CN116209049B - Full-link signal power self-adaptive optimization method for intelligent channel simulator - Google Patents
Full-link signal power self-adaptive optimization method for intelligent channel simulator Download PDFInfo
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Abstract
本申请涉及一种智能化信道模拟器全链路信号功率自适应优化方法，涉及信道模拟技术领域。所述方法包括：通过构建智能化全链路信号功率自适应优化的信道模拟器，基于获取的被测系统的功率适配参数，在算法模块运算驱动下，自动检测当前射频输入信号功率、射频输出信号功率和ADC采样信号功率，自适应调整接收射频通道动态增益、发射射频通道动态增益，联动优化ADC采样信号二次量化设置和DAC输出信号功率设置，实现对信道模拟器全链路信号功率的智能优化和高效配置，采用本发明所提方法可以更加便捷自动地匹配所对应的被测试系统信号收发设备的输入、输出信号功率，能够智能地实现良好信道模拟信号质量的需求。
The present application relates to an adaptive optimization method for full-link signal power of an intelligent channel simulator, and relates to the technical field of channel simulation. The method includes: by constructing an intelligent full-link signal power self-adaptive optimized channel simulator, based on the obtained power adaptation parameters of the system under test, and driven by the operation of the algorithm module, automatically detecting the current radio frequency input signal power, radio frequency Output signal power and ADC sampling signal power, adaptively adjust the dynamic gain of the receiving RF channel and the dynamic gain of the transmitting RF channel, and jointly optimize the secondary quantization setting of the ADC sampling signal and the DAC output signal power setting to realize the full link signal power of the channel simulator Intelligent optimization and high-efficiency configuration, using the method proposed by the present invention can more conveniently and automatically match the input and output signal power of the corresponding signal transceiver equipment of the system under test, and can intelligently realize the requirement of good channel analog signal quality.
Description
Technical Field
The application relates to the technical field of channel simulation, in particular to a full-link signal power self-adaptive optimization method of an intelligent channel simulator.
Background
The channel simulator is commonly used for supporting the test of system signal receiving and transmitting equipment such as wireless communication, radar, navigation and the like, and constructing the equivalent propagation channel environment of wireless signals under the wired condition. For a wireless signal receiving and transmitting system with specific functions, the signal transmitting power and the receiving power have specific design ranges so as to ensure the running performance of the system, and the channel simulator with intelligent design can automatically match the corresponding specific design ranges when providing channel simulation test environment access for different signal links of different systems, and make specific power optimization configuration of each link of an internal link on the basis, thereby ensuring higher channel simulation signal quality.
However, the current channel signal power adjustment method only considers the expansion of the self output power adjustment range of the channel simulator, or only improves the link signal quality by adjusting the radio frequency signal power, reduces adjacent channel interference, does not fully consider adaptive detection, identification and adjustment of the input and output signal power, and jointly adjusts the power on the digital and analog signal domains to improve the output signal quality, lacks the optimal configuration of the power of each link of the internal link of the channel simulator, and is difficult to meet the intelligent and convenient navigation channel simulation requirement.
Disclosure of Invention
Based on the above, it is necessary to provide an intelligent channel simulator full-link signal power adaptive optimization method capable of automatically matching the input signal power and the output signal power of the signal transceiver of the corresponding tested system more conveniently and more intelligently to meet the output radio frequency signal quality requirement of the channel simulator.
An intelligent channel simulator full-link signal power adaptive optimization method, the method comprising:
the method comprises the steps of constructing an intelligent channel simulator comprising a man-machine interaction interface, an intelligent full-link power linkage control algorithm module, a receiving radio frequency channel, a transmitting radio frequency channel, a sampling preprocessing module, a signal recovery processing module, a receiving channel power closed-loop adjustment link, a digital channel power closed-loop adjustment link and a transmitting channel power closed-loop adjustment link;
according to the power adaptation parameters of the tested system acquired by the man-machine interaction interface and the signal power detection results of the tested system acquired by the receiving radio frequency channel and the transmitting radio frequency channel, respectively adjusting the gains of the power detection special adjustable gain controllers in the receiving radio frequency channel and the transmitting radio frequency channel in the receiving channel power closed-loop adjustment link and the transmitting channel power closed-loop adjustment link, and carrying out signal power optimization detection according to the power detection special adjustable gain controllers after gain adjustment to obtain signal power optimization detection results;
under the operation drive of an intelligent full-link power linkage control algorithm module, based on the optimal input/output power matching of a tested system and the optimal output signal quality constraint of a channel simulator, carrying out integral linkage self-adaptive optimization operation on the full-link signal power of the channel simulator according to the power adaptation parameter, the signal power optimization detection result and the ADC sampling signal power acquired by a sampling preprocessing module to obtain an integral linkage self-adaptive optimization operation result; the integrated linkage self-adaptive optimization operation result comprises a receiving radio frequency channel, a sampling preprocessing module, a signal recovery processing module and signal power configuration parameters of a transmitting radio frequency channel;
and according to the integral linkage self-adaptive optimization operation result, in the closed-loop adjustment link of the power of the receiving channel, the closed-loop adjustment link of the power of the digital channel and the closed-loop adjustment link of the power of the transmitting channel, the signal power of the full link of the channel simulator is self-adaptively adjusted and optimized, and the automatic matching of the input signal power and the output signal power of the signal receiving and transmitting equipment of the tested system is realized.
In one embodiment, the power adaptation parameters of the tested system acquired by the man-machine interaction interface include a type of the tested system set in advance or manually, and an input signal optimal power parameter and an output signal optimal power parameter corresponding to the matching.
