76results about How to "Improve communication performance" patented technology

An imaging device includes: an imaging section; a first metal side plate and a second metal side plate; an antenna; and a housing having an outlet thereon, wherein the housing includes a top cover disposed at a position higher than the first metal side plate in the vertical direction, wherein in a region downstream of the antenna along the discharge direction of recording material discharged from the outlet, the upper end of the first metal side plate is located at a position lower than the antenna in the vertical direction, and a resin support portion connected to the first metal side plate is disposed in the region such that the resin support portion supports the top cover, wherein the antenna and the resin support portion are disposed along the upper end of the first metal side plate.

This application provides an electronic device, which includes a first device body and a second device body. The first device body has a folded state and an unfolded state relative to the second device body. The first device body includes a first frame and a first metal radiating plate. The first frame has a first antenna radiator and first slits located on both sides of the first antenna radiator. The first metal radiating plate is electrically connected to the first antenna radiator. The second device body includes a second frame and a second metal radiating plate. The second frame has a second antenna radiator and second slits located on both sides of the second antenna radiator. The second metal radiating plate is electrically connected to the second antenna radiator. The first antenna radiator has a feed connection point. The first antenna radiator is positioned corresponding to the second antenna radiator. The first slit is positioned corresponding to the second slit. In the folded state, the first antenna radiator and the second antenna radiator are coupled together through the first metal radiating plate and the second metal radiating plate.

The utility model relates to a filter circuit, a dielectric filter and a duplexer, and the filter circuit comprises a signal input end which is used for inputting a signal; the signal output end is used for outputting a signal; the resonance unit comprises a plurality of resonance circuits which are sequentially arranged between the signal input end and the signal output end in parallel; the coupling inductor unit is arranged between the signal input end and the grounding end and between the signal output end and the grounding end, and the coupling capacitor unit is arranged between the signal input end and the first resonance circuit and between the signal output end and the last resonance circuit. According to the utility model, the problem of large return loss in an ultra-wide passband can be solved, standing waves are effectively improved, the working efficiency of the filter is improved, and the communication effect is improved. The dielectric filter is connected with the grounding silver layer on the outer surface of the ceramic substrate through leading out a first connecting line and a second connecting line from the input port and the output port respectively, and plays a role of equivalent inductance.

The invention discloses a PLC programming environment based on a web technology stack and a construction method thereof, and relates to the field of industrial intelligent control, and the PLC programming environment comprises an expansion framework module, a user interface module, an equipment management module, a communication protocol module, a project management module and a monitoring debugging module. The PLC programming environment adopts a VS Code expansion architecture, integrates a modern Web technology, and constructs a graphical PLC integrated development environment. The environment supports the functions of PLC project management, task programming, equipment configuration, bus management, real-time monitoring, variable debugging and the like. The problems that a traditional PLC programming environment is insufficient in expansibility, poor in user experience and the like are solved, and the problem that different manufacturers lack a unified development platform is solved.

The invention provides a composite board, an equipment shell and a manufacturing method of the composite board. The composite board comprises a main body area and a functional wave-transparent area, wherein the main body area comprises at least one first fiber composite material layer taking carbon fibers as reinforcing materials; the functional wave-transparent area comprises at least one second fiber composite material layer taking non-carbon fibers as reinforcing materials, and the non-carbon fibers are fiber materials with electromagnetic permeability; the main body area and the functional wave-transparent area are designed in a partitioned mode on the basis of functional requirements of electronic equipment, different fiber materials are laid according to preset partitioned patterns respectively, and the composite board with the continuous appearance is formed through one-time hot press forming technology. According to the composite board provided by the invention, high structural strength and high-end appearance continuity are kept, the wave-transparent requirement of a wireless signal is considered, and the shielding problem of a traditional carbon fiber or metal shell on an antenna signal is avoided, so that the communication performance is improved, and the integrated design of the structure and the function is realized.

