CN103415068B - Power control method and communication device - Google Patents
Power control method and communication device Download PDFInfo
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- CN103415068B CN103415068B CN201310344653.7A CN201310344653A CN103415068B CN 103415068 B CN103415068 B CN 103415068B CN 201310344653 A CN201310344653 A CN 201310344653A CN 103415068 B CN103415068 B CN 103415068B
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Abstract
The embodiment of the invention provides a power control method and a communication device and relates to the communication field. The power control method and the communication device can solve the problem that due to the fact that the transmitting power of an existing base station can not be adjusted on each RBG, full transmitting power needs to be used and then adjacent regions can be seriously interfered. The power control method comprises the steps that a cell set is determined by the base station, wherein the cell set comprises cells needing to be optimized in the next combined dispatching power control JSPC optimization cycle; the transmission efficiency total value of each RBG under each power level condition is obtained, wherein each transmission efficiency total value is the sum of the transmission efficiency of all cells of each RBG under each power level condition; a power optimization value corresponding to each RBG is determined by the base station, wherein each power optimization value is the power level corresponding to the largest transmission efficiency total value of each RBG under one power level condition. The power control method and the communication device are used for power control during combined dispatching.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of Poewr control method and communication equipment.
Background technology
At LTE(Long Term Evolution, Long Term Evolution) in system, whole bandwidth is divided into several RBG(Resource Block Group, Resource Block group), a RBG comprises one group of RB(Resource Block, Resource Block).
Beam shaping (Beam Forming, BF) technology is a kind of linear preconditioning technique based on Small Distance aerial array, and the characteristic of channel according to user carries out beam shaping, has to expand to cover, and improves power system capacity, reduces the ability of interference.Wherein, SU-BF(Single User BeamForming, single user beam shaping) refer to that unique user at a time can carry out multiple data stream transmitting, obtain excipient gain and spatial multiplex gains simultaneously.MU-BF(Multi-UserBeam forming, multi-user beam excipient) technology serves multiple user in identical time domain, frequency domain and code domain, to reach the technology increasing power system capacity, and in MU-BF technology, base station needs the descending channel information obtaining multiple user, eliminates in advance to carry out inter-user interference.The key technology that MU-BF relates generally to comprises the calculating of MU-BF pairing scheduling and MU-BF weights.Between pairing user, weights correlation is lower, more effectively can suppress the interference between MU-BF pairing user, obtain higher spatial multiplex gains.
In existing BF technical scheme, base station at each RBG(Resource BlockGroup, Resource Block group) cannot transmitting power be adjusted and full power must be used to launch, larger interference can be caused to adjacent area.
Summary of the invention
Embodiments of the invention provide a kind of Poewr control method and communication equipment, can cannot adjust transmitting power in order to solve existing base station on each RBG and full transmitting power must be used to cause the problem of larger interference to adjacent area.
A first aspect of the present invention, provides a kind of Poewr control method, comprising:
Set of cells is determined in base station, and described set of cells comprises the community that next combined dispatching power control JSPC optimization cycle domestic demand is optimized;
Described base station obtains the efficiency of transmission total value under each power grade of each RBG, and wherein, an efficiency of transmission total value is all cell transmission efficiency sums under a power grade of a RBG;
The power optimization value that described each RBG is corresponding is determined in described base station, the power grade corresponding to maximum in the efficiency of transmission total value under the power grade that power optimization value is a RBG.
A second aspect of the present invention, provides a kind of communication equipment, comprising:
Processor, for determining set of cells, described set of cells comprises the community that next combined dispatching power control JSPC optimization cycle domestic demand is optimized;
Described processor, also for obtain each RBG each power grade under efficiency of transmission total value, wherein, an efficiency of transmission total value is all cell transmission efficiency sums under a power grade of a RBG;
Described processor, also for determining the power optimization value that described each RBG is corresponding, the power grade corresponding to maximum in the efficiency of transmission total value under the power grade that power optimization value is a RBG.
Application technique scheme, the determination power optimization value for different RBG can be determined in base station, is conducive to reducing transmitting power after adjusting according to power optimization value on different RBG to the interference of adjacent area.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of Poewr control method schematic flow sheet that Fig. 1 provides for the embodiment of the present invention;
A kind of Poewr control method schematic flow sheet that Fig. 2 provides for the embodiment of the present invention;
A kind of Poewr control method schematic flow sheet that Fig. 3 provides for the embodiment of the present invention;
A kind of Poewr control method schematic flow sheet that Fig. 4 provides for the embodiment of the present invention;
A kind of architecture of base station schematic diagram that Fig. 5 provides for the embodiment of the present invention;
A kind of architecture of base station schematic diagram that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
One embodiment of the present of invention provide a kind of Poewr control method, as shown in Figure 1, comprising:
101, set of cells is determined in base station, and this set of cells comprises in next JSPC optimization cycle the community needing to optimize.
102, above-mentioned base station obtains the efficiency of transmission total value under each power grade of each RBG, and wherein, an efficiency of transmission total value is all cell transmission efficiency value sums under a power grade of a RBG.
103, the power optimization value that each RBG is corresponding is determined in above-mentioned base station, the power grade corresponding to maximum in the efficiency of transmission total value under the power grade that power optimization value is a RBG.
Application the present embodiment, the determination power optimization value for different RBG can be determined in base station, is conducive to reducing transmitting power after adjusting according to power optimization value on different RBG to the interference of adjacent area.
An alternative embodiment of the invention provides a kind of Poewr control method, as shown in Figure 2, comprises the steps.
201, base station determines whether to arrive next JSPC(Joint Scheduler and PowerControl, and combined dispatching power controls) optimization cycle.
If so, then base station performs step 202; If not, then base station continues to wait for, until next JSPC optimization cycle arrives perform step 202 again.
Alternatively, above-mentioned JSPC optimization cycle refers to that above-mentioned base station obtains the cycle of the power optimization value of community on different RBG that need optimize.Due in a JSPC optimization cycle, the transmitting power of above-mentioned base station on each RBG is constant, also namely: the transmitting power of each RBG just likely changes when next JSPC optimization cycle, therefore, above-mentioned JSPC optimization cycle also can be considered that the cycle of power control is carried out to RBG in above-mentioned base station.Understandable, for the community never performing the scheme that the embodiment of the present invention provides, the transmitting power of each RBG may be full power.
Alternatively, above-mentioned optimization cycle is 1 millisecond (ms).Due to a TTI(TransmissionTime Interval, Transmission Time Interval) be 1ms, so base station can, when each TTI starts, be determined to arrive next JSPC optimization cycle.
Alternatively, arrange timer in above-mentioned base station, the duration of this timer is a JSPC optimization cycle.
202, set of cells is determined in above-mentioned base station, and this set of cells comprises in next JSPC optimization cycle the community needing to optimize.