In one embodiment, the signal power detection result includes a radio frequency input signal power and a radio frequency output signal power, and the signal power optimization detection result includes an optimized radio frequency input signal power and an optimized radio frequency output signal power;
according to the power adapting parameters of the tested system obtained by the man-machine interaction interface and the signal power detection results of the tested system obtained by the receiving radio frequency channel and the transmitting radio frequency channel, respectively adjusting the gains of the power detection special adjustable gain controllers in the receiving radio frequency channel and the transmitting radio frequency channel in the receiving channel power closed-loop adjustment link and the transmitting channel power closed-loop adjustment link, and carrying out signal power optimization detection according to the power detection special adjustable gain controllers after gain adjustment to obtain the signal power optimization detection results, the method comprises the following steps:
in a closed loop power adjustment link of a receiving channel, optimal power parameters according to an input signal
The power of the radio frequency input signal detected by the receiving radio frequency channel and the default gain of the receiving radio frequency channel are actively adjusted to the gain of the special adjustable gain controller for power detection in the receiving radio frequency channel>
；
In a transmit channel power closed loop adjustment link, an optimum power parameter is based on an output signal
Radio frequency output signal power detected by a transmitting radio frequency channel and default gain of the transmitting radio frequency channel, a main partGain of special adjustable gain controller for power detection in dynamic adjustment transmitting radio frequency channel>
；
Will be
And->
As an initial setting to match the type of system under test, according to +.>
And->
And controlling the radio frequency input signal power and the radio frequency output signal power in the optimal power detection range of the special power detection chip in the corresponding channel to perform signal power optimal detection to obtain the optimal radio frequency input signal power and the optimal radio frequency output signal power.
In one of the embodiments of the present invention,
and->
The following constraints are satisfied:
wherein,,
minimum detectable signal power of a dedicated adjustable gain controller for power detection in a receiving radio frequency channel,/->
Maximum detectable signal power of an adjustable gain controller dedicated for power detection in a receiving radio frequency channel,/->
Minimum detectable signal power of an adjustable gain controller dedicated for power detection in a transmit radio frequency channel,/->
The maximum detectable signal power of the dedicated adjustable gain controller is detected for power in the transmit radio frequency channel.
In one embodiment, the signal power related configuration parameters of the receiving radio frequency channel, the sampling preprocessing module, the signal recovery processing module, and the transmitting radio frequency channel include: receiving radio frequency channel adjustment gain, ADC sampling signal secondary quantization setting, DAC output signal power setting and transmitting radio frequency channel adjustment gain;
under the operation drive of the intelligent full-link power linkage control algorithm module, based on the optimal input/output power matching of the tested system and the optimal output signal quality constraint of the channel simulator, the full-link signal power of the channel simulator is subjected to integral linkage self-adaptive optimization operation according to the power adaptation parameter, the signal power optimization detection result and the ADC sampling signal power acquired by the sampling preprocessing module, so as to obtain an integral linkage self-adaptive optimization operation result, which comprises the following steps:
under the operation drive of the intelligent full-link power linkage control algorithm module, based on the optimal input/output power matching of the tested system and the optimal output signal quality constraint of the channel simulator, the optimal sampling signal power of the ADC is preset
And optimized radio frequency input signal power +.>
Calculating to obtain the adjustment gain of the receiving radio frequency channel>
；
ADC sampling signal power obtained according to sampling preprocessing module
And the type of the tested system, in the relation mapping table of the preset ADC input signal power and the secondary quantization setting of the sampling signal, inquiring and acquiring the corresponding secondary quantization setting of the ADC sampling signal +.>
；
According to
And digital channel analog data transmission bit mapping relation to obtain DAC input signal power
According to->
Adjusting the corresponding DAC output signal power setting +.>
；
Optimum power parameter according to output signal
And optimized RF output signal power +.>
Calculating to obtain the adjustment gain of the transmitting radio frequency channel>
。
In one of the embodiments of the present invention,
and->
The following constraints are satisfied:
wherein,,
for receiving the initial power gain of the radio frequency channel, +.>
Initial power gain for the transmit radio frequency channel.
In one embodiment, according to an integrally linked adaptive optimization operation result, in a closed loop adjustment link of power of a receiving channel, a closed loop adjustment link of power of a digital channel, and a closed loop adjustment link of power of a transmitting channel, the adaptive adjustment optimizes signal power of a full link of a channel simulator, so as to realize automatic matching of input signal power and output signal power of a signal transceiver of a tested system, including:
adjusting gain based on a receiving radio frequency channel
In a closed loop adjustment link of the power of the receiving channel, automatically controlling and adjusting the current dynamic gain of the receiving radio frequency channel, detecting whether the adjustment gain error of the receiving radio frequency channel meets a first preset condition, and if so, considering +_, the receiving radio frequency channel is considered +_>
Is reasonable; otherwise, according to the gain error of the receiving radio frequency channel, the intelligent full-link power linkage control algorithm module is called to recalculate +.>
；
Setting according to ADC sampling signal secondary quantization
Value and DAC output signalNumber power setting->
In a digital channel power closed loop adjustment link, automatically controlling and optimizing ADC sampling signal secondary quantization setting of a current sampling preprocessing module and DAC output signal power setting of a current signal recovery processing module;
adjusting gain according to a transmit radio frequency channel
In a transmitting channel power closed loop adjusting link, automatically controlling and adjusting the current transmitting radio frequency channel dynamic gain, detecting whether the transmitting radio frequency channel adjusting gain error meets a second preset condition, and if so, considering +.>
Is reasonable; otherwise, according to the adjustment gain error of the transmitting radio frequency channel, the intelligent full-link power linkage control algorithm module is called to recalculate +.>
；
The self-adaptive adjustment and optimization of the signal power of the full link of the channel simulator are completed by adjusting and optimizing the current dynamic gain of the receiving radio frequency channel, the dynamic gain of the transmitting radio frequency channel, the secondary quantization setting of the ADC sampling signal of the current sampling preprocessing module and the DAC output signal power setting of the current signal recovery processing module, and the automatic matching of the input signal power and the output signal power of the signal receiving and transmitting equipment of the tested system is realized.
