Compensation coefficient determination method, apparatus and device

Abstract

Embodiments of the present application provide a compensation coefficient determination method, device and equipment, the method comprising: determining a target test power of a terminal device to be tested; controlling the terminal device to transmit a plurality of test signals in turn at a plurality of frequency points according to the target test power; obtaining a plurality of target measurement powers of the plurality of test signals tested by a power measurer; and determining an amplitude-frequency response compensation coefficient of the terminal device according to the plurality of target measurement powers. Through the above method, the accuracy of the amplitude-frequency response compensation coefficient of the terminal device can be improved, and the accuracy of the terminal device radio frequency front-end data transmission is higher.

Description

TECHNICAL FIELD

[0001] Embodiments of the present application relate to the technical field of communication, and in particular, to a compensation coefficient determination method, device and equipment. BACKGROUND

[0002] A radio frequency frontend (RFFE) can filter and amplify radio frequency signals.

[0003] At present, in order to support technologies such as random access (EUTRA-NR Dual Connectivity, ENDC), multi-input multi-output (MIMO) and carrier aggregation (CA), the radio frequency frontend is provided with a large number of filter devices. For example, the filter devices can be duplexers and switches. However, the amplitude-frequency response of various filter devices in the signal channel is poor. It is usually necessary to compensate for the amplitude-frequency response deterioration caused by the filter devices through a digital baseband signal.

[0004] Therefore, how to determine a relatively accurate amplitude-frequency response compensation coefficient has important practical value for improving the accuracy of radio frequency frontend data transmission. SUMMARY

[0005] The present application provides a compensation coefficient determination method, device and equipment, which improves the accuracy of the amplitude-frequency response compensation coefficient of the terminal device, so that the accuracy of the radio frequency frontend data transmission of the terminal device is relatively high.

[0006] In a first aspect, the present application provides a compensation coefficient determination method, comprising:

[0007] determining a target test power of a terminal device to be tested;

[0008] controlling the terminal device to transmit a plurality of test signals in turn according to the target test power at a plurality of frequency points;

[0009] obtaining a plurality of target measurement powers of the plurality of test signals tested by a power measurer;

[0010] determining an amplitude-frequency response compensation coefficient of the terminal device according to the plurality of target measurement powers.

[0011] In a possible implementation manner, the target test power of the terminal device to be tested is determined, comprising:

[0012] determining an initial test power and a preset frequency point;

[0013] According to the initial test power and the preset frequency point, the terminal device is controlled to transmit a signal until the target test power is determined.

[0014] In a possible implementation, according to the initial test power and the preset frequency point, the terminal device is controlled to transmit a test signal until the target test power is determined, including:

[0015] According to the initial test power, a preset step length and i, an ith test power is determined, the ith test power being equal to the initial test power minus the preset step length multiplied by i;

[0016] The terminal device is controlled to transmit an ith signal at the preset frequency point according to the ith test power;

[0017] Two ith measured powers of the ith signal measured by the power measurer are obtained, the two ith measured powers having different measurement time delays;

[0018] Wherein, i takes 0, 1, 2, 3, …, in turn, until the absolute value of the difference between the two ith measured powers is less than or equal to a preset threshold, or the ith test power is less than or equal to a preset test power, the ith test power is determined as the target test power, or the preset test power is determined as the target test power.

[0019] In a possible implementation, the terminal device is controlled to transmit an ith signal at the preset frequency point according to the ith test power, including:

[0020] An ith test instruction is sent to the terminal device, the ith test instruction including the preset frequency point and the ith test power;

[0021] Wherein, the ith test instruction is used to instruct the terminal device to transmit an ith signal at the preset frequency point according to the ith test power.

[0022] In a possible implementation, the terminal device is controlled to transmit a plurality of test signals at a plurality of frequency points in turn according to the target test power, including:

[0023] The plurality of frequency points are determined, the number of the plurality of frequency points being M, the M being an integer greater than 1;

[0024] A jth transmission instruction is sent to the terminal device, the jth transmission instruction including a jth frequency point and the target test power; j takes 1, 2, …, M in turn;

[0025] Wherein, the jth transmission instruction is used to instruct the terminal device to transmit a test signal at the jth frequency point according to the target test power.

[0026] In a possible implementation, the control of the terminal device to transmit a plurality of test signals in a plurality of frequency points in turn according to the target test power comprises:

[0027] determining the plurality of frequency points;

[0028] sending a transmission instruction to the terminal device, the transmission instruction comprising the plurality of frequency points and the target test power, the transmission instruction being used to instruct the terminal device to transmit test signals in the plurality of frequency points according to the target test power respectively.

[0029] In a possible implementation, the determination of the plurality of frequency points comprises:

[0030] determining a first frequency band according to the preset frequency point, the preset frequency point being included in the first frequency band;

[0031] determining a preset frequency difference;

[0032] determining the plurality of frequency points according to the first frequency band and the preset frequency difference, the plurality of frequency points being located in the first frequency band, and a frequency difference between two adjacent frequency points in the plurality of frequency points being the preset frequency difference.

