A communication unit includes: a plurality of wireless communication units configured to perform wireless communication with another communication device; and a control unit configured to estimate a relative position of the other communication device relative to the communication unit, wherein the control unit estimates the relative position of the other communication device on the basis of a plurality of distance measurement values indicating a distance between each of the plurality of wireless communication units and the other communication device obtained by each of the plurality of wireless communication units performing wireless communication with the other communication device, and a position characteristic including a position of each of the plurality of wireless communication units in the communication unit.

In an aspect, a UE (e.g., PUE or VUE) performs one or more sidelink positioning measurements on a first sidelink positioning signal between PUE and a VUE. The UE transmits measurement data based on the one or more sidelink positioning measurements to a RSU. The RSU receives the measurement data and determines a positioning estimate for the PUE. The RSU transmits the positioning estimate to the PUE, at least one VUE, or a combination thereof.

An auto-location method for electronic equipment items provided with a transmitter/receiver of radioelectric signals, includes the steps of: establishing a list of the equipment items with their relative position and the measurements of distances between the equipment items, detecting, using the list, at least one non-measured distance between a first equipment item and a second equipment item, the transmitter/receiver of which has a plurality of available operating modes, changing the operating mode of the transmitter/receiver of the second equipment item and attempting to measure the distance between the first equipment item and the second equipment item, and updating the list with the last distance measured. A system and a program implement this method.

Methods and systems for localization within an environment include determining a topology estimate of nodes located in a dynamic indoor environment, based on distances measured between the nodes. Rigid k-core sub-graphs of the topology estimate are generated to determine relative localizations of the nodes. Relative localizations are transformed into absolute localizations to generate a map of positions of the nodes within the environment. A feature of the map is deployed to a device in the environment.

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.

A networked radio frequency identification system includes a plurality of radio frequency identification (RFID) tag readers, a computer in signal communication with the RFID tag readers over a network, and a software module for storage on and operable by the computer that localizes RFID tags based on information received from the RFID tag readers using a network model having endpoints and oriented links. In an additional example, at least one of the RFID tag readers includes an adjustable configuration setting selected from RF signal strength, antenna gain, antenna polarization, and antenna orientation. In a further aspect, the system localizes RFID tags based on hierarchical threshold limit calculations. In an additional aspect, the system controls a locking device associated with an access point based on localization of an authorized RFID tag at the access point and reception of additional authorizing information from an input device.

A method and system for determining position and/or pose of an object. A robotic device moves throughout an environment and includes a master transceiver tag and, optionally, additional tags. The environment includes a plurality of anchor nodes that are configured to form a network. A master anchor node is in communication with at least a portion of the plurality of anchor nodes and is configured to transmit a ranging message as a UWB signal, receive a ranging message response from each other anchor node in the network, generate a reference grid representing physical locations of the plurality of anchor nodes within the network based upon the received ranging message responses, and distribute the reference grid to each of the other anchor nodes. The master transceiver tag receives the reference grid information and, based upon further calculations, determines a specific position and pose of the robotic device within the environment.

A system and method for classifying a type of interaction between a human user and a mobile communication device within a defined volume, based on multiple sensors. The method may include: determining a position of the mobile communication device relative to a frame of reference of the defined volume, based on: angle of arrival, time of flight, or received intensity of radio frequency (RF) signals transmitted by the mobile communication device and received by a phone location unit located within the defined volume configured to wirelessly communicate with the mobile communication device; obtaining at least one sensor measurement related to the mobile communication device from various non-RF sensors; repeating the obtaining, to yield a time series of sensor readings; and using a computer processor to classify the type of interaction into one of many predefined types of interactions, based on the position and the time series of sensor readings.

Proposed are an apparatus and a method for estimating the position of a target terminal within a mobile communication system. In general, a mobile communication system is composed of a base station and terminals. In the present invention, one or more positioning devices are placed around a target terminal required to be positioned to measure a transmission signal of the target terminal, and accurately measures the position of the target terminal on the basis of the transmission signal. In the above process, the base station should connect a communication channel with the terminal for positioning of the terminal, and a method therefor is proposed. In particular, the present invention relates to a method for setting a terminal in a standby state to transmit an uplink signal. In addition, an operation and a protocol for positioning the target terminal are proposed.

An apparatus, method and computer program is described comprising: receiving, at a user device, positioning signals from each of a plurality of nodes of a mobile communication system, wherein the positioning signals comprise first positioning signals received from each of one or more fixed nodes of the mobile communication system and second positioning signals received from each of one or more mobile nodes of the mobile communication system; determining relative angles of arrival of positioning signals between a first plurality of pairs of said nodes; determining a collinearity indication for each of the pairs of nodes of the first plurality, wherein each collinearity indication is based on the respective determined relative angles of arrival of said positioning signals; and selecting at least some of the plurality of pairs of nodes for use in positioning refinement, wherein the selecting is based, at least in part, on the determined collinearity.