111results about How to "Guaranteed communication quality" patented technology

The invention relates to a signal interference optimization method and device. The method comprises the following steps: monitoring network parameters in a mobile communication network, and evaluating the interference level of each target frequency band in the mobile communication network according to the network parameters; generating a frequency allocation strategy according to the interference level, the frequency allocation strategy being used for dynamically matching the communication signal to the optimal frequency band; in addition, according to the interference level and the network parameters, a power adjustment strategy is generated, and the power adjustment strategy is used for dynamically adjusting the transmitting power of each base station in the mobile communication network so as to reduce signal interference. According to the application, the collateral dredging parameters are monitored in real time, and the optimal frequency band is dynamically matched for the communication signal according to the network parameters, so that the frequency band with serious interference is avoided, and the communication quality is ensured; meanwhile, according to the power adjustment strategy, the transmitting power of each base station can be dynamically adjusted based on a feedback mechanism, the signal interference is reduced while the communication requirement is met, the communication quality is further improved, and the increasing communication requirement of the user is met.

The invention provides a communication perception integrated beamforming method and system for suppressing distance-angle side lobes, and the method comprises the steps: enabling a base station to communicate with a plurality of users under a digital beamforming ISAC architecture, and carrying out the detection of an air target in a self-transmitting and self-receiving mode at the same time; determining a sensing channel model and a communication channel model to obtain a communication receiving signal at each user position and a sensing receiving signal scattered back to the base station from the target; calculating to obtain the SINR of each user; a distance-angle-Doppler three-dimensional perception fuzzy function based on a digital beam forming ISAC architecture is obtained; extracting an expression of an integral sidelobe of a distance-angle dimension; according to the communication index, the sensing index and the integral sidelobe value in the preset distance-angle sidelobe area, a beam forming matrix of the ISAC system is designed in a joint optimization mode; auxiliary variables are introduced to convert the problem of optimizing the beam forming matrix into the problem of optimizing a covariance matrix of the beam forming matrix, and a feasible solution of the joint design problem is obtained.

The invention relates to the technical field of Internet of Things communication, in particular to an energy-saving communication method and system for 5.5 G Internet of Things equipment, and the method comprises the steps: analyzing the time characteristics of historical data collected by the Internet of Things equipment, constructing and training a scheduling model, and adaptively controlling the data collection frequency of the equipment; training a communication strategy calculation model based on historical state information and communication data of the equipment, comprehensively considering communication time, frequency, data volume and power factors, and balancing communication performance and energy consumption by setting a reward function to obtain an optimal strategy; constructing a data cache region in the equipment, setting a data transmission interval and an uploading threshold value, and judging whether to upload data or not according to the time and the occupation condition; and after being encrypted and compressed, the collected data are uploaded to an edge node through a 5.5 G network. According to the method, the energy consumption of the Internet of Things equipment is effectively reduced, and the communication efficiency and the data security are improved.

The invention discloses a rate division multiple access communication network total rate optimization method and system, and belongs to the technical field of communication. The method comprises the following steps: constructing a downlink rate segmentation multiple access communication system model based on an intelligent reflecting surface; the communication system model comprises a base station, an intelligent reflecting surface and a user side; grouping users in the user side, and constructing a hierarchical rate segmentation multiple access model based on user grouping; the hierarchical rate segmentation multiple access model comprises a corresponding relation between the user group and information flow generated by the base station; and according to the hierarchical rate segmentation multiple access model and the intelligent reflecting surface, assisting downlink communication between the base station and the user side. According to the method and the device, the layered rate division multiple access model is constructed by grouping the users, and the system performance is improved by combining the intelligent reflecting surface passive beam forming and the rate division multiple access active beam forming, so that the problems of spectrum resource shortage and signal interference can be solved, and the spectrum efficiency is greatly improved.

