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Low complexity precoded OFDM system

Lookup NU author(s): Dr Sabah Nayyef, Dr Charalampos Tsimenidis, Professor Bayan Sharif, Dr Arafat Al-Dweik, Professor Said Boussakta

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Abstract

In this work, a new low complexity linear precoded orthogonal frequency division multiplexing (LP-OFDM) system, called Haar-OFDM (H-OFDM), is proposed. The proposed system employs a fast precoder, denoted as inverse D-precoder (IDP), which is derived by merging the operations of the fast Haar precoder (FHP) and inverse fast Fourier transform (IFFT) as one transform. Interestingly, the number of arithmetic operations required by the H-OFDM system are noticeably smaller than the conventional OFDM. Furthermore, extensive simulation results demonstrate that the H-OFDM system is robust against the frequency-selectivity of the channel.


Publication metadata

Author(s): Nayyef S, Tsimenidis C, Sharif B, Al-Dweik A, Boussakta S

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: IEEE International Conference on Communications (ICC-2013)

Year of Conference: 2013

Pages: 5032-5036

ISSN: 1550-3607

Publisher: IEEE

URL: http://dx.doi.org/10.1109/ICC.2013.6655378

DOI: 10.1109/ICC.2013.6655378


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