23results about How to "Improve signal coverage" patented technology

The invention provides a 6G communication vanadium dioxide dual-function terahertz metasurface and coding metasurface, the vanadium dioxide dual-function terahertz metasurface comprises at least one metasurface unit structure, and each metasurface unit structure comprises a silicon layer, an intermediate dielectric layer and a phase change layer which are sequentially arranged from top to bottom. The silicon layer is a square silicon column with the same side length, the four corner positions of the square silicon column are corner square blocks with the same side length, the maximum length of the corner square blocks located on the same side of the square silicon column forms the structural side length of the square silicon column, and the phase change layer is a square block which is made of vanadium dioxide and has the same side length. Vanadium dioxide of the phase change layer is in a medium state, and the metasurface unit structure transmits terahertz wave beams. At high temperature, vanadium dioxide of the phase change layer is in a metal state, the metasurface unit structure reflects terahertz wave beams, and the terahertz coding metasurface is designed based on the vanadium dioxide dual-function terahertz metasurface and can be applied to the field of 6G communication.

The invention relates to a dual-frequency electromagnetic metasurface unit, array and method for enhancing underground signal coverage, and the metasurface unit comprises a dielectric layer which comprises a first dielectric layer and a second dielectric layer; the surface of the first dielectric layer is provided with a metal resonance layer, and a metal isolation layer is arranged between the two dielectric layers; feeder lines are arranged at the bottoms of the two dielectric layers; a first resonance piece of the metal resonance layer is located in the middle of the surface of the first dielectric layer, and a first metal column penetrating through the first resonance piece and the first dielectric layer is arranged in the middle of the first resonance piece; the second resonance piece and the third resonance piece are respectively positioned on two adjacent side parts of the surface of the first dielectric layer and are connected with the first resonance piece through a diode; one end of the second resonance piece and one end of the third resonance piece are respectively provided with metal columns. One end of the feeder line is connected with the metal column. According to the dual-frequency electromagnetic metasurface unit, array and method for enhancing underground signal coverage, energy loss and radiation loss can be reduced, and the dual-frequency electromagnetic metasurface unit, array and method have efficient electromagnetic wave reflection capacity in a low frequency range.

The invention provides a vehicle-mounted wireless communication system for a new energy station, and belongs to the technical field of wireless communication, the system comprises an index module, a framework module, a topology module and a comprehensive module, and by obtaining user requirements and defining expected functions, formulating basic performance indexes, collecting station terrain and environment data, and identifying potential interference sources, a new energy station is established. The method comprises the following steps: constructing an infrastructure, dividing regions according to coverage requirements, drawing a network topological graph, ensuring signal coverage of each region, combining the infrastructure with the network topological graph to form a comprehensive system graph, improving the signal coverage rate of a new energy station, ensuring the stability of data transmission, and improving the reliability of data transmission. And the user satisfaction and the adaptive capacity and reliability of the system in a complex environment are improved.

The invention relates to an antenna matching optimization method and system. The antenna matching optimization method comprises the following steps: dividing a to-be-covered area into a plurality of sub-areas; an antenna is arranged in each sub-region; each antenna is connected with a main signal source through a power divider; and adjusting the direction of the antenna in each sub-region based on the building structure feature, the environment feature and the people flow distribution density of each sub-region. According to the antenna matching optimization method and system, the power of the main signal source is reasonably distributed to the antennas through the power divider, the directions of the antennas in the sub-regions are adjusted according to the building structure features, the environment features and the people flow distribution density of the sub-regions, the method and system can adapt to complex indoor and outdoor environments, and the antenna matching optimization efficiency is improved. According to the method, signal blind areas or signal weak coverage areas are avoided, the problem of insufficient signal coverage is solved, the signal coverage effect is improved, the communication quality and the user experience are improved, and the method has wide application prospects and important practical value.