The invention belongs to the technical field of wireless optical communication, and discloses a cross-domain relay type radio frequency-laser communication module and a communication method, and the cross-domain relay type radio frequency-laser communication module is provided with a node construction module, a relay module, a synchronous control module, a modulation-demodulation module and a situation awareness module. According to the invention, a large-scale MIMO technology, DMD structure light modulation and AWI signal modulation and demodulation technology are utilized to autonomously design a large-bandwidth and high-secrecy radio-light transmission conversion module; a high-precision synchronous control module is designed by using a GD32 chip, and low-delay and low-error-code relay type cross-domain information interconnection is ensured. Meanwhile, a high-sensitivity area array CCD detector is combined to sense the position of a light spot, an underwater speckle recognition alignment algorithm is developed based on YoLoV8, azimuth information is output to assist semi-active alignment, and then low-cost, low-time-delay, high-speed, long-distance and large-capacity all-weather cross-domain communication in complex water areas is achieved.

The invention discloses an unmanned aerial vehicle assisted power communication user association and spectrum allocation method and device, and the method comprises the steps: taking maximization of the throughput of a system as an optimization target, and building a joint optimization problem of base station user association, sub-channel allocation and power allocation in the system; considering user requirements, base station load, intra-layer interference and inter-layer interference, and establishing corresponding constraints for user rate, base station capacity, power and signal interference intensity; and solving a joint optimization problem under corresponding constraints, specifically, solving a user association and sub-channel allocation optimization problem by using a matching algorithm, and then solving a power allocation problem by using a Lagrange duality method. According to the method, the user communication rate can be effectively increased, the system capacity of the heterogeneous network is improved, and the whole heterogeneous network is optimized.

The invention relates to the technical field of communication beam control, in particular to a beam control algorithm for wireless communication, which comprises the following steps of: selecting an initial beam direction set through a preset beam mode library; constructing a channel state feature map through a deep learning model, and predicting a future channel change trend of the user; according to the future channel change trend of the channel state feature map, preliminarily adjusting the beam direction set to generate a plurality of candidate beam directions; the self-adaptive tuning module based on reinforcement learning adjusts the beam width, so that the beam is concentrated in the target user direction and covers a potential multi-path reflection path; and continuously updating the beam pattern library and the deep learning model. According to the invention, the beam direction can be dynamically adjusted, so that the effectiveness and stability of signal coverage are improved, and the communication quality in a complex propagation environment is ensured.

The invention relates to the technical field of 5G communication modules, in particular to a 5G communication module with a self-adaptive frequency spectrum and a use method of the 5G communication module. Comprising a spectrum sensing and identification module, a spectrum measurement and reconstruction module based on compressed sensing, a self-adaptive spectrum selection and dynamic spectrum allocation control module, a dynamic channel modeling and prediction module, a comprehensive optimization algorithm module and a feedback-assisted channel estimation control module. Wherein the spectrum sensing and recognition module adopts a deep learning algorithm to improve the precision and speed of spectrum sensing, and meets the requirements of 5G high data rate and low delay; the specific implementation mode comprises a convolutional neural network (CNN) structure, the convolutional neural network is adopted for spectrum sensing, and the spectrum state can be accurately and rapidly recognized in a complex dynamic environment; by training a large amount of spectrum data, the CNN can extract spectrum features and effectively distinguish target signals and interference signals, and the precision and speed of spectrum sensing are significantly improved.

The invention relates to the technical field of satellite communication, and discloses a communication method and system for a long-voyage ship based on L frequency band communication, and the method comprises the steps: recognizing the navigation environment and communication demands of the long-voyage ship, recognizing the satellite signals of the long-voyage ship and a communication end through recognizing the frequency band characteristics of a communication frequency band, and carrying out the communication of the long-voyage ship; a signal tracking network of satellite signals is set, signal parameters of the satellite signals are monitored in real time according to the signal tracking network, a quality feedback mechanism of the signal parameters is set, the current signal quality grade is identified, and the signal quality requirements of the long-voyage ship and the communication end are identified based on the current signal quality grade; the method comprises the following steps: setting a multi-beam switching mechanism pointing to beams and a signal locking network of satellite signals, setting a confidential path for transmitting data, and generating a communication result of a long-voyage ship and a communication end in combination with the multi-beam switching mechanism, the signal locking network and the confidential path; according to the invention, the stability and safety of signal transmission can be enhanced, and the communication quality of the long-voyage ship is improved.

