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Mobile device, network node and method of determining the location of a mobile device

A mobile device, positioning reference signal technology, applied in the field of mobile devices, network nodes and determining the location of mobile devices, can solve the problem of significant energy consumption

Active Publication Date: 2021-09-24
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, energy consumption for receiving and processing positioning reference signals can be significantly

Method used

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  • Mobile device, network node and method of determining the location of a mobile device
  • Mobile device, network node and method of determining the location of a mobile device
  • Mobile device, network node and method of determining the location of a mobile device

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Embodiment Construction

[0033] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It will be understood that the following description of the embodiments is not in a limiting sense. The scope of the present invention is not intended to be limited by the embodiments described below or by the accompanying drawings, which are illustrative only.

[0034]The drawings are to be considered as schematic representations and elements shown in the drawings are not necessarily shown to scale. Rather, various elements are represented so that their functions and general purpose will become apparent to those skilled in the art. Any connection or coupling between functional blocks, devices, components or other physical or functional units shown in the figures or described herein may also be achieved through an indirect connection or coupling. Linkage between components may also be established via wireless connections. Functional blocks may be...

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Abstract

A mobile device, a network node and a method of determining the location of a mobile device. An apparatus receives a first positioning reference signal (151, 152) from a first base station in a first sequence (501) of transmission frames (202) of a wireless channel. The apparatus receives second positioning reference signals (153, 154) from a second base station in a second sequence (502) of transmission frames (202) that are at least partially different from the first sequence (501). The time difference of arrival is determined based on the first positioning reference signal (151, 152) and the second positioning reference signal (153, 154).

Description

technical field [0001] Various examples relate to positioning of mobile devices. In particular, various examples relate to positioning a mobile device based on transmitting a positioning reference signal via a wireless channel including a transmission frame. Background technique [0002] Positioning techniques for mobile devices are used in various technical fields. Sometimes positioning technology is combined with wireless communication. In this context, the specific technique is Observed Time Difference Of Arrival (OTDOA: Observed Time Difference Of Arrival). Here, downlink (DL) positioning reference signals are transmitted by multiple base stations and received by mobile devices. The mobile device can then determine a time difference of arrival (TDOA), sometimes referred to as a reference signal time difference (RSTD). TDOA may thus correspond to the observed time difference between positioning reference signals received from the target base station and the reference ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W64/00G01S5/00G01S5/08
CPCG01S5/02H04W64/003G01S5/0221G01S1/045G01S1/20G01S5/10G01S5/0063G01S5/08H04W64/00H04W4/029
Inventor B·帕利延多黄晟峰M·比尔
Owner SONY CORP