[0033] In a possible implementation, the determination of the amplitude-frequency response compensation coefficient of the terminal device according to the plurality of target measurement powers comprises:

[0034] determining an amplitude value corresponding to each target measurement power to obtain a plurality of amplitude values;

[0035] performing normalization processing on the plurality of amplitude values to obtain a plurality of normalized amplitude values;

[0036] determining a plurality of amplitude-frequency response compensation coefficients of the terminal device in a plurality of frequency points according to the plurality of normalized amplitude values.

[0037] In a second aspect, the present application provides a compensation coefficient determination apparatus, comprising a determination module, a control module and an acquisition module, wherein,

[0038] the determination module is configured to determine a target test power of a terminal device to be tested;

[0039] the control module is configured to control the terminal device to transmit a plurality of test signals in a plurality of frequency points in turn according to the target test power;

[0040] the acquisition module is configured to acquire a plurality of target measurement powers of a power measurer in a test of the plurality of test signals;

[0041] the determination module is further configured to determine an amplitude-frequency response compensation coefficient of the terminal device according to the plurality of target measurement powers.

[0042] In a possible implementation, the determining module is specifically configured to,

[0043] determine an initial test power and a preset frequency point;

[0044] control the terminal device to transmit a signal according to the initial test power and the preset frequency point until a target test power is determined.

[0045] In a possible implementation, the determining module is specifically configured to,

[0046] determine an ith test power according to the initial test power, a preset step length and i, the ith test power being equal to the initial test power minus the preset step length multiplied by i;

[0047] control the terminal device to transmit an ith signal according to the ith test power at the preset frequency point;

[0048] obtain two ith measured powers of the ith signal measured by the power measurer, the two ith measured powers having different measurement time delays;

[0049] wherein i is sequentially taken as 0, 1, 2, 3, …, until an absolute value of a difference between the two ith measured powers is less than or equal to a preset threshold, or the ith test power is less than or equal to a preset test power, the preset test power being determined as the target test power.

[0050] In a possible implementation, the determining module is specifically configured to,

[0051] send an ith test instruction to the terminal device, the ith test instruction including the preset frequency point and the ith test power;

[0052] wherein the ith test instruction is used to instruct the terminal device to transmit an ith signal according to the ith test power at the preset frequency point.

[0053] In a possible implementation, the controlling module is specifically configured to,

[0054] determine a plurality of frequency points, the number of the plurality of frequency points being M, the M being an integer greater than 1;

[0055] send a jth transmission instruction to the terminal device, the jth transmission instruction including a jth frequency point and the target test power; j is sequentially taken as 1, 2, …, M;

[0056] The jth transmission instruction is used to instruct the terminal device to transmit a test signal at the jth frequency point according to the target test power.

[0057] In a possible implementation, the control module is specifically configured to,

[0058] determine the plurality of frequency points;

[0059] transmit a transmission instruction to the terminal device, the transmission instruction comprising the plurality of frequency points and the target test power, the transmission instruction being used to instruct the terminal device to transmit a test signal at the plurality of frequency points according to the target test power respectively.

[0060] In a possible implementation, the control module is specifically configured to,

[0061] determine a first frequency band according to the preset frequency point, the preset frequency point being included in the first frequency band;

[0062] determine a preset frequency difference;

[0063] determine the plurality of frequency points according to the first frequency band and the preset frequency difference, the plurality of frequency points being located in the first frequency band, and a frequency difference between two adjacent frequency points in the plurality of frequency points being the preset frequency difference.

[0064] In a possible implementation, the determination module is specifically configured to,

[0065] determine an amplitude value corresponding to each target measurement power, to obtain a plurality of amplitude values;

[0066] perform normalization processing on the plurality of amplitude values, to obtain a plurality of normalized amplitude values;

[0067] determine a plurality of amplitude-frequency response compensation coefficients of the terminal device at a plurality of frequency points according to the plurality of normalized amplitude values.

[0068] In a third aspect, the present application provides a compensation coefficient determination device, comprising a processor, and a memory connected with the processor in communication;

[0069] The memory stores a computer program;

[0070] The processor executes the computer program to implement the method in any one of claims 1 to 8.

[0071] In a fourth aspect, the present application provides a computer readable storage medium, the computer readable storage medium storing a computer program, the computer program being executed by a computer to implement the method in any one of claims 1 to 8.

[0072] Fifthly, this application provides a computer program product, including a computer program that, when executed by a computer, implements the method as described in any one of claims 1 to 8.

[0073] The compensation coefficient determination method, apparatus, and equipment provided in this embodiment can determine the target test power of the terminal device under test, control the terminal device to sequentially transmit multiple test signals at multiple frequency points according to the target test power, acquire multiple target measurement powers of the multiple test signals by the power measuring device, and determine the amplitude-frequency response compensation coefficient of the terminal device based on the multiple target measurement powers. Through the above method, the amplitude-frequency response degradation caused by all filtering devices in the RF front-end of the terminal device can be compensated, improving the accuracy of the amplitude-frequency response compensation coefficient of the terminal device and resulting in higher accuracy of data transmission from the RF front-end of the terminal device. Attached Figure Description

[0074] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0075] Figure 1 This is a schematic diagram of the structure of a wireless communication module for a terminal device provided in an embodiment of this application;

[0076] Figure 2 This application provides a schematic diagram of the structure of a radio frequency front-end.