The invention relates to the technical field of satellite communication, in particular to a Doppler frequency shift prediction capturing method and device for a low-orbit satellite by high-speed equipment, and the method comprises the steps: calculating Doppler frequency shift prediction values of the high-speed equipment and the low-orbit satellite; judging whether the Doppler frequency shift predicted value exceeds a Doppler frequency shift estimation range or not, and if so, correcting the received signal by using the Doppler frequency shift predicted value; performing decimal-integer Doppler frequency shift estimation and compensation on the corrected receiving signal; and synchronously demodulating the received signal according to the decimal-integer Doppler frequency shift estimation and compensation result. According to the scheme of the embodiment of the invention, the frequency shift capture range of the radio frequency signal is greatly reduced, and the consumption of system resources by frequency shift capture is reduced; the frequency shift capturing precision is improved, and the residual error after capturing and tracking is reduced; the rapidity of frequency shift capturing and tracking is improved, and the frequency shift capturing and tracking lock losing probability is reduced.

The invention provides a calibration network and an antenna system, and relates to the technical field of antenna communication, the calibration network comprises a power divider, and an oscillation circuit and a plurality of directional couplers which are connected with the power divider; the power divider comprises a first port and a plurality of second ports; the oscillating circuit is connected to the first port; the directional couplers are connected to the corresponding second ports; the oscillating circuit is connected with the antenna driver to protect the antenna driver; the directional coupler comprises a coupling part and a connecting port connected with the coupling part, and the connecting port is used for being connected with an antenna; wherein the coupling part of each directional coupler is provided with a short-circuit wire, one end of the short-circuit wire is connected with the coupling part, the other end of the short-circuit wire is grounded, and the short-circuit wire is used for protecting the circuit of the antenna. According to the calibration network and the antenna system provided by the invention, the antenna can be kept stable in extreme weather such as high-power radiation of a user in a peak period or thunderstorm, so that the communication quality of the antenna is ensured.

The invention discloses a bidirectional dynamic adjustment method and system for a networking interception stage of an emergency communication sidelink, and belongs to the field of transmission of a wireless communication system. The bidirectional dynamic adjustment method for the networking interception stage of the emergency communication sidelink comprises the following steps: dynamically adjusting a receiving gain threshold value of a receiving end after a node which is not accessed to a network is started; and when the receiving end dynamically adjusts the receiving gain threshold value, the sending power of the sending end is dynamically adjusted based on the MADDPG algorithm. For nodes which are not accessed to the network, the nodes can quickly adapt to the real-time change of a network topology structure by dynamically adjusting a receiving gain threshold value in a process of monitoring a control sub-frame; meanwhile, the network-accessed node dynamically adjusts the sending power according to the real-time change of the current active node so as to optimize the network performance.

The invention relates to the technical field of optical communication, in particular to a micromirror array detection device and method and an optical switch device. The micro-mirror array detection device is used for detecting the deflection angle of at least one micro-mirror in a micro-mirror array of the optical switch device, and comprises a laser scanning assembly which is used for emitting detection laser and adjusting the emitting direction and / or the emitting angle of the detection laser so as to detect the deflection angle of at least one micro-mirror in the micro-mirror array of the optical switch device. The detection laser can scan at least one micromirror in the micromirror array according to a preset sequence; and the light sensing assembly is used for receiving reflected laser reflected by the at least one micro-mirror after being scanned by the detection laser, and acquiring angle information of the at least one micro-mirror based on position information of an incidence point of the reflected laser on the light sensing assembly. According to the invention, the deflection angle of the micromirror in the micromirror array can be detected, so that corresponding operation can be carried out based on the deflection angle to ensure the communication quality of the optical switch device.

The invention provides a resource allocation method, a resource calling method and related equipment, and the method comprises the steps: determining the communication control cost of an adjacent time slot in response to determining that a receiving base station transmits a control signal to equipment; determining system throughput according to the communication control cost; optimizing the system state of the target time slot according to the system throughput, wherein the bandwidth of the target channel can allocate power; and carrying out resource allocation according to the bandwidth allocatable power.

