CN106686701A - Intra-cell and inter-cell joint electricity-saving method and device - Google Patents
Intra-cell and inter-cell joint electricity-saving method and device Download PDFInfo
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- CN106686701A CN106686701A CN201510763372.4A CN201510763372A CN106686701A CN 106686701 A CN106686701 A CN 106686701A CN 201510763372 A CN201510763372 A CN 201510763372A CN 106686701 A CN106686701 A CN 106686701A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0053—Interference mitigation or co-ordination of intercell interference using co-ordinated multipoint transmission/reception
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides an intra-cell and inter-cell joint electricity-saving method and device. The method includes the following steps that: cell state information including load values, energy saving types and activation states of each cell, which is reported by the cells, is received, wherein the cells include energy saving cells and compensation cells; according to pre-obtained corresponding relations between the load values and power consumption values of each cell under the different activation states of various kinds of energy saving types and the received cell state information, power consumption values P1 saved by turning off the energy saving cells and power consumption increase values P2 of compensation cells which are brought about by switching the energy saving cells to the corresponding compensation cells are calculated, and the difference values of the power consumption values P1 and the power consumption increase values P2 are calculated; and an energy saving cell corresponding to the largest difference value is determined according to the difference values, and the determined energy saving cell is turned off. According to the intra-cell and inter-cell joint electricity-saving method and device of the invention, the energy saving potentials of a base station itself and a whole network are utilized, so that the power consumption of the network can be reduced, and the efficiency of the network can be improved.
Description
Technical field
The present invention relates to combine economize on electricity in technical field of access networks, more particularly to a kind of cell between cell
Method and device.
Background technology
In existing network, global system for mobile communications (Global System for Mobile Communication,
GSM), time division synchronous code (Time Division-Synchronous Code Division Multiple
Access, TD-SCDMA) and Long Term Evolution (Long Term Evolution, LTE) and wireless office
Domain net (Wireless Local Area Networks, WLAN) supports the seamless property that region covers jointly,
GSM base station ranges in more than 1km, TDSCDMA Radio Transmission Technologys covering radius about 1km,
LTE Macro covering radius is 500 meters, and LTE Micro are 200 meters, and femto base station Pico and family
The little base station such as base station Femto can cover 10 meters or so.Some region be probably GSM and
TD-SCDMA coexists, it is also possible to be that LTE macro base stations Macro and micro-base station Micro coexist, and such as schemes
1, it is generally that major station is responsible for covering, little base station is responsible for receiving capacity.Currently, when service distribution has
Between and inhomogeneities spatially, therefore in the case where the load of midnight whole network is low, can moderately close one
The little base station of a little concurrent heatings, then saved in the case where not affecting user to perceive come bearer cap with macro base station
Energy.
At present, access network energy consumption has accounted for the overwhelming majority of whole communication network energy consumption, is that GreenNet is most needed
The part of concern.Single net device level efficiency is relatively low, overall energy consumption is larger, for the energy-conservation skill of device level equipment
Art application a lot, such as improves power consumption efficiency of amplitude, improves current conversion efficiency and reduces machine room empty
Adjust power supply etc.；For the conservation measures such as device level energy-saving scheme such as carrier wave shut-off, timeslot shutdown of device level
Comparative maturity.In the face of the data service and the extensive commercialization of TD-LTE of large-scale outbreak, network level
Energy Saving Strategy become the focus of everybody numerous and confused concern, study its mutually coordinated cooperation from the angle of network level
Scheme, by the cooperation between network, the energy benefits for realizing whole net are maximized.
Existing device level power-saving technology and network level power-saving technology are substantially each architectonical, device level energy-conservation
Technology mostly is the Energy Saving Algorithm of equipment manufacturer oneself research and development, and network level Study on energy saving is less.Current
Power-economizing method is essentially limited to some single direction, lacks the energy-conservation comprehensive to whole wireless communication system
Method and system.
The content of the invention
The purpose of the embodiment of the present invention be provide a kind of combine economize on electricity in cell between cell method and
Device, it is intended to solve device level power-saving technology and each architectonical of network level power-saving technology, energy-conservation in prior art
Method is confined to single direction, and lacking carries out the problem of synthesis energy saving to whole wireless communication system.
The embodiment of the present invention provides a kind of method for combining economize on electricity between cell in cell, and methods described includes：
The cell status information including load value, energy saving type and its state of activation that each cell is reported is received,
Wherein described cell includes：Energy-saving cell that network coverage is covered by adjacent cell and except the energy-conservation is little
Compensation cell beyond area；
Load value and work(according to each cell being obtained ahead of time under the different states of activation of each energy saving type
The corresponding relation of consumption value and the cell status information for receiving, for energy-saving cell each described,
Calculate respectively and close the power consumption number P that the energy-saving cell is saved1And the user of the energy-saving cell is switched to phase
The compensation cell answered caused by compensation cell power consumption value added P2, and calculate the P1With the P2's
Difference；
According to the calculated difference in each energy-saving cell, the corresponding energy-saving cell of maximum difference is determined,
And the energy-saving cell by determined by is closed.
Wherein, it is described receive each cell report including the little of load value, energy saving type and its state of activation
Before zone state information, methods described also includes：
Determine each described energy-saving cell and the compensation cell corresponding with the energy-saving cell.
