CN105933968A - Adaptation method and device of transmitting power of wireless communication equipment - Google Patents

Adaptation method and device of transmitting power of wireless communication equipment Download PDF

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Publication number
CN105933968A
CN105933968A CN201610221378.3A CN201610221378A CN105933968A CN 105933968 A CN105933968 A CN 105933968A CN 201610221378 A CN201610221378 A CN 201610221378A CN 105933968 A CN105933968 A CN 105933968A
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success rate
transmission success
power value
sampled power
module
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CN105933968B (en
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杨富华
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Allwinner Technology Co Ltd
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Allwinner Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/24TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/24TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention provides an adaptation method and device of the transmitting power of wireless communication equipment. The method includes the following steps of: sampling step: a transmitting success rate is sampled with a preset sampling power value; optimal transmitting success rate acquisition step: an optimal transmitting success rate is acquired according to the transmitting success rate; and transmitting power determining step: and signal transmitting work is carried out according to transmitting power corresponding to the optimal transmitting success rate. The adaptation device includes a sampling module, an optimal transmitting success rate acquisition module and a transmitting power determining module; and the optimal transmitting success rate acquisition module includes a transmitting success rate acquisition module and an optimal transmitting success rate selection module, wherein the optimal transmitting success rate selection module includes a sampling power value adjustment increase module, an optimal transmitting success rate confirmation module, a sampling power value adjustment reduction module, an anomaly processing module and a judgment module. The adaptation method and device of the invention can adjust signal transmitting power according to real-time environment change, and can optimize the transmitting power of the equipment and ensure the transmitting success rate.

Description

Adaptive approach and the device thereof of power launched by a kind of wireless telecommunications system
Technical field
The present invention relates to wireless communication field, concrete, relate to a kind of wireless telecommunications system and launch adaptive approach and the device of application the method for power.
Background technology
In the prior art, TPC agreement defined in ieee standard, for being controlled launching power, it is achieved similar functions.But owing to TPC belongs to closed loop control, needing receiving-transmitting sides to realize this agreement could be the most effective the most simultaneously.Find through investigation, existing most of Wireless Telecom Equipments do not realize TPC agreement, therefore, is difficult to enough meet the control requirement of transmitting power by realizing TPC agreement.It addition, in some technical schemes, exist and lay particular emphasis on reduction power consumption and cause poor-performing in some cases, or real-time is inadequate, it is impossible to adapt to the change of environment, or to situations such as lower power consumption are inconspicuous.
For Wireless Telecom Equipment, performance and power consumption are very important parameter indexs, particularly important for the handheld device big to volume of transmitted data.Launching power is the key factor affecting the two parameter index, and the two index exists the relation of contradiction to a certain extent.In theory, launching power the biggest, the signal that receiver receives is the strongest, sends success rate the biggest, and performance is the best, but power consumption is bigger;Launching power the least, the signal that receiver receives is the most weak, sends success rate the lowest, and performance is the poorest, but power consumption is less.In addition, performance also with transmission signal quality, the interference of environment, the length of distance has the biggest relation.Under many circumstances, what environmental disturbances and distance all can be real-time changes, and therefore, how power is launched in the control of dynamic realtime, obtains preferable performance and power consumption seems extremely important in the environment of change.
Summary of the invention
The main object of the present invention is to provide a kind of change that can rapidly adapt to environment, and dynamic realtime adjusts wireless telecommunications system and launches the adaptive approach of power.
It is a further object of the present invention to provide a kind of change that can rapidly adapt to environment, dynamic realtime adjusts wireless telecommunications system and launches the self-reacting device of power.
In order to realize above-mentioned main purpose, the present invention provides a kind of wireless telecommunications system to launch the adaptive approach of power, and this self adaptation includes sampling step, samples to sending success rate with default sampled power value;Obtain optimal transmission success rate step, most preferably send success rate according to sending success rate acquisition;Determine transmitting power step, carry out signal transmitting work according to the optimal transmitting power sending success rate corresponding.
From such scheme, the adaptive approach of the present invention is sampled to sending success rate with default transmitting power automatically by equipment, the transmission success rate being affected the change by environment monitors in real time, and the adjustment of power is carried out launching according to real-time environmental change so that equipment is operated in optimum state.
