CN104469922A - Wireless transmitting power adjusting method and system - Google Patents
Wireless transmitting power adjusting method and system Download PDFInfo
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- CN104469922A CN104469922A CN201410837380.4A CN201410837380A CN104469922A CN 104469922 A CN104469922 A CN 104469922A CN 201410837380 A CN201410837380 A CN 201410837380A CN 104469922 A CN104469922 A CN 104469922A
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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
- H04W52/0209—Power saving arrangements in terminal devices
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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
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
Abstract
The invention discloses a wireless transmitting power adjusting method. The method includes the steps that A, when a wireless transmitting power adjusting command is received, a power adjusting interval corresponding to the current data transmission rate is acquired, and the preset power value in the power adjusting interval is called as the current power value; B, data transmission is conducted according to the current power value, and the current throughput capacity is determined; C, the current power value is adjusted according to the preset increment value, the adjusted power value serves as the current power value, and the step B continues being executed till the difference value between one power value and the boundary value of the power adjusting interval is smaller than or equal to the preset value; D, when the preset value is 0 or the preset value is larger than 0 and the different value is 0, the power value corresponding to the throughput rate meeting the preset condition serves as the current power transmitting value, wherein the preset condition is that the throughput rate is matched with the preset throughput rate. The invention further discloses a power transmitting power adjusting system. Energy consumption of a terminal is saved.
Description
Technical field
The present invention relates to field of wireless transmission, particularly relate to radio transmitted power control method and system.
Background technology
Existing Radio Transmission Technology, if transmission rate is constant in wireless transmission process, is all that the transmitting power that current transmission rate is corresponding is launched, can not automatically adjusts transmitting power size according to the distance of terminal distance hotspot.And when terminal distance hotspot is nearer, terminal adopts less transmitting power to carry out transfer of data can meet performance requirement, the mode that current employing constant power is launched causes the energy consumption of terminal larger.
Foregoing, only for auxiliary understanding technical scheme of the present invention, does not represent and admits that foregoing is prior art.
Summary of the invention
Main purpose of the present invention is to propose a kind of radio transmitted power control method and system, is intended to solve the technical problem that in wireless transmission process, energy consumption is larger.
For achieving the above object, a kind of radio transmitted power control method provided by the invention, described radio transmitted power control method comprises the following steps:
A, when receiving radio transmitted power regulating command, obtain power adjustments corresponding to current data transfer rate interval, and the predetermined power value called in described power adjustments interval is as current power value;
B, carry out transfer of data to determine current throughput according to described current power value;
C, according to preset increments value, described current power value to be regulated, using the performance number after adjustment as current power value, continue to perform step B, until there is the difference between the boundary value in performance number and described power adjustments interval to be less than or equal to preset value, wherein said preset value is less than or equal to described increment size;
D, when preset value is 0, or when preset value is greater than 0 and described difference is 0, using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
Preferably, described when receiving radio transmitted power regulating command, the power adjustments obtained corresponding to current data transfer rate is interval, and before the step of the predetermined power value called in described power adjustments interval as current power value, radio transmitted power control method also comprises:
When radio communication is opened, or when current data transfer rate changes, or after running prefixed time interval according to current data transfer rate, trigger described radio transmitted power regulating command.
Preferably, when described predetermined power value is the minimum value in described power adjustments interval, described step C comprises:
Preset increments value is increased to described current power value, using the performance number after adjustment as current power value, continue to perform step B, until the difference between the maximum in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
Preferably, when described predetermined power value is the maximum in described power adjustments interval, described step C comprises:
Preset increments value is deducted to described current power value, using the performance number after adjustment as current power value, continue to perform step B, until the difference between the minimum value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
Preferably, when described predetermined power value is the median in described power adjustments interval, described step C comprises:
According to the first increment size preset, described current power value is regulated, using the performance number after adjustment as current power value, continue to perform step B, until the absolute value of difference is less than or equal to preset value between the first boundary value in current power value and described power adjustments interval, wherein said preset value is less than or equal to described increment size;
According to the second increment size preset, described predetermined power value is regulated, using the performance number after adjustment as current power value, continue to perform step B, until the difference between the Second Edge dividing value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
Preferably, after described step C, described radio transmitted power control method comprises:
When preset value is greater than 0 and described difference is not 0, obtain the boundary value of never call in described power adjustments interval;
Using the boundary value that gets as current power value, carry out transfer of data to determine current throughput according to described current power value;
Using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
In addition, the present invention also proposes a kind of radio transmitted power regulating system for achieving the above object, and described radio transmitted power control method system comprises:
Acquisition module, for when receiving radio transmitted power regulating command, the power adjustments obtained corresponding to current data transfer rate is interval, and the predetermined power value called in described power adjustments interval is as current power value;
Throughput calculation module, for carrying out transfer of data to determine current throughput according to described current power value;
Adjustment module, for regulating described current power value according to preset increments value, and using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module, continue to regulate described current power value according to preset increments value, until there is difference between the boundary value in performance number and described power adjustments interval to be less than or equal to preset value, wherein said preset value is less than or equal to described increment size;
Processing module, for when preset value is 0, or when preset value is greater than 0 and described difference is 0, using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
Preferably, described radio transmitted power regulating system also comprises:
Trigger module, for when radio communication is opened, or when current data transfer rate changes, or after running prefixed time interval according to current data transfer rate, triggers described radio transmitted power regulating command.
