CN103167596A - Method and device of power control - Google Patents
Method and device of power control Download PDFInfo
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- CN103167596A CN103167596A CN2011104223607A CN201110422360A CN103167596A CN 103167596 A CN103167596 A CN 103167596A CN 2011104223607 A CN2011104223607 A CN 2011104223607A CN 201110422360 A CN201110422360 A CN 201110422360A CN 103167596 A CN103167596 A CN 103167596A
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Abstract
The invention discloses a method and a device of power control. The method comprises the following steps, an initial judgment result is ensured according to signal quality and an electrical level of a measurement report; according to the initial judgment result, a final judgment result is ensured combining a code self-adaptive judgment result; and power control is conducted according to the final judgment result. Because the judgment result acquired according to the electrical level and the signal quality and the judgment result acquired through code self-adaptive adjustment are combined, the final power control judgment result is ensured; and power control is conducted according to the power control result, and therefore service rates are prevented from being affected to affect perceptibility of a user.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to method and device that a kind of power is controlled.
Background technology
It is in order to reduce the power consumption of base station and mobile terminal that power is controlled, and reduces the interference to other user in network, and adjusts the transmitting power of base station and mobile terminal.
Power control is divided into uplink power control (transmitting power of mobile terminal is controlled) and downlink power control (transmitting power of base station is controlled).Downlink power control is BTS (Base Transceiver Station, base transceiver station) transmitting power of restriction radio block, indicate the transmitting power of current wireless piece by the PR field in parameter P0 and radio block MAC (MediaAccess Control, medium access control) head.For RLC (Radio Link Control, Radio Link is controlled) radio block, transmitting power should be controlled at (BCCH level-P0dB) and between (BCCH level-P0dB-10dB), for other radio block, transmitting power is no more than (BCCH level-P0dB).
Power control comprises open loop control, closed-loop control and based on three kinds of algorithms of quality control.When adopting closed-loop control, network side is weighed current receiving state signal whether within the state range of expectation according to received signal level and received signal quality, thereby determines that whether will carry out power to current reception signal controls.Therefore, the accuracy of this closed-loop power control relies on expectation level range and the desired qualities scope that arranges, and power is adjusted the inaccurate quality that will have a strong impact on business.
Summary of the invention
Main purpose of the present invention is to provide a kind of method that power is controlled, and is intended to improve the accuracy that power is controlled.
The invention provides a kind of method that power is controlled, comprise the following steps:
According to signal quality and the level of measurement report, determine initial court verdict;
According to initial court verdict, determine final court verdict in conjunction with the coding adaptation court verdict;
According to described final court verdict, carry out power and control.
Preferably, described signal quality and level according to measurement report, determine that the step of initial court verdict specifically comprises:
According to measurement report, calculate respectively the mean value of its quality and level;
Mean value with signal quality and level compares with the threshold value that presets respectively, obtains the grade of this signal quality and level;
According to the grade of signal quality and level, determine initial court verdict.
Preferably, the court verdict that described basis is initial, determine that in conjunction with the coding adaptation court verdict step of final court verdict specifically comprises:
Obtain the coding adaptation court verdict;
Reducing if initial court verdict is power, judge that whether the coding adaptation court verdict is that coded system raises or the coded system of coded system after reducing and reducing do not satisfy Qos speed, is that final court verdict is that power is constant; Otherwise final court verdict is power to be reduced;
If initial court verdict is increased power, judge that whether the coding adaptation court verdict is that coded system raises or the coded system of coded system after reducing and reducing satisfies Qos speed, be that final court verdict is increased power; Otherwise final court verdict is that power is constant.
Preferably, the court verdict that described basis is initial, determine that in conjunction with the coding adaptation court verdict step of final court verdict also comprises:
If initial court verdict is that power is constant, determine that final court verdict is that power is constant.
Preferably, described according to described final court verdict, the step of carrying out power control is specially:
According to final court verdict, reduce mode of priority with speed mode of priority or power, power is controlled.