In one scheme, sampled power value includes the first sampled power value, the second sampled power value and the 3rd sampled power value.Obtain the optimal step sending success rate to include sending success rate obtaining step, obtain the first transmission success rate according to the first sampled power value, obtain the second transmission success rate according to the second sampled power value, obtain the 3rd transmission success rate according to the 3rd sampled power value;Choose optimal transmission success rate step, send success rate, the second transmission success rate and the 3rd transmission success rate according to first and select and most preferably send success rate.
From such scheme, utilizing three the sampled power values preset to obtain the transmission success rate of correspondence, equipment can obtain current environment and the current working condition launched under power in real time, and can process accordingly according to these situations.
Preferably in scheme, the first sampled power value is equal with the difference of the 3rd sampled power value with the difference of the second sampled power value and the second sampled power value.
As can be seen here, the sampling interval of three sampled points is equal, and the sampling of the communication apparatus that can make is more easily implemented.
Further in scheme, choose the optimal success rate step that sends and include:
Judge that whether the first transmission success rate is less than the second transmission success rate;If the first transmission success rate is less than the second transmission success rate, then judge whether the second transmission success rate is less than the 3rd and sends success rate;If the second transmission success rate is less than the 3rd transmission success rate, then adjusting sampled power increases with preset value.
If the second transmission success rate is more than or equal to the 3rd transmission success rate, then send success rate using second and as optimal transmission success rate and keep present sample power.
If the first transmission success rate is more than or equal to the second transmission success rate, then judge whether the second transmission success rate is more than the 3rd and sends success rate;If the second transmission success rate is more than the 3rd transmission success rate, then adjust sampled power and reduce with preset value;If the second transmission success rate is less than or equal to the 3rd transmission success rate, then judge that the first transmission success rate, the second transmission success rate and the 3rd transmission success rate are the most equal;As equal in the first transmission success rate, the second transmission success rate and the 3rd transmission success rate, then adjust sampled power and reduce with preset value.
As unequal in the first transmission success rate, the second transmission success rate and the 3rd transmission success rate, then it is judged as abnormality and keeps present sample performance number.
From such scheme, by sending success rate, the second transmission success rate and the comparison of the 3rd transmission success rate to first, the available variation tendency launching power and the relation curve sending success rate under the present circumstances, and then understand being sized of adjustment sampled power value.By to adjusting the adjustment of sampled power value, and repeat sampling so that second sends success rate gradually approaches and most preferably send success rate under current environment, and then communication equipment can send the transmitting power corresponding to success rate according to second and be adjusted.
In order to realize above-mentioned another object, the present invention provides a kind of wireless telecommunications system to launch the self-reacting device of power, and it includes sampling module, samples to sending success rate with default sampled power value;Obtain and most preferably send success rate module, most preferably send success rate according to sending success rate acquisition;Determine transmitting power model, carry out signal transmitting work according to the optimal transmitting power sending success rate corresponding.
From such scheme, cause sending success rate to change therewith due to the real-time transform of environment, in the self adaptation equipment of the present invention, wireless telecommunications system can make the adjustment to signal transmission power according to real-time environmental change, the transmitting power consumption of equipment is greatly reduced when environment is preferable, ensure the preferable performance of equipment when environment is poor, the transmitting power of equipment can be optimized, can guarantee that again transmission success rate simultaneously.
In concrete scheme, sampled power value includes the first sampled power value, the second sampled power value and the 3rd sampled power value, and the first sampled power value is less than the second sampled power value, and the second sampled power value is less than the 3rd sampled power value.Obtain the optimal success rate module that sends to include sending success rate acquisition module, obtain the first transmission success rate according to the first sampled power value, obtain the second transmission success rate according to the second sampled power value, obtain the 3rd transmission success rate according to the 3rd sampled power value;Choose and most preferably send success rate module, send success rate, the second transmission success rate and the 3rd transmission success rate according to first and select and most preferably send success rate.
From such scheme, this self-reacting device may utilize the transmission success rate corresponding to 3 transmitted power samples, to obtain the transmission success rate under real time environment, and according to constantly sample and adjust launch power sampling, it is thus achieved that optimal transmission success rate.
More specifically in scheme, choose the optimal success rate module that sends and include:
Judge module, for judging that whether the first transmission success rate is less than the second transmission success rate, judge that whether the second transmission success rate is less than the 3rd transmission success rate, judge that the second transmission success rate is whether more than the 3rd transmission success rate, it is judged that first send success rate with, second send success rate and the 3rd transmission success rate is the most equal;
Increasing sampled power value adjusting module, adjusting sampled power increases with preset value;
The optimal success rate that sends confirms module, using the second transmission success rate as most preferably sending success rate, and keeps present sample power;
Reduce sampled power value adjusting module, adjust sampled power and reduce with preset value;
Abnormality processing module, it is judged that for abnormality and keep present sample performance number.
