CN108271205A - A kind of inner-loop power control evaluation method and device - Google Patents

Abstract

The present invention discloses a kind of inner-loop power control evaluation method and device.Wherein, the method includes：Obtain the multiple target SINR and inner ring SINR for based on the target SINR obtain after inner-loop power control；If the target SINR is fixed value, is calculated according to the target SINR and inner ring SINR and obtain improved mean square deviation；The inner-loop power control is evaluated according to the improved mean square deviation and first threshold；If the target SINR is changing value, is calculated according to the target SINR and inner ring SINR and obtain degree of fitting；The inner-loop power control is evaluated according to the degree of fitting and second threshold.Described device is used to perform the above method.Inner-loop power control evaluation method provided by the invention and device, by obtaining multiple target SINR and inner ring SINR, it calculates the difference of target SINR and inner ring SINR and is compared the difference results of calculating with threshold value, inner-loop power control is evaluated in realization, so as to learn the effect of inner-loop power control.

Description

A method and device for evaluating inner loop power control

technical field

The present invention relates to the technical field of mobile communication, in particular to an inner loop power control evaluation method and device.

Background technique

In recent years, the advancement of information technology has driven the rapid development of mobile communication, which has penetrated into all aspects of industry, business and personal life.

Power control is an important content for mobile communication. Uplink closed-loop power control is used to adjust the transmission power of user equipment on the uplink channel, such as mobile phones, including outer-loop power control and inner-loop power control. The existing technologies basically focus on the research of specific power control algorithms. In the uplink closed-loop power control, the outer loop power control algorithm is responsible for determining the control target: Signal to Interference plus Noise Ratio (SINR for short), and the inner loop power control is responsible for achieving the control target. If there is a problem with the inner loop power control, the target SINR determined by the outer loop power control cannot be achieved. Even if the SINR obtained by the outer loop power control algorithm is reasonable and the performance is superior, it cannot be realized.

Therefore, how to propose a method capable of evaluating the effect of the inner loop power control has become an important issue to be solved urgently in the industry.

Contents of the invention

Aiming at the defects in the prior art, the present invention provides an inner loop power control evaluation method and device.

On the one hand, the present invention proposes an inner loop power control evaluation method, including:

Obtaining a plurality of target SINRs and an inner loop SINR obtained after performing inner loop power control based on the target SINRs;

If the target SINR is a fixed value, calculating and obtaining an improved mean square error according to the target SINR and the inner loop SINR; evaluating the inner loop power control according to the improved mean square error and a first threshold;

If the target SINR is a variable value, calculating a fitting degree according to the target SINR and the inner-loop SINR; and evaluating the inner-loop power control according to the fitting degree and a second threshold.

In another aspect, the present invention provides an inner loop power control evaluation device, comprising:

A data acquisition unit, configured to obtain a plurality of target SINRs and an inner loop SINR obtained after performing inner loop power control based on the target SINR;

A first calculation unit, configured to calculate and obtain an improved mean square error according to the target SINR and the inner loop SINR if the target SINR is a fixed value;

A first evaluation unit, configured to evaluate the inner loop power control according to the improved mean square error and a first threshold;

The second calculation unit is used to calculate and obtain the fitting degree according to the target SINR and the inner loop SINR if the target SINR is a variable value;

A second evaluation unit, configured to evaluate the inner loop power control according to the fitting degree and a second threshold.

The inner-loop power control evaluation method and device provided by the present invention can obtain multiple target SINRs and inner-loop SINRs, by calculating the difference between the target SINR and the inner-loop SINR and comparing the calculated difference results with the threshold value, the inner-loop The power control is evaluated to know the effect of the inner loop power control.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic flow diagram of an evaluation method for inner loop power control according to an embodiment of the present invention;

Fig. 2 is a SINR convergence curve diagram of an embodiment of the present invention;

Fig. 3 is a SINR fitting curve diagram of an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of an inner loop power control evaluation device according to an embodiment of the present invention;

Fig. 5 is a schematic structural diagram of an inner loop power control evaluation device according to another embodiment of the present invention;

FIG. 6 is a schematic diagram of the physical structure of an inner loop power control evaluation device according to an embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the present invention Examples, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Fig. 1 is a schematic flow chart of an inner loop power control evaluation method according to an embodiment of the present invention. As shown in Fig. 1, the inner loop power control evaluation method provided by the present invention includes:

S101. Obtain a plurality of target SINRs and an inner loop SINR obtained after performing inner loop power control based on the target SINRs;

Specifically, the inner-loop power control evaluation apparatus may obtain a plurality of target SINRs through the base station, and the target SINRs are obtained after the base station performs outer-loop power control. The apparatus may also obtain an inner-loop SINR through the base station, where the inner-loop SINR is obtained after the base station performs inner-loop power control according to the target SINR.

