resource Block Group, Physical Resource Block group) rank/subband rank/carrier-grade/broadband rank/subframe rank;
-resource assignment matrix for special object, namely this resource assignment matrix is based on particular UE (UE-specific), or based on specific cell (cell-specific);
The resource allocation mode of-resource assignment matrix, such as power mode, beam modes and/or scheduling method;
The capacities chart value indicative of-resource assignment matrix, this resource assignment matrix can be explicitly defined, vague definition or difference definition, such as, it can be explicitly defined to 0/1/2/3 ..., 8; Or be too low/low/medium etc./high by vague definition, wherein then capacity is too low for the Resourse Distribute of too low expression as adopted, and low expression capacity is low, by that analogy; Or be defined as-2/-1/0/1/2 by difference.
Resource assignment matrix can also be associated with subframe ID, community ID and/or UE ID.
2) channel information of community, eNB1 can send the channel information of community to CN, the whole Resourse Distribute being related cell for CN are made decision.At this, the channel information of community at least comprises the following information:
The CSI information of-intra-cell users equipment, it can comprise:
rRM(Radio resource management, RRM) metrical information, such as RSRP(Reference signal received power, Reference Signal Received Power) and/or RSRQ(Reference Signal Received Quality, Reference Signal Received Quality), or short-term RSRP/RSRQ.ENB1 may to CN report one or more RSRP and/or RSRQ relevant to one or more UE, the information reported should/following all or part of information can be comprised:
The ID of respective cell and UE;
Persond eixis information, such as SFN(System Frame Number, System Frame Number), for short-term RSRP/RSRQ;
The occurrence of every information;
Difference value, as-6dB/-5dB/....0dB/1dB/2dB, or lower than threshold value 1, or higher than threshold value 2, this value can default value or specific cell RSRP/RSRQ difference relatively, and this specific cell can be Serving cell, the community that has the community of minimum community ID or specified by X2 signaling.
Difference value directly can send or table look-up acquisition according to index.
cSI metrical information, such as, PMI(Precoding Matrix Indicator, precoding matrix indicator), CQI(Channel-Quality Indicator, channel quality indicates) and/or RI(Rank Indicator, grade indicates).ENB1 may to CN report one or more RSRP and/or RSRQ relevant to one or more UE, the information reported should/following all or part of information can be comprised:
The ID of respective cell and UE;
Persond eixis information, such as SFN(System Frame Number, System Frame Number), for short-term RSRP/RSRQ;
PMI/CQI/PI, the PMI/CQI/PI reported can be associated with CSI process/CSI-IM/CSI – RS;
√ broadband/subband PMI/CQI or selected PMI/CQI;
√ long-term filtering broadband/subband PMI/CQI or selected long-term filtering PMI/CQI;
The occurrence of √ every information;
√ differential CQI, such as-2/-1/0/1/2, or lower than threshold value 3, or higher than threshold value 4, this value can default value or specific cell RSRP/RSRQ difference relatively, and this specific cell can be Serving cell, the community that has the community of minimum community ID or specified by X2 signaling;
√ RI can be limited to the instruction of X2 signaling or code book restriction;
√ RI can be restricted to the RI of a particular value or specified CSI process or specific cell, and this specific cell can be Serving cell, the community that has the community of minimum community ID or specified by X2 signaling.
-intra-cell users equipment is about the weight coefficient of PF algorithm (Proportional Fair, proportional fair algorithm).ENB1 can to the weight coefficient of the relevant UE of CN report about PF algorithm, and these weight coefficients can be taked to define with under type:
clearly define, as 1/2/3;
vague definition, as low/medium/high;
difference defines, as-2/-1/0/1/2.
Wherein, these values above-mentioned can be sent directly between or index is tabled look-up acquisition.Weight coefficient can be PF tolerance (metric) of each UE.
At this, those skilled in the art will be understood that eNB1 only can send in above-mentioned resource assignment matrix or channel information one to CN, make Resourse Distribute for it and determine for related cell is concentrated; Resource assignment matrix and channel information also all can be sent to CN by eNB1, make Resourse Distribute determine for it for related cell is concentrated.
Preferably, eNB1 can also comprise following at least any one to the channel status relevant information that CN sends:
The buffer status information of relevant user equipment in-community;
Because X2 postpones, CN does not know the Real time buffer state of each community institute service UE, therefore, if X2 postpones longer, CN does not need the UE Resources allocation for having less residual flow unloading (rest trafficoffload), thus needs to consider the UE select permeability for CSI information reporting by X2 interface.ENB can be correlated with the buffer status of UE in fuzzy report, as heavy/in/light, or to increase/stable/reduce.