Wherein, it is described receive each cell report including the little of load value, energy saving type and its state of activation
Before zone state information, methods described also includes：
Load value of each cell under the different states of activation of each energy saving type is pre-set with power consumption number
Corresponding relation, wherein the corresponding relation at least includes according to the difference of energy saving type and its state of activation：Swash
Symbol switching off load-power consumption corresponding relation living, activation passage switching off load-power consumption corresponding relation, activation carrier wave
Load-power consumption corresponding relation when switching off load-power consumption corresponding relation and un-activation any power saving function.
Wherein, it is described and will determined by after energy-saving cell closed, methods described also includes：
Continue the P for calculating remaining energy-saving cell1, corresponding compensation cell the P2 and the P1
With the P2Difference, determine that the corresponding energy-saving cell of maximum difference is closed, until the P1With institute
State P2Difference be that the load value of negative or corresponding compensation cell reaches the upper limit.
Wherein, each cell that the basis is obtained ahead of time is negative under the different states of activation of each energy saving type
The corresponding relation of load value and power consumption number and the cell status information for receiving, for section each described
Energy cell, calculates close the power consumption number P that the energy-saving cell is saved respectively1And the user of the energy-saving cell
It is switched to caused by corresponding compensation cell institute and compensates power consumption value added P of cell2, including：
It is corresponding with power consumption number according to load value of each cell under the different states of activation of each energy saving type
Relation, for energy-saving cell each described, search when the energy-saving cell is not turned off with the energy-saving cell
Corresponding current power consumption value P of load valueMi；
Calculate current power consumption value P of the energy-saving cellMiWith the dormancy power consumption value of the energy-saving cell for prestoring
PsleepDifference, obtain the P1；
It is corresponding with power consumption number according to load value of each cell under the different states of activation of each energy saving type
Relation, searches corresponding current power consumption value P of load value for compensating cell corresponding with the energy-saving cellMa；
Calculate current power consumption value P of corresponding compensation cellMaHold with the corresponding compensation cell for judging to draw
Carry the power consumption number P after the user load value of the energy-saving cellMa' difference, obtain the P2。
Wherein, current power consumption value P for calculating corresponding compensation cellMaThe corresponding benefit drawn with judgement
Repay the power consumption number P after the user load value of the little area carrier energy-saving cellMa' difference before, methods described is also
Including：
Obtain the user load value of the energy-saving cell；
Judgement compensates accordingly the load value after the user load value of the little area carrier energy-saving cell；
It is corresponding with power consumption number according to load value of each cell under the different states of activation of each energy saving type
Relation, lookup draws the power consumption number P after the user load value for compensating the little area carrier energy-saving cell accordinglyMa’。
The embodiment of the present invention also provides the device for combining economize on electricity in a kind of cell between cell, described device bag
Include：
Receiver module, for receiving that each cell reports including load value, energy saving type and its state of activation
Cell status information, wherein the cell includes：The energy-saving cell that network coverage is covered by adjacent cell
And the compensation cell in addition to the energy-saving cell；
Processing module, for according to each cell for being obtained ahead of time under the different states of activation of each energy saving type
Load value and power consumption number corresponding relation and the cell status information that receives, for each institute
Energy-saving cell is stated, is calculated close the power consumption number P that the energy-saving cell is saved respectively1And the energy-saving cell
User is switched to caused by corresponding compensation cell institute power consumption value added P for compensating cell2, and calculate described
P1With the P2Difference；
Processing module is determined, for according to the calculated difference in each energy-saving cell, it is determined that maximum poor
It is worth corresponding energy-saving cell, and the energy-saving cell by determined by is closed.
Wherein, described device also includes：
Determining module, for receiving that each cell reports in the receiver module including load value, energy-conservation class
Before the cell status information of type and its state of activation, determine each described energy-saving cell and with the energy-conservation
The corresponding compensation cell of cell.
Wherein, described device also includes：
Setup module, for receiving that each cell reports in the receiver module including load value, energy-conservation class
Before the cell status information of type and its state of activation, difference of each cell in each energy saving type is pre-set
The corresponding relation of load value under state of activation and power consumption number, wherein the corresponding relation according to energy saving type and
The difference of its state of activation at least includes：Activating symbol switching off load-power consumption corresponding relation, activation passage are closed
Disconnected load-power consumption corresponding relation, activation carrier wave switching off load-power consumption corresponding relation and any energy-conservation work(of un-activation
Load-power consumption corresponding relation during energy.
Wherein, described device also includes：
Processing module is calculated, for carrying out closing in determination processing module energy-saving cell by determined by
Afterwards, the P for calculating remaining energy-saving cell is continued1, corresponding compensation cell the P2 and the P1
With the P2Difference, determine that the corresponding energy-saving cell of maximum difference is closed, until the P1With institute
State P2Difference be that the load value of negative or corresponding compensation cell reaches the upper limit.
