CN101742620B - Method, device and system of reducing energy consumption of base station - Google Patents
Method, device and system of reducing energy consumption of base station Download PDFInfo
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- CN101742620B CN101742620B CN2008102273031A CN200810227303A CN101742620B CN 101742620 B CN101742620 B CN 101742620B CN 2008102273031 A CN2008102273031 A CN 2008102273031A CN 200810227303 A CN200810227303 A CN 200810227303A CN 101742620 B CN101742620 B CN 101742620B
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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 method for reducing the energy consumption of a base station. The method comprises the following steps: receiving an instruction message for notifying the switching from 'busy' to 'idle'; switching the transmission mode of the signal emitted from the designated radio-frequency output end from a single directional antenna transmission to transmission of at least two directional antennas; and reducing the signal transmitting power of the non-designated radio-frequency output end according to a preset rule. Therefore, the signal transmitting power of the base station satisfies the 'busy' and 'idle' remands of the system so as to reduce the energy consumption of the base station as a whole and achieve the effects of energy saving and emission reduction. Meanwhile, the invention also discloses a signal switching device and a communication system.
Description
Technical field
The present invention relates to the communications field, particularly a kind of method, Apparatus and system that reduces energy consumption of base station.
Background technology
The call that reduces discharging in order to respond national energy-saving, each large enterprise actively makes great efforts to reduce as much as possible power consumption in production, operation link, and common carrier is as the big power consumer, and the task of energy-saving and emission-reduction is more arduous.And the highly energy-consuming of operator is mainly produced by the current consuming apparatus such as base station in machine room, and therefore the power consumption of base station being reduced is the key that realizes energy-saving and emission-reduction.
For the problems referred to above, provide following two kinds of solutions under prior art:
The first solution is: the environment transformation to base station machine room reaches the purpose that reduces energy consumption of base station; For example, reduce the power consumption of base station in machine room by the Based Intelligent Control ambient temperature.But the use such scheme, the controller that need to install an air-conditioner in machine room, temperature sensor, and the machine room discharge duct is reequiped; Although can play like this effect that reduces energy consumption of base station, need to drop into a large amount of funds and transform building environment, and equipment maintenance cost be also higher, thereby greatly increased the base station operation cost.
The second solution is: carrier frequency rank and the power in the coverage cell scope of base station to the base station carry out dynamically adjusting the purpose that reaches the reduction energy consumption of base station.Although can be only by the purpose that software setting realizes reducing energy consumption of base station be carried out in the base station with such scheme, but, the hardware configuration of most equipment all can't effectively be supported such scheme, therefore, use such scheme can not realize in the larger context reducing the purpose of energy consumption of base station.
In sum, what have solution now realizes that effect is all undesirable, therefore, need to provide a kind of new scheme to solve the problem that reduces energy consumption of base station.
Summary of the invention
The embodiment of the present invention provides a kind of method, Apparatus and system that reduces energy consumption of base station, in order to realize the energy-saving and emission-reduction of base station system.
The concrete technical scheme that the embodiment of the present invention provides is as follows:
A kind of method that reduces energy consumption of base station, described base station comprises at least two radio-frequency (RF) output end, described method comprises:
Receive and be used for the Indication message that notice is switched from busy to idle;
To specify the signal of radio-frequency (RF) output end emission according to described Indication message, and be carried to switch to by at least two directional antennas by single directional antenna and carry;
Reduce the signal transmission power of non-designated radio-frequency (RF) output end according to preset rules.
A kind of signal switching apparatus, the base station system for comprising at least two radio-frequency (RF) output end comprises:
Communication unit is used for receiving the Indication message that is used for notice switching from busy to idle;
On-off controller for specifying the signal of radio-frequency (RF) output end emission according to described Indication message, is carried to switch to by at least two directional antennas by single directional antenna and is carried;
Switch is used for completing handover operation according to the indication of on-off controller.
A kind of base station system comprises:
Base transceiver station comprises at least two radio-frequency (RF) output end, is used for transmitting to client by described radio-frequency (RF) output end;
Signal switching apparatus when being used for receiving the Indication message that switches from busy to idle in order to notice, will be specified the signal of radio-frequency (RF) output end emission according to this Indication message, carried to switch to by at least two directional antennas by single directional antenna and carry;
Control Server is used for the signal transmission power according to the non-designated radio-frequency (RF) output end of preset rules reduction.