In this step, suppose that the number of cells in this set of cells is N, this N is positive integer.Understandable, when this N is 0, also namely the community not needing optimization in next JSPC optimization cycle is determined in base station, then above-mentioned base station can return step 201, and when next JSPC optimization cycle arrives again, performs step 202.
Alternatively, this set of cells is the set of cells that above-mentioned base station configures, or above-mentioned base station according to the actual requirements or the set of cells that forms of the community of need optimization selected of other Rule of judgment.Such as, the set of cells above-mentioned base station configured can be called by above-mentioned base station when different time points or different condition meet.And for example, above-mentioned base station selects a community (such as this community is community not optimised in current JSPC optimization cycle) in all cells, set mark with this community be made up of the community of particular kind of relationship is as this set of cells, here the mark of particular kind of relationship possibility Shi Yougai community starts, order from small to large or is from big to small selected, and selects the community of predetermined number (such as N number of) to put into set of cells altogether.
203, a community is selected until travel through all communities in this set of cells in above-mentioned base station from this set of cells; And, above-mentioned base station is when often selecting a community, obtain the efficiency of transmission value of subscriber equipment under each power grade of i-th RBG of this community, and therefrom select maximum efficiency of transmission value as the cell transmission efficiency value of this community under each power grade of this i-th RBG.
Such as, base station selected community 1, suppose in this community 1, have 4 subscriber equipmenies: UE1, UE2, UE3 and UE4, under a jth power grade of i-th RBG, the efficiency of transmission value of UE1, UE2, UE3 and UE4 is respectively A1, A2, A3 and A4, wherein A4>A3>A2>A1, then above-mentioned base station selected A4 is as the cell transmission efficiency value of this community 1 under this i-th RBG.Alternatively, base station only adopts certain customers' equipment determination cell transmission efficiency value of this community, then the output that above-mentioned base station obtains in this step 203 may be different.Such as, UE1 and UE2 is only considered in above-mentioned base station, and when not considering UE3 and UE4, the cell transmission efficiency value determined is A2.
Alternatively, efficiency of transmission value is equitable proportion (Proportional Fair, the PF) weights of subscriber equipment, wherein, PF weights are the business of R_ins and R_avg, and R_ins is the momentary rate of subscriber equipment, and R_avg is the Mean Speed of subscriber equipment in preset period of time.Or efficiency of transmission value is the momentary rate R_ins of subscriber equipment.
Namely alternatively, if this set of cells comprises more than one community, also N is greater than 1, then above-mentioned base station each select community time, ensure that this community is all different from the community selected, thus make above-mentioned base station complete traversal to communities all in this set of cells fast.Such as, above-mentioned base station according to the selective sequential community from small to large or from big to small of the cell ID in set of cells, and can obtain the cell transmission efficiency value of each community under this i-th RBG.
Understandable, often perform a deuterzooid step, above-mentioned base station can obtain N*M the cell transmission efficiency value corresponding to same RBG, and above-mentioned N*M cell transmission efficiency value can be divided into M class according to the power grade of correspondence, and wherein, M is the quantity of power grade.
Alternatively, above-mentioned power grade is in units of dB, and such as, when M is 3, power grade is respectively 2dB, 0dB and-3dB.Above-mentioned power grade can be considered power lifting value possible on a RBG, and the reference data of " lifting " can be the performance number of the cell-level reference signal (Cell-specific Reference Signal, CRS) of RBG configuration for base station here.Such as, power grade is 0dB, represents that power lifting value is 0; Power grade is 2dB, represents that power grade is-3dB relative to reference data rising 2dB, represents relative to reference data reduction 3dB.
204, above-mentioned base station obtains the efficiency of transmission total value under each power grade of this i-th RBG, and wherein, this efficiency of transmission total value is all cell transmission efficiency value sums under a power grade of this i-th RBG.
Such as, under this i-th RBG, when power grade is 2dB, this efficiency of transmission total value be N number of cell transmission efficiency value and.
205, the maximum during efficiency of transmission total value is determined under each power grade of this i-th RBG in above-mentioned base station, and power grade corresponding for this maximum is defined as power optimization value corresponding to this i-th RBG.
Alternatively, if above-mentioned base station relates to more than 1 RBG in current optimizing process, then the circulation of above-mentioned base station performs step 203 to step 205, until complete the traversal of all RBG.Such as, suppose that the quantity of RBG is P, then above-mentioned base station completes P step 203 altogether to step 205, and determines the power optimization value that in P RBG, each RBG is corresponding.In above process, above-mentioned base station gets P*M efficiency of transmission total value altogether by step 204.
Alternatively, above-mentioned base station changes to step 205 step 203 that above-mentioned circulation performs into parallel processing, also be, the process obtaining power optimization value corresponding to different RBG is carried out in above-mentioned base station simultaneously, such as, step 203 to the process of step 205 for different RBG is run in different threads simultaneously, thus improves system effectiveness.
Understandable, after above-mentioned base station gets power optimization value corresponding to all RBG, perform step 206.
206, one group of subscriber equipment of the pairing on this i-th RBG is determined in above-mentioned base station: subscriber equipment U and subscriber equipment W, the power optimization value corresponding according to this i-th RBG adjusts the transmitting power of this i-th RBG, and by the transmit power allocations after the adjustment of this i-th RBG to subscriber equipment U and subscriber equipment W.
The circulation of above-mentioned base station performs this step 206, until travel through all RBG.
Alternatively, when one group of subscriber equipment of the pairing on this i-th RBG is determined in above-mentioned base station, the pairing criterion of employing includes but not limited to: PF criterion, orthogonality criterion, maximum capacity criterion, random pair criterion, and the combination of above-mentioned criterion.
Above-mentioned power optimization value can be considered power lifting value possible on a RBG, and the reference data of " lifting " can be the former transmitting power of this RBG here.Such as, power optimization value is 0dB, represents that power lifting value is 0; Power optimization value is 2dB, represents the former transmitting power rising 2dB relative to this RBG; Power optimization value is-3dB, represents the former transmitting power reduction 3dB relative to this RBG.
Alternatively, transmit power allocations after the adjustment of this i-th RBG comprises to subscriber equipment U and subscriber equipment W by above-mentioned base station: a part of power of the transmitting power after above-mentioned base station adopts the adjustment of this i-th RBG transmits to subscriber equipment U on this i-th RBG, and adopts another part power of the transmitting power after the adjustment of this i-th RBG to transmit to subscriber equipment W on this i-th RBG.Exemplary, above-mentioned a part of power and another part power can be a half-power, and also namely the transmitting power after the adjustment of this i-th RBG is averagely allocated to subscriber equipment U and subscriber equipment W by above-mentioned base station.
