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Joint sparse graph for FBMC/OQAM systems

Wen, Lei, Xiao, Pei, Razavi, R, Imran, Muhammad, AL-Imari, M, Maaref, A and Lei, J (2018) Joint sparse graph for FBMC/OQAM systems IEEE Transactions on Vehicular Technology, 67 (7). pp. 6098-6112.

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As an advanced non-orthogonal multiple access (NOMA) technique, the low density signature (LDS) has never been used in filter bank multicarrier (FBMC) systems. In this paper, we model a low density weight matrix (LDWM) to utilize the intrinsic interference in FBMC systems when single-tap equalization is employed, and propose a LDS-FBMC scheme which applies LDS to FBMC signals. In addition, a joint sparse graph for FBMC named JSG-FBMC is proposed to combine single graphs of LDS, LDWM and low density parity-check (LDPC) codes which respectively represent techniques of NOMA, multicarrier modulation and channel coding. By employing the message passing algorithm (MPA), a joint receiver performing detection and decoding simultaneously on the joint sparse graph is designed. Extrinsic information transfer (EXIT) charts and construction guidelines of the joint sparse graph are studied. Simulations show the superiority of JSG-FBMC to state-of-theart techniques such as OFDM, FBMC, LDS-OFDM, LDS-FBMC and turbo structured LDS-FBMC.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Razavi, R
AL-Imari, M
Maaref, A
Lei, J
Date : 28 February 2018
Funders : EPSRC
DOI : 10.1109/TVT.2018.2810638
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 : FBMC, Joint sparse graph, Joint detection and decoding, Multicarrier system.
Depositing User : Melanie Hughes
Date Deposited : 28 Feb 2018 10:22
Last Modified : 11 Dec 2018 11:23

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