In the embodiment of the present invention, signal switching apparatus in base station system receives and is used for the Indication message that notice is switched from busy to idle, and the signal that will specify radio-frequency (RF) output end to launch, carried to switch to by at least two directional antennas by single directional antenna and carry, simultaneously, Control Server reduces the signal transmission power of non-designated radio-frequency (RF) output end according to preset rules.Like this, the height of base station signal transmitting power, just the demand with system's " busy " and " idle " matches, thereby has effectively reduced the energy resource consumption of base station in " idle ", and then has reduced on the whole the power consumption of base station, has realized the effect of energy-saving and emission-reduction.
Description of drawings
Fig. 1 is that in the embodiment of the present invention, base station signal covers schematic diagram;
Fig. 2 is communication system architectural framework figure in the embodiment of the present invention;
Fig. 3 is signal switching apparatus functional structure chart in the embodiment of the present invention;
Fig. 4 is that in the embodiment of the present invention, signal switching apparatus is adjusted base station signal coverage mode flow chart.
Embodiment
For the energy-saving and emission-reduction that make base station system reach ideal effect, in the embodiment of the present invention, settle a signal switching apparatus in the feeder line of base transceiver station, this signal switching apparatus receives and is used for the Indication message that notice is switched from busy to idle, and according to the signal that this Indication message will specify radio-frequency (RF) output end to launch, carried to switch to by at least two directional antennas by single directional antenna and carry; Simultaneously, long-range Control Server reduces the signal transmission power of non-designated radio-frequency (RF) output end according to preset rules.Wherein, the signal of specifying the radio-frequency (RF) output end emission being carried to switch to by at least two directional antennas by single directional antenna carry, is in order to guarantee the covering effect of signals of base transceiver station.
Certainly, also can reduce the signal transmission power of non-designated radio-frequency (RF) output end by signal switching apparatus, in the present embodiment, the signal transmission power that reduces appointed output terminal by Control Server is only a kind of better implementation, does not repeat them here.
Overwhelming majority area in China, morning, 00:00 was very low to the telephone traffic of 7:00 base station, and present mobile communications network (for example, the GSM network) etc. the base station in the network of honeycomb is generally three sector Directing Stations, so-called three sector Directing Stations are namely to carry out by three sectors the base station that signal covers, and its specific works state as shown in Figure 1.based on above-mentioned 2 points, the major technique design of the embodiment of the present invention is: the time of whole day is divided into " busy " and " idle ", at network busy hour, the base station realizes that by three whole directional cells (perhaps at least two directional cells) signal in compass of competency covers and the telephone traffic absorption, and in the network idle, the base station realizes that the signal in compass of competency covers and telephone traffic absorbs, due in the network idle, reduced the signal transmission power of the part radio-frequency (RF) output end in the base station, therefore, just can save the power that this part residential quarter consumes, thereby reach the effect of desirable energy-saving and emission-reduction
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated.
Consult shown in Figure 2ly, in the embodiment of the present invention, comprise signal switching apparatus 20, Control Server 21 and base station transceiver 22 in communication system, wherein,
Base transceiver station 22 comprises at least two radio-frequency (RF) output end, is used for transmitting to client by described radio-frequency (RF) output end; In the present embodiment, comprise that take base transceiver station three radio-frequency (RF) output end are introduced as example;
Signal switching apparatus 20 is used for specifying the signal of radio-frequency (RF) output end emission according to described Indication message message when receiving the Indication message that switches from busy to idle in order to notice, is carried to switch to by at least two directional antennas by single directional antenna and carries;
Control Server 21 is used for the signal transmission power according to the non-designated radio-frequency (RF) output end on preset rules reduction base transceiver station; In the present embodiment, Control Server 21 can send control command to signal switching apparatus 20 by short message mode or ethernet communication mode; On the other hand, can be directly between Control Server 21 and signal switching apparatus 20 communication unit by inside carry out message intercommunication, also can realize not repeating them here to each other communication by the communicator of special setting.