Alternatively, step 201 in the present embodiment realizes monitoring by the timer in above-mentioned base station, step 202 is performed to 205 by the processor in above-mentioned base station, step 206 is performed by the scheduler in above-mentioned base station, wherein, power optimization value corresponding for each RBG is supplied to above-mentioned scheduler by above-mentioned processor.
Understandable, the scene that the present embodiment is suitable for comprises SU-BF technology.
Application the present embodiment, the determination power optimization value for different RBG can be determined in base station, is conducive to reducing transmitting power after adjusting according to power optimization value on different RBG to the interference of adjacent area.
An alternative embodiment of the invention provides a kind of Poewr control method, as shown in Figure 3, comprises the steps.
301-302, identical with above-mentioned steps 201-202 respectively, repeat no more herein.
303, base station obtains the efficiency of transmission value of subscriber equipment under each power grade of i-th RBG in each community, and therefrom select maximum efficiency of transmission value (such as PF weights), using the ground floor subscriber equipment U of subscriber equipment corresponding for this maximum efficiency of transmission value as this community under this i-th RBG and under the power grade that these maximum efficiency of transmission weights are corresponding.
Such as, above-mentioned base station selected community 1, suppose in this community 1, have 4 subscriber equipmenies: UE1, UE2, UE3 and UE4, under a jth power grade of i-th RBG, the efficiency of transmission value of UE1, UE2, UE3 and UE4 is respectively A1, A2, A3 and A4, wherein A4>A3>A2>A1, then above-mentioned base station selected UE4 is as the ground floor subscriber equipment U of this community 1 under a jth power grade of this i-th RBG.Alternatively, base station only adopts certain customers' equipment ground floor subscriber equipment of this community, then the output that above-mentioned base station obtains in this step 303 may be different.Such as, UE1 and UE2 is only considered in above-mentioned base station, and when not considering UE3 and UE4, determines that UE2 is as the ground floor subscriber equipment (be assumed to be U) of this community 1 under a jth power grade of this i-th RBG.
Alternatively, efficiency of transmission value is the PF weights of subscriber equipment, and wherein, PF weights are the business of R_ins and R_avg, and R_ins is the momentary rate of subscriber equipment, and R_avg is the Mean Speed of subscriber equipment in preset period of time.Or efficiency of transmission value is the momentary rate R_ins of subscriber equipment.
Namely alternatively, if this set of cells comprises more than one community, also N is greater than 1, then above-mentioned base station each select community time, ensure that this community is all different from the community selected, thus make above-mentioned base station complete traversal to communities all in this set of cells fast.Such as, above-mentioned base station according to the selective sequential community from small to large or from big to small of the cell ID in set of cells, and can obtain the ground floor subscriber equipment of each community under each power grade of this i-th RBG.
Understandable, often perform a deuterzooid step, above-mentioned base station can obtain N*M the ground floor subscriber equipment corresponding to same RBG, and above-mentioned N*M ground floor subscriber equipment can be divided into M class according to the power grade of correspondence, and wherein, M is the quantity of power grade.
Alternatively, above-mentioned power grade is in units of dB, and such as, when M is 3, power grade is respectively 2dB, 0dB and-3dB.Above-mentioned power grade can be considered power lifting value possible on a RBG, and the reference data of " lifting " can be the performance number of the cell-level reference signal (Cell-specific Reference Signal, CRS) of this RBG configuration for base station here.Such as, power grade is 0dB, represents that power lifting value is 0; Power grade is 2dB, represents that power grade is-3dB relative to reference data rising 2dB, represents relative to reference data reduction 3dB.
304, above-mentioned base station obtains the quadrature analysis value of each community under each power grade of this i-th RBG, wherein, this quadrature analysis value is the quadrature value OrthVal (U, V) between any one the remaining users equipment V under ground floor subscriber equipment U and this community same power grade at this i-th RBG of a community under a power grade of this i-th RBG.The subscriber equipment V making this quadrature analysis value be less than the first pre-determined threshold is put into the first set corresponding to ground floor subscriber equipment U by above-mentioned base station.
Above-mentioned base station can calculate according to following formula:
Wherein, w
uj () is the BF(Beam Forming of ground floor subscriber equipment U, beam shaping) weights, H represents conjugate transpose, w
vj () is the BF weights of remaining users equipment V, j is the variable of the RB quantity characterized in this i-th RBG, and RbNumInRbg is the RB total quantity that this i-th RBG comprises.
Such as, if in step 303, UE4 is the ground floor subscriber equipment of this community 1 under a jth power grade of this i-th RBG, then above-mentioned base station is in this step 304, obtain the quadrature analysis value between at least one subscriber equipment (such as UE1) in this UE4 and other three UE, if this quadrature analysis value is less than the first pre-determined threshold, then this subscriber equipment (such as UE1) is put into the first set.
Alternatively, above-mentioned base station is when selecting remaining users equipment V, and prioritizing selection is not chosen as in the subscriber equipment of ground floor subscriber equipment U, and the subscriber equipment corresponding with larger efficiency of transmission value carries out the calculating of above-mentioned formula.Such as, the UE3 in step 303.
Alternatively, make quadrature analysis value be less than the first pre-determined threshold if there is multiple subscriber equipment, then these subscriber equipmenies can all be put into the first set by above-mentioned base station.Or make quadrature analysis value be less than the first pre-determined threshold if there is 1 subscriber equipment, and this subscriber equipment is all put into the first set by above-mentioned base station, then above-mentioned base station can no longer continue to select other subscriber equipmenies to carry out the calculating of above-mentioned formula.
Understandable, each first set corresponds to a power grade of a community and a RBG, after execution one deuterzooid step 304, above-mentioned base station can obtain N*M the first set under a RBG, and the first set that each ground floor subscriber equipment U is corresponding comprises one or more subscriber equipment V.
In a kind of modification implementation of the present embodiment, before this step 304, the 3rd set corresponding to each community first can be set up in above-mentioned base station, 3rd set comprises: in the subscriber equipment of a cell serves, CQI(Channel Quality Indicator, channel quality indicates) be greater than the subscriber equipment of the 3rd pre-determined threshold.Ground floor subscriber equipment U and subscriber equipment V, when performing step 304, is selected in above-mentioned base station from the 3rd set, thus is got rid of outside the computational process of this step 304 by the subscriber equipment not entering the 3rd set, reduces computational complexity.
305, above-mentioned base station obtains subscriber equipment in the first set corresponding to each ground floor subscriber equipment U and the efficiency of transmission lifting values of this ground floor subscriber equipment U when matching, and the subscriber equipment making this efficiency of transmission lifting values be greater than the second pre-determined threshold is defined as the pairing subscriber equipment (being assumed to be W) of this ground floor subscriber equipment U.
