A location position system can include a plurality of beacons arranged a grid formation divided into a plurality of sub-grids. A mobile computing device can implement a location position application and can receive a radio signal from a particular beacon of the plurality of beacons. The radio signal can comprise a data component uniquely identifying the particular beacon, which can be used to identify a particular sub-grid of the plurality of sub-grids. An audio signal can be received from each of a set of sub-grid beacons associated with the particular sub-grid. Each audio signal can: (i) have a frequency in the frequency range of 16 kHz to 24 kHz and a transmission delay from a reference time, (ii) lack any additional identifying data, and (iii) be separately transmitted from the radio signal transmitted by the particular beacon. The mobile computing device can determine its position based on the received audio signals.

A power supply device includes a plurality of battery cells each including an outer covering can in a prismatic shape, a pair of end plates that cover both end surfaces of a battery stack in which the plurality of battery cells are stacked, a plurality of bind bars each formed into a plate shape extending in a stacking direction of the plurality of battery cells, the plurality of bind bars being respectively disposed on opposite side surfaces of the battery stack to fasten end plates to each other, heat radiation plate placing the battery stack on its upper surface side for releasing heat from the battery stack, and heat transfer sheet interposed between an upper surface of heat radiation plate and a lower surface of the battery stack to bring heat radiation plate and the battery stack into a thermally coupled state, wherein low friction slide layer with a friction resistance smaller than a friction resistance of the upper surface of heat transfer sheet is provided between heat transfer sheet and the plurality of battery cells.

This provides methods and systems for the global navigation satellite system (GNSS) combined with the dead-reckoning (DR) technique, which is expected to provide a vehicle positioning solution, but it may contain an unacceptable amount of error due to multiple causes, e.g., atmospheric effects, clock timing, and multipath effect. Particularly, the multipath effect is a major issue in the urban canyons. This invention overcomes these and other issues in the DR solution by a geofencing framework based on road geometry information and multiple supplemental kinematic filters. It guarantees a road-level accuracy and enables certain V2X applications which does not require sub-meter accuracy, e.g., signal phase timing, intersection movement assist, curve speed warning, reduced speed zone warning, and red-light violation warning. Automated vehicle is another use case. This is used for autonomous cars and vehicle safety, shown with various examples/variations.

A mobile device is disclosed. The mobile device may receive one or more wireless local area network (WLAN) signals. The mobile device may determine Channel State Information (CSI) data from the one or more WLAN signals. The mobile device may determine one or more environmental characteristics associated with an environment of the mobile device based on the CSI data. The mobile device may send information indicative of the one or more environmental characteristics to a location server (LS), or determine a position of the mobile device based at least in part on the one or more environmental characteristics, or any combination thereof.

The present document provides a method by which first vehicle-to-X (V2X) user equipment (UE) for supporting distance measurement transmits a ranging response signal in a wireless communication system, the method comprising: receiving a ranging request signal from second V2X UE; and transmitting, to the second V2X UE, the ranging response signal as a response to the ranging request signal on the basis of distance measurement parameter information, wherein the distance measurement parameter information includes information on a cyclic prefix (CP) length used for the ranging response signal, and the CP length used for the ranging response signal is different from a CP length to be used in V2X data channel transmission.

A distance measuring apparatus includes a reference object distance calculation section which calculates a distance to a reference object based on a two-dimensional image in which the reference object, which includes a plurality of feature points having obvious three-dimensional coordinate correlations, is captured, and a correction amount calculation section which calculates a correction amount for correcting a distance image by comparing the calculated distance to the reference object with a distance measurement value to the reference object in the distance image.

The present disclosure relates to methods and apparatuses for improving positioning of a device in a wireless communications network. In some embodiments, a method performed by a measuring device configured to communicate with a positioning device, comprises: determining a cross-correlation between a received signal and a transmitted reference signal; determining a channel impulse response (CIR) of the cross-correlation related to a first lobe detected above a selected threshold in said CIR; and reporting information on a truncated part of the CIR around the first lobe to the positioning device for enabling the positioning device to correct or estimate a measurement related to a distance between a transmitter and the measuring device and/or a distance between at least one reflecting cluster and the measuring device.

A method performed by a UE (102) that is being served by at least a first cell. The method includes the UE performing a multi round-trip-time, multi-RTT, positioning measurement (e.g., a UE Rx-Tx measurement), wherein the UE is configured with SRS for the measurement with respect to a second cell. The method also includes the UE detecting a need to change a serving cell. The method further includes, as a result of detecting the need to change a serving cell, the UE deciding whether to restart or continue performing the multi-RTT measurement. The UE is configured such that the UE continues the multi-RTT measurement if the serving cell change is for a cell different than the second cell in which the UE is configured with the SRS for the measurement.)

A method of operating a wireless communication device (101) attachable to a communications network (100) includes receiving a message (6000, 6002) from the communications network (100), the message (6000, 6002) being indicative of a request for a location report (6009) of the wireless communication device (101), and upon receiving the message (6000, 6002) and based on a positioning measurement, transmitting an uplink message (6003) of a random-access procedure (600) of the wireless communication device (101), the uplink message (6003) comprising the location report (6009).

The present disclosure relates to a method and an apparatus for establishing a positioning network. The positioning network includes a data processing center and at least one reference station, and one node in the positioning network represents one reference station. The method includes: determining, if a first historical positioning network capable of forming a new positioning network with a newly added node exists in a network list of the data processing center, whether the newly added node forms the new positioning network with the first historical positioning network; and determining, if the network list does not exist in the data processing center, whether the newly added node is capable of forming a new positioning network with nodes in a first node information list. Before network real-time kinematic (RTK) is formed, a user can use a single-baseline RTK positioning service. The network RTK is formed once a networking condition is met. A positioning network is gradually established, requirements of users may be satisfied with less investment when there are fewer users in the early stage, and the network is gradually formed with the increase of users, so that more users can be covered by using fewer base stations.