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Adaptive Reed-Solomon Coding Scheme for OFDM Systems Over Frequency-Selective Fading Channels

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3 Author(s)
Tran, T.A. ; McGill Univ., Montreal, QC ; Chehrazi, N. ; Le-Ngoc, Tho

This paper discusses an adaptive modulation/coding (AMC) strategy based on frequency-domain channel statistical information for OFDM systems in a frequency-selective fading environment. The proposed approach is based on the fact that the statistical properties of a time-varying channel vary very slowly with time and thus it is possible to obtain reliable knowledge at the transmitter. A programmable Reed-Solomon RS (n,k) code used with an adaptive multi-level modulation scheme is proposed as an illustrative example. Derivations of the frequency-domain channel statistical properties and performance of the proposed technique are presented along with illustrative results.

Published in:

Vehicular Technology Conference, 2006. VTC-2006 Fall. 2006 IEEE 64th

Date of Conference:

25-28 Sept. 2006