This invention relates to the field of smart meter communication data acquisition technology, and discloses a method for anti-interference data acquisition in smart meter communication based on multi-carrier modulation technology. The method includes using multi-carrier modulation to perform frequency division processing on the signal during data transmission, combining channel state perception and dynamic subcarrier allocation strategies to avoid interference frequency bands in real time, and enhancing data robustness through time-frequency joint coding. This application can effectively suppress narrowband interference and impulse noise, improving the communication reliability and data acquisition accuracy of smart meters in complex electromagnetic environments.

The application discloses an edge server, an edge computing system and a communication method thereof. The method comprises the following steps: periodically acquiring, by the edge server, communication state information of each edge computing node in a topological network structure and edge computing nodes within a preset distance range around the edge computing node, inputting the acquired communication state information into a pre-established node connection decision model to obtain a real-time decision result, dynamically adjusting, based on the real-time decision result, a connection relationship of each edge computing node in the topological network structure and edge computing nodes within the preset distance range around the edge computing node to form an adaptive topological network structure, and performing data transmission by the edge server based on the adaptive topological network structure and each edge computing node. The topological network structure can be dynamically adjusted, and data can be stably and efficiently transmitted in a dynamically changing network environment.

This application relates to an antenna switching method, apparatus, device, storage medium, and program product. The method includes: determining a holding method for the antenna switching electronic device based on the reflection coefficient of a first antenna currently used for communication; determining a target antenna corresponding to the holding method from a plurality of antennas of the antenna switching electronic device; wherein the plurality of antennas of the antenna switching electronic device are positioned differently within the antenna switching electronic device; if the target antenna is not the first antenna used for antenna switching, controlling the antenna switching electronic device to switch to communication using the target antenna. This method enables reasonable antenna switching to achieve higher communication performance for the electronic device.

The invention discloses a magnetic shielding structure for solving the influence of a magnetic back splint on the natural performance of a wearable terminal, and particularly relates to the technical field of wearable device.The magnetic shielding structure comprises a magnetic base and a magnetic clamping cover, and further comprises a fixing assembly installed on the upper portion of the face, close to the magnetic clamping cover, of the magnetic base; the back cover is installed on the back face of the magnetic attraction clamping cover, a first containing cabin is arranged in the middle of the magnetic attraction clamping cover, and a second containing cabin is arranged in the middle of the magnetic attraction base; every four of the eight magnetic shielding mechanisms form a group, and the eight magnetic shielding mechanisms are symmetrically arranged in the first containing cabin and the second containing cabin respectively. According to the magnetic shielding structure for solving the influence of the magnetic back clip on the natural performance of the wearable terminal, the magnetic shielding mechanisms with the magnetic shielding covers are symmetrically arranged in the accommodating cabins of the magnetic clip cover and the magnetic base, the cylindrical magnetic shielding covers are utilized to form an approximately-totally-closed shielding space, a magnetic field generated by a magnet is concentrated in the shielding space, and the magnetic shielding performance of the wearable terminal is improved. And outward diffusion of the magnetic field is greatly reduced.

This utility model discloses a circuit breaker and its signal transceiver circuit, wherein the signal transceiver circuit includes a printed circuit board and a spring antenna; a communication module is integrated on the printed circuit board, and the spring antenna is connected to the communication module; the axis of the spring antenna is parallel to the surface of the printed circuit board. By setting the spring antenna, good communication performance and less space occupation are ensured. The axis of the spring antenna being parallel to the surface of the printed circuit board integrating the communication module can save space in the direction perpendicular to the surface of the printed circuit board, making the overall structure of the signal transceiver circuit and the circuit breaker more compact, optimizing the spatial layout of the signal transceiver circuit and the circuit breaker, and helping to reduce the size of the circuit breaker.

This invention relates to the field of channel communication technology, specifically disclosing a method for improving the communication performance of plasma sheath channels based on fountain code soft decoding. After establishing a plasma channel model, the amplitude attenuation function follows a log-normal distribution, and the phase shift function follows a Gaussian distribution. The probability densities of the amplitude attenuation function and the phase shift function are calculated respectively. Then, combined with the plasma channel model, the conditional probability density of the plasma sheath channel for matched filtering of the received signal is calculated. The log-likelihood ratio in the plasma sheath channel under BPSK modulation of ideal channel information is calculated, as well as the likelihood probability value and log-likelihood ratio of the received signal under unknown plasma sheath channel parameters. This determines the initial values ​​for iteration, which are then used for fountain code soft-decision decoding. This invention enables the reuse of usable information in discarded fountain code packets, thereby further improving the utilization rate of fountain code packets and enhancing the overall communication efficiency of the plasma sheath channel.

