172 results about "Wireless signal strength" patented technology

Waypoints can be automatically created by monitoring network wireless signal strength to help a user of a mobile device in a non-urban location to find a previous location with known network connectivity and make emergency calls. In some embodiments, a backtrack route is displayed on the mobile device to the closest previous location with network connectivity. In some embodiments, for privacy considerations, access to waypoint information stored in a secured storage / database is restricted based on the determination of location state, and backtrack routes are displayed in stages.

The invention provides a method and a device for determining wireless signal intensity in an area and electronic equipment, which are used for improving the efficiency of determining signal intensity distribution in the area so as to realize the purpose of determining the signal distribution condition of a target signal source in the area in real time. The method comprises the steps of determining a target polyline corresponding to an obstacle in a target area in a polar coordinate system taking a target signal source as a pole based on size information of the obstacle in the target area, and determining target information that a propagation path of a target signal passes through the target polyline; wherein the target information comprises the number of the pixel points on the propagation path penetrating through the obstacle and the polar coordinates of the pixel points; based on the target information, determining signal intensity information of the pixel points in the target area; wherein the signal intensity information comprises the position information of the pixel points and the signal intensity on the pixel points.

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.

A multi-modal indoor positioning method based on heterogeneous feature fusion comprises the following steps: in an offline stage, acquiring wireless signal strength RSSI data and a visible light image as a sample set; training the constructed multi-scale deep fusion network based on channel exchange, wherein the multi-scale deep fusion network comprises a preprocessing unit, a data alignment layer, a shared encoder, a channel exchange layer, a multi-modal fusion unit and a multi-layer perceptron layer; and an on-line test stage: predicting an indoor accurate position through the trained multi-scale deep fusion network according to a current RSSI measurement value and a visible light image shot in real time. According to the method, the correlation among multi-modal data is utilized, a mixed shared feature extraction network, a channel-based fusion network structure and a spatial interpolation and channel exchange algorithm are adopted, and heterogeneous and multi-time-scale data are fully fused. The performance of the model is improved, and the calculation complexity is reduced, so that the positioning precision is improved.

The invention relates to the technical field of archive management, and particularly discloses a wireless communication monitoring system and detection method based on archive management, an archive area in an archive management room is uniformly divided into a plurality of archive sub-areas with the same area according to the space, and a signal performance value is obtained based on processing and analysis of a received wireless signal intensity value; obtaining a region judgment value based on processing and analyzing marking results of file labels in the file sub-regions, obtaining an electromagnetic abnormal value based on analyzing the electromagnetic data, and obtaining a coincidence influence value based on processing and analyzing the abnormal coincidence sub-regions; according to the coincidence influence value, determining whether the electromagnetism in the archive sub-region affects wireless signal transmission, and by analyzing the influence factors during wireless signal data acquisition, the accuracy of wireless signal detection is ensured, so that the accuracy of abnormal judgment on the detection region is ensured.

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 a fast switching method based on FTTR networking, and relates to the technical field of FTTR networking, the method comprises the following steps: a main optical network terminal and a plurality of slave optical network terminals establish a connection relationship to establish an FTTR network, and the main optical network terminal is connected with an external network; each slave optical network terminal monitors the wireless signal intensity between the slave optical network terminal and the mobile terminal in real time, and transmits the monitored wireless signal intensity monitoring data to the master optical network terminal according to a preset period; the main optical network terminal determines the position information of the mobile terminal according to the wireless signal intensity monitoring data transmitted by each slave optical network terminal; when the position of the mobile terminal changes and meets a preset switching condition, the master optical network terminal sends a switching instruction to a target slave optical network terminal; and after the target slave optical network terminal receives the switching instruction, the target slave optical network terminal performs access authentication with the mobile terminal, and constructs a data transmission channel to complete switching after the access authentication is passed.

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.

