199results about How to "Reduce bit error rate" patented technology

The invention relates to the technical field of communication optimization, in particular to a wireless communication method and system of a vehicle diagnosis system. The method comprises the following steps: identifying a plurality of signal sources in an environment and three-dimensional space data of a current position of a vehicle; performing scene interference intensity comprehensive evaluation on the plurality of signal sources in the environment to obtain a current scene interference intensity evaluation value of the vehicle; environment obstacle space layout analysis is carried out on the three-dimensional space data of the current position of the vehicle, environment three-dimensional modeling is carried out, and a vehicle environment three-dimensional point cloud model is constructed; signal multi-path propagation evolution is carried out according to the current scene interference intensity evaluation value of the vehicle and the vehicle environment three-dimensional point cloud model, and optimal signal frequency band analysis is carried out, so that optimal signal frequency band parameters are extracted; and carrying out dynamic transmission frequency modulation and signal adaptive coding based on the optimal signal frequency band parameter, and constructing a dynamic signal transmission strategy. According to the invention, efficient and stable wireless communication is realized, and the vehicle-mounted communication performance is improved.

The invention discloses a data cooperative transmission method and system for a low earth orbit satellite Internet of Things terminal, and the method specifically comprises the steps: carrying out the classification cutting of environment data, and forming a plurality of environment data subsets; determining a plurality of cooperative sending terminals and respective optimal communication paths between the first low earth orbit satellite Internet of Things terminal and each cooperative sending terminal based on a communication topological structure relationship between the low earth orbit satellite Internet of Things terminals in the ad hoc network; transmitting the environment data subsets with different priorities to corresponding cooperative sending terminals through different optimal communication paths; and according to the environment data subsets sent by each cooperative sending terminal and received by the low-orbit satellite, splicing the environment data subsets and forwarding the spliced environment data subsets to a target terminal or a ground station or a data center. According to the invention, the cooperative effect among a plurality of low-orbit satellite Internet of Things terminals can be fully utilized, and stable and reliable data transmission under the requirements of large data volume and high real-time performance is realized.

The invention discloses a rail transit operation and maintenance state data processing method and system based on artificial intelligence, particularly relates to the technical field of rail operation and maintenance management, and is used for solving the problem that the potential multipath effect degree of a tunnel area of rail transit cannot be found in advance in the prior art. A tunnel area is divided into a complex area and a common area, when a train is located in the common area, delay diffusion caused by a complex reflection path and spectrum expansion caused by dynamic Doppler frequency shift are evaluated by analyzing a high-precision channel impulse response estimation result and signal time-varying spectrum characteristics, and whether signal transmission is normal or not is judged; in a complex area, whether the tunnel curvature and the cross structure cause signal shielding and sudden fading or not is judged firstly, and if not, signal distortion caused by electromagnetic resonance is evaluated by analyzing high-order statistical characteristics. Finally, the signal delay diffusion degree and the electromagnetic resonance distortion degree are comprehensively analyzed, and the potential risk of signal transmission is evaluated.

The invention discloses a wireless communication network data secure transmission method and system, and relates to the technical field of secure transmission. During system operation, agricultural monitoring data are collected in real time through various sensor devices arranged in an agricultural environment, encryption processing is performed by using a symmetric encryption algorithm, and a dynamic key length adjustment mechanism is supported; a random number generator is integrated, unified management is performed on key generation, distribution, updating and destruction in a system, a timestamp or a random serial number is embedded into each data packet, the uniqueness of the timestamp or the serial number is verified at a receiving end, so that replay attacks are resisted, and the data are comprehensively analyzed and evaluated according to a set algorithm, so that the replay attack is prevented. The method comprises the following steps: acquiring a security data transmission performance index SDTP through calculation, generating a monitoring report, detecting abnormal conditions in a data transmission process, including channel quality reduction, data loss or verification failure, and providing a visual monitoring result.

The invention discloses a memristor-based signal detection circuit and method, a receiver and equipment, and relates to the field of wireless communication, a voltage source module of the circuit is connected with a voltage input end of a memristor array module, and a current source module is connected with a current input end of the memristor array module; the current output end of the memristor array module is connected with the reverse input end of the operational amplifier module and one end of the feedback resistor module, the other end of the feedback resistor module and the output end of the operational amplifier module are connected with the input end of the multiplier module, and the output end of the multiplier module is connected with one end of the resistor module. The voltage of the voltage source module is set according to the emission vector set; the current of the current source module is set according to the received radio frequency signal, and the conductance value of the memristor is set according to the channel matrix, so that a relatively low bit error rate of signal detection can be realized on the basis of greatly reducing calculation time and power consumption, and meanwhile, the requirement on programmable bit precision of the memristor is also reduced.