In one embodiment, the gain is adjusted according to the received RF channel
In a closed loop adjustment link of the power of the receiving channel, automatically controlling and adjusting the current dynamic gain of the receiving radio frequency channel, detecting whether the adjustment gain error of the receiving radio frequency channel meets a first preset condition, and if so, considering +_, the receiving radio frequency channel is considered +_>
Is reasonable; otherwise, according to the gain error of the receiving radio frequency channel, the intelligent full-link power linkage control algorithm module is called to recalculate +.>
Comprising:
adjusting gain based on a receiving radio frequency channel
In the closed loop adjusting link of the power of the receiving channel, the current dynamic gain of the receiving radio frequency channel is automatically controlled and adjusted, and the power of the sampling signal of the ADC is +.>
And a preset ADC optimal sampling signal power +.>
Detecting the gain error of the receiving RF channel>
Whether a first preset condition is met or not, wherein the first preset condition expression is as follows:
if it is
Satisfying a first preset condition, consider +.>
Is reasonable; otherwise, according to->
Invoking intelligent full-link power linkage control algorithm module to recalculate +.>
。
In one embodiment, the transmission is based onRadio frequency channel adjustment gain
In a transmitting channel power closed loop adjusting link, automatically controlling and adjusting the current transmitting radio frequency channel dynamic gain, detecting whether the transmitting radio frequency channel adjusting gain error meets a second preset condition, and if so, considering +.>
Is reasonable; otherwise, according to the adjustment gain error of the transmitting radio frequency channel, the intelligent full-link power linkage control algorithm module is called to recalculate +.>
Comprising:
adjusting gain according to a transmit radio frequency channel
In the closed loop adjusting link of the transmitting channel power, the current transmitting radio frequency channel dynamic gain is automatically controlled and adjusted, and the power of the optimized radio frequency output signal is +.>
And output signal optimum power parameter +.>
Detecting the gain error of the transmitting RF channel>
Whether the second preset condition is met, wherein the second preset condition expression is that
If it is
Satisfying the second preset condition, consider +.>
Is reasonable;otherwise, according to->
Invoking intelligent full-link power linkage control algorithm module to recalculate +.>
。
According to the intelligent channel simulator full-link signal power self-adaptive optimization method, the intelligent full-link signal power self-adaptive optimization channel simulator which comprises the man-machine interaction interface, the intelligent full-link power linkage control algorithm module, the receiving radio frequency channel, the transmitting radio frequency channel, the sampling preprocessing module, the signal recovery processing module, the receiving channel power closed-loop adjustment link, the digital channel power closed-loop adjustment link and the transmitting channel power closed-loop adjustment link is constructed, the linkage configuration of the optimal power range of the input and output signals of a tested system and the link power in the intelligent channel simulator is fully considered, intelligent configuration and efficient optimization of the full-link signal power of the channel simulator are realized, and the requirements of more conveniently and automatically matching the input and output signal power of corresponding tested system signal receiving and transmitting equipment and realizing good channel simulation signal quality are met.
Drawings
FIG. 1 is a schematic diagram of the links related to full link power detection and control of an intelligent channel simulator according to the method of the present invention in one embodiment;
fig. 2 is a flowchart of a full link signal power integrated linkage adaptive optimization according to the method of the present invention in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The channel simulator can construct a wireless signal equivalent propagation channel environment under a wired condition, supports the butt joint test of signal receiving and transmitting equipment of various wireless systems, and is generally designed to support a larger power range for an input radio frequency channel and an output radio frequency channel as the corresponding power ranges are needed to be adapted for wired access of the channel simulator firstly because the signal receiving and transmitting power ranges of different signal receiving and transmitting links of different systems are different, and the manual adjustment and adaptation are correspondingly carried out according to the difference of the signal receiving and transmitting equipment of the tested system. The channel gain passive adjustment can directly influence the ADC (analog-to-digital converter) sampling signal power in the channel simulator, change the ADC effective bit, directly influence the digital channel simulation effect, and simultaneously lead to the DAC (digital-to-analog converter) output signal power change, thereby influencing the output signal quality of a transmitting radio frequency channel and the like, and all the links need an integrated linkage self-adaptive optimization design in the intelligent channel simulator.
In one embodiment, the invention designs an intelligent full-link signal power self-adaptive optimization channel simulator which comprises a presettable and configurable man-machine interaction interface, an intelligent full-link power linkage control algorithm module, a power-detectable and adjustable receiving radio frequency channel and transmitting radio frequency channel, a power-estimated and quantized settable sampling preprocessing module, a signal recovery processing module with a settable output control word, a self-adaptive receiving channel power closed-loop adjustment link, a digital channel power closed-loop adjustment link, a transmitting channel power closed-loop adjustment link and the like.
The man-machine interaction interface is a main input source of power adaptation parameters of the system to be initially tested of the channel simulator, and the main design comprises the following steps:
support the function of presetting or manually setting parameters such as the type of the tested system and the optimal power of the matched input/output signal, wherein the preset type of the tested system comprises the corresponding preset optimal power parameters of the matched input radio frequency signal
Optimal power parameter of output radio frequency signal>
The method comprises the steps of carrying out a first treatment on the surface of the Manually set optional quiltThe system type is tested, the optimal power parameter of the corresponding preset matched input/output radio frequency signal is modified, the new system type to be tested can be defined, and the optimal power parameter of the corresponding preset matched input/output radio frequency signal is set.
The intelligent full-link power linkage control algorithm module is a driver for power self-adaptive adjustment of each link of the channel simulator, and is mainly designed to comprise:
performing algorithm operation related to full-link power linkage control based on optimal input/output power matching of a tested system and optimal output signal quality constraint of a channel simulator; supporting real-time inquiry of all relevant parameters such as power setting, detection results and the like of each link, and carrying out optimization of a full-link power linkage control strategy and calculation of control parameters; distributing the obtained full-link power linkage control parameters, inquiring again to form a closed loop link after all links are executed, and iterating operation, control and inquiry according to the power state of all links after adjustment until the full-link power setting reaches an optimized state.
