WO2024001789A1 - 信号检测方法及其设备、存储介质 - Google Patents
信号检测方法及其设备、存储介质 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03331—Arrangements for the joint estimation of multiple sequences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H04L1/201—Frame classification, e.g. bad, good or erased
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H04L1/208—Arrangements for detecting or preventing errors in the information received using signal quality detector involving signal re-encoding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present application relates to the field of communication technology, in particular to a signal detection method, signal detection equipment, and computer-readable storage medium.
- the seventh-generation WIFI protocol can support up to 16 spatial streams, which brings great convenience to communication.
- access points AP, Access Point
- MMSE Minimum Mean Squared Error
- ZF Zero Forcing
- Embodiments of the present application provide a signal detection method, signal detection equipment, and computer-readable storage media.
- inventions of the present application provide a signal detection device.
- the signal detection device includes: a signal processing component configured to receive an initial signal including multiple data streams, and preprocess the initial signal to obtain A plurality of data signals and the channel parameters corresponding to each of the data signals; a signal grouping component, connected to the output end of the signal processing component, configured to receive the multiple data signals and the corresponding channel parameters of each of the data signals. channel parameters, and group the plurality of data signals according to the channel parameters of the plurality of data signals; the signal detection component is connected to the output end of the signal grouping component and is configured to receive the grouped plurality of data signals. data signals, and perform grouping detection on the grouped plurality of data signals to obtain grouping detection results for all the data signals.
- inventions of the present application also provide a signal detection method, which should be configured as a signal detection device.
- the signal detection device includes a signal processing component, a signal grouping component and a signal detection component.
- the signal detection component is respectively connected with The signal grouping component is connected to the signal merging detection component;
- the signal detection method includes: controlling the signal processing component to receive an initial signal including multiple data streams, and preprocessing the initial signal to obtain multiple data signals and channel parameters corresponding to each of the data signals; controlling the signal grouping component to receive the multiple data signals and the channel parameters corresponding to each of the data signals, and according to the channel parameters of the multiple data signals Group the multiple data signals; control the signal detection component to receive the multiple data signals after grouping, and perform group detection on the multiple data signals after grouping to obtain the results for all the data signals. Group test results.
- embodiments of the present application also provide a signal detection device, including: at least one processor; at least one A memory configured to store at least one program; when at least one of the programs is executed by at least one of the processors, the signal detection method as described above is implemented.
- embodiments of the present application further provide a computer-readable storage medium in which a processor-executable program is stored, and when the processor-executable program is executed by the processor, it is configured to implement the aforementioned signal detection method.
- Figure 1 is a schematic diagram of a signal detection device provided by an embodiment of the present application.
- Figure 2 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- Figure 3 is a schematic diagram of an application scenario of a signal detection device provided by an embodiment of the present application.
- Figure 4 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- Figure 5 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- Figure 6 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- Figure 7 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- Figure 8 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- Figure 9 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- Figure 10 is a flow chart of a signal detection method provided by an embodiment of the present application.
- Figure 11 is a flow chart after the control signal detection component performs group detection on multiple grouped data signals in the signal detection method provided by an embodiment of the present application;
- Figure 12 is a flow chart of the control signal grouping component grouping multiple data signals in the signal detection method provided by an embodiment of the present application;
- Figure 13 is a flow chart of controlling the signal detection component to perform group detection on multiple grouped data signals in the signal detection method provided by an embodiment of the present application;
- Figure 14 is a flow chart in which, in the signal detection method provided by one embodiment of the present application, the control signal processing component pre-processes the initial signal to obtain multiple data signals and the channel parameters corresponding to each data signal;
- Figure 15 is a schematic diagram of a signal detection device provided by an embodiment of the present application.
- the signal detection device of the example includes: a signal processing component configured to receive an initial signal including multiple data streams, and preprocess the initial signal to obtain multiple data signals and channel parameters corresponding to each data signal; a signal grouping component , connected to the output end of the signal processing component, configured to receive multiple data signals and channel parameters corresponding to each data signal, and to group the multiple data signals according to the channel parameters of the multiple data signals; the signal detection component, and The output end of the signal grouping component is connected and is configured to receive multiple grouped data signals, perform group detection on the multiple grouped data signals, and obtain group detection results for all data signals.
- the signal processing component preprocesses the initial signal to obtain multiple data signals and the channel parameters corresponding to each data signal, so that the signal grouping component groups the multiple data signals to be detected according to the channel parameters, and based on
- the signal detection component performs group detection on each data signal after grouping. Since only a relatively small number of data signals in each group need to be detected separately after grouping, the complex signal detection process can be split into relatively simple ones in each group. The signal detection process reduces the complexity of signal detection, thereby filling the technical gaps in related methods.
- Figure 1 is a schematic diagram of a signal detection device 100 provided by an embodiment of the present application.
- the signal detection device 100 includes but is not limited to a signal grouping component 110, a signal detection component 120 and a signal processing component 130.
- the signal grouping component 110 is connected to the signal detection component 120 and the signal processing component 130 respectively;
- the signal processing component 130 is configured to receive an initial signal including multiple data streams, and preprocess the initial signal to obtain multiple data signals and channel parameters corresponding to each data signal;
- the signal grouping component 110 is configured to receive multiple data signals and channel parameters corresponding to each data signal, and to group the multiple data signals according to the channel parameters of the multiple data signals;
- the signal detection component 120 is configured to receive multiple grouped data signals and perform group detection on the multiple grouped data signals to obtain group detection results for all data signals.
