112results about How to "Improve signal coverage" patented technology

The invention provides a broadband radiating unit and an antenna array. The broadband radiating unit comprises a support Balun, a radiation arm, a feeding core, a positioning dielectric block, a positioning support snap, a parasitic radiation sheet and an oscillator pad. The radiation arm is above the support Balun, and an oscillator body is formed by the support Balun and the radiation arm. The feeding core is in the cylindrical hole of the support Balun and is coated and positioned by the positioning dielectric block. The oscillator pad is under the oscillator body. The parasitic radiation sheet is fixed above the positioning support snap which is fixed above the radiation arm. In antenna array, a PCB protruding column is arranged under the support Balun of each radiation unit, the PCB protruding column goes through a reflection plate and a PCB and then is welded to a microstrip grounding block, one end of the feeding core is connected to the oscillator body by using the mode of coupling feed, and the other end goes through the reflection plate and the PCB and then is welded to a microstrip line. The radiating unit of the invention has the advantage of simple assembly, few solders, flexible wire running of a back PCB, and higher intermodulation stability.

The invention discloses an indoor area WiFi positioning method and a system based on EKNN (Evidence K Nearest Neighbor). The positioning method comprises the following steps: a terminal scans WiFi signals, and a received signal strength indicator (RSSI) fingerprint is acquired; the scanned RSSI fingerprint is sent to a server in a wireless network communication mode; a region of interest class is divided, and a corresponding fingerprint database is built at the server side; a target attribution region class is recognized, and at the server side, through the integrated EKNN positioning algorithm, the target attribution region class is recognized; the target attribution region class is outputted to the terminal, and if no precise positioning is needed, the region class of the target is outputted; and finally, the EKNN algorithm is used for intra-class precise positioning. According to the WiFi positioning method based on the EKNN algorithm, requirements of indoor region of interest recognition and precise positioning are met, and the region recognition precision, the positioning precision and the positioning efficiency are enhanced to a certain degree.

The invention relates to cooperation method and system between a cellular network base station and a wireless local area network router. The cooperation method between the cellular network base station and the wireless local area network router comprises the steps that (1) the cellular network base station and the wireless local area network router respectively sense and collect information to sense the located network environments; (2) the cellular network base station and the wireless local area network router interchange respective network environment sensing information; (3) the cellular network base station and the wireless local area network router integrate the sensed information into a master control system, so as to generate a wireless resource management strategy; (4) the wireless resource management strategy is transmitted to the system and the opposite side, and is carried out after affirming of the opposite side is obtained. The method and the system have the beneficial effects that two network technologies of a cellular network and a wireless local area network can communicate and cooperate with each other in the deployment scene of the small base station, and provide optimal network coverage and an optimal Internet channel to a terminal user together.

The invention discloses a dual system independent downward inclination angle adjustment base station electrically-controlled antenna, and the antenna comprises a front radiating element and a back feed network. The feed network comprises a single combiner, a power dividing combiner and an independent phase shift part, the independent phase shift part comprises two layers, and the two layers can respectively and independently adjust an electrical downward inclination angle of one system, so that a dual system independent downward inclination angle adjustment function is realized. Each system adopts an independent feed cable network to form a vertical plane directional diagram, so that forming effect of each system can be effectively improved. Upper and lower phase shift modules comprised by the independent phase shift part and a middle power divider can commonly realize a six-way phase shift function, a good vertical plane forming effect can be acquired, feeder connection can be effectively dispersed, so that the assemblability and the index consistency can be greatly improved. The dual system sharing radiating element, independent forming and independent adjusting downward inclination angle base station electrically-controlled antenna scheme saves antenna resources and can effectively improve covering effect of each system.

The invention discloses a TD-SCDMA mobile communication method and a TD-SCDMA wireless indoor base station. The TD-SCDMA mobile communication method is as follows: a TD-SCDMA wireless indoor base station is arranged indoors; the TD-SCDMA wireless indoor base station is accessed to a mobile wireless network controller or a core network through wired network transmission medium. By realizing indoorcoverage for TD-SCDMA wireless signals through the TD-SCDMA wireless indoor base station, communication with a TD-SCDMA mobile terminal is realized. The method integrates the wired communication technology and the wireless communication technology and adopts the TD-SCDMA wireless indoor base station to provide a good signal coverage and sufficient frequency resource for a subscriber, and to support the high speed and broadband wireless access of the subscriber; the method also supports the transmission of the high speed or broadband data through the wired communication technology.

