75results about How to "Improve communication quality" patented technology

This application provides a signal receiving method, a transmitting method, a terminal, a system, and a storage medium, relating to, but not limited to, the field of optical communication technology. The receiving terminal removes a unique header from the time-domain signal data according to a first preset length. The time-domain signal data is obtained by transmitting the original signal data from the transmitting terminal through a transmission channel and is a linear convolution of the original signal data and the channel impulse response of the transmission channel. The original signal data includes a data group composed of a unique header of the first preset length and symbol data of the second preset length. Multiple intermediate time-domain data blocks are constructed from the time-domain signal data after removing the unique header, based on the length of the data group, so that each intermediate time-domain data block corresponds to a circular convolution of a data group and the channel impulse response. Frequency domain equalization is performed on the intermediate time-domain data blocks to obtain first equalized time-domain signal data. The embodiments of this application can improve the communication quality of the optical communication system while maintaining transmission capacity.

The application provides a target positioning method based on multi-station long-time passive angle measurement, which is applied to an information collection node and comprises the following steps: obtaining angle information of a target collected by a passive sensor in a preset time period, and a sampling position and a sampling time of the passive sensor; estimating a first sampling position and a first motion speed corresponding to the passive sensor at a first time according to the sampling position and the sampling time of the passive sensor; estimating first angle information of the target corresponding to the passive sensor at the first time according to the angle information of the target collected by the passive sensor and the sampling time; and sending the first sampling position, the first motion speed and the first angle information corresponding to the passive sensor to an information fusion center, so that the information fusion center estimates the position and the speed of the target at the first time according to the first sampling position, the first motion speed and the first angle information corresponding to the passive sensor, and the communication amount can be reduced and the positioning precision can be improved.

This invention relates to the field of wireless communication technology, specifically to a method for designing an intelligent transceiver. The method includes steps such as intelligent transceiver model construction, acquisition of training and test sets, training and testing, and obtaining the intelligent transceiver. It utilizes an attention-based residual-assisted generative adversarial network (AAR-GAN) model and a residual autoencoder (RCNN) model, which respectively possess coding / modulation, channel, demodulation, and decoding functions. Compared to CNN-CGAN, these two neural networks not only improve the quality of generated channel effects but also comprehensively enhance BER performance and strengthen the stability of the network models.

This invention relates to the field of intelligent management technology, and more particularly to a smart power management system for communication base stations. The system includes a data acquisition module, a data processing module, a fluctuation analysis module, a power supply analysis module, and a power management module. By determining the shading coefficient, stain attenuation coefficient, and temperature influence coefficient, it calculates power fluctuation characterization values, identifies abnormal power generation tendencies, and for power supplies without abnormal power generation tendencies, calculates power supply characteristic values ​​based on cloud cover coefficient, temperature coupling coefficient, and power fluctuation characterization values ​​to classify power supply stability levels. For weakly stable power supply levels, it locates key abnormal factors and adjusts power generation parameters. This invention analyzes the power supply status within communication base stations by comprehensively analyzing static and dynamic influencing factors, and determines adjustment parameters to improve power generation stability and communication quality.

The invention relates to the technical field of communication, and particularly provides a multi-base-station cooperative sensing networking planning method and device, a medium and a product. The multi-base-station cooperative sensing networking planning method comprises the following steps: constructing a multi-base-station sensing model in a multi-base-station cooperative sensing scene; the multi-base-station sensing model is used for describing the whole process that the signal is transmitted from each base station, reflected by the unmanned aerial vehicle and received by the base station; based on a multi-base-station sensing model, determining a mapping relation between the station spacing and the sensing performance index; and solving the perception performance boundary based on the mapping relation, and determining the target station spacing based on the perception performance boundary. According to the method, the problem of mutual interference between the base stations is solved through model construction, performance analysis and station spacing optimization, and the mutual interference between the base stations can be minimized while network coverage and performance are ensured, so that the sensing performance and communication quality of the whole network are improved.

The utility model discloses an antenna, it includes: metal base plate, first slit, it is set up on metal base plate, and two opposite boundaries of first slit respectively are provided with first feed point and second feed point, and first feed point and second feed point constitute feed port, second slit, it is set up on metal base plate, and with first slit intercommunication, first slit is used at least for producing support first frequency band's first resonant mode, and second slit is used at least for producing support second frequency band's second resonant mode, first frequency band is higher than second frequency band, and / or, first frequency band is ultra wide band frequency band. Accordingly, the utility model discloses an antenna assembly, it includes: dielectric substrate and at least one utility model above-mentioned antenna, and each antenna is located on dielectric substrate. Meanwhile, the utility model discloses a vehicle, it includes the antenna assembly of utility model above-mentioned, and dielectric substrate is glass base plate.