The receiving radio frequency channel is used for self-adapting to the power of a radio frequency input signal, and the main design comprises the following steps:
the high-precision power detection of the radio frequency input signal is supported, and the detection result can be actively reported in real time; the power detection device is provided with an adjustable gain controller special for power detection, and the signal power input to the power detection chip of the receiving radio frequency channel is in a better detection range of the power detection chip of the receiving radio frequency channel through gain adjustment, so that a more accurate detection result is obtained; the method supports the large-range adjustment of the channel gain, can be driven by an intelligent full-link power linkage control algorithm module, and performs self-adaptive closed-loop adjustment on the received channel gain.
The sampling preprocessing module is used for completing digital received power detection and adjustment, and the main design comprises the following steps:
the high-precision power estimation of the ADC sampling signal is supported, and the estimation result is actively reported in real time; in order to ensure the channel analog signal quality, the method works under the condition of the optimal sampling signal power of the ADC as much as possible through the gain adjustment of the receiving radio frequency channel; the method supports control of secondary quantization setting of the ADC sampling signals, can be driven by an intelligent full-link power linkage control algorithm module, and performs self-adaptive closed-loop adjustment on the secondary quantization setting of the ADC sampling signals.
The signal recovery processing module is used for finishing digital transmitting power detection and adjustment, and the main design comprises:
the method supports the power control of the input signal of the DAC, thereby matching the adjustment of the secondary quantization setting of the ADC sampling signal and supporting the power setting control of the output signal of the DAC; in order to ensure the quality of the radio frequency signals output by the channel simulator, the channel simulator works as far as possible under the condition that the DAC output signal power is close to the optimal output power; and the intelligent full-link power linkage control algorithm module can be accepted to drive, and the self-adaptive closed-loop adjustment is carried out on the DAC output signal power setting.
The transmitting radio frequency channel is used for self-adapting radio frequency output signal power, and the main design comprises:
the high-precision power detection of the radio frequency output signal is supported, and the detection result can be actively reported in real time; the power detection device is provided with an adjustable gain controller special for power detection, and the signal power input to the power detection chip of the transmission radio frequency channel is in a better power detection range of the power detection chip of the transmission radio frequency channel through gain adjustment, so that a more accurate detection result is obtained; and the large-range adjustment of the channel gain is supported, and the intelligent full-link power linkage control algorithm module can be used for driving to carry out self-adaptive closed-loop adjustment on the gain of the transmitting radio frequency channel.
The main design of the receiving channel power closed loop adjustment link comprises:
actively adjusting the gain of a special adjustable gain controller for power detection in a receiving radio frequency channel according to the optimal power parameter of an input signal, the radio frequency input signal power detected by the receiving radio frequency channel and the default gain of the receiving radio frequency channel to obtain the optimal radio frequency input signal power; and according to the preset ADC optimal sampling signal power, the intelligent full-link power linkage control algorithm module calculates to drive the self-adaptive closed-loop adjustment of the dynamic gain of the receiving radio frequency channel, so as to meet the ADC optimal sampling signal power requirement.
The digital channel power closed loop regulation link mainly comprises the following steps:
according to the type of the tested system, the optimal power parameter of the input/output signal, the power of the ADC sampling signal and the like, the intelligent full-link power linkage control algorithm module is used for operation, so that the ADC sampling signal secondary quantization setting and the DAC output signal power setting are driven to carry out self-adaptive closed-loop adjustment, and the digital channel simulation requirement is met.
The transmission channel power closed loop adjustment link is mainly designed to comprise:
actively adjusting the gain of the special adjustable gain controller for power detection in the transmitting radio frequency channel according to the optimal power parameter of the output signal, the power of the radio frequency output signal detected by the transmitting radio frequency channel and the default gain of the transmitting radio frequency channel; and the dynamic gain of the transmitting radio frequency channel is driven to carry out self-adaptive closed-loop adjustment by the operation of an intelligent full-link power linkage control algorithm module, so that the requirement of the optimal output level of the tested system channel is met.
Among the above links, the links related to full link power detection and control mainly include: radio frequency input signal power detection, receiving radio frequency channel gain adjustment, ADC sampling signal power estimation, sampling signal secondary quantization setting adjustment, DAC output signal power setting adjustment, transmitting radio frequency channel gain adjustment, radio frequency output signal power detection and the like. The specific links are shown in fig. 1, and it should be noted that the links included in fig. 1 do not represent an implementation sequence, and all the links are driven and controlled by an intelligent full-link power linkage control algorithm module.
In one embodiment, the present invention performs the integrated linkage adaptive optimization of the full link signal power of the intelligent channel simulator based on the constructed intelligent full link signal power adaptive optimization channel simulator, and the specific implementation flow is shown in fig. 2, and it should be noted that the flow links included in fig. 2 do not represent the implementation sequence. The intelligent channel simulator all-link signal power integrated linkage self-adaptive optimization mainly comprises the following steps:
the method comprises the steps of constructing an intelligent channel simulator comprising a man-machine interaction interface, an intelligent full-link power linkage control algorithm module, a receiving radio frequency channel, a transmitting radio frequency channel, a sampling preprocessing module, a signal recovery processing module, a receiving channel power closed-loop adjustment link, a digital channel power closed-loop adjustment link and a transmitting channel power closed-loop adjustment link;
according to the power adaptation parameters of the tested system acquired by the man-machine interaction interface and the signal power detection results of the tested system acquired by the receiving radio frequency channel and the transmitting radio frequency channel, respectively adjusting the gains of the power detection special adjustable gain controllers in the receiving radio frequency channel and the transmitting radio frequency channel in the receiving channel power closed-loop adjustment link and the transmitting channel power closed-loop adjustment link, and carrying out signal power optimization detection according to the power detection special adjustable gain controllers after gain adjustment to obtain signal power optimization detection results;
under the operation drive of an intelligent full-link power linkage control algorithm module, based on the optimal input/output power matching of a tested system and the optimal output signal quality constraint of a channel simulator, carrying out integral linkage self-adaptive optimization operation on the full-link signal power of the channel simulator according to the power adaptation parameter, the signal power optimization detection result and the ADC sampling signal power acquired by a sampling preprocessing module to obtain an integral linkage self-adaptive optimization operation result; the integrated linkage self-adaptive optimization operation result comprises a receiving radio frequency channel, a sampling preprocessing module, a signal recovery processing module and signal power configuration parameters of a transmitting radio frequency channel;
and according to the integral linkage self-adaptive optimization operation result, in the closed-loop adjustment link of the power of the receiving channel, the closed-loop adjustment link of the power of the digital channel and the closed-loop adjustment link of the power of the transmitting channel, the signal power of the full link of the channel simulator is self-adaptively adjusted and optimized, and the automatic matching of the input signal power and the output signal power of the signal receiving and transmitting equipment of the tested system is realized.