The invention discloses an intelligent power conversion cabinet control system and a power conversion cabinet, and relates to the technical field of power conversion cabinet control, and the system comprises a user interaction module, a touch screen and voice recognition convenient operation, and multilingual interaction; the battery management module is used for accurately monitoring parameters, quickly early warning abnormity and intelligently regulating and controlling charging and discharging; the battery replacement control module is high in identity verification speed and stable, accurate and fast in battery replacement operation; the data storage and analysis module is used for mass data storage and deep mining; the communication module is used for realizing dual-mode stable transmission and encrypted cache; the cabinet body comprises a plurality of battery cabins, the protection is comprehensive, the heat dissipation is intelligent, the modular design is beneficial to expansion, and the high-speed bus is strongly connected. The system is convenient in interaction and efficient in battery replacement. The battery management is accurate, the service life is prolonged, the data-driven operation is optimized, the communication is safe and stable, the remote monitoring is convenient, the cabinet body design is reasonable, the protection and heat dissipation are good, the modularization is flexible, the battery replacement service experience and operation benefits are powerfully improved, and the development of the intelligent battery replacement field is promoted.

The invention discloses a joint beam forming optimization method for an RIS auxiliary low-altitude communication system. The problem of performance bottleneck caused by interaction of active beam forming and passive beam forming is solved by adopting a genetic algorithm based on a dynamic adaptive theory. Aiming at the limitation of a standard optimization method, a hybrid strategy of genetic algorithm optimization and a full-connection neural network is explored, and intelligent collaborative setting of system parameters is realized. Simulation results show that the hybrid algorithm not only simplifies the calculation process to obtain the optimal network parameters, but also effectively optimizes the system structure by dynamically adjusting the RIS reflection configuration. On the basis, the signal transmission quality is improved, interference is reduced, and it is guaranteed that the RIS-assisted low-altitude unmanned aerial vehicle intelligent communication system stably and efficiently operates in a complex wireless transmission environment.

The invention relates to a constant envelope modulation method based on the combination of Interplex and CSK. The method comprises the following steps: generating at least one group of CSK authentication signals according to an authentication information rate and an authentication time interval; calculating a modulation coefficient according to the attenuation degree of the signal carrier-to-noise ratio; generating a transmission signal according to a preset signal system; taking each group of authentication signals as an input signal and modulating the input signal and the transmission signal on the same carrier through Interplex phase modulation; and calculating the modulation coefficient when the authentication signal is located at the frame header position of the carrier signal, and setting the modulation coefficients of other carrier signals to be 0. Through the technical scheme of the invention, the generation rate of the authentication signal is further improved, the influence on the original signal can be reduced by performing authentication at the frame header position, and the error rate of authentication is further reduced.

The invention discloses a communication signal interference optimization system and method based on machine learning, and the system comprises a channel data collection module which collects channel data in a communication environment, builds a channel data group, and transmits the channel data group to a data processing and feature extraction module; the data processing and feature extraction module is used for receiving the channel data set in real time and carrying out preprocessing and multi-feature engineering processing on the channel data set to obtain a channel feature set and a signal quality data set; the machine learning model module is used for constructing a multi-level model and training the constructed multi-level model; the self-adaptive channel selection optimization module is used for performing interference prediction analysis by using the training data transmitted by the machine learning model module and triggering a multi-channel switching mechanism; and the iterative optimization module is used for acquiring interference data in real time through the signal interference detection equipment group after the initial signal selection, evaluating and optimizing the current channel signal quality, and generating an iterative mechanism.

The invention discloses a signal synchronization method and system based on a free space quantum key distribution system, and belongs to the technical field of key transmission. A high-power synchronous laser is adopted as a synchronous light source, a preset frame identification head is adopted to modulate a synchronous light signal, the modulated synchronous light signal serves as reference light and is sent to a receiving end, then synchronous coding is conducted on the synchronous signal received by a synchronous detector of the receiving end, and position information of the synchronous signal is generated and sent to a single photon detector of the receiving end; and performing sequence correspondence on the quantum signal received by the single-photon detector at the receiving end and the synchronizing signal according to the position information to finish signal synchronization. Frame synchronization is achieved through the synchronous laser, bit synchronization is achieved through synchronous coding and sequence correspondence, interference of an atmospheric channel can be effectively resisted, and the bit error rate of the system is reduced.

