CN114707545A - Method and device for monitoring signal strength of wide frequency band - Google Patents
Method and device for monitoring signal strength of wide frequency band Download PDFInfo
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Abstract
The invention provides a method and a device for monitoring the signal intensity of a wide frequency band, wherein the method comprises the following steps: comparing the voltage amplitudes of the target signals through a plurality of comparison circuits of the multi-gear comparison circuit respectively to obtain a voltage comparison result corresponding to each comparison circuit; quantizing all the voltage comparison results to obtain a quantization result corresponding to each voltage comparison result; calculating the converted digital signal based on the determined digital signal power calculation model to obtain a target power corresponding to the target signal, wherein the converted digital signal is obtained by converting the target signal through an analog-digital converter; and calculating the strength of the target signal based on the determined joint judgment model according to all the quantization results and the target power to obtain the strength value of the target signal. Therefore, the invention can monitor the transmission signal strength by combining an analog mode and a digital mode, and can improve the monitoring precision of the signal strength while reducing the signal monitoring blind area.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for monitoring signal strength in a wide frequency band.
Background
With the development of science and technology, wireless communication technology is mature day by day, more and more radio receivers (such as wi-fi receivers and bluetooth receivers) can transmit signals through the wireless communication technology, in the process of transmitting wireless signals by the radio receivers, the gain control of the transmission signals is very important for the quality of wireless communication, and the high-quality gain control needs to be completed depending on the monitoring of the strength of the transmission signals at the front end of radio frequency, and when the monitoring of the strength of the transmission signals is more accurate, the high-quality gain control can be realized.
Currently, in monitoring the transmission signal strength of a radio receiver, the monitoring of the transmission signal strength can be achieved by using an analog manner or a digital manner alone. However, practice shows that in the monitoring of the transmission signal strength by an analog mode, the requirement on the chip integration level of the radio receiver is high, and the monitoring precision of the transmission signal strength is low; in the monitoring of the strength of the transmission signal in a digital manner, the problem that the bandwidth of the digital signal used for calculating the signal strength is smaller than the bandwidth of the signal passed by the radio frequency front end occurs, so that a large-area blind area is generated in the monitoring of the strength of the transmission signal. Therefore, it is very important how to accurately monitor the strength of the transmission signal at the front end of the radio frequency.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and an apparatus for monitoring signal strength in a wide frequency band, which can monitor the strength of a transmission signal by combining an analog mode and a digital mode, and can improve the monitoring accuracy of the signal strength while reducing a signal monitoring blind area.
In order to solve the above technical problem, a first aspect of the present invention discloses a method for monitoring a wide-band signal strength, where the method includes:
comparing voltage amplitudes of target signals by a plurality of comparison circuits of a multi-gear comparison circuit respectively to obtain a voltage comparison result corresponding to each comparison circuit, wherein the target signals are any transmission signals of wireless communication, and the voltage comparison results are analog signals;
quantizing all the voltage comparison results to obtain a quantization result corresponding to each voltage comparison result, wherein the quantization results are digital signals;
calculating a converted digital signal based on the determined digital signal power calculation model to obtain a target power corresponding to the target signal, wherein the converted digital signal is obtained after the target signal is converted by an analog-digital converter;
and calculating the strength of the target signal based on the determined joint judgment model according to all the quantization results and the target power to obtain a target signal strength value.
As an alternative implementation, in the first aspect of the present invention, different comparison circuits correspond to different threshold voltages;
the comparing of the voltage amplitudes of the target signals by the multiple comparison circuits of the multi-gear comparison circuit is respectively performed to obtain the voltage comparison result corresponding to each comparison circuit, and the comparing comprises:
comparing the voltage amplitude of a target signal with the threshold voltage corresponding to each comparison circuit, determining the voltage comparison result corresponding to the comparison circuit as a high-level signal when the voltage amplitude of the target signal is greater than or equal to the threshold voltage corresponding to a certain comparison circuit, and determining the voltage comparison result corresponding to the comparison circuit as a low-level signal when the voltage amplitude of the target signal is less than the threshold voltage corresponding to a certain comparison circuit;
wherein all the voltage comparison results are respectively: x1-XNAnd N is the number of comparison circuits used for comparing voltage amplitudes in the multi-gear comparison circuit.
As an optional implementation manner, in the first aspect of the present invention, the quantizing all the voltage comparison results to obtain a quantization result corresponding to each of the voltage comparison results includes:
detecting all of the voltage comparison results X1-XNTo obtain X1-XNRespectively corresponding level signal detection results;
for all the level informationAnd carrying out 1bit quantization on the signal detection result to obtain a quantization result corresponding to each level signal detection result one to one, wherein all the quantization results are respectively as follows: x is the number of1-xNWherein the quantization result is a time sequence signal.
As an alternative implementation manner, in the first aspect of the present invention, the converting the digital signal includes a plurality of discrete sampling signals obtained by sampling the target signal by the analog-to-digital converter based on the determined sampling frequency;
the calculating the converted digital signal based on the determined digital signal power calculation model to obtain the target power corresponding to the target signal includes:
calculating all the discrete sampling signals based on a first formula to obtain target power corresponding to the target signal;
wherein the first formula is:
Wherein p (n) is the target power corresponding to the target signal at the nth sampling time, m is the sequence length of the discrete sampling signal used for calculating the target power, and y (i) is the ith discrete sampling signal.
