CN102014470A - Base station power consumption control method and system - Google Patents
Base station power consumption control method and system Download PDFInfo
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- CN102014470A CN102014470A CN2010105672863A CN201010567286A CN102014470A CN 102014470 A CN102014470 A CN 102014470A CN 2010105672863 A CN2010105672863 A CN 2010105672863A CN 201010567286 A CN201010567286 A CN 201010567286A CN 102014470 A CN102014470 A CN 102014470A
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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
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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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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Abstract
The invention discloses a base station power consumption control method and system. The base station power consumption control method comprises the following steps: base station groups are divided, and a communication traffic volume threshold value of each base station group is set, wherein each base station group comprises a plurality of base stations; one central base station is selected from the base stations, wherein the central base station can cover the range covered by all the base stations in the base station group when the central base station transmits signals at a maximum power; the communication traffic volume of each base station in the corresponding base station group is compared with the communication traffic volume threshold value in the central base station; and when the communication traffic volume of each base station is less than the communication traffic volume threshold value, the central base station upgrades the energy-saving level, increases the transmission power to the maximum, switches terminals corresponding to all the base stations to the central base station, and switches off the radio frequencies of all the base stations except the central base station. By using the technical scheme, the energy consumption of the overall system can be saved to the greatest extent.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of base station power consumption control method and system.
Background technology
In mobile communication system, because each base station number of users that can hold and can data quantity transmitted be limited, in order to satisfy the requirement of ever-increasing mobile communication subscriber to speech quality, data transmission performance, operator adopts the method that increases the base station to improve the capacity of system usually.
Yet for mobile communications network, the message volume that is not all periods is all identical.Can increase suddenly such as conference and exhibition center's message volume during exhibition, but not the traffic carrying capacity during the exhibition seldom; The message volume at most of regional night all can be more much lower than the daytime.Yet at present the operating state of base station is a differentiated service amount not in the mobile communication system, traffic carrying capacity size no matter, and all base stations all keep normal operating state, and this has just caused a lot of unnecessary power consumptions.
Radio frequency part is the highest part of base station power consumption, and in order to reduce the energy consumption of base station as far as possible, existing patented technology has proposed several according to the big or small scheme of controlling the energy consumption of base station of BTS service amount, mainly is divided into following several:
Scheme one: the base station is according to the situation that takies of real resource, by the unlatching or the shutoff of base station oneself control carrier frequency radio frequency.Do not have the user when the base station detects on certain carrier frequency, or the channel quantity that takies of certain carrier frequency turn-offs the radio frequency of this carrier frequency when being zero.Perhaps when network traffic hour, the user on the carrier frequency that then will superpose is moved on the basic carrier frequency, turn-offs the carrier frequency that superposes then.Otherwise, need be distributed in when having turn-offed on the carrier frequency as new resources, this carrier frequency is opened in the base station.
Scheme two: pre-set carrier frequency of administering the base station is opened and the turn-off time section on operation maintenance equipment, by the unlatching or the shutoff of operation maintenance equipment control base station carrier.
Scheme three: base station controller is responsible for collecting the occupation condition of whole system, according to the result of calculation of wireless resource management algorithm, and the unlatching of each base station carrier or shutoff in the control system.
One of scheme is considered from the occupation condition of single base station, lacks the macroscopic view of whole system is considered, cause easily turn-off certain carrier frequency after, the state of other working carrier frequency high load capacity work.Scheme two is set the unlatching of carrier frequency in advance or is turn-offed the period, lacks flexibility, is easy to occur the situation that carrier frequency state and actual volume do not conform to.Compare with preceding two kinds of schemes, scheme three is taken all factors into consideration the resource operating position of whole system, dynamically controls the carrier frequency state, and is more reasonable.
Yet,, all be to save power consumption by the method for cutoff carrier frequency radio frequency no matter be which kind of scheme.And when actual arranging net,,, use the base station of identical frequency will guarantee not cover the same area in order to prevent co-channel interference because frequency and bandwidth that each operator can use are limited as far as possible.This just causes in some zone, and the base station is intensive relatively when arranging net as the traffic carrying capacity of zone, conference and exhibition center when satisfying the peak, and each base station can not be with the maximum power transmission signal.According to method of the prior art, there is not blind spot, the radio frequency that can only close this area part base station, relatively power consumption in order to guarantee the signal covering.