S102. If the target SINR is a fixed value, calculate an improved mean square error according to the target SINR and the inner loop SINR; evaluate the inner loop power control according to the improved mean square error and a first threshold ;

Specifically, when the target SINR obtained by the device is a fixed value, such as 10dB, 15dB, 20dB, etc., then the device calculates and obtains an improved mean square error according to the target SINR and the inner loop SINR. For example, according to the formula Calculate the improved mean square error, SINR _stdev represents the improved mean square error, SINR _{t arg et} represents the target SINR, SINR _inner (i) represents the i-th inner ring SINR, i, n are positive integers and i is less than or equal to n. After calculating the improved mean square error, the device evaluates the inner loop power control according to the improved mean square error and a first threshold, for example, combining the calculated improved mean square error with the first threshold A threshold value is compared, and the inner loop power control is evaluated according to the comparison result. Wherein, the first threshold is set according to actual conditions, and is not limited in this embodiment of the present invention.

S103. If the target SINR is a variable value, calculate a fitting degree according to the target SINR and the inner-loop SINR; evaluate the inner-loop power control according to the fitting degree and a second threshold.

Specifically, when the target SINR obtained by the device is a variable value, for example, the target SINR changes continuously within 0dB to 30dB, the device calculates and obtains the fitting degree according to the target SINR and the inner loop SINR , and evaluate the inner loop power control according to the fitting degree and the second threshold. For example, the fitting degree obtained through calculation is compared with the second threshold, and the inner loop power control is evaluated according to the comparison result. Wherein, the second threshold is set according to actual conditions, which is not limited in this embodiment of the present invention.

The inner-loop power control evaluation method provided by the present invention can obtain multiple target SINRs and inner-loop SINRs, by calculating the difference between the target SINR and the inner-loop SINR and comparing the calculated difference results with the threshold value, the inner-loop power control can be realized. Evaluate to know the effect of inner loop power control.

On the basis of the above embodiments, further, calculating and obtaining an improved mean square error according to the target SINR and the inner loop SINR includes:

According to the formula Calculate the mean square error of the improvement, wherein SINR _stdev represents the improved mean square error, SINR _{t arg et} represents the target SINR, SINR _inner (i) represents the i-th inner ring SINR, and i, n are positive Integer and i is less than or equal to n.

Specifically, when the target SINR obtained by the inner-loop power control evaluation device is a fixed value, the target SINR is represented by SINR _{targ et} ; meanwhile, n inner-loop SINRs can be collected, and the i-th The inner-loop SINRs are represented by SINR _inner (i), and the SINR _inner (i) is obtained after performing inner-loop power control based on SINR _{targ et} . Calculate the improved mean square error SINR _stdev according to the following formula:

Wherein, i and n are positive integers and i is less than or equal to n. It can be understood that the more data collected, that is, the larger n is, the more accurate the calculated mean square error of the improvement is.

Fig. 2 is the SINR convergence curve diagram of an embodiment of the present invention, as shown in Fig. 2, described target SINR is 20dB, the inner ring SINR fluctuation of curve A is big, the inner ring SINR fluctuation of curve B is little, the convergence of described curve B performance is better than the curve A.

The inner-loop power control evaluation method provided by the present invention can obtain multiple target SINRs and inner-loop SINRs, by calculating the difference between the target SINR and the inner-loop SINR and comparing the calculated difference results with the threshold value, the inner-loop power control can be realized. Evaluate to know the effect of inner loop power control. By giving the specific calculation formula of the improved mean square error, it is beneficial to quickly obtain the improved mean square error.

On the basis of the above embodiments, further, the calculating and obtaining the fitting degree according to the target SINR and the inner loop SINR includes:

According to the formula The degree of fit is obtained by calculation, wherein Fit represents the degree of fit, SINR _{t arg et (i)} represents the i-th target SINR, SINR _inner (i) represents the i-th inner ring SINR, i, n is a positive integer and i is less than or equal to n.

