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Orthogonal affine precoder design for jointly optimal channel estimation and symbol detection in MIMO-OFDM systems

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3 Author(s)
N. N. Tran ; School of Electrical Engineering and Telecommunications, The University of New South Wales (UNSW) Sydney, 2052, Australia ; H. D. Tuan ; Ha H. Nguyen

Affine preceding superimposes training signals on linearly precoded data. It enhances symbol recovery and effectively identifies the frequency-selective fading channel. Previous works have shown its advantage over the standard time-multiplexed training. This paper considers orthogonal affine precoding for joint channel estimation and symbol detection in wireless MIMO-OFDM systems. Analytical and numerical results confirm its ability to efficiently identify the unknown wireless channel as well as effectively recover the data symbols, while conserving the transmission bandwidth.

Published in:

Communications and Information Technologies, 2007. ISCIT '07. International Symposium on

Date of Conference:

17-19 Oct. 2007