Preferably, when described predetermined power value is the minimum value in described power adjustments interval, described adjustment module is also for increasing preset increments value to described current power value, and using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module, continue to increase preset increments value to described current power value, until the difference between the maximum in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
Preferably, when described predetermined power value is the maximum in described power adjustments interval, described adjustment module, also for deducting preset increments value to described current power value, using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module, continue to deduct preset increments value to described current power value, until the difference between the minimum value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
Preferably, when described predetermined power value is the median in described power adjustments interval, described adjustment module comprises:
First regulon, for regulating described current power value according to the first increment size preset, using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module, continue to increase by the first increment size to described current power value, until the difference between the first boundary value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size;
Second regulon, for regulating described predetermined power value according to the second increment size preset, using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module, continue to deduct the second increment size to described current power value, until the difference between the Second Edge dividing value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
Preferably, described acquisition module, also for be greater than 0 at preset value and described difference is not 0 time, obtain the boundary value of never call in described power adjustments interval; Described throughput calculation module, also for the boundary value that will get as current power value, carry out transfer of data to determine current throughput according to described current power value; Described processing module, also for the performance number that will meet corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
The radio transmitted power control method that the present invention proposes and system.When receiving radio transmitted power regulating command, interval according to the power adjustments corresponding to current data transfer rate, and the performance number in described power adjustments interval is sampled, and the throughput that the performance number obtaining each sampling is corresponding, to pre-conditioned throughput be met as current current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput, by calculating, the throughput of each performance number is compared, optimum power value can be obtained, to save the energy consumption of terminal.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of radio transmitted power control method of the present invention preferred embodiment;
Fig. 2 is the high-level schematic functional block diagram of radio transmitted power regulating system of the present invention preferred embodiment.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of radio transmitted power control method.
With reference to the schematic flow sheet that Fig. 1, Fig. 1 are radio transmitted power control method of the present invention preferred embodiment.
The present embodiment proposes a kind of radio transmitted power control method, and described radio transmitted power control method comprises:
Step S10, when receiving radio transmitted power regulating command, the power adjustments obtained corresponding to current data transfer rate is interval, and the predetermined power value called in described power adjustments interval is as current power value;
In the present embodiment, described radio transmitted power regulating command triggers by various ways, as comprised before step S10: when radio communication is opened, or when current data transfer rate changes, or after running prefixed time interval according to current data transfer rate, trigger described radio transmitted power regulating command.When each radio communication is opened, when namely entering wireless connecting function, current radio transmitted power can be redefined, all regulate according to the distance between terminal and hotspot to make each radio transmitted power.
Mapping relations between predeterminable transmission rate and power adjustments adjustable range, and based on the mapping relations between the transmission rate preset and power adjustments interval, determine that the power adjustments corresponding to current transmission rate is interval.This predetermined power value can be set by developer, can be the boundary value in described power adjustments interval, also can be a certain median in power adjustments interval, such as, mean value between the maxima and minima in power adjustments interval.
Step S20, carries out transfer of data to determine current throughput according to described current power value;
In the present embodiment, the mode of the throughput of computing terminal is prior art, does not repeat them here.
Step S30, according to preset increments value, described current power value is regulated, using the performance number after adjustment as current power value, continue to perform step S20, until there is the difference between the boundary value in performance number and described power adjustments interval to be less than or equal to preset value, wherein said preset value is less than or equal to described increment size;
According to preset increments value, described current power value is regulated, using the performance number after regulating as after current power value, when difference between current power value and the boundary value in described power adjustments interval is greater than preset value, continue to perform step S20, when difference between current power value and the boundary value in described power adjustments interval is less than or equal to preset value, perform step S40.