Wherein, efficiency of transmission lifting values DeltaPf when ground floor subscriber equipment U and subscriber equipment V matches is: PostPfU+PostPfV-PrePfU.PostPfU is that ground floor subscriber equipment U and subscriber equipment V are when matching, the efficiency of transmission weights of ground floor subscriber equipment U, PostPfV is that ground floor subscriber equipment U and subscriber equipment V are when matching, the efficiency of transmission weights of subscriber equipment V, PrePfU is before ground floor subscriber equipment U and subscriber equipment V match, the efficiency of transmission weights of ground floor subscriber equipment U.
Alternatively, this efficiency of transmission lifting values is made to be greater than the second pre-determined threshold if there is multiple subscriber equipment, then the above-mentioned base station pairing subscriber equipment W that will the maximum subscriber equipment of this efficiency of transmission lifting values be made to be defined as this ground floor subscriber equipment U.
In another embodiment variant of the present embodiment, efficiency of transmission lifting values in this step 305 can be replaced spectrum efficiency lifting values, namely also this step 305 replaces with step 305 ': above-mentioned base station obtains spectrum efficiency lifting values when subscriber equipment in the first set corresponding to each ground floor subscriber equipment U and this ground floor subscriber equipment U match, and the subscriber equipment making this spectrum efficiency lifting values be greater than the second pre-determined threshold is defined as the pairing subscriber equipment (being assumed to be W) of this ground floor subscriber equipment U.Wherein, spectrum efficiency lifting values DeltaSeff when ground floor subscriber equipment U and subscriber equipment V matches is: PostSeffU+PostSeffV-PreSeffU.PostPfU is that ground floor subscriber equipment U and subscriber equipment V are when matching, the spectrum efficiency value of ground floor subscriber equipment U, PostSeffV is that ground floor subscriber equipment U and subscriber equipment V are when matching, the spectrum efficiency value of subscriber equipment V, PreSeffU is before ground floor subscriber equipment U and subscriber equipment V match, the spectrum efficiency value of ground floor subscriber equipment U.Alternatively, this spectrum efficiency lifting values is made to be greater than the second pre-determined threshold if there is multiple subscriber equipment, then the above-mentioned base station pairing subscriber equipment W that will the maximum subscriber equipment of this spectrum efficiency lifting values be made to be defined as this ground floor subscriber equipment U.
Understandable, a subscriber equipment W is selected in above-mentioned base station in each first set, in execution one deuterzooid step 305(or step 305 ') after, above-mentioned base station can obtain N*M subscriber equipment W under a RBG, make each community under each power grade of i-th RBG, have an a ground floor subscriber equipment U and subscriber equipment W to match.
306, the cell transmission efficiency value of each community under each power grade of this i-th RBG is determined in above-mentioned base station, wherein, this cell transmission efficiency value is the community ground floor subscriber equipment U that carries out matching under a power grade of a RBG and the efficiency of transmission value sum of pairing subscriber equipment W when matching.
In the present embodiment, if the efficiency of transmission value that step 303 adopts is PF weights, the efficiency of transmission value in this step 306 is PF weights.But it should be noted that, the efficiency of transmission value that step 303 adopts is PF weights or momentary rate, and the efficiency of transmission value one do not limited in this step 306 is decided to be PF weights or momentary rate.
307-308, identical with above-mentioned steps 204 to step 205 respectively, repeat no more herein.
Alternatively, above-mentioned base station changes to step 308 step 303 that above-mentioned circulation performs into parallel processing, also be, the process obtaining power optimization value corresponding to different RBG is carried out in above-mentioned base station simultaneously, such as, step 303 to the process of step 308 for different RBG is run in different threads simultaneously, thus improves system effectiveness.
Understandable, after above-mentioned base station gets power optimization value corresponding to all RBG, perform step 309.
309, identical with above-mentioned steps 206, repeat no more herein.
It should be noted that, in this step 309, above-mentioned base station can adopt in abovementioned steps for the subscriber equipment of the selected one group of subscriber equipment of each RBG as pairing, but be not limited to this, also namely: above-mentioned base station can be considered as virtual pairing by abovementioned steps to the pairing process that subscriber equipment does, by in this step 309, actual pairing is considered as to the pairing process that subscriber equipment does, and the result of actual pairing not necessarily with the coming to the same thing of virtual pairing.
Alternatively, in step 303 to step 306, when relating to the computing of each community, above-mentioned base station can select community to perform computing, until travel through all communities in this set of cells successively from this set of cells.Such as, in step 303, above-mentioned base station obtains a kind of implementation of the efficiency of transmission value of subscriber equipment under each power grade of i-th RBG in each community and is: a community is selected until travel through all communities in this set of cells in above-mentioned base station from this set of cells; Further, above-mentioned base station, when often selecting a community, obtains the efficiency of transmission value of subscriber equipment under each power grade of i-th RBG in this community.
Alternatively, if existed more than 1 RBG, above-mentioned steps 303 to step 306 can each independent step cycle perform, or the recirculation execution as a whole of several step, does not limit herein.
It should be noted that, when any one parameter involved by the present embodiment has multiple value, can to circulate the traversal performed to realize this parameter with the calculating process of this parameter correlation, and the calculating process that this circulation performs can carry out nested with the traversal of other parameters, to shorten calculating process, increase system efficiency.
Alternatively, step 301 in the present embodiment realizes monitoring by the timer in above-mentioned base station, step 302 is performed to 308 by the processor in above-mentioned base station, step 309 is performed by the scheduler in above-mentioned base station, wherein, power optimization value corresponding for each RBG is supplied to above-mentioned scheduler by above-mentioned processor.
Understandable, the scene that the present embodiment is suitable for comprises MU-BF technology.
Application the present embodiment, the determination power optimization value for different RBG can be determined in base station, is conducive to reducing transmitting power after adjusting according to power optimization value on different RBG to the interference of adjacent area.
An alternative embodiment of the invention provides a kind of Poewr control method, as shown in Figure 4, comprises the steps.
401, set of cells is determined in base station, and set of cells comprises the community that next combined dispatching power control JSPC optimization cycle domestic demand is optimized.
The citing of this step can see above-mentioned steps 202 or step 302.
402, above-mentioned base station obtains the efficiency of transmission total value under each power grade of each RBG, and wherein, an efficiency of transmission total value is all cell transmission efficiency sums under a power grade of a RBG.
The citing of this step can see above-mentioned steps 204 or step 307.
403, the power optimization value that each RBG is corresponding is determined in above-mentioned base station, the power grade corresponding to maximum in the efficiency of transmission total value under the power grade that power optimization value is a RBG.
The citing of this step can see above-mentioned steps 205 or step 308.