The invention provides a multifunctional intelligent street lamp. The street lamp comprises a base, a street lamp pole and a lamp holder, wherein an LED light source is arranged in the lamp holder; anenvironment monitoring system is arranged at the top of the streetlamp pole; the upper end of the streetlamp pole is connected with an auxiliary power generation module; the upper end of the street lamp pole is provided with a video monitoring system, a micro base station and an RFID radio frequency identification module; a multimedia display screen is also arranged on the street lamp pole; a charging pile is arranged at the lower end of the streetlamp pole; a control module, a storage battery and an energy charging conversion module are arranged in the street lamp pole; the storage battery is respectively connected with the control module and the energy charging conversion module; the energy charging conversion module is electrically connected with the auxiliary power generation module;and the control module is respectively connected with the environment monitoring system, the video monitoring system, the micro base station, the RFID radio frequency identification module, the multimedia display screen and the charging pile. The street lamp disclosed by the invention realizes monitoring and control in the fields of illumination, traffic, security and protection, environment and the like while meeting the reasonable utilization of electric energy resources, so that the life of people is more intelligent and diversified.

Transmission power regulation of a wireless access point (104) is described. In a method, a first indication of signal quality of a signal received by the access point (104) from a terminal (106) is acquired. An indication of a communication failure between the access point (104) and the terminal (106) is also acquired. Further, a second indication of signal quality of a signal received by the access point (104) from the terminal (106) after such an indication of communication is acquired. The first and second indications of signal quality are compared and the transmission power of the access point (104) is regulated according to the result of the comparison.

The invention discloses a relay system for improving indoor Internet of Things signal coverage. A scheduling module is used for judging the effective signal coverage capability of each relay equipment; when the corresponding relay equipment cannot provide the effective signal coverage range meeting the requirement due to the reasons of position change of the target object and the like, the corresponding relay equipment is controlled to move, whether the moving direction is beneficial to signal relay or not is judged; therefore, the corresponding relay equipment can improve the capability, range and quality of signal relay provided by the relay equipment, more indoor target objects can obtain better communication links, the overall effective coverage signal range of each relay equipment isexpanded, and the overall coverage of indoor Internet of Things signals is improved.

The invention provides a main device for wireless communication multi-network integration, an expansion device and a remote device, wherein the main device comprises an uplink main unit and a downlink main unit, wherein the downlink main unit is used for receiving main unit Internet access signals and mobile communication signals, respectively converting the main unit Internet access signals and the mobile communication signals into downlink network optical signals modulated by a first optical carrier and downlink optical signals modulated by a second optical carrier, carrying out wavelength division multiplexing on the downlink network optical signals and the downlink optical signals to form downlink multiplexing optical signals, and transmitting each path of downlink multiplexing optical signals to a downlink network element; and the uplink main unit is used for uplink multiplexing optical waves, decomposing the multiplexing optical waves into network optical signals modulated by the first optical carrier and uplink optical signals modulated by the second optical carrier, converting the network optical signals modulated by the first optical carrier into main unit Internet outputsignals and outputting the main unit Internet output signals through a network access interface, and converting uplink optical signals modulated by the second optical carrier into electric signals and outputting the electric signals through a radio frequency access interface. A distributed system is formed by adopting three devices so that multi-network signal fusion of Internet, mobile communication and the like is directly realized, and therefore, network operation stability and reliability are effectively enhanced.

The invention discloses a radio network coverage method, a radio network coverage device and a radio network coverage system. The radio network coverage method comprises the following steps that: a radio network coverage master node monitors a network environment, determines the working frequency point information of the master node and sends the frequency point information to a radio network coverage slave node through a Bluetooth interface; and the radio network coverage slave node receives the frequency point information of the master node through the Bluetooth interface, selects a frequency point, which accords with the frequency point of the master node, from the monitored network environment as a working frequency point, and issues the working frequency point to a secondary slave node. By the invention, radio network coverage cost can be reduced, network coverage quality is improved, and the defects of difficulty in communication network construction, high cost input and low network coverage quality in the prior art are overcome.