In one embodiment, the power adapting parameters of the tested system acquired by the man-machine interface include the type of the tested system set in advance or manually, and the input signal optimal power parameters and the output signal optimal power parameters corresponding to the matching (here, the input and output radio frequency cable losses used for building the testing environment are needed to be counted).
In one embodiment, the signal power detection result includes a radio frequency input signal power and a radio frequency output signal power, and the signal power optimization detection result includes an optimized radio frequency input signal power and an optimized radio frequency output signal power;
according to the power adapting parameters of the tested system obtained by the man-machine interaction interface and the signal power detection results of the tested system obtained by the receiving radio frequency channel and the transmitting radio frequency channel, respectively adjusting the gains of the power detection special adjustable gain controllers in the receiving radio frequency channel and the transmitting radio frequency channel in the receiving channel power closed-loop adjustment link and the transmitting channel power closed-loop adjustment link, and carrying out signal power optimization detection according to the power detection special adjustable gain controllers after gain adjustment to obtain the signal power optimization detection results, the method comprises the following steps:
first, in a closed loop power adjustment link of a receiving channel, an optimal power parameter is determined according to an input signal
The power of the radio frequency input signal detected by the receiving radio frequency channel and the default gain of the receiving radio frequency channel are actively adjusted to the gain of the special adjustable gain controller for power detection in the receiving radio frequency channel>
And->
The following constraints are satisfied:
wherein,,
minimum detectable signal power of a dedicated adjustable gain controller for power detection in a receiving radio frequency channel,/->
Maximum detectable signal power for a power detection dedicated adjustable gain controller in a receive radio frequency channel; ideally, the optimal receiving RF channel detection gain +.>
The following constraints are set to be satisfied:
then, in the transmission channel power closed loop adjustment link, the optimal power parameter is adjusted according to the output signal
The power of the radio frequency output signal detected by the transmitting radio frequency channel and the default gain of the transmitting radio frequency channel are used for actively adjusting the gain of the special adjustable gain controller for power detection in the transmitting radio frequency channel>
And->
The following constraints are satisfied:
wherein,,
minimum detectable signal power of an adjustable gain controller dedicated for power detection in a transmit radio frequency channel,/->
Maximum detectable signal power for a dedicated adjustable gain controller for power detection in a transmit radio frequency channel; ideally, the optimal transmit RF channel detection gain +.>
Setting upThe following constraints are satisfied:
finally, will
And->
As an initial setting to match the type of system under test, according to +.>
And->
And controlling the radio frequency input signal power and the radio frequency output signal power in the optimal power detection range of the special power detection chip in the corresponding channel to perform signal power optimal detection to obtain the optimal radio frequency input signal power and the optimal radio frequency output signal power.
In one embodiment, the signal power configuration parameters of the receiving radio frequency channel, the sampling preprocessing module, the signal recovery processing module, and the transmitting radio frequency channel include: receiving radio frequency channel adjustment gain, ADC sampling signal secondary quantization setting, DAC output signal power setting and transmitting radio frequency channel adjustment gain;
under the operation drive of the intelligent full-link power linkage control algorithm module, based on the optimal input/output power matching of the tested system and the optimal output signal quality constraint of the channel simulator, the full-link signal power of the channel simulator is subjected to integral linkage self-adaptive optimization operation according to the power adaptation parameter, the signal power optimization detection result and the ADC sampling signal power acquired by the sampling preprocessing module, so as to obtain an integral linkage self-adaptive optimization operation result, which comprises the following steps:
firstly, under the operation drive of an intelligent full-link power linkage control algorithm module, based on the optimal input/output power matching of a tested system and the optimal output signal quality constraint of a channel simulator, the optimal output signal quality constraint is obtained according to a preset ADCOptimum sampling signal power
And optimized radio frequency input signal power +.>
Calculating to obtain the adjustment gain of the receiving radio frequency channel
And->
The following constraints are satisfied:
wherein,,
initial power gain for the receive radio frequency channel.
Then, according to the ADC sampling signal power obtained by the sampling preprocessing module
And inquiring and acquiring corresponding ADC sampling signal secondary quantization setting +.>
The relation mapping table is related to parameters such as data bit width and the like adopted in analog implementation of the digital channel.
According to
And digital channel analog data transmission bit mapping relation to obtain DAC input signal power
According to->
Adjusting the corresponding DAC output signal power setting +.>
So that the DAC output signal power is as close as possible to the optimum output power +.>
And the condition is improved, so that the quality of the radio frequency signal output by the channel simulator is improved.
Finally, according to the optimal power parameter of the output signal
And optimized RF output signal power +.>
Calculating to obtain the adjustment gain of the transmitting radio frequency channel>
And->
The following constraints are satisfied:
wherein,,
initial power gain for the transmit radio frequency channel.