In the present embodiment, this increment size be on the occasion of.Have multiple according to preset increments value to the mode that described current power value regulates, specific embodiment is as follows:
1) the first embodiment, when described predetermined power value is the minimum value in described power adjustments interval, described step S30 comprises:
Preset increments value is increased to described current power value, using the performance number after adjustment as current power value, continue to perform step S20, until the difference between the maximum in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
In the present embodiment, when the power adjustments interval of presetting is [a, b], and when increment size is x, this minimum value is a, can first using a as current power value, obtain the throughput that current performance number is corresponding, and this added value increased to current performance number, namely current power value is a+x, and calculate current throughput according to transmitting power a+x, the like, until the difference between current a+nx and b is less than preset value.
2) the first embodiment, when described predetermined power value is the maximum in described power adjustments interval, described step S30 comprises:
Preset increments value is deducted to described current power value, using the performance number after adjustment as current power value, continue to perform step S20, until the difference between the minimum value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
In the present embodiment, when the power adjustments interval of presetting is [a, b], and when increment size is x, this maximum is b, can first using b as current power value, obtain the throughput that current performance number is corresponding, and this added value increased to current performance number, namely current power value is b-x, and calculate current throughput according to transmitting power b-x, the like, until the difference between current b-nx and a is less than preset value.
3) the 3rd embodiment, when described predetermined power value is the median in described power adjustments interval, described step S30 comprises:
According to the first increment size preset, described current power value is regulated, using the performance number after adjustment as current power value, continue to perform step S20, until the absolute value of difference is less than or equal to preset value between the first boundary value in current power value and described power adjustments interval, wherein said preset value is less than or equal to described increment size;
According to the second increment size preset, described predetermined power value is regulated, using the performance number after adjustment as current power value, continue to perform step S20, until the difference between the Second Edge dividing value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
In the present embodiment, this first increment size and the second increment size can identical also can be different.When first boundary value is the maximum in described power adjustments interval, Second Edge dividing value is the minimum value in described power adjustments interval; When first boundary value is the minimum value in described power adjustments interval, Second Edge dividing value is the maximum in described power adjustments interval.
Scheme one: in the present embodiment, the power adjustments interval of presetting is [a, b] time, and the first increment size is when being x, this median is c, and a<c<b, can first using c as current power value, obtain the throughput that current performance number is corresponding, and to increase this first increment size to current performance number c be x, namely current power value is c+x, and calculates current throughput according to transmitting power c+x, the like, until the difference between current c+nx and b is less than preset value; Then, deducting the second increment size to performance number c is y, and namely current power value is c-y, and calculates current throughput according to transmitting power c-y, the like, until the difference between current c-ny and a is less than preset value.Scheme two: in the present embodiment, then, the power adjustments interval of presetting is [a, b] time, and the first increment size is when being x, this median is c, and a<c<b, can first using c as current power value, obtain the throughput that current performance number is corresponding, deducting the first increment size to current power value c is x, namely current power value is c-x, and calculate current throughput according to transmitting power c-x, the like, until the difference between current c-nx and a is less than preset value; And performance number c increases by the second increment size is y, namely current power value is c+y, and calculates current throughput according to transmitting power c+y, the like, until the difference between current c+ny and b is less than preset value.
That enumerates above is only only exemplary according to preset increments value to the mode that described current power value regulates; those skilled in the art utilize technological thought of the present invention; other modes regulated described current power value according to preset increments value proposed according to its real needs, all in protection scope of the present invention, are not carried out exhaustive one by one at this.
Step S40, when preset value is 0, or when preset value is greater than 0 and described difference is 0, using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
In the present embodiment, when this preset value is 0, when namely having performance number equal with the boundary value in described power adjustments interval, using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value.
