Robust OFDM system with ml-HIM encoding

Authors:
M. J. Dehghani
Affiliations:
Department of Electrical Engineering, Shiraz University of Technology, Shiraz, Iran
Venue:
EURASIP Journal on Wireless Communications and Networking
Year:
2006

Citing 4
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Abstract

Differential encoding is a widely used technique in the context of orthogonal frequency division multiplexing (OFDM) as an alternative to coherent channel estimation and equalization. In this paper, the performance of differential encoding using a multilag higher-order instantaneous moment (ml-HIM) in OFDM system is investigated. It is shown that by using proper order and lags, the ml-HIM decoder is capable to make a robust system against the phase distortion and the intercarrier interference (ICI) caused by phase distortion and frequency offset.