In one embodiment, according to an integrally linked adaptive optimization operation result, in a closed loop adjustment link of power of a receiving channel, a closed loop adjustment link of power of a digital channel, and a closed loop adjustment link of power of a transmitting channel, the adaptive adjustment optimizes signal power of a full link of a channel simulator, so as to realize automatic matching of input signal power and output signal power of a signal transceiver of a tested system, including:
first, gain is adjusted according to a receiving radio frequency channel
In the closed loop adjusting link of the power of the receiving channel, the current dynamic gain of the receiving radio frequency channel is automatically controlled and adjusted, and the power of the sampling signal of the ADC is +.>
And a preset ADC optimal sampling signal power +.>
Detecting whether the adjustment gain error of the receiving radio frequency channel meets a first preset condition, wherein the first preset condition expression is that
Wherein,,
indicating the gain error of the receiving RF channel, the value is generally 5%, which can be properly adjusted according to the actual situation for better assurance, if +.>
Satisfying a first preset condition, consider +.>
Is reasonable; otherwise, according to->
Invoking intelligent full-link power linkage control algorithm module to recalculate +.>
。
Setting according to ADC sampling signal secondary quantization
Value and DAC output signal power setting
Value is taken, and the power is calculated in a digital channelIn the rate closed loop adjustment link, the ADC sampling signal secondary quantization setting of the current sampling preprocessing module and the DAC output signal power setting of the current signal recovery processing module are automatically controlled and optimized. It will be appreciated that the ADC sample signal secondary quantization setting is based on the current system type setting under test, based on the digital channel analog internal design, and the detected ADC sample signal power +.>
The calculation is carried out by the following +.>
The change is calculated and adjusted in real time. The DAC output signal power setting is based on the digital channel analog data transmission bit mapping relation, according to the digital channel analog internal design, and DAC input signal power +.>
The calculation is carried out by the following +.>
The change is calculated and adjusted in real time.
Finally, adjusting gain according to the transmitting radio frequency channel
In the closed loop adjusting link of the transmitting channel power, the current transmitting radio frequency channel dynamic gain is automatically controlled and adjusted, and the power of the optimized radio frequency output signal is +.>
And output signal optimum power parameter +.>
Detecting whether the adjustment gain error of the transmitting radio frequency channel meets a second preset condition, wherein the second preset condition expression is that
Wherein,,
indicating the gain error of the transmitting RF channel, the value is generally 5%, which can be properly adjusted according to the actual situation for better assurance, if + ->
Meeting a second preset condition, consider
Is reasonable; otherwise, according to->
Calling intelligent full-link power linkage control algorithm module to recalculate
。
Finally, the self-adaptive adjustment and optimization of the signal power of the full link of the channel simulator are completed by adjusting and optimizing the current receiving radio frequency channel dynamic gain, the transmitting radio frequency channel dynamic gain, the ADC sampling signal secondary quantization setting of the current sampling preprocessing module and the DAC output signal power setting of the current signal recovery processing module, and the automatic matching of the input signal power and the output signal power of the signal receiving and transmitting equipment of the tested system is realized.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application shall be subject to the appended claims.
Claims (9)
1. An intelligent channel simulator full-link signal power self-adaptive optimization method, which is characterized by comprising the following steps:
the method comprises the steps of constructing an intelligent channel simulator comprising a man-machine interaction interface, an intelligent full-link power linkage control algorithm module, a receiving radio frequency channel, a transmitting radio frequency channel, a sampling preprocessing module, a signal recovery processing module, a receiving channel power closed-loop adjustment link, a digital channel power closed-loop adjustment link and a transmitting channel power closed-loop adjustment link;
according to the power adaptation parameters of the tested system acquired by the man-machine interaction interface and according to the signal power detection results of the tested system acquired by the receiving radio frequency channel and the transmitting radio frequency channel, respectively adjusting the gains of the power detection special adjustable gain controllers in the receiving radio frequency channel and the transmitting radio frequency channel in the receiving channel power closed-loop adjustment link and the transmitting channel power closed-loop adjustment link, and carrying out signal power optimization detection according to the power detection special adjustable gain controllers after gain adjustment to obtain signal power optimization detection results;
under the operation drive of the intelligent full-link power linkage control algorithm module, based on the optimal input and output power matching of a tested system and the optimal output signal quality constraint of a channel simulator, carrying out integral linkage self-adaptive optimization operation on the full-link signal power of the channel simulator according to the power adaptation parameter, the signal power optimization detection result and the ADC sampling signal power acquired by the sampling preprocessing module to obtain an integral linkage self-adaptive optimization operation result; the integrated linkage self-adaptive optimization operation result comprises a receiving radio frequency channel, a sampling preprocessing module, a signal recovery processing module and signal power configuration parameters of a transmitting radio frequency channel;
and according to the integral linkage self-adaptive optimization operation result, in the closed-loop adjustment link of the power of the receiving channel, the closed-loop adjustment link of the power of the digital channel and the closed-loop adjustment link of the power of the transmitting channel, the signal power of the full link of the channel simulator is self-adaptively adjusted and optimized, and the automatic matching of the input signal power and the output signal power of the signal receiving and transmitting equipment of the tested system is realized.
2. The method of claim 1, wherein the power adaptation parameters of the tested system obtained by the human-computer interaction interface include a type of the tested system set in advance or manually, and an input signal optimal power parameter and an output signal optimal power parameter corresponding to the matching.
3. The method of claim 2, wherein the signal power detection results comprise a radio frequency input signal power and a radio frequency output signal power, and wherein the signal power optimization detection results comprise an optimized radio frequency input signal power and an optimized radio frequency output signal power;
according to the power adapting parameters of the tested system obtained by the man-machine interaction interface and the signal power detection results of the tested system obtained by the receiving radio frequency channel and the transmitting radio frequency channel, respectively in the receiving channel power closed loop adjusting link and the transmitting channel power closed loop adjusting link, adjusting the gains of the power detection special adjustable gain controllers in the receiving radio frequency channel and the transmitting radio frequency channel, and carrying out signal power optimization detection according to the power detection special adjustable gain controllers after gain adjustment, thereby obtaining signal power optimization detection results, comprising the following steps:
in the closed loop power adjustment link of the receiving channel, the optimal power parameter is adjusted according to the input signal
The power of the radio frequency input signal detected by the receiving radio frequency channel and the default gain of the receiving radio frequency channel actively adjust the gain of the special adjustable gain controller for power detection in the receiving radio frequency channel>
；
At the transmitting channelIn the power closed loop adjusting link, the optimal power parameter is adjusted according to the output signal
The power of the radio frequency output signal detected by the transmitting radio frequency channel and the default gain of the transmitting radio frequency channel actively adjust the gain of the special adjustable gain controller for power detection in the transmitting radio frequency channel>
；
The said
And->
As an initial setting to match the type of system under test, according to said +.>
And->
And controlling the radio frequency input signal power and the radio frequency output signal power in the optimal power detection range of the special power detection chip in the corresponding channel to perform signal power optimal detection to obtain the optimal radio frequency input signal power and the optimal radio frequency output signal power.
