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OFDM transmission for ISI channels using variable-length pilot symbols and pre-FFT equalizer with enhanced MRC diversity reception

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4 Author(s)
M. Yoshida ; Fujitsu Ltd., Yokosuka, Japan ; E. Ishizu ; N. Yamashita ; Y. Amezawa

We present an attractive approach for OFDM transmission, using variable-length pilot symbols (VLP) and a pre-FFT equalizer, performed by time-domain signal processing. The performance of our proposed system is examined using broadband and fast fading ISI channels. The results indicate the potential for a high-quality channel for the fourth generation (4G) mobile communication system that provides both a data rate of more than 100 Mbps and speed of more than 200 km/h, and has a delay spread of approximately σ=2μs.

Published in:

Global Telecommunications Conference, 2003. GLOBECOM '03. IEEE  (Volume:4 )

Date of Conference:

1-5 Dec. 2003