The invention relates to a method and a device for realizing wireless relay. The method comprises the following steps: when the signal strength of first electronic equipment in a wireless local area network is detected to be lower than a first preset threshold value, determining signal-to-noise ratios corresponding to at least one piece of second electronic equipment which already accesses the wireless local area network; determining a maximum signal-to-noise ratio from the signal-to-noise ratios corresponding to the at least one piece of second electronic equipment; and when the maximum signal-to-noise ratio is greater than a second preset threshold value, controlling the second electronic equipment corresponding to the maximum signal-to-noise ratio to enable a wireless relay function. Through the technical scheme, the technical problem of descending of the Internet surfing speed or incapability of surfing the Internet in the first electronic equipment due to insufficient signal coverage of a wireless router can be solved, and the second electronic equipment can be taken as a complementary hot spot of the wireless router to increase the signal coverage rate of the wireless local area network.

The invention belongs to the technical field of network communication, specifically relates to a wireless terminal and a wireless emission power adjusting method based on terminal control, and solves the technical problem of conventional unstable wireless communication. The method includes: S1, after the wireless terminal is connected with signals of wireless equipment, the wireless terminal compares the intensity of the received wireless signals of the wireless equipment with a preset signal intensity threshold; and S2, the wireless terminal notifies the wireless equipment of the adjustment of the wireless emission power thereof sent to the wireless terminal according to a comparison result. Compared with the prior art, the wireless terminal and the wireless emission power adjusting method based on terminal control are advantageous in that firstly, the design is reasonable, the signals are stable, and the energy-saving effect is effective; secondly, the problem of weak signals during communication can be effectively solved; and thirdly, the signal coverage of the wireless network can be extended, the interference in the wireless environment can be reduced, and the throughput is further increased.

The invention provides an iBeacon power management system and an iBeacon power management method based on an NB-IoT. The system comprises a single chip microcomputer module, and a Bluetooth module, anNB-IoT module and a power module separately connected with the single chip microcomputer, wherein the power module is an independent battery and each hardware module is powered by the power module. The system and the method provided by the invention adopt NB-IoT wireless data transmission of an operator, and support China Mobile, China Unicom and China Telecom networks, without using gateway andrepeater and without deploying a power source and a router, so that the large-scale deployment difficulty is reduced, and the smooth upgrade of the system can be achieved; compared with the traditional technology, the NB-IoT single connection module has relatively lower enterprise cost, and has the advantages of large connection quantity, good signal coverage quality and more stable wireless transmission, and is beneficial to large scale product popularization; the NB-IoT wireless communication technology has the characteristic of low terminal power consumption, and long use of the terminal can be ensured by only needing to be powered by the battery.

The invention discloses a joint resource allocation method based on user clustering and a Stackelberg model. The joint resource allocation method comprises the following steps: constructing a Femtocell double-layer heterogeneous network formed by mixing MBS and a plurality of FBS; establishing a path loss model according to the Femtocell double-layer heterogeneous network; secondly, proposing a distance measurement method based on path loss on the basis of a channel model, clustering densely deployed FBS in a cell by adopting a clustering algorithm, grouping users according to a clustering result, allocating different subcarrier channels to different user groups, and converting the densely deployed FBS into a sparsely deployed FBS scene; constructing a game model for controlling the powerbetween the MBS and the FUE according to the Stackelberg game model, wherein the MBS is a leading party of the game to price the interference power from the FUE, the FUE is a participant of the game to dynamically adjust the transmitting power of the FUE according to the interference pricing given by the MBS, and when the game reaches an equilibrium position, the interference income of the MBS andthe overall link rate of the FUE reach optimal solutions. The coverage range and the communication performance of the Femtocell network are improved.