[0077] Figure 3 A flowchart illustrating a method for determining a compensation coefficient provided in an embodiment of this application;

[0078] Figure 4 A flowchart illustrating another method for determining the compensation coefficient provided in this application embodiment;

[0079] Figure 5 A compensation coefficient determination device is provided in the embodiments of this application;

[0080] Figure 6 A schematic diagram of the hardware structure of the compensation coefficient determination device provided in this application. Detailed Implementation

[0081] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0082] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0083] This application relates to radio frequency (RF) front-ends. To facilitate understanding of the embodiments of this application, the RF front-ends involved in this application will be described in detail first.

[0084] The radio frequency (RF) front-end is an important part of the wireless communication module of a terminal device. For example, the terminal device can be a mobile phone, tablet computer, etc.

[0085] Below, in conjunction with Figures 1-2 The radio frequency front end is described.

[0086] Figure 1 This is a schematic diagram of the structure of a wireless communication module for a terminal device provided in an embodiment of this application. Please refer to [link / reference]. Figure 1 A wireless communication module may include an antenna, a radio frequency front-end, a radio frequency chip, and a baseband, etc.

[0087] Antennas, RF front-ends, RF chips, and baseband can together form the transmit path / uplink and receive path / downlink of a terminal device.

[0088] Figure 2 This is a schematic diagram of a radio frequency front-end provided in an embodiment of this application. Please refer to... Figure 2 The radio frequency front end can include low-noise amplifiers, power amplifiers, filters, duplexers, and switches.

[0089] In the transmission path of a terminal device, the signal input to the terminal device can sequentially pass through the baseband, radio frequency chip, power amplifier, filter, duplexer, and switch, and is finally transmitted through the antenna. For example, the signal input to the terminal device can be a voice signal or a video signal.

[0090] In the receiving path of the terminal device, the electromagnetic wave signal received by the antenna can pass through the antenna, switch, duplexer, filter, low noise amplifier and radio frequency chip in sequence, and finally be output through baseband.

[0091] In the aforementioned wireless communication module, when the terminal device transmits a signal, the baseband can convert the signal input to the terminal device into an intermediate frequency (IF) signal, and the radio frequency (RF) chip can modulate the IF signal into an RF signal; or, when the terminal device receives a signal, the RF chip can modulate the RF signal into an IF signal, and the baseband can convert and output the IF signal.

[0092] Power amplifiers amplify radio frequency (RF) signals in the transmit channel. Low-noise amplifiers amplify RF signals in the receive channel.

[0093] Filters can retain radio frequency signals within a specific frequency band while filtering out signals outside that band.

[0094] A duplexer can isolate the signals transmitted and received by a terminal device to ensure that the transmitted and received signals can work normally when they share a single antenna.

[0095] The switch can switch between transmitting and receiving radio frequency signals, as well as between different frequency bands.

[0096] The aforementioned radio frequency (RF) front-end may include multiple filtering components. For example, these components may include filters, duplexers, and power amplifiers. The poor amplitude-frequency response of these filtering components within the signal channel leads to poor accuracy in data transmission from the RF front-end.

[0097] In related technologies, a feedback loop can be set up in the RF front-end to compensate for the amplitude-frequency response degradation caused by filtering devices. The feedback loop can determine the amplitude-frequency response compensation coefficient of the terminal device and calibrate the RF signal passing through the filtering devices according to the amplitude-frequency response compensation coefficient to compensate for the amplitude-frequency response degradation caused by the filtering devices. However, there is usually another filter set after the feedback loop of the RF front-end, which makes it impossible for the amplitude-frequency response compensation coefficient determined by the feedback loop to accurately compensate for the amplitude-frequency response degradation, resulting in poor data transmission accuracy of the RF front-end.

[0098] In view of this, this application provides a method for determining the compensation coefficient. This method allows control of a terminal device to sequentially transmit multiple test signals of specified power at multiple specified frequency points. It also allows control of a power meter to measure the power of the multiple test signals transmitted by the terminal device, and allows determination of the amplitude-frequency response compensation coefficient of the terminal device based on the power measured by the power meter. This method can compensate for the amplitude-frequency response degradation caused by all filtering devices in the RF front-end of the terminal device, improving the accuracy of the amplitude-frequency response compensation coefficient and resulting in higher accuracy of data transmission from the RF front-end of the terminal device.

[0099] The technical solutions of this application will be described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments.

[0100] Figure 3 This is a flowchart illustrating a method for determining a compensation coefficient, as provided in an embodiment of this application. Figure 3 As shown, the method in this embodiment includes:

[0101] S301. Determine the target test power of the terminal device to be tested.

[0102] The execution entity in this application embodiment can be a compensation coefficient determination device. The compensation coefficient determination device can be implemented by software or by a combination of software and hardware.

[0103] The terminal device can be a communication device with a radio frequency front-end. For example, the terminal device can be a mobile phone, tablet computer, etc.

