WO2015061994A1

WO2015061994A1 - Method and equipment for convergence of outer loop power control

Info

Publication number: WO2015061994A1
Application number: PCT/CN2013/086252
Authority: WO
Inventors: 曹念伟
Original assignee: 华为技术有限公司
Priority date: 2013-10-30
Filing date: 2013-10-30
Publication date: 2015-05-07
Also published as: CN103688581B; CN103688581A

Abstract

The present invention discloses a method and equipment for convergence of outer loop power control, the main content comprising: by means of calculating a first actual retransmission rate of uplink data transmission, adjusting a preset target retransmission rate according to said first actual retransmission rate, such that by means of the first actual retransmission rate acquired in real time, the preset target retransmission rate is adaptively adjusted according to the obtained first actual retransmission rate, so that the outer loop control is able to quickly reinstate convergence, ensuring system capacity and throughput and reducing interference to other user equipments, thus increasing system capacity.

Description

TECHNICAL FIELD The present invention relates to the field of wireless communication technologies, and in particular, to a method and device for converging external loop power control. Background technique

WCDMA (Wide-Band Code Division Multiple Access) is a self-interference system. At the power usage level, the WCDMA system is contradictory: On the one hand, improving the transmission power for a certain user further improves the quality of service of the user; on the other hand, increasing the transmission power of a certain user increases the interference of other users. Power control is the most effective means to reduce system interference and increase system capacity.

The common WCDMA system power control process is divided into outer loop power control and inner loop power control. The power control between the RNC (Radio Network Controller) device and the base station device is called outer loop power control; the power control between the base station device and the user equipment is called inner loop power control.

The WCDMA system uses HSUPA (High Speed Uplink Packet Access) technology to transmit data, and determines a fixed target retransmission rate for different terminal devices, so that when the base station signal quality is too good, the actual weight of the terminal device The transmission rate is always lower than the target retransmission rate. When the signal quality of the base station is too poor, the actual retransmission rate of the terminal device is always higher than the target retransmission rate, so that the outer loop power control between the base station device and the RNC device is not controlled. The non-convergence for a long time causes the outer loop power control of the WCDMA system to stagnate.

Summary of the invention

The embodiments of the present invention provide a method and a device for converging external loop power control, which are used to solve the problem that the existing target retransmission rate for different terminal devices is likely to cause the outer loop power control of the WCDMA system to stagnate. . According to the first aspect of the present invention, a control device for converging external loop power control includes:

a statistics module, configured to calculate a first actual retransmission rate of the uplink data transmission;

a control module, configured to adjust a preset target retransmission rate according to the first actual retransmission rate obtained by the statistics module, so as to facilitate the adjusted target retransmission rate to make the outer loop power control Resume convergence.

In an embodiment of the first aspect of the present invention, in a first possible implementation manner,

The control module is specifically configured to determine, according to the first actual retransmission rate obtained by the statistics module, whether the outer loop power control is in a stagnant state; and when determining that the outer loop power control is in a stagnant state, adjusting the pre-control Set the target retransmission rate.

In a first possible implementation manner of the first aspect of the present disclosure, in a second possible implementation, the control module is specifically configured to determine, by using the statistics module, the first actual retransmission rate. a first deviation value from the preset target retransmission rate;

Determining whether the first deviation value is greater than a first threshold value;

When the first deviation value is greater than the first threshold, it is determined that the outer loop power control is in a stagnant state. In a second possible implementation manner of the first aspect of the present invention, in a third possible implementation, the control module is specifically configured to: when determining that the outer loop power control is in a stagnant state, when the first When the actual retransmission rate is less than the preset target retransmission rate, the preset target retransmission rate is decreased;

When the first actual retransmission rate is greater than a preset target retransmission rate, the preset target retransmission rate is increased.

In a possible embodiment of the first aspect of the invention, or in a first possible embodiment of the first aspect of the invention, or in a second possible embodiment of the first aspect of the invention, or In a third possible implementation manner of the first aspect of the present invention, in a fourth possible implementation, the control device further includes:

a reset module, configured to: after the control module adjusts a preset target retransmission rate, trigger the statistic module to re-count the second actual retransmission rate of the uplink data transmission; and the second actual retransmission rate Compare with the adjusted target retransmission rate; When the second deviation value between the second actual retransmission rate and the adjusted preset target retransmission rate is less than the second threshold, the adjusted preset target retransmission rate is restored to the original pre-predetermined Set the target retransmission rate.

