Cited By
View all- Yang CWang WZhao SPeng M(2011)Opportunistic Decode-and-forward Cooperation in Nakagami-m Fading Channels with Relay SelectionWireless Personal Communications10.1007/s11277-011-0331-666:1(167-183)Online publication date: 6-May-2011
Performance of decode-and-forward opportunistic cooperation with the Nth best relay selected
Pages 1253 - 1257
Abstract
In this paper, we study the outage performance of decode-and-forward (DF) opportunistic communication systems with the Nth best relay selection scheme under independent but not necessarily identical Rayleigh fading channels. In traditional opportunistic cooperation, only the best relay helps forward the source's messages to the destination. However, in practical systems, the best relay may be unavailable due to scheduling and overload problems. In this case, another suboptimal but available relay may be selected to participate in cooperation. Without loss of generality, we analyze the performance when the Nth best relay is selected to cooperate and take the availability of the direct link between the source and the destination into consideration. In particular, we derive the exact expression of outage probability for arbitrary signal-to-noise (SNR), then we obtain the closed-form expression in high SNR region. Through asymptotic analysis, the diversity order which reflects the effect of the direct link is obtained and it is linearly related with the number of relays and the selection criterion N. Simulation results are presented to verify the analysis.
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- Performance of decode-and-forward opportunistic cooperation with the Nth best relay selected
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Published In
June 2010
1371 pages
ISBN:9781450300629
DOI:10.1145/1815396
- General Chairs:
- Ahmed Helmy,
- Peter Mueller,
- Program Chair:
- Yan Zhang
Copyright © 2010 ACM.
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Publication History
Published: 28 June 2010
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- State major science and technology special projects
- Ministry of Science and Technology of the People's Republic of China
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IWCMC '10
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IWCMC '10: 2010 International Wireless Communications and Mobile Computing Conference
June 28 - July 2, 2010
Caen, France
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Cited By
View all- Yang CWang WZhao SPeng M(2011)Opportunistic Decode-and-forward Cooperation in Nakagami-m Fading Channels with Relay SelectionWireless Personal Communications10.1007/s11277-011-0331-666:1(167-183)Online publication date: 6-May-2011
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