The invention aims to provide the communication line enhanced driving circuit, the circuit is simple, the cost is low, strong and constant driving current is provided, signal attenuation in long-distance communication can be effectively compensated, flexible switching of peripherals is supported, and the communication line driving capability is improved. The circuit comprises a dual-channel PNP-type triode, the dual-channel PNP-type triode comprises a first triode and a second triode, an emitter of the first triode and an emitter of the second triode are jointly connected to a VCC, a base of the first triode is connected with a collector of the first triode and is grounded through a resistor, and a base of the second triode is connected with a collector of the second triode. The base electrode of the second triode is connected with the base electrode of the first triode, and the collector electrode of the second triode serves as output to be connected with a load. The invention is applied to the technical field of communication systems.

This invention provides a wireless communication link selection method and a half-duplex communication system for selecting multiple physical wireless communication links between a transmitter and a receiver in a half-duplex communication system. Both the transmitter and receiver are equipped with switching switches and antennas. The method includes: the transmitter and receiver synchronously and sequentially switching their respective antennas into working states according to their pre-stored switching switch timing sequences; when any transmitter antenna and any receiver antenna are simultaneously in working states, a wireless communication link is formed, and each wireless communication link is traversed at least once; during the transmission period of any wireless communication link, the receiver transmits unidirectional heartbeat packets or time-division bidirectional heartbeat packets with the transmitter through the current wireless communication link; the transmitter and / or receiver that receives the heartbeat packet selects the optimal wireless communication link from the multiple wireless communication links based on the signal strength and packet error rate during the heartbeat packet transmission process.

The application discloses a multi-channel VLC system based on a CMOS process, comprising a transmitting module and a receiving module; the transmitting module comprises a vertical polarization transmitting submodule and a horizontal polarization transmitting submodule; the receiving module comprises a vertical polarization receiving submodule and a horizontal polarization receiving submodule; the vertical polarization transmitting submodule emits three routes of non-polarized light emitted by a first RGB-LED after vertical polarization dispersion, parallel conversion and emission, and the vertical polarization receiving submodule forms three routes of analog electric signals after filtering of the received multicolor visible light signals by a metasurface; the horizontal polarization transmitting submodule emits three routes of non-polarized light emitted by a second RGB-LED after horizontal polarization dispersion, parallel conversion and emission, and the horizontal polarization receiving submodule converts the received multicolor visible light signals into three routes of analog electric signals after filtering by a metasurface; and six routes of analog electric signals are converted into one route of digital electric signal output. The application can realize clear and complete multi-channel high-speed communication.

This invention relates to a dynamic communication adaptation system and implementation method for virtual network terminals, belonging to the technical field of communication adaptation. The system includes: analyzing the network performance needs of a user group and constructing a network demand matrix for the user group; based on data analysis from a network measurement platform, real-time monitoring of network conditions and device operating status to obtain the network resource allocation status of the user group's communication device software and generate a network behavior profile of the user group; combining the network demand matrix and the network behavior profile of the user group to dynamically adjust and optimize the network resource allocation strategy of the virtual network terminal; and based on the optimized network resource allocation strategy of the virtual network terminal, constructing a dynamic communication adaptation model for the virtual network terminal to achieve communication quality optimization and adaptation of the virtual network in various network environments. The beneficial effects of this invention are: improved system adaptability and reliability under high load conditions, and significantly improved user experience and communication efficiency.

The present disclosure provides a user equipment and a method thereof, a base station and a method thereof. The method performed by the user equipment includes: receiving system information or a radio resource control (RRC) message from a base station; and in a case where the system information contains indication information indicating that a UE with multiple USIM cards is supported to access, or the RRC message contains indication information reporting time information of leaving a current network, reporting the time information of leaving the current network to the base station. Thus, the reliability of communication related to the UE with multiple USIM cards can be ensured, thereby improving the communication efficiency and the communication quality of the wireless communication system.

The application discloses a data centralizing device and a data transmission system, and belongs to the field of data centralizing devices. The data centralizing device comprises a switch unit, a first wireless internet-of-things unit, a second wireless internet-of-things unit and a central control unit; the first wireless internet-of-things unit and the second wireless internet-of-things unit are electrically connected with the central control unit, the switch unit can be electrically connected with the central control unit, the first wireless internet-of-things unit executes a first protocol, the first wireless internet-of-things unit is connected with an internet-of-things terminal through the first protocol, the second wireless internet-of-things unit executes a second protocol, the second wireless internet-of-things unit is connected with a communication base station through the second protocol, a first end of the switch unit is used for accessing electric energy, and a second end of the switch unit is used for connecting an electric device; wherein the wireless connection range of the first wireless internet-of-things unit is smaller than the wireless connection range of the second wireless internet-of-things unit.

