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31results about How to "Meeting Communication Needs" patented technology

Dual-mode barrier gate control system and method based on LoRa and Wi-Fi

The invention discloses a dual-mode barrier gate control system and method based on LoRa and Wi-Fi. The method comprises the following steps: S1, system initialization; s2, dynamically selecting a communication mode by adopting a Markov decision process algorithm; s3, analyzing the historical behavior data of the visitor by combining a hypergeometric learning algorithm and a manifold learning algorithm, and generating a dynamic two-dimensional code; s4, encrypting the dynamic two-dimensional code, and transmitting the dynamic two-dimensional code to the visitor terminal through LoRa or Wi-Fi; s5, the visitor scans the two-dimensional code to request for passing, and the edge computing device locally verifies the validity of the two-dimensional code and device binding information; s6, when an abnormal behavior is detected, the system triggers a multi-factor authentication mechanism; s7, after the authentication is passed, the system controls a barrier gate execution mechanism to open a gate, and traffic information is recorded and uploaded to the cloud; and S8, the system collects visitor data for a long time, generates a behavior model by using big data, and optimizes an approval process and two-dimensional code management. According to the invention, the dynamic two-dimensional code is generated by combining LoRa and Wi-Fi dual-mode communication and an intelligent algorithm, so that the dynamic management of visitors is realized.
Owner:NANJING XIANZHI INFORMATION TECH CO LTD

Bluetooth communication method and system based on navigator, electronic equipment and medium

ActiveCN119653345AEfficient collaborative communicationReceive incoming calls in a timely mannerParticular environment based servicesConnection managementDriver/operatorIn vehicle
The invention discloses a Bluetooth communication method and system based on a navigator, electronic equipment and a medium, and relates to the technical field of communication. The method comprises the following steps: establishing communication connection among a first Bluetooth module, a second Bluetooth module and a third Bluetooth module; a mobile phone incoming call signal of the driver is received, and the mobile phone incoming call signal is sent to the vehicle-mounted navigator through the first Bluetooth module to give an incoming call prompt; responding to the answering operation, and transferring the incoming call signal of the mobile phone to the helmet of the driver through the second Bluetooth module; obtaining posture data of a driver helmet, heart rate data of a driver and vehicle speed data of the target vehicle, and calculating a current driving state index of the driver based on the posture data, the heart rate data and the vehicle speed data; and when the driving state index is greater than an index threshold value, the incoming call signal of the mobile phone is transferred to the helmet of the passenger through the third Bluetooth module so as to complete the call operation. By implementing the technical scheme provided by the invention, the effect of improving the safety of the driver in the driving communication process is achieved.
Owner:SHENZHEN TRIPOD TECH CO LTD

State adjustment strategy determination method and device, equipment and computer storage medium

PendingCN119136286Areduce wasteFlexibility to adapt to communication needsPower managementEnergy reductionOperations research
The invention discloses a state adjustment strategy determination method and device, equipment and a computer storage medium. The method comprises the following steps: acquiring communication feature information of target equipment in a target time period, preset communication feature information and a power consumption value corresponding to the preset communication feature information; a first preset number of target communication feature information is selected from the preset communication feature information, and the similarity between the target communication feature information and the communication feature information of the target device in the target time period is larger than a target value; determining an average value of power consumption values corresponding to the target communication feature information as a predicted power consumption value of the target equipment; and determining a state adjustment strategy of the target equipment within the target time period as a target state adjustment strategy corresponding to the predicted power consumption value according to a relationship between the preset power consumption value and a preset state adjustment strategy. According to the invention, the transformed state adjustment strategy is set through the transformed power consumption value, the communication requirement of the equipment can be flexibly adapted, the energy waste can be reduced, and the communication requirement of the equipment can be met in time.
Owner:CHINA MOBILE M2M +1

Communication system resource allocation method and system based on semantic information

