Level crossing rate and average outage duration of incremental DF relay channel

Authors:
Weixu Zhan;Guijuan Wang;Guangchi Zhang;Jiayin Qin
Affiliations:
School of Information and Science, Sun Yat-sen University. Guangzhou, Guangdong, China;Computer Department of South China Normal University, Guangzhou, Guangdong, China;School of Information and Science, Sun Yat-sen University. Guangzhou, Guangdong, China;School of Information and Science, Sun Yat-sen University. Guangzhou, Guangdong, China
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

The incremental relaying scheme is one of the most efficient strategies in relay networks, whose channel model is quite different from the typical cellular channel and amplify-and-forward (AF) relay channel. As very little knowledge about the second-order statistics of the incremental relay fading channel based on decode-and-forward (DF) protocol, the level crossing rate (LCR) and average outage duration (AOD) of the incremental relay networks based on DF protocol are studied in this paper. The expressions of LCR and AOD are obtained in the Rayleigh fading environments. This result can help us to calculate the fading frequency and severe degree of wireless relay channel, and properly selecting the transmission symbol rate, packet length and time slot duration.