As can be seen here, by the continuous sampling to the transmission success rate under current environment, make the second transmission success rate be maintained at and most preferably send success rate, and then make communication device works in optimum Working.
Accompanying drawing explanation
Fig. 1 is the structured flowchart that the self-reacting device embodiment of power launched by wireless telecommunications system of the present invention.
Fig. 2 is that wireless telecommunications system of the present invention is launched in the self-reacting device embodiment of power and chosen the optimal structured flowchart sending success rate module.
Fig. 3 is to launch power P and the relation curve schematic diagram sent between success rate Q during the effect only considering EVM factor.
Fig. 4 is to launch power P and the relation curve schematic diagram sent between success rate Q during the effect only considering SNR factor.
Power P and the relation curve schematic diagram sent between success rate Q is launched when Fig. 5 is EVM factor and SNR combined factors effect.
Launch power P when Fig. 6 is EVM factor and SNR combined factors effect and send the associated change curve synoptic diagram of relation curve between success rate Q.
Launch power P when Fig. 7 is EVM factor and SNR combined factors effect and send a kind of schematic diagram of relation curve between success rate Q.
Launch power P when Fig. 8 is EVM factor and SNR combined factors effect and send the another kind of schematic diagram of relation curve between success rate Q.
Launch power P when Fig. 9 is EVM factor and SNR combined factors effect and send the another kind of schematic diagram of relation curve between success rate Q.
Launch power P when Figure 10 is EVM factor and SNR combined factors effect and send the schematic diagram of multiple relation curve between success rate Q.
Figure 11 is the flow chart that the adaptive approach embodiment of power launched by wireless telecommunications system of the present invention.
Figure 12 is that wireless telecommunications system is launched in the adaptive approach embodiment of power and chosen the optimal flow chart sending success rate step.
Below in conjunction with drawings and Examples, the invention will be further described.
Detailed description of the invention
As depicted in figs. 1 and 2, Fig. 1 is the structured flowchart that the self-reacting device embodiment of power launched by wireless telecommunications system of the present invention.Fig. 2 is that wireless telecommunications system of the present invention is launched in the self-reacting device embodiment of power and chosen the optimal structured flowchart sending success rate module.The self-reacting device of power launched by the wireless telecommunications system that the present invention provides is to run software program in a wireless communication device, and this device includes sampling module 1, obtains optimal transmission success rate module 2 and determine transmitting power model 5.Obtain most preferably transmission success rate module 2 include transmission success rate acquisition module 3 and choose optimal transmission success rate module 4, wherein choose most preferably transmission success rate module 4 and include increasing sampled power value adjusting module 6, optimal transmission success rate confirmation module 7, minimizing sampled power value adjusting module 8, abnormality processing module 9 and judge module 10.
In order to be better understood from the effect of the present invention, introduce the relation sending success rate and launching between power first below, wherein send success rate=100%-Packet Error Ratio.
It is launch party signal EVM and recipient signal SNR that impact sends the principal element of success rate, launch party signal EVM is mainly relevant with transmitter characteristic and transmitting power, unrelated with environment, and recipient signal SNR mainly with the signal intensity of recipient, environment at the bottom of make an uproar etc. relevant.Wherein, EVM refers to error vector magnitude, for weighing the quality of transmitting information.SNR is signal to noise ratio, owing to weighing the accuracy of reception information.Discuss separately below and individually and under comprehensive function, launch power and the relation sending success rate in EVM and SNR factor.
Power P and the relation curve schematic diagram sent between success rate Q is launched when being the effect only considering EVM factor with reference to Fig. 3, Fig. 3.When only considering the effect of EVM, increasing when launching power, the EVM value launching signal can increase accordingly, and the increase of EVM value shows the degradation of signal, sends success rate and reduces.When EVM is in certain scope, if the quality of signal is the best, send success rate changed by EVM value affected relatively small, but the continuous increase along with EVM value, transmission success rate is affected by EVM value can be increasing, and when exceeding certain threshold value, sending success rate can drastically decline.Therefore, launch power P and the relation curve sent between success rate Q can qualitative be as shown in Figure 3.For specific hardware model, this relation curve is moved substantially without the change along with environment.