Specifically, the inner-loop power control evaluation device can collect two sets of data at the same time: one set of data is the target SINR, the i-th target SINR is represented by SINR _{targ et} (i), and the other set of data is the target SINR. The inner loop SINR is described, and the i-th inner loop SINR is represented by SINR _inner (i), and SINR _inner (i) is obtained after inner loop power control based on SINR _{t arg et} (i), and each group collects n data ;According to the principle of the least square method, the fitting degree Fit is calculated according to the following formula:

Wherein, i and n are positive integers and i is less than or equal to n. It can be understood that the more data collected, that is, the larger n is, the more accurate the calculated fitting degree is.

FIG. 3 is a SINR fitting curve diagram of an embodiment of the present invention. As shown in FIG. 3 , the inner ring SINR follows the change of the target SINR well, and the fitting degree is high.

On the basis of the above embodiments, further, the evaluating the inner loop power control according to the improved mean square error and the first threshold includes:

If it is determined that the mean square error of the improvement is greater than the first threshold, then there is a problem with the inner loop power control;

If it is determined that the mean square error of the improvement is less than or equal to the first threshold, the inner loop power control is normal.

Specifically, the inner loop power control evaluation device compares the calculated improved mean square error with the first threshold, and if the improved mean square error is greater than the first threshold, the inner loop SINR does not converge, There is a problem with the inner loop power control; if the mean square error of the improvement is less than or equal to the first threshold, it means that the inner loop SINR is converged, and the inner loop power control is normal. Wherein, the first threshold is determined according to the specific system and application environment, and generally takes a value less than or equal to 2. It can be understood that, the smaller the value of the first threshold is, the more precise the inner loop power control is.

On the basis of the above embodiments, further, the evaluating the inner loop power control according to the fitting degree and the second threshold includes:

If it is determined that the fitting degree is greater than the second threshold, then there is a problem with the inner loop power control;

If it is determined that the fitting degree is less than or equal to the second threshold, the inner loop power control is normal.

Specifically, the inner-loop power control evaluation device compares the degree of fit obtained through calculation with the second threshold, and if the degree of fit is greater than the second threshold, it indicates that the inner-loop SINR is not very good. following the target SINR, there is a problem with the inner loop power control; if the fitting degree is less than or equal to the second threshold, it means that the inner loop SINR can fit the target SINR well, and the inner loop Ring power control is normal. Wherein, the second threshold is determined according to a specific system and application environment, and generally takes a value less than or equal to 3. It can be understood that, the smaller the value of the second threshold is, the more precise the inner loop power control is.

On the basis of the above embodiments, further, the inner loop power control evaluation method provided by the present invention further includes:

When a problem occurs in the inner loop power control, acquire a TPC value corresponding to the inner loop SINR;

If it is judged that the inner loop SINR and the TPC value satisfy the first preset condition, it is determined that the base station causes a problem with the inner loop power control; otherwise, it determines that the mobile terminal causes a problem with the inner loop power control; wherein , the first preset condition is: when the TPC value is the first set value, the inner loop SINR remains unchanged; when the TPC value is the second set value, the inner loop SINR is less than the upper One said SINR; when said TPC value is a third set value, said inner loop SINR is greater than the last said inner loop SINR; or

When a problem occurs in the inner loop power control, acquire the TPC value corresponding to the inner loop SINR and the transmit power of the mobile terminal;

If it is determined that the TPC value and the transmit power of the mobile terminal meet the second preset condition, it is determined that the base station causes a problem with the inner loop power control; otherwise, it is determined that the mobile terminal causes the inner loop power control A problem occurs in the control; wherein, the second preset condition is: when the TPC value is the first set value, the transmit power of the mobile terminal remains unchanged; the TPC value is the second set value When the TPC value is the third set value, the transmit power of the mobile terminal is lower than the transmit power of the previous mobile terminal; when the TPC value is the third set value, the transmit power of the mobile terminal is greater than the transmit power of the previous mobile terminal.

Specifically, when the inner-loop power control evaluation device confirms that there is a problem with the inner-loop power control, the inner-loop SINR may be obtained by the base station and the base station corresponding to the inner-loop SINR may issue an A command to increase, decrease or maintain the transmission power (Transmission Power Control, hereinafter referred to as TPC), the command is usually represented by a numerical value, hereinafter referred to as TPC value. Then, the device judges whether the inner loop SINR and the corresponding TPC value meet the first preset condition, and if the inner loop SINR and the TPC value meet the first preset condition, it can be determined It is the base station that causes the problem of the inner loop power control; if the inner loop SINR and the TPC do not meet the first preset condition, it can be determined that the mobile terminal causes the problem of the inner loop power . The first preset condition is: when the TPC value is a first set value, the first set value indicates that the transmit power of the mobile terminal remains unchanged, and the inner loop SINR remains unchanged; When the TPC value is the second set value, the second set value means reducing the transmit power of the mobile terminal, and the inner loop SINR is smaller than the previous SINR, that is, the inner loop SINR is decreasing Trend; when the TPC value is the third set value, the third set value means increasing the transmit power of the mobile terminal, and the inner loop SINR is greater than the previous SINR, that is, the inner loop SINR Upward trend. or