Summary of the invention
The radio frequency that can only close this area part base station at existing power consumption control scheme, relatively problem such as power consumption the invention provides a kind of base station power consumption control method and system, one of to address the above problem at least.
According to an aspect of the present invention, provide a kind of base station power consumption control method, having comprised: divided group of base stations and the message volume threshold value of above-mentioned group of base stations is set, wherein, comprise a plurality of base stations in each group of base stations; Choose a center base station in a plurality of base stations, wherein, center base station can cover the scope that all base stations cover in this group of base stations during with the maximum power transmission signal; Center base station compares the message volume of all base stations in its affiliated group of base stations and the size of above-mentioned message volume threshold value; When the message volume in all base stations is lower than above-mentioned message volume threshold value, center base station improves current energy-conservation grade, its transmitting power promotion is arrived maximum, and the terminal of all base station correspondences all switched on the center base station, turn-off the radio frequency of other base stations except center base station in all base stations.
According to another aspect of the present invention, provide a kind of base station power consumption control system, having comprised: operational control center, base station, aforesaid operations control centre comprises: group of base stations is divided module, is used to divide group of base stations, wherein, comprises a plurality of base stations in each group of base stations; The message volume threshold value is provided with module, is used to be provided with the message volume threshold value of above-mentioned group of base stations; Center base station is chosen module, is used in a plurality of base stations, chooses a center base station, and wherein, this center base station can cover the scope that all base stations cover in this group of base stations during with the maximum power transmission signal; Above-mentioned center base station comprises: the message volume comparison module is used for the message volume of its affiliated all base stations of group of base stations of comparison and the size of above-mentioned message volume threshold value; Mode switch module, when being used for message volume and being lower than above-mentioned message volume threshold value in all base stations of group of base stations, improve current energy-conservation grade, arrive the transmitting power promotion of center base station maximum, and the terminal of all base station correspondences all switched on the center base station, turn-off the radio frequency of other base stations except center base station in all base stations.
By the present invention, more after a little while, the transmitting power that increases center base station covers in the message volume of network in employing, and the scheme of turn-offing the radio frequency of other base station of periphery, solve the low problem of energy consumption saving rate in the prior art, saved the energy consumption of whole system to greatest extent.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the base station power consumption control method of the embodiment of the invention;
Fig. 2 is the base station deployment schematic diagram of the example according to the present invention;
Fig. 3 is that the parameter of the operation maintenance center of example according to the present invention is provided with flow chart;
Fig. 4 is mode of operation (energy-conservation grade) the switching flow figure of the example according to the present invention;
Fig. 5 is the structural representation according to the base station power consumption control system of the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Fig. 1 is the flow chart according to the base station power consumption control method of the embodiment of the invention.As shown in Figure 1, the base station power consumption control method according to the embodiment of the invention comprises:
Step S102 divides group of base stations and the message volume threshold value of group of base stations is set, and wherein, comprises a plurality of base stations in each group of base stations.
Step S104 chooses a center base station in above-mentioned a plurality of base stations, wherein, center base station can cover the scope that all base stations cover in this group of base stations during with the maximum power transmission signal.
Step S106, center base station compares the message volume of all base stations in its affiliated group of base stations and the size of message volume threshold value.
Step S108, when the message volume in all base stations is lower than the message volume threshold value, center base station improves current energy-conservation grade, its transmitting power promotion is arrived maximum, and the terminal of all base station correspondences all switched on the center base station, turn-off the radio frequency of other base stations except center base station in all base stations.
Preferably, as shown in Figure 1, after the step S106, can also comprise following processing:
Step S110, when the message volume in all base stations surpassed the message volume threshold value, center base station reduced current energy-conservation grade, notifies all base stations to open radio frequency, and reduced the transmitting power of center base station.