The invention discloses a random access method and device and communication equipment, and belongs to the technical field of communication, and the random access method comprises the steps that backscatter communication BSC equipment sends first information to second equipment or first equipment; wherein the first information is used for random access of the second equipment.

The invention provides an adaptive modulation switching method for satellite-ground laser communication. The performance of a communication system is improved by using 16QAM (Quadrature Amplitude Modulation) and BPSK (Binary Phase Shift Keying) modulation adaptive switching; the method comprises the following steps: firstly, carrying out polarization code coding on an information sequence, scattering the sequence through an interleaver, and then modulating the sequence through a modulator and sending the modulated sequence to a satellite-ground laser communication channel. An atmospheric turbulence estimation module is introduced at a receiving end, estimated atmospheric channel state information is fed back to a sending end through an estimated value of satellite-ground laser communication atmospheric turbulence intensity, then a modulation mode of the sending end is switched according to a threshold value, and low-time-delay reliable transmission of satellite-ground communication laser communication is achieved.

The invention discloses a 5G network ultra-far coverage method, system and device for marine economy and a medium, and belongs to the technical field of wireless communication, and the method comprises the steps: building a geometric propagation relation based on the earth curvature according to the hanging height of an antenna and the height of a terminal device, and calculating a sight distance coverage distance through a geometric figure formed by a base station antenna, a terminal and the earth center; adaptively selecting a working frequency band according to the sight distance coverage distance and the service bandwidth requirement, determining an antenna gain requirement and a beam width requirement according to the wavelength characteristic of the working frequency band, and selecting an antenna; when a time division duplex system is adopted, the cyclic prefix length and the guard interval length are configured according to the propagation time delay so as to expand the coverage distance; and when the frequency of the working frequency band is relatively high, a multi-cell joint receiving and uplink channel quality enhancement technology is configured. According to the method, the sight distance coverage range is accurately calculated by establishing the geometric propagation model based on the earth curvature, and ultra-long-distance coverage of the sea area is realized through frequency band antenna collaborative optimization and frame structure parameter configuration.

The application discloses a satellite communication power dynamic adjustment method and system, which comprises the following steps: acquiring and analyzing signal monitoring data of satellite communication to determine key signal parameters affecting signal quality; analyzing data of the key signal parameters to determine data characteristics, and evaluating signal quality of the key signal parameters to obtain a signal quality evaluation value; calculating a communication quality evaluation value of the satellite based on the signal quality evaluation values of the key signal parameters; determining a communication quality requirement value of the satellite, and determining a communication quality difference value between the communication quality requirement value and the communication quality evaluation value; determining an adjustment coefficient of real-time communication power of the satellite based on the communication quality difference value, and dynamically adjusting the real-time communication power of the satellite. The application accurately quantifies satellite communication quality by analyzing satellite communication data, and dynamically adjusts satellite communication power by determining an adjustment coefficient through difference analysis, so that fine and progressive power control is realized.

The embodiment of the invention provides a method and device for sending a penetrating handshake packet, and the method comprises the steps that an equipment end receives a target connection establishment request from a platform server, and the target connection establishment request carries first smooth round-trip time between a client and first network address translation equipment and second smooth round-trip time between the client and the platform server; the device end receives a time delay acquisition response from the platform server, and the time delay acquisition response carries third smooth round-trip time between the platform server and the second network address translation device; and the device end determines a target moment for sending the penetrating handshake packet to the client according to the first smooth round-trip time, the second smooth round-trip time and the third smooth round-trip time, and sends the penetrating handshake packet to the client at the target moment. According to the method and the device, the problem of NAT penetration failure caused by time sequence difference when the connectivity detection message reaches the opposite-end outlet NAT in the related technology is solved.

The invention discloses a strain prediction method and system for an overhead power optical cable, terminal equipment and a storage medium, and the method comprises the steps: carrying out the future strain value prediction of a to-be-measured optical cable fiber core through a trained strain prediction model according to a real-time temperature value and a real-time strain value of the to-be-measured optical cable fiber core, and obtaining a predicted future strain value, and according to the predicted future strain value, the future strain value of the fiber core of the optical cable to be measured is predicted by constructing the strain prediction model, so that the strain condition of the fiber core of the optical cable to be measured is predicted in advance, and the normal operation and communication quality of the fiber core of the optical cable are guaranteed by taking maintenance measures in time. Therefore, the reliability, the stability and the service level of the network are improved, and the problem that the prior art can only monitor the current strain state of the optical cable fiber core, cannot predict the strain condition of the optical cable fiber core caused by temperature, and cannot perform early warning maintenance on the optical cable fiber core in time is solved.