When the inner-loop power control evaluating device confirms that there is a problem with the inner-loop power control, the base station may obtain the TPC value corresponding to the inner-loop SINR and the transmit power of the mobile terminal. Then, the device judges whether the TPC value and the transmit power of the mobile terminal meet a second preset condition, and if the TPC value and the transmit power of the mobile terminal meet the second preset condition, it can be determined that It is the base station that causes a problem with the inner loop power control; if the TPC value and the transmit power of the mobile terminal do not meet the second preset condition, it can be determined that the mobile terminal caused the inner loop power control problem appear. The second preset condition is: when the TPC value is the first set value, the transmission power of the mobile terminal remains unchanged; when the TPC value is the second set value, the The transmit power of the mobile terminal is smaller than the previous transmit power of the mobile terminal, that is, the transmit power of the mobile terminal is in a downward trend; when the TPC value is the third set value, the transmit power of the mobile terminal is greater than the previous The transmit power of the mobile terminal, that is, the transmit power of the mobile terminal is on the rise.

The inner-loop power control evaluation method provided by the present invention can obtain multiple target SINRs and inner-loop SINRs, by calculating the difference between the target SINR and the inner-loop SINR and comparing the calculated difference results with the threshold value, the inner-loop power control can be realized. Evaluate to know the effect of inner loop power control. When a problem occurs in the inner loop power control, the source of the problem is determined through the first preset condition or the second preset condition, which is conducive to solving the inner loop power control problem.

Fig. 4 is a schematic structural diagram of an inner-loop power control evaluation device according to an embodiment of the present invention. As shown in Fig. 4 , the inner-loop power control evaluation device provided by the present invention includes a data acquisition unit 401, a first calculation unit 402, a first evaluation unit 403, the second calculation unit 404 and the second evaluation unit 405, wherein:

The data collection unit 401 is used to obtain a plurality of target SINRs and the inner-loop SINR obtained after inner-loop power control based on the target SINR; the first calculation unit 402 is used to calculate the target SINR according to the target SINR if the target SINR is a fixed value. The SINR and the inner loop SINR are calculated to obtain an improved mean square error; the first evaluation unit 403 is used to evaluate the inner loop power control according to the improved mean square error and the first threshold; the second calculation unit 404 is used if If the target SINR is a change value, then the degree of fit is calculated according to the target SINR and the inner loop SINR; the second evaluation unit 405 is used to control the power of the inner loop according to the degree of fit and the second threshold Make an evaluation.

Specifically, the data collection unit 401 may obtain multiple target SINRs through the base station, where the target SINRs are obtained after the base station performs outer loop power control. The data acquisition unit 401 may also obtain an inner loop SINR through the base station, where the inner loop SINR is obtained after the base station performs inner loop power control according to the target SINR.

When the target SINR is a fixed value, the first calculation unit 402 calculates an improved mean square error according to the target SINR and the inner loop SINR. For example, according to the formula Calculate the improved mean square error, SINR _stdev represents the improved mean square error, SINR _{t arg et} represents the target SINR, SINR _inner (i) represents the i-th inner ring SINR, i, n are positive integers and i is less than or equal to n.

After calculating the improved mean square error, the first evaluation unit 403 evaluates the inner loop power control according to the improved mean square error and the first threshold, for example, combining the calculated improved mean square error with the The first threshold is compared, and the inner loop power control is evaluated according to the comparison result. Wherein, the first threshold is set according to actual conditions, and is not limited in this embodiment of the present invention.

When the target SINR is a changing value, for example, the target SINR changes continuously within 0dB˜30dB, the second calculating unit 404 calculates and obtains a fitting degree according to the target SINR and the inner loop SINR.