Optionally, before performing the efficiency of transmission total value under each power grade that in step 402, above-mentioned base station obtains each RBG, perform step 404: a community is chosen until travel through all communities in set of cells in base station from set of cells; And, base station is when selecting each community, obtain the efficiency of transmission value of subscriber equipment under each power grade of each RBG of each community, and therefrom select maximum efficiency of transmission value as the cell transmission efficiency value of each community under each power grade of each RBG.The citing of this step can see above-mentioned steps 203.
Optionally, before performing the efficiency of transmission total value under each power grade that in step 402, above-mentioned base station obtains each RBG, perform step 405.The citing of this step can see above-mentioned steps 303 ~ step 306.
Step 405 a: community is selected until travel through all communities in this set of cells in above-mentioned base station from set of cells; Further, base station, when often selecting a community, travels through all RBG, and when often selecting a RBG, i-th RBG for described selection performs following steps:
Above-mentioned base station obtains the efficiency of transmission value of subscriber equipment under each power grade of i-th RBG in this community, and therefrom select maximum efficiency of transmission value, using the ground floor subscriber equipment U of subscriber equipment corresponding for this maximum efficiency of transmission value as community under i-th RBG and under the power grade that maximum efficiency of transmission value is corresponding;
Above-mentioned base station obtains the quadrature analysis value of this community under each power grade of i-th RBG, wherein, quadrature analysis value is the quadrature value OrthVal (U, V) between any one the remaining users equipment V under ground floor subscriber equipment U and the community same power grade at i-th RBG of a community under a power grade of i-th RBG;
The subscriber equipment V making quadrature analysis value be less than the first pre-determined threshold is put into the first set corresponding to ground floor subscriber equipment U by above-mentioned base station;
Above-mentioned base station obtains efficiency of transmission lifting values when matching of subscriber equipment in the first set corresponding to each ground floor subscriber equipment U and ground floor subscriber equipment U or spectrum efficiency lifting values, and the subscriber equipment making efficiency of transmission lifting values or spectrum efficiency lifting values be greater than the second pre-determined threshold is defined as the pairing subscriber equipment W of ground floor subscriber equipment U;
The cell transmission efficiency value of this community under each power grade of i-th RBG is determined in above-mentioned base station, wherein, cell transmission efficiency value is the community ground floor subscriber equipment U that carries out matching under a power grade of a RBG and the efficiency of transmission value sum of pairing subscriber equipment W when matching.
Optionally, in step 405, efficiency of transmission lifting capacity DeltaPf when ground floor subscriber equipment U and subscriber equipment V matches is:
PostPfU+PostPfV-PrePfU
Wherein, PostPfU is that ground floor subscriber equipment U and subscriber equipment V are when matching, the efficiency of transmission value of ground floor subscriber equipment U, PostPfV is that ground floor subscriber equipment U and subscriber equipment V are when matching, the efficiency of transmission weights of subscriber equipment V, PrePfU is before ground floor subscriber equipment U and subscriber equipment V match, the efficiency of transmission value of ground floor subscriber equipment U.
Optionally, in step 405, spectrum efficiency lifting values DeltaSeff when ground floor subscriber equipment U and subscriber equipment V matches is:
PostSeffU+PostSeffV-PreSeffU
Wherein, PostSeffU is that ground floor subscriber equipment U and subscriber equipment V are when matching, the spectrum efficiency value of ground floor subscriber equipment U, PostSeffV is that ground floor subscriber equipment U and subscriber equipment V are when matching, the spectrum efficiency value of subscriber equipment V, PreSeffU is before ground floor subscriber equipment U and subscriber equipment V match, the spectrum efficiency value of ground floor subscriber equipment U.
Optionally, before above-mentioned base station performs step 401, perform step 406: above-mentioned base station is determined to arrive next JSPC optimization cycle.The citing of this step can see above-mentioned steps 201 or step 301.
Further, after above-mentioned base station performs step 403, above-mentioned base station performs step 407: one group of subscriber equipment of the pairing on each RBG is determined in base station, the power optimization value corresponding according to each RBG adjusts the transmitting power of each RBG, and gives one group of subscriber equipment of pairing on each RBG by the transmit power allocations after the adjustment of each RBG.The citing of this step can see above-mentioned steps 206 or step 309.
Optionally, when above-mentioned base station performs above-mentioned steps, efficiency of transmission value is the equitable proportion PF weights of subscriber equipment, wherein, PF weights are the business of R_ins and R_avg, and R_ins is the momentary rate of subscriber equipment, and R_avg is the Mean Speed of subscriber equipment in preset period of time; Or efficiency of transmission value is the momentary rate R_ins of subscriber equipment.
Application the present embodiment, the determination power optimization value for different RBG can be determined in base station, is conducive to reducing transmitting power after adjusting according to power optimization value on different RBG to the interference of adjacent area.
It should be noted that, the part steps in above-described embodiment for describe easy and quote other steps time, the citing of other steps be cited, option can be adopted and realize the descriptions such as details.
Another embodiment of the present invention provides a kind of communication equipment, may be used for performing the step that in the method that provides of above-described embodiment, base station performs, as follows for this communication equipment for base station 01 is described.As shown in Figure 5, base station 01 comprises:
First determining unit 011, for determining set of cells, set of cells comprises the community that next combined dispatching power control JSPC optimization cycle domestic demand is optimized.
Acquiring unit 012, for obtain each RBG each power grade under efficiency of transmission total value, wherein, an efficiency of transmission total value is all cell transmission efficiency sums under a power grade of a RBG;
Second determining unit 013, for determining the power optimization value that each RBG is corresponding, the power grade corresponding to maximum in the efficiency of transmission total value under the power grade that power optimization value is a RBG.
Optionally, before the efficiency of transmission total value under each power grade that base station obtains each RBG, also comprise:
Traversal Unit 014, for choosing a community from set of cells until travel through all communities in set of cells; And, base station is when selecting each community, obtain the efficiency of transmission value of subscriber equipment under each power grade of each RBG of each community, and therefrom select maximum efficiency of transmission value as the cell transmission efficiency value of each community under each power grade of each RBG.