The transmission situation of relevant user equipment in-community;
The transmission situation information corresponding to relevant UE is sent to CN by eNB, and transmission situation can be relevant to following content:
packet loss, such as seriously/high/medium/low;
aCK/NACK, the quantity of such as ACK/NACK or ratio.
Transmission situation can be defined as very poor/medium/better, or is described by interference rank.
The transmission mode of-community.
Different transmission modes will cause different Resourse Distribute.Therefore, transmission mode can exchange between eNB and CN.Transmission mode can comprise following all or part of information:
maximum dispatched users quantity on the identical running time-frequency resource of specified community;
single user scheduling or multi-subscriber dispatching;
TM1/2/../TM10；
the grade of each UE limits, and can be indicated replace by RI.
CN, after receiving the channel status relevant information that each community reports, makes Resourse Distribute for related cell and determines.The resource allocation information being sent to eNB by CN can comprise power division, beam allocation and the dispatching distribution with scope effective time, the such as ID of first effective subframe.
Wherein:
-beam allocation information comprises code book restricted information, antenna end slogan and rank, and the designator of the mixed-beam of the designator of W1 or W1 and W2 (joint beam);
-beam allocation information comprises the indication information of CSI process, CSI-RS and CSI-IM;
-multi-level beam allocation information comprises many group beam allocation information;
-power setting information is associated with the combination of wave beam and/or frequency cells and/or time quantum, to indicate in the power setting initiating to have the transfer point (TP, Transmission Point) of given combination;
-Scheduling assistance information comprises the indication information of more strong interferers;
-for scheduling of resource adjustment resource using information and interference rank.
Subsequently, in step S303, the resource allocation information that eNB1 returns according to CN, each UE in retained particular channel resource Shang Duiqi community dispatches.At this, CN only can return the resource allocation information of the community about eNB1, also can provide the resource allocation information of other communities simultaneously, carry out Resourse Distribute adjustment for eNB1.
Fig. 6 illustrates device schematic diagram according to another embodiment of the invention, and the device realizing centralized resource coordination between cells in base station end cooperation is shown.As shown in Figure 6, device 60 is installed in eNB1, comprises resource retaining device 601, information reporting device 602 and resource scheduling device 603.
Resource retaining device 601 retains the particular channel resource distribution in community corresponding to eNB1.
Particularly, coordinate and consult Fig. 4 a, in a preferred exemplary, for realizing the resource distribution to multiple community, the X2 signaling retained for resource distribution is suggested.
CN sends resource distribution to eNB1 and retains request (resource configuration reserverequest), retains specific resources configuration to ask eNB1.
If the resource retaining device 601 of eNB1 returns the resource distribution of carrying successfully indication information retain acknowledge message (resource configuration reserve confirmation), CN then can send resource distribution to eNB2 subsequently and retain request, to retain to eNB2 request the resource distribution expected.
If the resource retaining device 601 of eNB1 returns the resource distribution of carrying unsuccessfully indication information retain acknowledge message or nonreply within the scope of special time, CN then can think that such resource distribution retains to be asked unsuccessfully.
After receive resource distribution reservation request from CN, eNB2 can make resource distribution and determine according to received request message.Similarly, eNB2 also has the device (not shown) identical with said apparatus 60, distributes to coordinate the centralized resources realized in the present invention with CN.
The resource retaining device of eNB2 can return the resource distribution of carrying successfully indication information or failed indication information and retain acknowledge message to CN.
In another preferred exemplary, Fig. 4 b is consulted in cooperation, and CN also can send resource distribution respectively to eNB1 and eNB2 simultaneously and retain request, and receives corresponding resource distribution reservation acknowledge message respectively from both resource retaining devices.
