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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| Veröffentlicht in: | IEEE communications letters 2015-02, Vol.19 (2), p.263-266 |
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| creator | Liu, Zhixin Yuan, Huanhuan Li, Hongxiang Guan, Xinping Yang, Hongjiu |
| description | 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. |
| doi_str_mv | 10.1109/LCOMM.2014.2379718 |
| format | Article |
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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. 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Numerical results show the effectiveness of the algorithm, and also present the robustness of this system.</description><subject>amplify-and-forward</subject><subject>Fading</subject><subject>Optimization</subject><subject>Power control</subject><subject>Relay networks (telecommunications)</subject><subject>Resource management</subject><subject>robust distributed algorithm</subject><subject>Robustness</subject><subject>utility maximization</subject><issn>1089-7798</issn><issn>1558-2558</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1Lw0AQhhdRsFb_gF4CnlN39nvBSwlWhZZK1fOyyW40Jc3WTULpvze1xcu8c3ifGXgQugU8AcD6YZ4tF4sJwcAmhEotQZ2hEXCuUjKM82HHSqdSanWJrtp2jTFWhMMIPa5C3rdd8hZ2PiZZaLoY6qQMMZlutnVV7lPbuHQW4s5Gl6x8bfdV85W8F99-46_RRWnr1t-ccow-Z08f2Us6Xz6_ZtN5WlABXeqlZ0QqoXMKwIQtGOSu1IxrXljhpGbOAWfSUiyxdoprEHkunJfCcUw0HaP7491tDD-9bzuzDn1shpcGBGdKCAliaJFjq4ihbaMvzTZWGxv3BrA5WDJ_lszBkjlZGqC7I1R57_8BoZUklNJf3F5hyg</recordid><startdate>201502</startdate><enddate>201502</enddate><creator>Liu, Zhixin</creator><creator>Yuan, Huanhuan</creator><creator>Li, Hongxiang</creator><creator>Guan, Xinping</creator><creator>Yang, Hongjiu</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| ispartof | IEEE communications letters, 2015-02, Vol.19 (2), p.263-266 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | 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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