The invention relates to the technical field of output power control, and particularly discloses a method and system for controlling the output power of a base station transmitter, and the method comprises the steps: S1, setting a signal strength threshold value, and determining the lowest output power; acquiring minimum power data of the base station under different user density loads, and generating a minimum power curve; s2, setting an acquisition period, monitoring the user density load of the base station in each period, and obtaining a daily user density load curve; determining an ascending interval and a descending interval according to the maximum value point and the minimum value point, and determining an adjustment time point; obtaining an adjustment interval according to the adjustment time point, and obtaining target power; s3, acquiring the user density load of the current base station in real time, and generating a current load curve; by comparing the corresponding parts of the current load curve and the load standard curve, the offset and the lifting amount are obtained in real time; and correcting the next adjustment time point to obtain a predicted adjustment time point and a corresponding predicted target power.

The invention relates to a brain-computer interface system which comprises a flexible electrode array, a receiving device, a flexible connecting wire and external equipment, wherein the flexible electrode array is implanted into a meninx middle artery in a minimally invasive manner through a superficial temporal artery puncture and a vascular intervention procedure; the receiving device is embedded under the skin of a head and is provided with a signal transmitter; the external equipment is provided with a signal receiver. A flexible electrode array is implanted in an anterior branch or posterior branch of a main branch of a middle meninx artery through a superficial temporal artery intravascular minimally invasive technology, the number of electrodes and the array are arranged according to needs, and a receiving device buried in the subcutaneous part of the head is electrically connected with the flexible electrode array implanted in the middle meninx artery. Craniotomy is not needed, operative complications are avoided, minimally invasive implantation reaches the surface of the cerebral cortex, operation of a doctor is easier, the operation time is shortened, and the comfort level of a patient is improved.

The invention provides an antenna module, a mobile terminal and a communication base station, the antenna module comprises a plurality of connected antenna array units, each antenna array unit comprises a plurality of radiation patches arranged in an array, and the plurality of radiation patches are located on the same plane; each antenna array unit is used for generating a directional wave beam in a corresponding radiation direction, and an included angle is formed between planes where any two adjacent antenna array units are located, so that the radiation directions of the directional wave beams generated by the antenna array units are different. According to the antenna module disclosed by the invention, the directional wave beams in different radiation directions are generated by arranging the plurality of connected antenna array units, so that the coverage of radiation ranges in multiple directions is realized, the signal coverage capability of the antenna module is enhanced, the space is saved, and the production cost is reduced.

The present invention discloses a signal planning method, device and medium based on a pre-deployment and fine-tuning strategy, and relates to the technical field of wireless communication. In the pre-deployment stage, the signal overlapping area between all wireless access points in a target detection area is obtained, the minimum area of ​​the signal overlapping area between the wireless access points is defined as a first optimization target, the positions of the wireless access points are globally adjusted, the optimal position with the minimum overlapping area is obtained, the overlapping area between the wireless access points is minimized, and on the basis of the optimal position, the wall loss and the regional priority are considered, and the second optimization target is defined to search for the precise position. Based on the second optimization target, the optimal position is adjusted in combination with the quasi-Newton method L-BFGS to obtain the final coordinates of the wireless access point, so that the deployment position of the wireless access point can be determined more accurately, the most advanced signal quality is achieved, a high signal coverage rate is realized, the signal coverage dead zone is reduced, and the deployment efficiency is ensured.

The invention discloses a multi-band collaborative optimization pico-base station system and method based on AI, and relates to the technical field of 5G communication. The system comprises a dual-band radio frequency module, an AI decision unit, an industrial protocol conversion unit and an intelligent power management module. The method comprises the following steps: acquiring signal data in real time, calculating an interference index and identifying an interference source type, and dynamically selecting a working frequency band and emission parameters by adopting a reinforcement learning model; meanwhile, an industrial protocol conversion function is integrated, native access of protocols such as Profinet / Modbus is supported, and power consumption is adjusted according to load changes. According to the invention, the defects of the existing pico-base station in the aspects of multi-band interference, industrial scene adaptation and energy consumption control are overcome, the coverage performance can be improved by 15-20%, and the interference processing response time is lt; the average energy consumption is reduced by 25%, and the system is particularly suitable for complex scenes such as intelligent manufacturing and transportation hubs.