As an optional implementation manner, in the first aspect of the present invention, the calculating, according to all the quantization results and the target power, the strength of the target signal based on the determined joint decision model to obtain a target signal strength value includes:
determining a plurality of preset signal strength values based on the determined joint judgment model, wherein each preset signal strength value comprises at least one corresponding preset condition;
for each preset signal intensity value, judging whether all the quantization results and the target power meet a certain preset condition corresponding to the preset signal intensity value, and determining the preset signal intensity value as a candidate signal intensity value when the certain preset condition corresponding to the preset signal intensity value is judged to be met;
determining a target signal strength value corresponding to the target signal from a candidate signal strength value set, wherein the candidate signal strength value set comprises all the determined candidate signal strength values.
As an optional implementation manner, in the first aspect of the present invention, the determining, from the candidate signal strength value set, a target signal strength value corresponding to the target signal includes:
screening out a candidate signal strength value with the maximum value from the candidate signal strength value set;
and determining the candidate signal strength value with the maximum screened value as a target signal strength value corresponding to the target signal.
As an alternative implementation manner, in the first aspect of the present invention, the determining a plurality of preset signal strength values based on the determined joint decision model includes:
determining N preset signal intensity values which are respectively a preset signal intensity value 1-a preset signal intensity value N based on the determined joint judgment model, wherein the N preset signal intensity values correspond to N comparison circuits arranged in the multi-gear comparison circuit one by one;
alternatively, the first and second electrodes may be,
and determining M preset signal intensity values based on the determined joint judgment model, wherein the preset signal intensity values are respectively a preset signal intensity value 1-a preset signal intensity value M, M is larger than N, and at least one comparison circuit is arranged in N comparison circuits arranged in the multi-gear comparison circuit and corresponds to a plurality of preset signal intensity values.
The second aspect of the present invention discloses a device for monitoring signal strength in a wide frequency band, the device comprising:
the comparison module is used for respectively comparing voltage amplitudes of target signals through a plurality of comparison circuits of the multi-gear comparison circuit to obtain a voltage comparison result corresponding to each comparison circuit, wherein the target signals are any transmission signals of wireless communication, and the voltage comparison results are analog signals;
the quantization module is used for quantizing all the voltage comparison results to obtain a quantization result corresponding to each voltage comparison result, wherein the quantization results are digital signals;
the power calculation module is used for calculating a converted digital signal based on the determined digital signal power calculation model to obtain a target power corresponding to the target signal, wherein the converted digital signal is obtained after the target signal is converted through an analog-digital converter;
and the signal intensity calculation module is used for calculating the intensity of the target signal based on the determined joint judgment model according to all the quantization results and the target power to obtain a target signal intensity value.
As an alternative, in the second aspect of the present invention, different ones of the comparison circuits correspond to different threshold voltages;
the comparison module compares the voltage amplitudes of the target signals through a plurality of comparison circuits of the multi-gear comparison circuit respectively, and the specific mode of obtaining the voltage comparison result corresponding to each comparison circuit is as follows:
comparing the voltage amplitude of a target signal with the threshold voltage corresponding to each comparison circuit, determining the voltage comparison result corresponding to the comparison circuit as a high-level signal when the voltage amplitude of the target signal is greater than or equal to the threshold voltage corresponding to a certain comparison circuit, and determining the voltage comparison result corresponding to the comparison circuit as a low-level signal when the voltage amplitude of the target signal is less than the threshold voltage corresponding to a certain comparison circuit;
wherein all the voltage comparison results are respectively: x1-XNAnd N is the number of comparison circuits used for comparing voltage amplitudes in the multi-gear comparison circuit.
As an optional implementation manner, in the second aspect of the present invention, the quantization model quantizes all the voltage comparison results, and a specific manner of obtaining a quantization result corresponding to each voltage comparison result is as follows:
detecting all of the voltage comparison results X1-XNTo obtain X1-XNRespectively corresponding level signal detection results;
carrying out 1bit quantization on all the level signal detection results to obtain quantization results corresponding to each level signal detection result one to one, wherein all the quantization results are respectively as follows: x is a radical of a fluorine atom1-xNWherein the quantization result is a time sequence signal.
As an alternative implementation manner, in the second aspect of the present invention, the converting the digital signal includes a plurality of discrete sampling signals obtained by sampling the target signal by the analog-to-digital converter based on the determined sampling frequency;
the power calculation module calculates the converted digital signal based on the determined digital signal power calculation model, and the specific way of obtaining the target power corresponding to the target signal is as follows:
calculating all the discrete sampling signals based on a first formula to obtain target power corresponding to the target signal;
wherein the first formula is:
Wherein p (n) is the target power corresponding to the target signal at the nth sampling time, m is the sequence length of the discrete sampling signal used for calculating the target power, and y (i) is the ith discrete sampling signal.
