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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Subband data-processing procedure for a single-carrier and multi-carrier mixture scenario with the number of modulated symbols , the number of subbands and the number of subcarriers in each subband or .