127 results about "Wireless signal strength" patented technology

The invention discloses a wireless network card communication networking method and system, and the method comprises the steps: obtaining network signal data of nodes in a communication network through a wireless signal strength tester in a test period, obtaining a signal fluctuation value, taking the signal fluctuation value as a judgment basis, determining a suspected node, and carrying out the detection of the suspected node. Analyzing the historical data of the suspected node in the historical period to obtain a node early warning value, reflecting the fluctuation frequency degree and the fluctuation stability degree of the suspected node in the historical period through the node early warning value, and if the node early warning value is greater than a node early warning threshold value, generating an early warning signal; and marking the suspected node corresponding to the generated early warning signal as an early warning node, and evaluating to obtain the signal strength fluctuation condition of the nodes in the communication network.

This application provides a method for determining a wireless signal strength in an area, a computer-readable storage medium, and an electronic device. The method includes: obtaining building diagram information, wherein the building diagram information comprises a position of a target signal source, a target area, size information of one or more obstacles in the target area, type information of the one or more obstacles, and image calibration information; converting the building diagram information into a polar coordinate system; determining an attenuation amount of a target pixel based on the size information, the type information, the image calibration information, and a propagation path in the polar coordinate system, wherein the propagation path penetrates at least part of the one or more obstacles; and determining a signal strength of the target pixel based on a signal strength of the target signal source and the attenuation amount of the target pixel.

The invention relates to the technical field of robots, and discloses a method and a system for determining the position of a mobile robot, which are used for correcting indoor robot position judgment model parameters based on a wireless signal intensity change mode so as to compensate signal interference errors caused by wall blocking. Correcting the current coordinate of the robot according to the corrected model parameters by fusing the historical track and the real-time sensor information; the corrected current coordinates are combined with known map information and instantly updated map details to regulate and control path plan variables, and an uncertainty estimation matrix is updated through a result output by multi-sensor fusion to improve robustness positioning in a high dynamic environment; through the scheme of the embodiment of the invention, the problem of how to optimize the pose parameters of the mobile robot according to the environment sensing data acquired by the mobile robot so as to solve the problem of positioning error accumulation can be solved, and the robustness of the system is further enhanced.

The invention relates to the technical field of panoramic lenses, and discloses a pairing method of a panoramic lens and the panoramic lens. The method comprises the following steps: a pan-tilt controller sends an equipment query frame to a panoramic lens and receives equipment identity verification data returned by the panoramic lens; sending a motion test sequence to the panoramic lens based on the equipment identity verification data, and receiving lens motion feature data fed back by the panoramic lens; calculating control delay compensation time according to the lens motion characteristic data; the holder controller monitors a wireless signal strength index between the holder controller and the panoramic lens in real time and inputs a handshake interval adjustment algorithm to obtain a handshake frame transmission time interval; and executing a pairing handshake process, establishing a compatibility mapping relationship between the controller protocol version and the lens protocol version, and generating wireless connection control parameters. According to the invention, automatic identity recognition between the holder controller and the panoramic lens is realized, manual pairing operation is not needed, and the intelligent level and the cross-brand interoperation capability of the holder control system are improved.

The invention relates to the technical field of vehicle wireless communication, in particular to a terminal communication performance testing method and system and a computer storage medium. The method comprises the following steps: controlling a multi-stage attenuator to receive a wireless signal, performing periodic gradual attenuation and gradual recovery processing on the wireless signal, and transmitting the processed wireless signal to a terminal to enable the terminal to generate a running log; and capturing a keyword of the running log to analyze the running state of the terminal so as to generate a terminal communication performance test report. The present invention can be applied to communication terminals including Tbox. The wireless signals received by the terminal are periodically and gradually attenuated and gradually recovered through the multi-stage attenuator, so that the Tbox works in an environment in which the intensity of the wireless signals is frequently changed, and a complex and changeable network environment of the Tbox in an actual application scene of vehicle driving is accurately simulated.

The invention discloses a voice control method, device and system based on intelligent equipment, equipment, a medium and a product. The method comprises the following steps: in response to a received target voice control instruction, obtaining a controllable equipment set; according to the actual control function in the received target voice control instruction and the wireless signal strength of each intelligent device, screening from the controllable device set to obtain a target intelligent device; and sending the text information or the control code associated with the target voice control instruction to the target intelligent device, so that the target intelligent device executes an operation associated with the target voice control instruction. According to the method and the device, the technical problems of high user learning cost and poor user use fluency caused by tedious operation in the prior art are solved, the use convenience and comfort are effectively improved on the basis of greatly simplifying the operation process, and a more intelligent and humanized home experience space is provided for the user.