The invention provides a communication system resource allocation method and system based on semantic information, and relates to the technical field of wireless communication. According to the method provided by the invention, a to-be-transmitted image is processed to obtain a semantic importance score of each semantic feature vector corresponding to the to-be-transmitted image; then determining the semantic importance weighted information amount of each semantic feature vector; sorting the plurality of semantic feature vectors from large to small according to the semantic importance weighted information amount to obtain a first sequence; and according to the first sequence, sequentially determining a channel with the minimum communication interruption probability corresponding to each semantic feature vector, wherein the available transmission information amount of the channel is greater than the required transmission information amount. According to the method provided by the invention, the importance scores of the plurality of semantic vectors included in the to-be-transmitted image are determined, and then the channels with small interruption probability are allocated to the semantic vectors with high importance based on the importance scores of the plurality of semantic vectors, so that the information transmission efficiency can be improved.
Owner:TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI

Mine multi-node real-time communication and data transmission system based on wireless network

The invention relates to the field of mine safety and automatic monitoring, and discloses a mine multi-node real-time communication and data transmission system based on a wireless network, and the system comprises a network architecture module which is designed to be used for constructing a multi-node wireless network topology structure in a mine; the data acquisition and transmission module is designed to be used for acquiring environmental parameters, equipment states and video monitoring data in a mine; the data processing and analyzing module is used for processing and analyzing the collected data in real time; the control and management module is designed to be used for realizing remote control of equipment in the mine and centralized management of the system; the security and redundancy module is designed to be responsible for data transmission security and system operation of the system; and a user interface and an interaction module. By deploying the edge computing power on the node close to the data acquisition source, the system can perform primary processing and analysis on the data locally, data transmission delay is reduced, the computing pressure of the central server is relieved, and the real-time performance and response speed of the whole system are improved.
Owner:HUANENG COAL TECH RES CO LTD +2

Intelligent communication method and device based on wireless signal

The present invention belongs to the field of wireless communication technology, and specifically relates to an intelligent communication method and device based on wireless signals, which deploys designated communication equipment in a target area and starts a network service function, receives a connection request sent by a target user terminal within its effective communication area, allocates a built-in adaptation network architecture level of the designated communication equipment to the target user terminal and performs an initial validity verification to realize personalized communication services, then continuously tracks the network usage status of the target user terminal, determines in real time whether the network architecture level needs to be changed and responds quickly, ensures that the target user terminal can obtain the best communication experience in different network usage environments, and when the target user terminal ends the connection, collects the overall network usage status of each connected user terminal within the effective communication area at the same time, comprehensively understands the performance of the communication equipment in different user terminal usage situations, and helps to continuously improve the service quality of the communication equipment.
Owner:SICHUAN ZHENGCHENG PETROLEUM TECH DEV CO LTD +1

Channel allocation method, communication method and communication network

The embodiment of the invention provides a channel allocation method, a communication method and a communication network. The channel allocation method is applied to a target communication network, the target communication network comprises a server, at least one LoRa gateway and a plurality of LoRa terminal device groups, and each LoRa terminal device group comprises at least one LoRa terminal device; the channel allocation method comprises the following steps: for at least one sub-frequency band in a target LoRa communication frequency band, dividing a plurality of channels in each sub-frequency band; a plurality of channels corresponding to each sub-frequency band respectively occupy independent frequency ranges; and configuring a corresponding target channel for each LoRa terminal device group in a plurality of channels corresponding to the at least one sub-band, so that each LoRa terminal device in the LoRa terminal device group communicates with a correspondingly configured LoRa gateway. According to the technical scheme, the communication quality between the gateway and the terminal equipment can be effectively guaranteed, and the communication network can meet more communication requirements at the same time.
Owner:SHANGHAI QICAI GUANG ROBOT CO LTD

Water pump communication module and water pump

ActiveCN222128081UImprove real-time controlImprove the effect of data collectionPump controlPositive-displacement liquid enginesCommunication unitInterference (communication)
The utility model relates to a water pump communication module and a water pump. The water pump communication module comprises a first communication unit used for being in signal connection with the water pump control module; the first external communication interface is used for being in signal connection with external equipment; the second communication unit is used for being in signal connection with the water pump control module; the second external communication interface is used for being in signal connection with external equipment; the signal processing unit comprises a communication line, the first external communication interface and the second external communication interface are connected to the first end of the communication line in parallel, the first communication unit and the second communication unit are connected to the second end of the communication line in parallel, and the communication line is provided with a filtering subunit used for filtering interference signals in the communication line. According to the technical scheme, the water pump can be compatible with two communication modes through the water pump communication module to achieve real-time water pump control and water pump data collection.
Owner:ANHUI SHINHOO CANNED MOTOR PUMP CO LTD