As an optional implementation manner, in the second aspect of the present invention, the signal strength calculation module calculates the strength of the target signal based on the determined joint decision model according to all the quantization results and the target power, and a specific manner of obtaining the target signal strength value is as follows:
determining a plurality of preset signal strength values based on the determined joint judgment model, wherein each preset signal strength value comprises at least one corresponding preset condition;
for each preset signal intensity value, judging whether all the quantization results and the target power meet a certain preset condition corresponding to the preset signal intensity value, and determining the preset signal intensity value as a candidate signal intensity value when the certain preset condition corresponding to the preset signal intensity value is judged to be met;
determining a target signal strength value corresponding to the target signal from a candidate signal strength value set, wherein the candidate signal strength value set comprises all the determined candidate signal strength values.
As an optional implementation manner, in the second aspect of the present invention, the specific manner of determining, by the signal strength calculation model, the target signal strength value corresponding to the target signal from the candidate signal strength value set is as follows:
screening out a candidate signal strength value with the maximum value from the candidate signal strength value set;
and determining the candidate signal strength value with the maximum screened value as a target signal strength value corresponding to the target signal.
As an optional implementation manner, in the second aspect of the present invention, a specific manner of determining, by the signal strength calculation model, a plurality of preset signal strength values based on the determined joint decision model is as follows:
determining N preset signal intensity values which are respectively a preset signal intensity value 1-a preset signal intensity value N based on the determined joint judgment model, wherein the N preset signal intensity values correspond to N comparison circuits arranged in the multi-gear comparison circuit one by one;
alternatively, the first and second electrodes may be,
and determining M preset signal intensity values based on the determined joint judgment model, wherein the preset signal intensity values are respectively a preset signal intensity value 1-a preset signal intensity value M, M is larger than N, and at least one comparison circuit is arranged in N comparison circuits arranged in the multi-gear comparison circuit and corresponds to a plurality of preset signal intensity values.
The third aspect of the present invention discloses a device for monitoring signal strength in a wide frequency band, the device comprising:
a memory storing executable program code;
a processor coupled with the memory;
the processor calls the executable program code stored in the memory to execute part or all of the steps in the method for monitoring the signal strength of the wide frequency band disclosed by the first aspect of the invention.
In a fourth aspect, the present invention discloses a computer storage medium, which stores computer instructions for performing some or all of the steps of the monitoring method for wide-band signal strength disclosed in the first aspect of the present invention when the computer instructions are called.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, a plurality of comparison circuits of a multi-gear comparison circuit respectively compare voltage amplitudes of target signals to obtain a voltage comparison result corresponding to each comparison circuit, wherein the target signals are any transmission signals of wireless communication, and the voltage comparison result is an analog signal; quantizing all the voltage comparison results to obtain a quantization result corresponding to each voltage comparison result, wherein the quantization results are digital signals; calculating a converted digital signal based on the determined digital signal power calculation model to obtain a target power corresponding to the target signal, wherein the converted digital signal is obtained after the target signal is converted through an analog-digital converter; and calculating the strength of the target signal based on the determined joint judgment model according to all the quantization results and the target power to obtain a target signal strength value. Therefore, the invention can compare and quantize the target signal in the analog signal state through a plurality of comparison circuits of the multi-gear comparison circuit to obtain the quantized digital signal, and perform power calculation on the target signal after analog-to-digital conversion through the digital signal power calculation model, and finally calculate the target signal intensity value through the combined judgment model according to the quantization result and the target power corresponding to the target signal.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flowchart of a method for monitoring signal strength in a wide frequency band according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of another method for monitoring signal strength in a wide frequency band according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a device for monitoring signal strength in a wide frequency band according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another apparatus for monitoring signal strength in a wide frequency band according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, apparatus, product, or apparatus that comprises a list of steps or elements is not limited to those listed but may alternatively include other steps or elements not listed or inherent to such process, method, product, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
The embodiment of the invention discloses a method and a device for monitoring signal strength in a wide frequency band, which can compare and quantize a target signal in an analog signal state through a plurality of comparison circuits of a multi-gear comparison circuit to obtain a quantized digital signal, perform power calculation on the target signal after analog-to-digital conversion through a digital signal power calculation model, and finally calculate a target signal strength value through a combined judgment model according to a quantization result and a target power corresponding to the target signal. The following are detailed descriptions.
Example one
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a method for monitoring a wide-band signal strength according to an embodiment of the present invention. As shown in fig. 1, the method for monitoring the signal strength in the wide frequency band may include the following operations:
101. the voltage amplitude of a target signal is compared through a plurality of comparison circuits of the multi-gear comparison circuit respectively, and a voltage comparison result corresponding to each comparison circuit is obtained, wherein the target signal is any transmission signal of wireless communication, and the voltage comparison result is an analog signal.
In this embodiment of the present invention, the target signal may be any transmission signal of wireless communication, for example, the target signal is a wireless communication transmission signal of a wi-fi receiver in a 2.4HZ frequency band, further, the target signal is a wireless transmission signal in a radio frequency circuit, and further, the target signal is a wireless transmission signal output from a transimpedance amplifier.