The invention discloses a gateway and a data transmission method, relates to the technical field of communication, and can reduce networking complexity and networking cost. The gateway comprises at least two Ethernet interfaces supporting at least two industrial Ethernet protocols, an Ethernet real-time processing core and a first module, each Ethernet interface is used for receiving a message from field equipment and sending the message to the Ethernet real-time processing core; the Ethernet real-time processing core is used for receiving a message from the Ethernet interface and sending the message to the first module; and the first module is used for receiving the message from the Ethernet real-time processing core and sending the message to the control equipment. Wherein the industrial Ethernet protocol supported by the field device associated with the Ethernet interface is the same as the industrial Ethernet protocol supported by the Ethernet interface.

The invention provides signal detection equipment, system and method. The equipment comprises a clock module, an input module, a detection module and an output module, the input module comprises at least two analog-to-digital converters; the clock module is used for sequentially providing clock signals for the analog-to-digital converters of the input module according to corresponding phases; the input module is used for controlling each analog-to-digital converter to sample the current to-be-detected signal under the triggering of the corresponding clock signal, and performing analog-to-digital conversion to obtain a corresponding digital signal; combining the obtained digital signals according to a sampling time sequence to obtain a first digital signal; the detection module is used for carrying out detection processing on the first digital signal to obtain a second digital signal; and the output module is used for detecting the second digital signal in real time, and outputting the second digital signal if the second digital signal is detected to meet a preset jitter judgment condition. And detecting the signal in a complex noise environment to obtain a target signal.

The invention discloses an efficient short-wave and radio-frequency broadband converged communication digital signal processing system, belongs to the technical field of communication, and aims to solve the problem that defects exist when existing short-wave and radio-frequency broadband are used independently and in a converged mode. The frequency and bandwidth resource combination optimization system adopts a genetic algorithm to optimize frequency and bandwidth resource combination, and comprises a parameter setting module, a signal monitoring and data collection module, a fitness evaluation module, a genetic algorithm operation module, a termination judgment module and a signal processing and communication module. The method can better adapt to ionosphere changes, reduce signal fading and interruption, effectively cope with external interference and reduce the bit error rate through monitoring signal characteristics and reasonably allocating resources, carries out frequency and bandwidth resource combination optimization by comprehensively considering various factors by applying a genetic algorithm, avoids the problems of short-wave frequency band congestion and insufficient utilization of radio frequency broadband bandwidth, and improves the utilization rate of the radio frequency bandwidth. The fusion of two communication resources is realized, and the overall efficiency of the system is improved.

The invention provides an underwater acoustic communication fast time-varying Doppler estimation and compensation method and system, and the method comprises the steps: a transmitting end of underwater acoustic communication transmits an OFDM signal frame, and each OFDM symbol in the OFDM signal frame is preset with subcarrier bit information fixed for Doppler estimation as detection information; a receiving end receives an OFDM signal frame, Doppler estimation bit information preset in each OFDM symbol is utilized, Doppler frequency offset meeting the optimal significance of error bit information is searched within a certain range according to a set frequency offset interval, and then estimation and compensation are carried out; taking the optimal bit error information of the current OFDM symbol as a search index, and taking the corresponding Doppler frequency offset as a current Doppler frequency offset value; and gradually executing the operation on each OFDM symbol until the estimation compensation process is completed. According to the method, after Doppler estimation is corrected, the bit error rate of underwater acoustic OFDM communication is remarkably reduced, and the system performance is greatly improved.

The embodiments of the present application provide a method, apparatus and device for resource allocation, which are used to ensure that the user equipment can be allocated SRS resources, improve the accuracy of uplink and downlink channel measurement, thereby improving the performance of uplink and downlink transmission, for example, reducing the bit error rate of transmitted data and improving cell throughput. The method of the embodiment of the present application includes: an access network device sends first SRS resource allocation information to a first user equipment, the first SRS resource allocation information indicates a first SRS resource, wherein the period of the first SRS resource is a first period, and then the access network device sends second SRS resource allocation information to the first user equipment, the second SRS resource allocation information indicates a second SRS resource, the period of the second SRS resource is a second period, the second period is shorter than the first period, or the second SRS resource is a non-periodic SRS resource, wherein the first user equipment is a large packet user equipment.