Power P and the relation curve schematic diagram sent between success rate Q is launched when being the effect only considering SNR factor with reference to Fig. 4, Fig. 4.When only considering the effect of SNR factor, increasing when launching power, the signal intensity of recipient can increase accordingly, and the SNR value of signal also can increase accordingly, and the probability that recipient is just properly received is the biggest, i.e. sends success rate the biggest.When SNR is smaller, recipient is more sensitive to SNR, i.e. SNR is bigger on the impact sending success rate, and when SNR has been increased sufficiently to, the impact sending success rate is slowed down by SNR relatively.Launch power P and the relation curve sent between success rate Q can qualitative be as shown in Figure 4.When environment changes, this relation curve can move left and right along with the change of environment.
Power P and the relation curve schematic diagram sent between success rate Q is launched when being EVM factor and SNR combined factors effect with reference to Fig. 5, Fig. 5.When EVM and SNR combined factors effect, if launching power P is a value, the value at EVM curve is Q1, and slope is-k1 (k1 > 0);Value on SNR curve is Q2, and slope is k2 (k2 > 0);Success rate under EVM and SNR combined factors effect is Q.The signal demand of one frame sends successfully, must simultaneously meet certain EVM value and SNR value, say, that EVM value and SNR value be with relation, again because their dependency is smaller, the EVM value of transmitting signal is independent of mutually with external environmental noise, it is possible to think that they are the most independent.Therefore, according to probability statistics, send success rate Q=Q1*Q2.
When launching power and increasing Δ P, if the value that Q1 increases is-Δ 1, the value that Q2 increases is Δ 2, wherein Δ 1 > 0, Δ 2 > 0, then Q=(Q1-Δ 1) * (Q2+ Δ 2)=Q1*Q2+Q1* Δ 2-Q2* Δ 1-Δ 1* Δ 2, so, Δ Q=Q1* Δ 2-Q2* Δ 1-Δ 1* Δ 2, available through conversion, Δ Q=((1-Δ 1/ Δ 2)-(1-Q1/Q2+ Δ 2/Q2))/(Q2* Δ 2).
Be located at transmitting power P when B point, two curve intersections, i.e. Q1=Q2;Transmitting power P is when A point, and EVM slope of a curve is-k1, and SNR slope of a curve is k2, and k1=k2, it is assumed that A point is on the left of B point, as shown in Figure 5.
See and launch power P when Fig. 6, Fig. 6 are EVM factor and SNR combined factors effect and send the associated change curve synoptic diagram of relation curve between success rate Q.If change function f1=1-Δ 1/ Δ 2, then P is when A point, because Δ 1=k1* Δ P, Δ 2=k2* Δ P, so Δ 1=Δ 2, then f1=0.At P during A point moves to B point, due to EVM slope of a curve monotonic increase, SNR slope of a curve monotone decreasing, then Δ 1 increases and Δ 2 reduces, thus on the right side of A point, f1 < 0 and monotone decreasing, the f1 curve as described in Fig. 6.If change function f2=1-Q1/Q2+ Δ 2/Q2, then P is when A point, Q1>Q2, but Δ 2 take sufficiently small time, have f2<0.At P during A point moves to B point, Q1 successively decreases, and Q2 is incremented by, and when arriving B point, f2=Δ 2/Q2 infinitely trends towards 0.So on the left of B point, f2 < 0 and monotonic increase, the f2 curve as described in Fig. 6.
Can obtain through conversion above, Δ Q=(f1-f2)/(Q2* Δ 2).In fig. 6 it can be seen that f1 and f2 curve must intersect at certain point, remember that this point is C point, then when C point, Δ Q=0;On the left of C point, Δ Q > 0;On the right side of C point, Δ Q < 0.
Therefore, it can prove, in interval [A, B], there is 1 C so that the EVM&SNR curve monotonic increase on the left of C point in P, the EVM&SNR curve monotone decreasing on the right side of C point, and the maximum that Q-value is curve that C point is corresponding.
Likewise it is possible to prove, if A point is on the right side of B point, P can find 1 C in interval [B, A], meets above-mentioned conclusion.Launch power P when being EVM factor and SNR combined factors effect with reference to Fig. 7, Fig. 7 and send a kind of schematic diagram of relation curve between success rate Q.EVM&SNR curve is the dashed curve in Fig. 7, if A point and B point overlap, then the C point meeting above-mentioned conclusion also can be with A, B 2 coincidence.
