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Turbo Coded OFDM Receiver Using Joint Synchronization, Channel Estimation and Decoding

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4 Author(s)
Si Li ; Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, Que. ; Tho Le-Ngoc ; Soon Chan Kwon ; Jong-Soo Seo

This paper presents a turbo coded OFDM receiver structure using joint synchronization, channel estimation and decoding. In this proposed scheme, the estimator uses soft-decision information from the previous soft-input soft-output (SISO) decoder to produce better estimates of the unknown parameters, which will in turn help the decoder to make more reliable decision. The whole process will be performed in an iterative manner and good system performance can be achieved with only a few iterations for moderate initial synchronization errors.

Published in:

2007 IEEE Wireless Communications and Networking Conference

Date of Conference:

11-15 March 2007