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Delayed Bit Interleaved Coded Sparse Code Multiple Access

Mheich, Zeina, Liu, Zilong, Xiao, Pei and Maaref, Amine (2020) Delayed Bit Interleaved Coded Sparse Code Multiple Access IEEE Transactions on Vehicular Technology.

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Abstract

Targeting to provide reliable short-packet communications with tens of bits in machine-type networks, we investigate a novel sparse code multiple access (SCMA) scheme called delayed bit-interleaved coded SCMA (DBIC-SCMA). At the transmitter side, a delay module is introduced between each channel encoder and SCMA mapper such that data bits from different channel codewords can be mapped to an identical SCMA codeword. We present the main components and principles for the transmitter of DBIC-SCMA, followed by a pre-decoding assisted receiver design which exploits systematic and rate-adaptive properties of certain channel codes. Our simulation results show that the proposed DBIC-SCMA leads to significant improvements in error rate performance over the classical BIC-SCMA scheme.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Mheich, Zeinaz.mheich@surrey.ac.uk
Liu, Zilongzilong.liu@surrey.ac.uk
Xiao, PeiP.Xiao@surrey.ac.uk
Maaref, Amine
Date : 11 May 2020
Funders : Engineering and Physical Sciences Research Council (EPSRC)
DOI : 10.1109/TVT.2020.2993900
Copyright Disclaimer : © 2020 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 : NOMA; SCMA; BICM; DBICM; LDPC; Turbo; Receivers; Modulation; Transmitters; Delays; Decoding; Parity check codes; Error analysis
Depositing User : Clive Harris
Date Deposited : 08 Jun 2020 16:55
Last Modified : 08 Jun 2020 16:56
URI: http://epubs.surrey.ac.uk/id/eprint/857123

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