Consult shown in Figure 3ly, in the present embodiment, signal switching apparatus 20 comprises communication unit 200, on-off controller 201, switch 202, switch 203, switch 204 and switch 205, wherein,
On-off controller 201 for specifying the signal of radio-frequency (RF) output end emission according to described Indication message, is carried to switch to by at least two directional antennas by single directional antenna and is carried;
Switch 202, switch 202, switch 203, switch 204 and switch 205 are used for completing handover operation according to the indication of on-off controller 201.
as shown in Figure 3, in the embodiment of the present invention, preferably, can distinguish installation power transducer 1 in three outlet lines of three power splitters that signal switching apparatus 20 comprises, power sensor 2 and power sensor 3, these three power sensors are used for the transmitting power of three road signals of three power splitter outputs is monitored, and monitoring result is reported to Control Server 21, Control Server 21 can judge whether system completes from the busy to the idle according to monitoring result, perhaps the power from the idle to the busy switches, simultaneously, also can provide in real time for the manager three outlet lines signal transmission power separately of three power splitters, make it grasp at any time current system mode.
Based on the said system framework, the operational detail of following signal switching apparatus 20 is described in detail.
consult shown in Figure 3, in the present embodiment, the covering of three sectors is realized by three radio-frequency (RF) output end in the base station, respectively these three radio-frequency (RF) output end are called: S11, S12 and S13 (only having drawn respectively 1 road signal of each radio-frequency (RF) output end in Fig. 3), the two tactile switches (hereinafter referred to as switch 202 and switch 203) of 2 single-points of feeder line port installation in the S13 circuit and a power splitter are (in the present embodiment, what adopt is three power splitters), simultaneously, at the feeder line port of S12 and S13, the two tactile switches (hereinafter referred to as switch 204 and switch 205) of 1 single-point are installed respectively, like this, just can adjust according to " busy " or " idle " connected state of each switch, thereby adjust the signal coverage mode of whole base station.Certainly, the power splitter that adopts in the present embodiment also can substitute by other any circuit with merit minute effect, adopts power splitter only for giving an example.
in the present embodiment, the MRP of " idle " can carry out according to the statistical conditions of telephone traffic at ordinary times, for example: suppose that the current period is A, and comprise n residential quarter in the compass of competency of base station, each residential quarter is respectively T1～Tn in the telephone traffic of period A, the transmission channel of each residential quarter (Traffic Channel, TCH) channel is C1～Cn, if there is a cell x (1≤x≤n), transmission channel (the TrafficChannel of this residential quarter, TCH) be Cx, actual traffic is Tx, can inquire Cx according to ERLANG B table can traffic carried be Tx ', so, according to formula: Tx ' * 0.9〉(T1+T2+...+Tx), can obtain the value of Tx, Tx is just the channel resource that cell x is used from busy to idle afterwards.
The below consults shown in Figure 4, and in the embodiment of the present invention, when switching from busy to idle, it is as follows that signal switching apparatus 20 is adjusted the detailed process of signal coverage mode of base station:
Step 400: signal switching apparatus 20 receives and is used for the Indication message that notice is switched from busy to idle.
In the present embodiment, above-mentioned Indication message can adopt multiple triggering mode, including but not limited to following two kinds:
One, triggered by the time conditions that arranges.For example, definite current time of signal switching apparatus 20 has arrived when putting default switching time, automatically starts switching flow.
Two, by Event triggered.For example, definite current time of Control Server 21 has arrived when putting default switching time, starts switching flows by short message mode or ethernet communication mode index signal switching device shifter 20.
In the present embodiment, so-called " busy " and " idle " can be according to the applied environment of reality and setting voluntarily, for example, in the present embodiment, be set to " idle " morning " 00:00～07:00 ", and all the other periods are set to " busy ", do not repeat them here.
Step 410: signal switching apparatus 20 will be specified the signal of radio-frequency (RF) output end emission, be carried to switch to by three directional antennas by single directional antenna and carry.
As shown in Figure 3, in the present embodiment, when signal switching apparatus 20 receives the Indication message that switches from busy to idle, with all lead circuit one side at power splitter place of the switch 202 in the S13 circuit and switch 203, simultaneously, with also lead circuit one side at power splitter place of switch 204 and switch 205, like this, the signal of S13 output is just carried simultaneously by carrying to switch to by directional antenna 1, directional antenna 2 and directional antenna 3 from directional antenna 3; And the switch 204 in S11 and S12 circuit and switch 205 are due to circuit one side at the power splitter place of having led, therefore, the signal of S11 and S12 emission just can not be transferred again, so, system just can in the situation that do not affect base transceiver station 22 normal operation, suitably reduce the signal transmission power of S11 and S12 to reach the purpose that reduces energy consumption of base station.