[0104] In this embodiment, the terminal device can send a test signal. The test signal can be used to determine the amplitude-frequency response compensation coefficient of the terminal device.

[0105] The target test power can be the power of the test signal sent by the terminal device.

[0106] In one possible implementation, the power of the signal transmitted by the terminal device during normal operation can be determined as the target test power. For example, the signal can be a video signal or an audio signal.

[0107] It should be noted that the power of the signal transmitted by the terminal device during normal operation can be obtained from the terminal device's configuration information.

[0108] For example, assuming the power of the voice signal transmitted by the terminal device is 20W, then 20W can be determined as the target test power.

[0109] Another possible approach is to determine the target test power experimentally. The specific implementation details of this experiment can be found in S402, and will not be elaborated upon here.

[0110] S302. Control terminal equipment to transmit multiple test signals sequentially at multiple frequency points according to the target test power.

[0111] Multiple frequency points can be the frequency points in the frequency band that require amplitude-frequency response compensation.

[0112] It should be noted that the frequency band for which amplitude-frequency response compensation is required can be any frequency band that any terminal device can transmit signals, and this application embodiment does not limit this.

[0113] In this embodiment, the multiple frequency points can be frequency points that are evenly distributed in the frequency band where amplitude-frequency response compensation is required, with a fixed frequency interval.

[0114] For example, assuming a fixed frequency interval of 1 MHz, the frequency band for which the terminal device needs amplitude-frequency response compensation is 909 MHz-915 MHz. Then, multiple frequency points can be multiple frequency points starting from 909 MHz and ending at 915 MHz, with intervals of 1 MHz. That is, the multiple frequency points can be: 909 MHz, 910 MHz, 911 MHz, 912 MHz, 913 MHz, 914 MHz, and 915 MHz.

[0115] In this embodiment, the terminal device can be controlled to transmit multiple test signals sequentially at multiple frequency points according to the target test power by means of transmission commands.

[0116] Specifically, a transmission command can be sent to the terminal device. The transmission command includes multiple frequency points and a target test power. The transmission command is used to instruct the terminal device to transmit test signals at multiple frequency points according to the target test power.

[0117] For example, suppose the transmission command includes multiple frequency points of 909MHz, 910MHz, 911MHz, 912MHz, 913MHz, 914MHz, and 915MHz, and the target test power is 20W. Then, the terminal device can transmit a test signal with a power of 20W at the corresponding frequency points of 909MHz, 910MHz, 911MHz, 912MHz, 913MHz, 914MHz, and 915MHz, respectively, according to the transmission command.

[0118] S303. Obtain the power of multiple targets by the power measuring device when testing multiple test signals.

[0119] In this embodiment, the power measuring device can measure the power of multiple test signals sent by the terminal device.

[0120] It should be understood that a power measuring instrument can be any device with power measurement capabilities. For example, a power measuring instrument can be a spectrum analyzer or a comprehensive test instrument.

[0121] For any given test signal, the target measured power can be the power of the test signal measured by the power meter.

[0122] In this embodiment, multiple target measured powers of multiple test signals can be obtained from the power measuring device.

[0123] For example, suppose the terminal device sequentially transmits test signals with a target test power of 20W on seven frequency points. The power meter can sequentially measure the power of these seven test signals. Assuming the power meter sequentially measures the seven target power values ​​as 19.94W, 19.85W, 19.88W, 19.79W, 19.84W, 19.98W, and 19.84W, then these seven target power values ​​can be obtained from the power meter.

[0124] S304. Determine the amplitude-frequency response compensation coefficient of the terminal equipment based on the measured power of multiple targets.

[0125] In this embodiment, the amplitude-frequency response compensation coefficient of the terminal device can be determined in the following way: determine the amplitude value corresponding to each target measured power to obtain multiple amplitude values; normalize the multiple amplitude values ​​to obtain multiple normalized amplitude values; and determine multiple amplitude-frequency response compensation coefficients of the terminal device at multiple frequency points based on the multiple normalized amplitude values.

[0126] For any given target measured power, the method for determining the amplitude-frequency response compensation coefficient at the corresponding frequency point is consistent. Below, we will explain the method for determining the amplitude-frequency response compensation coefficient at the corresponding frequency point using any given target measured power as an example.

[0127] In this embodiment, the target measured power can be converted into an amplitude value based on the conversion relationship between the target measured power and the amplitude value. The converted amplitude value can then be normalized to obtain the amplitude-frequency response compensation coefficient for the frequency point corresponding to the target measured power.

[0128] It should be noted that the conversion relationship between target measurement power and amplitude value, as well as the amplitude value normalization processing method, can be found in related technologies, and this application does not limit the embodiments thereto.

[0129] The compensation coefficient determination method provided in this embodiment can determine the target test power of the terminal device under test, control the terminal device to sequentially transmit multiple test signals at multiple frequency points according to the target test power, acquire multiple target measurement powers of the multiple test signals by the power measuring device, and determine the amplitude-frequency response compensation coefficient of the terminal device based on the multiple target measurement powers. Through the above method, the amplitude-frequency response degradation caused by all filtering devices in the RF front-end of the terminal device can be compensated, improving the accuracy of the amplitude-frequency response compensation coefficient of the terminal device and resulting in higher accuracy of data transmission from the RF front-end of the terminal device.

