52 results about "Wireless positioning" patented technology

This application provides a method and apparatus for generating an environmental map, relating to the field of wireless positioning technology. The method includes: acquiring an environmental map of a target area; acquiring the relative position coordinates of a wireless device in the target area, the relative position coordinates indicating the position of the wireless device relative to a positioning device in the target area; and marking the position of the wireless device on the environmental map based on the relative position coordinates of the wireless device and the absolute position coordinates of the positioning device in the target area. This application can conveniently obtain an environmental map marked with the positions of wireless devices, improving the practicality of the environmental map and the level of intelligence in users' lives.

The application discloses an auxiliary tour system for cultural tourism, and relates to the technical field of intelligent auxiliary equipment. The auxiliary tour system comprises a mobile platform, a lifting device arranged on the mobile platform and a three-axis anti-shake platform arranged on the lifting end of the lifting device, the three-axis anti-shake platform is provided with a camera device, the mobile platform comprises a moving device, a guide rail for sliding of the moving device, a control cabinet and a wireless positioning system, the guide rail device is arranged at a cultural tourism scenic spot, the guide rail device extends upwards or downwards relative to a camera horizontal point, so that the guide rail device moves away from or approaches a user to be photographed, and the camera horizontal point is a horizontal point of a camera area relative to the user to be photographed. The application can provide safe, reliable and experienced photography and photographing services for tourists.

Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) may determine that at least a portion of a multi-technology positioning process should be offloaded (810). The UE may send, to a server, a request to perform the portion of the multi-technology positioning process (820). The UE may receive, from the server, a result of the offloaded portion of the multi-technology positioning process (830). The UE may determine a positioning estimate based at least in part on the received result. The portion of the multi-technology positioning process may comprise intra-technology inlier detection, inter-technology inlier detection, inlier weighting, any other part of the multi-technology positioning process, or a combination thereof (810).

Disclosed are techniques for wireless positioning and sensing. In some aspects, a user equipment (UE) receives, from a network node, a configuration for a location or sensing session associated with an artificial intelligence / machine learning (AIML) model before a scheduled location or sensing time, wherein the configuration includes: a request for one or more positioning or sensing measurements, location or sensing assistance data, one or more network conditions, one or more parameters associated with the one or more positioning or sensing measurements, an indication for the UE to execute one or more processing tasks associated with the AIML model, or any combination thereof. The UE receives, from the network node, a request message for location or sensing information that includes the scheduled location or sensing time. The UE performs one or more positioning or sensing measurements according to the configuration at the scheduled location or sensing time.

Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) determines one or more relaxation states of the UE during a positioning reference signal (PRS) measurement period based on one or more relaxation criteria, wherein the one or more relaxation criteria are based on a mobility state of the UE, and obtains one or more positioning measurements of one or more PRS resources of one or mor PRS resource sets of one or more positioning frequency layers during the PRS measurement period based on the one or more relaxation states of the UE.

The application belongs to the technical field of wireless positioning, and discloses a method and device for wireless positioning and multipath signal generation, frequency, amplitude, modulation and delay data are issued in real time by a host computer, linear interpolation is performed on transmission delay data by a digital processing module, and a signal instantaneous value is generated by using a phase increment calculation combined with a lookup table mode, so that the multipath signal dynamically changing in a wireless positioning scene can be accurately simulated, the carrier phase and delay characteristics are taken into account, the problem that a traditional method only pays attention to pseudo code phase change and ignores the carrier phase delay characteristic is solved, and the signal transmission law in a complex motion scene can be more truly restored; interpolation processing and buffer cache output are used, so that continuous and stable signal output can be realized, accumulated errors caused by the fact that a frequency word cannot be divided by an integer are effectively avoided, the simulation accuracy under long-time operation conditions is improved, and the signal generation stability and reliability are ensured; and continuous signals are directly output through digital-to-analog conversion and signal conditioning.