Step 420: Control Server 21 informing base station sending and receiving stationses 22 are closed non-designated radio-frequency (RF) output end, and like this, non-designated radio-frequency (RF) output end just no longer produces transmitting power, thus the power consumption of having saved to a great extent the base station.
As shown in Figure 3, in the present embodiment, non-designated radio-frequency (RF) output end is S11 and S12, after base transceiver station 22 receives the order of Control Server 21, S11 and S12 is closed, and makes it no longer produce transmitting power.
Certainly, in step 420, if consider the traffic load of system, also can not close S11 and S12, but its transmitting power is adjusted to setting threshold, can save to a certain extent equally the power consumption of base station.
In the above-described embodiments, the execution sequence of step 410 and step 420 can be exchanged, and perhaps synchronously carries out, and the technique effect that can realize ideal does not equally repeat them here.
On the other hand, if as shown in this embodiment, in three outlet lines of three power splitters, power sensor 1, power sensor 2 and power sensor 3 have been installed respectively, the output power signal of Control Server 21 three road outlet lines that can report according to each power sensor judges whether system has been successfully completed the state conversion, and when transfer process meets accident, in time adjust accordingly.
based on above-described embodiment, when system switches to busy again by idle, signal switching apparatus 20 just can be with switch 202, switch 203, all lead circuit one side at non-power splitter place of switch 204 and switch 205, thereby the output signal that makes S13 again switches to by single directional antenna 3 and carries, and the output signal of S11 and S12 is readjusted as being carried by directional antenna 1 and directional antenna 2 respectively, Control Server 21 needs informing base station sending and receiving stations 22 to reopen the output signal of S11 and S12 simultaneously, perhaps suitably improve the transmitting power of S11 and S12, telephone traffic load with the adaptive system busy.
On the other hand, system also can at any time or regularly add up current telephone traffic, and execution in step 400-step 420 or its opposite flow process realize the switching of busy period at any time according to statistics, thereby can be in the situation that satisfy the telephone traffic load, further save the power consumption of base station, reach more preferably effect.
In sum, in the embodiment of the present invention, signal switching apparatus 20 in base station system receives and is used for the Indication message that notice is switched from busy to idle, and the signal that will specify radio-frequency (RF) output end to launch, carried to switch to by at least two directional antennas by single directional antenna and carry, simultaneously, Control Server 21 reduces the signal transmission power of non-designated radio-frequency (RF) output end according to preset rules.Like this, the height of base station signal transmitting power, just the demand with system's " busy " and " idle " matches, thereby has effectively reduced the energy resource consumption of base station in " idle ", and then has reduced on the whole the power consumption of base station, has realized the effect of energy-saving and emission-reduction.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the embodiment in the present invention.Like this, if within these in the embodiment of the present invention are revised and modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the embodiment in the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. method that reduces energy consumption of base station, described base station comprises at least two radio-frequency (RF) output end, it is characterized in that, described method comprises:
Receive and be used for the Indication message that notice is switched from busy to idle;
To specify the signal of radio-frequency (RF) output end emission according to described Indication message, and be carried to switch to by at least two directional antennas by single directional antenna and carry;
Reduce the signal transmission power of non-designated radio-frequency (RF) output end according to preset rules.
2. the method for claim 1, is characterized in that, the transmission of described Indication message is triggered by the time conditions that arranges, perhaps by Event triggered.
3. the method for claim 1, is characterized in that, the signal transmission power of the non-designated radio-frequency (RF) output end of described reduction comprises: the transmitting power of non-designated radio-frequency (RF) output end is adjusted to setting threshold; Perhaps, close non-designated radio-frequency (RF) output end.
4. as claim 1,2 or 3 described methods, it is characterized in that, when receiving the Indication message that switches from idle to busy for notice, the signal of radio-frequency (RF) output end emission will be specified, carried to switch to by single directional antenna by at least two directional antennas and carry, increase simultaneously the signal transmission power of non-designated radio-frequency (RF) output end according to preset rules.