In the embodiment of the invention, the multi-gear comparison circuit comprises a plurality of comparison circuits, a target signal input into the multi-gear comparison circuit is an analog signal, the target signal is respectively transmitted into each comparison circuit of the multi-gear comparison circuit, and the target signal is compared according to each comparison circuit to obtain a voltage comparison result corresponding to each comparison circuit.
102. And quantizing all the voltage comparison results to obtain a quantization result corresponding to each voltage comparison result, wherein the quantization result is a digital signal.
103. And calculating the converted digital signal based on the determined digital signal power calculation model to obtain the target power corresponding to the target signal, wherein the converted digital signal is obtained after the target signal is converted by the analog-digital converter.
In the embodiment of the invention, a target signal is input into an analog-digital converter, wherein the target signal is the same as the wireless transmission signal input into the multi-gear comparison circuit in step 101, the target signal is converted from the analog signal into a digital signal through the analog-digital converter to obtain a converted digital signal, and then the converted digital signal is calculated through a digital signal power calculation model to automatically obtain the target power corresponding to the target signal.
In an alternative embodiment, the converting the digital signal includes sampling the target signal by the analog-to-digital converter based on the determined sampling frequency to obtain a plurality of discrete sampling signals;
the calculating the converted digital signal based on the determined digital signal power calculation model to obtain the target power corresponding to the target signal may include:
calculating all the discrete sampling signals based on a first formula to obtain target power corresponding to the target signal;
wherein the first formula is:
Wherein p (n) is the target power corresponding to the target signal at the nth sampling time, m is the sequence length of the discrete sampling signal used for calculating the target power, and y (i) is the ith discrete sampling signal.
In this optional embodiment, the sampling frequency may be flexibly adjusted according to actual requirements, and the embodiment of the present invention is not limited thereto, and the sampling time may be determined by the determined sampling frequency, and the corresponding discrete sampling signals may be acquired at different sampling times.
In this alternative embodiment, for example, when the sequence length m of the discrete sampling signal used for calculating the target power is 10 and the sampling time n is 100, when all the discrete sampling signals are calculated by the first formula, the obtained discrete sampling signals are: y (90), y (91), y (92), y (93), y (94), y (95), y (96), y (97), y (98), y (99), y (100), and finally the target power corresponding to the target signal can be calculated by the following equation, where P (100) ═ y (90) · y2+|y(91)|2…+|y(99)|2+|y(100)|2。
Therefore, in the optional embodiment, the discrete sampling signal can be obtained by sampling the target signal with the preset sampling frequency, and the final target power calculation can be automatically performed according to the selected discrete sampling signal with the specific sequence length by the digital signal power calculation model, so that the power calculation accuracy of the signal can be improved.
104. And calculating the strength of the target signal based on the determined joint judgment model according to all the quantization results and the target power to obtain the strength value of the target signal.
In another optional embodiment, the calculating the strength of the target signal based on the determined joint decision model according to all the quantization results and the target power to obtain a target signal strength value includes:
determining a plurality of preset signal strength values based on the determined joint judgment model, wherein each preset signal strength value comprises at least one corresponding preset condition;
for each preset signal intensity value, judging whether all the quantization results and the target power meet a certain preset condition corresponding to the preset signal intensity value, and determining the preset signal intensity value as a candidate signal intensity value when the target power meets the certain preset condition corresponding to the preset signal intensity value;
and determining a target signal strength value corresponding to the target signal from a candidate signal strength value set, wherein the candidate signal strength value set comprises all the determined candidate signal strength values.
In this optional embodiment, a plurality of preset signal strength values determined by the joint determination model, where each preset signal strength value corresponds to one or more preset conditions, and when any preset condition corresponding to a certain preset signal strength value is satisfied, the preset signal strength value is determined as a candidate signal strength value of the target signal.
Therefore, the alternative embodiment can determine the candidate intensity value of the target signal by judging whether the preset condition of the preset signal intensity value determined by the joint determination model is satisfied, and the calculation accuracy of the signal intensity can be improved through the above operation.
In yet another alternative embodiment, the determining the target signal strength value corresponding to the target signal from the candidate signal strength value set may include:
screening out the candidate signal strength value with the maximum value from the candidate signal strength value set;
and determining the candidate signal strength value with the maximum screened value as a target signal strength value corresponding to the target signal.
Therefore, the alternative embodiment can further improve the monitoring accuracy of the signal strength by screening the candidate signal strength value with the largest value from the candidate signal strength value set as the target signal strength value of the target signal.
Therefore, the method for monitoring the signal intensity in the wide frequency band described in the embodiment of the present invention can compare and quantize the target signal in the analog signal state through the multiple comparison circuits of the multi-stage comparison circuit to obtain a quantized digital signal, perform power calculation on the target signal after analog-to-digital conversion through the digital signal power calculation model, and finally calculate a target signal intensity value through the joint determination model according to the quantization result and the target power corresponding to the target signal.
