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A comparison of time- and RSS-based radio localization for the factory floor

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2 Author(s)
Reinhard Exel ; Institute for Integrated Sensor Systems, Austrian Academy of Sciences, Viktor Kaplan Straße 2, A-2700 Wr. Neustadt, Austria ; Thilo Sauter

Wireless communication systems have many potential benefits for industrial applications, one of them being the support for mobile devices. In such scenarios, determining the position of a wireless node is an essential task which should be accomplished directly and reliably by the communication system. Two popular approaches are the received signal strength (RSS) and time-measurement methods based on signal propagation delays. In this paper, we investigate the attainable localization accuracy for both approaches based on a WLAN setup. Theory and experiments with different setups show that the time-of-flight method is far better than RSS, however at the expense of a higher implementation effort.

Published in:

Factory Communication Systems (WFCS), 2012 9th IEEE International Workshop on

Date of Conference:

21-24 May 2012