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Proceedings Paper

Space-time processing for MIMO-OFDM using DFT-based complementary sequences
Author(s): Chad C. Lau; Robert Calderbank; Michael D. Zoltowski
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Paper Abstract

In this paper, a new space-time signaling scheme is proposed for Orthogonal Frequency Division Multiplexing (OFDM) using complementary sequences derived from the rows of the DFT matrix. The autocorrelative properties of the complementary sequences allows multiple complex data signals at the transmitter with an arbitrary number of antennas to be perfectly separated and reconstructed at the receiver without prior channel knowledge while achieving full-rate. This new method is proposed and derived for multiple MIMO-OFDM systems with multipath fading; at the receiver, symbol estimation is effected via maximum likelihood estimation (ML).

Paper Details

Date Published: 28 April 2010
PDF: 12 pages
Proc. SPIE 7706, Wireless Sensing, Localization, and Processing V, 770608 (28 April 2010); doi: 10.1117/12.851020
Show Author Affiliations
Chad C. Lau, Purdue Univ. (United States)
Robert Calderbank, Princeton Univ. (United States)
Michael D. Zoltowski, Purdue Univ. (United States)


Published in SPIE Proceedings Vol. 7706:
Wireless Sensing, Localization, and Processing V
Sohail A. Dianat; Michael D. Zoltowski, Editor(s)

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