Optionally, before the efficiency of transmission total value under each power grade that base station obtains each RBG, Traversal Unit 014 also for:
A community is selected until travel through all communities in set of cells from set of cells; Further, base station, when often selecting a community, travels through all RBG, and when often selecting a RBG, for i-th RBG selected, Traversal Unit 014 specifically can comprise:
First determines subelement 0141, for obtaining the efficiency of transmission value of subscriber equipment under each power grade of i-th RBG in community, and therefrom select maximum efficiency of transmission value, using the ground floor subscriber equipment U of subscriber equipment corresponding for this maximum efficiency of transmission value as community under i-th RBG and under the power grade that maximum efficiency of transmission value is corresponding;
Analyze subelement 0142, for obtaining the quadrature analysis value of each community under each power grade of i-th RBG, wherein, quadrature analysis value is the quadrature value OrthVal (U, V) between any one the remaining users equipment V under ground floor subscriber equipment U and the community same power grade at i-th RBG of a community under a power grade of i-th RBG;
Second determines subelement 0143, for the subscriber equipment V making quadrature analysis value be less than the first pre-determined threshold being put into the first set corresponding to ground floor subscriber equipment U;
Obtain efficiency of transmission lifting values when matching of subscriber equipment in the first set corresponding to each ground floor subscriber equipment U and ground floor subscriber equipment U or spectrum efficiency lifting values, and the subscriber equipment making efficiency of transmission lifting values or spectrum efficiency lifting values be greater than the second pre-determined threshold is defined as the pairing subscriber equipment W of ground floor subscriber equipment U;
3rd determines subelement 0144, for determining the cell transmission efficiency value of each community under each power grade of i-th RBG, wherein, cell transmission efficiency value is the community ground floor subscriber equipment U that carries out matching under a power grade of a RBG and the efficiency of transmission value sum of pairing subscriber equipment W when matching.
Optionally, efficiency of transmission lifting capacity DeltaPf when ground floor subscriber equipment U and subscriber equipment V matches is:
PostPfU+PostPfV-PrePfU
Wherein, PostPfU is that ground floor subscriber equipment U and subscriber equipment V are when matching, the efficiency of transmission value of ground floor subscriber equipment U, PostPfV is that ground floor subscriber equipment U and subscriber equipment V are when matching, the efficiency of transmission weights of subscriber equipment V, PrePfU is before ground floor subscriber equipment U and subscriber equipment V match, the efficiency of transmission value of ground floor subscriber equipment U.
Optionally, spectrum efficiency lifting values DeltaSeff when ground floor subscriber equipment U and subscriber equipment V matches is:
PostSeffU+PostSeffV-PreSeffU
Wherein, PostSeffU is that ground floor subscriber equipment U and subscriber equipment V are when matching, the spectrum efficiency value of ground floor subscriber equipment U, PostSeffV is that ground floor subscriber equipment U and subscriber equipment V are when matching, the spectrum efficiency value of subscriber equipment V, PreSeffU is before ground floor subscriber equipment U and subscriber equipment V match, the spectrum efficiency value of ground floor subscriber equipment U.
Optionally, before set of cells is determined in base station, also comprise:
3rd determining unit 015, arrives next JSPC optimization cycle for determining.
Optionally, also comprise:
Processing unit 016, for determining one group of subscriber equipment of the pairing on each RBG, the power optimization value corresponding according to each RBG adjusts the transmitting power of each RBG, and gives one group of subscriber equipment of pairing on each RBG by the transmit power allocations after the adjustment of each RBG.
Optionally, efficiency of transmission value is the equitable proportion PF weights of subscriber equipment, and wherein, PF weights are the business of R_ins and R_avg, and R_ins is the momentary rate of subscriber equipment, and R_avg is the Mean Speed of subscriber equipment in preset period of time; Or efficiency of transmission value is the momentary rate R_ins of subscriber equipment.
Application the present embodiment, the determination power optimization value for different RBG can be determined in base station, is conducive to reducing transmitting power after adjusting according to power optimization value on different RBG to the interference of adjacent area.
Another embodiment of the present invention provides a kind of communication equipment, for performing the step that in method that above-described embodiment provides, base station performs, below for this communication equipment for base station 02 is described.As shown in Figure 6, this base station 02 comprises: bus 021, processor 022, reflector 023, receiver 024, memory 025 and timer 026.Such as, this memory 025 for storing instruction, processor 022 for performing this instruction, such as processor 022 for: determine set of cells, set of cells comprise next combined dispatching power control JSPC optimization cycle domestic demand optimize community; Obtain the efficiency of transmission total value under each power grade of each RBG, wherein, an efficiency of transmission total value is all cell transmission efficiency sums under a power grade of a RBG; Determine the power optimization value that each RBG is corresponding, the power grade corresponding to maximum in the efficiency of transmission total value under the power grade that power optimization value is a RBG.
In embodiments of the present invention, optionally, processor 022 also for:
Before efficiency of transmission total value under each power grade obtaining each RBG, from set of cells, choose a community until travel through all communities in set of cells; And, base station is when selecting each community, obtain the efficiency of transmission value of subscriber equipment under each power grade of each RBG of each community, and therefrom select maximum efficiency of transmission value as the cell transmission efficiency value of each community under each power grade of each RBG.
In embodiments of the present invention, optionally, processor 022 also for: before the efficiency of transmission total value under each power grade that base station obtains each RBG, from set of cells select a community until traversal set of cells in all communities; Further, base station, when often selecting a community, travels through all RBG, when often selecting a RBG, performs following steps for i-th RBG selected:
Obtain the efficiency of transmission value of subscriber equipment under each power grade of i-th RBG in community, and therefrom select maximum efficiency of transmission value, using the ground floor subscriber equipment U of subscriber equipment corresponding for this maximum efficiency of transmission value as community under i-th RBG and under the power grade that maximum efficiency of transmission value is corresponding;
Obtain the quadrature analysis value of each community under each power grade of i-th RBG, wherein, quadrature analysis value is the quadrature value OrthVal (U, V) between any one the remaining users equipment V under ground floor subscriber equipment U and the community same power grade at i-th RBG of a community under a power grade of i-th RBG;
The subscriber equipment V making quadrature analysis value be less than the first pre-determined threshold is put into the first set that ground floor subscriber equipment U is corresponding;
Obtain efficiency of transmission lifting values when matching of subscriber equipment in the first set corresponding to each ground floor subscriber equipment U and ground floor subscriber equipment U or spectrum efficiency lifting values, and the subscriber equipment making efficiency of transmission lifting values or spectrum efficiency lifting values be greater than the second pre-determined threshold is defined as the pairing subscriber equipment W of ground floor subscriber equipment U;
Determine the cell transmission efficiency value of each community under each power grade of i-th RBG, wherein, cell transmission efficiency value is the community ground floor subscriber equipment U that carries out matching under a power grade of a RBG and the efficiency of transmission value sum of pairing subscriber equipment W when matching.
In embodiments of the present invention, optionally, processor 022 also for: determine efficiency of transmission lifting capacity DeltaPf when ground floor subscriber equipment U and subscriber equipment V matches, wherein:
DeltaPf=PostPfU+PostPfV-PrePfU
Wherein, PostPfU is that ground floor subscriber equipment U and subscriber equipment V are when matching, the efficiency of transmission value of ground floor subscriber equipment U, PostPfV is that ground floor subscriber equipment U and subscriber equipment V are when matching, the efficiency of transmission weights of subscriber equipment V, PrePfU is before ground floor subscriber equipment U and subscriber equipment V match, the efficiency of transmission value of ground floor subscriber equipment U.