Battery module multi-parallel and multi-serial management system and management method thereof

The invention discloses a multi-parallel and multi-serial management system for battery modules and a management method thereof, and belongs to the technical field of batteries. Comprising a first battery module, a second battery module... and an Nth battery module, each battery module comprises a battery shell, and an electric quantity display is arranged on the outer surface of the battery shell; the electronic circuit board is provided with an electronic circuit structure, and the electronic circuit structure comprises a main processor unit, and a CAN communication unit, a 485 communication unit, a UART communication unit and a weak current switch unit which are respectively connected with the main processor unit. The battery modules are sequentially connected in parallel or in series through the positive electrode interfaces and the negative electrode interfaces; the CAN communication unit of each battery module is connected to the same CAN communication bus; by operating the function switch or the weak current switch unit on the electric quantity display, other battery modules connected through the CAN communication bus are synchronously controlled, so that all the battery modules can be synchronously operated, and the problem of non-uniform electric quantity is avoided.
Owner:GUANGZHOU FULLRIVER BATTERY NEW TECH

Glasses

The invention discloses a pair of glasses, and relates to the technical field of intelligent glasses, the glasses comprise a shell, a lens and an antenna assembly, and the lens is movably arranged on the shell. The antenna assembly comprises an antenna body and at least two metal parts, the antenna body is fixed on the shell, the metal parts are movably arranged on the antenna body, and the metal parts are electrically connected with the antenna body.
Owner:VIVO MOBILE COMM CO LTD

CAN communication board, safety controller and subsea Christmas tree

The invention discloses a CAN communication board, a safety controller and a subsea Christmas tree, and relates to the technical field of communication. The CAN communication board comprises a power supply module, a control module, a first CAN communication isolation module, a second CAN communication isolation module, a state monitoring module and a display module. The power module is used for providing power supply voltage for the control module; the first CAN communication isolation module is used for realizing CAN communication between the control module and the main control board card; the state monitoring module is used for monitoring state information of the CAN communication board and sending the state information to the control module; the second CAN communication isolation module is used for providing redundant CAN communication for the CAN communication board; the control module is used for displaying the state information of the CAN communication board through the display module and / or outputting a display signal to the display module according to the state information of the CAN communication board, the CAN communication board is provided, the communication requirement of the safety controller is met, and the communication reliability of the safety controller is ensured.
Owner:THE 711TH RES INST OF CHINA STATE SHIPBUILDING CORP +1

Matrix type communication system and method for fully mechanized coal mining face with ultra-large mining height

The invention relates to the technical field of communication guarantee, in particular to a matrix type communication system and method for a fully mechanized coal mining face with ultra-large mining height, and the system comprises a communication controller, a lateral following type wireless communication base station device and a top wireless communication coverage device, the lateral following type wireless communication base station device comprises a working face displacement monitoring module, a mobile device and a miniature wireless communication base station, and the working face displacement monitoring module, the miniature wireless communication base station and the top wireless communication covering device are installed on a movable part of the mobile device. A plurality of wireless expansion modules of the top wireless communication coverage device are networked with the micro wireless communication base station; and when the real-time distance between the movable part and the fully-mechanized coal mining face is greater than a distance threshold value, the communication controller controls the movable part to advance towards the fully-mechanized coal mining face, so that the positions of the micro wireless communication base station and the top wireless communication covering device are matched with the position of the fully-mechanized coal mining face. According to the system disclosed by the invention, the communication requirements of workers and equipment in an underground operation space can be better met.
Owner:CCTEG COAL MINING RES INST +5

Laminated and combined communication transmission equipment patch antenna

The utility model relates to the technical field of patch antennas, in particular to a laminated combined communication transmission equipment patch antenna, which comprises a first antenna layer, and a second antenna layer is arranged at the top of the first antenna layer. The multi-band antenna has the advantages that the multi-band antennas are stacked and combined together, so that the performance and the frequency bandwidth of the antenna are improved, and the antenna layer I, the antenna layer II and the antenna layer III of different bands are stacked and combined and are integrated in a smaller space, so that a multi-band communication function is realized, and the antenna has a wide application prospect. The antenna provided by the utility model meets the communication requirements of users for different frequencies, also improves the gain, radiation efficiency and directivity of the antenna, improves the communication performance and coverage area, avoids the problems that the antenna is weak in anti-interference capability and is liable to be interfered by the outside, and fixes the position of the wire sleeve through the cooperation of the clamping seat and the limiting buckle. During assembly, a user can conveniently install and typeset, and the occupied space is reduced.
Owner:SHENZHEN BOJIA COMM EQUIP CO LTD

Mobile visual intercom terminal device for communication

The utility model discloses mobile visual intercom terminal equipment for communication, which relates to the technical field of mobile communication equipment and comprises a machine body, cameras fixedly arranged on the periphery of the upper end of the machine body, a main display screen fixedly arranged on the front side of the machine body, an auxiliary display screen fixedly arranged below the main display screen, and a fixing plate fixedly mounted behind the machine body. A magnetic adsorption part is fixedly arranged at the lower end of the fixing plate, a group of symmetrically-arranged mounting blocks are fixedly mounted at the upper end of the fixing plate, a clamping plate is movably mounted between the mounting blocks and can rotate around a connecting line of the mounting blocks, and a magnetic connecting part is fixedly mounted at the end, away from the mounting blocks, of the clamping plate; the magnetic adsorption piece and the magnetic connecting piece are in magnetic connection, and a telescopic rod is fixedly arranged at the bottom of the fixing plate. By arranging the camera, the clamping plate, the telescopic rod and other components, multi-directional monitoring of the device is achieved, the safety of the device is improved, and meanwhile the practicability and multifunctionality of the device are improved.
Owner:王春锋

A digital multi-beam phased array for mobile phone direct connection and transparent transmission payload

The present invention relates to a digital multi-beam phased array for mobile phone direct connection and transparent transmission of payload. The digital multi-beam phased array includes a plurality of digital array standard components, a final beam forming processing unit and an onboard base station. The digital array standard component processes the uplink signal sent by the mobile phone direct connection to form an uplink primary beam, and processes the downlink final beam sent by the final beam forming processing unit before sending it to the mobile phone direct connection; the final beam forming processing unit performs beam forming processing on the uplink primary beam and the modulated downlink signal sent by the onboard base station respectively, and the output uplink final beam and downlink final beam are sent to the onboard base station and the corresponding digital array standard component respectively; the onboard base station receives and modulates the downlink signal sent by the ground core network, sends it to the final beam forming processing unit after modulation, and demodulates the uplink final beam and sends it to the ground core network. The use of this method can improve the antenna gain of the mobile phone direct connection to the satellite and the signal transmission efficiency.
Owner:HUNAN JINGLING ZHILIAN INFORMATION TECH CO LTD

UHF-band high-power multifunctional transceiver assembly

The invention discloses a UHF-band high-power multifunctional transceiver assembly, and belongs to the technical field of communication application. The device comprises an assembly power supply, a core control unit, a signal amplification assembly, a mode switching assembly and an assembly liquid cooling box body. The antenna has the functions of signal amplification, transmit-receive control, circuit protection and communication, and can carry out switching of multiple working modes and selection of polarization directions at the same time. On the basis of the high-power cooling requirement, all parts are subjected to integrated comprehensive structural design, the high-efficiency liquid-cooling heat dissipation and miniaturization design have the double advantages of high-efficiency liquid-cooling heat dissipation and miniaturization design, the problems that in the prior art, the quantity of equipment is large, wiring and installation are difficult and the like are solved, and the high-efficiency liquid-cooling heat dissipation device can be widely applied to equipment with high-power, miniaturization and multifunctional requirements.
Owner:THE 54TH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION

Communication method, system, device and equipment based on Beidou short message and medium

The invention provides a communication method, system, device and equipment based on a Beidou short message, and a medium, and relates to the technical field of Beidou short message communication protocols. The method comprises the steps of obtaining a scene number of a scene selected by a user on a short message sending page, generating a Beidou short message for the selected scene according to the scene number, and sending the Beidou short message to a Beidou cloud based on a Beidou protocol, the Beidou cloud terminal is used for generating a short message for the selected scene according to the version number and the scene number carried in the Beidou short message, and sending the short message to the short message receiving terminal, so that the expressed communication content can comprise the communication content of the system scene and / or the user-defined scene, more communication information can be transmitted only through a limited number of bytes, and the user experience is improved. Therefore, the communication requirements in various scenes can be met, the satellite communication cost is reduced, and the communication efficiency and the communication flexibility of the Beidou short message are improved at the same time.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Arduino-based environment monitoring device

The utility model relates to the technical field of water quality monitoring, in particular to an environment monitoring device based on Arduino. According to the technical scheme, a first water sample container and a second water sample container are installed in a ship body, a central carrying platform is laid in the ship body, a water quality real-time monitoring device is installed on the central carrying platform, and the water quality real-time monitoring device is in signal connection with a wireless remote control device through a central controller. The central carrying platform is provided with a central controller, a water suction pump, a wireless remote control device, a real-time positioning device, an automatic obstacle avoidance device, a water treatment reagent container and an SG90 steering engine, the upper portion of the central carrying platform is covered with a ship shell, and the tail of the ship body is provided with a motor driving module, a left propeller and a right propeller. The water quality monitoring device is easy to operate, high in stability, convenient to carry and suitable for most rivers and lakes, and the water quality monitoring efficiency is greatly improved.
Owner:GUANGXI UNIV FOR NATITIES

Information security encryption system and encryption method

The present invention belongs to the technical field of secure communication devices, and specifically relates to an information security encryption system and an encryption method. The information security encryption system comprises: a communication device and an information piece; when the information piece is inserted into the communication device and the communication device encrypts the encryption piece, the encrypted information is input into an encryption unit; when the information piece is inserted into the communication device and the communication device communicates with the communication piece, the corresponding antenna unit is connected according to the encrypted information on the encryption unit, so that the communication device communicates with the communication chip; the present invention can achieve the effect of double encryption of information, and each antenna unit on the communication piece is independently arranged, and only after any antenna unit forms a loop with the communication chip can it communicate with the communication device at the corresponding frequency band, and can realize that the communication piece communicates with the same communication device at multiple frequency bands to meet multiple communication needs, and at the same time, the information piece contacts with the electronic device, and each antenna unit will not interfere with the electronic device.
Owner:LIYANG CHANGDA TECH ZHUANYI CENT LTD

Information transmission method and device, information receiving method and device and communication equipment

The invention discloses an information transmission method and device, an information receiving method and device and communication equipment, and belongs to the technical field of communication, and the information transmission method comprises the steps that a transmitting end obtains an orthogonal frequency division multiplexing (OFDM) signal to be transmitted and an imitated radio frequency division multiplexing (AFDM) signal to be transmitted; and performing multiplexing transmission on the OFDM signal and the AFDM signal on a first time frequency resource.
Owner:VIVO MOBILE COMM CO LTD

Novel isolated signal input circuit

ActiveCN222192363UMeeting Communication NeedsImprove communication bandwidthData switching detailsComputer printingBidirectional transmission
The utility model relates to a novel isolation type signal input circuit, which belongs to the technical field of digital ink-jet printers and comprises a communication plate, the communication plate comprises a master control board card and a slave board card, the master control board card and the slave board card are connected through signals, the master control board card is used for master control of communication, and the slave board card is used for slave control of communication. The slave board card is used for receiving information; according to the scheme, the sending end adopts a structure of two-channel sending and one-channel receiving, the receiving end adopts configuration of one-channel sending and two-channel receiving, the sending end provides high transmission capacity in a two-channel sending mode, and meanwhile two-way transmission of data is effectively achieved through one-channel receiving; at a receiving end, the configuration of the first channel sending and the second channel receiving emphasizes the attention on the received signal, so that the information transmitted from different directions can be efficiently received and processed; the communication bandwidth of the system is expanded by increasing the number of communication ports, and the communication requirements in different scenes are further met.
Owner:GUANGZHOU SENYANG ELECTRONIC TECH CO LTD

HPLC (High Performance Liquid Chromatography) plug and play communication unit

ActiveCN222127721UMeeting Communication NeedsCircuit arrangementsData connectionTopology identification
The utility model discloses an HPLC (High Performance Liquid Chromatography) plug-and-play communication unit, which comprises a low-voltage topology identification module and a plurality of communication protocols used for data connection between external equipment and the low-voltage topology identification module, the low-voltage topology identification module comprises a core processing module, a signal sending module, a broadband carrier module and a storage module, the broadband carrier module is bidirectionally connected with the signal sending module, and the signal sending module and the storage module are bidirectionally connected with the core processing module; the communication protocol comprises a UART interface, a USB interface, an SPI interface and an IIC interface. According to the utility model, the terminal communicates with the intelligent distribution transformer terminal through the communication unit, and can meet the requirements of communication with an electric meter, a charging pile, an intelligent switch and the like.
Owner:NANJING QINGLI ELECTRIC TECH CO LTD

Reconfigurable direct radio frequency modulation transmitter architecture applied to multiple modulation modes

PendingCN119652711AMeet application needsMake up for the shortcomings of not having reconfigurable characteristicsModulated-carrier systemsHigh level techniquesQam modulationInverter
The invention discloses a reconfigurable direct radio frequency modulation transmitter architecture applied to multiple modulation modes, which comprises an L modulation link and an H modulation link, and each link is subjected to phase modulation and amplitude modulation by an I path and a Q path respectively. Through the arrangement of a reconfigurable switch, when only an L link participates in work, QPSK, STAR-QAM, 8PSK and 16-QAM modulation schemes are generated; and when the L link and the H link both participate in work, a 16-QAM (Quadrature Amplitude Modulation), 64-QAM and 256-QAM higher-order modulation scheme is generated. A reconfigurable three-path Doherty power amplifier output inverter network structure is provided, and when a modulation link generates a low-order modulation scheme, the output is a two-path series Doherty power amplifier structure; and when the modulation link generates a high-order modulation scheme, the output is a three-path series-parallel Doherty power amplifier structure. The overall efficiency of the transmitter is improved while the loss and the power consumption are reduced.
Owner:SOUTHEAST UNIV

A multi-level converged communication dispatching method and system

This invention discloses a multi-level fusion communication scheduling method and system, relating to the field of industrial processing communication scheduling technology. It solves the technical problem in existing technologies where, for a single process, the communication needs of each stage cannot be met while avoiding resource idleness. Specifically, it employs a hierarchical progression from "overall process scheduling → specific scenario scheduling → risk and hazard scheduling," covering the communication needs of different dimensions of the industrial processing production line and forming a complete multi-level fusion scheduling system. All scheduling is based on "actual scenario parameters," avoiding the rigidity of static scheduling and achieving dynamic and precise allocation of communication resources, balancing transmission efficiency and stability. By optimizing communication scheduling, from three levels—"reducing unnecessary scheduling," "allocating resources on demand," and "avoiding risks and hazards"—it ultimately ensures the qualified operation, efficient control, and low-risk operation of the industrial production line, providing communication-level support for the overall efficiency of the production line.
Owner:BEIJING DONGQING INTERNET TECH CO LTD

Low-power, ultra-long standby FPV UAV image transmission system and its implementation method

This invention provides a low-power, ultra-long standby FPV drone image transmission system and its implementation method, comprising: an RF transceiver, a 1-to-2 RF switch, an RF front-end module, and a 1-to-4 RF switch; the signal output terminal of the RF transceiver is electrically connected to the signal input terminal of the 1-to-2 RF switch; the two signal output channels of the 1-to-2 RF switch are respectively electrically connected to the RF input pin of the RF front-end module and the signal input terminal of the 1-to-4 RF switch; the signal output terminal of the RF front-end module is electrically connected to another signal input terminal of the 1-to-4 RF switch; the output terminal of the 1-to-4 RF switch is connected to an antenna. In scenarios where takeoff is not in progress, this invention can shut down the RF amplifier (PA) in the RF front-end module, significantly reducing power consumption and fundamentally solving the heat dissipation problem. Therefore, the image transmission system can operate normally for extended periods without crashing, greatly improving the user experience.
Owner:ARTOSYN

Antenna components

ActiveCN117913512BImprove coupling strengthRealize sending and receivingRadiating elements structural formsAntenna earthingsSoftware engineeringGround pattern
The embodiment of the present invention discloses an antenna assembly, which uses a common grounding portion to provide grounding for a first radiating portion and a second radiating portion, and arranges the second radiator and the first grounding pattern on the same side of a substrate. Thus, on the one hand, the second radiator and the first grounding pattern are arranged at intervals to form a first coupling gap, and the first feeding branch node and the second feeding branch node are arranged in the first coupling gap. Thereby, the coupling strength between the first grounding pattern and the main radiating unit, the diversity radiating unit and the second radiator is improved. On the other hand, the distances between the feeding point and the first side edge and the second side edge are configured to be different, and the first side edge and the second side edge have an angle. This causes a potential difference to be generated in the guided electromagnetic waves on the first side edge and the second side edge, and at the same time, after the two are superimposed on each other, they are coupled to the second radiator to generate a circularly polarized electromagnetic signal. The communication requirements between the antenna assembly and the satellite are met, so that the first radiating portion can be used to position the antenna assembly.
Owner:LANTO ELECTRONIC LIMITED

Multi-access data transmission system for warehousing unmanned aerial vehicle

The invention discloses a multiple access data transmission system for a warehousing unmanned aerial vehicle, and relates to the technical field of warehousing unmanned aerial vehicle data transmission, which comprises a communication module, an identity authentication module, a data processing module, a multiple access module and a warehousing unmanned aerial vehicle module, wherein the communication module is used for establishing a two-way communication link for transmission of a data packet of the unmanned aerial vehicle. According to the multi-access data transmission system for the storage unmanned aerial vehicle, preprocessing can be performed on different types of data, normalization and de-noising processing can be performed on sensor data, color space conversion, cutting and de-noising processing can be performed on image data, and then different compression algorithms are adopted for compression, so that the bandwidth occupation is reduced, and the compression efficiency is improved. The data integrity transmission in a low-bandwidth environment is also ensured, and the data transmission efficiency and accuracy are improved; and the data decompression unit can accurately decompress the data packet to obtain required sensor data and image data, so that original data is provided for subsequent data processing and analysis.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO

Wireless module supporting high-speed data transmission

The utility model provides a wireless module supporting high-speed data transmission, comprising a transmission assembly, the transmission assembly comprises a housing, a support column, a positioning column, a mainboard, a positioning hole, a main control chip, a radio frequency chip, a power amplifier, a low noise amplifier and an antenna connection module; supporting columns are welded to the four corners of the inner bottom wall of the shell correspondingly, and positioning columns are welded to the centers of the tops of the four supporting columns correspondingly. According to the wireless module, high-speed data transmission is supported through a high-speed data processing algorithm and a modulation and demodulation function built in the main control chip, the transmission speed can reach hundreds of Mbps or even Gbps, and meanwhile, the stability and the anti-interference capability of the wireless module are improved through circuit design optimization, high-performance component selection and reasonable layout and wiring; the high-speed data transmission system is high in transmission speed, good in stability, high in anti-interference capability and low in power consumption, so that the communication requirements of different intelligent devices for high-speed data transmission are met, and powerful support is provided for development of the wireless communication technology.
Owner:SHENZHEN BILIAN ELECTRONICS LTD

Network communication method and system based on type identification

The invention relates to the technical field of network communication, in particular to a network communication method and system based on type identification, non-public network equipment is connected with a host I through a wired signal, a host II is connected with target user equipment through a wired signal, the non-public network equipment establishes a type identification signal, and the host II establishes a type identification signal. The first host transmits a type identification signal to a sending end through a source port in a UCB packet encryption mode, a target port of the second host receives the encrypted type identification signal, a ciphertext is decrypted into a plaintext, the plaintext is displayed on the second host, and then the plaintext is transmitted to target user equipment. According to the network communication method and system based on the type identification, distribution of all link resources is completed by adopting an iterative optimization mode during redistribution of the network throughput, the network throughput is improved on the premise of considering the actual communication capability of a transmission link and the current task execution state, a higher communication effect is achieved, and the network throughput is improved. And the communication requirement of the user is met.
Owner:JIANG SU XIN YOU PENG KE JI YOU XIAN GONG SI