The invention relates to the technical field of wireless lighting, and provides a wireless lighting control method and system, and the method comprises the steps: obtaining a wireless signal value of a wireless mobile terminal in real time, and obtaining the wireless signal intensity according to the wireless signal value; acquiring a signal intensity change rate and a wireless signal variance in a preset time window according to the wireless signal intensity; obtaining a basic signal intensity threshold value, and obtaining a real-time signal intensity threshold value according to the basic signal intensity threshold value, the signal intensity change rate and the wireless signal variance; and comparing the wireless signal intensity with the real-time signal intensity threshold value, and controlling the state of the lighting equipment according to the comparison result. According to the method, a dynamic signal strength threshold mechanism based on the signal strength change rate and the wireless signal variance is constructed by considering the wireless signal contrast representing the wireless signal fluctuation of the equipment and reflecting the environmental interference, the real-time signal strength threshold can be adaptively adjusted, the system robustness is improved, and the real-time performance of the system is improved. And frequent switching actions of the lighting switch are avoided.

The invention aims at disclosing a wireless cooperative lifting method for a plurality of lifting columns, and relates to the technical field of vehicle lifting control, and the wireless cooperative lifting method comprises n lifting columns; comprising the following steps that any one of n lifting columns is configured as a host, the host generates a random synchronous code, and n is larger than or equal to 6; the random synchronous codes are input into n-1 lifting columns respectively, the n-1 lifting columns are configured as slave machines, and the slave machines are numbered according to the pairing sequence; the host and the ith slave are arranged in a first column, i is an even number, the mth slave is arranged in a second column, and m is an odd number; the host sends a synchronous lifting signal through the first wireless module or the second wireless module; the method has the technical effects that the strongest wireless signal synchronization path is selected, the synchronization of the lifting signals among the plurality of lifting columns is ensured, the blockage of the height synchronization signal of one lifting column is avoided, and the safety is ensured.

Apparatuses, systems, and techniques to cause one or more directions of travel to be indicated to a user in order to improve wireless signal strength. In at least one embodiment, one or more directions of travel are indicated to a device in order to improve wireless signal strength, based on, for example, wireless signal strength values obtained by said device at one or more locations.

The invention discloses a dairy cow oestrus recognition system based on attitude angle and track fusion of a low-power-consumption Bluetooth ear tag. The dairy cow oestrus recognition system comprises an attitude angle acquisition terminal module, a track behavior reconstruction module, a high-frequency sampling trigger module, an edge recognition and preprocessing module, a fusion judgment and early warning output module and a cloud platform collaboration module. The system periodically collects three-axis attitude angle data through Bluetooth ear tag equipment worn on the ears of a dairy cow, reconstructs a virtual track point string in combination with wireless signal intensity, and identifies behavior trends and spatial path characteristics of individuals respectively; in a suspected state, a short-time high-frequency sampling window is automatically triggered to capture subtle disturbance behaviors, and recognition of complex behaviors such as silent oestrus, short-time oestrus and passive oestrus is achieved. The system adopts a multi-channel collaborative recognition and fusion voting mechanism to output an oestrus judgment result, has the advantages of low power consumption, high adaptation, deployability, expandability and the like, and is suitable for behavior monitoring and intelligent breeding management of a large-scale cow farm.

The invention discloses a transparent transmission type metasurface array antenna which comprises a feed source oscillator and a transparent metasurface structure. The feed source oscillator is arranged below the transparent metasurface structure and is used for transmitting or receiving electromagnetic waves; the transparent metasurface structure comprises six layers of artificial electromagnetic metasurfaces stacked in parallel, each artificial electromagnetic metasurface comprises a transparent medium substrate and a metasurface array arranged on the upper surface of the transparent medium substrate, and the metasurface array comprises a plurality of conductive pattern units arranged periodically and is used for regulating and controlling the phase of transmission electromagnetic waves. According to the embodiment of the invention, phase regulation and control alignment can be carried out on electromagnetic waves without shielding light, and the method has efficient regulation and control capability on the wavefront of the electromagnetic waves, so that the indoor wireless signal intensity is enhanced, the cost and power consumption of large-scale antenna configuration are reduced, and the economical efficiency and practicability of an antenna system are improved.

An example method for determining the distance between the network devices thereby enhancing the accuracy of location determination is presented. In one example implementation, the proposed method entails training, during a training phase, a machine learning (ML) model based on test environmental condition metrics about the network devices. Further, during an inference phase, a network controller may first determine a coarse distance between a pair of network devices using wireless signal strength between the pair of network devices, and then finetune the coarse distance to generate a refined distance using a trained ML model. Further, using the refined distance, the network controller may more accurately determine the location of a network device of the pair of network devices whose location was unknown.