According to a second aspect of the present invention, an apparatus for converging an outer loop power control includes: an operator, configured to calculate a first actual retransmission rate of uplink data transmission;

a processor, configured to adjust a preset target retransmission rate according to the first actual retransmission rate obtained by the operator, so that the adjusted target retransmission rate is adjusted to restore the outer loop power control convergence.

In a possible implementation manner of the second aspect of the present invention, in a first possible implementation, the processor is specifically configured to determine an outer loop function according to the first actual retransmission rate obtained by the computing unit Whether the control is in a stagnant state; when determining that the outer loop power control is in a stagnant state, adjusting the preset target retransmission rate.

In a first possible implementation manner of the second aspect of the present invention, in a second possible implementation, the processor is specifically configured to determine the first actual retransmission rate obtained by the operator a first deviation value between the preset target retransmission rates;

When the first deviation value is greater than the first threshold, it is determined that the outer loop power control is in a stagnant state. In a second possible implementation manner of the second aspect of the present invention, in a third possible implementation, the processor is specifically configured to: when determining that the outer loop power control is in a stagnant state, when the first When the actual retransmission rate is less than the preset target retransmission rate, the preset target retransmission rate is decreased;

In a possible embodiment of the second aspect of the invention, or in a first possible embodiment of the second aspect of the invention, or in a second possible embodiment of the second aspect of the invention, or In a third possible implementation manner of the second aspect of the present invention, in a fourth possible implementation, the processor is further configured to: after the preset target retransmission rate is adjusted, trigger the The operator again counts the second actual retransmission rate of the uplink data transmission; and compares the second actual retransmission rate obtained by the operator with the adjusted preset target retransmission rate; When the second deviation value between the actual retransmission rate and the adjusted target retransmission rate is less than the second threshold, the adjusted preset target retransmission rate is restored to the original preset target retransmission. rate.

According to a third aspect of the present invention, a method for converging external loop power control includes: calculating a first actual retransmission rate of uplink data transmission;

And adjusting the preset target retransmission rate according to the first actual retransmission rate, so that the adjusted target retransmission rate is adjusted to make the outer loop power control resume convergence.

In a possible implementation manner of the third aspect of the present invention, in a first possible implementation, the preset target retransmission rate is adjusted according to the first actual retransmission rate, including:

Determining whether the outer loop power control is in a stagnant state according to the first actual retransmission rate;

The preset target retransmission rate is adjusted when it is determined that the outer loop power control is in a stagnant state.

In a first possible implementation manner of the third aspect of the present invention, in a second possible implementation manner, determining, according to the first actual retransmission rate, whether the outer loop power control is in a stagnant state, the method includes: determining Determining a first deviation value between the first actual retransmission rate and the preset target retransmission rate; determining whether the first deviation value is greater than a first threshold value;

When the first deviation value is greater than the first threshold, it is determined that the outer loop power control is in a stagnant state. In a second possible implementation manner of the third aspect of the present invention, in the third possible implementation manner, when determining that the outer loop power control is in a stagnant state, adjusting the preset target retransmission rate includes: When it is determined that the outer loop power control is in a stagnation state, when the first actual retransmission rate is less than a preset target retransmission rate, the preset target retransmission rate is decreased;

In a possible implementation of the third aspect of the invention, or in a first possible embodiment of the third aspect of the invention, or in a second possible embodiment of the third aspect of the invention, or In a third possible implementation manner of the third aspect of the present invention, in a fourth possible implementation manner, after the preset target retransmission rate is adjusted, the method further includes:

Counting the second actual retransmission rate of the uplink data transmission again;

Comparing the second actual retransmission rate with the adjusted preset target retransmission rate; When the second deviation value between the second actual retransmission rate and the adjusted preset target retransmission rate is less than the second threshold, the adjusted preset target retransmission rate is restored to the original pre-predetermined Set the target retransmission rate.

