Comparison of wired and wireless synchronization with clock drift compensation suited for U-TDoA localization

Swen Leugner, Mathias Pelka, Horst Hellbruck

Abstract

Indoor localization with Uplink Time Difference of Arrival (U-TDoA) provides good scalability, high updates rates and high accuracy. However, clock errors lead to localization errors and synchronization is important. In this paper, we design and implement wired and wireless synchronization and provide a comparison between them. We design and implement a wireless synchronization with clock drift compensation. For wired and wireless synchronization, we discuss reasons for clock deviation that lead to localization errors. We evaluate both approaches in a U-TDoA measurement setup. Finally, we provide recommendations for wired and wireless synchronization. Additionally to localization, wireless synchronization is suited for Time Division Multiple Access (TDMA).

Original languageEnglish
Title of host publication2016 13th Workshop on Positioning, Navigation and Communications (WPNC)
PublisherIEEE
Publication date17.01.2017
Article number7822846
ISBN (Print)978-1-5090-5441-1
ISBN (Electronic)978-1-5090-5440-4
DOIs
Publication statusPublished - 17.01.2017
Event13th Workshop on Positioning, Navigation and Communication - Jacobs University Bremen, Bremen, Germany
Duration: 19.10.201620.10.2016
Conference number: 126033

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