A system for determining the location of a wireless device is described, the system includes a map, a fixed beacon, a fixed sensor and a server component. The server component receives a beacon identifier and a beacon signal strength from a wireless device. A sensor is located on the map. The fixed sensor receives the beacon identifier and the sensor captures a measured sensor beacon signal strength. The sensor is communicatively coupled to the server component. The server component receives the beacon identifier and the measured sensor beacon signal strength from the fixed sensor. The server component uses the beacon identifier and the beacon signal strength communicated by the wireless device and the sensor beacon signal strength and the beacon identifier received by the sensor to determine the location of the wireless device.

There is disclosed a method of updating a database of positioning data, using a mobile user device moved along a path through a plurality of positions, the method comprising the steps of: at each of the plurality of positions: receiving position estimate data and measurement data from a plurality of positioning modules associated with the mobile user device; calculating an estimate of the position in dependence on the data received from the plurality of positioning modules; and storing the estimate of the position and the measurement data; subsequently processing the stored measurement data to calculate at least one revised estimate of a respective position; and processing said at least one revised estimate to update the database of positioning data.

Systems, methods, and devices for locating items, people, and/or animals are provided. In accordance with some embodiments, locator devices for locating a target device are provided, the locator devices comprising: a first transceiver configured to communicate with a second transceiver in the target device; a Global Navigation Satellite System (GNSS) receiver configured to receive data from a plurality of satellites for calculating a location; a visual indicator; and a hardware processor that: receives signals from the first transceiver; calculates an estimated distance between the locator device and a target device based on the signals; controls whether the GNSS receiver is powered on or off based on the estimated distance; and causes the visual indicator indicate an estimated direction to the target device from the locator device.

A system and method for locating radio-frequency identification tags within a predetermined area. The method can incorporate sub-threshold superposition response mapping techniques, alone, or in combination with other methods for locating radio-frequency identification tags such as but not limited to time differential on arrival (TDOA), frequency domain phase difference on arrival (FD-PDOA), and radio signal strength indication (RSSI). The system can include a plurality of antennas dispersed in a predefined area; one or more radio-frequency identification tags; a radio-frequency transceiver in communication with said antennas; a phase modulator coupled to the radio-frequency transceiver; and a system controller in communication with said transceiver and said phase modulator. Calibration techniques can be employed to map constructive interference zones for improved accuracy.

A method performed by a User Equipment (UE) for handling positioning of the UE in a wireless communications network is provided. The UE is capable of working in a number of positioning modes for performing measurements for positioning of the UE. The UE receives (503) from a radio network node operating in the wireless communications 5 network, a configuration to operate in a specific positioning mode out of the number of positioning modes, for a certain duration. The UE then performs (504) positioning of the UE according to the configuration based on positioning assistance data from any one out of: the radio network node, and a core network node operating in the wireless communications network.

Disclosed are an information transmission method and device, for determining positioning reference signal resource configuration information and a positioning technical scheme by means of a negotiation process between a positioning server and other nodes, so as to avoid that neighboring base stations may send positioning reference signals on the same time and frequency resources, causing the positioning reference signals of neighboring base stations to interfere with each other, resulting in the degradation of downlink positioning measurement performance, and to enable each base station to optimize the configuration of the positioning reference signal according to the positioning performance requirements of a terminal, thereby improving the positioning performance. The information transmission method provided by the present application comprises: determining positioning reference signal resource configuration information and a positioning technical scheme by means of a negotiation process between a positioning server and other nodes; and notifying the other nodes of the positioning reference signal resource configuration information and the positioning technical scheme.

A method, implemented by a computer, for positioning based on heterogeneous networks comprises: estimating a position of a personal mobility device (PMD) based on a first wireless signal; determining whether the PMD is within an intermediate area between a first area and a second area, based on an estimated position of the PMD; determining whether the PMD moves to the second area, by using both the first wireless signal and a second wireless signal; and determining position of the PMD by using any one of the first wireless signal and the second wireless signal based on a movement of the PMD to the second area.

Embodiments for a device locator application are described. In an embodiment, one or more inertial displacement measurement values may be received using the inertial sensor and received camera sensor data, a trajectory based on the one or more inertial displacement measurement values may be determined, a beacon signal from a target wireless device and determine at least one signal strength value from the beacon signal may be received, at least one proximity value to the target wireless device may be estimated based on the at least one signal strength value corresponding to at least one position along the trajectory, and an indicator of the at least one proximity value to the target wireless device may be presented along the trajectory in a user interface.

A method and apparatus for determining a device pointed to by a UE is provided. The method includes determining UE pointing information based on spatial information of UWB devices; and determining a target non-UWB device pointed to by the UE based on the UE pointing information and spatial information of at least one non-UWB device. The disclosure determines a target non-UWB device pointed to by the UE in the UWB environment based on spatial perception capability of UWB and improve the user experience of UWB pointing operations.

Described herein are methods and systems for locating lightning activity. A server computing device receives, from a satellite that detects lightning activity occurring in a geographic region, location coordinates and time data associated with lightning activity detected by the satellite. The server captures, from at least one of one or more ground-based lightning sensors that detect lightning activity, lightning feature data for lightning activity detected by the at least one of one or more ground-based lightning sensors. The server computing device determines a location of the lightning activity within the geographic region using the lightning feature data and the location coordinates and time data. The server computing device transmits the determined location of the lightning activity to one or more remote computing devices.