See and launch power P when Fig. 8, Fig. 8 are EVM factor and SNR combined factors effect and send the another kind of schematic diagram of relation curve between success rate Q.In a practical situation, if EVM or SNR is the best, Q1 or Q2 value may will not change again, and therefore the P-Q curve of EVM factor and the P-Q curve of SNR factor are it is possible that situation as shown in Figure 8.In this case, as shown in dashed curve, the P-Q curve of EVM&SNR is in interval [A, B], and Q-value is the most equal.
It should be strongly noted that see Fig. 9, launch power P when Fig. 9 is EVM factor and SNR combined factors effect and send the another kind of schematic diagram of relation curve between success rate Q.When environment becomes very severe, causing undue the moving to right of SNR curve, EVM curve and SNR curve not to have intersection point, at this moment, whatsoe'er selection P point, sending success rate Q is all 0.In this case, special handling need to be done, select default value or the maximum of P.In general, within the maximum of P value is limited to EVM curve.
By above analysis, it is known that transmission success rate Q under EVM and SNR comprehensive function and some characteristics of relation curve of launching between power P, these characteristics can be summarized as (special circumstances not considering in Fig. 9): at a time, one interval [A of the existence of this curve, B], the P value in this interval can make Q-value maximum, particularly, when A and B overlaps, have and only one of which maximum;The leftmost curve monotonic increase in this interval, right side graph monotone decreasing.
See and launch power P when Figure 10, Figure 10 are EVM factor and SNR combined factors effect and send the schematic diagram of multiple relation curve between success rate Q.In actual utilization, environment is real-time change, accordingly, send success rate Q and the relation curve launched between power P also can real-time change, as shown in a, b, c curve in Figure 10, also have multiple change the most in actual applications.The self-reacting device of the present invention carries out sampling adjustment according to above-mentioned transmission success rate Q and the real-time relationship curve launched between power P, and finally obtain current real time environment most preferably launches power.
Below in conjunction with Figure 11 and Figure 12, the workflow of the self-reacting device that power launched by wireless telecommunications system of the present invention is described.
It is the flow chart that the adaptive approach embodiment of power launched by wireless telecommunications system of the present invention with reference to Figure 11, Figure 11.When Wireless Telecom Equipment sends information, sampling step S1 is performed including sampling module 1, sample to sending success rate with default sampled power value, sampled power value includes the first sampled power value, the second sampled power value and the 3rd sampled power value, first sampled power value is less than the second sampled power value, second sampled power value is less than the 3rd sampled power value, and the first sampled power value is equal with the difference of the 3rd sampled power value with the difference of the second sampled power value and the second sampled power value.Utilizing three the sampled power values preset to obtain the transmission success rate of correspondence, equipment can obtain current environment and the current working condition launched under power in real time, and can process accordingly according to these situations.Additionally, the sampling interval of three sampled points is equal, the sampling of the communication apparatus that can make is more easily implemented.
Then obtain and most preferably send success rate module 2 execution acquisition optimal transmission success rate step S2, most preferably send success rate according to sending success rate acquisition.In obtaining optimal transmission success rate module 2, first, send success rate acquisition module 3 to perform to send success rate obtaining step S21, the first transmission success rate is obtained according to the first sampled power value, obtain the second transmission success rate according to the second sampled power value, obtain the 3rd transmission success rate according to the 3rd sampled power value.Then, choose optimal transmission success rate module 4 execution and choose optimal transmission success rate step S22, send success rate, the second transmission success rate and the 3rd transmission success rate according to first and select and most preferably send success rate.