The beneficial effects of the present invention are as follows:

The embodiment of the present invention adjusts the first target retransmission rate according to the first actual retransmission rate, and adjusts the preset target retransmission rate according to the first actual retransmission rate, so that the first actual retransmission rate obtained in real time is obtained according to the The first actual retransmission rate adaptively adjusts the preset target retransmission rate, so that the outer loop control can quickly resume convergence, guarantees the capacity and throughput of the system, reduces interference to other user equipment, and improves the system. capacity. DRAWINGS

FIG. 1 is a schematic structural diagram of an apparatus for converging external loop power control according to Embodiment 1 of the present invention; FIG.

FIG. 2 is a schematic structural diagram of an apparatus for converging external loop power control according to Embodiment 2 of the present invention; FIG.

FIG. 3 is a schematic flowchart of a method for converging external loop power control according to Embodiment 3 of the present invention; FIG.

FIG. 4 is a schematic flowchart of a method for converging external loop power control according to Embodiment 4 of the present invention. detailed description

In order to achieve the object of the present invention, an embodiment of the present invention provides a method and a device for converging external loop power control, by adjusting a first actual retransmission rate of uplink data transmission, and adjusting according to the first actual retransmission rate. The preset target retransmission rate is such that the preset target retransmission rate is adaptively adjusted according to the obtained first actual retransmission rate by using the first actual retransmission rate obtained in real time, so that the outer loop control can quickly resume convergence. , to ensure the capacity and throughput of the system, reduce interference to other user equipment, and increase system capacity. It should be noted that the preset target retransmission rate involved in the embodiment of the present invention is used to represent the probability that the uplink data is expected to be retransmitted, and may be represented by various data formats or according to actual network data transmission requirements. The determination may also be determined based on experimental data, and is not specifically limited herein.

The so-called outer loop power control is in a state of stagnation. The actual retransmission rate of the uplink data is always greater than the preset target retransmission rate for a long period of time, so that the transmission power of the user equipment that triggers the inner loop power control is maximized. The system does not meet the system requirements, or the actual retransmission rate of the uplink data is always less than the preset target retransmission rate, so that the transmission power of the user equipment that triggers the inner loop power control is minimized, and the system needs are still not met. In other words, the outer ring The stagnation of the power control causes the communication system to be in an extreme working state.

The so-called outer loop power control can be converged when the outer loop power control can adjust the target retransmission rate to make the actual retransmission rate of the uplink data when the actual retransmission rate of the uplink data is much smaller than the preset target retransmission rate. If the target retransmission rate is greater than the adjusted target retransmission rate, the transmit power of the user equipment that triggers the inner loop power control increases; when the outer loop power control can pass the actual retransmission rate of the uplink data is far greater than the preset target retransmission rate, The target retransmission rate is adjusted so that the actual retransmission rate of the uplink data is smaller than the adjusted target retransmission rate, thereby reducing the transmission power of the user equipment that triggers the inner loop power control, and avoiding the communication system being in an extreme working state.

The various embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Embodiment 1:

As shown in FIG. 1 , it is a schematic structural diagram of an apparatus for converging external loop power control according to Embodiment 1 of the present invention. The device includes: a statistics module 11 and a control module 12, wherein:

The statistics module 11 is configured to calculate a first actual retransmission rate of the uplink data transmission;

The control module 12 is configured to adjust the preset target retransmission rate according to the first actual retransmission rate obtained by the statistics module, so as to facilitate the adjusted target retransmission rate to be adjusted. The loop power control resumes convergence.

Specifically, the manner in which the statistics module 11 collects the first actual retransmission rate of the uplink data transmission includes but is not limited to: The first way:

The statistics module 11 records the total number of uplink data transmissions and the number of times the data is retransmitted; and calculates the first actual retransmission rate of the uplink data transmission according to the total number of times recorded and the number of retransmissions.

The second way:

The statistics module 11 counts the first actual retransmission rate of the uplink data transmission according to the acknowledgement ACK information and the non-acknowledgment ACK information included in the sent downlink feedback information.