The device that the present invention also provides a kind of power to control comprises:
Initial court verdict acquisition module is used for signal quality and level according to measurement report, determines initial court verdict;
The final judging result acquisition module is used for according to initial court verdict, determines final court verdict in conjunction with the coding adaptation court verdict;
Power control module is used for according to described final court verdict, carries out power and controls.
Preferably, described initial court verdict acquisition module specifically comprises:
The mean value acquiring unit is used for according to measurement report, calculates respectively the mean value of its signal quality and level;
The grade acquiring unit is used for respectively the mean value of signal quality and level and the threshold value that presets being compared, and obtains the grade of this signal quality and level;
Initial court verdict determining unit is used for the grade according to signal quality and level, determines initial court verdict.
Preferably, described final judging result acquisition module specifically comprises:
Self-adaptive decision is acquiring unit as a result, is used for obtaining the coding adaptation court verdict;
The final judging result determining unit, be that power reduces if be used for initial court verdict, judging that whether the coding adaptation court verdict is that coded system raises or the coded system of coded system after reducing and reducing do not satisfy Qos speed, is that final court verdict is that power is constant; Otherwise final court verdict is power to be reduced; Also be used for,
If initial court verdict is increased power, judge that whether the coding adaptation court verdict is that coded system raises or the coded system of coded system after reducing and reducing satisfies Qos speed, be that final court verdict is increased power; Otherwise final court verdict is that power is constant.
Preferably, described final judging result determining unit also is used for:
If initial court verdict is that power is constant, determine that final court verdict is that power is constant.
Preferably, described power control module specifically is used for:
According to final court verdict, reduce mode of priority with speed mode of priority or power, power is controlled.
The court verdict that the court verdict that the present invention will obtain according to level and signal quality and coding adaptation adjustment obtain carries out combination, determine final power control court verdict, and carry out power according to this power control court verdict and control, thereby avoided power control improper and service rate is exerted an influence, thereby affected user's perceptibility.
Description of drawings
Fig. 1 is the schematic flow sheet of method one embodiment of power control of the present invention;
Fig. 2 obtains the schematic flow sheet of initial court verdict in method one embodiment that controls of power of the present invention;
Fig. 3 obtains the schematic flow sheet of final court verdict in method one embodiment that controls of power of the present invention;
Fig. 4 is the structural representation of device one embodiment of power control of the present invention;
Fig. 5 is the structural representation of initial court verdict acquisition module in device one embodiment that controls of power of the present invention;
Fig. 6 is the structural representation of final judging result acquisition module in device one embodiment that controls of power of the present invention.
The realization of the object of the invention, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Further illustrate technical scheme of the present invention below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is the schematic flow sheet of method one embodiment of power control of the present invention.
With reference to Fig. 1, the method that power of the present invention is controlled comprises the following steps:
Step S01, according to signal quality and the level of measurement report, determine initial court verdict;
This measurement report comprises the downlink data of base station transmission and the upstream data that mobile terminal sends, and these data comprise signal quality and level.According to measurement report, consider signal quality and level, determine initial court verdict, this initial court verdict comprises that power reduces, power is constant and increased power.
Step S02, according to initial court verdict, determine final court verdict in conjunction with the coding adaptation court verdict;
This coding adaptation court verdict is to adjudicate according to the actual mass of the business of measurement to obtain, and comprises that coded system raises, coded system is constant and coded system reduces.Then according to initial court verdict, determine final court verdict in conjunction with the coding adaptation court verdict then.Here need to prove, if when only having a court verdict to represent to need Modulating Power in initial court verdict and coding adaptation court verdict, power is adjusted.
Step S03, according to described final court verdict, carry out power and control.
According to final court verdict, carry out power and control.Particularly, power is controlled and is divided into speed mode of priority and power reduction mode of priority.For the speed mode of priority, only have when coded system during at MCS9 or CS4 power just can reduce, and for coded system CS4 and MCS9, a maximum power is set respectively and reduces thresholding; Reduce mode of priority for power, power can reduce under any coded system, reduces thresholding but for each coded system of CS1～MCS9, a maximum power is set all, the too much reduction of power when avoiding the power control judgement, thus guarantee quality of service.Therefore, according to final court verdict, reduce mode of priority at speed mode of priority or power, power is controlled.In control procedure, the maximum power that the power after assurance is adjusted is no more than this coded system reduces thresholding.