Embodiments of the present application disclose a resource configuration method and device, equipment and computer readable storage medium. The method comprises: obtaining a communication service resource amount required by a communication service demand in each time slot in a sampling period, the sampling period being a minimum unit for describing frame structure time; if it is determined that there is a sensing service demand in each time slot, determining a sensing service resource amount required by the sensing service demand; and performing configuration of frequency domain resources and time domain symbol resources corresponding to the sensing service demand in each time slot according to the communication service resource amount and the sensing service resource amount. In the embodiments, instead of using a fixed pattern time-frequency resource configuration mode, the configuration of frequency domain resources and time domain symbol resources corresponding to the sensing service demand in each time slot is performed according to the communication service resource amount and the sensing service resource amount, that is, the sensing service is configured with resources according to the demand, so as to reduce communication performance loss, thereby improving the communication performance of the network.

This application relates to the field of antenna technology, disclosing an antenna and a communication device. The antenna includes a main board, a radiating structure, a parasitic structure, and a feeding structure. The radiating structure is disposed on the main board and includes high-frequency stubs and low-frequency stubs. The parasitic structure is disposed on the main board and includes high-frequency parasitic stubs and low-frequency parasitic stubs. The high-frequency parasitic stubs are electromagnetically coupled to each other, and the low-frequency parasitic stubs are also electromagnetically coupled to each other. The feeding structure is connected to both the high-frequency and low-frequency stubs, providing electrical signals to them. Through this method, this application enables a single antenna to support communication needs from 2G to 5G and multiple Wi-Fi frequency bands.

The invention provides a wearable electronic device. The wearable electronic equipment comprises an antenna assembly, and the antenna assembly comprises a radiator and a feed source. The radiator comprises a first sub-radiator and a second sub-radiator; the first sub-radiator is provided with a first free end, a first feeding point and a second free end which are arranged in sequence, and the first free end and the second free end form a first opening; the second sub-radiator is provided with a third free end, a second feeding point and a fourth free end which are arranged in sequence, and the third free end and the fourth free end form a second opening; the second sub-radiator is positioned on the inner side of the first sub-radiator; the feed source is electrically connected to the first feed point and the second feed point so as to excite a first resonant mode of the radiator to support a first target frequency band and excite a second resonant mode of the radiator to support a second target frequency band, the first resonant mode is a fundamental mode, the second resonant mode is a second-order mode, and the frequency of the second target frequency band is larger than that of the first target frequency band.

The application provides a SOMEIP communication method, a vehicle and a medium, which are applied to an embedded real-time operation QNX system, the QNX system comprising a first application process and a SOMEIP daemon process, and the method comprises the following steps: the first application process sends a first request to the SOMEIP daemon process through a first channel, the first request is used for requesting to query a destination communication endpoint corresponding to to-be-sent data in the first application, and the first channel is determined based on a client identifier of the SOMEIP daemon process; after the SOMEIP daemon process queries the destination communication endpoint in response to the first request, the SOMEIP daemon process transmits the to-be-sent data of the first application to a second application based on the destination communication endpoint. In this way, the technical problems of the QNX system in the prior art, such as communication performance bottleneck, can be solved.

The application belongs to the technical field of electronic equipment, and particularly relates to an electronic equipment. The application aims to solve the problem of low communication performance of an NFC antenna in a related electronic equipment. The electronic equipment of the application comprises a shell, an NFC antenna and a mainboard. A second part of the NFC antenna is arranged in a groove on one side of the mounting plate facing the back cover, and the side of the second part facing the back cover is opposite to the back cover, so that the second part is not easily shielded by other components in the mounting space, and the communication performance of the NFC antenna is improved. In addition, the second part is arranged in the groove, the height of the second part protruding from the slot of the groove is reduced, the thickness of the second part and the mounting plate as a whole in the direction perpendicular to the surface of the mounting plate is reduced, and the thickness of the electronic equipment is reduced.