When the base station device and the user equipment use the HSUPA technology for data transmission, when the base station device correctly receives the uplink data sent by the user equipment, the acknowledgment ACK information is sent, indicating that the uplink data sent by the user equipment has been accurately received by the base station device. The user equipment is not required to send the uplink data again. When the base station device does not correctly receive the uplink data sent by the user equipment, the non-acknowledgment ACK information is sent back, indicating that the uplink data sent by the user equipment is not accurately received by the base station device, and the user equipment is required. The uplink data is transmitted again, that is, the actual retransmission rate of the uplink data transmission is equal to the quotient between the transmission of the non-acknowledgment ACK information and the sum of the transmission acknowledgement ACK information and the non-acknowledgement ACK information.

By using the downlink feedback information to calculate the actual retransmission rate of the uplink data transmission, the actual retransmission rate of the real-time uplink data transmission can be guaranteed.

In another embodiment of the present invention, when the statistics module 11 counts the first actual retransmission rate of the uplink data transmission, the statistics may be performed according to the set time period, or may be real-time statistics, or may be timing statistics. , here is not a limit.

Specifically, the control module 12 is specifically configured to determine, according to the first actual retransmission rate obtained by the statistics module, whether the outer loop power control is in a stagnant state; when determining that the outer loop power control is in a stagnant state, Adjusting the preset target retransmission rate.

The control module 12 is specifically configured to determine a first deviation value between the first actual retransmission rate and the preset target retransmission rate obtained by the statistics module, and determine the first deviation value. Whether it is greater than the first threshold; when the first deviation value is greater than the first threshold, it is determined that the outer loop power control is in a stagnant state. In another embodiment of the present invention, the first step, the control module 12 is specifically configured to determine a first deviation between the first actual retransmission rate and the preset target retransmission rate. value.

When the first actual retransmission rate is less than the preset target retransmission rate, the first deviation value is a difference between the preset target retransmission rate and the first actual retransmission rate;

When the first actual retransmission rate is greater than the preset target retransmission rate, the first deviation value is a difference between the first actual retransmission rate and the preset target retransmission rate.

In the second step, the control module 12 is specifically configured to determine whether the first offset value is greater than a first threshold.

And performing a difference operation on the first deviation value and the first threshold value.

In the third step, the control module 12 is specifically configured to determine, according to the determination result, whether the current outer loop power control is in a stagnant state.

When the first deviation value is greater than the first threshold, it is determined that the outer loop power control is in a stagnant state. When the first deviation value is not greater than the first threshold value, it is determined that the outer loop power control is in a non-stagnation state. In another embodiment of the present invention, the control module 12 is specifically configured to determine, according to the first actual retransmission rate, whether the outer loop power control is in a stagnant state, but is not limited to: The control module 12 is configured to compare, according to the first actual retransmission rate, whether the first actual retransmission rate is less than a first reference value, and whether the first actual retransmission rate is greater than a second reference. value.

The first reference value is used to measure the reference value of the signal quality of the uplink data transmission channel, and the second reference value is used to measure the reference value of the signal quality of the uplink data transmission channel. The first reference value is smaller than the second reference value. The reference value, and the first reference value and the second reference value are numerical information belonging to one unit of magnitude with respect to the data transmission retransmission rate, for example: 10%, 90%.

In the second step, the control module 12 is specifically configured to determine that the signal quality of the uplink data transmission channel of the current base station device is good when the comparison result is that the first actual retransmission rate is smaller than the first reference value, which is beneficial to the uplink data. Transmitting, at this time, comparing the first actual retransmission rate with a preset target retransmission rate, and determining, when the comparison result is that the first actual retransmission rate is less than a preset target retransmission rate, Outer loop power control may be at a standstill. In the third step, the control module 12 is specifically configured to: when the comparison result is that the first actual retransmission rate is greater than the second reference value, determine that the signal quality of the uplink data transmission channel of the current base station device is poor, and is not conducive to uplink. Data transmission, at this time, comparing the first actual retransmission rate with a preset target retransmission rate, and when the comparison result is that the first actual retransmission rate is greater than a preset target retransmission rate, It is determined that the outer loop power control may be in a stagnant state.

