Performance analysis of serial cooperative communications with decode-and-forward relaying and blind-EGC reception under Nakagami fading channels

Authors:
Feng Xu;Qing F. Zhou;Francis C. M. Lau;Dian-Wu Yue;Sau F. Hau
Affiliations:
Alcatel Lucent Shanghai Bell Enterprise Communications Co. Ltd., China and College of Information Sci. and Techn., Dalian Maritime Univ., Dalian, China and Dept. of Electronic and Information Eng. ...;Department of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hong Kong;Department of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hong Kong;College of Information Science and Technology, Dalian Maritime University, Dalian, China and National Mobile Communications Research Laboratory, Southeast University, Nanjing, China;Department of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hong Kong
Venue:
IEEE Transactions on Wireless Communications
Year:
2009

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Abstract

We analyze a serial cooperative transmission system with DF relaying over Nakagami fading channels. We consider a system in which the simple receivers will not estimate the amplitude of the received signals. Hence, signals are combined with equal gain before decoding. Moreover, the relays use a simple protocol when relaying the messages -- they retransmit the message if they can decode the received message correctly; otherwise, they do not transmit anything and remain idle. We will derive an exact expression for the asymptotic symbol error rate of the system and evaluate the diversity properties.