Method and system for determining a location of a client device, a client device apparatus and a network device apparatus

US10416279B2 · kind B2 · utility

Assignee

• SONY GROUP CORPORATION · JP

Inventors

• Thomas HANDTE · Stuttgart, DE
• Daniel Schneider · Stuttgart, DE
• Ben Eitel · Stuttgart, DE

Key dates

• Filing date: Jun 23, 2016
• Grant date: Sep 17, 2019
• Expiry date: Jun 23, 2036

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04W84/12
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A method for determining a location of a client device in a wireless network including the client device and at least three network devices, each of the three network devices having a known location comprises a pairwise exchanges of messages between at least three different pairs of network devices of said at least three network devices. In the pairwise exchange messages, wherein in a pairwise message exchange time difference information of the time difference between reception of a message and subsequent transmission of a message is included. This time difference information is used in the determination of the location of the client device.