Wherein, the processing module includes：
First submodule, for the load value according to each cell under the different states of activation of each energy saving type
With the corresponding relation of power consumption number, for energy-saving cell each described, search when the energy-saving cell is not turned off
Current power consumption value P corresponding with the load value of the energy-saving cellMi；
Second submodule, for calculating current power consumption value P of the energy-saving cellMiWith the energy-conservation for prestoring
Dormancy power consumption value P of cellsleepDifference, obtain the P1；
3rd submodule, for the load value according to each cell under the different states of activation of each energy saving type
With the corresponding relation of power consumption number, the load value for compensating cell corresponding with the energy-saving cell is searched corresponding current
Power consumption number PMa；
4th submodule, for calculating current power consumption value P of corresponding compensation cellMaThe phase drawn with judgement
Power consumption number P after the user load value of the little area carrier energy-saving cell of compensation answeredMa' difference, obtain described
P2。
Wherein, the processing module also includes：
Acquisition submodule, for calculating the current power consumption value of corresponding compensation cell in the 4th submodule
PMaWith the power consumption number after the corresponding user load value for compensating the little area carrier energy-saving cell for judging to draw
PMa' difference before, obtain the user load value of the energy-saving cell；
Judging submodule, for after the user load value for judging to compensate accordingly the little area carrier energy-saving cell
Load value；
Submodule is searched, for the load value according to each cell under the different states of activation of each energy saving type
With the corresponding relation of power consumption number, search and draw the user load value for compensating the little area carrier energy-saving cell accordingly
Power consumption number P afterwardsMa’。
Embodiment of the present invention above-mentioned technical proposal at least includes following beneficial effect：
By consider Intra-cell power-saving technology (symbol shut-off, passage shut-off, carrier wave shut-off) and
Cooperation energy-saving technology (base station dormancy) between cell, in the preparatory stage by each cell in each energy saving type
Different states of activation under load value and power consumption number corresponding relation and dormancy power consumption information be sent to decision-making
Point, perform the stage, decision point receive cell send including load value, energy saving type and its state of activation
Cell status information, according to each cell being obtained ahead of time under the different states of activation of each energy saving type
Load value and the corresponding relation of power consumption number, calculate savable power consumption, preferential to close economize on electricity dynamics most
Big cell, makes full use of cell itself and whole network energy-saving potential, and from whole net rank net is reduced
Network power consumption, improves network efficiency.
Description of the drawings
Fig. 1 is the isomerism network structure schematic diagram that different systems base station is constituted；
Fig. 2 is the method flow schematic diagram one for combining economize on electricity in embodiment of the present invention cell between cell；
Fig. 3 is multi-standard Unified network management platform schematic diagram of a scenario；
Fig. 4 is that grand micro-base station overlaps covering scene schematic diagram；
Fig. 5 is embodiment of the present invention load percentage and power consumption corresponding relation schematic diagram；
Fig. 6 is the method flow schematic diagram two for combining economize on electricity in embodiment of the present invention cell between cell；
Fig. 7 is the method overall flow schematic diagram for combining economize on electricity in embodiment of the present invention cell between cell；
Fig. 8 is the schematic device one for combining economize on electricity in embodiment of the present invention cell between cell；
Fig. 9 is the schematic device two for combining economize on electricity in embodiment of the present invention cell between cell.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that obtained, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of method for combining economize on electricity between cell in cell, as shown in Fig. 2
Including：
S101, receive the cellular-like including load value, energy saving type and its state of activation that each cell is reported
State information, wherein cell include：Energy-saving cell that network coverage is covered by adjacent cell and except energy-conservation is little
Compensation cell beyond area；
S102, the load value according to each cell being obtained ahead of time under the different states of activation of each energy saving type
With the corresponding relation of power consumption number and the cell status information for receiving, for each energy-saving cell, respectively
Calculate and close the power consumption number P that the energy-saving cell is saved1And the user of the energy-saving cell is switched to accordingly
Compensation cell institute caused by compensate cell power consumption value added P2, and calculate P1With P2Difference；
S103, according to the calculated difference in each energy-saving cell, determine the corresponding energy-saving cell of maximum difference,
And the energy-saving cell by determined by is closed.
It is excellent using algorithm by above-mentioned steps, there is provided integrated energy-saving scheme between station in a kind of accurately station
The cell of good energy-conserving effect is first closed, from whole net rank network power consumption is reduced, improve network efficiency.
Specifically, it is necessary first to determine energy-saving cell and compensation cell, wherein energy-saving cell refers to close
Disconnected cell, its overlay area can be to be collectively covered by one or several adjacent cells of surrounding；Compensation is little
Qu Ze refers to the cell in network in addition to energy-saving cell.One energy-saving cell can be by one or more
Compensation cell compensation is covered, and a compensation cell can compensate one or more energy-saving cells.
For example：A cells can be by B MPS process, then A cells are energy-saving cell, and B cells are A
The corresponding compensation cell of cell；Or A cells are by the covering, i.e. A cells simultaneously of B cells and C cells
A part by B MPS process, by C MPS process, A cells are located at B cells to another part and C is little
In the coverage that area collectively constitutes, then A cells are energy-saving cell, and B cells and C cells are collectively constituted
The corresponding compensation cell of A cells.
It should be noted that B cells can also be used as the compensation cell of other energy-saving cells, B cells and C
The compensation cell that cell is collectively constituted can also be used as the compensation cell of other energy-saving cells.
It is determined that after energy-saving cell and compensation cell, decision point needs to receive that each cell reports including negative
The cell status information of load value, energy saving type and its state of activation.It should be noted that decision point is according to net
The difference of network framework can be different network elements：Can be grand under the scene that macro base station covers Multiple Small Cell Sites
Base station；Can be in the case where many nets coexist scene connection base station controller (Base Station Controller, BSC),
The third party's service of radio network controller (Radio Network Controller, RNC) and base station eNB
Device.
Decision point is less than appointed threshold value in compensation cell load, and compensation cell can meet energy-saving cell
The service quality (Quality of Service, QoS) of each user's request, on the premise of efficiency does not increase,
The portfolio of energy-saving cell can be moved to compensation cell.