Also step is comprised after it will be appreciated by persons skilled in the art that described step S30:
When preset value is greater than 0 and described difference is not 0, obtain the boundary value of never call in described power adjustments interval;
Using the boundary value that gets as current power value, carry out transfer of data to determine current throughput according to described current power value;
Using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
In the present embodiment, when the power adjustments interval of presetting is [a, b], be a during predetermined power, and increment size is when being x, when difference between a+nx and b is less than preset value, then performance number b is not called, using performance number b as current power value, obtain the throughput that current performance number is corresponding, using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput; Be b when predetermined power, and increment size is when being x, when difference between b-nx and a is less than preset value, then performance number a is not called, using performance number a as current power value, obtain the throughput that current performance number a is corresponding, and using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
The radio transmitted power control method that the present embodiment proposes, when receiving radio transmitted power regulating command, interval according to the power adjustments corresponding to current data transfer rate, and the performance number in described power adjustments interval is sampled, and the throughput that the performance number obtaining each sampling is corresponding, to pre-conditioned throughput be met as current current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput, by calculating, the throughput of each performance number is compared, optimum power value can be obtained, to save the energy consumption of terminal.
The present invention further provides a kind of radio transmitted power regulating system.
With reference to the high-level schematic functional block diagram that Fig. 2, Fig. 2 are radio transmitted power regulating system of the present invention preferred embodiment.
It is emphasized that, to one skilled in the art, functional block diagram shown in Fig. 2 is only the exemplary plot of a preferred embodiment, and those skilled in the art, around the functional module of the radio transmitted power regulating system shown in Fig. 2, can carry out supplementing of new functional module easily; The title of each functional module is self-defined title, only for auxiliary each program function block understanding this radio transmitted power regulating system, be not used in and limit technical scheme of the present invention, the core of technical solution of the present invention is, the function that the functional module of respective define name will be reached
The present embodiment proposes a kind of radio transmitted power regulating system, and described radio transmitted power regulating system comprises:
Acquisition module 10, for when receiving radio transmitted power regulating command, the power adjustments obtained corresponding to current data transfer rate is interval, and the predetermined power value called in described power adjustments interval is as current power value;
In the present embodiment, described radio transmitted power regulating command triggers by various ways, described radio transmitted power regulating system also comprises trigger module, for when radio communication is opened, or when current data transfer rate changes, or after running prefixed time interval according to current data transfer rate, trigger described radio transmitted power regulating command.When each radio communication is opened, when namely entering wireless connecting function, current radio transmitted power can be redefined, all regulate according to the distance between terminal and hotspot to make each radio transmitted power.
Mapping relations between predeterminable transmission rate and power adjustments adjustable range, acquisition module 10 is based on the mapping relations between the transmission rate preset and power adjustments interval, and the power adjustments obtained corresponding to current transmission rate is interval.This predetermined power value can be set by developer, can be the boundary value in described power adjustments interval, also can be a certain median in power adjustments interval, such as, mean value between the maxima and minima in power adjustments interval.
Throughput calculation module 20, for carrying out transfer of data to determine current throughput according to described current power value;
In the present embodiment, the mode of the throughput of computing terminal is prior art, does not repeat them here.
Adjustment module 30, for regulating described current power value according to preset increments value, and using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module 20, continue to regulate described current power value according to preset increments value, until there is difference between the boundary value in performance number and described power adjustments interval to be less than or equal to preset value, wherein said preset value is less than or equal to described increment size;
In the present embodiment, this increment size be on the occasion of.Have multiple according to preset increments value to the mode that described current power value regulates, specific embodiment is as follows:
1) the first embodiment, when described predetermined power value is the minimum value in described power adjustments interval, described adjustment module 30 is also for increasing preset increments value to described current power value, and using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module 20, continue to increase preset increments value to described current power value, until the difference between the maximum in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
In the present embodiment, when the power adjustments interval of presetting is [a, b], and when increment size is x, this minimum value is a, can first using a as current power value, obtain the throughput that current performance number is corresponding, and this added value increased to current performance number, namely current power value is a+x, and calculate current throughput according to transmitting power a+x, the like, until the difference between current a+nx and b is less than preset value.
2) the first embodiment, when described predetermined power value is the maximum in described power adjustments interval, described adjustment module 30, also for deducting preset increments value to described current power value, using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module 20, continue to deduct preset increments value to described current power value, until the difference between the minimum value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
In the present embodiment, when the power adjustments interval of presetting is [a, b], and when increment size is x, this maximum is b, can first using b as current power value, obtain the throughput that current performance number is corresponding, and this added value increased to current performance number, namely current power value is b-x, and calculate current throughput according to transmitting power b-x, the like, until the difference between current b-nx and a is less than preset value.