The utility model provides a power supply installation structure applied to satellite communication, which comprises a communication case, a power supply installation cross beam arranged in the communication case, a power supply protection shell arranged on the power supply installation cross beam, a power supply installation support arranged in the power supply protection shell, a power supply installation shell arranged on the power supply installation support, and a power supply protection shell arranged on the power supply installation support. The power supply installation support comprises a U-shaped rotary supporting base, the U-shaped rotary supporting base is installed on the power supply protection shell through a rotary locking bolt, an overturning installation plate is arranged in the U-shaped rotary supporting base, one end of the overturning installation plate is installed in the U-shaped rotary supporting base through a rotary supporting shaft, and the other end of the overturning installation plate is installed in the U-shaped rotary supporting base through a rotary locking bolt. According to the utility model, the stable power supply of the communication equipment can be ensured, the communication quality can be ensured, the maintenance and repair can be carried out very conveniently, and the use is very convenient.

The utility model belongs to the field of communication antennas, and particularly relates to an integrated antenna board and an antenna. The plurality of first radiators are arranged at the edge of the substrate at intervals; the central radiating body is arranged in the center of the substrate, and all the first radiating bodies jointly surround the central radiating body; the central radiator is provided with a resistance channel, the resistance channel divides the central radiator into second radiators with the same number as the first radiators, and each second radiator is matched with one first radiator to form a pair; a resistor is arranged in the resistor channel, so that the second radiators are isolated from one another; in the application, effective isolation between the paired first radiator and second radiator of each group is realized, so that the first radiator and second radiator of each group can work independently without causing excessive interference to the radiators of other groups, and the communication quality is ensured.

The invention discloses an unmanned aerial vehicle water-air dual-medium adaptive communication optimization method and related equipment. The method comprises the following steps: acquiring unmanned aerial vehicle environment sensing information; determining the current communication medium state of the unmanned aerial vehicle according to the unmanned aerial vehicle environment sensing information; the communication medium state comprises an air state, an underwater state and a water-air interface crossing state; generating a target communication strategy according to the current communication medium state of the unmanned aerial vehicle, and controlling the unmanned aerial vehicle to execute the target communication strategy; the communication strategies comprise an air communication strategy, an underwater communication strategy and a water-air dual-medium communication strategy; and dynamically monitoring the communication link performance index of the unmanned aerial vehicle, and dynamically optimizing the target communication strategy in combination with the environment change information and the communication link performance index. The technical problem that the communication performance of the unmanned aerial vehicle on the water-air interface is sharply reduced can be effectively solved, smooth transition and high-reliability maintenance of the communication link in the double-medium environment are achieved, and the method can be widely applied to the technical field of unmanned aerial vehicle communication.

The invention relates to a production test method suitable for WIFI and Bluetooth equipment, and the method comprises the steps: configuring a hot spot of a router, and enabling a WIFI module and a test tool of tested equipment to be connected with the hot spot; the Bluetooth module and the test fixture of the tested equipment are triggered through the hot spot, automatically enter a Bluetooth Mesh network and establish an adaptive network; the tested equipment and the test fixture realize information synchronization in the Bluetooth Mesh network through point-to-point and many-to-many communication mechanisms; the WIFI module of the tested device sends a WIFI test command, and the Bluetooth module of the tested device sends a Bluetooth test command; and after the test is completed, determining a test result through a prompt signal, and ending the test process. The problems of limited device connection number, high operation complexity and the like in a traditional testing method are solved, and a flexible and efficient solution is provided for multi-device parallel testing in large-scale production.