Specially：After cell status information is obtained, need according to each cell being obtained ahead of time in each section
The corresponding relation of load value and power consumption number under the different states of activation of energy type, for each energy-saving cell
Calculate and close the power consumption number P that the energy-saving cell is saved1And the user of the energy-saving cell is switched to accordingly
Compensation cell caused by compensation cell power consumption value added P2。
Then the power consumption number P that energy-saving cell is saved is calculated1With power consumption value added P of compensation cell2Difference
Value.A difference is obtained for each energy-saving cell and the cell that compensates corresponding with energy-saving cell, to obtaining
Multiple differences be compared, determine the corresponding energy-saving cell of maximum difference, i.e.,：Make whole net power reduction most
Big energy-saving cell, is then closed the energy-saving cell of determination.
The scheme that this case is proposed is not limited to certain specific scene, as shown in Figure 3 and Figure 4, is making more
Overlap under covering and can apply with the grand micro-base stations of LTE on formula Unified network management platform.
The embodiment of the present invention is by receiving that each cell sends including load value, energy saving type and its activation shape
The cell status information of state, according to each cell being obtained ahead of time under the different states of activation of each energy saving type
Load value and power consumption number corresponding relation, savable power consumption is calculated, it is preferential to close economize on electricity dynamics
Maximum cell, makes full use of cell itself and whole network energy-saving potential, reduces from whole net rank
Network power consumption, improves network efficiency.
In the above embodiment of the present invention, receive each cell report including load value, energy saving type and
Before the cell status information of its state of activation, also include：
Load value of each cell under the different states of activation of each energy saving type is pre-set with power consumption number
Corresponding relation, wherein corresponding relation at least include according to the difference of energy saving type and its state of activation：Activation symbol
Number switching off load-power consumption corresponding relation, activation passage switching off load-power consumption corresponding relation, activation carrier wave shut-off
Load-power consumption corresponding relation when load-power consumption corresponding relation and un-activation any power saving function.
Specifically, according to the difference of energy saving type, the corresponding relation with different load values Yu power consumption number.
Wherein energy saving type at least includes：Symbol shut-off energy saving type, passage shut-off energy saving type and carrier wave shut-off
Energy saving type.
And in order to prevent power saving function from frequently activating, deactivating, general power-saving technology activation and deactivate
Thresholding is not alignment, is illustrated by taking passage shut-off as an example, if the thresholding of passage shut-off activation is set to 30%,
Passage turn-off function is activated when load reduction is to 30%, base station power is reduced.If it is 70% to deactivate thresholding,
When in active state load increases to 70%, the function can be deactivated, now power consumption increases.Such as
Shown in Fig. 5.
One is supported under activation and deactivation status corresponding different power consumption numbers respectively, and each cell is reported
During cell status information, need to report load value, energy saving type and its state of activation.Therefore each is set little
Load value of the area under the different states of activation of each energy saving type at least includes with the corresponding relation of power consumption number：Swash
Symbol switching off load-power consumption corresponding relation living, activation passage switching off load-power consumption corresponding relation, activation carrier wave
Load-power consumption corresponding relation when switching off load-power consumption corresponding relation and un-activation any power saving function.
For example, the energy saving type of energy-saving cell A is passage shut-off, and when load is 30%, activation passage is closed
Disconnected function, the corresponding power consumption number of load now is 30W, in active state when load increases to 70%
When, channel function can be deactivated, now power consumption number can increase to 70W, one be supported on activation and
Correspond to different power consumption numbers under deactivation status respectively.Therefore the load value and power consumption number of each cell are being set
Corresponding relation when, in view of energy saving type while, it is also desirable in view of state of activation.
In the above embodiment of the present invention, after the energy-saving cell by determined by is closed, also include：
Continue the P for calculating remaining energy-saving cell1, corresponding compensation cell P2 and P1With P2Difference,
Determine that the corresponding energy-saving cell of maximum difference is closed, until P1With P2Difference be negative or corresponding
The load value of compensation cell reaches the upper limit.
Specifically, after the corresponding energy-saving cell of maximum difference is closed, need to continue to remaining energy-saving cell with
And corresponding compensation cell is calculated.Calculate and close the power consumption number P that the energy-saving cell is saved1And should
The user of energy-saving cell is switched to caused by corresponding compensation cell institute power consumption value added P2 for compensating cell,
Determine that the corresponding energy-saving cell of maximum difference continues to close, until P1With P2Difference be negative or corresponding
When compensation cell cannot carry the load of energy-saving cell, termination process.
For example：Currently there are energy-saving cell 1 and a corresponding compensation cell 1, energy-saving cell 2 and corresponding
Compensation cell 2, energy-saving cell 3 and corresponding compensation cell 3.It should be noted that compensation here
Cell 1, compensation cell 2, compensation not necessarily one independent cell of cell 3, can be several little
District's groups close what is formed.
The user for calculating the power consumption number P11 and energy-saving cell 1 saved closing energy-saving cell 1 is switched to phase
The compensation cell 1 answered caused by compensation cell 1 power consumption value added P21, calculate the difference of P11 and P21
Value, as the first difference.
The user for calculating the power consumption number P12 and energy-saving cell 2 saved closing energy-saving cell 2 is switched to phase
The compensation cell 2 answered caused by compensation cell 2 power consumption value added P22, calculate the difference of P12 and P22
Value, as the second difference.