The utility model discloses an intelligent wireless gas automatic fire extinguishing alarm host which comprises a metal plate shell, an air circuit breaker, a power filter and a data concentrator are installed in the metal plate shell through track strips, a liquid crystal touch screen is installed at the outer end of the metal plate shell, and an alarm indicator lamp is installed at the bottom of the metal plate shell. A hole ring is arranged at the inner bottom of the metal plate shell, and an air pressure control structure for controlling the expansion state of the rubber ring is arranged in the metal plate shell. According to the utility model, the communication address of the equipment can be randomly and independently modified, a batch debugging tool is not needed, the 485 communication quality of the host can be improved, the problem of 485 communication abnormity can be solved, secondly, after a line passes through the hole ring and is led out, the expansion of the rubber ring is controlled through the air pressure control structure, so that the expanded rubber ring seals the gap between the line and the hole ring, and the communication efficiency is improved. According to the design, dust, foreign matters, moisture and water can be effectively prevented from entering the equipment through the wiring hole, and the protection performance of the equipment is improved.

The invention relates to the technical field of communication, in particular to a network searching method and device, terminal equipment and a computer program product, which are applied to the terminal equipment and comprise the following steps: acquiring working frequency bands corresponding to a first SIM card and a second SIM card; searching a communication cell corresponding to the working frequency band through a first network injection mode corresponding to a first communication mode and carrying out network access registration, wherein the first communication mode is a mode supporting the first SIM card and the second SIM card to carry out signal receiving and transmitting at the same time; if the network access registration is failed through the first network injection mode, searching a communication cell corresponding to the working frequency band through a second network injection mode corresponding to a second communication mode and carrying out network access registration, the second communication mode being a mode supporting one SIM card to carry out signal receiving and transmitting at the same time; the second network injection mode is more than the first network injection mode in radio frequency resource for signal receiving and transmitting. By implementing the embodiment of the invention, network access registration can be carried out through a network injection mode with more radio frequency resources under the condition that network access registration fails, and the probability of successfully accessing a cell is improved.

The utility model provides an automatic antenna selection circuit based on a TDD communication system and TDD communication equipment. The automatic antenna selection circuit comprises a radio frequency switch, a plurality of coupling detection circuits and a plurality of comparison circuits, a first port of the first coupling detection circuit is connected with a TDD information source, a second port is connected with the input end of the radio frequency switch, and a third port is connected with the first comparison circuit; the first port of the second coupling detection circuit is connected with the first output end of the radio frequency switch, the second port is connected with the first antenna, and the third port is connected with the second comparison circuit; the first port of the third coupling detection circuit is connected with the second output end of the radio frequency switch, the second port is connected with the second antenna, and the third port is connected with the second comparison circuit; the first comparison circuit outputs an enable signal to an enable end of the second comparison circuit according to a comparison result of the first detection signal and the reference signal; the second comparison circuit outputs a control signal to the radio frequency switch according to a comparison result of the second detection signal and the third detection signal.

The application provides a light-transmitting panel, a sunroof and a vehicle. The light-transmitting panel comprises a light-adjusting module and an antenna module. The light-adjusting module comprises a liquid crystal layer and two oppositely arranged light-adjusting structure layers. The liquid crystal layer is located between the two light-adjusting structure layers. The light-adjusting structure layer comprises a substrate and an electrode layer arranged in a stack. The electrode layer is arranged on the side of the substrate close to the liquid crystal layer. The antenna module is arranged on at least one of the two light-adjusting structure layers. The antenna module comprises a wire main body and an opening formed by the wire main body. According to the application, the functional integration and utilization of the light-transmitting panel can be effectively improved.

This disclosure provides an antenna testing system and method, relating to the field of antenna technology. The testing system includes a voltage loading device, the output of which is connected to the input of a phased array antenna; a field testing system for testing the antenna parameters of the phased array antenna; and a computer device, the output of which is connected to the voltage loading device, and the input of which is connected to the field testing system. In real-time mode, this disclosure allows for the pre-testing of the target loading voltage corresponding to the phased array antenna when its performance most closely approximates the reference antenna parameters during beam radiation. Since the tested target loading voltage is obtained through actual testing using the field testing system, the accuracy of the tested target loading voltage is guaranteed, thus ensuring the antenna performance of the phased array antenna in subsequent use.

