TOA Positioning for a TDMA Localization System
Sihao Zhao, Xiaowei Cui, Shuang Xu, Mingquan Lu

TL;DR
This paper proposes a TDMA-based localization system where user devices determine their position solely through signals from base stations, eliminating the need for inter-base station synchronization and cables, thus enabling scalable and flexible positioning.
Contribution
The paper introduces a novel TDMA localization system that operates without inter-base station synchronization or cables, simplifying deployment and allowing independent user update rates.
Findings
System successfully estimates user positions using only TOA measurements from base stations.
No inter-base station cables or synchronization are required, reducing deployment complexity.
System supports dynamic user entry and exit with adjustable update rates.
Abstract
Positioning with one single communication between base stations and user devices can effectively save air time and thus expand the user volume to infinite. However, this usually demands accurate synchronization between base stations. Wireless synchronization between base stations can simplify the deployment of the positioning system but requires accurate clock offset estimation between base stations. A time division multiple access (TDMA) localization system in which user devices only receive signals from base stations to generate time of arrival (TOA) measurements to position themselves and no cables are needed to interconnect base stations for clock synchronization is proposed, implemented and tested. In this system, the user devices can easily join in or exit without influence to other users and the update rate of each user can be easily adjusted independently according to its…
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Taxonomy
TopicsIndoor and Outdoor Localization Technologies · Bluetooth and Wireless Communication Technologies · Power Line Communications and Noise