[0130] Based on the above embodiments, the target test power can also be determined experimentally. Below, in conjunction with... Figure 4 The test method for determining the target test power is explained.

[0131] Figure 4 This is a flowchart illustrating another method for determining the compensation coefficient provided in an embodiment of this application. Figure 4 As shown, the method in this embodiment includes:

[0132] S401. Determine the initial test power and preset frequency.

[0133] The execution entity in this application embodiment can be a compensation coefficient determination device. The compensation coefficient determination device can be implemented by software or by a combination of software and hardware.

[0134] The initial test power can be the desired target test power.

[0135] The preset frequency point can be any frequency point in the frequency band where amplitude-frequency response compensation is required.

[0136] In this embodiment, the initial test power can be determined according to actual needs, and any frequency point in the frequency band that needs amplitude-frequency response compensation can be determined as the preset frequency point.

[0137] S402. Based on the initial test power and preset frequency, control the terminal equipment to transmit signals until the target test power is determined.

[0138] In this embodiment, the i-th test power can be determined based on the initial test power, the preset step size, and i. The i-th test power is equal to the initial test power minus i times the preset step size. The terminal device is controlled to transmit the i-th signal at a preset frequency point according to the i-th test power. Two i-th measurement powers are obtained by the power measuring device measuring the i-th signal. The measurement delays of the two i-th measurement powers are different. Here, i takes values ​​of 0, 1, 2, 3, ..., until the absolute value of the difference between the two i-th measurement powers is less than or equal to a preset threshold. Then, the i-th test power is determined as the target test power. Alternatively, if the i-th test power is less than or equal to the preset test power, the preset test power is determined as the target test power.

[0139] The preset step size can be set according to actual needs, and this embodiment does not limit it. For example, the preset step size can be 1MHz or 0.5MHz, etc.

[0140] The preset threshold can be set according to actual needs, and this embodiment does not limit it. For example, the preset threshold can be 0.5dBm or 0.6dBm, etc.

[0141] The preset test power can be the minimum value of the target test power.

[0142] The measurement delay can be 0 or t, where t is greater than 0.

[0143] In this embodiment, the value of the measurement delay t can be determined according to actual needs, and this application does not limit it. The measurement delays of the two i-th measured powers can be 0 and t, respectively.

[0144] Specifically, an i-th test command can be sent to the terminal device, instructing the terminal device to transmit the i-th signal at a preset frequency and with an i-th test power. The i-th test command includes the preset frequency and the i-th test power. After receiving the i-th test command, the terminal device can transmit the i-th signal according to the i-th test command. The transmission frequency of the i-th signal can be the preset frequency, and the power of the i-th signal can be the i-th test power. After the terminal device transmits the i-th signal, the power measuring device can measure the two i-th measured powers of the i-th signal with a delay of 0 and a delay of t, respectively. After the power measuring device measures the two i-th measured powers, the compensation coefficient determining device can obtain the two i-th measured powers from the power measuring device. After obtaining the two i-th measured powers, the two i-th measured powers can be judged, and the target test power can be determined based on the judgment result.

[0145] If the absolute value of the difference between the two i-th measured power values ​​is less than or equal to a preset threshold, the i-th test power is determined as the target test power, and the power measuring device is instructed to measure the target test power of the test signal with a delay of 0. If the absolute value of the difference between the two i-th measured power values ​​is greater than the preset threshold, and the i-th measured power is greater than the preset test power, then the (i+1)-th test command is sent to the terminal device. The (i+1)-th test command includes a preset frequency point and the (i+1)-th test power. The (i+1)-th test command is used to instruct the terminal device to transmit the (i+1)-th signal at the preset frequency point according to the (i+1)-th test power. This continues until the absolute value of the difference between the two (i+1)-th measured power values ​​is less than or equal to the preset threshold, at which point the (i+1)-th test power is determined as the target test power, and the power measuring device is instructed to measure the target test power of the test signal with a delay of 0. If the absolute value of the difference between the two i-th measured power values ​​is greater than the preset threshold, and the i-th measured power is less than or equal to the preset test power, then the i-th test power is determined as the target test power, and the power measuring device is instructed to measure the target test power of the test signal with a delay of t.

[0146] S403, Determine multiple frequency points.

[0147] In this embodiment, multiple frequency points can be determined in the following way: a first frequency band is determined based on preset frequency points, the first frequency band including preset frequency points; a preset frequency difference is determined; multiple frequency points are determined based on the first frequency band and the preset frequency difference, the multiple frequency points are located within the first frequency band, and the frequency difference between two adjacent frequency points among the multiple frequency points is the preset frequency difference.

[0148] The first frequency band can be the frequency band that requires amplitude-frequency response compensation.

[0149] Specifically, the frequency band where the preset frequency point is located can be determined as the first frequency band.

[0150] For example, suppose the preset frequency is 910MHz, the frequency band where the preset frequency is located is 909MHz-915MHz, and the preset frequency difference is 1MHz. Then the first frequency band can be the 909MHz-915MHz frequency band, and the multiple frequency points can be 909MHz, 910MHz, 911MHz, 912MHz, 913MHz, 914MHz, and 915MHz respectively.