Alternately, the resource retaining device of eNB also can be initiated resource distribution and be retained request, and after CN returns resource distribution reservation acknowledge message, retains the configuration of its specific resources.
resource distribution retains request
The X2 scheduling request Target cell of " resource distribution retains request " retains specific resources configuration.Wherein,
-" resource distribution retain request " should/can associated objects community ID and/or effective time scope, such as, its instruction has the first subframe ID of effectively configuration;
-specified resource distribution can be ZP CSI-RS(zero-power channel stateinformation reference signal at this, zero energy channel state information reference signals), PDSCH(physical downlink shared channel, physical down link sharing channel), NZPCSI-RS(non-zero power channel state information reference signal, non-zero power channel state information reference signals), CSI-IM(CSI-interference measurement CSI interferometry), CSI process (CSI-process), running time-frequency resource limits, PDSCH transmission power setting restriction and/or specific PMI limit,
-for existing configuration, X2 signaling directly can indicate configuration identifier or/or ID/ virtual subdistrict, community ID.
resource distribution retains acknowledge message
If " resource distribution reservation acknowledge message " carries successfully indication information, this represents that the eNB sending this message promises to undertake and retains corresponding resource distribution until there is the new information from the eNB sending this message, other adjacent eNB or CN.
If " resource distribution reservation acknowledge message " carries unsuccessfully indication information, this represents that the eNB sending this message does not promise to undertake and retains corresponding resource distribution.
resource allocation request
The X2 signaling of " resource allocation request " shown in Fig. 4 a is identical with " resource distribution retains asks ", has equally or does not have resource reservation function.
Next, coordinate and consult Fig. 5, CN can send " resource distribution reservation release message " to eNB1, to discharge corresponding resource distribution.
After receive " resource distribution reservation release message " from CN, the resource retaining device 601 of eNB1 can determine whether discharge respective resources configuration.Further, release determines not mean that resource retaining device 601 will replace such resource distribution immediately, but meaning resource retaining device 601 no longer promises to undertake reservation of resource configuration.
Resource distribution indicated by " resource distribution reservation release message " can with receive the eNB of this message or to initiate the eNB of this message corresponding.Also namely, CN and eNB all can initiate " resource distribution reservation release message ".If eNB is initiated in the instruction of this message, then mean that this initiation eNB no longer promises to undertake the resource distribution specified by reservation.At this, specified resource distribution can be ZP CSI-RS(zero-power channel state information reference signal, zero energy channel state information reference signals), PDSCH(physical downlink shared channel, physical down link sharing channel), NZP CSI-RS(non-zero power channel state informationreference signal, non-zero power channel state information reference signals), CSI-IM(CSI-interference measurement, CSI interferometry), CSI process (CSI-process), running time-frequency resource limits, PDSCH transmission power setting restriction and/or specific PMI limit.
Return and consult Fig. 6, the channel measurement information that information reporting device 602 reports according to UE each in the community of eNB1, send the channel status relevant information of its community to CN, the channel status relevant information reported according to each community for CN is for carrying out pooling of resources distribution in related cell.
Wherein, the channel status relevant information of community comprises following at least any one:
1) resource assignment matrix of community, information reporting device 602 can send resource assignment matrix (capacity matrix) to CN, and the whole Resourse Distribute being related cell for CN are made decision.Resource assignment matrix at least comprises the following information:
The granularity of-resource assignment matrix, its granularity can be the PRB(PhysicalResource Block on time-frequency domain, Physical Resource Block) rank/PRBG(Physical Resource Block Group, Physical Resource Block group) rank/subband rank/carrier-grade/broadband rank/subframe rank;
-resource assignment matrix for special object, namely this resource assignment matrix is based on particular UE (UE-specific), or based on specific cell (cell-specific);
The resource allocation mode of-resource assignment matrix, such as power mode, beam modes and/or scheduling method;
The capacities chart value indicative of-resource assignment matrix, this resource assignment matrix can be explicitly defined, vague definition or difference definition, such as, it can be explicitly defined to 0/1/2/3 ..., 8; Or be too low/low/medium etc./high by vague definition, wherein then capacity is too low for the Resourse Distribute of too low expression as adopted, and low expression capacity is low, by that analogy; Or be defined as-2/-1/0/1/2 by difference.
Resource assignment matrix can also be associated with subframe ID, community ID and/or UE ID.
2) channel information of community, information reporting device 602 can send the channel information of community to CN, the whole Resourse Distribute being related cell for CN are made decision.At this, the channel information of community at least comprises the following information:
The CSI information of-intra-cell users equipment, it can comprise:
rRM(Radio resource management, RRM) metrical information, such as RSRP(Reference signal received power, Reference Signal Received Power) and/or RSRQ(Reference Signal Received Quality, Reference Signal Received Quality), or short-term RSRP/RSRQ.ENB1 may to CN report one or more RSRP and/or RSRQ relevant to one or more UE, the information reported should/following all or part of information can be comprised:
The ID of respective cell and UE;
Persond eixis information, such as SFN(System Frame Number, System Frame Number), for short-term RSRP/RSRQ;
The occurrence of every information;
Difference value, as-6dB/-5dB/....0dB/1dB/2dB, or lower than threshold value 1, or higher than threshold value 2, this value can default value or specific cell RSRP/RSRQ difference relatively, and this specific cell can be Serving cell, the community that has the community of minimum community ID or specified by X2 signaling.