Embodiments of the present application disclose a communication device, method, electronic equipment, storage medium and program. The communication device is integrated in a processor and is configured to receive a current instruction and determine an instruction type of the current instruction; in a case where the instruction type of the current instruction is determined to be a non-aligned instruction, send the current instruction to a lower module for a subsequent instruction processing flow; in a case where the instruction type of the current instruction is determined to be an aligned instruction, obtain an instruction execution result of a preceding target associated instruction of the current instruction, and in a case where the instruction execution results of the preceding target associated instruction of the current instruction are all determined to be execution completed, execute an aligned instruction processing flow of the current instruction. The technical scheme of the embodiments of the present application can efficiently ensure that the instructions are completed in order, reduce the delay of instruction in-order processing, and thus improve the overall communication performance.

Upon determining that a communication channel in a shared spectrum is idle, a gNB can transmit downlink control information (DCI) triggering a user equipment (UE) to measure resources to determine whether the communication channel is available to the UE. The UE triggered by the DCI can measure energy received on the resources, generate a measurement report, and transmit the measurement report to the gNB. Based on the measurement report, the gNB can determine whether to transmit data to the UE in the communication channel.

The invention discloses an anti-interference and anti-eavesdropping cooperative transmission method for a high-security wireless network, and relates to the technical field of mobile communication. The method is applied to a communication system comprising an information source, an information sink, an anti-brittle relay, an enemy jammer and an enemy eavesdropper, and the information sink comprises a primary user and a plurality of secondary users. A consensus signal is sent through an anti-brittle relay, a main user detects the working frequency band and the interference type of an enemy jammer by adopting a machine learning algorithm, and the working frequency band and the interference type are fed back to the anti-brittle relay through encryption broadcast; the anti-brittle relay performs deceptive coding on a source end signal based on the information, and transmits the coded signal to a corresponding channel through beam forming, so that the enemy jammer converts the coded signal into a temporary relay node and sends an available signal; and the primary user separates the mixed signals and restores source end signals through maximum ratio combination, and the secondary user realizes communication coverage expansion through the converted relay node. The method realizes resource utilization of interference, synchronously improves anti-interference and anti-eavesdropping performance, optimizes spectrum resource allocation, and is suitable for complex communication scenes with high security requirements.

The utility model belongs to the technical field of wireless communication, and particularly relates to a vehicle-mounted broadband mobile subscriber station, which comprises a heat conduction shell, a wireless communication module, a wireless communication module and a wireless communication module, the communication control module is arranged in the accommodating cavity, the communication control module is a core control and processing part of the equipment and mainly realizes the main control management of the equipment and the functions of a PMP (Point-to-Multipoint) / NTN (Node-to-Node-to-Point) protocol and a radio frequency part, and the communication control module is used for controlling the communication control module. The hardware is mainly composed of a control channel unit, a power supply unit, a front interface board unit and a rear interface board unit. The power amplification unit is mainly used for realizing a radio frequency signal amplification function, and consists of a radio frequency front end RFU (Radio Frequency Unit) and a power supply module; according to the vehicle-mounted broadband mobile subscriber station, a standard LRM (Line Replaceable Module) framework is adopted, the integration level is high, the function is complete, and the communication performance and the stability can be effectively improved.

Disclosed are a capability information reporting method, a receiving method, a terminal and a network side device, belonging to the technical field of communications, the capability information reporting method of the embodiment of the present application comprising: a terminal executing a capability reporting operation, the capability reporting operation comprising reporting first indication information, the first indication information is used for indicating whether a first capability is supported or not, and the first capability comprises: performing CSI-RS-based layer 1 mobility measurement in a first cell; wherein the frequency domain resource occupied by the CSI-RS of the first cell comprises the frequency domain resource in a first bandwidth, and the first cell further meets at least one of the following conditions: the receiving timing difference between cells corresponding to the first cell is greater than CP; the frequency domain resources occupied by the CSI-RS of the first cell comprise frequency domain resources except the activated BWP of the serving cell of the terminal.