The invention relates to a data sending method and device, computer equipment, a storage medium and a program product, and particularly relates to the field of communication. The method is applied to a data transmitting end, and comprises the following steps: acquiring wireless signal strength of a first communication network and a wireless negotiation rate with wireless access equipment; determining an interference state of the first communication network and a first window value of a congestion window in the first communication network according to the wireless signal strength and the wireless negotiation rate; acquiring a congestion state of a second communication network and a second window value of a congestion window in the second communication network; determining a target window value according to the interference state, the congestion state, the first window value and the second window value; and sending the target data packet to a data receiving end according to the target window value. By adopting the method, the congestion condition of the wireless communication network can be sensed according to the wireless signal strength and the wireless negotiation rate, and the network congestion problem caused by the fact that the congestion condition of the wireless communication network is not sensed in time is reduced.

Aspects of the subject disclosure may include, for example, performing signal measurements in a wireless network. An area of interest within a coverage area of the communications network may be identified based on the signal measurements. Zones within the area of interest may be further identified. Additional test measurements within the area of interest may be requested. Test devices may be dispatched to locations within the area of interest to perform the additional test measurements. Other embodiments are disclosed.

The present disclosure relates to the technical field of wireless communications. Provided are a cell reselection method for a space-air-ground integrated network, and a communication system and a related device. The method comprises: a terminal monitoring a broadcast message, and acquiring coverage information of the current camping cell and a neighbor cell from the broadcast message, wherein the current camping cell and the neighbor cell are non-terrestrial network cells or terrestrial network cells; if the current camping cell is a non-terrestrial network cell, the terminal determining positional relationship information between the terminal and the current camping cell according to the coverage information of the current camping cell, and triggering a cell reselection measurement according to the positional relationship information between the terminal and the current camping cell; if the current camping cell is a terrestrial network cell, the terminal triggering a cell reselection measurement according to the wireless signal strength of the current camping cell; and the terminal performing cell reselection according to a cell reselection measurement result. Therefore, a terminal selects, from a space-air-ground integrated network, an appropriate terrestrial network cell or a non-terrestrial network cell for camping.

The embodiments of the present disclosure disclose an information display method, device, electronic device, and computer-readable medium. A specific implementation of the method includes: determining whether an image of an item contains a QR code image; determining whether the target terminal has location positioning turned on; in response to determining that the target terminal has not turned on location positioning, searching for wireless signals in a first target area to obtain at least one wireless signal information; filtering out wireless signal information including wireless signal strength that meets the filtering conditions from the at least one wireless signal information as target wireless signal information; determining location information that matches the signal transmitter identifier included in the target wireless signal information as first location information; filtering out location information whose corresponding location is located in a second target area as second location information; generating a location information list; and displaying the location information list on the target display interface. This implementation improves the accuracy of store address positioning.

A wireless short hop assembly includes a transmitter antenna and an integrated receiver / pulser module. A receiver antenna and a pulser assembly are consolidated into the receiver / pulser module. The transmitter antenna is configured to transmit, via magnetic flux induction, a magnetic carrier wave conveying a wireless signal to the receiver antenna. When the wireless short hop assembly is deployed on subterranean drilling bottom hole assembly (BHA) such that a shock reduction tool is interposed on the BHA between the transmitter antenna and the integrated receiver / pulser module, the integrated receiver / pulser module positions the receiver antenna closer to the shock reduction tool and the transmitter antenna than if the receiver antenna and the pulser assembly were discrete. The wireless signal as received by the receiver antenna is stronger and more stable than if the receiver antenna and the pulser assembly were discrete.

A cloud-based network management system (NMS) stores path data from network devices operating as network gateways for an enterprise network, the path data collected by each network device of the plurality of network devices. The NMS determines, for a logical path within a specified time window, a wireless signal quality and a link quality based at least in part on the path data. The NMS, in response to determining that the logical path is of a poor link quality, determine a correlation between a poor wireless quality and the poor link quality. The NMS may output a notification that indicates the correlation between the poor wireless quality and the poor link quality of the logical path.

An attachment management system comprises a working vehicle, a plurality of attachments, a mobile terminal, and a plurality of communication tags fixed on the attachments to communicate with the mobile terminal through a wireless signal that is compliant with a near field communication standard. The mobile terminal is switchable between a first mode to receive the wireless signals from the communication tags and a second mode to receive the wireless signals from the communication tags and to transmit attachment information. The mobile terminal displays, in the first mode, tag identifiers and a plurality of pieces of attachment information stored in the tag memories of the communication tags, and in the second mode, the tag identifiers and the plurality of pieces of attachment information stored in the tag memories of the communication tags which transmit the wireless signals each having signal intensity equal to or greater than a predetermined threshold.