In embodiments of the present invention, optionally, processor 022 also for: determine spectrum efficiency lifting values DeltaSeff when ground floor subscriber equipment U and subscriber equipment V matches, wherein:
DeltaSeff=PostSeffU+PostSeffV-PreSeffU
Wherein, PostSeffU is that ground floor subscriber equipment U and subscriber equipment V are when matching, the spectrum efficiency value of ground floor subscriber equipment U, PostSeffV is that ground floor subscriber equipment U and subscriber equipment V are when matching, the spectrum efficiency value of subscriber equipment V, PreSeffU is before ground floor subscriber equipment U and subscriber equipment V match, the spectrum efficiency value of ground floor subscriber equipment U.
In embodiments of the present invention, optionally, this machine war 02 also comprises: timer 026, its duration is a JSPC optimization cycle.Described processor 022 specifically for: when described timer expiry, determine described set of cells.
In embodiments of the present invention, optionally, processor 022 is also for one group of subscriber equipment determining the pairing on each RBG, the power optimization value corresponding according to each RBG adjusts the transmitting power of each RBG, and gives one group of subscriber equipment of pairing on each RBG by the transmit power allocations after the adjustment of each RBG.
In embodiments of the present invention, optionally, efficiency of transmission value is the equitable proportion PF weights of subscriber equipment, and wherein, PF weights are the business of R_ins and R_avg, and R_ins is the momentary rate of subscriber equipment, and R_avg is the Mean Speed of subscriber equipment in preset period of time;
Or efficiency of transmission value is the momentary rate R_ins of subscriber equipment.
Application the present embodiment, the determination power optimization value for different RBG can be determined in base station, is conducive to reducing transmitting power after adjusting according to power optimization value on different RBG to the interference of adjacent area.
In several embodiments that the application provides, should be understood that disclosed base station and method can realize by another way.Such as, apparatus embodiments described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
In addition, in the equipment in each embodiment of the present invention and system, each functional unit can be integrated in a processing unit, also can be that the independent physics of unit comprises, also can two or more unit in a unit integrated.And above-mentioned each unit both can adopt the form of hardware to realize, the form that hardware also can be adopted to add SFU software functional unit had realized.
The all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, and aforesaid program can be stored in a computer read/write memory medium, and this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (Read Only Memory, be called for short ROM), random access memory (Random Access Memory, be called for short RAM), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (16)
1. a Poewr control method, is characterized in that, described method comprises:
Set of cells is determined in base station, and described set of cells comprises the community that next combined dispatching power control JSPC optimization cycle domestic demand is optimized;
Described base station obtains the efficiency of transmission total value under each power grade of each Resource Block group RBG, and wherein, an efficiency of transmission total value is all cell transmission efficiency sums under a power grade of a RBG;
The power optimization value that described each RBG is corresponding is determined in described base station, the power grade corresponding to maximum in the efficiency of transmission total value under the power grade that power optimization value is a RBG.
2. method according to claim 1, is characterized in that, before the efficiency of transmission total value under each power grade that described base station obtains each RBG, also comprises:
A community is chosen until travel through all communities in described set of cells in described base station from described set of cells; And, described base station is when selecting each community, obtain the efficiency of transmission value of subscriber equipment under each power grade of described each RBG of each community described, and therefrom select maximum efficiency of transmission value as the cell transmission efficiency value of each community described under each power grade of described each RBG.
3. method according to claim 1, is characterized in that, before obtaining the efficiency of transmission total value under each power grade of described each RBG, also comprises in described base station:
A community is selected until travel through all communities in described set of cells in described base station from described set of cells; Further, described base station, when often selecting a community, travels through all RBG, and when often selecting a RBG, the RBG for described selection performs following steps, wherein, is represented with i-th RBG by the RBG selected:
Described base station obtains the efficiency of transmission value of subscriber equipment under each power grade of described i-th RBG in described community, and therefrom select maximum efficiency of transmission value, using the ground floor subscriber equipment U of subscriber equipment corresponding for this maximum efficiency of transmission value as described community under described i-th RBG and under the power grade that described maximum efficiency of transmission value is corresponding;
Described base station obtains the quadrature analysis value of described community under each power grade of described i-th RBG, wherein, described quadrature analysis value is the quadrature value OrthVal (U, V) between the ground floor subscriber equipment U of a community under a power grade of described i-th RBG and described community any one remaining users equipment V under the same power grade of described i-th RBG;
The subscriber equipment V making described quadrature analysis value be less than the first pre-determined threshold is put into the first set corresponding to described ground floor subscriber equipment U by described base station;
Described base station obtains efficiency of transmission lifting values when matching of subscriber equipment in the first set corresponding to each ground floor subscriber equipment U and described ground floor subscriber equipment U or spectrum efficiency lifting values, and the subscriber equipment making described efficiency of transmission lifting values or spectrum efficiency lifting values be greater than the second pre-determined threshold is defined as the pairing subscriber equipment W of described ground floor subscriber equipment U;
The cell transmission efficiency value of described community under each power grade of described i-th RBG is determined in described base station, wherein, described cell transmission efficiency value is the efficiency of transmission value sum of a community described ground floor subscriber equipment U that carries out matching under a power grade of a RBG and described pairing subscriber equipment W when matching.
4. method according to claim 3, is characterized in that, efficiency of transmission lifting capacity DeltaPf when described ground floor subscriber equipment U and described subscriber equipment V matches is:
PostPfU+PostPfV-PrePfU
Wherein, PostPfU is that described ground floor subscriber equipment U and described subscriber equipment V are when matching, the efficiency of transmission value of described ground floor subscriber equipment U, PostPfV is that described ground floor subscriber equipment U and described subscriber equipment V are when matching, the efficiency of transmission weights of described subscriber equipment V, PrePfU is before described ground floor subscriber equipment U and described subscriber equipment V match, the efficiency of transmission value of described ground floor subscriber equipment U.
5. method according to claim 3, is characterized in that, spectrum efficiency lifting values DeltaSeff when described ground floor subscriber equipment U and described subscriber equipment V matches is:
PostSeffU+PostSeffV-PreSeffU
Wherein, PostSeffU is that described ground floor subscriber equipment U and described subscriber equipment V are when matching, the spectrum efficiency value of described ground floor subscriber equipment U, PostSeffV is that described ground floor subscriber equipment U and described subscriber equipment V are when matching, the spectrum efficiency value of described subscriber equipment V, PreSeffU is before described ground floor subscriber equipment U and described subscriber equipment V match, the spectrum efficiency value of described ground floor subscriber equipment U.
6. method according to claim 1, is characterized in that, before described set of cells is determined in described base station, also comprises:
Described base station is determined to arrive described next JSPC optimization cycle.