When actual arranging net,,, use the base station of identical frequency will guarantee not cover the same area in order to prevent co-channel interference because frequency and bandwidth that each operator can use are limited as far as possible.This just causes in some zone, and the base station is intensive relatively when arranging net as the traffic carrying capacity of zone, conference and exhibition center when satisfying the peak, and each base station can not be with the maximum power transmission signal.Therefore, when these regional traffic carrying capacitys less (being lower than the message volume threshold value that presets), can increase the radio-frequency power of certain base station (being center base station), allow this base station cover bigger scope, turn-off the radio frequency of all carrier frequency under this base station range simultaneously.So, following radio frequency that needs to open a base station gets final product in this zone, reduced power consumption to greatest extent.When this regional traffic carrying capacity continues to increase and has surpassed the message volume threshold value that presets, center base station then needs to notify all base stations to open radio frequency, and reduce self transmitting power, to prevent interference, the concrete numerical value that reduces can be selected flexibly according to the size of traffic carrying capacity and the factors such as distribution of client, can preferentially select to reduce to the level before radio-frequency power does not increase.
In specific implementation process, switch in order to carry out the group of base stations mode of operation smoothly, can be that center base station is set the transmitting power under the different energy-conservation grades (corresponding to different mode of operations) in operation maintenance center.For example, group of base stations can be divided into two kinds of energy-conservation grades: not energy-conservation and maximum energy-conservation.The transmitting power of setting for center base station under two kinds of energy-conservation grades is respectively P0 and PM.When group of base stations was worked under not energy-conservation grade, the radio frequency of these all base stations of group of base stations all was under the mode of operation, and the radio-frequency emission power of center base station is P0, and coverage is less, can prevent interference; And switch to when working under the maximum energy-conservation grade when group of base stations, the radio-frequency emission power of center base station is PM, this moment, the radio frequency of this other base station of group of base stations all was under the shutdown mode, covered the full wafer zone by center base station.
Preferably, step S106 may further include following processing: center base station receives the message volume that all base stations regularly report in its affiliated group of base stations, count the message volume of all base stations in this group of base stations, and the relatively message volume of all base stations and the size of message volume threshold value.
Preferably, above-mentioned message volume include but not limited to following one of at least: number of users, the channel quantity that takies.
In specific implementation process, the message volume of this base station can regularly be reported in all base stations of group of base stations to center base station, and the number of channel that comprise number of users, takies etc. are responsible for gathering by center base station, and adjudicates this group of base stations and be adapted at working under which pattern.If message volume is less, center base station self just can be held these business, center base station just enlarges the transmitting power of oneself up to the full wafer zone that can cover this group, and notify this to organize all base stations the terminal in the current network is switched on the center base station, all turn-off radio frequency group of base stations all base stations except that center base station afterwards, to reach the purpose of saving the energy.When number of users increased in network, center base station reinformed this and organizes all base stations and open radio frequency, and center base station is dwindled transmitting power to not energy-conservation transmit power level, to prevent that other base station signals are caused interference simultaneously.
Preferably, in step S102, can also on the basis of message volume threshold value, a buffered communication traffic carrying capacity threshold value be set.So, step S108 and step S110 change into:
Step S108 ', when the message volume in all base stations is lower than the difference of message volume threshold value and buffered communication traffic carrying capacity threshold value, center base station improves current energy-conservation grade, its transmitting power promotion is arrived maximum, and the terminal of all base station correspondences all switched on the center base station, turn-off the radio frequency of other base stations except center base station in all base stations.
Step S110 ', when the message volume in all base stations is higher than message volume threshold value and buffered communication traffic carrying capacity threshold value sum, center base station reduces current energy-conservation grade, and radio frequency is opened in all base stations of informing base station group, and reduces the transmitting power of center base station.
Buffered communication traffic carrying capacity threshold value further is set, can prevents the ping-pong that single thresholding causes.
Preferably, the above-mentioned group of base stations that with the base station is the basic comprising unit can be other group of base stations of lowermost level in the multistage group of base stations, wherein, this multistage group of base stations is corresponding to a plurality of energy-conservation grades, and the group of base stations at different levels in this multistage group of base stations all with its other group of base stations of low one-level as the basic comprising unit, group of base stations at different levels all have a center base station.
In specific implementation process, can set a plurality of energy-conservation grades according to the size of message volume in the current network, set up multistage group of base stations, be subdivided into multistage son group, every grade of son group is set center base station at different levels again.Segmentation layer by layer accomplishes to save to greatest extent the energy.When for example group of base stations was in not energy-conservation grade, all base stations were all in running order down; Group of base stations is in 1 grade when energy-conservation, the setting power when 1 grade of center base station enlarges grade energy-conservation grade of transmitting power to 1, and other base station radio-frequency turn-offs; By that analogy; When group of base stations is in maximum energy-conservation grade, have only the power emission signal of center base station with the energy-conservation level setting of maximum, radio frequency is all turn-offed in other all base stations of this group of base stations.