[0151] S404. Control terminal equipment to transmit multiple test signals sequentially at multiple frequency points according to the target test power.

[0152] In this embodiment, the control terminal device sequentially transmits multiple test signals at multiple frequency points according to the target test power, including at least the following two methods:

[0153] Method 1: The number of multiple frequency points is M, where M is an integer greater than 1; send the j-th transmission command to the terminal device, which includes the j-th frequency point and the target test power; j takes the values ​​1, 2, ..., M in sequence; wherein, the j-th transmission command is used to instruct the terminal device to transmit a test signal at the j-th frequency point according to the target test power.

[0154] In this method, multiple transmission commands can be sent to the terminal device, and the number of transmission commands can be the same as the number of frequency points. Each transmission command can include the target test power and a frequency point.

[0155] For example, assuming the target test power is 20W and the number of frequency points is 7, namely 909MHz, 910MHz, 911MHz, 912MHz, 913MHz, 914MHz, and 915MHz, then 7 transmission commands can be sent to the terminal device sequentially. The first transmission command may include the frequency point 909MHz and the target test power of 20W; the second transmission command may include the frequency point 910MHz and the target test power of 20W; the third transmission command may include the frequency point 911MHz and the target test power of 20W; the fourth transmission command may include the frequency point 912MHz and the target test power of 20W; the fifth transmission command may include the frequency point 913MHz and the target test power of 20W; the sixth transmission command may include the frequency point 914MHz and the target test power of 20W; and the seventh transmission command may include the frequency point 915MHz and the target test power of 20W.

[0156] Accordingly, the terminal device can receive seven transmission commands and send corresponding test signals in sequence according to these seven transmission commands. For example, it can send a test signal with a power of 20W at a frequency of 909MHz according to the first transmission command.

[0157] Method 2: Send a transmission command to the terminal device. The transmission command includes multiple frequency points and a target test power. The transmission command is used to instruct the terminal device to transmit test signals at multiple frequency points according to the target test power.

[0158] In this method, a single transmission command can be sent to the terminal device, which may include multiple frequency points and the target test power.

[0159] For example, assuming the target test power is 20W, and the multiple frequency points are 909MHz, 910MHz, 911MHz, 912MHz, 913MHz, 914MHz, and 915MHz respectively, then a transmission command can be sent to the terminal device. This transmission command may include the multiple frequency points 909MHz, 910MHz, 911MHz, 912MHz, 913MHz, 914MHz, and 915MHz; the transmission command may also include the target test power of 20W.

[0160] Accordingly, the terminal device can receive the transmission command and, based on the transmission command, send a test signal with a power of 20W on each frequency point.

[0161] S405. Obtain the power of multiple targets measured by the power measuring device for testing multiple test signals.

[0162] S406. Determine the amplitude-frequency response compensation coefficient of the terminal equipment based on the measured power of multiple targets.

[0163] It should be noted that the specific implementation methods of S405-S406 can be found in S303-S304, and will not be repeated here.

[0164] The compensation coefficient determination method provided in this embodiment can determine the initial test power and preset frequency point. Based on the initial test power and preset frequency point, it can control the terminal device to transmit signals until the target test power is determined. It can determine multiple frequency points and control the terminal device to sequentially transmit multiple test signals at multiple frequency points according to the target test power. It can obtain multiple target measurement powers of the power measuring device testing multiple test signals and determine the amplitude-frequency response compensation coefficient of the terminal device based on the multiple target measurement powers. Through this method, the amplitude-frequency response degradation caused by all filtering devices in the RF front-end of the terminal device can be compensated, improving the accuracy of the amplitude-frequency response compensation coefficient and resulting in higher accuracy of data transmission from the RF front-end of the terminal device.

[0165] Figure 5 This application provides a compensation coefficient determination device as an embodiment. Please refer to [link to relevant documentation]. Figure 5 The compensation coefficient determining device 10 includes a determining module 11, a control module 12, and an acquisition module 13, wherein...

[0166] The determining module 11 is used to determine the target test power of the terminal device to be tested;

[0167] The control module 12 is used to control the terminal device to transmit multiple test signals sequentially at multiple frequency points according to the target test power;

[0168] The acquisition module 13 is used to acquire multiple target measured power values ​​obtained by the power measuring device for testing the multiple test signals.

[0169] The determining module 11 is further configured to determine the amplitude-frequency response compensation coefficient of the terminal device based on the plurality of target measured power.

[0170] The compensation coefficient determination device provided in this application embodiment can execute the scheme shown in the above method embodiment. Its implementation principle and beneficial effects are similar, and will not be described again here.

[0171] In one possible implementation, the determining module 11 is specifically used for,

[0172] Determine the initial test power and preset frequency.

[0173] Based on the initial test power and the preset frequency, the terminal device is controlled to transmit signals until the target test power is determined.