The embodiment of the invention provides a millimeter wave base station, a communication method and a storage medium, and belongs to the field of communication. The millimeter wave base station comprises a baseband processing unit, an intermediate frequency processing unit and N distributed active antenna units, wherein each distributed active antenna unit is composed of a radio frequency unit and an antenna unit; the baseband processing unit is connected with the intermediate frequency processing unit, and the intermediate frequency processing unit is connected with the N distributed active antenna units; the N distributed active antenna units are used for transmitting a plurality of wave beams at different positions of a target indoor area so as to realize signal coverage of the target indoor area, and the target indoor area is an indoor area in which signals are to be deployed. According to the millimeter wave base station provided by the embodiment of the invention, the beam coverage range which can be provided by a traditional active antenna unit can be achieved without using more baseband resources and intermediate frequency resources, so that the deployment cost of the millimeter wave base station is reduced, and the signal coverage performance of the millimeter wave base station is also improved; and a signal blind area or a signal weak area in an indoor area is avoided.

The invention belongs to the technical field of wireless communication, and discloses an Internet of Things data security communication device and method based on multiple antennae, and the method comprises the following steps: employing visible light as a carrier wave, combining a multiple-input-multiple-output (MIMO) technology and a visible light communication technology, and achieving the high-efficiency and secure communication in a loose missile noise environment; a physical layer safety communication mechanism based on visible light is designed, and high confidentiality of communication is ensured; a signal detection method suitable for the MIMO visible light communication system is developed, and interference between users is effectively reduced; the antenna layout design is optimized by adopting a genetic algorithm, and the communication stability of the system under low power is improved. The method is suitable for scenes with high requirements on communication safety and reliability such as the Internet of Things, the communication quality and safety of the industrial Internet of Things can be improved, and reliable communication guarantee is provided for intelligent manufacturing.

The present invention provides a vanadium dioxide dual-function terahertz metasurface and a coding metasurface for 6G communication. The vanadium dioxide dual-function terahertz metasurface includes at least one metasurface unit structure, wherein each metasurface unit structure includes a silicon layer, an intermediate dielectric layer and a phase change layer which are sequentially arranged from top to bottom, the silicon layer is a square silicon column with the same side length, and the four corner positions of the square silicon column are corner blocks with the same side length, the maximum length of the corner blocks located on the same side of the square silicon column constitutes the structural side length of the square silicon column, the phase change layer is a block with the same side length made of vanadium dioxide, when at room temperature, the vanadium dioxide of the phase change layer is in a dielectric state, and the metasurface unit structure transmits a terahertz beam; when at high temperature, the vanadium dioxide of the phase change layer is in a metallic state, and the metasurface unit structure reflects the terahertz beam, and a terahertz coding metasurface is designed based on the vanadium dioxide dual-function terahertz metasurface, which can be applied to the field of 6G communication.

The invention discloses a wireless multi-frequency adaptive all-optical-port router, and relates to the technical field of routers. Comprising a machine shell, an outer cover is fixedly connected to the upper surface of the machine shell, wireless receiving rods are installed on the periphery of the outer cover, an optical port detachable module is installed in the machine shell, the angles of multiple antennas can be adjusted at the same time by rotating a crank through arrangement of a quick adjusting mechanism, the adjusting time is saved, and the working efficiency is improved; especially in a scene where the antenna angle needs to be frequently adjusted to optimize the network performance, higher consistency is generally achieved compared with a manual single adjustment mode, a user can complete adjustment of multiple antennas only through simple handle rotation operation, manual adjustment one by one is not needed, the operation process is simplified, and the user experience is improved. The method is particularly friendly to users who are not familiar with network equipment, and is beneficial for ensuring that the angle of each antenna can reach the optimal state, thereby improving the overall network performance and signal coverage.

The embodiment of the present invention relates to the technical field of wearable device manufacturing, and discloses a wearable device, including: a metal frame, a mainboard and an antenna, wherein the mainboard is fixed in the area surrounded by the metal frame; the antenna includes a first radiation unit and a second radiation unit; the metal frame serves as the first radiation unit, and the second radiation unit and the first radiation unit are electrically connected to the main antenna signal end of the mainboard through a connector. The present invention adds a second radiation unit sharing a feeding point with the first radiation unit on the basis of using the metal frame as the first radiation unit of the antenna, so that the antenna can cover signals of different frequency bands, thereby enhancing the antenna function of the wearable device.