The utility model discloses a portable Internet of Things gateway, which comprises a host, a plurality of networking interfaces arranged inside the front end of the host, an on-off key arranged on the right side of the plurality of networking interfaces, a power interface arranged on the right side of the on-off key, and a signal enhancement rod arranged at the left front corner of the upper end of the host. According to the utility model, a detachable signal enhancement rod structure is adopted, the signal enhancement rod can be combined into a whole or split into two independent units to be arranged according to the environment, and the signal enhancement rod can be flexibly split and combined according to the requirements; the gateway arrangement flexibility is improved, and the communication quality is ensured. The reinforcing rod can rotate to adjust the direction and can be completely accommodated in the host groove body, so that the device can be rapidly deployed to the optimal signal position, the portable transportation requirement can be met, and the environmental adaptability and the network distribution efficiency of the device are improved.

The application relates to the technical field of cooking utensils, in particular to a gas stove. The gas stove comprises a machine body, an air inlet pipe installed in the interior of the machine body, the air inlet pipe comprising a first air inlet section and a second air inlet section, a support comprising a base, two first supporting legs and a second supporting leg, the ends of the first supporting legs and the second supporting leg away from the base are provided with buckle parts, the buckle parts on the two first supporting legs are respectively connected with the second air inlet section, the buckle part on the second supporting leg is connected with the first air inlet section, and a wireless signal module is installed on the base. The buckle part has an opening for the corresponding air inlet section to pass through, and the minimum width of the opening is smaller than the outer diameter of the corresponding air inlet section. The installation of the wireless signal module is relatively easy, the production cost and production time of the gas stove can be reduced, direct contact or close distance between the wireless signal module and metal parts of the gas stove is avoided, and the communication quality of the wireless signal module is ensured.

The invention relates to the technical field of communication management, and provides an evaluation method and system based on power grid side communication demand responsivity. The method comprises the following steps: collecting monitoring data related to user demand response evaluation and monitoring data related to communication detection evaluation at a power grid side; detecting and analyzing the communication condition of the power grid side so as to judge whether the communication condition meets the requirement or not, and generating a communication evaluation qualified signal or a communication evaluation unqualified signal; analyzing the communication recovery condition of the power grid side so as to generate a power grid side communication management abnormal signal or a power grid side communication management normal signal; the method comprises the following steps: obtaining classification information of all power users, obtaining a user response evaluation value through analysis, generating a user response evaluation qualified signal or a user response evaluation unqualified signal according to the user response evaluation value, performing signal display, and when a communication evaluation unqualified signal, a power grid side management abnormal signal or the user response evaluation unqualified signal is received, performing communication evaluation on the power grid side management abnormal signal or the user response evaluation unqualified signal. And sending out corresponding early warning.

The embodiment of the invention provides a communication channel control method and device and a storage medium, and the method comprises the steps: obtaining a parameter value of each channel parameter in a group of channel parameters corresponding to a first communication channel in a current time window, the first communication channel is a communication channel used by a current device for transmitting a specified message stream in double communication channels, the double communication channels comprise a PC5 channel and a Uu channel, and the group of channel parameters comprise at least one of the following parameters: a channel busy rate, time delay, jitter and a packet loss rate; based on the parameter value of each channel parameter, determining whether a channel switching condition is satisfied, the channel switching condition being a condition for switching a communication channel used for transmitting the specified message flow, and the channel switching condition comprising a first switching condition corresponding to a group of channel parameters; and switching the communication channel used for transmitting the specified message flow from the first communication channel to a second communication channel in the double communication channels under the condition of determining that the channel switching condition is satisfied.

A wireless headset includes a first antenna module, at least one second antenna module, a radio frequency module, a sensing module, a speaker module, and a processing module. The radio frequency module is used to receive or send a radio frequency signal through the first antenna module or the second antenna module; the sensing module is used to sense the capacitance value of the first parasitic capacitor of the first antenna module and generate a corresponding first sensing signal, and is used to sense the capacitance value of the second parasitic capacitor of the second antenna module and generate a corresponding second sensing signal; the speaker module is used to play an audio signal; and the processing module is used to generate a control signal according to the radio frequency signal, the first sensing signal, or the second sensing signal to control the speaker module to play an audio signal corresponding to the control signal.