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Square-Root Nyquist Filter Design for QAM-Based Filter Bank Multicarrier Systems

Taheri, Sohail, Ghoraishi, Mir, Xiao, Pei, Zhang, L and Xin, Yu (2018) Square-Root Nyquist Filter Design for QAM-Based Filter Bank Multicarrier Systems IEEE Transactions on Vehicular Technology.

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Filter bank multicarrier systems with quadrature amplitude modulation (FBMC/QAM) have drawn attentions to get the advantage of complex symbol transmission, as well as very low out of band radiation and relaxed synchronization requirements for asynchronous scenarios. In order to make this system viable for practical deployment, the biggest challenge is designing appropriate filters to minimize the interference between adjacent subcarriers, while maintaining the Nyquist property of the filter. We show that the deviation from the Nyquist property can be compensated through the fractional shift of the filtered symbols, which provides flexibility to optimize the stopband of the filter. The proposed design method shows advantages over the state of the art designs, and provides guidance for the filter design in practical FBMC/QAM systems.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Zhang, L
Xin, Yu
Date : 2 July 2018
Funders : University of Surrey 5GIC
DOI : 10.1109/TVT.2018.2847730
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.
Depositing User : Melanie Hughes
Date Deposited : 12 Jun 2018 15:28
Last Modified : 31 Jul 2018 11:40

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