Be elaborated below in conjunction with example and accompanying drawing 2 to 4 pairs of above preferred embodiments of accompanying drawing.
As shown in Figure 2, the quality of service when communicating by letter the peak in order to satisfy, base station distribution was intensive relatively when operator arranged net in certain zone.But because the available frequency of operator is limited, in order to prevent co-channel interference, each base station can not be with the maximum power transmission signal.Base station a can cover whole zone during with the maximum power transmission radiofrequency signal, but disturbs in order to prevent, just the transmitting power of base station a is narrowed down to when arranging net and can only cover the twill zone.
When this area business amount hour (being lower than the message volume threshold value that presets), the radio-frequency power of base station a can be adjusted to maximum transmission power, portable terminal with all base stations under a coverage of base station all switches on a of base station then, and the radio frequency with these base stations turn-offs again.Because base station a can cover the coverage of all these base stations, therefore should blind spot can not appear covering the zone.And this moment, to have only the radio frequency of base station a be to be under the mode of operation in this zone, and the radio frequency of other base station has all turn-offed, thereby saved the energy consumption of system to greatest extent.
When the traffic carrying capacity of base station a was big, base station a then notified other base station under its coverage to open radio frequency, and base station a narrows down to transmitting power initial setting again afterwards, avoids disturbing with other base station.
Fig. 3 is that the parameter of the operation maintenance center of example according to the present invention is provided with flow chart, needs the parameter flow process of setting as follows, is that example is illustrated with base station deployment structure shown in Figure 2:
Step S302: certain regional base station grouping, and the center base station of specifying each to organize.With base station deployment structure shown in Figure 2 is example, and base station a, b, c, d, e, f, g are divided into one group, and center base station is base station a.
Step S304: the center base station of each group is set the transmitting power under the different energy-conservation grades.In the base station deployment structure shown in Figure 2, this group of base stations is divided into two kinds of energy-conservation grades: not energy-conservation and maximum energy-conservation, energy-conservation grade is not minimum when energy-conservation, maximum when energy-conservation the highest energy-conservation grade; The transmitting power of setting for base station a under two kinds of energy-conservation grades is respectively P0 and PM.When group of base stations was worked under not energy-conservation grade, the radio-frequency emission power of base station a was P0, and coverage is less, can only cover the twill zone, and this moment, the radio frequency of these all base stations of group of base stations all was under the mode of operation; When group of base stations when under the energy-conservation grade of maximum, working, the radio-frequency emission power of base station a is PM, coverage is bigger, can cover whole zone, this moment this other base station of group of base stations radio frequency all be under the shutdown mode.
Step S306: set the message volume thresholding of each energy-conservation grade of group of base stations, comprise number of users, busy channel number etc.When the message volume of group of base stations reached the thresholding of certain energy-conservation grade, the operating state of this group base station just switched to this energy-conservation grade.Require the energy-conservation traffic carrying capacity thresholding must be less than the maximum capacity of this group switching centre base station.Hold 300 users as the multipotency of center base station, energy-conservation thresholding then must be less than 300 users, otherwise when this group base station enters maximum energy-conservation level model work, have certain customers and can't insert center base station and influence service quality.Cause ping-pong in order to prevent single thresholding, the buffering thresholding can further be set, when being lower than the difference of maximum energy-conservation thresholding and buffering thresholding, just allow to switch to maximum energy-conservation grade as the message volume of group of base stations; And the message volume that withdraws from maximum energy-conservation grade must reach maximum energy-conservation thresholding with the buffering thresholding with just passable.
Step S308: send the setting data of operation maintenance center to each base station, be about to step S302 and send to all base stations to the parameter that step S306 sets, each group of base stations will be according to the parameter work of setting.
As shown in Figure 4, group of base stations mode of operation (energy-conservation grade) switching flow is as follows:
Step S402: the current message volume in this base station is regularly reported to the center base station of this group in all base stations of group of base stations.
Step S404: after center base station gathered this message volume of organizing all base stations, the message volume thresholding of each energy-conservation grade of setting according to operation maintenance center was adjudicated.