[0174] In one possible implementation, the determining module 11 is specifically used for,

[0175] Based on the initial test power, the preset step size, and i, the i-th test power is determined, and the i-th test power is equal to the initial test power minus i times the preset step size;

[0176] The terminal device is controlled to transmit the i-th signal at the preset frequency point according to the i-th test power;

[0177] The power meter acquires two i-th measured powers of the i-th signal, wherein the measurement delays of the two i-th measured powers are different;

[0178] Wherein, i takes the values ​​0, 1, 2, 3, ..., until the absolute value of the difference between the two i-th measured powers is less than or equal to a preset threshold, at which point the i-th measured power is determined as the target measured power; or when the i-th measured power is less than or equal to a preset measured power, the preset measured power is determined as the target measured power.

[0179] In one possible implementation, the determining module 11 is specifically used for,

[0180] Send the i-th test command to the terminal device, wherein the i-th test command includes the preset frequency point and the i-th test power;

[0181] The i-th test instruction is used to instruct the terminal device to transmit the i-th signal at the preset frequency point according to the i-th test power.

[0182] In one possible implementation, the control module 12 is specifically used for,

[0183] The plurality of frequency points are determined, wherein the number of the plurality of frequency points is M, and M is an integer greater than 1;

[0184] Send the j-th transmission command to the terminal device, the j-th transmission command including the j-th frequency point and the target test power; j takes the values ​​1, 2, ..., M in sequence;

[0185] The j-th transmit command is used to instruct the terminal device to transmit a test signal at the j-th frequency point according to the target test power.

[0186] In one possible implementation, the control module 12 is specifically used for,

[0187] Determine the multiple frequency points;

[0188] A transmission command is sent to the terminal device. The transmission command includes the plurality of frequency points and the target test power. The transmission command is used to instruct the terminal device to transmit test signals at the plurality of frequency points according to the target test power.

[0189] In one possible implementation, the control module 12 is specifically used for,

[0190] A first frequency band is determined based on the preset frequency point, wherein the first frequency band includes the preset frequency point;

[0191] Determine the preset frequency difference;

[0192] Based on the first frequency band and the preset frequency difference, the plurality of frequency points are determined, the plurality of frequency points are located within the first frequency band, and the frequency difference between two adjacent frequency points among the plurality of frequency points is the preset frequency difference.

[0193] In one possible implementation, the determining module 11 is specifically used for,

[0194] Determine the amplitude value corresponding to the measured power of each target to obtain multiple amplitude values;

[0195] The multiple amplitude values ​​are normalized to obtain multiple normalized amplitude values;

[0196] Based on the multiple normalized amplitude values, the multiple amplitude-frequency response compensation coefficients of the terminal device at multiple frequency points are determined.

[0197] The compensation coefficient determination device provided in this application embodiment can execute the scheme shown in the above method embodiment. Its implementation principle and beneficial effects are similar, and will not be described again here.

[0198] Figure 6 A schematic diagram of the hardware structure of the compensation coefficient determination device provided in this application. Please refer to [link / reference]. Figure 6 The compensation coefficient determining device 20 may include a processor 21 and a memory 22, wherein the processor 21 and the memory 22 can communicate; for example, the processor 21 and the memory 22 communicate via a communication bus 23, the memory 22 is used to store program instructions, and the processor 21 is used to call the program instructions in the memory to execute the compensation coefficient determining method shown in any of the above method embodiments.

[0199] Optionally, the compensation coefficient determining device 20 may also include a communication interface, which may include a transmitter and / or a receiver.

[0200] Optionally, the aforementioned processor can be a Central Processing Unit (CPU), or other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), etc. The general-purpose processor can be a microprocessor or any conventional processor. The steps of the method disclosed in this application can be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules within the processor.

[0201] This application also provides a computer-readable storage medium storing a computer program. When the computer program is executed by a computer, it implements the compensation coefficient determination method as described in any of the above method embodiments. The implementation principle and technical effects are similar, and will not be repeated here.

[0202] This application also provides a computer program product, including a computer program. When the computer program is executed by a computer, it implements the compensation coefficient determination method as described in any of the above method embodiments. The implementation principle and technical effect are similar, and will not be repeated here.

[0203] All or part of the steps in the above method embodiments can be implemented by hardware related to program instructions. The aforementioned program can be stored in a readable memory. When the program is executed, it performs the steps of the above method embodiments; and the aforementioned memory (storage medium) includes: read-only memory (ROM), RAM, flash memory, hard disk, solid-state drive, magnetic tape, floppy disk, optical disk, and any combination thereof.

[0204] This application describes embodiments of methods, apparatus (systems), and computer program products according to embodiments of this application with reference to flowchart illustrations and / or block diagrams. It should be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processing unit of a general-purpose computer, special-purpose computer, embedded processor, or other programmable terminal device to produce a machine, such that the instructions, which execute via the processing unit of the computer or other programmable terminal device, generate instructions for implementing the flowchart illustrations. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0205] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable terminal device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0206] These computer program instructions can also be loaded onto a computer or other programmable terminal device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable device for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0207] Obviously, those skilled in the art can make various modifications and variations to the embodiments of this application without departing from the spirit and scope of this application. Therefore, if these modifications and variations to the embodiments of this application fall within the scope of the claims of this application and their equivalents, this application also intends to include these modifications and variations.