Example two
Referring to fig. 2, fig. 2 is a schematic flow chart illustrating another method for monitoring signal strength in a wide frequency band according to an embodiment of the present invention. As shown in fig. 2, the method for monitoring the signal strength in the wide frequency band may include the following operations:
201. comparing the voltage amplitude of the target signal with the threshold voltage corresponding to each comparison circuit, determining the voltage comparison result corresponding to the comparison circuit as a high-level signal when the voltage amplitude of the target signal is greater than or equal to the threshold voltage corresponding to a certain comparison circuit, and determining the voltage comparison result corresponding to the comparison circuit as a low-level signal when the voltage amplitude of the target signal is less than the threshold voltage corresponding to a certain comparison circuit; wherein all voltages compare the resultsRespectively as follows: x1-XNAnd N is the number of comparison circuits used for comparing voltage amplitudes in the multi-gear comparison circuit.
In the embodiment of the invention, each comparison circuit in the multi-gear comparison circuit corresponds to a different threshold voltage, and the threshold voltage is used for comparing with a target signal.
202. Detecting all voltage comparison results X1-XNTo obtain X1-XNRespectively corresponding to the level signal detection results.
203. Performing 1-bit quantization on all level signal detection results to obtain quantization results corresponding to each level signal detection result one to one, wherein all quantization results are respectively as follows: x is the number of1-xNWherein the quantization result is a timing signal.
In the embodiment of the present invention, after 1-bit quantization is performed on all level signal detection results, a time sequence signal can be obtained, for example, all high level signals are represented by quantization of 0, and all low level signals are represented by quantization of 1.
For example, when comparing the voltage obtained in step 201 with the voltage X1-X6A high level signal, a low level signal, and a low level signal, respectively, and a quantization result x obtained by quantizing the detection result of these level signals by 1bit1-xNRespectively as follows: 0,0,0,1,1,1.
204. And calculating the converted digital signal based on the determined digital signal power calculation model to obtain the target power corresponding to the target signal, wherein the converted digital signal is obtained after the target signal is converted by the analog-digital converter.
205. And calculating the strength of the target signal based on the determined joint judgment model according to all the quantization results and the target power to obtain a target signal strength value.
In the embodiment of the present invention, for other descriptions of step 201 to step 205, please refer to the detailed description of step 101 to step 104 in the first embodiment, and the embodiment of the present invention is not described again.
In the embodiment of the present invention, a plurality of preset signal strength values are determined based on the determined joint determination model, where each preset signal strength value includes at least one corresponding preset condition, and for each preset signal strength value, it is determined whether all quantization results and target powers satisfy a certain preset condition corresponding to the preset signal strength value, for the above process, for example, the joint determination model determines N preset signal strength values corresponding to the comparison circuit one to one, and the N preset signal strength values are preset signal strength values 1-preset signal strength value N, respectively, where the preset condition corresponding to the preset signal strength value 1 may include condition 1: (x)1(n) > 0 and! ShiftEn), condition 2: [ P (n) ≧ TH1And (DTHEn)1Or shiftEn)](ii) a The preset condition corresponding to the preset signal strength value 2 may include condition 1: (x)2(n) > 0 and! ShiftEn), condition 2: (x)1(n) > 0 and ShiftEn), condition 3: [ P (n) ≧ TH2And DTHEn2](ii) a The preset condition corresponding to the preset signal strength value N may include condition 1: (x)N(n) > 0 and! ShiftEn), condition 2: (x)N-1(n) > 0 and ShiftEn), condition 3: [ P (n) ≧ THNAnd DTHEnN]Wherein x is1(n)，x2(n)……xN(n) represents the quantization result x corresponding to the nth sampling instant in the process of acquiring the discrete sampling signal by the sampling frequency1-xNValue of (d), ShiftEn and DTHEn1-NIs a 1bit signal, the value can be 1 or 0, and is given by an external control signal.
In an alternative embodiment, the determining a plurality of preset signal strength values based on the determined joint decision model may include:
determining N preset signal strength values which are respectively a preset signal strength value 1-a preset signal strength value N based on the determined joint judgment model, wherein the N preset signal strength values correspond to N comparison circuits arranged in the multi-gear comparison circuit one by one;
alternatively, the first and second electrodes may be,
and determining M preset signal intensity values which are respectively a preset signal intensity value 1-a preset signal intensity value M based on the determined joint judgment model, wherein M is larger than N, and at least one comparison circuit exists in N comparison circuits arranged in the multi-gear comparison circuit and corresponds to a plurality of preset signal intensity values.
Therefore, the alternative embodiment can obtain the gear information of the corresponding signal strength by determining the preset signal strength values corresponding to the comparison circuits one by one, and can improve the monitoring convenience of the signal strength; or the preset signal intensity values which are more than the number of the comparison circuits are determined, and one comparison circuit corresponds to a plurality of preset signal intensity values, so that the requirements on the precision and the complexity of the comparison circuits arranged in the multi-gear comparison circuit can be further reduced, and the arrangement cost of the circuit is reduced.