Step S406:, do not need to do any processing if court verdict is identical with the energy-conservation grade of current base station group; If court verdict is different with the energy-conservation grade of current base station group, then enter step S408.
Step S408: whether the energy-conservation grade of judging group of base stations improves.If improving, the energy-conservation grade of group of base stations enters step S410; If the energy-conservation grade of group of base stations reduces, enter step S412.
Step S410: when the energy-conservation grade of group of base stations improved, center base station needed earlier transmitting power to be brought up to the transmitting power of this grade of operation maintenance center's setting, guaranteed that the coverage of center base station is bigger.
Step S412: center base station is organized all base stations to this and is sent energy-conservation grade switching indication, has wherein indicated new energy-conservation grade.Handle after receiving this Indication message accordingly each base station: if energy-conservation grade improves, then the terminal of this base station is forced to switch on the frequency of center base station, turn-off the radiofrequency signal of this base station then, reply energy-conservation grade switching response message to center base station, because this base station is to turn-off radio frequency, do not have again terminal to insert, therefore can stop regularly to report message volume; If energy-conservation grade reduces, then the original radio frequency that turn-offs in this base station is opened, reply energy-conservation grade switching response message to center base station then, continue regularly to report the message volume of this base station simultaneously.
Step S414: center base station need be collected the energy-conservation grade switching response message that reply all base stations of neat this group.
Step S416: if court verdict is the energy-conservation grade reduction of group of base stations in step S408, has opened the radio frequency that turn-offs all base stations of group of base stations in step S412, in order to prevent to disturb, center base station need be reduced to transmitting power the transmitting power of new energy-conservation grade correspondence.
Fig. 5 is the structural representation according to the base station power consumption control system of the embodiment of the invention.As shown in Figure 5, comprise according to the base station power consumption control system of the embodiment of the invention: operational control center 52, center base station 56, wherein,
Operational control center 52 may further include:
Group of base stations is divided module 522, is used to divide group of base stations, wherein, comprises a plurality of base stations 54 in each group of base stations.
The message volume threshold value is provided with module 524, is used to be provided with the message volume threshold value of above-mentioned group of base stations.
Center base station is chosen module 526, is used for choosing a center base station 56 in above-mentioned a plurality of base stations 54, and wherein, center base station 56 can cover the scope that all base stations cover in this group of base stations during with the maximum power transmission signal;
Message volume comparison module 562 is used for the message volume of its affiliated all base stations of group of base stations of comparison and the size of message volume threshold value;
Mode switch module 564, when being used for message volume and being lower than the message volume threshold value in all base stations of group of base stations, improve current energy-conservation grade, arrive the transmitting power promotion of center base station 56 maximum, and the terminal of all base station correspondences all switched on the center base station 56, turn-off the radio frequency of other base stations 54 except center base station 56 in all base stations.
Preferably, mode switch module 564 can also be used for reducing current energy-conservation grade when the message volume of all base stations surpasses the message volume threshold value, notifies all base stations to open radio frequency, and the transmitting power of reduction center base station 56.
Said system is primarily aimed at the relative close quarters in base station, and more after a little while, the transmitting power that only increases center base station 56 covers, and turn-offs the radio frequency of other base station 54 of periphery, thereby has saved the energy consumption of whole system to greatest extent in the message volume of network.In specific implementation process, operational control center 52 comprises all wired or wireless being connected between the center base station 56 with each base station 54, and each base station 54 comprises connection also all wired or wireless between the center base station 56.
Working method and extended mode about said system have detailed description in said method embodiment, repeat no more herein.
Preferably, the message volume comparison module 562 of center base station 56, can be used for receiving the message volume that its affiliated all base station of group of base stations regularly reports, count the message volume of all base stations in this group of base stations, and the relatively message volume of all base stations and the size of described message volume threshold value.
Preferably, above-mentioned message volume include but not limited to following one of at least: number of users, the channel quantity that takies.