This invention provides an IoT-based intelligent lighting control system for high-mast lights, comprising a main station server, a computer terminal, a mobile terminal, a 4G / 5G base station, a communication conversion base station, and N dual-mode high-mast light lines. The N dual-mode high-mast light lines are interconnected, wirelessly connected to the communication conversion base station, wirelessly connected to the 4G / 5G base station, wirelessly connected to the main station server, and the main station server is connected to the computer terminal and mobile terminal via network communication; where N is a positive integer greater than 3. This invention utilizes HRF (Hyper-Radio Frequency) for flexible wireless data interaction and HPLC (Power Line Carrier) technology to ensure stable wired communication. The two complement each other to ensure communication reliability, adapting to different environments and scenarios and improving the overall communication performance of the system. The communication topology offers good flexibility, gradually achieving full coverage of lighting monitoring in application scenarios from points, lines, and surfaces.

The application provides an antenna assembly, which comprises a conductive plate, a ground plate, a conductive wall, a feed source and a matching unit. The conductive plate comprises a first edge, a second edge and a first connecting edge connected between the first and second edges. The ground plate is parallel to and spaced from the conductive plate, and comprises a third edge, a fourth edge and a second connecting edge connected between the third and fourth edges. The ground plate is grounded. The conductive wall is connected between the first and second connecting edges and used for connecting the first connecting edge to the ground. The conductive plate, the ground plate and the conductive wall form a cavity antenna with two open sides. The first and third edges are two opposite edges of one of the open sides, and the second and fourth edges are two opposite edges of the other open side. The cavity antenna supports the reception of electromagnetic wave signals of two frequency bands under the excitation of the feed source and the impedance matching adjustment of the matching unit. The application also provides an electronic device. The application can ensure the antenna performance in an effective clearance area.

The application belongs to the technical field of unmanned aerial vehicle communication, and particularly relates to an unmanned aerial vehicle communication system based on IPv6 multi-homing and multi-path transmission. The system configures independent IPv6 addresses for multiple heterogeneous links of the unmanned aerial vehicle, establishes a binding relationship between the links and the addresses, and generates a service session identifier; address-level state vectors are generated by periodically collecting link state parameters and associating the link state parameters with the IPv6 addresses; the available IPv6 addresses are comprehensively scored based on the state vectors, and the sending proportion of each address is determined according to the service category, so that data fragments are bound to different IPv6 source addresses and sent in parallel; when the link deteriorates, address-level degradation and rapid traffic switching are performed without changing the session identifier; the receiving end uniformly recombines the fragments from the multiple addresses according to the session identifier and the fragment sequence number, and delivers the fragments to the upper layer application. The application improves the communication throughput, stability and continuity of the unmanned aerial vehicle in a multi-link environment.

The invention discloses a non-cellular large-scale MIMO (multiple input multiple output) communication integrated system precoding method and device based on multiple reflection points, and belongs to the technical field of wireless communication, and the method comprises the following steps: based on a pre-constructed non-cellular large-scale MIMO communication integrated system model, pre-coding the non-cellular large-scale MIMO communication integrated system model; calculating the rate sum of the communication user, the transmitting power of the access point and the sensing signal-to-noise ratio from the access point to the sensing target direction; the transmission power of the access point and the sensing signal-to-noise ratio from the access point to the sensing target direction are used as constraints, and the rate sum of communication users is maximized by optimizing a precoding matrix of the access point; wherein the cellular-free large-scale MIMO sensing integrated system model comprises a downlink communication channel model and a radar sensing target model. According to the invention, the rate sum of the communication user can be maximized by optimizing the sending precoding matrix of the access point, so that the environment perception capability is effectively improved, and the purpose of improving the communication performance and the perception performance at the same time is achieved.