Difference value directly can send or table look-up acquisition according to index.
cSI metrical information, such as, PMI, CQI and/or RI.ENB1 may to CN report one or more RSRP and/or RSRQ relevant to one or more UE, the information reported should/following all or part of information can be comprised:
The ID of respective cell and UE;
Persond eixis information, such as SFN(System Frame Number, System Frame Number), for short-term RSRP/RSRQ;
PMI/CQI/PI, the PMI/CQI/PI reported can be associated with CSI process/CSI-IM/CSI – RS;
√ broadband/subband PMI/CQI or selected PMI/CQI;
√ long-term filtering broadband/subband PMI/CQI or selected long-term filtering PMI/CQI;
The occurrence of √ every information;
√ differential CQI, such as-2/-1/0/1/2, or lower than threshold value 3, or higher than threshold value 4, this value can default value or specific cell RSRP/RSRQ difference relatively, and this specific cell can be Serving cell, the community that has the community of minimum community ID or specified by X2 signaling;
√ RI can be limited to the instruction of X2 signaling or code book restriction;
√ RI can be restricted to the RI of a particular value or specified CSI process or specific cell, and this specific cell can be Serving cell, the community that has the community of minimum community ID or specified by X2 signaling.
-intra-cell users equipment is about the weight coefficient of PF algorithm (Proportional Fair, proportional fair algorithm).ENB1 can to the weight coefficient of the relevant UE of CN report about PF algorithm, and these weight coefficients can be taked to define with under type:
clearly define, as 1/2/3;
vague definition, as low/medium/high;
difference defines, as-2/-1/0/1/2.
Wherein, these values above-mentioned can be sent directly between or index is tabled look-up acquisition.Weight coefficient can be PF tolerance (metric) of each UE.
Will be understood that information reporting device 602 only can send in above-mentioned resource assignment matrix or channel information one to CN these those skilled in the art, make Resourse Distribute for it determine for related cell is concentrated; Resource assignment matrix and channel information also all can be sent to CN by information reporting device 602, make Resourse Distribute determine for it for related cell is concentrated.
Preferably, information reporting device 602 can also comprise following at least any one to the channel status relevant information that CN sends:
The buffer status information of relevant user equipment in-community;
Because X2 postpones, CN does not know the Real time buffer state of each community institute service UE, therefore, if X2 postpones longer, CN does not need the UE Resources allocation for having less residual flow unloading (rest trafficoffload), thus needs to consider the UE select permeability for CSI information reporting by X2 interface.Information reporting device 602 can be correlated with the buffer status of UE in fuzzy report, as heavy/in/light, or to increase/stable/reduce.
The transmission situation of relevant user equipment in-community;
The transmission situation information corresponding to relevant UE is sent to CN by information reporting device 602, and transmission situation can be relevant to following content:
packet loss, such as seriously/high/medium/low;
aCK/NACK, the quantity of such as ACK/NACK or ratio.
Transmission situation can be defined as very poor/medium/better, or is described by interference rank.
The transmission mode of-community.
Different transmission modes will cause different Resourse Distribute.Therefore, transmission mode can exchange between eNB and CN.Transmission mode can comprise following all or part of information:
maximum dispatched users quantity on the identical running time-frequency resource of specified community;
single user scheduling or multi-subscriber dispatching;
TM1/2/../TM10；
the grade of each UE limits, and can be indicated replace by RI.
CN, after receiving the channel status relevant information that each community reports, makes Resourse Distribute for related cell and determines.The resource allocation information being sent to eNB by CN can comprise power division, beam allocation and the dispatching distribution with scope effective time, the such as ID of first effective subframe.