An electronic device according to various embodiments disclosed in this document may include a display, a camera, and a processor operatively connected to the display and the camera. The processor may display augmented reality on the display based on an image captured by the camera, display a point moving in the augmented reality on the display in conjunction with the movement of the electronic device, recognize a point selected in the augmented reality, display a guide area including the selected point so that the point moves within a specific area, store sensor information including a geomagnetic value measured while the point moves within the guide area, store wireless signal strength information measured while the point moves within the guide area, and correct the geomagnetic value included in the sensor information using a reference direction and the direction of the electronic device at the time of measurement of the geomagnetic value. Various other embodiments may also be possible.

A waypoint may be automatically created by monitoring network wireless signal strength to assist a user of a mobile device in a non-city location in finding a previous location with known network connectivity and making an emergency call. In some embodiments, a backtracking route to a closest previous location with network connectivity is displayed on a mobile device. In some embodiments, for privacy considerations, access to waypoint information stored in a secure storage / database is restricted based on the determination of location status, and backtracking routes are displayed in stages.

The application discloses an indoor and outdoor seamless positioning method, system, device and medium, and relates to the technical field of information systems.The method comprises the following steps: acquiring the wireless signal strength of a current positioning point; judging the area type where the current positioning point is located according to the wireless signal strength; when the current positioning point is located in an indoor area, adopting a WiFi position fingerprint positioning technology to determine the position coordinates of the current positioning point; when the current positioning point is located in an outdoor area, adopting a GPS positioning technology to determine the position coordinates of the current positioning point; and when the current positioning point is located in an indoor and outdoor boundary area, adopting an indoor and outdoor fusion positioning technology based on a KNN algorithm to determine the position coordinates of the current positioning point.The application can realize the smooth transition and seamless connection of indoor and outdoor positioning.

The utility model provides a repeater, the repeater is connected with a wireless angle detector, the repeater is used for enhancing and prolonging the transmission distance of the wireless angle detector, the repeater comprises a connecting pipe body, a first transmit-receive part and a second transmit-receive part, the connecting pipe body is used for being connected with the pipe body of the wireless angle detector, and the first transmit-receive part is used for being connected with the pipe body of the wireless angle detector. A mounting cavity is formed in the connecting pipe body; the first transmitting-receiving part is mounted in the mounting cavity, and the first transmitting-receiving part is located at one end, close to the pipe body of the wireless angle detector, of the connecting pipe body; a first transceiving part of the first transceiving part is in wireless connection with the wireless angle detector, and the first transceiving part is used for receiving and transmitting information of the installation angle of the borehole stress meter detected by the wireless angle detector. The repeater effectively solves the technical problems that when the drilling depth of a wireless angle detection device in the prior art is increased, the wireless signal strength is gradually weakened, so that the positioning precision of the angle detection device is influenced, and the actual installation position of a borehole stress meter cannot be accurately determined.

The present invention belongs to the field of mobile communication technology, and specifically relates to a method and system for creating a geographic fence suitable for preventing young children from getting lost. The method includes: determining an area to be monitored, dividing the area to be monitored into multiple grid areas; setting a wireless network transmission module in the grid area where the center of the area to be monitored is located; using a mobile terminal carried by the young child, collecting location information and signal strength information based on wireless signal strength; within the area to be monitored, based on the collected signal strength information, if the wireless signal strength of a certain grid area is equal to a preset threshold, it is determined to be a geographic fence boundary point; connecting each geographic fence boundary point into a closed loop to form the activity boundary of the young child; establishing a monitoring mechanism, and automatically triggering an alarm when it is shown that the young child is about to cross the activity boundary. This method improves the accuracy and real-time performance of monitoring, and effectively solves the problem of inaccurate positioning indoors or in shielded environments.

The invention discloses a dairy cow oestrus recognition method based on attitude angle and trajectory fusion, and aims to solve the problems of recognition lag, high behavior expression heterogeneity, high energy consumption and the like in the existing oestrus recognition technology. According to the method, three-axis attitude angle data (a yaw angle, a pitch angle and a roll angle) are collected through a sensing terminal worn on the body surface of a dairy cow, and behavior trend characteristics of the dairy cow are extracted in combination with a periodically constructed virtual track point string generated based on wireless signal intensity (RSSI) or equivalent signals. The system runs in parallel through three channels of low-frequency attitude angle trend recognition, track behavior recognition and high-frequency perturbation action recognition, and outputs an oestrus recognition result by adopting a fusion judgment mechanism. And meanwhile, an intermittent high-frequency sampling mechanism is introduced, so that the balance between high-sensitivity identification and power consumption control is realized in a suspected oestrus state. The method does not need to introduce complex signal sources such as acceleration, images and sound, is high in recognition precision and low in deployment cost, is suitable for intelligent monitoring requirements of cow oestrus in a large-scale pasture, and also has the capability of identifying and migrating oestrus to other ruminants.