The second evaluation unit 405 evaluates the inner loop power control according to the fitting degree and the second threshold. For example, the fitting degree obtained through calculation is compared with the second threshold, and the inner loop power control is evaluated according to the comparison result. Wherein, the second threshold is set according to actual conditions, which is not limited in this embodiment of the present invention. The inner-loop power control evaluation device provided by the present invention can obtain multiple target SINRs and inner-loop SINRs, by calculating the difference between the target SINR and the inner-loop SINR and comparing the calculated difference results with the threshold value, the inner-loop power control can be realized. Evaluate to know the effect of inner loop power control.

On the basis of the above embodiments, further, the first computing unit 402 is specifically configured to:

According to the formula Calculate the mean square error of the improvement, wherein SINR _stdev represents the improved mean square error, SINR _{t arg et} represents the target SINR, SINR _inner (i) represents the i-th inner ring SINR, and i, n are positive Integer and i is less than or equal to n.

Specifically, when the target SINR obtained by the inner-loop power control evaluation device is a fixed value, the target SINR is represented by SINR _{targ et} ; at the same time, n inner-loop SINRs can be collected, and the i-th The inner loop SINR is represented by SINR _inner (i), and the SINR _inner (i) is obtained after performing inner loop power control based on SINR _{targ et} . The improved mean square error SINR _stdev is calculated according to the following algorithm:

Wherein, i and n are positive integers and i is less than or equal to n. It can be understood that the more data collected, that is, the larger n is, the more accurate the calculated mean square error of the improvement is. On the basis of the foregoing embodiments, further, the second calculation unit 404 is specifically configured to:

According to the formula The degree of fit is obtained by calculation, wherein Fit represents the degree of fit, SINR _{t arg et (i)} represents the i-th target SINR, SINR _inner (i) represents the i-th inner ring SINR, i, n is a positive integer and i is less than or equal to n.

Specifically, the second computing unit 404 can collect two sets of data at the same time: one set of data is the target SINR, the i-th target SINR is represented by SINR _{t arg et} (i), and the other set of data is the inner ring SINR, the i-th inner loop SINR is represented by SINR _inner (i), and SINR _inner (i) is obtained after inner loop power control based on SINR _{t arg et} (i), and each group collects n data; according to the minimum The principle of the square method is to calculate the fitting degree Fit according to the following formula:

Wherein, i and n are positive integers and i is less than or equal to n. It can be understood that the more data collected, that is, the larger n is, the more accurate the calculated fitting degree is.

On the basis of the above embodiments, further, the first evaluation unit 403 is specifically configured to:

If it is determined that the mean square error of the improvement is greater than the first threshold, then there is a problem with the inner loop power control;

If it is determined that the mean square error of the improvement is less than or equal to the first threshold, the inner loop power control is normal.

Specifically, the first evaluation unit 403 compares the calculated improved mean square error with the first threshold, and if the improved mean square error is greater than the first threshold, the inner loop SINR does not converge, and the inner loop There is a problem with the loop power control; if the mean square error of the improvement is less than or equal to the first threshold, it indicates that the inner loop SINR is converged, and the inner loop power control is normal. Wherein, the first threshold is determined according to the specific system and application environment, and generally takes a value less than or equal to 2. It can be understood that, the smaller the value of the first threshold is, the more precise the inner loop power control is.

On the basis of the above embodiments, further, the second evaluation unit 405 is specifically configured to:

If it is determined that the fitting degree is greater than the second threshold, then there is a problem with the inner loop power control;

If it is determined that the fitting degree is less than or equal to the second threshold, the inner loop power control is normal.

Specifically, the second evaluation unit 405 compares the degree of fit obtained through calculation with the second threshold, and if the degree of fit is greater than the second threshold, it means that the inner loop SINR cannot follow the the target SINR, there is a problem with the inner loop power control; if the fitting degree is less than or equal to the second threshold, it means that the inner loop SINR can fit the target SINR well, and the inner loop power control normal. Wherein, the second threshold is determined according to a specific system and application environment, and generally takes a value less than or equal to 3. It can be understood that, the smaller the value of the second threshold is, the more precise the inner loop power control is.