The application belongs to the technical field of wireless positioning and specifically relates to a reconfigurable intelligent surface assisted SISO system user near field positioning method. Regular multivariate decomposition and orthogonal matching pursuit are combined to obtain initial values of TOA and AOD on the RIS, then, a l1-norm regularization method based on sparsity is used to estimate the distance. Then, the maximum likelihood estimation formula is used to refine the initial estimation. Finally, the extended invariance principle is combined with the least square method to recover the position and clock offset. The obtained parameter estimation performance is close to the Cramer-Rao lower bound of the estimation error.

1. The name of the design product: Bluetooth beacon. 2. The use of the design product: The design product is used for wireless positioning. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The application relates to the technical field of unmanned planes, and provides a foldable bracket device for an unmanned plane transport logistics box, which comprises a bracket arranged foldably along the length direction and the width direction of the unmanned plane transport logistics box, a collision-preventing positioning seat arranged at the end of the bracket, a lifting appliance arranged on the side wall of the collision-preventing positioning seat and convenient for lifting the unmanned plane, and a wireless positioning device and a solar panel arranged on the collision-preventing positioning seat; the wireless positioning device is electrically connected with the solar panel. The foldable bracket device with the structural design can be compatible with unmanned plane transport logistics boxes of different specifications through the adjustment of the bracket in the length direction and the width direction; meanwhile, through the arrangement of the collision-preventing positioning seat, the wireless positioning device and the solar panel, the unmanned plane transport logistics box can be prevented from being damaged, and the ground personnel can master the position of the unmanned plane transport logistics box in real time when the unmanned plane is out of connection.

The utility model discloses a positioning device for car leasing, including the casing, the upper end fixed mounting of casing has adsorption seat, the front side outer wall on casing installs camera, the rear side outer wall on casing installs display screen, the casing outer wall on the both sides of display screen installs a plurality of control buttons, the control assembly is installed in the inner chamber of casing, and the control assembly is electrically connected with the car machine control end through the connecting cable, and the car machine control end is connected with mini wireless locator signal, and the both sides of control assembly all install the standby battery. Solveed the positioning device in the prior art although when violent destruction, can rely on alarm module to inform staff, but the corresponding time is long, lacks initiative intervention ability, leads to insufficient deterrent, and the trigger condition is single, and the problem of being easily avoided in the way of shielding or interference.

Disclosed are systems and techniques for wireless positioning. For example, a computing device can determine a duration between a prior session and a current session for positioning the device is less than a duration threshold value. The computing device can determine measurement errors of measurements of non-line of sight (NLOS) signals from one or more NLOS SVs of the NLOS SVs are greater than the previous horizontal uncertainty for the device. remove the one or more NLOS SVs from an SV list comprising the plurality of SVs to generate an updated SV list. The computing device can determine the one or more positions for the device based on measurements from signals transmitted from the SVs in the updated SV list and the updated horizontal uncertainty for the device.

Disclosed are techniques for wireless positioning. In some aspects, a user equipment (UE) may obtain one or more global navigation satellite system (GNSS) measurements. The UE may obtain map data. The UE may obtain a most likely position of the UE based on one or more prediction algorithms and one or more neural network (NN) models applied to the one or more GNSS measurements and the map data.

A system and method for wireless positioning incorporates positioning neural network that utilizes low-dimensional features in mobile settings. The low-dimensional features are, in particular, a minimum description feature set that comprises a predetermined number of largest power measurements and their temporal positions. For robust performance against various channel conditions, the predetermined feature size is adaptively selected by jointly optimizing over the expected amount of information and classification capability, quantified through information-theoretic measures.

The application provides a communication-aware-based cooperative positioning method, device and medium, and the method applied to a positioning node comprises the following steps: constructing a neighbor list; determining a cooperative node based on the neighbor list, calculating a beamforming parameter and an RIS parameter of the cooperative node; initiating a positioning cooperation request carrying the RIS parameter to the cooperative node based on the beamforming parameter; obtaining a cooperation response message sent by the cooperative node, generating a sensing signal based on the beamforming parameter, so that the cooperative node reflects the sensing signal to a target node according to the RIS parameter, and reflects an echo signal of the target node; obtaining the echo signal reflected by the cooperative node, and positioning the target node according to the echo signal. The application can realize accurate wireless positioning in a non-line-of-sight path environment and a line-of-sight path environment, effectively improves the positioning efficiency and positioning accuracy of wireless positioning, and takes into account the communication performance of a mobile device. The application is applied to the technical field of mobile communication.