It is that the adaptive approach embodiment of wireless telecommunications system transmitting power chooses the optimal flow chart sending success rate step with reference to Figure 12, Figure 12.In choosing optimal transmission success rate module 4, first, it is determined that module 10 performs step S4, it is judged that whether first send success rate less than the second transmission success rate.As first sends success rate less than the second transmission success rate, it is judged that module 10 then performs step S5, it is judged that whether second send success rate less than the 3rd transmission success rate;If the second transmission success rate is less than the 3rd transmission success rate, increase sampled power value adjusting module 6 then performs sampled power increase step S6 adjustment sampled power to be increased with preset value.As first sends success rate less than the second transmission success rate, and second send success rate more than or equal to the 3rd transmission success rate, the most most preferably send success rate and confirm that module 7 performs output and most preferably sends success rate step S7, using the second transmission success rate as most preferably sending success rate, and keep present sample power.See Figure 10, fall on the maximum of b curve if current second sends success rate, now, by statistical information obtain the first transmission success rate and the 3rd send success rate will than second send success rate little, it can be determined that go out P axial coordinate B point corresponding to the second transmission success rate be exactly current device selection most preferably launch power.Therefore, the second position sending success rate will not be moved.When environment improves, b curve will be changed to a curve, and three transmission power levels on b curve correspond to three transmission power levels on a curve.On a curve, first sends success rate > the second transmission success rate > the 3rd transmission success rate, it can be determined that the A coordinate that the peak of a curve is corresponding should be in the left side of B coordinate, and therefore, sampled point should progressively be moved to the left.
After judge module 10 performs step S4, as first sends success rate more than or equal to the second transmission success rate, then judge module 10 performs step S8, judge that whether the second transmission success rate is more than the 3rd transmission success rate, as second sends success rate more than the 3rd transmission success rate, then reduce sampled power value adjusting module 8 and perform sampled power value minimizing step S9, adjust sampled power and reduce with preset value.Seeing Figure 10, when environment becomes severe, b curve will be changed to c curve, and three transmission power levels on b curve correspond to three transmission power levels on c curve.On c curve, first sends success rate, and < second sends success rate, and < the 3rd sends success rate, it can be determined that the C coordinate that the peak of c curve is corresponding should be in the left side of B coordinate, and therefore, sampled point should progressively move right.If P-Q curve exists in interval [A, B]: first sends success rate=the second transmission success rate=3rd sends success rate.Then on the premise of ensureing that Packet Error Ratio do not improves, sampled point can carry out moving to left and reduces transmitting power consumption, and < second sends success rate=3rd sends success rate finally to make the first transmission success.
As second sends success rate less than or equal to the 3rd transmission success rate, then judge module 10 performs step S10, judge that the first transmission success rate, the second transmission success rate and the 3rd transmission success rate are the most equal, as equal in the first transmission success rate, the second transmission success rate and the 3rd transmission success rate, then reduce sampled power value adjusting module 8 and perform sampled power value minimizing step S11, adjust sampled power and reduce with preset value.As first sends success rate more than or equal to the second transmission success rate, second sends success rate less than or equal to the 3rd transmission success rate, and first send success rate, second send success rate and the 3rd send success rate unequal, then abnormality processing module 9 performs to keep present sample performance number step S11, it is judged that for abnormality and keep present sample performance number.
Choose the optimal success rate module 4 that sends by sending success rate, the second transmission success rate and the comparison of the 3rd transmission success rate to first, the available variation tendency launching power and the relation curve sending success rate under the present circumstances, and then understand being sized of adjustment sampled power value.By to adjusting the adjustment of sampled power value, and repeat sampling so that second sends success rate gradually approaches and most preferably send success rate under current environment.
See Fig. 1, after acquisition optimal transmission success rate module 2 obtains optimal transmission success rate, send most preferably sending success rate to determining transmitting power model 5, launch power model 5 and perform to determine transmitting power step S3, carry out signal transmitting work according to the optimal transmitting power sending success rate corresponding.Certainly, the sampling of the self-reacting device of the present invention is a continual process, no matter obtains whether the optimal success rate module 2 that sends can obtain in once sampling and most preferably send success rate, all can perform to continue sampling, to adapt to the continuous conversion of environment.
In actual application, due to the real-time transform of environment, the transmitting power of signal is caused to change therewith with sending success rate.Use the equipment wireless telecommunications system of the present invention, the adjustment to signal transmission power can be made according to real-time environmental change, the transmitting power consumption of equipment is greatly reduced when environment is preferable, the preferable performance of equipment is ensured when environment is poor, the transmitting power of equipment can be optimized, can guarantee that again transmission success rate simultaneously.
It should be noted that these are only the preferred embodiments of the present invention, but the design concept of invention is not limited thereto, and all insubstantial modifications utilizing this design to make the present invention, within also each falling within protection scope of the present invention.

Claims (10)

1. the adaptive approach of a wireless telecommunications system transmitting power, it is characterised in that including:
Sampling step, samples to described transmission success rate with default sampled power value;
Obtain optimal transmission success rate step, obtain described optimal transmission success rate according to described transmission success rate;
Determine transmitting power step, carry out signal transmitting work according to the transmitting power that described optimal transmission success rate is corresponding.