Fig. 5 is a schematic structural diagram of an inner loop power control evaluation device according to another embodiment of the present invention. As shown in Fig. 5, on the basis of the above-mentioned embodiments, further, the inner loop power control evaluation device provided by the present invention also includes An acquisition unit 406, a first judgment unit 407, a second acquisition unit 408 and a second judgment unit 409, wherein:

The first acquiring unit 406 is configured to acquire the TPC value corresponding to the inner loop SINR when there is a problem with the inner loop power control; the first judging unit 407 is configured to determine if the inner loop SINR and the TPC value are known If the first preset condition is met, it is determined that the base station has caused a problem with the inner loop power control; otherwise, it is determined that the mobile terminal has caused a problem with the inner loop power control; wherein the first preset condition is: the TPC When the value is the first set value, the inner loop SINR remains unchanged; when the TPC value is the second set value, the inner loop SINR is smaller than the previous SINR; the TPC value is the third set value When the value is fixed, the inner loop SINR is greater than the previous inner loop SINR; the second acquisition unit 408 is used to acquire the TPC value corresponding to the inner loop SINR and the mobile terminal when there is a problem with the inner loop power control. transmit power; the second judging unit 409 is configured to determine that the base station causes a problem with the inner loop power control if it is determined that the inner loop SINR and the mobile terminal transmit power meet a second preset condition; otherwise, then It is determined that the mobile terminal causes a problem with the inner loop power control; wherein, the second preset condition is: when the TPC value is the first set value, the transmit power of the mobile terminal remains unchanged; When the TPC value is the second set value, the transmit power of the mobile terminal is less than the previous mobile terminal transmit power; when the TPC value is the third set value, the transmit power of the mobile terminal is greater than the previous one A mobile terminal transmit power.

Specifically, when it is confirmed that there is a problem with the inner loop power control, the first acquiring unit 406 may acquire the inner loop SINR and the improvement issued by the base station to the mobile terminal corresponding to the inner loop SINR through the base station, A command to reduce or maintain transmission power (Transmission Power Control, hereinafter referred to as TPC), and the command is usually represented by a numerical value, hereinafter referred to as TPC value.

Then, the first judging unit 407 judges whether the inner loop SINR and the corresponding TPC value meet the first preset condition, if the inner loop SINR and the TPC value meet the first preset condition, It can be determined that the base station causes a problem in the inner loop power control; if the inner loop SINR and the TPC do not meet the first preset condition, it can be determined that the mobile terminal caused the inner loop power control problem. problem appear. The first preset condition is: when the TPC value is a first set value, the first set value indicates that the transmit power of the mobile terminal remains unchanged, and the inner loop SINR remains unchanged; When the TPC value is the second set value, the second set value means reducing the transmit power of the mobile terminal, and the inner loop SINR is smaller than the previous SINR, that is, the inner loop SINR is decreasing Trend; when the TPC value is the third set value, the third set value means increasing the transmit power of the mobile terminal, and the inner loop SINR is greater than the previous SINR, that is, the inner loop SINR Upward trend. or

When it is confirmed that there is a problem with the inner loop power control, the second acquiring unit 408 may acquire the TPC value corresponding to the inner loop SINR and the transmit power of the mobile terminal through the base station.

Then, the second judging unit 409 judges whether the TPC value and the transmit power of the mobile terminal meet a second preset condition, and if the TPC value and the transmit power of the mobile terminal meet the second preset condition, It can be determined that the base station causes a problem in the inner loop power control; if the TPC value and the transmit power of the mobile terminal do not meet the second preset condition, it can be determined that the mobile terminal caused the inner loop power control There is a problem with the ring power. The second preset condition is: when the TPC value is the first set value, the transmission power of the mobile terminal remains unchanged; when the TPC value is the second set value, the The transmit power of the mobile terminal is smaller than the previous transmit power of the mobile terminal, that is, the transmit power of the mobile terminal is in a downward trend; when the TPC value is the third set value, the transmit power of the mobile terminal is greater than the previous The transmit power of the mobile terminal, that is, the transmit power of the mobile terminal is on the rise.

The inner-loop power control evaluation device provided by the present invention can obtain multiple target SINRs and inner-loop SINRs, by calculating the difference between the target SINR and the inner-loop SINR and comparing the calculated difference results with the threshold value, the inner-loop power control can be realized. Evaluate to know the effect of inner loop power control. When a problem occurs in the inner loop power control, the source of the problem is determined through the first preset condition or the second preset condition, which is conducive to solving the inner loop power control problem.

Embodiments of the inner-loop power control evaluation apparatus provided by the present invention can be specifically used to execute the processing procedures of the above-mentioned method embodiments, and its functions will not be repeated here, and reference can be made to the detailed description of the above-mentioned method embodiments.