The utility model relates to camera technical field, concretely is a camera for camera, this camera includes support, high -speed ball machine, WiFi antenna, take photograph member and mounting piece, high -speed ball machine sets up at the bottom of support, and the both ends of support are set up at the side far from high -speed ball machine WiFi antenna, take photograph member sets up at one side of high -speed ball machine, and mounting piece is located at both ends of take photograph member, mounting piece includes mounting frame, limit post, spring, connecting column and limit rod, limit post distributes at both ends of take photograph member, and mounting frame is sleeved at the outside of limit post, and spring is fixed at the inside of mounting frame, and connecting column is fixed at the bottom surface of spring, and limit rod is fixed at the upper surface of connecting column, and the top of limit rod is inserted in limit post, and the bottom of connecting column outside is provided with the gap that has set up in the outside of connecting column, and the utility model has the advantages of simple structure, reasonable in design, functional, can complete the advantage of quick and complete to mounting panel dismounting.

The present invention discloses a method and device for optimizing coverage of a millimeter wave system, an electronic device, and a storage medium, including: counting the energy optimization values ​​of the optimal beams of all UEs received by cells under all codebooks to obtain a set of energy optimization values ​​for all codebooks; selecting the optimal energy optimization value from the energy optimization value set according to a preset optimal selection strategy; and determining the codebook corresponding to the optimal energy optimization value as the optimal codebook in the current scenario. Through the embodiments of the present invention, the optimal codebook suitable for the current scenario can be screened out, and the optimal codebook can be used to increase the cell capacity, provide better access and services for the cell, provide better signal coverage for UEs, cover more UEs, and improve the service performance of UEs, thereby improving user experience. The technology provided in this embodiment can be used for beam codebook configuration in different scenarios, affecting coverage performance and service performance in different scenarios.

The invention relates to the field of communication, in particular to an automatic adjustment method and system for a voice communication system, and the method comprises the steps: setting a base station group, and then regularly collecting the positioning coordinates of a ground temporary base station, an unmanned aerial vehicle mounted base station, and terminal equipment within the coverage range of the unmanned aerial vehicle mounted base station; whether the ground temporary base station moves or not is judged by collecting the first positioning coordinates of the ground temporary base station so as to obtain the newest coverage range of the ground temporary base station, and crowd flow is analyzed through the third positioning coordinates of the terminal equipment; and finally, adjusting the position of the unmanned aerial vehicle based on the crowd flow data to realize signal following, and limiting the position of the unmanned aerial vehicle hanging base station within the coverage range of the corresponding ground temporary base station during adjustment so as to realize expansion or relaying of the coverage range of the ground temporary base station. According to the invention, good signal coverage, coverage expansion and signal relay can be realized by using the unmanned aerial vehicle when the ground temporary base station and the coverage crowd flow.

The utility model relates to the technical field of unmanned aerial vehicle countering devices, and discloses composite unmanned aerial vehicle countering equipment which comprises a base, a supporting column and a transmitting antenna, a first mounting cavity is formed in the center of the upper surface of the base, and a first servo motor is fixedly connected to the center of the inner bottom face of the first mounting cavity; a first bearing is fixedly connected to the upper end of the inner wall of the first mounting cavity, a rotating column is fixedly connected to an output shaft of the first servo motor, a second mounting cavity is formed in the middle of the outer wall of one side of the supporting column, and a mounting groove is formed in the middle of the upper surface of the supporting column; and second bearings are fixedly connected to the middle parts of the inner walls of the front end and the rear end of the mounting groove. According to the composite unmanned aerial vehicle countering device, the rotating column is conveniently driven to rotate through the first servo motor, then the angle of the transmitting antenna is adjusted, the signal coverage area of the composite unmanned aerial vehicle countering device is increased, and the countering cost of the unmanned aerial vehicle is reduced to a certain extent.