The utility model discloses a kind of UWB positioner circuit boards, specifically in wireless positioning technical field, including integrated heat dissipation component, the inside of integrated heat dissipation component is provided with circuit board component, the integrated heat dissipation component includes integrated board, the side surface of the integrated board is fixedly installed with L-shaped heat sink, the outer wall of horizontal and longitudinal part of L-shaped heat sink is all set with square groove, multiple parallel heat dissipation fins are provided in square groove, interval is provided between two adjacent limit blocks, this UWB positioner circuit board is independently designed through each function layer, reduces electromagnetic interference, is convenient for dismounting maintenance simultaneously, can be individually replaced fault layer board, reduce maintenance cost, further heat dissipation component is closely combined with circuit board, reduce thermal resistance, and there is gap between layer board, can improve heat dissipation effect, further integrated heat dissipation component can improve the structural strength of electric heating plate component, play certain structural stability.

Disclosed are techniques for wireless positioning. In some aspects, a user equipment (UE) may obtain one or more global navigation satellite system (GNSS) measurements. The UE may obtain map data. The UE may obtain a most likely position of the UE based on one or more prediction algorithms and one or more neural network (NN) models applied to the one or more GNSS measurements and the map data.

Various techniques for wireless positioning are disclosed. In one aspect, a user equipment (UE) determines one or more angle-based measurements of one or more reference signal resources transmitted by or received at the UE on one or more antennas of the UE, and reports the one or more angle-based measurements, the beam pattern associated with the one or more reference signal resources, the type of the one or more antennas, the location of the one or more antennas on the UE, the orientation of the one or more antennas, or any combination thereof, to a positioning entity.

This invention discloses a real-time location tracking method and system for logistics goods, belonging to the field of wireless positioning technology. The method includes: acquiring location coordinates and collecting motion data in each positioning cycle; encoding the motion data into a motion coding sequence and extracting motion feature vectors from the motion data; calculating a speed estimate for the current positioning cycle based on the location coordinates and the motion coding sequence; generating a predicted location and prediction uncertainty for the goods on the road network based on the speed estimate; when a user initiates a location query, returning the latest predicted location and prediction uncertainty within the current positioning cycle, and executing a corresponding display strategy based on the prediction uncertainty; when new location coordinates are acquired, the current positioning cycle ends; performing road matching based on two adjacent location coordinates using a Hidden Markov Model; and calculating a speed correction factor based on the road matching result. This invention can improve the accuracy of positioning results.

This invention discloses a wireless positioning method based on intelligent metasurface multipath suppression, belonging to the field of wireless communication technology. Addressing the problem of decreased positioning accuracy due to non-line-of-sight (NLS) disturbances in multipath environments, this invention utilizes the adjustable electromagnetic reflection coefficient of intelligent metasurfaces to actively reshape the wireless channel, achieving physical-layer destructive interference suppression of NLS paths. The method includes: deriving closed-form solution conditions for complete NLS path suppression based on orthogonal decomposition of the base station array response using discrete Fourier transform; constructing an optimization problem considering amplitude constraints, jointly adjusting the reflection coefficient of metasurface units to minimize NLS disturbance power; optionally, improving suppression accuracy through iterative channel estimation and metasurface configuration; and finally, achieving user positioning based on the purified line-of-sight dominant channel. This invention can effectively reduce the impact of multipath interference on positioning accuracy in complex propagation environments.

This invention relates to the field of railway inspection technology, and in particular to a railway operation guidance method, device, and system, comprising: allocating and managing work equipment according to received backend instructions and acquired personnel information; entering the track area, performing wireless positioning to determine the current location range; performing current detection on several tracks within the determined current location range, distinguishing tracks and accurately locating them based on the detection results; communicating with the backend to obtain and store the correspondence between tracks and current frequencies based on the track differentiation results; and upon reaching the work point, performing track detection again, distinguishing between up and down tracks based on the detection results and locating the work point. This invention achieves closed-loop management of personnel, tools, and backend instructions; utilizing track current, it can achieve up and down track differentiation and meter-level accuracy positioning, transforming high-precision positioning capabilities into a portable, real-time personal terminal, allowing operators to know their precise location and work point location at any time.