The invention relates to the technical field of ships, in particular to a remote technical support system based on a satellite network. The system comprises a ship command platform, a shore-end service platform, a ship local area network and an operation platform, wherein the shore-end service platform is in signal connection with a satellite communication module; the satellite communication module is in signal connection with a first data transmitting and receiving module in the ship command platform; the first data transmitting and receiving module is connected to a first processor; the first processor is connected to an information acquisition unit through the ship local area network; the first processor is further connected to a first data processing module; a second processor is arranged in the shore-end service platform; the second processor is connected to a second data transmitting and receiving module; and the second processor is connected to a second data processing module. According to the system, the remote fault diagnosis and related technical support of the shore-based experts on shipborne equipment during sailing of the ship can be realized, audio and video interaction of the ship command platform on the front-end operating personnel is realized; the remote technical support is realized.

A method for synchronization control of signal coverage of a TD-SCDMA repeater comprises the steps of (a) collecting the power detection value of each time slot of each level of amplifier chain in an uplink and a downlink, and setting the maximum power value of each time slot of each level of amplifier chain; (b) regulating the output power of each time slot in each level of amplifier chain via abuilt-in auto level control (ALC) unit; (c) detecting the controlling depth and the maximum value of each level of amplifier chain in the downlink, and calculating the total ALC controlling depth andthe gain of the downlink; and (d) adding up the total ALC controlling depth and a set attenuation value of the uplink to obtain the total attenuation value of the uplink, and attenuating the power ofeach uplink time slot via a single-time slot attenuation module of the uplink by using the total attenuation value. At the same time, in each level of ALC, the power of each uplink time slot is attenuated according to the total attenuation value of the uplink, thereby resulting in real-time stable output of repeater signals and good signal coverage under the conditions of complex electromagnetic circumstance and large signal coverage difference.

The invention relates to a radio frequency antenna which comprises a polyhedron structure and a plurality of metamaterial radio frequency antennas, wherein the plurality of metamaterial radio frequency antennas are attached to the polyhedron structure; each metamaterial radio frequency antenna comprises an attaching medium, a feeder and a metal sheet, wherein the metal sheet is arranged on one surface of the attaching medium; the feeder is fed into the metal sheet in a coupling mode; and a micro groove structure is hollowed out on the metal sheet. According to the radio frequency antenna, the plurality of metamaterial radio frequency antennas are arranged on side surfaces of the polyhedron, so that the metamaterial radio frequency antennas on the side surface of the polyhedron can independently cover specific areas; and by designing the directional characteristics, gains and the like of each metamaterial radio frequency antenna, good signal coverage within a certain space or a whole space can be realized, and the overall radiation efficiency of a radio frequency antenna can be improved greatly.

The invention provides an intelligent home control system and an intelligent home control method. The intelligent home control system comprises a remote server, an operating terminal and home equipment, and also comprises monitoring equipment, wherein the operating terminal is used for transmitting network address information to the remote server; the monitoring equipment establishes communicationconnection with the home equipment, the monitoring equipment is internally provided with a gateway component, and the monitoring equipment is used for transmitting the gateway address information ofthe gateway component to the remote server; the remote server establishes point-to-point connection of the operating terminal and the monitoring equipment according to the network address informationand the gateway address information; when an operating command transmitted by the operating terminal is received by the monitoring equipment, the gateway component is used for transmitting a control command to the home equipment so as to control the running status of the home equipment; and the home equipment is used for transmitting running status information to the gateway component and transmitting the running status information to the operating terminal for observation. After the technical scheme is adopted, the intelligent home control system can be separated from the remote server by using the control of the operating terminal for the home equipment, so that the load of the remote server is greatly reduced, and the control efficiency of the home equipment is improved.

The invention provides a vehicle-mounted rearview mirror LTE antenna which comprises an antenna body. The antenna body comprises a flexible medium substrate which is attached in a support frame of a rearview mirror and is provided with a first surface back to the support frame, antenna main ground which is arranged at the lower part of the first surface of the flexible medium substrate and is provided with an upper edge inclined at an angle to increase the pitch between the antenna main ground and a radiator, a feeder line which is accessed from the inclined high end of the antenna main ground, a feeding point which is arranged on the first surface of the flexible medium substrate, is located on the inclined high end of the antenna main ground or close to the inclined high end of the antenna main ground, and is connected with the feeder line, and the radiator which is arranged at the upper part of the first surface of the flexible medium substrate and is connected with the feeding point for signal radiation. The vehicle-mounted rearview mirror LTE antenna provided by the invention has the advantages of small size and simple structure, and can be well combined with the rearview mirror to exhibit great antenna performances.