4. A method according to claim 3, wherein the
And->
The following constraints are satisfied:
wherein,,
minimum detectable signal power of a dedicated adjustable gain controller for power detection in a receiving radio frequency channel,/->
Maximum detectable signal power of an adjustable gain controller dedicated for power detection in a receiving radio frequency channel,/->
Minimum detectable signal power of an adjustable gain controller dedicated for power detection in a transmit radio frequency channel,/->
The maximum detectable signal power of the dedicated adjustable gain controller is detected for power in the transmit radio frequency channel.
5. The method of claim 4, wherein the signal power related configuration parameters of the receive radio frequency channel, the sample pre-processing module, the signal recovery processing module, and the transmit radio frequency channel comprise: receiving radio frequency channel adjustment gain, ADC sampling signal secondary quantization setting, DAC output signal power setting and transmitting radio frequency channel adjustment gain;
under the operation drive of the intelligent full-link power linkage control algorithm module, based on the optimal input and output power matching of a tested system and the optimal output signal quality constraint of a channel simulator, carrying out integral linkage self-adaptive optimization operation on the full-link signal power of the channel simulator according to the power adaptation parameter, the signal power optimization detection result and the ADC sampling signal power acquired by the sampling preprocessing module, so as to obtain an integral linkage self-adaptive optimization operation result, wherein the method comprises the following steps:
under the operation drive of the intelligent full-link power linkage control algorithm module, based on the optimal input/output power matching of the tested system and the optimal output signal quality constraint of the channel simulator, the optimal sampling signal power of the ADC is preset
And optimized radio frequency input signal power +.>
Calculating to obtain the adjustment gain of the receiving radio frequency channel
；
ADC sampling signal power obtained according to the sampling preprocessing module
And the type of the tested system, in the relation mapping table of the preset ADC input signal power and the secondary quantization setting of the sampling signal, inquiring and acquiring the corresponding secondary quantization setting of the ADC sampling signal +.>
；
According to the described
And digital channel analog data transmission bit mapping relation to obtain DAC input signal power
According to said->
Adjusting the corresponding DAC output signal power setting +.>
；
According toOptimum power parameter of output signal
And optimized RF output signal power +.>
Calculating to obtain the adjustment gain of the transmitting radio frequency channel>
。
6. The method of claim 5, wherein the
And->
The following constraints are satisfied:
wherein,,
for receiving the initial power gain of the radio frequency channel, +.>
Initial power gain for the transmit radio frequency channel.
7. The method of claim 6, wherein the step of adaptively adjusting the signal power of the full link of the channel simulator in the closed loop adjustment link of the power of the receiving channel, the closed loop adjustment link of the power of the digital channel, and the closed loop adjustment link of the power of the transmitting channel according to the result of the integral linkage adaptive optimization operation to automatically match the input signal power and the output signal power of the signal transceiver of the system under test comprises:
adjusting gain based on a receiving radio frequency channel
In the closed loop adjustment link of the power of the receiving channel, automatically controlling and adjusting the current dynamic gain of the receiving radio frequency channel, detecting whether the adjustment gain error of the receiving radio frequency channel meets a first preset condition, and if so, considering the error of the adjustment gain of the receiving radio frequency channel is +.>
Is reasonable; otherwise, according to the gain error of the receiving radio frequency channel adjustment, an intelligent full-link power linkage control algorithm module is called to recalculate +.>
；
Setting according to ADC sampling signal secondary quantization
Value and DAC output signal power setting +.>
In the digital channel power closed loop adjustment link, the secondary quantization setting of the ADC sampling signal of the current sampling preprocessing module and the DAC output signal power setting of the current signal recovery processing module are automatically controlled and optimized;
adjusting gain according to a transmit radio frequency channel
In the transmitting channel power closed-loop adjustment link, automatically controlling and adjusting the current transmitting radio frequency channel dynamic gain, detecting whether the transmitting radio frequency channel adjustment gain error meets a second preset condition, and if so, considering the ++>
Is reasonable; otherwise, according to the adjustment gain error of the transmitting radio frequency channel, an intelligent full-link power linkage control algorithm module is called to recalculate +.>
；
The self-adaptive adjustment and optimization of the signal power of the full link of the channel simulator are completed by adjusting and optimizing the current dynamic gain of the receiving radio frequency channel, the dynamic gain of the transmitting radio frequency channel, the secondary quantization setting of the ADC sampling signal of the current sampling preprocessing module and the DAC output signal power setting of the current signal recovery processing module, and the automatic matching of the input signal power and the output signal power of the signal receiving and transmitting equipment of the tested system is realized.