The present application provides a method and apparatus for determining a wireless signal strength in a region, a computer-readable storage medium, and an electronic device. The method comprises: acquiring building diagram information, the building diagram information comprising the position of a target signal source, a target region corresponding to the target signal source, dimension information of one or more obstacles in the target region, and type information and image calibration information of the one or more obstacles; transforming the building diagram information into a polar coordinate system, the position of the target signal source being a pole of the polar coordinate system; on the basis of the dimension information, the type information, the image calibration information, and a propagation path, in the polar coordinate system, of a target signal transmitted by the target signal source and propagated to a target pixel in the region, determining an attenuation amount of the target pixel, the propagation path passing through at least part of the one or more obstacles; and on the basis of the signal strength of the target signal source and the attenuation amount of the target pixel, determining the signal strength at the target pixel.

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 control method and device for a USB module in electronic equipment and a controller, and relates to the technical field of communication. The controller obtains the wireless signal strength of the wireless communication module under the condition that the wireless communication module receives the data, and if the wireless signal strength is smaller than the preset signal strength and the USB module is in the first working mode, the electromagnetic radiation energy of the USB module is reduced under the condition that the working mode of the USB module is kept unchanged, and the electromagnetic radiation energy of the USB module is reduced. The difference value between the working frequency of the wireless communication module and the working frequency of the USB module in the first working mode is smaller than or equal to a preset difference value. Therefore, the noise interference of the signal of the USB module on the signal of the wireless communication module can be reduced, the data transmission rate of the wireless communication module is further improved, and the situation that the wireless communication module cannot transmit data is avoided.

The present invention discloses a method for detecting the status of a parking space by using the strength of a wireless signal, comprising the following steps: Step 1: Collecting parking space information, analyzing the parking space information, and obtaining parking space assessment information; Step 2: Selecting corresponding detection equipment for equipment installation according to the specific content of the parking space assessment information; Step 3: After the detection equipment is installed, performing actual simulation tests to obtain simulation test results; Step 4: Selecting to put the detection equipment into use or optimizing it according to the specific content of the simulation test results. Based on detecting parking spaces based on the strength of wireless information signals, the present invention reasonably sets different detection equipment according to the size of the parking spaces, performs more accurate parking space status monitoring, and avoids unnecessary waste of resources.

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 belongs to the technical field of mobile communication, and particularly relates to a geo-fence creating method and system suitable for preventing children from being lost. The method comprises the following steps: determining a to-be-monitored area, and dividing the to-be-monitored area into a plurality of grid areas; a wireless network transmitting module is arranged in a grid area where the central position of the to-be-monitored area is located; position information and signal intensity information are collected based on wireless signal intensity through a mobile terminal carried by a child; in the to-be-monitored area, according to the collected signal intensity information, if the wireless signal intensity of a certain grid area is equal to a preset threshold value, determining the grid area as a geo-fence boundary point; connecting the geo-fencing boundary points into a closed loop to form an activity boundary of children; a monitoring mechanism is set, and when it is displayed that the child is about to pass through the activity boundary, an alarm is triggered automatically. According to the method, the accuracy and the real-time performance of monitoring are improved, and the problem of inaccurate positioning in an indoor or shielded environment is effectively solved.

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.

The utility model discloses an ad hoc network instrument meter reading remote transmission device, which comprises a host, a support frame, a line concentration frame and an external antenna, the line concentration frame is fixedly connected with a winding shaft, a signal line is wound on the winding shaft, the external antenna is fixedly arranged on the line concentration frame, two ends of the signal line are respectively and electrically connected with the host and the external antenna, and the signal line is connected with the host and the external antenna. The supporting frame is provided with a fixed section, a bent section and an installation section, the bent section is located between the fixed section and the installation section, the main machine is fixedly installed on the installation section, and the installation section and the bent section surround to form an installation groove for containing the line concentration frame. The wireless meter reading device has the beneficial effects that the line concentration frame and the external antenna are moved to a position with better wireless signal strength to be fixed, so that the host can carry out remote transmission of meter reading data at the position with better wireless signal strength through the external antenna, and the advantage of stable wireless communication transmission is achieved.

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.