- the signal processing component 130 preprocesses the initial signal to obtain multiple data signals and the channel parameters corresponding to each data signal, so that the signal grouping component 110 groups the multiple data signals to be detected according to the channel parameters, and based on the signal detection component 120 performs group detection on each grouped data signal. Since only a relatively small number of data signals in each group need to be detected separately after grouping, the complex signal detection process can be split into relatively simple signals in each group. The detection process reduces the complexity of signal detection, thereby filling the technical gaps in related methods.
- the signal detection device 100 further includes: a signal combination detection component 140, connected to the output end of the signal detection component 120, configured to receive the group detection results for all data signals, and perform Interference elimination processing is performed on the grouping detection results to obtain output detection results for all data signals; interference elimination processing is performed on the grouping detection results based on the signal merging detection component 140 to obtain output detection results, which can improve signal detection performance and improve possible problems caused by grouping detection. Error effects to meet detection needs.
- a signal combination detection component 140 connected to the output end of the signal detection component 120, configured to receive the group detection results for all data signals, and perform Interference elimination processing is performed on the grouping detection results to obtain output detection results for all data signals
- interference elimination processing is performed on the grouping detection results based on the signal merging detection component 140 to obtain output detection results, which can improve signal detection performance and improve possible problems caused by grouping detection. Error effects to meet detection needs.
- signal processing components may include, but are not limited to:
- a first signal processing component configured to receive an initial signal including multiple data streams and perform front-end processing on the initial signal to obtain multiple first processed signals;
- the second signal processing component is respectively connected to the first signal processing component and the signal grouping component, and is configured to receive all first processed signals sent by the first signal processing component, and perform frequency offset correction and frequency correction on all first processed signals. Domain processing obtains all data signals carrying channel parameters, and sends all data signals and channel parameters corresponding to each data signal to the signal grouping component.
- the first signal processing component and the second signal processing component Through the cooperation of the first signal processing component and the second signal processing component, it is possible to obtain the initial wireless signal and preprocess the wireless signal to obtain the data signal to be detected and its corresponding channel parameters, so that the signal grouping component can obtain to the channel parameters of each data signal and perform subsequent correlation detection operations. That is to say, the first signal processing component and the second signal processing component can cooperate to preprocess the initial data signal and determine the channel parameters of each data signal. .
- the first signal processing component can serve as a radio frequency front-end to receive the initial wireless signal from the air interface and perform front-end processing on it.
- the front-end processing includes but is not limited to: AGC amplification, spectrum shifting, filtering, etc., through the first signal processing component
- the first processed signal is obtained through processing, so that the first processed signal can become a signal that can be processed by the backend.
- the second signal processing component may include but is not limited to a signal input frequency offset compensation component, a Fast Fourier Transform (FFT) module, and a Long Training Field (LTF) parser.
- the signal input frequency offset compensation component Frequency offset correction can be performed on the first processed signal to reduce inter-subcarrier interference caused by frequency offset, and then the processed signal is sent to the FFT module and converted to the frequency domain for processing.
- the LTF part and The remaining data parts are separated, and then the LTF part is sent to the LTF parser for channel estimation to obtain the channel matrix H. In this way, the data signal carrying the channel parameters can be obtained, so that the channel parameters of each data signal can be sent to the signal grouping component.
- the signal processing component, the signal grouping component, the signal detection component and the signal combining detection component can be integratedly provided in the signal detection device, or can be separately separated from the signal detection device, or the technology in the art Technicians can also choose the implementation method of cooperation between various components, which is not limited here.
- the signal detection device can be applied to, but is not limited to, a communication system that adopts the 7th generation WIFI protocol and communicates based on multiple-input multiple-output MIMO technology, and can be adapted to process a relatively large number (for example, the number of spatial streams) at the same time. Greater than 4) AP under the 7th generation WIFI protocol of spatial stream data, where the "spatial stream data" in this embodiment essentially expresses the same meaning as the "spatial stream” and "data signal” in the following embodiments, That is to say, they all refer to the signals to be detected. To avoid confusion, this is explained hereby.
- the application scenario of the signal detection device may be, but is not limited to, a site STA intensive access scenario, as shown in Figure 3.
- Figure 3 is a schematic diagram of the application scenario of the signal detection device provided by an embodiment of the present application.
- An AP in Figure 3 needs to process multiple spatial streams from various terminals (i.e., terminal 1, terminal 2...terminal n shown in Figure 3) at the same time, that is, the AP uses MU- allowed by the 7th generation WIFI protocol.
- MIMO technology performs spatial stream access until the number of streams that the AP needs to detect simultaneously reaches 16.
- the signal detection device can group each spatial stream according to the preset strategy, and detect within each group to obtain the group detection result, and then The group detection results are sent to subsequent modules for processing, and the decoupling of the received signals can be completed through the above process.
- this application can not only be applied to the intensive access multi-data stream detection scenario of the 7th generation WIFI protocol, but is also compatible with previous WIFI protocols. It can not only be applied to Single AP detection in the WLAN field, but also may be used In the MIMO detection of multiple APs in the WLAN field, there is no limitation here.
- the terminal in Figure 3 may be, but is not limited to, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, wireless Communication equipment, user agent or user device, etc., and the presentation form in specific application scenarios may be different. That is to say, the terminal may be different in different application scenarios, which is not limited here.
- UE user equipment
- user unit user station
- mobile station mobile station
- remote station remote terminal
- mobile device user terminal
- wireless Communication equipment user agent or user device, etc.
- the terminal may be different in different application scenarios, which is not limited here.
- the signal grouping component is configured to calculate the characteristic value corresponding to each data signal based on the acquired channel parameters of multiple data signals and a preset channel parameter scoring strategy, and group the characteristic values from all data signals.
