G01S2205/02

Intelligent device navigation method and navigation system

The present disclosure discloses an intelligent device navigation method and navigation system. The method comprises the following. Construct a plurality of antennas on a network card in the intelligent device into a linear antenna array. By using the linear antenna array, acquire channel state information of a wireless signal, and estimate an angle of arrival (AoA) and a time of flight (ToF) between the wireless signal transmitting device and the intelligent device. Measure inertial parameters of the intelligent device. Perform data fusion of the AoAs, the ToFs and the inertial parameters to estimate a state variable of the intelligent device. Adjust a motion state of the intelligent device with reference to the state variable, thereby achieving autonomous navigation of the intelligent device. The disclosure can estimate the state of the intelligent device by using wireless signals ubiquitous in the surrounding environment in a GPS unreliable environment.

METHOD AND USER EQUIPMENT FOR PERFORMING MEASUREMENT TO SUPPORT POSITIONING, METHOD AND POSITIONING SERVER FOR SUPPORTING POSITIONING, AND BASE STATION FOR SUPPORTING POSITIONING

The present invention provides a UE for performing measurement for positioning, a UE for transmitting a signal for positioning, and a positioning server and a base station for supporting positioning. The measuring UE receives configuration information relating to an uplink reference signal for positioning, receives the uplink reference signal on the basis of the configuration information and transmits information relating to a metric value measured on the basis of the uplink reference signal and information relating to a reception-transmission time difference of the measurement UE.

SELECTIVE CROWDSOURCING FOR MULTI-LEVEL POSITIONING
20170280301 · 2017-09-28 ·

Example methods, apparatuses, and/or articles of manufacture are disclosed herein that may be utilized, in whole or in part, to facilitate and/or support one or more operations and/or techniques for selective crowdsourcing for multi-level positioning, such as positioning in a multi-level structure, for example.

Method and system for positioning and tracking using a plurality of sensors

A positioning and tracking system is disclosed. The positioning and tracking system includes positioning sensors disposed in a space, wherein the positioning sensors are all movable and all have functions of sensing distance, angle and time, and the positioning sensors communicate with each other to sense relative distances, relative angles and relative times between every two positioning sensors of the positioning sensors. when at least one of the positioning sensors moves in the space, the positioning sensors re-communicate with each other to instantly update the relative distances, the relative angles and the relative times between every two positioning sensors of the positioning sensors.

WIRELESS COMMUNICATION USING A CENTRAL CONTROLLER

An example method for managing a wireless network can include receiving, via a processor, an access point (AP) beam shape and an AP transmit direction corresponding to each of a plurality of access points (APs). The example method can also include receiving, via a processor, a client device beam shape profile from at least one of the plurality of access points. The example method can also further include calculating, via the processor, a location of a blocking object based on the AP beam shape, the AP transmit direction, and the client device beam shape profile from the plurality of access points. The example method can further include allocating, via the processor, client-to-AP associations based at least in part on the location of the blocking object.

ENHANCED LOCATION SYSTEM USING WIRELESS TRANSMISSION BEACONS WITH VARYING POWER
20170234978 · 2017-08-17 ·

Communicating transmission power information that specifies a transmission power used by a reference point for use in estimating a position of a mobile device. Systems and methods measure an amount of power present in a signal received from the reference point, receive an identifier of the reference point and transmission power information that specifies the transmission power used by the reference point, transmit the identifier of the reference point to a location server, and also transmit the transmission power information or an estimate of a distance separating the mobile device and the reference point to the location server.

Indoor Location System
20170230801 · 2017-08-10 ·

An indoor location system for locating a mobile device has at least one mobile device configured to be a radio frequency receiver or beacon signal transmitter, and a set of radio frequency units configured to be positioned in a plurality of rooms in a building. One or more of the radio frequency units is located in each room, and each unit is configured to emit or receive radio frequency beacon signals. The mobile device, or each radio frequency unit, is configured to determine a received signal strength (RSS) of each of the received beacon signals. The mobile device, or a computer module connected to the radio frequency units, is configured to calculate from the RSS a room-representative RSS for each room, and to determine which room the mobile device is located in, by selecting the room having the highest value of calculated room-representative RSS.

TRANSMISSION DEVICE AND TRANSMISSION METHOD, RECEPTION DEVICE AND RECEPTION METHOD, AND PROGRAM
20170230121 · 2017-08-10 ·

The present disclosure relates to a transmission device and a transmission method, a reception device and a reception method, and a program that enable acquisition of accurate location information in an indoor environment. A reception device includes: an intra-body communication reception unit that receives location identification information from another device by a communication method using the human body as the communication medium, the location identification information being for identifying the location of the reception device; a location recognition unit that recognizes the current location of the reception device in accordance with the received location identification information; and a storage unit that stores the recognized current location. The present disclosure can be applied to transmission/reception devices and the like that perform communication by a communication method using the human body as the communication medium.

ARRANGEMENT FOR, AND METHOD OF, ACCURATELY LOCATING TARGETS IN A VENUE WITH OVERHEAD, SENSING NETWORK UNITS
20170227624 · 2017-08-10 ·

Multiple sensing network units are deployed in a venue. Each unit includes an overhead housing, and supports a plurality of electrically-powered sensor modules for sensing targets in the venue, and for generating target data indicative of the targets. Each unit preferably also includes a network communications module. Each module is interchangeably mounted in the housing. A power and data distribution system transmits network control data and electrical power to the sensor modules, and transmits the target data away from the sensor modules.

Proximity detection method
09730049 · 2017-08-08 · ·

A proximity detection method implemented by a detecting device includes: (a) receiving detection signals from multiple signal providing devices that include a target device and at least one reference device; (b) for each of the detection signals, collecting signal strength values of the detection signal at a variety of time points; (c) filtering out a portion of the signal strength values based on a predetermined criterion; (d) for each of the detection signals, calculating a signal level according to a sum of the signal strength values; and (e) calculating proximity of the target device in relation to the at least one reference device according to the signal level.