5. signal switching apparatus is used for comprising it is characterized in that the base station system of at least two radio-frequency (RF) output end, comprising:
Communication unit for the Indication message that receives for notice switching from busy to idle, and is notified Control Server after completing switching, make described Control Server reduce the signal transmission power of non-designated radio-frequency (RF) output end according to preset rules;
On-off controller for specifying the signal of radio-frequency (RF) output end emission according to described Indication message, is carried to switch to by at least two directional antennas by single directional antenna and is carried;
Switch is used for completing handover operation according to the indication of on-off controller.
6. device as claimed in claim 5, it is characterized in that, when described communication unit receives the Indication message that switches from idle to busy for notice, described on-off controller will be specified the signal of radio-frequency (RF) output end emission, be carried to switch to by single directional antenna by at least two directional antennas and carry.
7. a base station system, is characterized in that, comprising:
Base transceiver station comprises at least two radio-frequency (RF) output end, is used for transmitting to client by described radio-frequency (RF) output end;
Signal switching apparatus when being used for receiving the Indication message that switches from busy to idle in order to notice, will be specified the signal of radio-frequency (RF) output end emission according to this Indication message, carried to switch to by at least two directional antennas by single directional antenna and carry;
Control Server is used for the signal transmission power according to the non-designated radio-frequency (RF) output end of preset rules reduction.
8. base station system as claimed in claim 7, it is characterized in that, when described Control Server reduces the signal transmission power of non-designated radio-frequency (RF) output end according to preset rules, indicate described base transceiver station that the transmitting power of non-designated radio-frequency (RF) output end is adjusted to setting threshold; Perhaps, the described base transceiver station of indication is closed non-designated radio-frequency (RF) output end.
9. base station system as claimed in claim 7 or 8, it is characterized in that, when described signal switching apparatus receives the Indication message that switches from idle to busy for notice, signal with the emission of the appointment radio-frequency (RF) output end on base transceiver station, carried to switch to by single directional antenna by at least two directional antennas and carry, described Control Server promotes the signal transmission power of the non-designated radio-frequency (RF) output end on described base transceiver station according to preset rules.
10. base station system as claimed in claim 7 or 8, is characterized in that, comprising:
Power sensor is used for the appointment radio-frequency (RF) output end on described base transceiver station and the signal transmission power of non-designated radio-frequency (RF) output end are monitored, and monitoring result is reported to described Control Server.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101895973B (en) * | 2010-07-09 | 2013-04-24 | 新邮通信设备有限公司 | Automatic management method and automatic management system for realizing energy saving |
| CN102340853A (en) * | 2010-07-20 | 2012-02-01 | 电信科学技术研究院 | Mobile communication system base station energy-saving method and device |
| CN101931979A (en) * | 2010-08-27 | 2010-12-29 | 无锡博欧电子科技有限公司 | Mobile communication base station energy efficiency evaluation method and system |
| CN101969658A (en) * | 2010-10-14 | 2011-02-09 | 无锡博欧电子科技有限公司 | Base station energy conservation method and system |
| CN104159277B (en) * | 2013-05-16 | 2018-06-19 | 中国电信股份有限公司 | A kind of base station energy-saving device and method |
| CN105282831A (en) * | 2014-06-30 | 2016-01-27 | 中兴通讯股份有限公司 | Base station power saving control method and device |
| CN104837187B (en) * | 2015-05-13 | 2019-06-04 | 新华三技术有限公司 | The power-economizing method and device of radio reception device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036884C (en) * | 1993-05-14 | 1997-12-31 | 艾利森电话股份有限公司 | Method and apparatus for transmission power regulation in a radio system |
| CN101217784A (en) * | 2007-01-05 | 2008-07-09 | 美国博通公司 | Radio network, communication apparatus and access point of communication architecture |
-
2008
- 2008-11-26 CN CN2008102273031A patent/CN101742620B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036884C (en) * | 1993-05-14 | 1997-12-31 | 艾利森电话股份有限公司 | Method and apparatus for transmission power regulation in a radio system |
| CN101217784A (en) * | 2007-01-05 | 2008-07-09 | 美国博通公司 | Radio network, communication apparatus and access point of communication architecture |
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Address after: 410015 No. three, Furong Middle Road, Changsha City, Hunan province 446 Patentee after: CHINA MOBILE GROUP HENAN Co.,Ltd. Patentee after: Jingxin Network System Co.,Ltd. Address before: 410015 No. three, Furong Middle Road, Changsha City, Hunan province 446 Patentee before: CHINA MOBILE GROUP HENAN Co.,Ltd. Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |