17results about How to "Extend signal coverage" patented technology

The invention provides an industrial telephone communication signal enhancement method and system. The method comprises the following steps: step 1, acquiring historical communication signal data, real-time communication signal data and environment data of an industrial telephone; according to the method, the signal interference recognition model is constructed, the interference signal features are accurately recognized, interference is removed through the intelligent filtering algorithm, the problems of signal strength weakening and call quality reduction caused by electromagnetic interference are effectively solved, meanwhile, the influence of environmental factors such as temperature and humidity on communication signals is considered, corresponding compensation measures are adopted, and the communication quality is improved. The adaptability and the stability of the system in a complex industrial environment are improved; signal relay equipment is arranged, so that the signal coverage range is effectively expanded, and efficient communication and coordination among departments in industrial production are ensured; dynamic adjustment is carried out according to the communication signal quality monitored in real time, it is guaranteed that the system is in the optimal working state all the time, and the intelligent level and stability of the system are improved.

The invention relates to the technical field of wireless communication, and discloses a transmission and reflection array antenna which comprises a feed source, a dielectric substrate, M * N transmission units and m * n reflection units, the transmission unit comprises two transmission layers and two metal through holes, each transmission layer comprises a first metal sheet and second metal sheets on the two sides of the first metal sheet, and the two ends of each metal through hole are connected to the two first metal sheets; the reflection unit comprises a first reflection layer and a second reflection layer, the first reflection layer comprises a third metal sheet and fourth metal sheets on the two sides of the third metal sheet, and the second reflection layer is a fifth metal sheet; the feed source can radiate a first polarized signal and a second polarized signal which are orthogonal to each other to the dielectric substrate side; by adjusting the size of each metal sheet, the transmission unit can generate a preset phase shift value for transmitted electromagnetic waves, and the reflection unit can generate a preset phase shift value for reflected electromagnetic waves, so that the antenna can realize two-way communication, the signal coverage range is expanded, and meanwhile, radiation beams in required shapes are formed.

The invention relates to the technical field of emergency broadcasting, and discloses a traffic accident broadcasting method, a GNODEB base station, equipment and a medium. The method comprises the following steps: acquiring to-be-broadcasted traffic accident information at a traffic accident occurrence place; according to the road direction of the traffic accident occurrence place, the orientation of the directional antenna of the GNODEB base station is set, so that the GNODEB base station transmits in the road direction of the traffic accident occurrence place, and the signal coverage range of the GNODEB base station in the road direction of the traffic accident occurrence place is enhanced while the signal coverage range of the GNODEB base station in the road direction of the traffic accident occurrence place is increased. The signal coverage range of the GNODEB base station in the road direction of a non-traffic accident occurrence place is reduced; according to the embodiment of the invention, the traffic accident information is sent to the air interface, and the traffic accident information is broadcasted, so that the terminal equipment obtains the traffic accident information through the air interface within the signal coverage range of the GNODEB base station, the cost of broadcasting the traffic accident information can be reduced, and the broadcasting range is expanded.

The invention relates to the field of access control, in particular to an access control method and system based on the ultrahigh frequency RFID technology, and the method comprises the following steps: S1, setting a multi-antenna array through distributed layout according to the size, shape and personnel flow condition of an access control area; s2, according to a Hyperledger Fabric block chain platform, nodes are deployed at different positions through a distributed node architecture; s3, the artificial intelligence model is trained by collecting data in the access control system, the trained artificial intelligence model analyzes and detects the data in the access control system in real time, and abnormal behaviors and events are recognized; and S4, displaying each data in the access control system on a management platform in a visual mode, and providing data analysis and optimization management according to an authority management mechanism. The safety of the access control system can be improved, the reliability of the access control system is improved, the intelligent level of the access control system is enhanced, and the management efficiency of the access control system is improved.

The invention discloses a maglev horizontal curve track section millimeter wave base station site selection method, device and equipment and a medium, is applied to the technical field of track traffic, and aims to solve the problem of inaccurate site selection of a maglev horizontal curve track section millimeter wave base station, and the method comprises the following steps: establishing a high-speed maglev millimeter wave horizontal curve track coverage model; according to the high-speed magnetic levitation millimeter wave horizontal curve track coverage model, calculating the position of the ground base station relative to the track under the condition that the track coverage length of the ground base station is maximum; determining the position of the ground base station relative to the track as the site selection position of the ground base station; according to the method, the site selection position of the ground base station can be accurately determined, the station distribution cost can be reduced, the cell edge position signal coverage range can be improved, and the performance of millimeter wave system equipment can be improved.

The invention discloses a 5G communication equipment signal enhancement antenna folding structure which comprises a case, a sliding rail is fixedly connected in the upper side of the case, a sliding block is slidably connected in the sliding rail, a first rotating shaft is rotatably connected in the upper side of the sliding block, and a rotating disc is fixedly connected to the upper portion of the first rotating shaft. Two sets of rotating plates are fixedly connected to the upper side of the rotating disc, a second rotating shaft is rotatably connected between the rotating plates, a supporting plate is fixedly connected to the outer side of the second rotating shaft, a connecting block is fixedly connected to one side of the upper portion of the supporting plate, a lifting block is fixedly connected to the other side of the connecting block, and a connecting frame is slidably connected to the outer side of the lifting block; a connecting plate is fixedly connected to the other side of the connecting frame, four sets of rotating blocks are fixedly connected to the two sides of the upper side of the connecting plate, third rotating shafts are rotationally connected to the sides, facing each other, of the rotating blocks on the same side, antennas are fixedly connected to the sides, facing each other, of the third rotating shafts on the upper side and the lower side, and the carrying safety is improved.

The invention provides a router assembly capable of expanding a coverage area, and relates to the technical field of routers, and the router assembly comprises a router body and an extension coverage assembly. The signal antenna is electrically connected with a connecting line, the other end of the connecting line is electrically connected with an SMA seat on the router body, the bottom of the signal antenna is fixedly connected with a fixing seat, the bottom of the fixing seat is provided with a mounting groove, and a balancing weight is fixedly embedded in the mounting groove. Through the arrangement of the connecting line and the signal antenna, a bedroom can have the same wireless internet surfing speed as a living room, the signal coverage range of the router body can be enhanced, the signal antenna layout method is simple and rapid in connection, and through actual measurement of 2G throughput and 5G throughput, the high-speed internet surfing of the living room can be met, and the wireless internet surfing speed of the living room can be improved. And the problem that the WI-FI signal of a master bedroom separated by two walls is very weak and the Internet access speed is slow due to the fact that four antennas of a traditional router body are all in a living room can be solved.

The utility model relates to a radio frequency circuit and communication equipment. The radio frequency circuit comprises a chip transceiving assembly, a power divider and an antenna transceiving assembly, the chip transmit-receive assembly comprises a signal bidirectional transmission end. The two-way signal transmission ends are connected with the input ends of the power dividers in a one-to-one correspondence manner; the output ends of the power divider are respectively connected with different antenna transmit-receive assemblies. Thus, distribution of signal power is realized by using the power dividers, the power of signals received by the antenna transmit-receive assemblies corresponding to the power dividers is reduced, the sum of the power of the signals radiated by the antenna transmit-receive assemblies in the free space is high, and a good signal coverage range is ensured while the SAR authentication standard is met.

The invention relates to the technical field of Internet communication, and discloses a 5G millimeter wave communication signal propagation method, which comprises the following steps: S1, frequency spectrum planning: performing real-time measurement and monitoring on frequency spectrum resources through a professional frequency spectrum measuring instrument, and analyzing the frequency spectrum according to measured and monitored data; s2, beam forming is optimized, a signal radiation pattern is constructed, signals are focused at the position where a user is located, and the efficiency and quality of signal transmission are improved; s3, the frequency spectrum efficiency is improved, a plurality of transmitting antennas and receiving antennas are dynamically arranged according to requirements to increase the communication capacity, and frequency spectrum resources are reasonably and efficiently utilized; s4, communication signal processing: performing adaptive modulation on prediction of dynamic monitoring, timely mastering the situation of atmosphere and rainwater, and adjusting the power and frequency of the signal; and S5, signal penetrability is improved, the penetrating effect of the antenna is changed through the antenna with the adjustable height and angle, and adaptive adjustment is reasonably applied.

The invention discloses a large-capacity wireless dump system based on private network 5G communication and a control method, and the system comprises a vehicle-mounted subsystem which comprises a vehicle-mounted dump host and vehicle-mounted antennas, and the vehicle-mounted dump host is connected with the two vehicle-mounted antennas through two Ethernet interfaces; the ground subsystem comprises a ground dump server, an optical fiber communication switch and two ground base stations; two Ethernet interfaces of the vehicle-mounted dump host are connected with the ground base station through the vehicle-mounted antenna and then form a local area network with the ground dump server; the ground dump server is used as a DHCP server, and two network cards of the vehicle-mounted dump host are used as DHCP clients to dynamically acquire an ip address from the ground dump server so as to realize data transmission. The control method is implemented based on the system. The method has the advantages that the structure is simple and compact, the implementation is easy, the wireless network communication signal quality can be improved, the effective data transmission time is prolonged, and the success rate and integrity of data downloading are improved.

The utility model provides an intelligent fire-fighting cabinet, and relates to the technical field of fire-fighting cabinets, the intelligent fire-fighting cabinet comprises: a main cabinet, a wireless radio frequency identification (RFID) reader-writer is arranged in the main cabinet; an RFID antenna and a multi-degree-of-freedom holder are arranged in the auxiliary cabinet; the multi-degree-of-freedom holder comprises a rotating end and a fixed end, the rotating end is connected with the RFID antenna located in the same auxiliary cabinet with the rotating end, and the fixed end is fixed to the inner wall of the auxiliary cabinet where the fixed end is located. And the RFID antenna in each auxiliary cabinet is coupled with the RFID reader-writer. According to the utility model, the defect that a large number of RFID antennas are arranged in a fire-fighting cabinet in the prior art can be overcome, the purpose of reducing the design complexity and the production cost of the fire-fighting cabinet by reducing the number of the RFID antennas arranged in the fire-fighting cabinet is achieved, and the signal coverage range can be increased based on the design of a multi-freedom holder; the situations of missed reading, serial reading, reading failure and the like of the labels are prevented, and the accuracy and convenience of the intelligent fire-fighting cabinet on article management are improved.

The invention relates to a 4G terminal connecting plate, and belongs to the technical field of communication, and the 4G terminal connecting plate comprises a plate body; the 4G module is integrated on the board body; the power supply module is integrated on the board body, is in communication connection with the 4G module and is used for supplying power to the 4G module; the startup module is integrated on the board body, is in communication connection with the 4G module and is used for starting up the 4G module; the SIM card module is integrated on the board body, is in communication connection with the 4G module and is used for sending and receiving data; and the serial port communication module is integrated on the board body, is in communication connection with the 4G module, and can communicate with an external single-chip microcomputer. The 4G module is adopted to replace Bluetooth transmission, so that the data transmission distance is increased, and the real-time performance, accuracy, safety and universality of data transmission are improved.

This invention discloses a distributed beamforming method, system, and apparatus for low-Earth orbit satellites, comprising: acquiring ground user location information and satellites to be communicated with; calculating the transmission paths between multiple satellites and ground users and obtaining the superimposed signal of electromagnetic waves at the ground end; calculating the superimposed power distribution of the ground electromagnetic waves based on the superimposed signal; constructing an objective function that maximizes the average received power of all ground users and the fairness of ground users based on the calculated superimposed power distribution of the ground electromagnetic waves; calculating the optimal satellite and its corresponding initial transmission phase within the selectable set, indirectly controlling the transmission distance from the satellite to the ground end to control the final phase of the electromagnetic waves received by the receiver, thereby maximizing the overall power gain of multiple ground receiving terminals and the fairness among each individual ground user, providing ideal power gain regardless of the location of the ground user, and simultaneously covering multiple users.

The present application discloses a streetlight antenna. The streetlight antenna at least comprises a streetlight pole and an active antenna unit, wherein the active antenna unit at least comprises an integrally formed outer shell, an integrally formed inner shell and two support covers, wherein the outer shell and the inner shell are arranged between the two support covers, and the support cover is used to fix the active antenna unit on the streetlight pole. In this way, the present application can install the active antenna unit on the streetlight pole to improve the signal coverage of the active antenna unit.

An electronic device for use in a wireless communication network. The electronic equipment comprises a receiving circuit, a decryption circuit, an address conversion circuit, an encryption circuit and a transmitting circuit. The receiving circuitry is to receive a wireless packet. The decryption circuit is coupled to the receiving circuit and is configured to decrypt the received wireless packet to generate decrypted packet data. The address conversion circuit is coupled to the decryption circuit and is used for converting the information of the recorded at least one media access control address of the decrypted packet data to generate converted packet data, so that the electronic device is disguised as a wireless access point device or a site device. The encryption circuit is coupled to the address translation circuit and is configured to encrypt the translated packet data to generate an encrypted wireless packet. The transmit circuit is coupled to the encryption circuit and is configured to transmit the encrypted wireless packet.

The utility model relates to the field of router antennas, in particular to a router antenna with a folding function. The router antenna with the folding function comprises a router body, supporting frames, main antennas and auxiliary antennas, the supporting frames are arranged on the left side and the right side of the router body respectively, the main antennas are rotationally arranged on the front sides in the supporting frames respectively, and the auxiliary antennas are hinged to the rear ends of the main antennas respectively. According to the utility model, through the design of the main antenna and the auxiliary antenna, the signal receiving and transmitting capability can be effectively enhanced, the network performance is improved, meanwhile, the unique foldable design is very practical, and the router is small in size and convenient to carry and store in a folded state; and when the antenna needs to be used, the antenna is unfolded, the signal coverage range can be expanded, the use requirements of a user in different scenes are met, and portability and signal quality are both considered.

The invention discloses a multifunctional intelligent central control system based on a reconfigurable intelligent surface technology. The system comprises an intelligent central control screen display and interaction module, a multi-device management and control module, an energy consumption management module, a signal optimization and dynamic adjustment module and a reconfigurable intelligent surface RIS module. According to the invention, the reconfigurable intelligent surface RIS module is integrated on the intelligent central control screen, the reconfigurable intelligent surface RIS technology is utilized to reflect, refract or scatter the signal by adjusting the phase and the amplitude, and the wireless signal transmission path between the intelligent devices in the home environment is optimized in real time, so that the signal coverage range can be expanded, the communication quality can be enhanced, and the user experience can be improved. According to the intelligent home control system, stable connection of the home devices is ensured, the signal problem encountered in the current intelligent home system is solved, in addition, the functions of intelligent device management, interaction control, scene mode setting and energy consumption optimization are integrated, and convenient and stable intelligent home control experience is provided for users.