The control module 12 is specifically configured to: when determining that the outer loop power control is in a stagnation state, when the first actual retransmission rate is less than a preset target retransmission rate, reduce the preset target retransmission rate;

Specifically, reducing the preset target retransmission rate may be lowering the preset target retransmission rate by a preset value, or reducing the preset target retransmission rate to a set value.

The set value can be determined according to actual experience, and can also be determined according to the actual needs of the network system, and is not limited herein.

For example, when the transmission time interval (transmission time interval) of the data transmission is 10 ms, the preset target retransmission rate can be reduced to 0.1% at the minimum, and the transmission time interval (TTI) is transmitted. When the transmission interval is 2ms, the above situation can be reduced to a minimum of 1%.

Specifically, increasing the preset target retransmission rate may be increasing the preset target retransmission rate by a preset value, or increasing the preset target retransmission rate to a set value.

Optionally, the control device further includes:

The reset module 13 is configured to trigger, after the control module adjusts the preset target retransmission rate, the statistics module to trigger the second actual retransmission rate of the uplink data transmission; and the second actual retransmission The rate is compared with the adjusted preset target retransmission rate; and when the second deviation value between the second actual retransmission rate and the adjusted preset target retransmission rate is less than the second threshold value , the adjusted target retransmission rate is restored to the original preset target retransmission rate. It should be noted that the control device in the first embodiment of the present invention may be a physical entity unit implemented by using hardware, or may be a logical component implemented by software, which is not limited herein.

Embodiment 2:

FIG. 2 is a schematic structural diagram of an apparatus for converging external loop power control according to Embodiment 2 of the present invention, and Embodiment 2 of the present invention is an invention under the same inventive concept as Embodiment 1 of the present invention, The device includes: an operator 21 and a processor 22, wherein the operator 21 and the processor 22 are connected by a bus. among them:

The operator 21 is configured to calculate a first actual retransmission rate of the uplink data transmission;

The processor 22 is configured to adjust a preset target retransmission rate according to the first actual retransmission rate obtained by the computing unit, so as to adjust the preset target retransmission rate to make the outer loop power control Resume convergence.

In another embodiment of the present invention, the processor 22 is specifically configured to determine, according to the first actual retransmission rate obtained by the computing device, whether the outer loop power control is in a stagnant state; When the loop power control is in a stagnant state, the preset target retransmission rate is adjusted.

In another embodiment of the present invention, the process 22 is specifically configured to determine a first between the first actual retransmission rate obtained by the operator and the preset target retransmission rate. Deviating value; determining whether the first deviation value is greater than a first threshold value;

When the first deviation value is greater than the first threshold, it is determined that the outer loop power control is in a stagnant state. In another embodiment of the present invention, the processor 22 is specifically configured to: when determining that the outer loop power control is in a stagnant state, when the first actual retransmission rate is less than a preset target retransmission rate , reducing the preset target retransmission rate;

In another embodiment of the present invention, the processor 22 is further configured to: after adjusting the preset target retransmission rate, trigger the operator to re-sample the second actual retransmission of the uplink data transmission. And comparing the second actual retransmission rate obtained by the operator with the adjusted preset target retransmission rate; the second actual retransmission rate and the adjusted preset target weight Between transmission rates When the second deviation value is less than the second threshold value, the adjusted preset target retransmission rate is restored to the original preset target retransmission rate.

It should be noted that the processor involved in the second embodiment of the present invention may be a central processing unit (CPU) implemented by a writing program, or may be a controller processed by a loading program, which is not limited herein.

Embodiment 3:

As shown in FIG. 3, it is a schematic flowchart of a method for converging external loop power control according to Embodiment 3 of the present invention, and the method may be as follows.

Step 101: Count the first actual retransmission rate of the uplink data transmission.

In step 101, the manner of counting the first actual retransmission rate of the uplink data transmission includes but is not limited to:

The first way:

Record the total number of uplink data transmissions and the number of times the data is retransmitted;

Based on the total number of records recorded and the number of retransmissions, the first actual retransmission rate of the uplink data transmission is calculated.

