Effects of CSI on ASEP Based Opportunistic DF Relaying Systems

被引：10

作者：

Cui, Haixia ^{[1
,2
]}

Wei, Gang ^{[1
]}

Wang, Yide ^{[3
]}

机构：

[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510641, Peoples R China

[2] Guangzhou Univ, Sch Phys & Elect Engn, Guangzhou 510006, Guangdong, Peoples R China

[3] Univ Nantes, Inst Rech Electrotech & Elect, Nantes Atlantique Lab, Ecole Polytech, F-44306 Nantes, France

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2011年 / 60卷 / 04期

关键词：

Channel state information (CSI); decode and forward (DF); error performance; opportunistic relaying; outage probability; FORWARD COOPERATIVE COMMUNICATIONS; PERFORMANCE ANALYSIS; SELECTION; OUTAGE; PROBABILITY; CAPACITY; SNR;

D O I：

10.1109/TVT.2011.2131694

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper addresses issues on the assessment of the performance degradation caused by decreasing channel state information (CSI) of cooperative communication systems that employ opportunistic decode-and-forward (DF) relay under Nakagami-m fading conditions. Exact closed-form performance expressions are derived for the end-to-end average symbol error probability (ASEP) for both partial-and full-CSI relaying schemes over a sufficiently wide range of signal-to-noise ratio (SNR) regions. Finally, the performances of the two schemes in terms of ASEP are compared, and the system performance degradation caused by decreasing CSI is investigated through both analysis and simulations.

引用

页码：1898 / 1904

页数：8

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