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Comparative study of optimization approaches for the issue of Out of Band power emission in OFDM systems

Publisher : International Journal of Engineering Research and Technology

Campus : Coimbatore

Center : Computational Engineering and Networking

Verified : Yes

Year : 2014

Abstract : Out of band power emission is considered as a serious issue in multi carrier modulation techniques such as orthogonal frequency division multiplexing (OFDM). Precoding is a good solution for this issue. Precoder maps the original modulated signal vector to a new vector, whose elements are close to that of the original but the out of band power spectrum is minimal . In this paper, we made a comparative study of two recently introduced precoder formulations.

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