This utility model discloses an in-vehicle wireless communication module in the field of communication technology. The baseband processing chip in the in-vehicle wireless communication module is bidirectionally electrically connected to the radio frequency transceiver. The radio frequency transceiver is electrically connected to both a radio frequency transmitting component and a radio frequency receiving component. The radio frequency transmitting component includes a first radio frequency transmitting unit, a second radio frequency transmitting unit, and a third radio frequency transmitting unit, each corresponding to a different frequency band operating range. A main antenna and a diversity antenna are connected to the radio frequency transmitting component and the radio frequency receiving component of multiple frequency bands in different combinations via two independent radio frequency channels. The main antenna and the diversity antenna transmit and receive radio frequency signals of different frequency bands via the radio frequency channels. Using this in-vehicle wireless communication module can reduce the overall hardware cost of the in-vehicle wireless communication module and is compatible with multiple communication standards.

This application relates to a radio frequency (RF) system and communication device, belonging to the field of communication technology. The RF system includes: a transceiver circuit; a receiving circuit; a first coupling circuit for supporting coupling between a transmitted signal and a reflected signal of the transmitted signal in the transceiver path, and outputting a first forward coupling signal and a first backward coupling signal; a second coupling circuit for selecting and conducting a receiving path and a coupling path, supporting coupling between the first forward coupling signal and the reflected signal of the first forward coupling signal, and outputting a second forward coupling signal and a second backward coupling signal; and a processing circuit for determining first impedance information of the transceiver path based on the first forward coupling signal and the first backward coupling signal, and determining second impedance information of the receiving path based on the second forward coupling signal and the second backward coupling signal. This application realizes impedance detection of the receiving path in a non-transmitting state, and enables impedance tuning of the receiving path in a non-transmitting state.

This invention provides an autonomous emergency communication vehicle and its usage method. The autonomous emergency communication vehicle includes a communication vehicle body, a cargo compartment fixedly mounted on the communication vehicle body, a lifting mechanism fixedly mounted inside the cargo compartment, a telescopic rod fixedly mounted on the lifting mechanism, a lower frame plate fixedly mounted at the top of the telescopic rod, a connecting side plate fixedly mounted on the outer side of the lower frame plate, an upper frame plate fixedly mounted at the top of the connecting side plate, an adjustment component fixedly mounted on the upper frame plate, an adjustment crossbar provided on the adjustment component, and a connecting component provided on the adjustment crossbar. The autonomous emergency communication vehicle provided by this invention, through the coordinated use of the adjustment component and the stabilization component, ensures stable and efficient communication capabilities in various environments by rapidly deploying and adjusting the transceiver antenna, improving emergency response speed and flexibility, and greatly enhancing the effectiveness of the communication vehicle.

The invention provides an airborne bus message transmission method, which comprises the following steps that: step 1, an application program applies for a cache from a terminal, establishes a message linked list, and inserts the cache into the message linked list; wherein the cache is used for storing airborne bus messages; the message linked list comprises a sending A linked list, a sending B linked list, a receiving A linked list, a receiving B linked list and a receiving C linked list; step 2, acquiring airborne bus messages from caches in the sending A linked list and the sending B linked list, and sending the airborne bus messages; step 3, receiving the airborne bus message, and storing the airborne bus message into caches in the receiving A linked list, the receiving B linked list and the receiving C linked list; according to the method and the device, the problem of design architecture universality of the airborne multi-type bus driver in message processing is solved.

The invention discloses a communication performance optimization method, a communication performance optimization device and a program product. The method comprises the following steps: controlling a plurality of auxiliary nodes to transmit carrier signals at M frequency points, and determining an uplink data set of each auxiliary node based on received uplink data of terminal equipment; each auxiliary node has corresponding M frequency points; and closing at least one first frequency point of at least one auxiliary node and / or reducing the transmitting power of at least one auxiliary node at at least one second frequency point based on the uplink data set of the plurality of auxiliary nodes. Therefore, on the premise of ensuring that the uplink throughput of the system is not changed, the system power consumption is reduced, the identification efficiency of the uplink terminal equipment is improved, and the system communication performance is optimized.