The invention provides electronic equipment and an antenna control method thereof, and relates to the field of communication, antennas are arranged on a frame and a rear cover, and antenna switching can be formed in a scene of switching a horizontal screen state and a vertical screen state, so that sufficient antennas can meet communication requirements in multiple scenes, and the communication quality of the electronic equipment in different use scenes is improved.

The application provides an FPGA-based I3C master-slave device communication system, a user end of which comprises: a user end interface comprising an input data channel and an output data channel; a register module in communication connection with the user end interface, for writing input data into an internal register of the register module according to a data bit of the input data channel in response to an input command of the input data channel; for extracting output data from the internal register and transmitting the output data to the output data channel in response to an output command of the output data channel; and a state machine module comprising a plurality of state machines, for changing a current state of the state machines in response to a change in data in the register module, and for coordinating read and write operations of the internal register.The application realizes a complex I3C protocol through a simplified user end interface and a state machine and a register, optimizes the convenience of read and write operations of I3C master-slave devices, improves communication efficiency and quality, and improves user experience.

The utility model discloses a kind of communication base station antenna angle adjusting devices, belong to communication base station technical field.This kind of communication base station antenna angle adjusting device, including base, the top of base is equipped with first angle adjusting mechanism, the output end of first angle adjusting mechanism is equipped with stand, the outside of stand is equipped with connecting sleeve, one side of connecting sleeve is equipped with cross bar, one end of cross bar is equipped with second angle adjusting mechanism, the output end of second angle adjusting mechanism is equipped with connecting rod, one end of connecting rod is equipped with antenna mounting plate, first angle adjusting mechanism includes first machine case, the bottom of first machine case and the top of base are fixedly connected, the top of first machine case is equipped with first turntable, the top of first turntable and the bottom of stand are fixedly connected, the inside bottom of first machine case is rotatably connected with first rotating shaft, the utility model can effectively realize two-way angle adjusting function, improve angle adjusting range, with higher practical value.

The application discloses a communication method, device, terminal, network side equipment, medium and computer program product, and belongs to the technical field of communication. The communication method of the application embodiment comprises the following steps: a terminal acquires deployment information of at least one first cell, the at least one first cell comprises at least one of the following: a service cell of the terminal, a neighboring cell of the service cell, and a conditional handover candidate cell; the terminal performs a first operation based on the deployment information; wherein the first operation comprises at least one of the following: sending first information, the first information is used for indicating a cell expected to be handed over; selecting a second cell; and handing over to the second cell, the second cell being a cell in the at least one first cell.

The present disclosure relates to an antenna control method and device, a terminal device, a storage medium and a product. The method comprises: determining a first signal index of a satellite signal received based on a first antenna in a case of communication between the first antenna and a satellite device; determining a second signal index of a satellite signal received based on a second antenna, wherein the signal index is used to indicate the signal quality of the received satellite signal, and the radiation direction of the second antenna is at least partially different from the radiation direction of the first antenna; and in response to the second signal index being greater than the first signal index, performing communication between the second antenna and the satellite device. Through the method of the present disclosure, the communication quality of the terminal device and the satellite device can be improved.

The application discloses a data transmission method and device, electronic equipment and storage medium, wherein the method comprises: determining the network identification of an access node according to a preset network scale; determining the frequency domain resource range of the access node according to the value of the network identification, wherein the frequency domain resource range at least comprises a first part of frequency domain resources and a second part of frequency domain resources; and controlling the access node to select resources to send data according to the frequency domain resource range. The embodiment of the application divides the frequency domain used by the access node into the first part of frequency domain resources or the second part of frequency domain resources by configuring the access node identification, reduces the interference between adjacent nodes when sending data, improves the data communication quality, enhances the utilization rate of the time domain resources, and reduces the waiting time length of data transmission.

The application belongs to the technical field of wireless communication and signal processing, and discloses a quantum heuristic joint optimization method suitable for a flow state antenna ISAC system, which comprises the following steps: 1, a MIMO-FAS model is constructed, and an equivalent downlink channel is given to realize unified expression of a communication link and a sensing link; 2, a weighted sum rate maximization problem P1, a minimum user SINR maximization problem P2 and a sensing signal-to-jamming noise ratio SCNR maximization problem P3 are constructed; 3, the weighted sum rate maximization problem P1 is solved; 4, the minimum user SINR maximization problem P2 is solved; 5, the sensing signal-to-jamming noise ratio SCNR maximization problem P3 is solved; and 6, a quantum heuristic simulation bifurcation method is adopted to perform port selection optimization to obtain a joint optimal port-beam configuration. The application realizes collaborative optimization of port configuration and beam design, effectively improves the communication rate and sensing accuracy of the system while guaranteeing the calculation efficiency and scalability.