- Several data signals whose characteristic values are within the same preset range are divided into the same group. That is to say, the signal grouping component can be based on multiple The relevant feature values calculated by the data signals are respectively used to achieve accurate grouping. In this way, the grouping method is dominated by the scoring value, and there will not be too many wrong groupings or missed groupings, which can ensure that the grouping can proceed normally.
- the channel parameters may include multiple types, such as signal-to-interference plus Noise Ratio (SINR), signal-to-noise ratio (Signal-Noise Ratio, SNR), channel matrix, etc., which are not limited here.
- SINR signal-to-interference plus Noise Ratio
- SNR signal-to-noise Ratio
- channel matrix etc., which are not limited here.
- SINR signal-to-interference plus Noise Ratio
- the preset range can be a similar range, that is, several data with similar eigenvalues can be
- the information is divided into the same group, which means that the preset range of the grouping results can be set according to the actual scenario, which is not limited here; in addition, the number of groups divided based on the division method of this embodiment and the number of groups in each group
- the number of data signals is not limited.
- the channel parameter scoring strategy can be set according to specific application scenarios, which is not limited here.
- the channel parameter scoring strategy may include but is not limited to at least one of the following:
- the score is based on the size of the signal-to-interference-to-noise ratio
- the score is based on the size of the signal-to-noise ratio
- the scoring is based on the main diagonal elements of the channel matrix
- the score is based on the size of the column two norm of the channel matrix
- scoring is performed based on the magnitude of the signal strength.
- channel parameters may also include other types, and the channel parameter scoring strategy may be changed accordingly, without limitation. Examples are given below to illustrate the working principle of the signal grouping component.
- a grouper is used as the signal grouping component.
- the grouper is a device that groups data signals according to certain rules or parameters (for example, channel matrix H or signal strength). The purpose is to group the data signals of the working environment into the same group. Detection, its input can be the channel matrix H and the data signal to be detected, and the output is the data signal to be detected that has been grouped and adjusted to indicate which data signals in the same group are sent to subsequent signal detection components for detection.
- a grouping process can be as follows: calculate the score of each spatial stream according to the scoring criteria, and group the spatial streams with similar scores into the same group.
- the scoring criteria can be but are not limited to: SNR optimal, main diagonal of the channel matrix The elements are dominant, the SINR is optimal, the column two norm of the channel matrix is the largest, and the received signal strength is optimal, etc., you can select groups with high detection scores in subsequent detections.
- the channel matrix H is inverted to obtain Then calculate the score of the spatial stream in the corresponding sorting group separately.
- the calculation method is:
- the group that should be detected currently is the group corresponding to the above calculation result.
- the channel matrix H is divided by rows Each row vector can be expressed as At this time, the Bank’s Score is:
- the signal detection component may, but is not limited to, be configured to perform serial packet detection or parallel packet detection on multiple data signals according to the packet results. That is to say, the signal detection component may use a single packet detector to perform serial packet detection. Line detection or multiple packet detectors are used for parallel detection. The accuracy of detection of multiple data signals can be ensured through serial packet detection or parallel packet detection. As for the specific use of serial packet detection or parallel packet detection, it can be determined according to actual conditions. The selection setting is based on the scenario, that is to say, generally speaking, parallel detection is more efficient but the cost is relatively higher, so it is necessary to weigh and select the corresponding detection method in the specific scenario.
- the signal detection component may, but is not limited to, be configured to use ZF detection algorithm, MMSE detection algorithm, maximum likelihood detection algorithm, spherical detection algorithm, serial interference cancellation detection algorithm and parallel interference cancellation detection algorithm.
- At least one method is to perform group detection on multiple data signals after grouping to ensure that the group detection process can proceed normally, that is, with the assistance of the algorithm, multiple data signals after grouping can be accurately and reliably detected into groups.
- the algorithm can be selected and set according to specific scenarios, and is not limited here; among them, the maximum likelihood detection algorithm can be of many types, for example, it can be in the normal state, or in the reduced state, etc.
- the signal combination detection component may be, but is not limited to, configured as follows: Perform interference elimination processing on the packet detection results in at least one of the following ways:
- the signal detection results of each data signal are obtained from the packet detection results, and parallel interference elimination processing is performed on all signal detection results.
- one or more suitable one or more of the above various interference cancellation processing methods can be selected for interference cancellation processing according to the actual situation.
- serial interference cancellation processing is performed on the group detection results, that is, an inter-group serial interference cancellation method is deployed on a group basis, which is beneficial to eliminating the serial interference between each group, or the group detection results are processed.
- Parallel interference cancellation processing that is, deploying a group-based parallel interference cancellation method, is conducive to eliminating parallel interference between each group; the signal detection results of each data signal are obtained from the group detection results, and all signal detection results are Perform serial interference cancellation processing, that is, deploy a serial interference cancellation method based on data signals, which is helpful to eliminate the serial interference between each group, or obtain the signal detection result of each data signal from the group detection result, and All signal detection results undergo parallel interference cancellation processing, that is, deploying a parallel interference cancellation method based on data signals, which is beneficial to eliminating parallel interference between each group.
- the signal combination detection component is further configured to perform multiple iterations of interference elimination processing on the output detection results, wherein the input of the next iteration of interference elimination processing is the output detection result corresponding to the previous iteration of interference elimination processing; Iterative interference elimination processing on the output detection results is conducive to optimizing the output detection results in an iterative manner, that is, deploying a single signal merging detection component with an iterative structure to perform iterative interference elimination to obtain better output detection results. For example, it is possible but not The input of this iteration is limited to the output detection result of the previous iteration, and so on. When the preset number of iterations is reached or the detection result is determined to meet the preset requirements, the iteration can be stopped.