The invention discloses a noise suppression circuit and image acquisition equipment, the noise suppression circuit comprises a power supply noise sampling circuit, a noise conversion circuit and a noise elimination circuit, the power supply noise sampling circuit is connected with an interface and a power supply circuit, and is used for extracting electric power from the interface and providing the electric power for the power supply circuit, sampling current of the power supply circuit and eliminating noise; obtaining a current interference signal; the noise conversion circuit is connected with the power supply noise sampling circuit and is used for converting the current interference signal into a voltage interference signal; the noise elimination circuit is connected with the interface and the noise conversion circuit, and is used for carrying out noise reduction processing on the uplink signal received by the interface based on the voltage interference signal. Through the above mode, the problem that the current fluctuation signal and the low-frequency uplink signal cannot be eliminated when the frequency bands are overlapped can be solved, so that the probability of error codes in uplink data demodulation is reduced, and the communication reliability and the communication efficiency are improved.

The invention relates to a communication interference technology, in particular to an anti-interference method based on a double-frequency-point communication mode, which is used for solving the problems of difficulty in interference source judgment, lack of interference source characteristic judgment and positioning and insufficient anti-interference means in a traditional communication system. According to the method, through comprehensive judgment in three aspects of monitoring of related indexes of double-frequency-point communication receiving signal power, frequency stability and bit error rate, whether the receiving signal power fluctuation is caused by equipment faults or external interference is effectively distinguished, the problem source can be more accurately positioned, and by constructing a receiving point at a specific position, the problem can be accurately positioned. The method comprises the following steps: estimating the position of an interference source by using signal receiving time and intensity, adjusting the frequency of a normal signal to a proper position for a periodic interference signal according to the fundamental frequency and integral multiple frequency characteristics of the periodic interference signal, and iteratively updating a filter coefficient according to the error between an input signal and an expected signal by presetting a filter parameter for a non-periodic interference signal. And the filter continuously adapts to an interference environment, so that an input signal is close to an expected signal.

The invention relates to the technical field of data processing, and provides a natural language processing method and device, electronic equipment and a readable storage medium. The method comprises the steps that to-be-processed data and a preset prompt are input into a trained natural language processing model for splicing processing, and extended data corresponding to the to-be-processed data are obtained; processing the extended data corresponding to the to-be-processed data through the large language model to obtain generated data corresponding to the to-be-processed data; performing splicing processing on the to-be-processed data and the corresponding generated data to obtain to-be-processed spliced data; performing retrieval processing on the to-be-processed spliced data to obtain retrieval result data corresponding to the to-be-processed spliced data; determining embedded data corresponding to the to-be-processed spliced data according to the to-be-processed spliced data and the retrieval result data corresponding to the to-be-processed spliced data; and processing the embedded data corresponding to the to-be-processed spliced data and the to-be-processed data through the large language model to obtain target data corresponding to the to-be-processed data.

The invention discloses a polarization code construction method and device for a serial cancellation list decoder. The method comprises the following steps: calculating a serial cancellation list decoding algorithm performance lower bound; and determining a polarization code information bit set according to the performance lower bound of the serial offset list decoding algorithm. According to the polarization code construction method and device for the serial offset list decoder disclosed by the invention, the polarization code can be constructed by utilizing the polarization code serial offset list decoding lower bound, the error performance of the polarization code is improved, the error rate is reduced, and the communication requirements of high reliability and high spectral efficiency are met. The method is simple and convenient to operate, is particularly suitable for being applied to an actual communication system, and has a very good practical prospect.

The invention discloses a vortex transmitting device for quickly constructing a focused vortex acoustic beam, which comprises an excitation signal circuit, a circular transducer, a lower discrete acoustic lens and an upper discrete acoustic lens, through the design of the lenses, any order vortex acoustic beam with topological charge of-3 to + 3 can be expected to be generated in an underwater acoustic communication system; the flexibility and adaptability of communication are improved. The invention provides an innovative solution for the development of an underwater acoustic communication technology, has important technical significance and application potential, not only obviously enhances the stability and anti-interference capability of the signal, but also ensures that the signal keeps high integrity during long-distance transmission in a complex underwater environment.

The invention discloses a flexibly configured time delay Doppler domain OTFS index modulation method, system and program product. The system comprises a transmitting end and a receiving end, wherein the transmitting end comprises an IQ mapping module capable of dynamically configuring grid activation ratio and modulation order. At a transmitting end, binary sequences of in-phase components and quadrature components are mapped respectively, the in-phase components and the quadrature components of sub-blocks are constructed, and sub-block level dynamic grid activation ratio and modulation order configuration are obtained. At a receiving end, an improved message passing detection algorithm is adopted to obtain an activated time delay Doppler domain grid position and a modulation symbol. According to the invention, through dynamic subcarrier activation and modulation order configuration, changing channel conditions and transmission requirements can be adapted; an information bit sequence is reasonably mapped into sub-blocks of in-phase and orthogonal components, so that effective information transmission under different configurations is ensured, and meanwhile, relatively low mapping complexity is maintained; the detection complexity is reduced by an improved messaging detector while maintaining good BER performance.

