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Journal Articles IEEE Communications Letters Year : 2017

DCT-OFDM with Index Modulation

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Abstract

In this letter, index modulation (IM) is proposed for OFDM systems based on a discrete cosine transform (DCT) implementation. The new DCT-OFDM-IM scheme is shown to yield spectral efficiency improvements of up to 38% relative to OFDM-IM and up to 55% relative to OFDM while occupying the same bandwidth and maintaining similar robustness against frequency selective fading channels for low modulation orders.
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Dates and versions

hal-01488900 , version 1 (14-03-2017)

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Marwa Chafii, Justin P Coon, Dene A Hedges. DCT-OFDM with Index Modulation. IEEE Communications Letters, 2017, 21 (7), pp.1489-1492. ⟨10.1109/LCOMM.2017.2682843⟩. ⟨hal-01488900⟩
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