- Figure 4 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- the signal detection equipment adopts the setting method of multiple parallel detectors + a single detection result combiner.
- the signal detection component uses multiple detectors to work in parallel. The more detectors, the higher the parallelism and the faster the detection speed. However, The cost is also higher, and the number of detectors is less than or equal to the number of groups; two detection result combiners can be deployed in the signal combination detection component to work serially with each other. Theoretically, the more detection result combiners, the more output detection results. The results are more precise.
- Figure 5 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- the signal detection equipment uses a single serial detector + no detection result combiner setup.
- the cost of this setup is relatively low, but due to the lack of merging operations for grouped detection results, there may be some component interference errors.
- Figure 6 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- the signal detection equipment adopts the setup method of a single serial detector + a single detection result combiner, which can also relatively reduce the setup cost.
- Figure 7 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- the signal detection equipment adopts the setting method of a single serial detector + a single iterative detection result combiner, which is conducive to optimizing the output results in an iterative manner.
- Figure 8 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- the signal detection equipment adopts a setting method of multiple parallel detectors + multiple serial detection result combiners (two are shown in Figure 8, and there can be more in specific scenarios), which is conducive to optimization. Output the detection results.
- Figure 9 is a schematic diagram of a signal detection device provided by another embodiment of the present application.
- the signal detection equipment adopts a setting method of a single serial detector + multiple serial detection result combiners (two are shown in Figure 9, and there can be more in specific scenarios), which can relatively reduce Set costs and optimize output detection results.
- the signal detection device 100 and its signal grouping component 110, signal detection component 120 and signal processing component 130 shown in Figure 1 have the above functions, as well as the signal detection device 100 and its signal processing shown in Figure 2
- the above-mentioned functions of the component 130, the signal grouping component 110, the signal detection component 120 and the signal combination detection component 140 can be applied in different application scenarios, and are not limited here.
- the signal detection device 100 and its signal grouping components 110, The signal detection component 120 and the signal processing component 130, as well as the signal detection device 100 and its signal processing component 130, signal grouping component 110, signal detection component 120 and signal combination detection component 140 shown in Figure 2, can be applied to 5G and 6G communications.
- Network systems and subsequently evolved mobile communication network systems, etc., are not specifically limited in this embodiment.
- the signal grouping component 110, the signal detection component 120 and the signal combination detection component 140 do not limit the embodiments of the present application. They may include more or less components than shown in the figures, or some components may be combined, or different components may be used. Component placement.
- Figure 10 is a flow chart of a signal detection method provided by an embodiment of the present application.
- the signal detection method can be, but is not limited to, applied to signal detection equipment, such as the signal detection in the embodiment shown in Figure 1 device 100 or the signal detection device 100 in the embodiment shown in FIG. 2 .
- the signal detection method may include but is not limited to step S110 to step S130.
- Step S110 The control signal processing component receives an initial signal including multiple data streams, and preprocesses the initial signal to obtain multiple data signals and channel parameters corresponding to each data signal;
- Step S120 The control signal grouping component receives multiple data signals and channel parameters corresponding to each data signal, and groups the multiple data signals according to the channel parameters of the multiple data signals;
- Step S130 The control signal detection component receives the multiple grouped data signals, and performs group detection on the multiple grouped data signals to obtain group detection results for all data signals.
- the signal processing component preprocesses the initial signal to obtain multiple data signals and the channel parameters corresponding to each data signal, so that the signal grouping component groups the multiple data signals to be detected according to the channel parameters, and based on the signal
- the detection component performs group detection on each grouped data signal. Since only a relatively small number of data signals in each group need to be detected separately after grouping, the complex signal detection process can be split into relatively simple ones in each group. The signal detection process reduces the complexity of signal detection, thereby filling the technical gaps in related methods.
- steps S110 to S130 in this embodiment belong to the same inventive concept and the related embodiments of the above-mentioned signal detection equipment, they are completely corresponding to each other. The only difference is that the objects of the method and the device are different. Therefore, this method
- steps S110 to step S130 in the embodiment reference can be made to the relevant embodiments of the signal detection device in the above embodiment. In order to avoid redundancy, other details of steps S110 to step S130 in this embodiment are Specific implementations and related implementations will not be described again here.
- step S130 which also includes but is not limited to step S140.
- Step S140 The control signal combining detection component receives the grouping detection results for all data signals, and performs interference elimination processing on the grouping detection results to obtain output detection results for all data signals.
- the output detection results are obtained by performing interference elimination processing on the grouping detection results, which can improve the signal detection performance and improve the possible error effects caused by the grouping detection to meet the detection needs.
- control signal combination detection component performs interference elimination processing on the packet detection results" in step S140, which includes at least one of the following:
- the signal detection results of each data signal are obtained from the packet detection results, and parallel interference elimination processing is performed on all signal detection results.
- serial interference elimination processing is performed on the group detection results, that is, an inter-group serial interference elimination method is deployed on a group basis, which is beneficial to eliminating serial interference between each group, or parallel interference is performed on the group detection results
- Elimination processing that is, deploying a group-based parallel interference elimination method to help eliminate parallel interference between groups; obtain the signal detection results of each data signal from the group detection results, and serialize all signal detection results
- Line interference cancellation processing that is, deploying a serial interference cancellation method based on data signals, is conducive to eliminating the serial interference between each group, or obtaining the signal detection results of each data signal from the group detection results, and all signals
- the detection results are subjected to parallel interference cancellation processing, that is, a parallel interference cancellation method based on data signals is deployed, which is beneficial to eliminating parallel interference between each group.