Wherein:
-beam allocation information comprises code book restricted information, antenna end slogan and rank, and the designator of the mixed-beam of the designator of W1 or W1 and W2 (joint beam);
-beam allocation information comprises the indication information of CSI process, CSI-RS and CSI-IM;
-multi-level beam allocation information comprises many group beam allocation information;
-power setting information is associated with the combination of wave beam and/or frequency cells and/or time quantum, to indicate in the power setting initiating to have the transfer point (TP, Transmission Point) of given combination;
-Scheduling assistance information comprises the indication information of more strong interferers;
-for scheduling of resource adjustment resource using information and interference rank.
Subsequently, the resource allocation information that resource scheduling device 603 returns according to CN, each UE in retained particular channel resource Shang Duigai community dispatches.At this, CN only can return the resource allocation information of the community about eNB1, also can provide the resource allocation information of other communities simultaneously, carry out Resourse Distribute adjustment for eNB1.
It should be noted that the present invention can be implemented in the assembly of software and/or software restraint, such as, application-specific integrated circuit (ASIC) (ASIC), general object computer or any other similar hardware device can be adopted to realize.
Software program of the present invention can perform to realize step mentioned above or function by processor.Similarly, software program of the present invention (comprising relevant data structure) can be stored in computer readable recording medium storing program for performing, such as, and RAM memory, magnetic or CD-ROM driver or floppy disc and similar devices.In addition, steps more of the present invention or function can adopt hardware to realize, such as, as coordinating with processor thus performing the circuit of each function or step.
In addition, a part of the present invention can be applied to computer program, such as computer program instructions, when it is performed by computer, by the operation of this computer, can call or provide according to method of the present invention and/or technical scheme.And call the program command of method of the present invention, may be stored in fixing or moveable recording medium, and/or be transmitted by the data flow in broadcast or other signal bearing medias, and/or be stored in the working storage of the computer equipment run according to described program command.At this, according to one embodiment of present invention, it comprises a device, this device comprises the memory for storing computer program instructions and the processor for execution of program instructions, wherein, when this computer program instructions is performed by this processor, trigger this plant running based on the aforementioned method according to multiple embodiment of the present invention and/or technical scheme.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.In addition, obviously " comprising " one word do not get rid of other unit or step, odd number does not get rid of plural number.Multiple unit of stating in system claims or device also can be realized by software or hardware by a unit or device.First, second word such as grade is used for representing title, and does not represent any specific order.
Claims (10)
1. coordinate the method realizing centralized resource coordination between cells in base station end, wherein, the method comprises:
A retains the particular channel resource distribution in community corresponding to this base station;
B is according to the channel measurement information of user equipment to report each in described community, send the channel status relevant information of described community to central node, the channel status relevant information reported according to each community for described central node is for carrying out pooling of resources distribution in related cell;
Wherein, described channel status relevant information comprises following at least any one:
The resource assignment matrix of-community;
The channel information of-community;
The resource allocation information that c returns according to described central node, retained particular channel resource is dispatched each subscriber equipment in described community.
2. method according to claim 1, wherein, described resource assignment matrix comprises the following information further:
The granularity of-described resource assignment matrix;
-described resource assignment matrix for special object;
The resource allocation mode of-described resource assignment matrix;
The capacities chart value indicative of-described resource assignment matrix.
3. method according to claim 1 and 2, wherein, described channel information comprises the following information further:
The CSI information of-intra-cell users equipment;
-intra-cell users equipment is about the weight coefficient of proportional fair algorithm.
4. according to the method in any one of claims 1 to 3, wherein, described channel status relevant information also comprises following at least any one:
The buffer status information of relevant user equipment in-community;
The transmission situation of relevant user equipment in-community;
The transmission mode of-community.
5. method according to any one of claim 1 to 4, wherein, described step a comprises further:
-according to the resource allocation request of described central node, retain the particular channel resource distribution in community corresponding to this base station.
6. coordinate the device realizing centralized resource coordination between cells in base station end, wherein, this device comprises:
Resource retaining device, for retaining the particular channel resource distribution in community corresponding to this base station;
Information reporting device, for the channel measurement information according to user equipment to report each in described community, send the channel status relevant information of described community to central node, the channel status relevant information reported according to each community for described central node is for carrying out pooling of resources distribution in related cell;
Wherein, described channel status relevant information comprises following at least any one:
The resource assignment matrix of-community;
The channel information of-community;
Resource scheduling device, for the resource allocation information returned according to described central node, retained particular channel resource is dispatched each subscriber equipment in described community.
7. device according to claim 6, wherein, described resource assignment matrix comprises the following information further:
The granularity of-described resource assignment matrix;
-described resource assignment matrix for special object;
The resource allocation mode of-described resource assignment matrix;
The capacities chart value indicative of-described resource assignment matrix.
