Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/1300
Title: Adaptive modulation for completion time minimization in wireless broadcast networks
Authors: Yüksel, Melda
Genç, Yasin
207309
Keywords: Adaptive modulation
Broadcast channel
Completion time
Hierarchical modulation
Issue Date: 2017
Publisher: Elsevier Gmbh, Urban & Fischer Verlag
Source: Yuksel, M., & Genç, Y. (2017). Adaptive modulation for completion time minimization in wireless broadcast networks. AEU-International Journal of Electronics and Communications, 72, 72-78.
Abstract: In this work we study the effect of hierarchical modulation on completion time minimization in wireless broadcast channels. Time needed to transmit all bits intended for a particular user is defined as its completion time. In this work we investigate minimizing the maximum completion time over all users in a broadcast channel using hierarchical modulation. We compare time division, opportunistic scheduling, and three different adaptive modulation schemes: rate adaptive hierarchical modulation assisted transmission (HA), modified HA (MHA) and optimal HA (OHA). While HA aims at maximizing total throughput, OHA minimizes the maximum completion time, and MHA provides an intermediate solution. It is observed that OHA always chooses the best superposition order and the constellation size to minimize the maximum completion time. (C) 2016 Elsevier GmbH. All rights reserved.
URI: https://www.sciencedirect.com/science/article/pii/S1434841116307026?via%3Dihub
https://hdl.handle.net/20.500.11851/1300
ISSN: 1434-8411
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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