The invention discloses a wireless broadband communication system station distribution networking method and system based on a clustering algorithm, and the method comprises the steps: calculating a cluster center of a signal uncovered region in a map through a k-means algorithm in each iterative calculation, and improving the signal coverage of the uncovered region based on the fact that a base station moves to the cluster center of the uncovered region. The position of only one base station is moved in each iterative calculation according to an agreed movement rule so as to achieve the purpose of improving the signal coverage rate. Multiple iteration simulation calculations show that each iteration step can achieve the purpose of increasing the coverage rate, and finally the algorithm is converged to a better result. The physical significance of a scene can be closely combined, a result which is not less than that of a traditional site optimization method is finally obtained, but the operation speed is ahead of that of the traditional optimization method.

The invention discloses a locomotive braking data synchronism memory transfer method and a data memory transfer machine. The data memory transfer machine receives present braking data from a locomotive braking control unit (BCU) through a universal serial bus (USB) interface. The data is encrypted after the data memory transfer machine receives the present braking data. A present real-time timestamp is added to store. An upper computer works out real-time time when the BCU stores the data according to the real-time timestamp and system time of the BCU. The real-time time is used as time basis of statistics and analysis in later period. The data memory transfer machine comprises a power supply module, a global position system (GPS) module, a standard USB interface, an advanced RISC machines (ARM) chip, a display screen module, a working state indicator light and a power management module. The locomotive braking data synchronism memory transfer method and the data memory transfer machine has the advantages of being simple and reasonable in hardware circuit, wide in application range and low in cost.

The invention discloses an NB-IoT-based object overturn early warning system comprising multiple detectors, a cloud server and multiple early warning terminals. Each detector is provided with a shellused for being fixed on the measured object, a PCB arranged in the shell and a monitoring circuit arranged on the PCB. The monitoring circuit is provided with an MEMS inertial sensor module which is fixed on the central position of the PCB and used for sensing the six-degree-of-freedom parameters of the space motion of the measured object in real time, an AM2302 environmental temperature and humidity monitoring sensor module which is used for sensing the surrounding environmental temperature and humidity parameters of the measured object, an NB-IoT data module which is used for transmitting the degree-of-freedom parameters and the environmental temperature and humidity parameters and a 32-bit low-power-consumption STM32F103C single-chip microcomputer which is used for preprocessing the degree-of-freedom parameters and the environmental temperature and humidity parameters. The cloud server and the detectors form wide area internet of things communication connection through a wide area internet of things NB-IoT base station for transmitting early warning signals. Multiple early warning terminals are connected with the cloud server in a communication way through the wide area internetof things and used for receiving the early warning signals.

The invention discloses a method and a device for determining the transmitting power of a multi-node repeater, a storage medium and a terminal, and the method comprises the steps: receiving a broadcast signal which comprises the input power of an uplink gain compression point of a main node in the multi-node repeater; determining path loss of a path with the main node; and determining the maximumuplink transmitting power according to the input power of the uplink gain compression point and the path loss. Through the scheme provided by the invention, the uplink of each slave node in the multi-node repeater can be ensured to be in a balanced state, and the situation of mutual inhibition of the slave nodes is avoided.

The invention discloses a weight configuration method and apparatus of a Massive MIMO antenna. The method comprises the following steps: collecting current communication parameters; obtaining telephone traffic peak values within different time periods; judging whether a serving cell has a telephone traffic tide change trend within different time periods corresponding to the telephone traffic peakvalues; when the telephone traffic tide change trend exists, dividing the signal coverage of the antenna into H*V spatial ranges; dividing the service volume generated by user equipment UE subjected to beam forming of the antenna to the H*V spatial ranges within a peak value time period of the telephone traffic tide change; calculating the throughput of an H line on the horizontal direction and the throughput of a V column on the vertical direction within the peak value time period of the telephone traffic tide change; configuring the weight of the Massive MIMO antenna within the peak value time period of the telephone traffic tide change according to the throughput of the H line on the horizontal direction and the throughput of the V column on the vertical direction. By adoption of the weight configuration method and apparatus disclosed by the embodiment of the invention, the weight of the Massive MIMO antenna can be configured according to the telephone traffic tide change, so that the targeting is strong, the signal coverage effect is improved, and the signal throughput is improved.

