Asynchronous spread spectrum multi-carrier multiple access systems with pilot symbol aided channel estimation

S Kaiser,W.A Krzymien

doi:10.1109/vetecf.1999.800277

Asynchronous spread spectrum multi-carrier multiple access systems with pilot symbol aided channel estimation

S Kaiser, W.A Krzymien

https://doi.org/10.1109/vetecf.1999.800277

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Publication Date: Sep 19, 1999

Citations: 8

Affiliation: German Aerospace Center, University of Alberta

#Spread Spectrum Multi-carrier Multiple Access #Pilot Symbol Aided Channel Estimation + Show 8 more

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Abstract

Asynchronism between the users in multiple access systems like spread spectrum multi-carrier multiple access (SS-MC-MA) or multi-carrier CDMA causes intersymbol interference (ISI) and inter-subchannel interference (ICI) due to the loss of orthogonality. In this paper we investigate the effects of ISI and ICI on the performance of the asynchronous SS-MC-MA system uplink with pilot symbol-aided channel estimation. Moreover, we consider the suitability of power boosting of the pilot symbols to improve the link performance.

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