The utility model belongs to noise detection technical field, specifically disclose an improved wind power noise test is with noise signal collection equipment, including sound level meter and wireless device, wireless device includes the equipment cabinet that lies on the ground, is equipped with antenna mast structure on the equipment cabinet, is equipped with antenna support on antenna mast structure, has fixed structure on antenna mast structure, fixed structure includes the eye -splicing, the eye -splicing is fixed on the ground through the wind rope of inclination setting and the ground peg of wind rope bottom end, and the ground peg is symmetrically set up in the periphery of equipment cabinet, antenna support includes the connecting seat that sets up in the top of antenna mast structure, the lateral rod that is symmetrically set up with both sides of connecting seat, the lateral rod end is connected with the antenna through detachable structure, the top clearance of connecting seat is equipped with LED lamp and photosensitive switch.

The present application relates to the field of unmanned aerial vehicle communication, in particular to a multi-unmanned aerial vehicle cooperative communication relay path planning method, the multi-unmanned aerial vehicle cooperative communication relay path planning method includes the establishment of the visibility model and the description and solution of the optimization problem, the relay unmanned aerial vehicle is introduced between the task unmanned aerial vehicle and the ground station, the communication relay link between the relay unmanned aerial vehicle and the task unmanned aerial vehicle and the ground station is constructed, and the communication transmission between the task unmanned aerial vehicle and the ground station is maintained; based on the minimum energy consumption criterion, a multi-step optimization model considering the visibility constraint and the unmanned aerial vehicle maneuverability is established, and the optimization problem is solved by a particle swarm optimization algorithm. The present application solves the problem of unmanned aerial vehicle communication interruption in complex mountainous environment, avoids the communication link interruption caused by the task unmanned aerial vehicle flying through the corner of the mountain in a short time, and ensures the smooth communication link in complex mountainous environment by applying the method to multi-unmanned aerial vehicle cooperative relay communication.

This application is a divisional application of 202180075025.6. This application discloses a state transition method, apparatus, device, and storage medium, relating to the field of mobile communications. The method includes: a relay terminal connected to an access network device, and the relay terminal connected to at least one communication terminal, the communication terminal connecting to the access network device via the relay terminal. The method includes: controlling at least one communication terminal to leave the connection state with the access network device; upon determining that all communication terminals connected to the access network device via the relay terminal have left the connection state with the access network device, sending a first control message to the relay terminal, the first control message indicating that the relay terminal has left the connection state with the access network device, preventing the relay terminal from remaining connected to the access network device and continuing to consume resources, thus saving the relay terminal's resource consumption and improving the communication quality of the relay terminal.

The invention discloses an information transmission method and device, a terminal and network side equipment, and belongs to the field of communication, and the information transmission method comprises the steps that the terminal obtains auxiliary information, the auxiliary information is associated with a target condition, and the target condition is related to R2D transmission and / or D2R transmission; and the terminal sends the auxiliary information to a network side device on a first resource.

The application provides a shortest path determination method, device, equipment and medium. The method comprises the following steps: generating a public key and a corresponding private key, and sending the public key to a cluster node; obtaining encrypted address information sent by the cluster node, and decrypting the encrypted address information according to the private key to obtain address information of the cluster node; determining address information of a user node, and determining an address information tree according to the address information of the user node and the cluster node, wherein a root node of the address information tree is the user node, and child nodes of the address information tree comprise byte information corresponding to the cluster node; determining user distance information between the user node and the cluster node according to the address information tree, and determining target cluster distance information sent by the cluster node, wherein the target cluster distance information is cluster distance information between the cluster node and a blockchain node; and determining target shortest distance information of the user node and the blockchain node according to the user distance information and the target cluster distance information. The information communication efficiency and resources are improved.

The application provides a low-orbit satellite NOMA-OTFS system power distribution joint signal detection method for user fairness, which encapsulates a signal detection process as a fitness function in power distribution optimization under a total transmission power constraint, realizes collaborative design of power distribution and signal detection through construction of a closed-loop optimization mechanism based on detection feedback, and solves the problems of mutual independence of power distribution and signal detection, difficulty in giving consideration to user fairness and system capacity, and high resource consumption of a detection process in the prior art. Through introduction of an optimization mechanism based on a detection result, power distribution can be directly adjusted according to actual detection performance, thereby effectively improving weak user communication quality, enhancing system fairness, reducing calculation complexity, and improving overall system transmission performance.