In specific implementation process, the message volume of this base station can regularly be reported in all base stations of group of base stations to center base station 56, the numbers of channel that comprise number of users, take etc. are responsible for gathering by center base station 56, and adjudicate this group of base stations and be adapted at working under which pattern.If message volume is less, center base station 56 self just can be held these business, center base station 56 just enlarges the transmitting power of oneself up to the full wafer zone that can cover this group, and notify this to organize all base stations the terminal in the current network is switched on the center base station 56, all turn-off radio frequency the base station 54 of group of base stations except that center base station 56 afterwards, to reach the purpose of saving the energy.When number of users increased in network, center base station 56 reinformed this and organizes all base stations and open radio frequency, and center base station 56 is dwindled transmitting power to not energy-conservation transmit power level, to prevent that other base stations 54 signals are caused interference simultaneously.
Preferably, the message volume threshold value is provided with module 524, can also be used to put buffered communication traffic carrying capacity threshold value; Mode switch module 564, in the time of can also being used for message volume and being lower than the difference of message volume threshold value and buffered communication traffic carrying capacity threshold value in all base stations, improve current energy-conservation grade, arrive the transmitting power promotion of center base station 56 maximum, and the terminal of all base station correspondences all switched on the center base station 56, turn-off the radio frequency of other base stations 54 except center base station 56 in all base stations; When the message volume in all base stations is higher than message volume threshold value and buffered communication traffic carrying capacity threshold value sum, reduce current energy-conservation grade, notify all base stations to open radio frequency, and reduce the transmitting power of center base station 56.
Buffered communication traffic carrying capacity threshold value further is set, can prevents the ping-pong that single thresholding causes.
Preferably, as shown in Figure 5, operational control center 52 can further include:
Multistage group of base stations is set up module 528, what be used for dividing that module 522 divides with group of base stations is that the group of base stations of basic comprising unit is that other group of base stations of lowermost level is set up multistage group of base stations with base station 54, wherein, multistage group of base stations is corresponding to a plurality of energy-conservation grades, group of base stations at different levels in the multistage group of base stations all with its other group of base stations of low one-level as the basic comprising unit, group of base stations at different levels all have a center base station 56.
In specific implementation process, can set a plurality of energy-conservation grades according to the size of message volume in the current network, set up multistage group of base stations, be subdivided into multistage son group, every grade of son group is set center base station at different levels again.Segmentation layer by layer accomplishes to save to greatest extent the energy.
From above description, as can be seen, compared with prior art, the present invention is directed to the relative close quarters in base station, each base station can not be with the characteristics of maximum power transmission signal, and more after a little while, the transmitting power that only increases center base station covers in the message volume of network, and turn-off the radio frequency of other base station of periphery, saved the energy consumption of whole system to greatest extent.Because the shutoff of peripheral base station radio frequency or unlatching unification are by center base station control, center base station requires peripheral base station shutoff radio frequency in increase self coverage, has guaranteed also can not introduce interference not influencing the signal covering simultaneously.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a base station power consumption control method is characterized in that, comprising:
Divide group of base stations and the message volume threshold value of described group of base stations is set, wherein, comprise a plurality of base stations in each described group of base stations;
Choose a center base station in described a plurality of base stations, wherein, described center base station can cover the scope that all base stations cover in the described group of base stations during with the maximum power transmission signal;
Described center base station compares the message volume of all base stations in its affiliated group of base stations and the size of described message volume threshold value;
When the message volume in described all base stations is lower than described message volume threshold value, described center base station improves current energy-conservation grade, its transmitting power promotion is arrived maximum, and the terminal of described all base station correspondences all switched on the described center base station, turn-off the radio frequency of other base stations except described center base station in described all base stations.
2. method according to claim 1 is characterized in that, the message volume of all base stations and the size of described message volume threshold value comprise in its affiliated group of base stations of described center base station comparison:
Described center base station receives the message volume that all base stations regularly report in its affiliated group of base stations, counts the message volume of all base stations in this group of base stations, and the size of the message volume of more described all base stations and described message volume threshold value.
3. method according to claim 2 is characterized in that, described message volume comprise following one of at least: number of users, the channel quantity that takies.
4. method according to claim 1 is characterized in that, after the size of the message volume of all base stations and described message volume threshold value, also comprises in the group of base stations under described center base station compares it:
When the message volume of described all base stations surpassed described message volume threshold value, described center base station reduced current energy-conservation grade, notifies described all base stations to open radio frequency, and reduces the transmitting power of described center base station.