The invention discloses an optical communication method using orbital angular momentum multiplexing coding and based on transfer learning decoding, and relates to the technical field of optical communication, and the method comprises the steps: converting a binary bit stream corresponding to a to-be-transmitted image into a plurality of code element symbols according to a preset coding scheme; the preset coding scheme comprises a one-to-one correspondence relationship between each code element symbol and each multiplexed light beam in the light beam set; the light beam set comprises orbital angular momentum multiplexing light beams formed by superposition of orders and weights of different orbital angular momentums; obtaining a multiplexed light beam according to the spiral phase diagram; carrying out coaxial interference on the multiplexed light beam and the Gaussian plane wave to obtain an interference light beam; the interference light beam is interfered by the atmosphere to obtain an interfered interference light beam; inputting the intensity diagram of the interfered interference beam into the trained transfer learning network to obtain an orbital angular momentum spectrum; and recovering the to-be-transmitted image according to the orbital angular momentum spectrum and the preset coding scheme. According to the invention, the coding capacity and efficiency can be improved, the bit error rate is reduced, and reliable transmission is realized.

The invention discloses a non-orthogonal multiple access system transmission method based on dual-frequency index modulation. According to the method, firstly, M-QAM modulation and dual-frequency index modulation of a specific system are respectively carried out on an input multi-user bit stream signal at a signal processing end of a base station, then OFDM-DFIM (Orthogonal Frequency Division Multiplexing-Distributed Frequency Index Modulation) modulation signals are generated by utilizing an orthogonal frequency division multiplexing technology, finally, channel conditions of all users are compared, power is allocated to all the users, and the signals are transferred to a time domain to be sent after superposition. Therefore, same-frequency simultaneous superposition transmission of signals of multiple users in a power domain is realized. And at a signal receiving end, performing signal separation by using a serial interference cancellation technology, and sequentially demodulating and restoring bit stream signals of each user through maximum likelihood estimation. According to the method, the spectrum efficiency is improved and the bit error rate is reduced by improving the proportion of the index information in all information, so that the system performance is further improved.

The invention discloses a DPD feedback signal gain compensation method and device, a medium and a product, and relates to the technical field of communication. The method comprises the following steps: after an original signal is amplified to form an amplified signal, carrying out sampling and analog-to-digital conversion processing on the amplified signal to obtain IQ sampling signals; carrying out normalization processing on the IQ two-path sampling signals to obtain a feedback signal in a complex signal form; under the condition that first power is determined according to the root-mean-square of the original signal, second power is determined according to the root-mean-square of the feedback signal; determining an amplitude difference between the feedback signal and the original signal based on the first power and the second power; performing amplitude alignment adjustment on the feedback signal according to the amplitude difference and the amplitude of the original signal; and based on the time delay of the original signal, carrying out time delay alignment adjustment on the amplitude alignment signal. According to the invention, the nonlinear effect of the power amplifier is effectively controlled and compensated, the signal-to-noise ratio of signals is improved, the bit error rate is reduced, and the condition of signal distortion is reduced.

The invention provides an index-based OTFS modulation method, a modulation system and a communication system. The method comprises the following steps: segmenting an input bit stream into a plurality of bit groups through a bit stream segmentation module; each bit group comprises index bits and symbol bits; performing index modulation on the plurality of bit groups to obtain a signal after index modulation; the signal after index modulation comprises index information for selecting an activation subcarrier through an index bit and a constellation symbol modulated on the activation subcarrier through a symbol bit; and carrying out ISFFT conversion and Hisenberg conversion on the signal after index modulation in the time delay-Doppler domain to obtain a time domain signal. According to the method, index and OTFS modulation are combined, so that system transmission in a high-speed moving scene has stability, the error rate and the complexity of a receiving end are reduced, the anti-interference capability is improved, and the method can be suitable for more complex application scenes.