8. The method of claim 7, wherein the gain is adjusted based on a received radio frequency channel
In the closed loop adjustment link of the power of the receiving channel, automatically controlling and adjusting the current dynamic gain of the receiving radio frequency channel, detecting whether the adjustment gain error of the receiving radio frequency channel meets a first preset condition, and if so, considering the error of the adjustment gain of the receiving radio frequency channel is +.>
Is reasonable; otherwise, according to the received radio frequency channel adjustment gain error, invoking an intelligent full-link power linkage control algorithm module to recalculate
Comprising:
adjusting gain based on a receiving radio frequency channel
In the closed loop power adjustment link of the receiving channel, the current is automatically controlled and adjustedDynamic gain of the radio frequency channel and according to the ADC sampling signal power +.>
And a preset ADC optimal sampling signal power +.>
Detecting the gain error of the receiving RF channel>
Whether a first preset condition is met or not, wherein the first preset condition expression is as follows:
if it is
Satisfying a first preset condition, said ++>
Is reasonable; otherwise, according to said->
Invoking intelligent full-link power linkage control algorithm module to recalculate +.>
。
9. The method of claim 7, wherein the gain is adjusted based on a transmit radio frequency channel
In the transmitting channel power closed-loop adjustment link, automatically controlling and adjusting the current transmitting radio frequency channel dynamic gain, detecting whether the transmitting radio frequency channel adjustment gain error meets a second preset condition, and if so, considering thatSaid->
Is reasonable; otherwise, according to the adjustment gain error of the transmitting radio frequency channel, an intelligent full-link power linkage control algorithm module is called to recalculate
Comprising:
adjusting gain according to a transmit radio frequency channel
In the closed loop adjusting link of the transmitting channel power, the current transmitting radio frequency channel dynamic gain is automatically controlled and adjusted, and the current transmitting radio frequency channel dynamic gain is adjusted according to the optimized radio frequency output signal power +.>
And output signal optimum power parameter +.>
Detecting the gain error of the transmitting RF channel>
Whether the second preset condition is met, wherein the second preset condition expression is that
If it is
Satisfying a second preset condition, said ++>
Is reasonable; otherwise, according to the
Calling intelligent full-link power unitThe dynamic control algorithm module recalculates +.>
。
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6236363B1 (en) * | 1998-01-30 | 2001-05-22 | Micronetics Wireless | Smart antenna channel simulator and test system |
| EP1379019A1 (en) * | 2002-07-03 | 2004-01-07 | Mitsubishi Electric Information Technology Centre Europe B.V. | Method of simulating effects produced by operating conditions of a radiofrequency channel |
| CN1780184A (en) * | 2004-11-26 | 2006-05-31 | 华为技术有限公司 | A channel simulation instrument and channel simulation method |
| CN101577958A (en) * | 2009-06-02 | 2009-11-11 | 北京天碁科技有限公司 | System and method for testing performance of closed loop power control algorithm |
| CN106877946A (en) * | 2017-01-18 | 2017-06-20 | 上海创远仪器技术股份有限公司 | A kind of high-performance channel simulator automatically controls receiver and its checking device |
| CN108429594A (en) * | 2018-02-23 | 2018-08-21 | 东南大学 | A High Performance Channel Simulator RF Transceiver for 5G Communications |
| CN109951244A (en) * | 2017-12-21 | 2019-06-28 | 东南大学 | A power measurement and radio frequency receiving gain control method applied to a channel simulator |
| WO2022002001A1 (en) * | 2020-06-29 | 2022-01-06 | 北京邮电大学 | Channel simulator based on open source architecture, and channel simulation method, electronic device and non-transitory computer storage medium |
| CN114204949A (en) * | 2021-11-30 | 2022-03-18 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Large dynamic fast digital AGC control method |
| WO2022183834A1 (en) * | 2021-03-03 | 2022-09-09 | 展讯通信（上海）有限公司 | Radio frequency circuit and pre-distortion compensation method and apparatus therefor, and electronic device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080114580A1 (en) * | 2006-11-09 | 2008-05-15 | Agilent Technologies, Inc. | Mimo channel simulator |
| KR101606354B1 (en) * | 2015-05-27 | 2016-03-25 | 주식회사 이노와이어리스 | calibration method for channel simulator |
| KR101972863B1 (en) * | 2015-12-28 | 2019-04-26 | 주식회사 이노와이어리스 | channel simulator control method |
| CN113839688B (en) * | 2020-06-23 | 2022-11-04 | Oppo广东移动通信有限公司 | Radio frequency PA Mid device, radio frequency system and communication equipment |
-
2023
- 2023-05-04 CN CN202310490700.2A patent/CN116209049B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6236363B1 (en) * | 1998-01-30 | 2001-05-22 | Micronetics Wireless | Smart antenna channel simulator and test system |
| EP1379019A1 (en) * | 2002-07-03 | 2004-01-07 | Mitsubishi Electric Information Technology Centre Europe B.V. | Method of simulating effects produced by operating conditions of a radiofrequency channel |
| CN1780184A (en) * | 2004-11-26 | 2006-05-31 | 华为技术有限公司 | A channel simulation instrument and channel simulation method |
| CN101577958A (en) * | 2009-06-02 | 2009-11-11 | 北京天碁科技有限公司 | System and method for testing performance of closed loop power control algorithm |
| CN106877946A (en) * | 2017-01-18 | 2017-06-20 | 上海创远仪器技术股份有限公司 | A kind of high-performance channel simulator automatically controls receiver and its checking device |
| CN109951244A (en) * | 2017-12-21 | 2019-06-28 | 东南大学 | A power measurement and radio frequency receiving gain control method applied to a channel simulator |
| CN108429594A (en) * | 2018-02-23 | 2018-08-21 | 东南大学 | A High Performance Channel Simulator RF Transceiver for 5G Communications |
| WO2022002001A1 (en) * | 2020-06-29 | 2022-01-06 | 北京邮电大学 | Channel simulator based on open source architecture, and channel simulation method, electronic device and non-transitory computer storage medium |
| WO2022183834A1 (en) * | 2021-03-03 | 2022-09-09 | 展讯通信（上海）有限公司 | Radio frequency circuit and pre-distortion compensation method and apparatus therefor, and electronic device |
| CN114204949A (en) * | 2021-11-30 | 2022-03-18 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Large dynamic fast digital AGC control method |
Non-Patent Citations (2)
| Title |
|---|
| MIMO信道建模及硬件模拟器研制;叶佳;李浩;朱秋明;;国外电子测量技术(07);全文 * |
| 卫星导航抗干扰接收机AGC电路模型分析与优化设计方法;李柏渝;唐小妹;聂俊伟;刘哲;;国防科技大学学报(06);全文 * |
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