- step S140 An embodiment of the present application describes the steps after step S140, which also includes but is not limited to step S150.
- Step S150 The control signal merging detection component performs multiple iterations of interference elimination processing on the output detection results, where the input of the next iteration of interference elimination processing is the output detection result corresponding to the previous iteration of interference elimination processing.
- iterative interference elimination processing is performed on the output detection results, which is conducive to optimizing the output detection results in an iterative manner, that is, deploying a single signal merging detection component with an iterative structure to perform iterative interference elimination to obtain better output detection results, such as , the input of this iteration can be, but is not limited to, set to the last output detection result, and so on.
- the iteration can be stopped.
- step S140 and step S150 in this embodiment belong to the same inventive concept and the related embodiments of the above-mentioned signal detection equipment, they are completely corresponding to each other. The only difference is that the objects of the method and the device are different. Therefore, this method
- step S140 and step S150 in the embodiment reference can be made to the relevant embodiments of the signal detection device in the above embodiment. In order to avoid redundancy, other specific implementations of step S140 and step S150 in this embodiment are Specific implementations and related implementations will not be described again here.
- Step S120 includes but is not limited to steps S1201 to S1202.
- Step S1201 The control signal grouping component calculates the characteristic value corresponding to each data signal based on the channel parameters of multiple data signals and the preset channel parameter scoring strategy;
- Step S1202 The control signal grouping component divides several data signals whose characteristic values are within the same preset range from all data signals into the same group.
- control signal grouping component achieves accurate grouping based on the relevant characteristic values calculated separately for multiple data signals. In this way, the grouping method is dominated by the scoring value, and there will not be too many wrong groupings or missed groupings. situation to ensure that the grouping can proceed normally.
- the channel parameter scoring strategy can be set according to specific application scenarios, which is not limited here.
- the channel parameter scoring strategy may include but is not limited to at least one of the following:
- the score is based on the size of the signal-to-interference-to-noise ratio
- the score is based on the size of the signal-to-noise ratio
- the scoring is based on the main diagonal elements of the channel matrix
- the score is based on the size of the column two norm of the channel matrix
- scoring is performed based on the magnitude of the signal strength.
- channel parameters may also include other types, and the channel parameter scoring strategy may be changed accordingly without limitation.
- steps S1201 to S1202 in this embodiment and the related embodiments of the above-mentioned signal detection equipment belong to the same inventive concept and are completely corresponding to each other, the only difference lies in the object of the method and the device. Therefore, this implementation
- steps S1201 to S1202 in the example reference can be made to the relevant embodiments of the signal detection device in the above embodiment. In order to avoid redundancy, other specific implementations of steps S1201 to S1202 in this embodiment are The relevant implementation methods will not be described again here.
- Step S130 includes but is not limited to step S131.
- Step S131 The control signal detection component performs serial grouping detection or parallel grouping detection on multiple data signals according to the grouping results.
- the signal detection component can use a single group detector for serial detection or multiple group detectors for parallel detection.
- the accuracy of detecting multiple data signals can be ensured through serial group detection or parallel group detection.
- serial group detection or parallel group detection you can choose and set it according to the actual scenario. That is to say, generally speaking, parallel detection is more efficient but the cost is relatively higher, so a trade-off needs to be made in specific scenarios. Corresponding detection method.
- step S131 in this embodiment and the related embodiments of the above-mentioned signal detection equipment belong to the same inventive concept and are completely corresponding to each other, the only difference lies in the objects of the method and the device. Therefore, in this embodiment
- step S131 please refer to the relevant embodiments of the signal detection device in the above embodiment. To avoid redundancy, other specific implementations and related implementations of step S131 of this embodiment are here No longer.
- Step S130 includes but is not limited to step S132.
- Step S132 The control signal detection component uses at least one of a zero-forcing detection algorithm, a minimum mean square error detection algorithm, a maximum likelihood detection algorithm, a spherical detection algorithm, a serial interference cancellation detection algorithm, and a parallel interference cancellation detection algorithm to group The multiple data signals behind are grouped for detection.
- algorithm detection is used to ensure that the packet detection process can proceed normally, that is, with the assistance of the algorithm, multiple data signals can be accurately and reliably detected in packets.
- step S132 in this embodiment and the related embodiments of the above-mentioned signal detection equipment belong to the same inventive concept and are completely corresponding to each other, the only difference lies in the objects of the method and the device. Therefore, in this embodiment
- step S132 please refer to the relevant embodiments of the signal detection device in the above embodiment. To avoid redundancy, other specific implementations and related implementations of step S132 of this embodiment are here No longer.
- step S110 which includes but is not limited to steps S111 to S113.
- Step S111 Control the first signal processing component to receive an initial signal including multiple data streams and perform front-end processing on the initial signal to obtain multiple first processed signals;
- Step S112 Control the second signal processing component to receive all first processing signals sent by the first signal processing component, and perform frequency offset correction and frequency domain processing on all first processed signals to obtain all data signals carrying channel parameters;
- Step S113 Control the second signal processing component to send all data signals and channel parameters corresponding to each data signal to the signal grouping component.
- the first signal processing component and the second signal processing component by controlling the first signal processing component and the second signal processing component, it is possible to obtain the initial wireless signal and preprocess the wireless signal to obtain the data signal to be detected and its corresponding channel parameters, so as to group the signals.
- the component can obtain the channel parameters of each data signal and perform subsequent correlation detection operations, that is, control the first signal processing component and the second signal processing component to cooperate to preprocess the initial data signal to determine each data The role of the channel parameters of the signal.