[0208] In this application, the term "comprising" and its variations can refer to non-limiting inclusion; the term "or" and its variations can refer to "and / or". The terms "first", "second", etc., in this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. In this application, "multiple" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. The character " / " generally indicates that the preceding and following related objects have an "or" relationship.

Claims

1. A method for determining a compensation coefficient, characterized in that, include: Determine the initial test power and preset frequency. Based on the initial test power, the preset step size, and i, the i-th test power is determined, and the i-th test power is equal to the initial test power minus i times the preset step size; Control the terminal device under test to transmit the i-th signal at the preset frequency point according to the i-th test power; Two i-th measured powers are obtained by the power measuring device measuring the i-th signal, and the measurement delays of the two i-th measured powers are different; Wherein, i takes the values ​​0, 1, 2, 3, ... until the absolute value of the difference between the two i-th measured powers is less than or equal to a preset threshold, the i-th test power is determined as the target test power of the terminal device; or when the i-th test power is less than or equal to a preset test power, the preset test power is determined as the target test power of the terminal device. The terminal device is controlled to transmit multiple test signals sequentially at multiple frequency points according to the target test power; The power of multiple targets is measured by the power measuring device on the multiple test signals; The amplitude-frequency response compensation coefficient of the terminal device is determined based on the measured power of the multiple targets.

2. The method according to claim 1, characterized in that, Controlling the terminal device under test to transmit the i-th signal at the preset frequency point according to the i-th test power includes: Send the i-th test command to the terminal device, wherein the i-th test command includes the preset frequency point and the i-th test power; The i-th test instruction is used to instruct the terminal device to transmit the i-th signal at the preset frequency point according to the i-th test power.

3. The method according to claim 1, characterized in that, Controlling the terminal device to sequentially transmit multiple test signals at multiple frequency points according to the target test power includes: The plurality of frequency points are determined, wherein the number of the plurality of frequency points is M, and M is an integer greater than 1; Send the j-th transmission command to the terminal device, the j-th transmission command including the j-th frequency point and the target test power; j takes the values ​​1, 2, ..., M in sequence; The j-th transmit command is used to instruct the terminal device to transmit a test signal at the j-th frequency point according to the target test power.

4. The method according to claim 1, characterized in that, Controlling the terminal device to sequentially transmit multiple test signals at multiple frequency points according to the target test power includes: Determine the multiple frequency points; A transmission command is sent to the terminal device. The transmission command includes the plurality of frequency points and the target test power. The transmission command is used to instruct the terminal device to transmit test signals at the plurality of frequency points according to the target test power.

5. The method according to claim 3 or 4, characterized in that, Determining the plurality of frequency points includes: A first frequency band is determined based on a preset frequency point, wherein the first frequency band includes the preset frequency point; Determine the preset frequency difference; Based on the first frequency band and the preset frequency difference, the plurality of frequency points are determined, the plurality of frequency points are located within the first frequency band, and the frequency difference between two adjacent frequency points among the plurality of frequency points is the preset frequency difference.

6. The method according to claim 1, characterized in that, Based on the multiple target measured powers, the amplitude-frequency response compensation coefficient of the terminal device is determined, including: Determine the amplitude value corresponding to the measured power of each target to obtain multiple amplitude values; The multiple amplitude values ​​are normalized to obtain multiple normalized amplitude values; Based on the multiple normalized amplitude values, the multiple amplitude-frequency response compensation coefficients of the terminal device at multiple frequency points are determined.

7. A compensation coefficient determining device, characterized in that, It includes a determination module, a control module, and an acquisition module, among which, The determining module is used to determine the initial test power and the preset frequency point; The determining module is further configured to determine the i-th test power based on the initial test power, the preset step size, and i, wherein the i-th test power is equal to the initial test power minus i times the preset step size; The control module is used to control the terminal device under test to transmit the i-th signal at the preset frequency point according to the i-th test power; The acquisition module is used to acquire two i-th measured powers measured by the power measuring device on the i-th signal, wherein the measurement delays of the two i-th measured powers are different; Wherein, i takes the values ​​0, 1, 2, 3, ..., until the absolute value of the difference between the two i-th measured powers is less than or equal to a preset threshold, the determining module is further configured to determine the i-th test power as the target test power of the terminal device, or when the i-th test power is less than or equal to the preset test power, determine the preset test power as the target test power of the terminal device; The control module is also used to control the terminal device to transmit multiple test signals sequentially at multiple frequency points according to the target test power; The acquisition module is also used to acquire multiple target measured power values ​​obtained by the power measuring device for testing the multiple test signals; The determining module is further configured to determine the amplitude-frequency response compensation coefficient of the terminal device based on the plurality of target measured power.

8. A compensation coefficient determination device, characterized in that, Includes a processor and a memory communicatively connected to the processor; The memory stores computer programs; The processor executes the computer program to implement the method as described in any one of claims 1 to 6.

9. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program that, when executed by a computer, implements the method as described in any one of claims 1 to 6.

10. A computer program product, characterized in that, It includes a computer program that, when executed by a computer, implements the method as described in any one of claims 1 to 6.

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