3) the 3rd embodiment, when described predetermined power value is the median in described power adjustments interval, described adjustment module 30 comprises:
First regulon, for regulating described current power value according to the first increment size preset, using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module, continue to increase by the first increment size to described current power value, until the difference between the first boundary value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size;
Second regulon, for regulating described predetermined power value according to the second increment size preset, using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module, continue to deduct the second increment size to described current power value, until the difference between the Second Edge dividing value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
In the present embodiment, this first increment size and the second increment size can identical also can be different.When first boundary value is the maximum in described power adjustments interval, Second Edge dividing value is the minimum value in described power adjustments interval; When first boundary value is the minimum value in described power adjustments interval, Second Edge dividing value is the maximum in described power adjustments interval.
Scheme one: in the present embodiment, the power adjustments interval of presetting is [a, b] time, and the first increment size is when being x, this median is c, and a<c<b, can first using c as current power value, obtain the throughput that current performance number is corresponding, and to increase this first increment size to current performance number c be x, namely current power value is c+x, and calculates current throughput according to transmitting power c+x, the like, until the difference between current c+nx and b is less than preset value; Then, deducting the second increment size to performance number c is y, and namely current power value is c-y, and calculates current throughput according to transmitting power c-y, the like, until the difference between current c-ny and a is less than preset value.Scheme two: in the present embodiment, then, the power adjustments interval of presetting is [a, b] time, and the first increment size is when being x, this median is c, and a<c<b, can first using c as current power value, obtain the throughput that current performance number is corresponding, deducting the first increment size to current power value c is x, namely current power value is c-x, and calculate current throughput according to transmitting power c-x, the like, until the difference between current c-nx and a is less than preset value; And performance number c increases by the second increment size is y, namely current power value is c+y, and calculates current throughput according to transmitting power c+y, the like, until the difference between current c+ny and b is less than preset value.
That enumerates above is only only exemplary according to preset increments value to the mode that described current power value regulates; those skilled in the art utilize technological thought of the present invention; other modes regulated described current power value according to preset increments value proposed according to its real needs, all in protection scope of the present invention, are not carried out exhaustive one by one at this.
Processing module 40, for when preset value is 0, or when preset value is greater than 0 and described difference is 0, using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
In the present embodiment, when this preset value is 0, when namely having performance number equal with the boundary value in described power adjustments interval, using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value.
It will be appreciated by persons skilled in the art that, described acquisition module, also for be greater than 0 at preset value and described difference is not 0 time, obtain the boundary value of never call in described power adjustments interval; Described throughput calculation module, also for the boundary value that will get as current power value, carry out transfer of data to determine current throughput according to described current power value; Described processing module, also for the performance number that will meet corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
In the present embodiment, when the power adjustments interval of presetting is [a, b], be a during predetermined power, and increment size is when being x, when difference between a+nx and b is less than preset value, then performance number b is not called, using performance number b as current power value, obtain the throughput that current performance number is corresponding, using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput; Be b when predetermined power, and increment size is when being x, when difference between b-nx and a is less than preset value, then performance number a is not called, using performance number a as current power value, obtain the throughput that current performance number a is corresponding, and using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
The radio transmitted power regulating system that the present embodiment proposes, when receiving radio transmitted power regulating command, interval according to the power adjustments corresponding to current data transfer rate, and the performance number in described power adjustments interval is sampled, and the throughput that the performance number obtaining each sampling is corresponding, to pre-conditioned throughput be met as current current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput, by calculating, the throughput of each performance number is compared, optimum power value can be obtained, to save the energy consumption of terminal.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (12)
1. a radio transmitted power control method, is characterized in that, described radio transmitted power control method comprises the following steps:
A, when receiving radio transmitted power regulating command, obtain power adjustments corresponding to current data transfer rate interval, and the predetermined power value called in described power adjustments interval is as current power value;
B, carry out transfer of data to determine current throughput according to described current power value;
C, according to preset increments value, described current power value to be regulated, using the performance number after adjustment as current power value, continue to perform step B, until there is the difference between the boundary value in performance number and described power adjustments interval to be less than or equal to preset value, wherein said preset value is less than or equal to described increment size;
D, when preset value is 0, or when preset value is greater than 0 and described difference is 0, using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
2. radio transmitted power control method as claimed in claim 1, it is characterized in that, described when receiving radio transmitted power regulating command, the power adjustments obtained corresponding to current data transfer rate is interval, and before the step of the predetermined power value called in described power adjustments interval as current power value, radio transmitted power control method also comprises:
When radio communication is opened, or when current data transfer rate changes, or after running prefixed time interval according to current data transfer rate, trigger described radio transmitted power regulating command.