The user for calculating the power consumption number P13 and energy-saving cell 3 saved closing energy-saving cell 3 is switched to phase
The compensation cell 3 answered caused by compensation cell 3 power consumption value added P23, calculate the difference of P13 and P23
Value, as the 3rd difference.Compare the size of the first difference, the second difference and the 3rd difference, when the first difference
Numerical value it is maximum when, close energy-saving cell 1.
After energy-saving cell 1 is closed, need to continue to calculate remaining energy-saving cell 2 with compensation cell 2
Difference, and energy-saving cell 3 with compensation cell 3 difference.It should be noted that little energy-conservation is closed
Behind area 1, the load of energy-saving cell 2 and energy-saving cell 3 will not change, but original compensation cell
1 may as energy-saving cell 2 or the compensation cell of energy-saving cell 3, so now with energy-saving cell 2
It is corresponding to compensate cell 2 or the load for compensating cell 3 corresponding with energy-saving cell 3 it may happen that changing,
Need the difference for recalculating energy-saving cell 2 and compensation cell 2, and energy-saving cell 3 and compensation cell 3
Difference.
The user for calculating the power consumption number P12 ＇ and energy-saving cell 2 saved closing energy-saving cell 2 is switched to
The power consumption value added P22 ＇ of compensation cell 2, calculates P12 ＇ and P22 ＇ caused by corresponding compensation cell 2 institute
Difference, as the 4th difference.
The user for calculating the power consumption number P13 ＇ and energy-saving cell 3 saved closing energy-saving cell 3 is switched to
The power consumption value added P23 ＇ of compensation cell 3, calculates P13 ＇ and P23 ＇ caused by corresponding compensation cell 3 institute
Difference, as the 5th difference.Compare the 4th difference, the size of the 5th difference, when the numerical value of the 4th difference
More than the 5th difference numerical value when, close energy-saving cell 2.
It should be noted that when the numerical value of the 4th difference is negative, or compensation cell 2 cannot carry section
Can cell 2 load when, then termination process.
In the above embodiment of the present invention, as shown in fig. 6, step S102 includes：
S1021, load value and power consumption number according to each cell under the different states of activation of each energy saving type
Corresponding relation, for each energy-saving cell, search when the energy-saving cell is not turned off with the energy-saving cell
Corresponding current power consumption value P of load valueMi；
S1022, current power consumption value P for calculating the energy-saving cellMiWith stopping for the energy-saving cell for prestoring
Dormancy power consumption number PsleepDifference, obtain P1；
S1023, load value and power consumption number according to each cell under the different states of activation of each energy saving type
Corresponding relation, search the corresponding current power consumption value of load value for compensating cell corresponding with the energy-saving cell
PMa；
S1024, current power consumption value P for calculating corresponding compensation cellMaThe corresponding compensation drawn with judgement
Power consumption number P after the user load value of the little area carrier energy-saving cellMa' difference, obtain P2；
S1025, the difference for calculating P1 and P2.
Specifically, for each energy-saving cell, after cell status information is obtained, according to each energy saving type
Different states of activation under load value and power consumption number corresponding relation, search when the energy-saving cell is not turned off with
Corresponding current power consumption value P of load value of the energy-saving cellMi, then according to the energy-saving cell for prestoring
Dormancy power consumption value Psleep, calculate PMiWith the difference of Psleep, P1 is obtained.
Cell is compensated accordingly for each energy-saving cell, after cell status information is obtained, is compensated
Cell does not carry the present load during user load of corresponding energy-saving cell, according to the difference of each energy saving type
Load value under state of activation and the corresponding relation of power consumption number, search current power consumption value corresponding with present load
PMa.Obtaining current power consumption value PMaAfterwards, it is little according to the corresponding energy-conservation of the little area carrier of compensation for judging to draw
Power consumption number P after the user load value in areaMa', calculate PMaWith PMa' difference, obtain P2.Then count
The difference of P1 and P2 is calculated, the corresponding energy-saving cell of maximum difference is determined and is closed.
In the above embodiment of the present invention, also included before step S1024：
Obtain the user load value of the energy-saving cell；
Judgement compensates accordingly the load value after the user load value of the little area carrier energy-saving cell；
It is corresponding with power consumption number according to load value of each cell under the different states of activation of each energy saving type
Relation, lookup draws the power consumption number P after the user load value for compensating the little area carrier energy-saving cell accordinglyMa’。
Specifically, P is obtainedMa' detailed process be：
The user load of current energy-saving cell is obtained first, and the user load for judging energy-saving cell is switched to accordingly
Compensation cell after caused compensation cell load changing value, it is determined that carrying the user of current energy-saving cell
The final load of load post-compensation cell, according to each cell under the different states of activation of each energy saving type
Load value and the corresponding relation of power consumption number, search and finally load corresponding power consumption number PMa', you can get
Power consumption number PMa’。
As shown in fig. 7, being embodiment of the present invention overall flow schematic diagram：
S201, determined according to the overlap coverage condition between cell energy-saving cell and compensation cell；
S202, load value and power consumption number of each cell under the different states of activation of each energy saving type is set
Corresponding relation；
S203, receive the cellular-like including load value, energy saving type and its state of activation that each cell is reported
State information；
S204, each energy-saving cell is traveled through, when corresponding compensation cell load is less than appointed threshold value,
Perform next step；
S205, the load value according to each cell under the different states of activation of each energy saving type and power consumption number
Corresponding relation, obtains energy-saving cell current power consumption value PMi, according to the energy-saving cell dormancy power consumption for prestoring
Psleep, calculate the power consumption numerical value P saved after energy-saving cell is closed1=PMi-Psleep；
S206, value added P that cell power consumption is compensated according to energy-saving cell load judgment2, wherein P2=PMa’-PMa,
Wherein, PMaThe power consumption current to compensate cell, PMa' it is to compensate the carrying energy-saving cell load that cell judges
Power consumption afterwards；
S207, selection P1-P2Maximum energy-saving cell is closed；
S208, for other energy-saving cells, judge whether (P1-P2)≤0 or compensation cell are received not
The load of the energy-saving cell, when there is any of the above-described situation, execution step S209 otherwise performs step
Rapid S204；
S209, end.