5. according to each described method of claim 1 to 4, it is characterized in that, also comprise:
Buffered communication traffic carrying capacity threshold value is set;
When the message volume in described all base stations is lower than the difference of described message volume threshold value and described buffered communication traffic carrying capacity threshold value, described center base station improves current energy-conservation grade, its transmitting power promotion is arrived maximum, and the terminal of described all base station correspondences all switched on the described center base station, turn-off the radio frequency of other base stations except described center base station in described all base stations;
When the message volume in described all base stations is higher than described message volume threshold value and described buffered communication traffic carrying capacity threshold value sum, described center base station reduces current energy-conservation grade, notify all base stations of described group of base stations to open radio frequency, and reduce the transmitting power of described center base station.
6. method according to claim 5, it is characterized in that, the described group of base stations that with the base station is the basic comprising unit is other group of base stations of lowermost level in the multistage group of base stations, wherein, described multistage group of base stations is corresponding to a plurality of energy-conservation grades, group of base stations at different levels in the described multistage group of base stations all with its other group of base stations of low one-level as the basic comprising unit, group of base stations at different levels all have a center base station.
7. base station power consumption control system comprises: operational control center, base station, it is characterized in that,
Described operational control center comprises:
Group of base stations is divided module, is used to divide group of base stations, wherein, comprises a plurality of base stations in each described group of base stations;
The message volume threshold value is provided with module, is used to be provided with the message volume threshold value of described group of base stations;
Center base station is chosen module, is used for choosing a center base station in described a plurality of base stations, and wherein, described center base station can cover the scope that all base stations cover in the described group of base stations during with the maximum power transmission signal;
Described center base station comprises:
The message volume comparison module is used for the message volume of its affiliated all base stations of group of base stations of comparison and the size of described message volume threshold value;
Mode switch module, when being used for message volume and being lower than described message volume threshold value in all base stations of described group of base stations, improve current energy-conservation grade, arrive the transmitting power promotion of described center base station maximum, and the terminal of described all base station correspondences all switched on the described center base station, turn-off the radio frequency of other base stations except described center base station in described all base stations.
8. system according to claim 7, it is characterized in that, described message volume comparison module, be used for receiving the message volume that its affiliated all base station of group of base stations regularly reports, count the message volume of all base stations in this group of base stations, and the size of the message volume of more described all base stations and described message volume threshold value, wherein, described message volume comprise following one of at least: number of users, the channel quantity that takies.
9. system according to claim 7, it is characterized in that, described mode switch module, also be used for when the message volume of described all base stations surpasses described message volume threshold value, reduce current energy-conservation grade, notify described all base stations to open radio frequency, and reduce the transmitting power of described center base station.
10. according to each described system of claim 7 to 9, it is characterized in that,
Described message volume threshold value is provided with module, also is used to put buffered communication traffic carrying capacity threshold value;
Described mode switch module, when also being used for message volume and being lower than the difference of described message volume threshold value and described buffered communication traffic carrying capacity threshold value in described all base stations, improve current energy-conservation grade, arrive the transmitting power promotion of described center base station maximum, and the terminal of described all base station correspondences all switched on the described center base station, turn-off the radio frequency of other base stations except described center base station in described all base stations; When the message volume in described all base stations is higher than described message volume threshold value and described buffered communication traffic carrying capacity threshold value sum, reduce current energy-conservation grade, notify described all base stations to open radio frequency, and reduce the transmitting power of described center base station.
11. system according to claim 10 is characterized in that, described operational control center also comprises:
Multistage group of base stations is set up module, what be used for dividing Module Division with described group of base stations is that the described group of base stations of basic comprising unit is that other group of base stations of lowermost level is set up multistage group of base stations with the base station, wherein, described multistage group of base stations is corresponding to a plurality of energy-conservation grades, group of base stations at different levels in the described multistage group of base stations all with its other group of base stations of low one-level as the basic comprising unit, group of base stations at different levels all have a center base station.
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| CN201010567286.3A CN102014470B (en) | 2010-11-30 | 2010-11-30 | Base station power consumption control method and system |
| PCT/CN2011/071683 WO2012071827A1 (en) | 2010-11-30 | 2011-03-10 | Method and system for controlling power consumption of base stations |
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| CN201010567286.3A CN102014470B (en) | 2010-11-30 | 2010-11-30 | Base station power consumption control method and system |
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| CN102014470B (en) | 2014-08-13 |
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