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

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