7. the method according to claim 1 to 6 any one, is characterized in that, described method also comprises:
One group of subscriber equipment of the pairing on described each RBG is determined in described base station, the power optimization value corresponding according to described each RBG adjusts the transmitting power of described each RBG, and the transmit power allocations after the adjustment of described each RBG is given one group of subscriber equipment of pairing on described each RBG.
8. the method according to claim 2 to 6 any one, it is characterized in that, the efficiency of transmission value of described subscriber equipment is the equitable proportion PF weights of described subscriber equipment, wherein, described PF weights are the business of R_ins and R_avg, R_ins is the momentary rate of described subscriber equipment, and R_avg is the Mean Speed of described subscriber equipment in preset period of time;
Or the efficiency of transmission value of described subscriber equipment is the momentary rate R_ins of described subscriber equipment.
9. a communication equipment, is characterized in that, comprising:
First determining unit, for determining set of cells, described set of cells comprises the community that next combined dispatching power control JSPC optimization cycle domestic demand is optimized;
Acquiring unit, for obtain each Resource Block group RBG each power grade under efficiency of transmission total value, wherein, an efficiency of transmission total value is all cell transmission efficiency sums under a power grade of a RBG;
Second determining unit, for determining the power optimization value that described each RBG is corresponding, the power grade corresponding to maximum in the efficiency of transmission total value under the power grade that power optimization value is a RBG.
10. communication equipment according to claim 9, is characterized in that, also comprises:
Traversal Unit, for obtain each RBG at described acquiring unit each power grade under efficiency of transmission total value before, from described set of cells, choose a community until travel through all communities in described set of cells; And, when selecting each community, obtain the efficiency of transmission value of subscriber equipment under each power grade of described each RBG of each community described, and therefrom select maximum efficiency of transmission value as the cell transmission efficiency value of each community described under each power grade of described each RBG.
11. communication equipments according to claim 9, is characterized in that, also comprise:
Traversal Unit, before the efficiency of transmission total value under each power grade of the described each RBG of described acquiring unit acquisition, selects a community until travel through all communities in described set of cells from described set of cells; Further, described communication equipment, when often selecting a community, travels through all RBG, and when often selecting a RBG, the RBG for described selection performs following steps, wherein, is represented with i-th RBG by the RBG selected:
Obtain the efficiency of transmission value of subscriber equipment under each power grade of described i-th RBG in described community, and therefrom select maximum efficiency of transmission value, using the ground floor subscriber equipment U of subscriber equipment corresponding for this maximum efficiency of transmission value as described community under described i-th RBG and under the power grade that described maximum efficiency of transmission value is corresponding;
Obtain the quadrature analysis value of described community under each power grade of described i-th RBG, wherein, described quadrature analysis value is the quadrature value OrthVal (U, V) between the ground floor subscriber equipment U of a community under a power grade of described i-th RBG and described community any one remaining users equipment V under the same power grade of described i-th RBG;
The subscriber equipment V making described quadrature analysis value be less than the first pre-determined threshold is put into the first set that described ground floor subscriber equipment U is corresponding;
Obtain efficiency of transmission lifting values when matching of subscriber equipment in the first set corresponding to each ground floor subscriber equipment U and described ground floor subscriber equipment U or spectrum efficiency lifting values, and the subscriber equipment making described efficiency of transmission lifting values or spectrum efficiency lifting values be greater than the second pre-determined threshold is defined as the pairing subscriber equipment W of described ground floor subscriber equipment U;
Determine the cell transmission efficiency value of described community under each power grade of described i-th RBG, wherein, described cell transmission efficiency value is the efficiency of transmission value sum of a community described ground floor subscriber equipment U that carries out matching under a power grade of a RBG and described pairing subscriber equipment W when matching.
12. communication equipments according to claim 11, is characterized in that, described Traversal Unit is also for efficiency of transmission lifting capacity DeltaPf when determining that described ground floor subscriber equipment U and described subscriber equipment V matches according to following formula:
DeltaPf＝PostPfU+PostPfV-PrePfU
Wherein, PostPfU is that described ground floor subscriber equipment U and described subscriber equipment V are when matching, the efficiency of transmission value of described ground floor subscriber equipment U, PostPfV is that described ground floor subscriber equipment U and described subscriber equipment V are when matching, the efficiency of transmission weights of described subscriber equipment V, PrePfU is before described ground floor subscriber equipment U and described subscriber equipment V match, the efficiency of transmission value of described ground floor subscriber equipment U.
13. communication equipments according to claim 11, is characterized in that, described Traversal Unit is also for spectrum efficiency lifting values DeltaSeff when determining that described ground floor subscriber equipment U and described subscriber equipment V matches according to following formula:
DeltaSeff＝PostSeffU+PostSeffV-PreSeffU
Wherein, PostSeffU is that described ground floor subscriber equipment U and described subscriber equipment V are when matching, the spectrum efficiency value of described ground floor subscriber equipment U, PostSeffV is that described ground floor subscriber equipment U and described subscriber equipment V are when matching, the spectrum efficiency value of described subscriber equipment V, PreSeffU is before described ground floor subscriber equipment U and described subscriber equipment V match, the spectrum efficiency value of described ground floor subscriber equipment U.
14. communication equipments according to claim 9 to 13 any one, is characterized in that, also comprise:
Processing unit, for determining one group of subscriber equipment of the pairing on described each RBG, the power optimization value corresponding according to described each RBG adjusts the transmitting power of described each RBG, and the transmit power allocations after the adjustment of described each RBG is given one group of subscriber equipment of pairing on described each RBG.
15. according to claim 10 to the communication equipment described in 13 any one, it is characterized in that, the efficiency of transmission value of described subscriber equipment is the equitable proportion PF weights of described subscriber equipment, wherein, described PF weights are the business of R_ins and R_avg, R_ins is the momentary rate of described subscriber equipment, and R_avg is the Mean Speed of described subscriber equipment in preset period of time;
Or the efficiency of transmission value of described subscriber equipment is the momentary rate R_ins of described subscriber equipment.
16. communication equipments according to claim 9 to 13 any one, it is characterized in that, described communication equipment is base station.
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| CN101461268A (en) * | 2006-06-01 | 2009-06-17 | 卢森特技术有限公司 | Coordinating transmission scheduling among multiple base stations |
| CN103096450A (en) * | 2011-11-04 | 2013-05-08 | 上海瀚讯无线技术有限公司 | Power control method under high-speed moving scene |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101461268A (en) * | 2006-06-01 | 2009-06-17 | 卢森特技术有限公司 | Coordinating transmission scheduling among multiple base stations |
| CN103096450A (en) * | 2011-11-04 | 2013-05-08 | 上海瀚讯无线技术有限公司 | Power control method under high-speed moving scene |
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