Specifically, illustrated with an embodiment：
Energy-saving cell refers to the little base station of each single carrier, and transmission power is 10w, and compensation cell is then list
Carrier wave macro base station, transmission power is 40w.
It is generally believed that Resource Block (Resource Block, RB) is linearly closed and the transmission power of base station between
System：
Pout=α sRB+ β
Wherein, sRB refers to the RB numbers of data channel occupancy, the fixed value that β is, PoutIt is wide with physics
Broadcast channel (Physical Broadcast Channel, PBCH), auxiliary synchronous signals (Secondary
Synchronization Signal, SSS), master sync signal (Primary Synchronization Signal,
PSS), Physical Control Format Indicator Channel (Physical Control Format Indicator Channel,
PCFICH), reference signal (Common Reference Signal, CRS) is relevant, in being meant that subframe
During without data transfer (sRB=0), due to PBCH, SSS, PSS, PCFICH, CRS channel
The power overhead that necessary transmission belt is come, α refers to proportionality coefficient.The proportionality coefficient of macro base station and little base station point
It is not：αMa=0.36, αMi=0.09, fixed value is βMa=12, βMi=1.
Additionally, the power consumption model of macro base station and little base station is linear：
P=P0+Δ·Pout=P0+Δ·(α·sRB+β)
Therefore, before the closing of base station, according to RB numbers sRB that macro base station takesMaWith certain little base station
RB numbers sRB of occupancyMi, obtain the power P of macro base station consumptionMaThe power consumed with certain little base station
PMi：
PMa=P0_Ma+ΔMa·Pout=P0_Ma+ΔMa×(αMa·sRBMa+βMa)；0≤sRBMa≤NRBMa.
PMi=P0_Mi+ΔMi·Pout=P0_Mi+ΔMi×(αMi·sRBMi+βMi)；0 ＜ sRBMi≤NRBMi
General ΔMa=2.7, P0_Ma=291, ΔMi=4.4, P0_Mi=56,
Therefore, P1=PMi-Psleep P2=P'Ma-PMa=ΔMa·αMa·(sRB'Ma-sRBMa)
Here, sRB'MaRefer to the user of little base station to be switched to after macro base station, the RB occupancy of macro base station
Number.In general, the user of little base station is switched to the RB numbers taken after macro base station and can change, with one
Coefficient is representing：
sRB'Ma-sRBMa=λ sRBMi
P1-P2=PMi-Psleep-ΔMaαMa(sRB'Ma-sRBMa)=P0_Mi+ΔMi(αMi·sRBMi+βMi)-Psleep-ΔMaαMa·λ·sRBMi
=sRBMi(ΔMiαMi-λ·ΔMaαMa)+ΔMiβMi+P0_Mi-Psleep
Make P1-P2＞ 0, then can obtain
If λ=1, can obtain：
Therefore, in this case, when little base station RB numbers cell 25 and macro base station has residual capacity
When carrying its load, it is possible to close the purpose that little base station reaches power saving.Specific shut-off order can be by
Turn off according to RB occupancies minimum.
The embodiment of the present invention also provides the device for combining economize on electricity in a kind of cell between cell, as shown in figure 8,
Including：
Receiver module 10, for receiving that each cell reports including load value, energy saving type and its activation
The cell status information of state, wherein cell include：The energy-saving cell that network coverage is covered by adjacent cell
And the compensation cell in addition to energy-saving cell；
Processing module 20, for according to each cell for being obtained ahead of time each energy saving type not coactivation shape
The corresponding relation of load value and power consumption number under state and the cell status information for receiving, for each section
Energy cell, calculates close the power consumption number P that the energy-saving cell is saved respectively1And the user of the energy-saving cell
It is switched to caused by corresponding compensation cell institute and compensates power consumption value added P of cell2, and calculate P1With P2's
Difference；
Processing module 30 is determined, for according to the calculated difference in each energy-saving cell, it is determined that maximum poor
It is worth corresponding energy-saving cell, and the energy-saving cell by determined by is closed.
Wherein, as shown in figure 9, the device also includes：
Determining module 40, for receiver module 10 receive each cell report including load value, energy-conservation
Before the cell status information of type and its state of activation, determine each energy-saving cell and with energy-saving cell phase
Corresponding compensation cell.
Wherein, the device also includes：
Setup module 50, for receiver module 10 receive each cell report including load value, energy-conservation
Before the cell status information of type and its state of activation, each cell is pre-set in each energy saving type not
The corresponding relation of load value under coactivation state and power consumption number, wherein corresponding relation according to energy saving type and its
The difference of state of activation at least includes：Activating symbol switching off load-power consumption corresponding relation, activation passage shut-off
Load-power consumption corresponding relation, activation carrier wave switching off load-power consumption corresponding relation and any power saving function of un-activation
When load-power consumption corresponding relation.