This invention provides an automated sensor replacement system and method. The system includes an unmanned replacement device, a wireless positioning device, and an image transmission device. The unmanned replacement device can perform sensor replacement and fastening operations; the wireless positioning device collects and locates the sensor's position, elevation, and path; the image transmission device confirms, transmits, and records sensor readings; based on the path, battery level, and work location, the system can record, plan, and select a path after initial route exploration and automatically travel back and forth. The method is implemented through the system and includes: setting up and debugging the system; starting the unmanned replacement device and moving it to the work location, recording key points and passages along the way; performing reading operations, replacement and fastening operations, and / or scheduling and cyclical operations; and achieving retrieval and termination. This invention enables autonomous sensor installation and removal.

This invention belongs to the interdisciplinary field of wireless positioning and deep learning, and discloses a UWB and BeiDou fusion positioning method and system based on deep learning. The method includes: a dual-source signal preprocessing step, which performs non-line-of-sight error detection and compensation on the UWB ranging signal and multipath suppression and cycle slip repair on the BeiDou pseudorange signal; a graph attention network base station topology modeling step, which constructs the base station as a graph structure and outputs the confidence weights of each ranging link through the graph attention network; an attention mechanism-driven adaptive fusion step, which uses a multi-head attention network to dynamically calculate the fusion weights of the dual-source signals; a long short-term memory network trajectory prediction and backtracking smoothing step, which maintains positioning continuity when the signal fails and corrects the accumulated error after recovery; and a closed-loop optimization step, which updates the model parameters based on the positioning residual feedback.

The application discloses a kind of channel atlas assisted wireless positioning method and system.Considering the scenario that large-scale antenna array base station serves user, the channel information of a large number of user samples in service area is obtained, and a small part of samples is labeled as anchor point;A hybrid neural network inspired by physical principles is constructed as a location prediction model, and the parameter initialization of the network model is realized using channel atlas;With the help of channel atlas, the dissimilarity representing the real physical distance is extracted from the channel information, and the twin loss function is calculated based on the dissimilarity;The combination of twin loss function and anchor loss function is used as training loss function, and the parameters of wireless positioning network are iteratively updated by back propagation algorithm.The application utilizes the self-supervised characteristics of channel atlas, combines the neural network model inspired by physical principles, and realizes location prediction based on wireless channel information in a weakly supervised learning manner.The application can achieve relatively accurate positioning under the premise of only needing a small amount of anchor point information.

This application discloses a robot target following method, apparatus, device, and storage medium. The method includes: acquiring wireless positioning data, target image data, and target depth data of a target to be followed; determining the target position of the target to be followed based on the wireless positioning data, the target image data, and the target depth data; and controlling the robot to perform target following motion based on the target position. This solution, by fusing wireless positioning data, target image data, and target depth data, comprehensively determines the position of the target to be followed, improving the accuracy and stability of target position determination under conditions of multiple targets, occlusion, or complex environments, thereby enhancing the reliability and adaptability of the robot target following process.

The application discloses a positioning method, device and system based on positioning base station time synchronization, and relates to the technical field of wireless positioning. The positioning method comprises the following steps: obtaining a second pulse signal and standard time information messages; determining a reference time according to the second pulse signal and the standard time information messages; locking a first counter in a local clock when each second pulse signal is received; determining a count value of a second counter in the local clock and a phase deviation when each second pulse signal is received; generating a positioning signal and determining a sending time of the positioning signal, and delaying and compensating the sending time according to the phase deviation; determining the sending time after the delay compensation and a receiving time of the positioning signal received by a receiver, determining distances from the receiver to positioning base stations, and obtaining current position coordinates of the receiver. Through the above arrangement, the positioning precision of the current position of a positioning terminal is improved, and the erection cost of the positioning device is lower and the flexibility is higher.