Fig. 6 is a schematic diagram of the physical structure of the inner loop power control evaluation device according to the embodiment of the present invention. As shown in Fig. 6, the inner loop power control evaluation device provided by the present invention includes:

Processor (processor) 601, memory (memory) 602 and communication bus 603;

in,

The processor 601 and the memory 602 complete mutual communication through the communication bus 503;

The processor 601 is used to call the program instructions in the memory 602 to execute the methods provided by the above method embodiments, for example, including: obtaining multiple target SINRs and performing inner loop power control based on the target SINRs to obtain The inner loop SINR; if the target SINR is a fixed value, then calculate and obtain the improved mean square error according to the target SINR and the inner loop SINR; calculate the inner loop power according to the improved mean square error and the first threshold Control and evaluate; if the target SINR is a change value, calculate and obtain the fitting degree according to the target SINR and the inner loop SINR; evaluate the inner loop power control according to the fitting degree and the second threshold .

An embodiment of the present invention provides a computer program product, the computer program product includes a computer program stored on a non-transitory computer-readable storage medium, the computer program includes program instructions, and when the program instructions are executed by a computer, The computer can execute the methods provided by the above method embodiments, for example, including: obtaining a plurality of target SINRs and the inner-loop SINR obtained after performing inner-loop power control based on the target SINR; if the target SINR is a fixed value, then according to The target SINR and the inner loop SINR are calculated to obtain an improved mean square error; the inner loop power control is evaluated according to the improved mean square error and the first threshold; if the target SINR is a change value, then according to the calculating the target SINR and the inner-loop SINR to obtain a fitting degree; evaluating the inner-loop power control according to the fitting degree and a second threshold.

An embodiment of the present invention provides a non-transitory computer-readable storage medium, the non-transitory computer-readable storage medium stores computer instructions, and the computer instructions cause the computer to execute the methods provided in the above method embodiments, for example Obtaining a plurality of target SINRs and the inner loop SINR obtained after performing inner loop power control based on the target SINR; if the target SINR is a fixed value, calculating an improved mean square error based on the target SINR and the inner loop SINR ; Evaluate the inner loop power control according to the improved mean square error and the first threshold; if the target SINR is a change value, then calculate the degree of fit according to the target SINR and the inner loop SINR; The goodness of fit and a second threshold evaluate the inner loop power control.

Those of ordinary skill in the art can understand that all or part of the steps for realizing the above-mentioned method embodiments can be completed by hardware related to program instructions, and the aforementioned program can be stored in a computer-readable storage medium. When the program is executed, the It includes the steps of the above method embodiments; and the aforementioned storage medium includes: ROM, RAM, magnetic disk or optical disk and other various media that can store program codes.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (12)