8. the device according to claim 6 or 7, wherein, described channel information comprises the following information further:
The CSI information of-intra-cell users equipment;
-intra-cell users equipment is about the weight coefficient of proportional fair algorithm.
9. the device according to any one of claim 6 to 8, wherein, described channel status relevant information also comprises following at least any one:
The buffer status information of relevant user equipment in-community;
The transmission situation of relevant user equipment in-community;
The transmission mode of-community.
10. the method according to any one of claim 6 to 9, wherein, described resource retaining device is further used for:
-according to the resource allocation request of described central node, retain the particular channel resource distribution in community corresponding to this base station.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543116.5A CN104619026A (en) | 2013-11-05 | 2013-11-05 | Centralized resource coordination method and device |
| TW103136461A TW201526686A (en) | 2013-11-05 | 2014-10-22 | Method and apparatus for centralized resource coordination |
| PCT/IB2014/002615 WO2015068037A1 (en) | 2013-11-05 | 2014-10-30 | Method and apparatus for centralized resource coordination |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310543116.5A CN104619026A (en) | 2013-11-05 | 2013-11-05 | Centralized resource coordination method and device |
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| CN104619026A true CN104619026A (en) | 2015-05-13 |
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| CN201310543116.5A Pending CN104619026A (en) | 2013-11-05 | 2013-11-05 | Centralized resource coordination method and device |
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| Country | Link |
|---|---|
| CN (1) | CN104619026A (en) |
| TW (1) | TW201526686A (en) |
| WO (1) | WO2015068037A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110035447A (en) * | 2018-01-11 | 2019-07-19 | 维沃移动通信有限公司 | A kind of measuring configuration method and terminal device |
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| TWI698111B (en) * | 2018-11-21 | 2020-07-01 | 國立交通大學 | COMMUNICATION SYSTEM OF QoE-ORIENTED CROSS-LAYER BEAM ALLOCATION AND ADMISSION CONTROL FOR FUNCTIONAL SPLITTED WIRELESS FRONTHAUL COMMUNICATIONS |
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| WO2013024854A1 (en) * | 2011-08-15 | 2013-02-21 | 株式会社エヌ・ティ・ティ・ドコモ | Wireless communication system, wireless base station device, user terminal, and wireless communication method |
| CN103139796A (en) * | 2011-11-29 | 2013-06-05 | 华为技术有限公司 | Method and device of disruption management |
| CN103262593A (en) * | 2010-10-22 | 2013-08-21 | 株式会社Ntt都科摩 | Apparatus and method for determining a core network configuration of a wireless communication system |
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2013
- 2013-11-05 CN CN201310543116.5A patent/CN104619026A/en active Pending
-
2014
- 2014-10-22 TW TW103136461A patent/TW201526686A/en unknown
- 2014-10-30 WO PCT/IB2014/002615 patent/WO2015068037A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103262593A (en) * | 2010-10-22 | 2013-08-21 | 株式会社Ntt都科摩 | Apparatus and method for determining a core network configuration of a wireless communication system |
| WO2013024854A1 (en) * | 2011-08-15 | 2013-02-21 | 株式会社エヌ・ティ・ティ・ドコモ | Wireless communication system, wireless base station device, user terminal, and wireless communication method |
| CN103139796A (en) * | 2011-11-29 | 2013-06-05 | 华为技术有限公司 | Method and device of disruption management |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110035447A (en) * | 2018-01-11 | 2019-07-19 | 维沃移动通信有限公司 | A kind of measuring configuration method and terminal device |
| CN110035447B (en) * | 2018-01-11 | 2021-09-24 | 维沃移动通信有限公司 | Measurement configuration method and terminal equipment |
Also Published As
| Publication number | Publication date |
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| WO2015068037A1 (en) | 2015-05-14 |
| TW201526686A (en) | 2015-07-01 |
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Address after: No. 388, ningqiao Road, China (Shanghai) free trade test area, Pudong New Area, Shanghai Applicant after: Shanghai NOKIA Baer Limited by Share Ltd Applicant after: Alcatel Optical Networks Israe Address before: 201206 Pudong New Area Jinqiao Ning Road, Shanghai, No. 388 Applicant before: Shanghai Alcatel-Lucent Co., Ltd. Applicant before: Alcatel Optical Networks Israe |
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