Robust Power Control for Amplify-and-Forward Relaying Scheme

Power control problem is investigated for amplify-and-forward cellular relay network in this letter. Since the wireless channels vary with time, we aim at a power allocation scheme that is robust to the fluctuations. An optimization problem is formulated which targets at utility maximization subject...

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Vydané v:	IEEE communications letters Ročník 19; číslo 2; s. 263 - 266
Hlavní autori:	Liu, Zhixin, Yuan, Huanhuan, Li, Hongxiang, Guan, Xinping, Yang, Hongjiu
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	New York IEEE 01.02.2015 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:	amplify-and-forward Fading Optimization Power control Relay networks (telecommunications) Resource management robust distributed algorithm Robustness utility maximization robust distributed algorithm amplify-and-forward (AF) utility maximization Power control
ISSN:	1089-7798, 1558-2558
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Abstract	Power control problem is investigated for amplify-and-forward cellular relay network in this letter. Since the wireless channels vary with time, we aim at a power allocation scheme that is robust to the fluctuations. An optimization problem is formulated which targets at utility maximization subject to a pre-defined outage probability threshold and limited power at relay station. With that, a distributed iterative algorithm is proposed to obtain the optimal power. Numerical results show the effectiveness of the algorithm, and also present the robustness of this system.
AbstractList	Power control problem is investigated for amplify-and-forward cellular relay network in this letter. Since the wireless channels vary with time, we aim at a power allocation scheme that is robust to the fluctuations. An optimization problem is formulated which targets at utility maximization subject to a pre-defined outage probability threshold and limited power at relay station. With that, a distributed iterative algorithm is proposed to obtain the optimal power. Numerical results show the effectiveness of the algorithm, and also present the robustness of this system.
Author	Hongxiang Li Xinping Guan Zhixin Liu Huanhuan Yuan Hongjiu Yang
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Cites_doi	10.1109/TVT.2013.2296977 10.1109/BEIAC.2013.6560153 10.1109/TSP.2011.2109958 10.1007/s11277-009-9761-9 10.1017/CBO9780511804441 10.1109/TIT.2010.2043765 10.1109/TIT.2004.838089 10.1109/ICC.2012.6364392 10.1109/TMC.2008.153 10.1109/TCOMM.2013.13.120727 10.1109/TCOMM.2010.07.080277 10.1109/TWC.2013.050313.121691 10.1109/JSEE.2012.00082
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Keywords	robust distributed algorithm amplify-and-forward (AF) utility maximization Power control
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SubjectTerms	amplify-and-forward Fading Optimization Power control Relay networks (telecommunications) Resource management robust distributed algorithm Robustness utility maximization
Title	Robust Power Control for Amplify-and-Forward Relaying Scheme
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