- steps S111 to S113 in this embodiment and the related embodiments of the above-mentioned signal detection equipment belong to the same inventive concept and are completely corresponding to each other, the only difference lies in the objects of the method and the device. Therefore, this embodiment
- steps S111 to S113 in the example reference can be made to the relevant embodiments of the signal detection device in the above embodiment. In order to avoid redundancy, other specific implementations of steps S111 to S113 in this embodiment are The relevant implementation methods will not be described again here.
- one embodiment of the present application also discloses a signal detection device 200, including: at least one processor 210; at least one memory 220 configured to store at least one program; when at least one program is When executed, at least one processor 210 implements the signal detection method as in any previous embodiment.
- an embodiment of the present application also discloses a computer-readable storage medium in which computer-executable instructions are stored, and the computer-executable instructions are configured to perform the signal detection method as in any of the previous embodiments.
- an embodiment of the present application also discloses a computer program product, which includes a computer program or computer instructions.
- the computer program or computer instructions are stored in a computer-readable storage medium.
- the processor of the computer device reads the computer program from the computer-readable storage medium.
- the computer program or computer instructions are obtained, and the processor executes the computer program or computer instructions, so that the computer device performs the signal detection method as in any of the previous embodiments.
- the signal processing component preprocesses the initial signal to obtain multiple data signals and the channel parameters corresponding to each data signal, so that the signal grouping component groups the multiple data signals to be detected according to the channel parameters, and Based on the signal detection component, each grouped data signal is detected in groups. Since only a relatively small number of data signals in each group need to be detected separately after grouping, the complex signal detection process can be split into relatively small numbers in each group. The simple signal detection process reduces the complexity of signal detection, thereby filling the technical gaps in related methods.
- Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disk (DVD) or other optical disk storage, magnetic cassettes, tapes, disk storage or other magnetic storage devices, or may Any other medium used to store the desired information and that can be accessed by a computer.
- communication media typically embody computer readable instructions, data structures, program modules, or programs such as Other data in a modulated data signal such as a carrier wave or other transport mechanism and may include any information delivery medium.
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Abstract
Description
Claims (18)
- 一种信号检测设备,包括:信号处理组件,被配置为接收包括多个数据流的初始信号,并对所述初始信号进行预处理得到多个数据信号以及每个所述数据信号对应的信道参数;信号分组组件,与所述信号处理组件的输出端连接,被配置为接收所述多个数据信号以及每个所述数据信号对应的信道参数,并根据所述多个数据信号的信道参数对所述多个数据信号进行分组;信号检测组件,与所述信号分组组件的输出端连接,被配置为接收分组后的所述多个数据信号,并对分组后的所述多个数据信号进行分组检测,得到对于所有所述数据信号的分组检测结果。
- 根据权利要求1所述的信号检测设备,还包括:信号合并检测组件,与所述信号检测组件的输出端连接,被配置为接收对于所有所述数据信号的分组检测结果,并对所述分组检测结果进行干扰消除处理,得到对于所有所述数据信号的输出检测结果。
- 根据权利要求2所述的信号检测设备,其中,所述信号合并检测组件被配置为采用如下至少之一的方式对所述分组检测结果进行干扰消除处理:对所述分组检测结果进行串行干扰消除处理;或对所述分组检测结果进行并行干扰消除处理;或从所述分组检测结果中获取每个所述数据信号的信号检测结果,对所有所述信号检测结果进行串行干扰消除处理;或从所述分组检测结果中获取每个所述数据信号的信号检测结果,对所有所述信号检测结果进行并行干扰消除处理。
- 根据权利要求2所述的信号检测设备,其中,所述信号合并检测组件还被配置为对所述输出检测结果进行多次迭代干扰消除处理,其中,下一次所述迭代干扰消除处理的输入为上一次所述迭代干扰消除处理对应的所述输出检测结果。