The court verdict that the court verdict that the embodiment of the present invention will obtain according to level and signal quality and coding adaptation adjustment obtain carries out combination, determine final power control court verdict, and carry out power according to this power control court verdict and control, thereby avoided power control improper and service rate is exerted an influence, thereby affected user's perceptibility.
With reference to Fig. 2, above-mentioned steps S01 specifically comprises:
Step S11, according to measurement report, calculate respectively the mean value of its signal quality and level;
According to measurement report, the mean value of signal quality and level during computation and measurement is reported respectively.These computational methods can according to all measurement reports, be calculated respectively the mean value of its signal quality and level; These computational methods can also be sampled from measurement report, and according to the measurement report of sampling, calculate respectively the mean value of its signal quality and level.
Step S12, respectively the mean value of signal quality and level and the threshold value that presets are compared, obtain the grade of this signal quality and level;
Particularly, the threshold value that presets can dynamically arrange as the case may be.In the present embodiment, the threshold value of signal quality with the signal quality that presets compared, obtain the grade of this signal quality, be respectively high, medium and low three kinds; Simultaneously the threshold value of level with the level that presets compared, obtain the grade of this level, be respectively high, medium and low three kinds.
Step S13, according to the grade of signal quality and level, determine initial court verdict.
Particularly, at first need set in advance the weight coefficient of signal quality and level, for example signal quality accounts for 60%, and level accounts for 40%, and the weight coefficient of signal quality is larger.Then consider the grade of signal quality and level, determine initial court verdict:
If the grade of signal quality and level is height, determine that initial court verdict is that power reduces; If it is low that the grade of signal quality and level is, determine that initial court verdict is increased power; During if the grade of signal quality and level is, determine that initial court verdict is that power is constant; If the grade of signal quality and level is different, the parameter larger according to weight coefficient determined initial court verdict, the grade of the parameter that for example weight coefficient is larger is high, determine that initial court verdict is that power reduces, the grade of the parameter that weight coefficient is larger is low, determine that initial court verdict is increased power, the grade of the parameter that weight coefficient is larger determines that initial court verdict is that power is constant in being.
With reference to Fig. 3, above-mentioned steps S03 specifically comprises:
Step S31, obtain the coding adaptation court verdict;
The coding adaptation court verdict judges according to the actual mass of measuring business and obtains, and comprises that coded system raises, coded system reduces and coded system is constant.Coded system can comprise ETSI (European Telecommunications Standards Institute, the European Telecommunication Standard agreement) four kinds of coded system CS1～CS4 of definition, and nine kinds of coded system MCS1～MCS9 of EDGE (Enhanced Data Rate for GSM Evolution, enhanced data rates for gsm evolution technology) definition etc.Different coded systems represents that the transmission rate of this channel is different.
If being power, reduces the initial court verdict of step S32, judge that whether the coding adaptation court verdict is that coded system raises or the coded system of coded system after reducing and reducing do not satisfy Qos (Quality of Service, service quality) speed is execution in step S36; Otherwise execution in step S33;
Step S33, determine that final court verdict is that power reduces;
If the initial court verdict of step S34 is increased power, judge that whether the coding adaptation court verdict is that coded system raises or the coded system of coded system after reducing and reducing satisfies Qos speed, be execution in step S35; Otherwise execution in step S36;
Step S35, determine that final court verdict is increased power;
Step S36, determine that final court verdict is that power is constant.
Above-mentioned steps S03 also comprises: if initial court verdict is that power is constant, determine that final court verdict is that power is constant.
Fig. 4 is the structural representation of device one embodiment of power control of the present invention.