The second way:

The first actual retransmission rate of the uplink data transmission is counted according to the acknowledgement ACK information and the non-acknowledgment ACK information included in the sent downlink feedback information.

Using the downlink feedback information to calculate the actual retransmission rate of the uplink data transmission, it can guarantee real-time The actual retransmission rate of the upstream data transmission.

In another embodiment of the present invention, when the first actual retransmission rate of the uplink data transmission is counted, the statistics may be performed according to a set time period, or may be real-time statistics, or may be timing statistics. Make a limit.

Step 102: Adjust a preset target retransmission rate according to the first actual retransmission rate, so that the preset target retransmission rate is adjusted to make the outer loop power control resume convergence.

In step 102, according to the first actual retransmission rate, the manner of adjusting the preset target retransmission rate includes but is not limited to:

First, according to the first actual retransmission rate, it is determined whether the outer loop power control is in a stagnant state. In another embodiment of the present invention, in a first step, a first offset value between the first actual retransmission rate and the preset target retransmission rate is determined.

In the second step, it is determined whether the first deviation value is greater than the first threshold.

In the third step, according to the judgment result, it is determined whether the current outer loop power control is in a stagnant state.

When the first deviation value is greater than the first threshold, it is determined that the outer loop power control is in a stagnant state. When the first deviation value is not greater than the first threshold value, it is determined that the outer loop power control is in a non-stagnation state. In another embodiment of the present invention, the manner of determining whether the outer loop power control is in a stagnant state according to the first actual retransmission rate includes but is not limited to:

The first step is to compare, according to the first actual retransmission rate, whether the first actual retransmission rate is less than a first reference value, and whether the first actual retransmission rate is greater than a second reference value.

The first reference value is used to measure the reference value of the signal quality of the uplink data transmission channel, and the second reference value is used to measure the reference value of the signal quality of the uplink data transmission channel. The first reference value is smaller than the second reference value. Reference value, and the first reference value and the second reference value are related to the data transmission retransmission rate Value information on a unit level, for example: 10 percent, 90 percent.

In the second step, when the comparison result is that the first actual retransmission rate is smaller than the first reference value, determining that the signal quality of the uplink data transmission channel of the current base station device is good, which is beneficial to the transmission of the uplink data. The first actual retransmission rate is compared with the preset target retransmission rate, and when the comparison result is that the first actual retransmission rate is less than the preset target retransmission rate, it is determined that the outer loop power control may be in a stagnant state.

In the third step, when the comparison result is that the first actual retransmission rate is greater than the second reference value, determining that the signal quality of the current base station equipment uplink data transmission channel is poor, and is not conducive to the transmission of the uplink data. The first actual retransmission rate is compared with a preset target retransmission rate, and when the comparison result is that the first actual retransmission rate is greater than a preset target retransmission rate, determining that the outer loop power control may be in a stagnant state .

Secondly, when it is determined that the outer loop power control is in a stagnant state, the preset target retransmission rate is adjusted. In another embodiment of the present invention, the manner of adjusting the preset target retransmission rate includes but is not limited to:

First, the size between the first actual retransmission rate and the preset target retransmission rate is compared.

Secondly, when the first actual retransmission rate is less than a preset target retransmission rate, the preset target retransmission rate is decreased.

When the first actual retransmission rate is greater than a preset target retransmission rate, the preset target retransmission rate is increased. Specifically, increasing the preset target retransmission rate may be increasing the preset target retransmission rate by a preset value, or increasing the preset target retransmission rate to a set value.

Step 103: After adjusting the preset target retransmission rate, the second actual retransmission rate of the uplink data transmission is again counted.

In step 103, after adjusting the preset target retransmission rate, the adjusted pre-set target retransmission rate is used to accelerate convergence of the outer loop power control.

After a period of time, the second actual retransmission rate of the uplink data transmission is again counted.

Step 104: Compare the second actual retransmission rate with the adjusted preset target retransmission rate, and compare the second actual retransmission rate with the adjusted preset target retransmission rate. When the second deviation value is less than the second threshold value, the adjusted preset target retransmission rate is restored to the original preset target retransmission rate.

