Influence of Timing Offset in Multiband OFDM Systems

Abhayapala, T; Jayalath, D; Yuan, X; Zhang, J

Influence of Timing Offset in Multiband OFDM Systems

Abhayapala, T Jayalath, D Yuan, X Zhang, J

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Publication Type:: Conference
Issue Date:: 2007-03-12T22:05:32Z

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Field	Value	Language
dc.contributor.author	Abhayapala, T	en_AU
dc.contributor.author	Jayalath, D	en_AU
dc.contributor.author	Yuan, X	en_AU
dc.contributor.author	Zhang, J	en_AU
dc.date.accessioned	2007-03-12T22:05:32Z
dc.date.accessioned	2012-12-15T02:29:47Z
dc.date.available	2007-03-12T22:05:32Z
dc.date.available	2012-12-15T02:29:47Z
dc.date.issued	2007-03-12T22:05:32Z
dc.identifier.uri	http://hdl.handle.net/10453/19671
dc.description.abstract	In Cyclix Prefix OFDM (CP) systems, synchronization to the maximal multipath signal generally causes no problem, however, inter carrier interference (ICI) will be introduced in Zero-padding OFDM (ZP-OFDM) systems, e.g, multiband OFDM UWB (MB-OFDM) systems. In this paper, based on the overlap-and-add (ZP-OFDM-OLA) method typically applied in MB-OFDM, we analyze the cause of the ICI and the performance degradation due to the ICI. The expressions of the channel estimation error, signal-to-noise ratio and ICI are derived. Simulation results are also provided, which show good match with the theoretical results.	en_AU
dc.format.extent	185065 bytes
dc.format.mimetype	application/pdf
dc.language.iso	en_AU
dc.relation.replaces	http://hdl.handle.net/2100/79
dc.title	Influence of Timing Offset in Multiband OFDM Systems	en_AU
dc.type	Conference
utslib.copyright.status	open_access

Abstract:

In Cyclix Prefix OFDM (CP) systems, synchronization to the maximal multipath signal generally causes no problem, however, inter carrier interference (ICI) will be introduced in Zero-padding OFDM (ZP-OFDM) systems, e.g, multiband OFDM UWB (MB-OFDM) systems. In this paper, based on the overlap-and-add (ZP-OFDM-OLA) method typically applied in MB-OFDM, we analyze the cause of the ICI and the performance degradation due to the ICI. The expressions of the channel estimation error, signal-to-noise ratio and ICI are derived. Simulation results are also provided, which show good match with the theoretical results.

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http://hdl.handle.net/10453/19671