Partial spread OFDM

Ali Elghariani; Michael D. Zoltowski

doi:10.1117/12.919624

3 May 2012 Partial spread OFDM

Proceedings Volume 8404, Wireless Sensing, Localization, and Processing VII; 84040B (2012) https://doi.org/10.1117/12.919624
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

In this paper, partial spread OFDM system has been presented and its performance has been studied when different detection techniques are employed, such as minimum mean square error (MMSE), grouped Maximum Likelihood (ML) and approximated integer quadratic programming (IQP) techniques . The performance study also includes applying two different spreading matrices, Hadamard and Vandermonde. Extensive computer simulation have been implemented and important results show that partial spread OFDM system improves the BER performance and the frequency diversity of OFDM compared to both non spread and full spread systems. The results from this paper also show that partial spreading technique combined with suboptimal detector could be a better solution for applications that require low receiver complexity and high information detectability.

Citation Download Citation

Ali Elghariani and Michael D. Zoltowski "Partial spread OFDM", Proc. SPIE 8404, Wireless Sensing, Localization, and Processing VII, 84040B (3 May 2012); https://doi.org/10.1117/12.919624

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