In this way, the preset target retransmission rate can be flexibly adjusted, so that the outer loop power control adapts to the actual uplink data transmission environment.

It should be noted that the first threshold value, the second threshold value, the first reference value, and the second reference value involved in the embodiments of the present invention may be determined experimentally, or may be determined according to actual experience, where not Make specific limits.

According to the solution of the third embodiment of the present invention, the first actual retransmission rate of the uplink data transmission is counted, and the preset target retransmission rate is adjusted according to the first actual retransmission rate, so that the first actual retransmission is obtained through real-time acquisition. Rate, adaptively adjusting the preset target retransmission rate according to the obtained first actual retransmission rate, so that the outer loop control can quickly resume convergence, ensuring the capacity and throughput of the system, and reducing interference to other user equipments. , increased system capacity.

Embodiment 4:

FIG. 4 is a schematic flowchart diagram of a method for converging external loop power control according to Embodiment 4 of the present invention. Embodiment 4 of the present invention is a detailed description of each step in Embodiment 3 of the present invention, where the method may be As described below. Step 201: Count the first actual retransmission rate of the uplink data transmission.

Step 202: Determine, according to the first actual retransmission rate, whether the outer loop power control is in a stagnant state, and if yes, perform step 203; otherwise, end the processing.

In step 202, the manner of determining whether the outer loop power control is in a stagnant state includes but is not limited to: the first mode:

In the first step, a first deviation value between the first actual retransmission rate and the preset target retransmission rate is determined.

When the first deviation value is greater than the first threshold, it is determined that the outer loop power control is in a stagnant state. When the first deviation value is not greater than the first threshold value, it is determined that the outer loop power control is in a non-stagnation state. The second way:

In the second step, when the comparison result is that the first actual retransmission rate is smaller than the first reference value, determining that the signal quality of the uplink data transmission channel of the current base station device is good, which is beneficial to the transmission of the uplink data. The first actual retransmission rate is compared with the preset target retransmission rate, and when the comparison result is that the first actual retransmission rate is less than the preset target retransmission rate, it is determined that the outer loop power control may be stagnant. Status.

Step 203: Adjust the preset target retransmission rate when determining that the outer loop power control is in a stagnant state. In step 203, the manner of adjusting the preset target retransmission rate includes but is not limited to: First, comparing the size between the first actual retransmission rate and the preset target retransmission rate.

Step 204: After adjusting the preset target retransmission rate, the second actual retransmission rate of the uplink data transmission is again counted.

In step 204, after adjusting the preset target retransmission rate, the adjusted pre-set target retransmission rate is used to accelerate convergence of the outer loop power control.

According to the set collection period, the second actual retransmission rate of the uplink data transmission is again counted.

Step 205: Compare the second actual retransmission rate with the adjusted preset target retransmission rate, and compare the second actual retransmission rate with the adjusted preset target retransmission rate. When the second deviation value is less than the second threshold value, the adjusted preset target retransmission rate is restored to the original preset target retransmission rate.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, apparatus (device), or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can be embodied in the form of one or more computer program products embodied on a computer-usable storage medium (including but not limited to disk storage, CD-ROM, optical storage, etc.) in which computer usable program code is embodied. The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus, and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

Although the preferred embodiment of the invention has been described, it will be apparent to those skilled in the < Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and the modifications and modifications The spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of the inventions

Claims

Rights request

1. A control device for convergence of outer loop power control, characterized in that it includes: a statistics module for counting the first actual retransmission rate of uplink data transmission;

A control module configured to adjust a preset target retransmission rate based on the first actual retransmission rate obtained by statistics from the statistics module, so that the adjusted preset target retransmission rate enables outer loop power control Restore convergence.

2. The control device according to claim 1, characterized in that,

The control module is specifically configured to determine whether the outer loop power control is in a stagnant state based on the first actual retransmission rate obtained by statistics from the statistical module; when it is determined that the outer loop power control is in a stagnant state, adjust the predetermined Set the target retransmission rate.

