IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Regular Section
Differential ISI Cancellation for TDS-OFDM
Dengbao DU, Jintao WANG, Jun WANG, Ke GONG, Zhixing YANG
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Keywords: inter-symbol interference (ISI), time domain synchronous orthogonal frequency division multiplexing (TDS-OFDM), Viterbi decoder
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2010 Volume E93.B Issue 1 Pages 207-210

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Abstract

A differential inter-symbol interference (ISI) cancellation method for time domain synchronous orthogonal frequency division multiplexing (TDS-OFDM) systems is proposed. The differential output of an OFDM system can greatly reduce the impact of ISI in the frequency domain and it constructs a convolutional structure, thus the Viterbi decoding algorithm can be used to recover the transmitted information from the output signal. Simulation results show the effectiveness of the proposed method.

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© 2010 The Institute of Electronics, Information and Communication Engineers
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