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Information Theoretic Analysis of OFDM/OQAM with Utilized Intrinsic Interference

Razavi, R, Xiao, Pei and Tafazolli, Rahim (2015) Information Theoretic Analysis of OFDM/OQAM with Utilized Intrinsic Interference IEEE Signal Processing Letters, 22 (5). pp. 618-622.

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Abstract

In this paper, the capacity of OFDM/OQAM with isotropic orthogonal transfer algorithm (IOTA) pulse shaping is evaluated through information theoretic analysis. In the conventional OFDM systems the insertion of a cyclic prefix (CP) decreases the system’s spectral efficiency. As an alternative to OFDM, filter bank based multicarrier systems adopt proper pulse shaping with good time and frequency localisation properties to avoid interference and maintain orthogonality in real field among sub-carriers without the use of CP. We evaluate the spectral efficiency of OFDM/OQAM systems with IOTA pulse shaping in comparison with conventional OFDM/QAM systems, and our analytical model is further extended in order to gain insights into the effect of utilizing the intrinsic interference on the performance of our system. Furthermore, the spectral efficiency of OFDM/OQAM systems is analyzed when the effect of inter-symbol and inter-carrier interference is considered.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Razavi, R
Xiao, PeiP.Xiao@surrey.ac.uk
Tafazolli, RahimR.Tafazolli@surrey.ac.uk
Date : 1 February 2015
Funders : EPSRC - Engineering and Physical Sciences Research Council
DOI : 10.1109/LSP.2014.2364898
Copyright Disclaimer : © 2014 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 : Intrinsic interference; OFDM/OQAM
Depositing User : Symplectic Elements
Date Deposited : 28 Mar 2017 13:14
Last Modified : 30 Sep 2019 10:40
URI: http://epubs.surrey.ac.uk/id/eprint/806485

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