The present application relates to the field of wireless positioning technology, and particularly relates to a kind of underwater sonar positioning method and system for ship, by obtaining several sound wave pulse signals of the same target position, to calculate the multiple depths corresponding to the target position, and according to the depth difference between multiple depths, calculate the temperature jump interference coefficient of each target position;Each sound wave pulse signal of each target position is subjected to timing analysis, to determine the initial credibility of each sound wave pulse signal of each target position;Based on the initial credibility and temperature jump interference coefficient of each target position, determine the final confidence of each sound wave pulse signal of target position, and filter credible sonar signal in all sound wave pulse signals of target position, and based on the credible sonar signal, realize ship underwater positioning.The present application filters out the credible sonar signal of target position and uses it for ship underwater positioning calculation, which improves the accuracy of ship underwater positioning.

The invention discloses a tunnel constructor position monitoring method and system and an intelligent terminal, and the method comprises the steps: respectively arranging a plurality of wireless positioning base stations with a wireless ad hoc network function at a plurality of designated positions of a construction area in advance, and achieving the initial self-calibration of the wireless positioning base stations added into the network through the distance measurement between each other; accurate calibration of the wireless positioning base station is carried out through a laser radar scanner, and a virtual electronic fence for preventing personnel from entering an unsafe area is set according to a calibration result of the wireless positioning base station; when it is detected that the real-time position of the constructor crosses the set virtual electronic fence, a sound alarm module integrated in a wireless positioning base station is controlled to give an alarm, and a wearable device carried by the constructor is controlled to inform the constructor to leave the dangerous area in time through sound-light alarm and vibration feedback. The system has the characteristics of convenient deployment and high flexibility, can provide high-precision positioning and regional safety management functions in real time, and improves the safety of a construction site.

Disclosed are techniques for wireless positioning. In an aspect, an inter-technology filtering block may receive, from each of a plurality of intra-technology filtering blocks of different technology types, a set of intra-technology inlier positioning anchor points of the respective technology type. The inter-technology filtering block may perform outlier rejection across all of the intra-technology inlier positioning anchor points together to produce a set of inter-technology inlier anchor points. The inter-technology filtering block may determine a relative weight for each inter-technology inlier anchor point. The inter-technology filtering block may provide, to at least one of the plurality of intra-technology filtering blocks, feedback that is based on at least one of the relative weights. The inter-technology filtering block and / or the intra-technology filtering blocks may be components of a user equipment, a base station, and / or a network entity.

Techniques for wireless positioning are disclosed. In an aspect, a user equipment (UE) receives, from a location server, positioning assistance data comprising at least a first expected measurement value and a first expected measurement uncertainty value, the first expected measurement value and the first expected measurement uncertainty value defining a first search window during which the UE is expected to measure a first plurality of positioning reference signal (PRS) resources transmitted by a first transmission reception point (TRP); determines a common best symbol hypothesis for a first set of PRS resources of the first plurality of PRS resources, where the best symbol hypothesis is a symbol within the first search window during which a signal strength of each PRS resource of the first set of PRS resources is maximum; and measures each PRS resource of a second set of PRS resources of the first plurality of PRS resources only during the best symbol hypothesis.

The embodiment of the present application provides an article monitoring tag device and an article monitoring method. The device comprises: a control module, which is used for detecting and controlling the state of each module in the article monitoring tag device; an installation driving module, which is used for installing the article monitoring tag device on a target article to be monitored or dismounting the target article from the article monitoring tag device; a detection module, which is in communication connection with the control module and is used for detecting the installation state / disassembly state between the article monitoring tag device and the target article and feeding back to the control module; and a wireless positioning module, which is in communication connection with the control module and is used for detecting the management area type where the article monitoring tag device is located and feeding back to the control module; wherein the control module is further used for generating a dismounting alarm signal when the disassembly state between the article monitoring tag device and the target article is detected and the management area type is a monitoring area. In this way, automatic monitoring of the separation of the electronic tag from suspicious articles is realized.