With reference to Fig. 4, the device that power of the present invention is controlled comprises:
Initial court verdict acquisition module 10 is used for signal quality and level according to measurement report, determines initial court verdict;
Final judging result acquisition module 20 is used for according to initial court verdict, determines final court verdict in conjunction with the coding adaptation court verdict;
Initial court verdict acquisition module 10 considers signal quality and level according to measurement report, determines initial court verdict, and this initial court verdict comprises that power reduces, power is constant and increased power.This coding adaptation court verdict is to adjudicate according to the actual mass of the business of measurement to obtain, and comprises that coded system raises, coded system is constant and coded system reduces.Then, final judging result acquisition module 20 is determined final court verdict again according to initial court verdict in conjunction with the coding adaptation court verdict.At last, power control module 30 reduces mode of priority according to final court verdict at speed mode of priority or power, and power is controlled.In control procedure, the maximum power that the power after assurance is adjusted is no more than this coded system reduces thresholding.
The court verdict that the court verdict that the embodiment of the present invention will obtain according to level and signal quality and coding adaptation adjustment obtain carries out combination, determine final power control court verdict, and carry out power according to this power control court verdict and control, thereby avoided power control improper and service rate is exerted an influence, thereby affected user's perceptibility.
With reference to Fig. 5, above-mentioned initial court verdict acquisition module 10 specifically comprises:
Mean value acquiring unit 11 is used for according to measurement report, calculates respectively the mean value of its signal quality and level;
Initial court verdict determining unit 13 is used for the grade according to signal quality and level, determines initial court verdict.
Mean value acquiring unit 11 is according to measurement report, respectively the mean value of signal quality and level in the computation and measurement report.These computational methods can according to all measurement reports, be calculated respectively the mean value of its signal quality and level; These computational methods can also be sampled from measurement report, and according to the measurement report of sampling, calculate respectively the mean value of its signal quality and level.Grade acquiring unit 12 compares the threshold value of signal quality with the signal quality that presets, and obtains the grade of this signal quality, is respectively high, medium and low three kinds; Simultaneously the threshold value of level with the level that presets compared, obtain the grade of this level, be respectively high, medium and low three kinds.At last, initial court verdict determining unit 13 considers the grade of signal quality and level according to the signal quality that sets in advance and the weight coefficient of level, determines initial court verdict.Describe in said method about concrete definite process, just repeat no more at this.
With reference to Fig. 6, above-mentioned final judging result acquisition module 20 specifically comprises:
Self-adaptive decision is acquiring unit 21 as a result, is used for obtaining the coding adaptation court verdict;
Final judging result determining unit 22, be that power reduces if be used for initial court verdict, judging that whether the coding adaptation court verdict is that coded system raises or the coded system of coded system after reducing and reducing do not satisfy Qos speed, is that final court verdict is that power is constant; Otherwise final court verdict is power to be reduced; Also be used for,
If initial court verdict is increased power, judge that whether the coding adaptation court verdict is that coded system raises or the coded system of coded system after reducing and reducing satisfies Qos speed, be that final court verdict is increased power; Otherwise final court verdict is that power is constant; Also be used for,
If initial court verdict is that power is constant, determine that final court verdict is that power is constant.
Self-adaptive decision acquiring unit 21 as a result judges according to the actual mass of measuring business and obtains, and comprises that coded system raises, coded system reduces and coded system is constant.22 initial court verdicts of basis of final judging result determining unit in conjunction with the coding adaptation court verdict, are determined final court verdict.
The above is only the preferred embodiments of the present invention; not thereby limit its scope of the claims; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (10)
1. the method that power is controlled, is characterized in that, comprises the following steps:
According to signal quality and the level of measurement report, determine initial court verdict;
According to initial court verdict, determine final court verdict in conjunction with the coding adaptation court verdict;
According to described final court verdict, carry out power and control.
2. the method controlled of power according to claim 1 is characterized in that described signal quality and level according to measurement report determine that the step of initial court verdict specifically comprises:
According to measurement report, calculate respectively the mean value of its signal quality and level;
Mean value with signal quality and level compares with the threshold value that presets respectively, obtains the grade of this signal quality and level;
According to the grade of signal quality and level, determine initial court verdict.
