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Title: Transmission strategies and resource allocation for fading broadcast relay channels
Authors: Işıkman, Arif Önder
Yüksel, Melda
Keywords: Broadcast relay channel
Long-term power constraint
Outage probability
Power allocation
Issue Date: 2015
Publisher: Elsevier Gmbh, Urban & Fischer Verlag
Source: Isikman, A. O., & Yuksel, M. (2015). Transmission strategies and resource allocation for fading broadcast relay channels. AEU-International Journal of Electronics and Communications, 69(4), 699-707.
Abstract: In this paper the broadcast relay channel, where the source communicates with multiple destinations with the help of a single relay is studied. Five different transmission protocols, direct transmission, multihop (MH), multihop with link combination (MHLC), path selection (PS) and path selection with link combination (PSLC) are investigated. In MH and MHLC, the relay decodes the source message and assists both destinations. In PS and PSLC, the relay can perform partial decoding and has the option to help only one of the destinations. Under long-term power constraint, power allocation for delay-limited transmission is performed to minimize common outage probability and individual outage probability region. For comparison, lower bounds on both common and individual outage probabilities are found. Numerical results suggest that path selection significantly lowers outage probabilities, while enforcing the relay to help both destinations simultaneously is limiting the system performance. (C) 2014 Elsevier GmbH. All rights reserved.
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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