3. The control device according to claim 2, characterized in that,

The control module is specifically used to determine the first deviation value between the first actual retransmission rate obtained by statistics of the statistics module and the preset target retransmission rate;

Determine whether the first deviation value is greater than the first threshold value;

When the first deviation value is greater than the first threshold value, it is determined that the outer loop power control is in a stagnant state.

4. The control device according to claim 3, characterized in that,

The control module is specifically configured to reduce the preset target retransmission rate when the first actual retransmission rate is less than the preset target retransmission rate when it is determined that the outer loop power control is in a stagnant state;

When the first actual retransmission rate is greater than the preset target retransmission rate, the preset target retransmission rate is increased.

5. The control device according to any one of claims 1 to 4, characterized in that the control device further includes:

A reset module configured to trigger the statistics module to count the second actual retransmission rate of uplink data transmission again after the control module adjusts the preset target retransmission rate; and set the second actual retransmission rate to Compare with the adjusted preset target retransmission rate;

When the second deviation value between the second actual retransmission rate and the adjusted preset target retransmission rate is less than the second threshold value, the adjusted preset target retransmission rate is restored to the original target retransmission rate. Target retransmission Rate.

6. A device for converging outer loop power control, characterized by: including:

Operator, used to count the first actual retransmission rate of uplink data transmission;

A processor configured to adjust a preset target retransmission rate according to the first actual retransmission rate obtained by the operator, so that the adjusted preset target retransmission rate restores outer loop power control. convergence.

7. The device according to claim 6, characterized in that,

The processor is specifically configured to determine whether the outer loop power control is in a stagnant state based on the first actual retransmission rate obtained by the arithmetic unit; when it is determined that the outer loop power control is in a stagnant state, adjust the preset The target retransmission rate.

8. The device according to claim 7, characterized in that,

The processor is specifically configured to determine a first deviation value between the first actual retransmission rate obtained by the operator and the preset target retransmission rate;

9. The device according to claim 8, characterized in that,

The processor is specifically configured to, when it is determined that the outer loop power control is in a stagnant state, and when the first actual retransmission rate is less than a preset target retransmission rate, reduce the preset target retransmission rate;

10. The device according to any one of claims 6 to 9, characterized in that,

The processor is further configured to trigger the operator to count the second actual retransmission rate of uplink data transmission again after adjusting the preset target retransmission rate; and obtain the third actual retransmission rate obtained by the operator. The second actual retransmission rate is compared with the adjusted preset target retransmission rate; the second deviation value between the second actual retransmission rate and the adjusted preset target retransmission rate is less than the second threshold When the limit is reached, the adjusted default target retransmission rate is restored to the original default target retransmission rate.

11. A method for convergence of outer loop power control, characterized by: including:

Statistics of the first actual retransmission rate of uplink data transmission; According to the first actual retransmission rate, the preset target retransmission rate is adjusted so that the adjusted preset target retransmission rate causes the outer loop power control to resume convergence.

12. The method of claim 11, wherein adjusting the preset target retransmission rate according to the first actual retransmission rate includes:

According to the first actual retransmission rate, determine whether the outer loop power control is in a stagnant state;

When it is determined that the outer loop power control is in a stagnant state, the preset target retransmission rate is adjusted.

13. The method of claim 12, wherein determining whether the outer loop power control is in a stagnant state according to the first actual retransmission rate includes:

Determine a first deviation value between the first actual retransmission rate and the preset target retransmission rate; determine whether the first deviation value is greater than a first threshold value;

14. The method of claim 13, wherein when it is determined that the outer loop power control is in a stagnant state, adjusting the preset target retransmission rate includes:

When it is determined that the outer loop power control is in a stagnant state, when the first actual retransmission rate is less than the preset target retransmission rate, reduce the preset target retransmission rate;

15. The method according to any one of claims 11 to 14, characterized in that, after adjusting the preset target retransmission rate, the method further includes:

Again count the second actual retransmission rate of uplink data transmission; and

Comparing the second actual retransmission rate with the adjusted preset target retransmission rate; a second deviation value between the second actual retransmission rate and the adjusted preset target retransmission rate When it is less than the second threshold, the adjusted preset target retransmission rate is restored to the original preset target retransmission rate.