Therefore, the method for monitoring the signal intensity in the wide frequency band described in the embodiment of the present invention can compare the target signal in the analog signal state by using N comparison circuits of the multi-stage comparison circuit to obtain N corresponding voltage comparison results, quantize the N voltage comparison results to obtain one-to-one corresponding quantization results, perform power calculation on the target signal subjected to analog-to-digital conversion by using the digital signal power calculation model, and finally automatically calculate the target signal intensity value by using the joint determination model according to the quantization result and the target power corresponding to the target signal.
EXAMPLE III
Referring to fig. 3, fig. 3 is a schematic structural diagram of a device for monitoring a wide-band signal strength according to an embodiment of the present invention. As shown in fig. 3, the apparatus may include:
the comparison module 301 is configured to compare voltage amplitudes of target signals respectively by using multiple comparison circuits of the multi-stage comparison circuit to obtain a voltage comparison result corresponding to each comparison circuit, where the target signals are any transmission signals of wireless communication, and the voltage comparison result is an analog signal;
a quantization module 302, configured to quantize all the voltage comparison results to obtain a quantization result corresponding to each voltage comparison result, where the quantization result is a digital signal;
a power calculation module 303, configured to calculate a converted digital signal based on the determined digital signal power calculation model to obtain a target power corresponding to the target signal, where the converted digital signal is obtained by converting the target signal through an analog-to-digital converter;
and a signal strength calculation module 304, configured to calculate, according to all the quantization results and the target power, the strength of the target signal based on the determined joint determination model, so as to obtain a target signal strength value.
Therefore, the monitoring device for the signal intensity in the wide frequency band described in the embodiment of the present invention can compare and quantize the target signal in the analog signal state through the multiple comparison circuits of the multiple-stage comparison circuit to obtain the quantized digital signal, perform power calculation on the target signal after analog-to-digital conversion through the digital signal power calculation model, and finally calculate the target signal intensity value through the joint determination model according to the quantization result and the target power corresponding to the target signal.
In an alternative embodiment, different ones of the comparison circuits correspond to different threshold voltages;
the specific way for the comparing module 301 to compare the voltage amplitudes of the target signals by using the multiple comparing circuits of the multi-stage comparing circuit to obtain the voltage comparison result corresponding to each comparing circuit is as follows:
comparing the voltage amplitude of a target signal with the threshold voltage corresponding to each comparison circuit, determining the voltage comparison result corresponding to the comparison circuit as a high-level signal when the voltage amplitude of the target signal is greater than or equal to the threshold voltage corresponding to a certain comparison circuit, and determining the voltage comparison result corresponding to the comparison circuit as a low-level signal when the voltage amplitude of the target signal is less than the threshold voltage corresponding to a certain comparison circuit;
wherein, all the voltage comparison results are respectively: x1-XNAnd N is the number of comparison circuits used for comparing voltage amplitudes in the multi-gear comparison circuit.
It can be seen that, the monitoring device for wide-band signal strength described in the embodiment of the present invention can compare the target signal in the analog signal state by using N comparison circuits of the multi-stage comparison circuit to obtain N corresponding voltage comparison results, quantize the N voltage comparison results to obtain one-to-one corresponding quantization results, perform power calculation on the target signal subjected to analog-to-digital conversion by using the digital signal power calculation model, and finally obtain a target signal strength value by automatically calculating through the joint determination model according to the quantization result and the target power corresponding to the target signal.
In another optional embodiment, the quantization model quantizes all the voltage comparison results, and a specific way of obtaining the quantization result corresponding to each voltage comparison result is as follows:
detecting all the voltage comparison results X1-XNTo obtain X1-XNRespectively detecting corresponding level signals;
carrying out 1bit quantization on all the level signal detection results to obtain a quantization result corresponding to each level signal detection result one by one, wherein all the quantization results are respectively as follows: x is a radical of a fluorine atom1-xNWherein the quantization result is a timing signal.
Therefore, in the optional embodiment, 1bit quantization can be performed on the N voltage comparison results to obtain a one-to-one quantized timing signal result, so that the signal quantization effect can be improved.
In yet another optional embodiment, the power calculating module 303 calculates the converted digital signal based on the determined digital signal power calculating model, and a specific manner of obtaining the target power corresponding to the target signal is as follows:
sampling the converted digital signal based on the determined sampling frequency to obtain a plurality of discrete sampling signals corresponding to the converted digital signal;
calculating the converted digital signal based on a first formula according to a plurality of discrete sampling signals to obtain target power corresponding to the target signal;
wherein the first formula is:
Wherein p (n) is the target power corresponding to the target signal at the nth sampling time, m is the sequence length of the discrete sampling signal used for calculating the target power, and y (i) is the discrete sampling signal corresponding to the converted digital signal.
Therefore, in the optional embodiment, the discrete sampling signal can be obtained by sampling the target signal with the preset sampling frequency, and the final target power calculation can be automatically performed according to the selected discrete sampling signal with the specific sequence length by the digital signal power calculation model, so that the power calculation accuracy of the signal can be improved.