The invention provides an intelligent positioning device and method for a sports watch, and relates to the technical field of intelligent positioning, and the device comprises a positioning module setting unit which is used for setting a multi-source positioning module in a target sports watch, and comprises a main positioning channel and an auxiliary positioning channel; the positioning characteristic analysis unit is used for performing positioning characteristic analysis, acquiring characteristic parameters of the main positioning device and acquiring a multi-source watch positioning information set at the same time; the indoor positioning judgment unit is used for acquiring watch fusion positioning information and judging whether the watch is located indoors or not; the moving speed acquisition unit is used for acquiring auxiliary positioning information of the watch and acquiring moving speed information if yes; and the positioning information acquisition unit is used for determining synchronous positioning information of the sports watch. The technical problem that the use range and scene adaptability of the watch are affected due to the fact that the sports watch in the prior art usually adopts a single positioning mode and cannot adapt to different scene requirements in a complex and changeable use environment is solved.

The application provides a 2D structure chiplet test layout design method. The method uses a hexagonal arrangement for each test point, and uses a test PIN to connect six signal pins to reduce the signal lead-out end. The test circuit with switching function is designed to realize independent control of each test PIN. The test process is designed according to the control signal of the test circuit to realize single chiplet self-test and cascade test, thereby judging the signal connectivity. Under this design method, the test PIN and the adjacent signal PIN are arranged at equal distances, the single test PIN is controlled, the test can be performed one by one, and the cascade test is performed after the single chiplet self-test, so as to improve the test efficiency and accuracy. In addition, the chiplet layout is arranged in a hexagonal manner, the signal pin coverage is improved, the number of test PINs is reduced, and the signal transmission efficiency under the same area is improved.

The present invention relates to the field of signal processing, and discloses a microwave signal transmission method based on non-line-of-sight microwave equipment, including: determining the communication demand of a signal transmission area, determining the microwave frequency band of the signal transmission area; constructing a MIMO antenna structure of the signal transmission area, calculating the spatial separation of the MIMO antenna structure, and constructing a MIMO microwave equipment of the signal transmission area; marking the reflection key nodes of the signal transmission area, constructing a reconfigurable unit of the reflection key nodes, configuring a channel state optimization algorithm of the reconfigurable unit, integrating the reconfigurable unit and the channel state optimization algorithm, obtaining an intelligent reflection surface of the reflection key node, configuring an SDN network of the signal transmission area, analyzing the channel state of the microwave signal, analyzing the reflection parameters of the intelligent reflection surface using the channel state optimization algorithm, and performing efficient transmission of the microwave signal based on the reflection parameters. The present invention can improve the signal quality of microwave signals in a non-line-of-sight transmission environment.

The invention discloses a signal planning method and device based on a pre-deployment and fine tuning strategy, and a medium, and relates to the technical field of wireless communication, in a pre-deployment stage, signal overlapping regions among all wireless access points in a target detection region are obtained, the minimum area of the signal overlapping regions among the wireless access points is defined as a first optimization target, and the minimum area of the signal overlapping regions among the wireless access points is defined as a second optimization target; globally adjusting the positions of the wireless access points, obtaining the optimal position with the minimum overlapping area, reducing the overlapping area between the wireless access points to the maximum extent, on the basis of the optimal position, considering the wall loss and the area priority, defining a second optimization target to search for the accurate position, and on the basis of the second optimization target, searching for the accurate position. The optimal position is adjusted in combination with the quasi-Newton method L-BFGS to obtain the final coordinate of the wireless access point, so that the deployment position of the wireless access point can be more accurately determined, the most advanced signal quality is achieved, the high signal coverage rate is realized, the signal coverage dead zone is reduced, and the deployment efficiency is ensured.

The utility model provides a movable communication base station, which comprises a moving assembly and a communication assembly, the moving assembly comprises a bottom frame, a handle, a mounting plate and a lifting assembly, the lifting assembly is arranged between the bottom frame and the mounting plate, the handle is arranged on the upper side surface of the bottom frame, and the front side surface and the rear side surface of the bottom frame are respectively provided with a fixing assembly. Compared with the prior art, the base station has the following beneficial effects that the base station is provided with the bottom frame, and the fixing rod is abutted against the ground, so that the stability of the base station after movement can be effectively enhanced, and communication interference caused by shaking or displacement in the use process is reduced; the base station is ensured not to easily move accidentally during working, continuous and stable communication is ensured, and the height of the communication assembly can be flexibly adjusted according to actual requirements and use scenes by arranging the lifting assembly so as to obtain better signal coverage and transmission effects.