3. radio transmitted power control method as claimed in claim 1 or 2, it is characterized in that, when described predetermined power value is the minimum value in described power adjustments interval, described step C comprises:
Preset increments value is increased to described current power value, using the performance number after adjustment as current power value, continue to perform step B, until the difference between the maximum in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
4. radio transmitted power control method as claimed in claim 1 or 2, it is characterized in that, when described predetermined power value is the maximum in described power adjustments interval, described step C comprises:
Preset increments value is deducted to described current power value, using the performance number after adjustment as current power value, continue to perform step B, until the difference between the minimum value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
5. radio transmitted power control method as claimed in claim 1 or 2, it is characterized in that, when described predetermined power value is the median in described power adjustments interval, described step C comprises:
According to the first increment size preset, described current power value is regulated, using the performance number after adjustment as current power value, continue to perform step B, until the absolute value of difference is less than or equal to preset value between the first boundary value in current power value and described power adjustments interval, wherein said preset value is less than or equal to described increment size;
According to the second increment size preset, described predetermined power value is regulated, using the performance number after adjustment as current power value, continue to perform step B, until the difference between the Second Edge dividing value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
6. radio transmitted power control method as claimed in claim 1, it is characterized in that, after described step C, described radio transmitted power control method comprises:
When preset value is greater than 0 and described difference is not 0, obtain the boundary value of never call in described power adjustments interval;
Using the boundary value that gets as current power value, carry out transfer of data to determine current throughput according to described current power value;
Using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
7. a radio transmitted power regulating system, is characterized in that, described radio transmitted power control method system comprises:
Acquisition module, for when receiving radio transmitted power regulating command, the power adjustments obtained corresponding to current data transfer rate is interval, and the predetermined power value called in described power adjustments interval is as current power value;
Throughput calculation module, for carrying out transfer of data to determine current throughput according to described current power value;
Adjustment module, for regulating described current power value according to preset increments value, and using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module, continue to regulate described current power value according to preset increments value, until there is difference between the boundary value in performance number and described power adjustments interval to be less than or equal to preset value, wherein said preset value is less than or equal to described increment size;
Processing module, for when preset value is 0, or when preset value is greater than 0 and described difference is 0, using the performance number that meets corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
8. radio transmitted power regulating system as claimed in claim 7, it is characterized in that, described radio transmitted power regulating system also comprises:
Trigger module, for when radio communication is opened, or when current data transfer rate changes, or after running prefixed time interval according to current data transfer rate, triggers described radio transmitted power regulating command.
9. wireless power regulating system as claimed in claims 6 or 7, it is characterized in that, when described predetermined power value is the minimum value in described power adjustments interval, described adjustment module is also for increasing preset increments value to described current power value, and using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module, continue to increase preset increments value to described current power value, until the difference between the maximum in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
10. radio transmitted power regulating system as claimed in claims 6 or 7, it is characterized in that, when described predetermined power value is the maximum in described power adjustments interval, described adjustment module, also for deducting preset increments value to described current power value, using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module, continue to deduct preset increments value to described current power value, until the difference between the minimum value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
11. radio transmitted power control methods as claimed in claim 7 or 8, is characterized in that, when described predetermined power value is the median in described power adjustments interval, described adjustment module comprises:
First regulon, for regulating described current power value according to the first increment size preset, using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module, continue to increase by the first increment size to described current power value, until the difference between the first boundary value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size;
Second regulon, for regulating described predetermined power value according to the second increment size preset, using the performance number after adjustment as current power value, and to carry out transfer of data according to described current power value with after determining current throughput in throughput calculation module, continue to deduct the second increment size to described current power value, until the difference between the Second Edge dividing value in current power value and described power adjustments interval is less than or equal to preset value, wherein said preset value is less than or equal to described increment size.
12. radio transmitted power regulating systems as claimed in claim 7, is characterized in that, described acquisition module, also for be greater than 0 at preset value and described difference is not 0 time, obtain the boundary value of never call in described power adjustments interval; Described throughput calculation module, also for the boundary value that will get as current power value, carry out transfer of data to determine current throughput according to described current power value; Described processing module, also for the performance number that will meet corresponding to pre-conditioned throughput as current transmit power value, wherein, described pre-conditioned be that described throughput mates with default throughput.
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| CN104469922B (en) | 2016-08-24 |
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