In yet another alternative embodiment, the signal strength calculation module 304 calculates the strength of the target signal based on the determined joint decision model according to all the quantization results and the target power, and the specific manner of obtaining the target signal strength value is as follows:
determining a plurality of preset signal strength values based on the determined joint judgment model, wherein each preset signal strength value comprises at least one corresponding preset condition;
judging whether a certain preset condition corresponding to a target preset signal intensity value is met or not according to all the quantization results and the target power, wherein the target preset signal intensity value is any preset signal intensity value;
when a certain preset condition corresponding to the target preset signal intensity value is judged to be met, determining the target preset signal intensity value as a candidate signal intensity value, and forming a candidate signal intensity value set by all the candidate signal intensity values;
and determining a target signal strength value corresponding to the target signal from the candidate signal strength value set.
Therefore, the alternative embodiment can determine the candidate intensity value of the target signal by judging whether the preset condition of the preset signal intensity value determined by the joint determination model is satisfied, and the calculation accuracy of the signal intensity can be improved through the above operation.
In yet another optional embodiment, the specific way for the signal strength calculation model to determine the target signal strength value corresponding to the target signal from the candidate signal strength value set is as follows:
screening out the candidate signal strength value with the maximum value from the candidate signal strength value set;
and determining the candidate signal strength value with the maximum screened value as a target signal strength value corresponding to the target signal.
Therefore, the alternative embodiment can further improve the monitoring accuracy of the signal strength by screening the candidate signal strength value with the largest value from the candidate signal strength value set as the target signal strength value of the target signal.
In yet another alternative embodiment, the specific manner of determining the plurality of preset signal strength values by the signal strength calculation model based on the determined joint determination model is as follows:
determining N preset signal intensity values which are respectively a preset signal intensity value 1-a preset signal intensity value N based on the determined joint judgment model, wherein the N preset signal intensity values correspond to N comparison circuits arranged in the multi-gear comparison circuit one by one;
alternatively, the first and second electrodes may be,
and determining M preset signal intensity values which are respectively a preset signal intensity value 1-a preset signal intensity value M based on the determined joint judgment model, wherein M is larger than N, and at least one comparison circuit exists in N comparison circuits arranged in the multi-gear comparison circuit and corresponds to a plurality of preset signal intensity values.
Therefore, the alternative embodiment can obtain the gear information of the corresponding signal strength by determining the preset signal strength values corresponding to the comparison circuits one by one, and can improve the monitoring convenience of the signal strength; or the preset signal intensity values which are more than the number of the comparison circuits are determined, and one comparison circuit corresponds to a plurality of preset signal intensity values, so that the requirements on the precision and the complexity of the comparison circuits arranged in the multi-gear comparison circuit can be further reduced, and the arrangement cost of the circuit is reduced.
Example four
Referring to fig. 4, fig. 4 is a schematic structural diagram of another monitoring device for monitoring signal strength in a wide frequency band according to an embodiment of the present invention. As shown in fig. 4, the apparatus may include:
a memory 401 storing executable program code;
a processor 402 coupled with the memory 401;
the processor 402 calls the executable program code stored in the memory 401 for executing the steps of the method for monitoring the signal strength of the wide frequency band described in the first embodiment or the second embodiment.
EXAMPLE five
The embodiment of the invention discloses a computer-readable storage medium which stores a computer program for electronic data exchange, wherein the computer program enables a computer to execute the steps of the method for monitoring the signal intensity of the wide frequency band described in the first embodiment or the second embodiment.
EXAMPLE six
The embodiment of the invention discloses a computer program product, which comprises a non-transitory computer readable storage medium storing a computer program, and the computer program is operable to make a computer execute the steps in the monitoring method for the signal intensity in the wide frequency band described in the first embodiment or the second embodiment.
The above-described embodiments of the apparatus are merely illustrative, and the modules described as separate parts may or may not be physically separate, and the parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above detailed description of the embodiments, those skilled in the art will clearly understand that the embodiments may be implemented by software plus a necessary general hardware platform, and may also be implemented by hardware. Based on such understanding, the above technical solutions essentially or contributing to the prior art may be embodied in the form of software products, which may be stored in a computer-readable storage medium, the storage medium including a Read-Only Memory (ROM), a Random Access Memory (RAM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), a One-time Programmable Read-Only Memory (OTPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), an optical Disc (CD-ROM), or other disk memories, CD-ROMs, magnetic disks, or other magnetic memories, A tape memory, or any other medium readable by a computer that can be used to carry or store data.
Finally, it should be noted that: the method and apparatus for monitoring signal strength in a wide frequency band disclosed in the embodiments of the present invention are only preferred embodiments of the present invention, and are only used for illustrating the technical solutions of the present invention, not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for monitoring signal strength over a wide frequency band, the method comprising:
comparing voltage amplitudes of target signals by a plurality of comparison circuits of a multi-gear comparison circuit respectively to obtain a voltage comparison result corresponding to each comparison circuit, wherein the target signals are any transmission signals of wireless communication, and the voltage comparison results are analog signals;
quantizing all the voltage comparison results to obtain a quantization result corresponding to each voltage comparison result, wherein the quantization results are digital signals;
calculating a converted digital signal based on the determined digital signal power calculation model to obtain a target power corresponding to the target signal, wherein the converted digital signal is obtained after the target signal is converted through an analog-digital converter;
and calculating the strength of the target signal based on the determined joint judgment model according to all the quantization results and the target power to obtain a target signal strength value.