- 根据权利要求1所述的信号检测设备,其中,所述信号分组组件被配置为根据所述多个数据信号的信道参数和预设的信道参数评分策略计算出每个所述数据信号对应的特征值,并从所有所述数据信号中,将所述特征值处于同一预设范围内的若干所述数据信号划分到同一组中。
- 根据权利要求5所述的信号检测设备,其中,所述信道参数评分策略包括如下至少之一:当所述信道参数包括信干噪比,根据所述信干噪比的大小进行评分;或当所述信道参数包括信噪比,根据所述信噪比的大小进行评分;或当所述信道参数包括信道矩阵,根据所述信道矩阵的主对角元素进行评分;或当所述信道参数包括信道矩阵,根据所述信道矩阵的列二范数的大小进行评分;或当所述信道参数包括信号强度,根据所述信号强度的大小进行评分。
- 根据权利要求1所述的信号检测设备,其中,所述信号检测组件被配置为采用迫零检测算法,或最小均方误差检测算法,或最大似然检测算法,或球形检测算法,或串行干扰消 除检测算法,或并行干扰消除检测算法中的至少一种,对分组后的所述多个数据信号进行分组检测。
- 根据权利要求1所述的信号检测设备,其中,所述信号处理组件包括:第一信号处理组件,被配置为接收包括多个数据流的初始信号并对所述初始信号进行前端处理,得到多个第一处理信号;第二信号处理组件,分别与所述第一信号处理组件和所述信号分组组件连接,被配置为接收由所述第一信号处理组件发送的所有所述第一处理信号,并对所有所述第一处理信号进行频偏修正和频域处理得到所有携带所述信道参数的所述数据信号,向所述信号分组组件发送所有所述数据信号和每个所述数据信号对应的信道参数。
- 一种信号检测方法,应用于信号检测设备,所述信号检测设备包括信号处理组件、信号分组组件和信号检测组件,所述信号检测组件分别与所述信号分组组件和所述信号合并检测组件连接;所述信号检测方法,包括:控制所述信号处理组件接收包括多个数据流的初始信号,并对所述初始信号进行预处理得到多个数据信号以及每个所述数据信号对应的信道参数;控制所述信号分组组件接收所述多个数据信号以及每个所述数据信号对应的信道参数,并根据所述多个数据信号的信道参数对所述多个数据信号进行分组;控制所述信号检测组件接收分组后的所述多个数据信号,并对分组后的所述多个数据信号进行分组检测,得到对于所有所述数据信号的分组检测结果。
- 根据权利要求9所述的信号检测方法,其中,所述信号检测设备还包括与所述信号检测组件的输出端连接的信号合并检测组件;所述对分组后的所述多个数据信号进行分组检测,得到对于所有所述数据信号的分组检测结果之后,还包括:控制所述信号合并检测组件接收对于所有所述数据信号的分组检测结果,并对所述分组检测结果进行干扰消除处理,得到对于所有所述数据信号的输出检测结果。
- 根据权利要求10所述的信号检测方法,其中,所述控制所述信号合并检测组件对所述分组检测结果进行干扰消除处理,包括如下至少之一:控制所述信号合并检测组件对所述分组检测结果进行串行干扰消除处理;或控制所述信号合并检测组件对所述分组检测结果进行并行干扰消除处理;或控制所述信号合并检测组件从所述分组检测结果中获取每个所述数据信号的信号检测结果,对所有所述信号检测结果进行串行干扰消除处理;或控制所述信号合并检测组件从所述分组检测结果中获取每个所述数据信号的信号检测结果,对所有所述信号检测结果进行并行干扰消除处理。
- 根据权利要求10所述的信号检测方法,其中,所述对所述分组检测结果进行干扰消除处理,得到对于所有所述数据信号的输出检测结果之后,还包括:控制所述信号合并检测组件对所述输出检测结果进行多次迭代干扰消除处理,其中,下一次所述迭代干扰消除处理的输入为上一次所述迭代干扰消除处理对应的所述输出检测结果。
- 根据权利要求9所述的信号检测方法,其中,所述控制所述信号分组组件根据所述多个数据信号的信道参数对所述多个数据信号进行分组,包括:控制所述信号分组组件根据所述多个数据信号的信道参数和预设的信道参数评分策略计 算出每个所述数据信号对应的特征值;控制所述信号分组组件从所有所述数据信号中,将所述特征值处于同一预设范围内的若干所述数据信号划分到同一组中。
- 根据权利要求13所述的信号检测方法,其中,所述信道参数评分策略包括如下至少之一:当所述信道参数包括信干噪比,根据所述信干噪比的大小进行评分;或当所述信道参数包括信噪比,根据所述信噪比的大小进行评分;或当所述信道参数包括信道矩阵,根据所述信道矩阵的主对角元素进行评分;或当所述信道参数包括信道矩阵,根据所述信道矩阵的列二范数的大小进行评分;或当所述信道参数包括信号强度,根据所述信号强度的大小进行评分。
- 根据权利要求9所述的信号检测方法,其中,所述控制所述信号检测组件对分组后的所述多个数据信号进行分组检测,包括:控制所述信号检测组件采用迫零检测算法,或最小均方误差检测算法,或最大似然检测算法,或球形检测算法,或串行干扰消除检测算法,或并行干扰消除检测算法中的至少一种,对分组后的所述多个数据信号进行分组检测。
- 根据权利要求9所述的信号检测方法,其中,所述信号处理组件包括第一信号处理组件和第二信号处理组件,所述第二信号处理组件分别与所述第一信号处理组件和所述信号分组组件连接;所述控制所述信号处理组件接收包括多个数据流的初始信号,并对所述初始信号进行预处理得到多个数据信号以及每个所述数据信号对应的信道参数,包括:控制所述第一信号处理组件接收包括多个数据流的初始信号并对所述初始信号进行前端处理,得到多个第一处理信号;控制所述第二信号处理组件接收由所述第一信号处理组件发送的所有所述第一处理信号,并对所有所述第一处理信号进行频偏修正和频域处理得到所有携带所述信道参数的所述数据信号;控制所述第二信号处理组件向所述信号分组组件发送所有所述数据信号和每个所述数据信号对应的信道参数。
- 一种信号检测设备,包括:至少一个处理器;至少一个存储器,被配置为存储至少一个程序;当至少一个所述程序被至少一个所述处理器执行时,实现如权利要求9至16任意一项所述的信号检测方法。
- 一种计算机可读存储介质,存储有处理器可执行的程序,所述处理器可执行的程序被处理器执行时,被配置为实现如权利要求9至16任意一项所述的信号检测方法。
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12138160B2 (en) | 2014-11-26 | 2024-11-12 | Edwards Lifesciences Corporation | Transcatheter prosthetic heart valve and delivery system |
US12285330B2 (en) | 2013-03-14 | 2025-04-29 | Edwards Lifesciences Cardiaq Llc | Prosthesis for atraumatically grasping intralumenal tissue and methods of delivery |
US12295584B2 (en) | 2015-03-20 | 2025-05-13 | Edwards Lifesciences Corporation | Systems and methods for delivering an implantable device |
US12295839B2 (en) | 2019-04-23 | 2025-05-13 | Edwards Lifesciences Corporation | Motorized implant delivery system |
US12303385B2 (en) | 2013-02-04 | 2025-05-20 | Edwards Lifesciences Corporation | Method of implanting a spacer body in a mitral valve |
US12310853B2 (en) | 2014-09-28 | 2025-05-27 | Edwards Lifesciences Corporation | Systems and methods for treating cardiac dysfunction |
US12318290B2 (en) | 2010-09-23 | 2025-06-03 | Edwards Lifesciences Cardiaq Llc | Replacement heart valves, delivery devices and methods |
US12343252B2 (en) | 2009-04-15 | 2025-07-01 | Edwards Lifesciences Cardiaq Llc | Vascular implant and delivery system |
US12357453B2 (en) | 2020-10-08 | 2025-07-15 | Edwards Lifesciences Corporation | Prosthetic heart valve with atrial sealing member |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5933423A (en) * | 1994-07-04 | 1999-08-03 | Nokia Telecommunications Oy | Reception method, and a receiver |
