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Turbo Equalization of Coded OFDM Symbols in Poor HF Channels

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2 Author(s)
Ureten, O. ; Sch. of Inf. Technol. & Eng., Ottawa Univ., Ont. ; Serinken, N.

In this paper, an iterative receiver that utilizes soft outputs of a FEC decoder to improve channel estimates iteratively is proposed. At each iteration, reliable symbols are selected and included in the extended training set. The channel is re-estimated using the extended set at successive iterations. The performance of the proposed technique is tested in simulated poor HF channels and shown to improve the performance by about 2 dB at a BER of 10-4 over the non-iterative case

Published in:

Electrical and Computer Engineering, 2006. CCECE '06. Canadian Conference on

Date of Conference:

May 2006

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