1. A method for evaluating inner loop power control, comprising: Obtaining a plurality of target SINRs and an inner loop SINR obtained after performing inner loop power control based on the target SINRs; If the target SINR is a fixed value, calculating and obtaining an improved mean square error according to the target SINR and the inner loop SINR; evaluating the inner loop power control according to the improved mean square error and a first threshold; If the target SINR is a variable value, calculating a fitting degree according to the target SINR and the inner-loop SINR; and evaluating the inner-loop power control according to the fitting degree and a second threshold. 2. The method according to claim 1, wherein said calculation of the improved mean square error according to said target SINR and said inner ring SINR comprises: According to the formula Calculate the mean square error of the improvement, wherein SINR _stdev represents the improved mean square error, SINR _{t arg et} represents the target SINR, SINR _inner (i) represents the i-th inner ring SINR, and i, n are positive Integer and i is less than or equal to n. 3. The method according to claim 1, wherein said calculating and obtaining the degree of fit according to said target SINR and said inner ring SINR comprises: According to the formula The degree of fit is obtained by calculation, wherein Fit represents the degree of fit, SINR _{t arg et} ( _i ) represents the i-th target SINR, SINR _inner (i) represents the i-th inner ring SINR, i, n is a positive integer and i is less than or equal to n. 4. The method according to claim 1, wherein said evaluating said inner loop power control according to said improved mean square error and a first threshold comprises: If it is determined that the mean square error of the improvement is greater than the first threshold, then there is a problem with the inner loop power control; If it is determined that the mean square error of the improvement is less than or equal to the first threshold, the inner loop power control is normal. 5. The method according to claim 1, wherein said evaluating said inner loop power control according to said degree of fit and a second threshold comprises: If it is determined that the fitting degree is greater than the second threshold, then there is a problem with the inner loop power control; If it is determined that the fitting degree is less than or equal to the second threshold, the inner loop power control is normal. 6. The method according to claim 4 or 5, further comprising: When a problem occurs in the inner loop power control, acquire a TPC value corresponding to the inner loop SINR; If it is judged that the inner loop SINR and the TPC value satisfy the first preset condition, it is determined that the base station causes a problem with the inner loop power control; otherwise, it determines that the mobile terminal causes a problem with the inner loop power control; wherein , the first preset condition is: when the TPC value is the first set value, the inner loop SINR remains unchanged; when the TPC value is the second set value, the inner loop SINR is less than the upper One said SINR; when said TPC value is a third set value, said inner loop SINR is greater than the last said inner loop SINR; or When a problem occurs in the inner loop power control, acquire the TPC value corresponding to the inner loop SINR and the transmit power of the mobile terminal; If it is determined that the TPC value and the transmit power of the mobile terminal meet the second preset condition, it is determined that the base station causes a problem with the inner loop power control; otherwise, it is determined that the mobile terminal causes the inner loop power control A problem occurs in the control; wherein, the second preset condition is: when the TPC value is the first set value, the transmit power of the mobile terminal remains unchanged; the TPC value is the second set value When the TPC value is the third set value, the transmit power of the mobile terminal is lower than the transmit power of the previous mobile terminal; when the TPC value is the third set value, the transmit power of the mobile terminal is greater than the transmit power of the previous mobile terminal. 7. An inner loop power control evaluation device, characterized in that it comprises: A data acquisition unit, configured to obtain a plurality of target SINRs and an inner loop SINR obtained after performing inner loop power control based on the target SINR; A first calculation unit, configured to calculate and obtain an improved mean square error according to the target SINR and the inner loop SINR if the target SINR is a fixed value; A first evaluation unit, configured to evaluate the inner loop power control according to the improved mean square error and a first threshold; The second calculation unit is used to calculate and obtain the fitting degree according to the target SINR and the inner loop SINR if the target SINR is a variable value; A second evaluation unit, configured to evaluate the inner loop power control according to the fitting degree and a second threshold. 8. The device according to claim 7, wherein the first computing unit is specifically configured to: According to the formula Calculate the mean square error of the improvement, wherein SINR _stdev represents the improved mean square error, SINR _{t arg et} represents the target SINR, SINR _inner (i) represents the i-th inner ring SINR, and i, n are positive Integer and i is less than or equal to n. 9. The device according to claim 7, wherein the second calculation unit is specifically used for: According to the formula The degree of fit is obtained by calculation, wherein Fit represents the degree of fit, SINR _{t arg et} ( _i ) represents the i-th target SINR, SINR _inner (i) represents the i-th inner ring SINR, i, n is a positive integer and i is less than or equal to n. 10. The device according to claim 7, wherein the first evaluation unit is specifically used for: If it is determined that the mean square error of the improvement is greater than the first threshold, then there is a problem with the inner loop power control; If it is determined that the mean square error of the improvement is less than or equal to the first threshold, the inner loop power control is normal. 11. The device according to claim 7, wherein the second evaluation unit is specifically used for: If it is determined that the fitting degree is greater than the second threshold, then there is a problem with the inner loop power control; If it is determined that the fitting degree is less than or equal to the second threshold, the inner loop power control is normal. 12. The device according to claim 10 or 11, further comprising: A first acquiring unit, configured to acquire a TPC value corresponding to the inner loop SINR when a problem occurs in the inner loop power control; The first judging unit is configured to determine that the base station causes a problem with the inner loop power control if it is determined that the inner loop SINR and the TPC value meet a first preset condition; otherwise, determine that the mobile terminal causes the inner loop power control There is a problem with loop power control; wherein, the first preset condition is: when the TPC value is the first set value, the inner loop SINR remains unchanged; when the TPC value is the second set value, The inner loop SINR is smaller than the previous SINR; when the TPC value is a third set value, the inner loop SINR is greater than the previous inner loop SINR; A second acquiring unit, configured to acquire a TPC value corresponding to the inner loop SINR and the transmit power of the mobile terminal when a problem occurs in the inner loop power control; The second judging unit is configured to determine that the base station causes a problem with the inner loop power control if it is judged that the TPC value and the transmit power of the mobile terminal meet a second preset condition; otherwise, determine that the mobile terminal The terminal causes a problem with the inner loop power control; wherein, the second preset condition is: when the TPC value is the first set value, the transmit power of the mobile terminal remains unchanged; the TPC value When it is the second set value, the transmit power of the mobile terminal is less than the transmit power of the previous mobile terminal; when the TPC value is the third set value, the transmit power of the mobile terminal is greater than the transmit power of the previous mobile terminal power.