NDLI: A simulation-based comparison of IEEE 802.11's timing advertisement and SyncTSF for clock synchronization

Content Provider	IEEE Xplore Digital Library
Author	Mahmood, A. Exel, R. Sauter, T.
Copyright Year	2015
Description	Author affiliation: Center for Integrated Sensor Syst., Danube Univ. for Continuing Educ., Wiener Neustadt, Austria (Mahmood, A.; Exel, R.; Sauter, T.)
Abstract	The absence of built-in clock synchronization support for IEEE 802.11 networks has been a concern for industrial applications which are seeking to use wireless networking on the factory floor. In IEEE 802.11-2012, the timing advertisement (TA) mechanism is proposed which provides guidelines for the application synchronization. It involves calculating and maintaining the time offset with respect to the timing synchronization function (TSF) timer of the access point. In the wireless stations, the TSF-based synchronization mechanism and the offset are combined to establish synchronization to an external timebase. With respect to the lack of implementation guidelines and support for the TA scheme, this paper compares and discusses the TA scheme and the software-based SyncTSF scheme previously proposed by the authors, which employs the TSF timer as the timing source in the network. The initial simulation results show that both schemes can provide similar performance, depending upon the controller design and the timestamping technique.
Starting Page	1
Ending Page	4
File Size	163340
Page Count	4
File Format	PDF
ISBN	9781479982448
DOI	10.1109/WFCS.2015.7160569
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-27
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Synchronization Wireless LAN IEEE 802.11 Standards Hardware Wireless communication precision IEEE 802.11 wireless local area network clock synchronization IEEE 1588 Timing Advertisement timestamping accuracy
Content Type	Text
Resource Type	Article

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