Wherein, the device also includes：
Processing module 60 is calculated, for it is determined that the energy-saving cell by determined by of processing module 30 is closed
Afterwards, the P for calculating remaining energy-saving cell is continued1, corresponding compensation cell P2 and P1With P2Difference
Value, determines that the corresponding energy-saving cell of maximum difference is closed, until P1With P2Difference be negative or phase
The load value of the compensation cell answered reaches the upper limit.
Wherein, processing module 20 includes：
First submodule 21, for negative under the different states of activation of each energy saving type according to each cell
Load value and the corresponding relation of power consumption number, for each energy-saving cell, search when the energy-saving cell is not turned off
Current power consumption value P corresponding with the load value of the energy-saving cellMi；
Second submodule 22, for calculating current power consumption value P of the energy-saving cellMiWith the section for prestoring
Dormancy power consumption value P of energy cellsleepDifference, obtain P1；
3rd submodule 23, for negative under the different states of activation of each energy saving type according to each cell
Load value and the corresponding relation of power consumption number, search the load value for compensating cell corresponding with the energy-saving cell corresponding
Current power consumption value PMa；
4th submodule 24, for calculating current power consumption value P of corresponding compensation cellMaWith judge to draw
The power consumption number P after the user load value of the little area carrier energy-saving cell is compensated accordinglyMa' difference, obtain
P2。
Wherein, processing module 20 also includes：
Acquisition submodule 25, for calculating the current power consumption value of corresponding compensation cell in the 4th submodule 24
PMaWith the power consumption number after the corresponding user load value for compensating the little area carrier energy-saving cell for judging to draw
PMa' difference before, obtain the user load value of the energy-saving cell；
Judging submodule 26, for judging to compensate accordingly the user load value of the little area carrier energy-saving cell
Load value afterwards；
Submodule 27 is searched, for negative under the different states of activation of each energy saving type according to each cell
Load value and the corresponding relation of power consumption number, search and show that the user for compensating the little area carrier energy-saving cell accordingly bears
Power consumption number P after load valueMa’。
The method for combining economize on electricity between cell in embodiment of the present invention cell, by considering Intra-cell
Power-saving technology (symbol shut-off, passage shut-off, carrier wave shut-off) cooperation energy-saving technology (base and cell between
Stand dormancy), load value of the preparatory stage by each cell under the different states of activation of each energy saving type with
The corresponding relation and dormancy power consumption information of power consumption number is sent to decision point, and in the stage of execution, decision point receives little
The cell status information including load value, energy saving type and its state of activation that area sends, according to being obtained ahead of time
Load value of each cell under the different states of activation of each energy saving type and power consumption number corresponding relation, it is right
Savable power consumption is calculated, preferential to close the maximum cell of economize on electricity dynamics, makes full use of cell itself
With the energy-saving potential of whole network, network power consumption is reduced from whole net rank, improve network efficiency.
It should be noted that combine the device of economize on electricity in cell provided in an embodiment of the present invention between cell being
Using the device of said method, then all embodiments of said method are applied to the device, and can reach
Same or analogous beneficial effect.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (12)
1. a kind of method for combining economize on electricity between cell in cell, it is characterised in that methods described includes：
The cell status information including load value, energy saving type and its state of activation that each cell is reported is received,
Wherein described cell includes：Energy-saving cell that network coverage is covered by adjacent cell and except the energy-conservation is little
Compensation cell beyond area；
Load value and work(according to each cell being obtained ahead of time under the different states of activation of each energy saving type
The corresponding relation of consumption value and the cell status information for receiving, for energy-saving cell each described,
Calculate respectively and close the power consumption number P that the energy-saving cell is saved1And the user of the energy-saving cell is switched to phase
The compensation cell answered caused by compensation cell power consumption value added P2, and calculate the P1With the P2's
Difference；
According to the calculated difference in each energy-saving cell, the corresponding energy-saving cell of maximum difference is determined,
And the energy-saving cell by determined by is closed.
2. the method for claim 1, it is characterised in that what the reception each cell was reported includes
Before the cell status information of load value, energy saving type and its state of activation, methods described also includes：
Determine each described energy-saving cell and the compensation cell corresponding with the energy-saving cell.
3. the method for claim 1, it is characterised in that what the reception each cell was reported includes
Before the cell status information of load value, energy saving type and its state of activation, methods described also includes：
Load value of each cell under the different states of activation of each energy saving type is pre-set with power consumption number
Corresponding relation, wherein the corresponding relation at least includes according to the difference of energy saving type and its state of activation：Swash
Symbol switching off load-power consumption corresponding relation living, activation passage switching off load-power consumption corresponding relation, activation carrier wave
Load-power consumption corresponding relation when switching off load-power consumption corresponding relation and un-activation any power saving function.
4. the method for claim 1, it is characterised in that it is described and will determined by energy-saving cell enter
After row is closed, methods described also includes：
Continue the P for calculating remaining energy-saving cell1, corresponding compensation cell the P2 and the P1
With the P2Difference, determine that the corresponding energy-saving cell of maximum difference is closed, until the P1With institute
State P2Difference be that the load value of negative or corresponding compensation cell reaches the upper limit.
