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Iterative OFDM receiver with channel estimation and frequency-offset compensation

Version 2 2024-06-05, 01:19
Version 1 2019-06-11, 16:02
conference contribution
posted on 2024-06-05, 01:19 authored by HN Xuan, C Jinho
In this paper, using the turbo principle, different iterative receiver designs are proposed for orthogonal frequency division multiplexing (OFDM) systems under a time-varying channel environment. In the presence of carrier frequency offset (CFO) error, the iterative receiver can improve the performance as better channel estimation and CFO compensation are available through iterations. The mitigation of the CFO is carried out via the two proposed methods - time domain compensation (TDC) and frequency domain cancellation which uses a decision feedback equalizer (DFE-FDC). The complexity of the DFE-FDC method is higher than that of the TDC approach as more operations are required to update the DFE coefficients. However, our simulation results show that the DFE-FDC outperforms the TDC for each iteration.

History

Volume

9

Pagination

4583-4588

Location

Istanbul, Turkey

Start date

2006-06-11

End date

2006-06-15

ISSN

0536-1486

ISBN-13

9781424403554

ISBN-10

1424403553

Language

eng

Publication classification

E1.1 Full written paper - refereed

Copyright notice

2006, IEEE

Editor/Contributor(s)

[Unknown]

Title of proceedings

ICC 2006 : Bridging continents through communications : Proceedings of the 2006 IEEE International Conference on Communications

Event

IEEE Communications Society. Conference (2006 : Istanbul, Turkey)

Publisher

Institute of Electrical and Electronics Engineers

Place of publication

Piscataway, N.J.

Series

IEEE Communications Society Conference

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