3. the method controlled of power according to claim 2 is characterized in that the court verdict that described basis is initial determines that in conjunction with the coding adaptation court verdict step of final court verdict specifically comprises:
Obtain the coding adaptation court verdict;
Reducing if initial court verdict is power, judge that whether the coding adaptation court verdict is that coded system raises or the coded system of coded system after reducing and reducing do not satisfy Qos speed, is that final court verdict is that power is constant; Otherwise final court verdict is power to be reduced;
If initial court verdict is increased power, judge that whether the coding adaptation court verdict is that coded system raises or the coded system of coded system after reducing and reducing satisfies Qos speed, be that final court verdict is increased power; Otherwise final court verdict is that power is constant.
4. the method controlled of power according to claim 3 is characterized in that the court verdict that described basis is initial determines that in conjunction with the coding adaptation court verdict step of final court verdict also comprises:
If initial court verdict is that power is constant, determine that final court verdict is that power is constant.
5. the method that according to claim 1 to 4, the described power of any one is controlled is characterized in that, the court verdict that described basis is final, and the step of carrying out power control is specially:
According to final court verdict, reduce mode of priority with speed mode of priority or power, power is controlled.
6. the device that power is controlled, is characterized in that, comprising:
Initial court verdict acquisition module is used for signal quality and level according to measurement report, determines initial court verdict;
The final judging result acquisition module is used for according to initial court verdict, determines final court verdict in conjunction with the coding adaptation court verdict;
Power control module is used for according to described final court verdict, carries out power and controls.
7. the device of power control according to claim 6, is characterized in that, described initial court verdict acquisition module specifically comprises:
The mean value acquiring unit is used for according to measurement report, calculates respectively the mean value of its signal quality and level;
The grade acquiring unit is used for respectively the mean value of signal quality and level and the threshold value that presets being compared, and obtains the grade of this signal quality and level;
Initial court verdict determining unit is used for the grade according to signal quality and level, determines initial court verdict.
8. the device of power control according to claim 7, is characterized in that, described final judging result acquisition module specifically comprises:
Self-adaptive decision is acquiring unit as a result, is used for obtaining the coding adaptation court verdict;
The final judging result determining unit, be that power reduces if be used for initial court verdict, judging that whether the coding adaptation court verdict is that coded system raises or the coded system of coded system after reducing and reducing do not satisfy Qos speed, is that final court verdict is that power is constant; Otherwise final court verdict is power to be reduced; Also be used for,
If initial court verdict is increased power, judge that whether the coding adaptation court verdict is that coded system raises or the coded system of coded system after reducing and reducing satisfies Qos speed, be that final court verdict is increased power; Otherwise final court verdict is that power is constant.
9. the device of power control according to claim 8, is characterized in that, described final judging result determining unit also is used for:
If initial court verdict is that power is constant, determine that final court verdict is that power is constant.
10. the device that according to claim 6 to 9, the described power of any one is controlled is characterized in that, described power control module specifically is used for:
According to final court verdict, reduce mode of priority with speed mode of priority or power, power is controlled.
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| CN201110422360.7A CN103167596B (en) | 2011-12-16 | 2011-12-16 | The method and device of Power Control |
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| CN201110422360.7A CN103167596B (en) | 2011-12-16 | 2011-12-16 | The method and device of Power Control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108770055A (en) * | 2018-06-12 | 2018-11-06 | Oppo广东移动通信有限公司 | Transmission power adjustment method, device and electronic device |
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| CN101527944A (en) * | 2008-03-05 | 2009-09-09 | 中兴通讯股份有限公司 | Switching method and base station based on adaptive modulation coding |
| CN101754345A (en) * | 2009-12-29 | 2010-06-23 | 华为技术有限公司 | Control method of transmitting power and communication equipment |
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| US20040100911A1 (en) * | 2002-11-25 | 2004-05-27 | Raymond Kwan | Method for link adaptation |
| CN101106398A (en) * | 2006-07-14 | 2008-01-16 | 华为技术有限公司 | Self-adapted communication control method and system |
| CN101527944A (en) * | 2008-03-05 | 2009-09-09 | 中兴通讯股份有限公司 | Switching method and base station based on adaptive modulation coding |
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| CN103167596B (en) | 2018-03-30 |
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