5. the method for claim 1, it is characterised in that each cell that the basis is obtained ahead of time
The corresponding relation of load value under the different states of activation of each energy saving type and power consumption number and receive
The cell status information, for energy-saving cell each described, calculates respectively the closing energy-saving cell and is saved
The power consumption number P of province1And the user of the energy-saving cell is switched to caused by corresponding compensation cell institute and compensates little
Power consumption value added P in area2, including：
It is corresponding with power consumption number according to load value of each cell under the different states of activation of each energy saving type
Relation, for energy-saving cell each described, search when the energy-saving cell is not turned off with the energy-saving cell
Corresponding current power consumption value P of load valueMi；
Calculate current power consumption value P of the energy-saving cellMiWith the dormancy power consumption value of the energy-saving cell for prestoring
PsleepDifference, obtain the P1；
It is corresponding with power consumption number according to load value of each cell under the different states of activation of each energy saving type
Relation, searches corresponding current power consumption value P of load value for compensating cell corresponding with the energy-saving cellMa；
Calculate current power consumption value P of corresponding compensation cellMaHold with the corresponding compensation cell for judging to draw
Carry the power consumption number P after the user load value of the energy-saving cellMa' difference, obtain the P2。
6. method as claimed in claim 5, it is characterised in that the calculating compensates accordingly working as cell
Front power consumption number PMaAfter the corresponding user load value for compensating the little area carrier energy-saving cell for judging to draw
Power consumption number PMa' difference before, methods described also includes：
Obtain the user load value of the energy-saving cell；
Judgement compensates accordingly the load value after the user load value of the little area carrier energy-saving cell；
It is corresponding with power consumption number according to load value of each cell under the different states of activation of each energy saving type
Relation, lookup draws the power consumption number P after the user load value for compensating the little area carrier energy-saving cell accordinglyMa’。
7. the device of economize on electricity is combined in a kind of cell between cell, it is characterised in that described device includes：
Receiver module, for receiving that each cell reports including load value, energy saving type and its state of activation
Cell status information, wherein the cell includes：The energy-saving cell that network coverage is covered by adjacent cell
And the compensation cell in addition to the energy-saving cell；
Processing module, for according to each cell for being obtained ahead of time under the different states of activation of each energy saving type
Load value and power consumption number corresponding relation and the cell status information that receives, for each institute
Energy-saving cell is stated, is calculated close the power consumption number P that the energy-saving cell is saved respectively1And the energy-saving cell
User is switched to caused by corresponding compensation cell institute power consumption value added P for compensating cell2, and calculate described
P1With the P2Difference；
Processing module is determined, for according to the calculated difference in each energy-saving cell, it is determined that maximum poor
It is worth corresponding energy-saving cell, and the energy-saving cell by determined by is closed.
8. device as claimed in claim 7, it is characterised in that described device also includes：
Determining module, for receiving that each cell reports in the receiver module including load value, energy-conservation class
Before the cell status information of type and its state of activation, determine each described energy-saving cell and with the energy-conservation
The corresponding compensation cell of cell.
9. device as claimed in claim 7, it is characterised in that described device also includes：
Setup module, for receiving that each cell reports in the receiver module including load value, energy-conservation class
Before the cell status information of type and its state of activation, difference of each cell in each energy saving type is pre-set
The corresponding relation of load value under state of activation and power consumption number, wherein the corresponding relation according to energy saving type and
The difference of its state of activation at least includes：Activating symbol switching off load-power consumption corresponding relation, activation passage are closed
Disconnected load-power consumption corresponding relation, activation carrier wave switching off load-power consumption corresponding relation and any energy-conservation work(of un-activation
Load-power consumption corresponding relation during energy.
10. device as claimed in claim 7, it is characterised in that described device also includes：
Processing module is calculated, for carrying out closing in determination processing module energy-saving cell by determined by
Afterwards, the P for calculating remaining energy-saving cell is continued1, corresponding compensation cell the P2 and the P1
With the P2Difference, determine that the corresponding energy-saving cell of maximum difference is closed, until the P1With institute
State P2Difference be that the load value of negative or corresponding compensation cell reaches the upper limit.
11. devices as claimed in claim 7, it is characterised in that the processing module includes：
First submodule, for the load value according to each cell under the different states of activation of each energy saving type
With the corresponding relation of power consumption number, for energy-saving cell each described, search when the energy-saving cell is not turned off
Current power consumption value P corresponding with the load value of the energy-saving cellMi；
Second submodule, for calculating current power consumption value P of the energy-saving cellMiWith the energy-conservation for prestoring
Dormancy power consumption value P of cellsleepDifference, obtain the P1；
3rd submodule, for the load value according to each cell under the different states of activation of each energy saving type
With the corresponding relation of power consumption number, the load value for compensating cell corresponding with the energy-saving cell is searched corresponding current
Power consumption number PMa；
4th submodule, for calculating current power consumption value P of corresponding compensation cellMaThe phase drawn with judgement
Power consumption number P after the user load value of the little area carrier energy-saving cell of compensation answeredMa' difference, obtain described
P2。
12. devices as claimed in claim 11, it is characterised in that the processing module also includes：
Acquisition submodule, for calculating the current power consumption value of corresponding compensation cell in the 4th submodule
PMaWith the power consumption number after the corresponding user load value for compensating the little area carrier energy-saving cell for judging to draw
PMa' difference before, obtain the user load value of the energy-saving cell；
Judging submodule, for after the user load value for judging to compensate accordingly the little area carrier energy-saving cell
Load value；
Submodule is searched, for the load value according to each cell under the different states of activation of each energy saving type
With the corresponding relation of power consumption number, search and draw the user load value for compensating the little area carrier energy-saving cell accordingly
Power consumption number P afterwardsMa’。
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