US20020018454A1 (en) * | 2000-03-15 | 2002-02-14 | Misra Raj Mani | Multi-user detection using an adaptive combination of joint detection and successive interface cancellation |
US20070127587A1 (en) * | 2005-12-01 | 2007-06-07 | Samsung Electronics Co., Ltd. | Interleaver design for IEEE 802.11n standard |
US20140211704A1 (en) * | 2013-01-28 | 2014-07-31 | Qualcomm Incorporated | Extending range and delay spread in wifi bands |
US20150327282A1 (en) * | 2014-05-12 | 2015-11-12 | Qualcomm Incorporated | Methods and apparatus for channel selection in a wireless local area network |
US10637705B1 (en) * | 2017-05-25 | 2020-04-28 | Genghiscomm Holdings, LLC | Peak-to-average-power reduction for OFDM multiple access |
US20200145155A1 (en) * | 2018-11-04 | 2020-05-07 | Semiconductor Components Industries, Llc | Early link detection based adaptive selection of receive parameters |
CN112565117A (zh) * | 2020-11-06 | 2021-03-26 | 西安电子科技大学 | 滤波器组多载波信道估计方法、系统、介质、终端及应用 |
CN114389756A (zh) * | 2022-01-20 | 2022-04-22 | 东南大学 | 基于分组ml检测和并行迭代干扰抵消的上行mimo检测方法 |
-
2022
- 2022-06-27 CN CN202210736249.3A patent/CN117353876A/zh active Pending
-
2023
- 2023-06-14 EP EP23829971.3A patent/EP4546686A1/en active Pending
- 2023-06-14 WO PCT/CN2023/100243 patent/WO2024001789A1/zh active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5933423A (en) * | 1994-07-04 | 1999-08-03 | Nokia Telecommunications Oy | Reception method, and a receiver |
US20020018454A1 (en) * | 2000-03-15 | 2002-02-14 | Misra Raj Mani | Multi-user detection using an adaptive combination of joint detection and successive interface cancellation |
US20070127587A1 (en) * | 2005-12-01 | 2007-06-07 | Samsung Electronics Co., Ltd. | Interleaver design for IEEE 802.11n standard |
US20140211704A1 (en) * | 2013-01-28 | 2014-07-31 | Qualcomm Incorporated | Extending range and delay spread in wifi bands |
US20150327282A1 (en) * | 2014-05-12 | 2015-11-12 | Qualcomm Incorporated | Methods and apparatus for channel selection in a wireless local area network |
US10637705B1 (en) * | 2017-05-25 | 2020-04-28 | Genghiscomm Holdings, LLC | Peak-to-average-power reduction for OFDM multiple access |
US20200145155A1 (en) * | 2018-11-04 | 2020-05-07 | Semiconductor Components Industries, Llc | Early link detection based adaptive selection of receive parameters |
CN112565117A (zh) * | 2020-11-06 | 2021-03-26 | 西安电子科技大学 | 滤波器组多载波信道估计方法、系统、介质、终端及应用 |
CN114389756A (zh) * | 2022-01-20 | 2022-04-22 | 东南大学 | 基于分组ml检测和并行迭代干扰抵消的上行mimo检测方法 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12343252B2 (en) | 2009-04-15 | 2025-07-01 | Edwards Lifesciences Cardiaq Llc | Vascular implant and delivery system |
US12318290B2 (en) | 2010-09-23 | 2025-06-03 | Edwards Lifesciences Cardiaq Llc | Replacement heart valves, delivery devices and methods |
US12303385B2 (en) | 2013-02-04 | 2025-05-20 | Edwards Lifesciences Corporation | Method of implanting a spacer body in a mitral valve |
US12285330B2 (en) | 2013-03-14 | 2025-04-29 | Edwards Lifesciences Cardiaq Llc | Prosthesis for atraumatically grasping intralumenal tissue and methods of delivery |
US12310853B2 (en) | 2014-09-28 | 2025-05-27 | Edwards Lifesciences Corporation | Systems and methods for treating cardiac dysfunction |
US12138160B2 (en) | 2014-11-26 | 2024-11-12 | Edwards Lifesciences Corporation | Transcatheter prosthetic heart valve and delivery system |
US12295584B2 (en) | 2015-03-20 | 2025-05-13 | Edwards Lifesciences Corporation | Systems and methods for delivering an implantable device |
US12295839B2 (en) | 2019-04-23 | 2025-05-13 | Edwards Lifesciences Corporation | Motorized implant delivery system |
US12357453B2 (en) | 2020-10-08 | 2025-07-15 | Edwards Lifesciences Corporation | Prosthetic heart valve with atrial sealing member |
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