Adaptive approach the most according to claim 1, it is characterised in that:
Described sampled power value includes the first sampled power value, the second sampled power value and the 3rd sampled power value, and described first sampled power value is less than described second sampled power value, and described second sampled power value is less than described 3rd sampled power value;
The step obtaining described optimal transmission success rate includes:
Send success rate obtaining step, obtain the first transmission success rate according to described first sampled power value, obtain the second transmission success rate according to described second sampled power value, obtain the 3rd transmission success rate according to described 3rd sampled power value;
Choose optimal transmission success rate step, send success rate, described second transmission success rate and described 3rd transmission success rate according to described first and select described optimal transmission success rate.
Adaptive approach the most according to claim 2, it is characterised in that:
Described first sampled power value is equal with the difference of described 3rd sampled power value with the difference of described second sampled power value and described second sampled power value.
4. according to the adaptive approach described in Claims 2 or 3, it is characterised in that:
Choose described optimal transmission success rate step to include:
Judge that described first sends whether success rate sends success rate less than described second;
As described in described first transmission success rate is less than, second sends success rate, then judge that whether described second send success rate less than described 3rd transmission success rate;
As described in described second transmission success rate is less than, the 3rd sends success rate, then adjusting sampled power increases with preset value.
Adaptive approach the most according to claim 4, it is characterised in that:
The step choosing described optimal transmission success rate also includes:
As described in described second transmission success rate is more than or equal to, the 3rd sends success rate, then send success rate using described second and as described optimal transmission success rate and keep presently described sampled power.
Adaptive approach the most according to claim 5, it is characterised in that:
The step choosing described optimal transmission success rate also includes:
As described in described first transmission success rate is more than or equal to, second sends success rate, then judge that whether described second send success rate more than described 3rd transmission success rate;
As described in described second transmission success rate is more than, the 3rd sends success rate, then adjust sampled power and reduce with described preset value;
As described in described second transmission success rate is less than or equal to, the 3rd sends success rate, then judge that described first transmission success rate, described second transmission success rate and described 3rd transmission success rate are the most equal;
Described first send success rate, as described in second send success rate and as described in the 3rd send success rate equal, then adjust sampled power reduce with described preset value.
Adaptive approach the most according to claim 6, it is characterised in that:
The step choosing described optimal transmission success rate also includes:
Described first send success rate, as described in second send success rate and as described in the 3rd send success rate unequal, then be judged as abnormality and keep present sample performance number.
8. the self-reacting device of a wireless telecommunications system transmitting power, it is characterised in that: include
Sampling module, samples to described transmission success rate with default sampled power value;
Obtain and most preferably send success rate module, obtain described optimal transmission success rate according to described transmission success rate;
Determine transmitting power model, carry out signal transmitting work according to the transmitting power that described optimal transmission success rate is corresponding.
Self-reacting device the most according to claim 8, it is characterised in that:
Described sampled power value includes the first sampled power value, the second sampled power value and the 3rd sampled power value, and described first sampled power value is less than described second sampled power value, and described second sampled power value is less than described 3rd sampled power value;
Described acquisition most preferably sends success rate module and includes:
Send success rate acquisition module, obtain the first transmission success rate according to described first sampled power value, obtain the second transmission success rate according to described second sampled power value, obtain the 3rd transmission success rate according to described 3rd sampled power value;
Choose and most preferably send success rate module, send success rate, described second transmission success rate and described 3rd transmission success rate according to described first and select described optimal transmission success rate.
The adaptive approach of power launched by wireless telecommunications system the most according to claim 9, it is characterised in that:
Choose the optimal success rate module that sends also to include:
Judge module, is used for judging that described first sends whether success rate sends success rate less than described second;Judge that described second sends whether success rate sends success rate less than the described 3rd;Judge that described second sends whether success rate sends success rate more than the described 3rd;Judge that described first transmission success rate, described second transmission success rate and described 3rd transmission success rate are the most equal;
Increasing sampled power value adjusting module, adjusting sampled power increases with preset value;
The optimal success rate that sends confirms module, using described second transmission success rate as described optimal transmission success rate, and keeps presently described sampled power;
Reduce sampled power value adjusting module, adjust sampled power and reduce with described preset value;
Abnormality processing module, it is judged that for abnormality and keep present sample performance number.
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