According to the navigation and communication signal integration method provided by the invention, aiming at a conduction integration signal system application scene, the positioning precision and the anti-multipath capability are selected as evaluation indexes, and the navigation and communication integration signal precision and performance are analyzed and evaluated based on the performance theoretical limit. By combining the characteristics of a communication signal and a navigation signal, taking compatibility of the communication signal and the navigation signal as a starting point and adopting a burst multicarrier modulation mode, a navigation signal, namely a burst multicarrier signal (BCC signal) which can be broadcasted in a time slot of a communication channel and is compatible with multiple communication systems is constructed. Mi subcarriers are modulated on a single frequency point of a signal source i, the frequency interval between the subcarriers is fixed, the signal duration is adjustable, the subcarriers have burst characteristics, each subcarrier is modulated with the same pseudo code, meanwhile, the signal power of each subcarrier can be adjusted according to needs, and finally, the signals of the Mi subcarriers are combined together and transmitted out. Different pseudo codes are used for representing different signal sources.

The invention discloses a transmission scheme design and performance optimization method of a symbiotic radio system based on an intelligent reflection surface. In the scheme, the intelligent reflection surface assists the multi-antenna base station to communicate with a main user, and meanwhile, the intelligent reflection surface serves as a backscattering device to generate a secondary signal and transmit information to a secondary user. The intelligent reflection surface controls the on-off of the reflection unit in an on-off keying mode, modulation and scattering of base station reflection signals are achieved, and a secondary user carries out secondary symbol detection through an energy detection method. On the premise of ensuring the transmission rate of main user transmission, joint optimization is performed on a base station beam forming vector and a phase shift matrix of an intelligent reflection surface so as to minimize the error probability of scattering transmission. An original optimization problem is a non-convex problem and is converted and solved by adopting a positive semidefinite relaxation method, an alternating iterative optimization method and other methods. Compared with a conventional symbiotic radio transmission scheme, the scheme provided by the invention has a higher primary transmission rate and a lower secondary transmission bit error rate.

The invention discloses a maximum multipath time delay calculation method based on propagation path length in an offshore sight distance range. The method comprises the following steps: when an electric wave for communication between a first ship and a second ship is propagated through a direct path, obtaining the length of the direct path for propagation of the electric wave within a seaborne sight distance range based on the height of a transmitting antenna, the height of a receiving antenna and the distance between the first ship and the second ship. The method solves the problems that in an existing marine sight distance communication scene, due to the fact that signals of a transmitting end reach a receiving end through a direct path and multiple reflection paths, the lengths of all the paths are different, the time for the signals to reach the receiving end is different, multi-path time delay is generated, large multi-path time delay will cause inter-symbol interference, and the communication performance is poor. The signal quality of a receiving end is reduced, the bit error rate is increased, and the system performance is further reduced.

The invention discloses a 4D tensor-based RIS-assisted millimeter wave MIMO-NOMA Internet of Vehicles system channel estimation method, and aims to reduce the influence of serious Doppler frequency shift and sight line path blockage on communication performance, first, a 5G subframe division scheme without changing a standard 5G frame structure is proposed by introducing concepts of aggregation time slot and half time slot, and a 5G subframe division scheme without changing a standard 5G frame structure is provided; modeling of the received signal is facilitated; then, modeling the received signal into a four-order tensor so as to separate channel parameters into four factor matrixes, thereby avoiding parameter coupling; then, the tensor is decomposed in a closed-form solution form; then, carrying out one-dimensional search on a factor matrix obtained by decomposition to extract channel parameters; after channel parameters are obtained, a least square problem is constructed to obtain channel path gains, and solving of a scaling matrix is avoided; finally, experiments verify that the method can accurately estimate the parameters of the channel, and excellent demodulation performance can be realized based on the parameters of the channel.

The invention discloses a channel compensation method and device, electronic equipment and a storage medium, and relates to the technical field of signal processing. The method comprises the following steps: acquiring a receiving end pilot signal and a transmitting end pilot signal; performing signal estimation on the receiving end pilot signal and the transmitting end pilot signal by adopting an initial channel estimation algorithm to obtain an initial channel compensation matrix; based on a pre-trained channel compensation matrix updating model, correcting the initial channel compensation matrix to obtain a target channel compensation matrix; and adopting the target signal compensation matrix to perform channel compensation on the receiving end pilot signal to obtain an original pilot signal. According to the technical scheme of the embodiment of the invention, the deployment cost of a physical layer can be reduced, the expandability of signal estimation is improved, the calculation overhead is reduced, the signal compensation precision is improved, the bit error rate of a receiving end is remarkably reduced, the communication rate is improved, and the stability requirements of a current communication system on high rate, low time delay and high reliability can be met.