The present invention discloses a multi-network switching method for 5G devices, comprising the following steps: comprising the following steps: step A: when a mobile node moves from the coverage area of ​​one access point to the coverage area of ​​another access point, a determination is made based on the detected wireless signal strength of the original access point; step B: when network switching is enabled, channel scanning and verification are performed, and the mobile node begins to manage the selected access point, that is, link layer switching of the new connection is performed; the beneficial effects of the present invention are: when problems occur with the wireless signal strength and the network speed, network switching processing will be triggered, and the route can be changed between the new and old connections in a timely manner, preventing the mobile node from being unable to find the route, avoiding the increase in switching delay, and the problem of untimely switching, and solving the problem that network switching can only be performed by manual adjustment when the network speed is poor.

The invention discloses a data transmission control method and device, electronic equipment and a storage medium, and the control method comprises the steps: determining the first wireless signal intensity of wireless connection between a second vehicle and a router when determining that the router wirelessly accesses the second vehicle and starts data downloading; when it is determined that the first wireless signal strength is the first signal strength grade, the target first vehicle corresponding to the weakest second wireless signal strength in the at least one second wireless signal strength is controlled to enter a dormant state, and wireless connection between each first vehicle and the router corresponds to one second wireless signal strength. According to the method, after the router accesses at least one first vehicle, if the router accesses the second vehicle and the signal wirelessly connected with the second vehicle reaches the first signal strength level, the target first vehicle and the router are controlled to enter the dormant state under the condition that the connection is maintained, so that the transmission of vehicle data is accelerated on the whole; and the transmission efficiency of data transmission is improved.

The invention provides a mobile terminal positioning method, device, terminal positioning equipment and system, and relates to the technical field of communication. Communication connection with a to-be-positioned mobile terminal can be established; acquiring the wireless signal intensity of the mobile terminal in multiple directions, and determining the current direction of the mobile terminal according to each wireless signal intensity; obtaining a current TA value of signaling between the mobile terminal and the terminal positioning equipment, and determining a current distance between the mobile terminal and the terminal positioning equipment according to the current TA value; and determining the current position of the mobile terminal according to the current direction and the current distance. Therefore, direction sensing is carried out based on the wireless signal intensity in multiple directions, distance sensing is carried out based on the current TA value of the signaling between the mobile terminal and the terminal positioning equipment, the specific position of the mobile terminal can be determined, and the accuracy and precision of positioning are improved.

This invention discloses a method and device for rapid location of mobile terminals involved in crimes, specifically relating to the field of wireless signal positioning technology. It involves setting sampling points at the crime scene to acquire wireless signal strength, direction of arrival, and sampling coordinates; performing peak extraction and directional clustering to generate candidate location points; performing micro-displacement re-measurement around the candidate location points; determining the boundary orientation of obstructions based on the peak migration trajectory of the re-measured signal strength; distinguishing between leakage and reflection candidate points by registering the directional changes of the candidate location points with the boundary orientation of the obstructions; determining the terminal entity candidate region based on the asymmetric attenuation characteristics of the wireless signal strength at leakage candidate points; and combining this with consistency verification between the terminal entity candidate region and the reflection candidate points, thereby achieving rapid and accurate location of the mobile terminal involved in the crime. This invention effectively improves the accuracy and efficiency of locating mobile terminals involved in crimes.

The invention belongs to the technical field of construction project management and cloud communication, and discloses a construction project management cloud server communication method based on AI big data, and the method specifically comprises the following steps: 1, collecting and preprocessing multi-dimensional state data; network environment data of a construction site and working state data of terminal equipment are collected in real time by deploying a network detection node and an equipment end communication module through a cloud server end, and the network environment data comprise bandwidth, delay, packet loss rate, jitter, wireless signal strength and network topology connection state of each candidate communication path; the equipment working state data comprises an equipment type, a working mode, a to-be-transmitted data volume and a data priority. Dynamic adaptation of communication parameters of the construction project management cloud server is achieved through the AI big data technology, the problem that existing static configuration cannot cope with violent network fluctuation and equipment state dynamic change on a construction site is solved, and the reliability, the real-time performance and the resource utilization rate of communication are remarkably improved.