2. The method according to claim 1, wherein different comparison circuits correspond to different threshold voltages;
the comparing of the voltage amplitudes of the target signals by the multiple comparison circuits of the multi-gear comparison circuit is respectively performed to obtain the voltage comparison result corresponding to each comparison circuit, and the comparing comprises:
comparing the voltage amplitude of a target signal with the threshold voltage corresponding to each comparison circuit, determining the voltage comparison result corresponding to the comparison circuit as a high-level signal when the voltage amplitude of the target signal is greater than or equal to the threshold voltage corresponding to a certain comparison circuit, and determining the voltage comparison result corresponding to the comparison circuit as a low-level signal when the voltage amplitude of the target signal is less than the threshold voltage corresponding to a certain comparison circuit;
wherein all the voltage comparison results are respectively: x1-XNAnd N is the number of comparison circuits used for comparing voltage amplitudes in the multi-gear comparison circuit.
3. The method according to claim 2, wherein the quantizing all the voltage comparison results to obtain a quantization result corresponding to each of the voltage comparison results comprises:
detecting all of the voltage comparison results X1-XNTo obtain X1-XNRespectively detecting corresponding level signals;
carrying out 1bit quantization on all the level signal detection results to obtain quantization results corresponding to each level signal detection result one to one, wherein all the quantization results are respectively as follows: x is the number of1-xNWherein the quantization result is a time sequence signal.
4. The method according to any one of claims 1 to 3, wherein the converted digital signal comprises a plurality of discrete sampled signals obtained by sampling the target signal through the analog-to-digital converter based on the determined sampling frequency;
the calculating the converted digital signal based on the determined digital signal power calculation model to obtain the target power corresponding to the target signal includes:
calculating all the discrete sampling signals based on a first formula to obtain target power corresponding to the target signal;
wherein the first formula is:
Wherein p (n) is the target power corresponding to the target signal at the nth sampling time, m is the sequence length of the discrete sampling signal used for calculating the target power, and y (i) is the ith discrete sampling signal.
5. The method according to claim 4, wherein the calculating the strength of the target signal based on the determined joint decision model according to all the quantization results and the target power to obtain a target signal strength value comprises:
determining a plurality of preset signal strength values based on the determined joint judgment model, wherein each preset signal strength value comprises at least one corresponding preset condition;
for each preset signal intensity value, judging whether all the quantization results and the target power meet a certain preset condition corresponding to the preset signal intensity value, and determining the preset signal intensity value as a candidate signal intensity value when the certain preset condition corresponding to the preset signal intensity value is judged to be met;
determining a target signal strength value corresponding to the target signal from a candidate signal strength value set, wherein the candidate signal strength value set comprises all the determined candidate signal strength values.
6. The method according to claim 5, wherein the determining a target signal strength value corresponding to the target signal from the candidate signal strength value set comprises:
screening out a candidate signal strength value with the maximum value from the candidate signal strength value set;
and determining the candidate signal strength value with the maximum screened value as a target signal strength value corresponding to the target signal.
7. The method according to claim 5 or 6, wherein the determining a plurality of predetermined signal strength values based on the determined joint decision model comprises:
determining N preset signal intensity values which are respectively a preset signal intensity value 1-a preset signal intensity value N based on the determined joint judgment model, wherein the N preset signal intensity values correspond to N comparison circuits arranged in the multi-gear comparison circuit one by one;
alternatively, the first and second electrodes may be,
and determining M preset signal intensity values based on the determined joint judgment model, wherein the preset signal intensity values are respectively a preset signal intensity value 1-a preset signal intensity value M, M is larger than N, and at least one comparison circuit is arranged in N comparison circuits arranged in the multi-gear comparison circuit and corresponds to a plurality of preset signal intensity values.
8. A device for monitoring signal strength over a wide frequency band, the device comprising:
the comparison module is used for respectively comparing voltage amplitudes of target signals through a plurality of comparison circuits of the multi-gear comparison circuit to obtain a voltage comparison result corresponding to each comparison circuit, wherein the target signals are any transmission signals of wireless communication, and the voltage comparison results are analog signals;
the quantization module is used for quantizing all the voltage comparison results to obtain a quantization result corresponding to each voltage comparison result, wherein the quantization results are digital signals;
the power calculation module is used for calculating a converted digital signal based on the determined digital signal power calculation model to obtain a target power corresponding to the target signal, wherein the converted digital signal is obtained after the target signal is converted through an analog-digital converter;
and the signal intensity calculation module is used for calculating the intensity of the target signal based on the determined joint judgment model according to all the quantization results and the target power to obtain a target signal intensity value.
9. A device for monitoring signal strength over a wide frequency band, the device comprising:
a memory storing executable program code;
a processor coupled with the memory;
the processor calls the executable program code stored in the memory to execute part or all of the steps in the method for monitoring the signal strength in the wide frequency band according to any one of claims 1 to 7.
10. A computer storage medium storing computer instructions which, when invoked, perform some or all of the steps of the method for monitoring wide band signal strength according to any one of claims 1 to 7.
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