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Enhanced DCT-OFDM System With Index Modulation

He, Chang, Cao, Aijun, Xiao, Lixia, Zhang, Lei, Xiao, Pei and Nikitopoulos, Konstantinos (2019) Enhanced DCT-OFDM System With Index Modulation IEEE Transactions on Vehicular Technology.

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Abstract

Discrete cosine transform (DCT) based orthogonal frequency division multiplexing (OFDM), which has double number of subcarrier compared to the classic discrete fourier transform (DFT) based OFDM (DFT-OFDM) at the same bandwidth, is a promising high spectral efficiency multicarrier techniques for future wireless communication. In this paper, an enhanced DCT-OFDM with index modulation (IM) (EDCT-OFDM-IM) is proposed to further exploit the benefits of the DCT-OFDM and IM techniques. To be more specific, a pre-filtering method based DCT-OFDM-IM transmitter is first designed and the non-linear maximum likelihood (ML) is developed for our EDCT-OFDM-IM system. Moreover, the average bit error probability (ABEP) of the proposed EDCT-OFDM-IM system is derived, which is confirmed by our simulation results. Both simulation and theoretical results are shown that the proposed EDCT-OFDM-IM system exhibits better bit error rate (BER) performance over the conventional DFT-OFDM-IM and DCT-OFDM-IM counterparts.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
He, Changc.he@surrey.ac.uk
Cao, Aijunac00281@surrey.ac.uk
Xiao, Lixial.xiao@surrey.ac.uk
Zhang, Leilz0004@surrey.ac.uk
Xiao, PeiP.Xiao@surrey.ac.uk
Nikitopoulos, Konstantinosk.nikitopoulos@surrey.ac.uk
Date : 2019
Funders : Engineering and Physical Sciences Research Council (EPSRC)
Copyright Disclaimer : © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords : Discrete cosine transform (DCT); Index modulation (IM); Performance analysis
Related URLs :
Depositing User : Clive Harris
Date Deposited : 30 Jan 2019 15:40
Last Modified : 30 Jan 2019 15:40
URI: http://epubs.surrey.ac.uk/id/eprint/850325

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