The invention relates to an unmanned aerial vehicle control method and device, a computer readable storage medium and computer equipment. The method comprises the following steps: receiving unmanned aerial vehicle flight information and unmanned aerial vehicle parameters sent by an unmanned aerial vehicle through an autonomous communication networking network; receiving position information and meteorological information about the flight environment of the unmanned aerial vehicle, which are acquired by the terminal, by using an autonomous communication networking network; formulating a target flight route for the unmanned aerial vehicle according to the position information; judging whether the flight route of the unmanned aerial vehicle is matched with the target flight route or not according to the unmanned aerial vehicle flight information, and judging whether the unmanned aerial vehicle parameters are matched with meteorological information or not; if the flight route of the unmanned aerial vehicle is not matched with the target flight route and the parameters of the unmanned aerial vehicle are not matched with the meteorological information, obtaining corresponding prompt information; and generating a first control instruction according to the prompt information and the unmanned aerial vehicle parameters, and controlling the unmanned aerial vehicle through the first control instruction. Flight faults in the flight process of the unmanned aerial vehicle are reduced, and the efficiency of successfully completing tasks by the unmanned aerial vehicle is improved.

The embodiment of the invention relates to the technical field of wearable equipment manufacturing, and discloses wearable equipment. The wearable equipment comprises a metal frame, a mainboard and anantenna; the mainboard is fixed in an area defined by the metal frame; the antenna comprises 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 with a main antenna signal end of the mainboard through a connecting part. According to the invention, on the basisof taking the metal frame as the first radiation unit of the antenna, the second radiation unit sharing the feeding point with the first radiation unit is added, so the antenna can cover signals of different frequency bands, and the antenna function of the wearable equipment is enhanced.

The invention relates to a household controller, and the household controller comprises a housing, a circuit board disposed in the housing, and a plurality of wireless transmission modules which are disposed on the circuit board. The housing comprises an upper housing and a lower housing, and the circuit board is disposed in the lower housing. The transmission directions of the plurality of wireless transmission modules face the peripheral side of the lower housing, and the transmission angles of the plurality of wireless transmission modules cover the height of the peripheral side of the lower housing. The controller provided by the invention is provided with the plurality of wireless transmission modules, and the plurality of wireless transmission modules enable the transmission signals to be transmitted to greatest degree through the control of layout and transmission angles, and prevents the transmission signals from being sheltered by the housing, thereby enlarging the signal coverage area of the signal of the controller, and bringing convenience to a user for regulation and control.

The invention relates to telecommunication bimodule indoor covering equipment, which comprises an incoming end and a covering end, as well as a control part, an FDD uplink, an FDD downlink, a CDMA uplink and a CDMA downlink, wherein the FDD uplink, the FDD downlink, the CDMA uplink and the CDMA downlink are respectively connected with the incoming end and the covering end, and the FDD uplink, theFDD downlink, the CDMA uplink and the CDMA downlink are respectively connected with the control part. The telecommunication bimodule indoor covering equipment can support signals of an FDD system andCDMA system, is good in signal covering, small in radiation and interference and volume, convenient to install, and low in cost, and can support multi-scene application, thus meeting the communicationdemand of small range or relatively independent signals on shielded places.

The invention discloses an optimal deployment method and device of an unmanned aerial vehicle base station, the unmanned aerial vehicle base station and a medium. The method comprises the steps of obtaining position data of N ground users communicating with an unmanned aerial vehicle; constructing the position coordinates of the unmanned aerial vehicle, the position coordinates of the N ground users and the corresponding relational expression of the communication terminals between the unmanned aerial vehicle and the ground users according to the position data of the N ground users; solving thecorresponding relational expression based on the minimum average value of the communication interruption rates of the N ground users to obtain the optimal coordinate position of the unmanned aerial vehicle; and controlling the unmanned aerial vehicle to fly to a spatial position corresponding to the optimal coordinate position of the unmanned aerial vehicle. According to the invention, optimization of the position of the unmanned aerial vehicle can be realized, so that the use efficiency of the unmanned aerial vehicle base station is enabled to be optimal, and the communication quality can beenhanced.