NDLI: Outage performance analysis of dual-hop AF relaying system with underlay spectrum sharing

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Outage performance analysis of dual-hop AF relaying system with underlay spectrum sharing

Content Provider	Semantic Scholar
Author	Tuyen, Luu Pham Bao, Vo Nguyen Quoc
Copyright Year	2012
Abstract	In this paper, we investigate the outage performance of underlay cognitive dual-hop relaying systems under the effect of using statistical instead of instantaneous information of the interference links (from the secondary source and relay to the primary user) and the first relaying link (from the secondary source to relay) to calculate transmit power and amplifying gain for secondary network. We derive the closed-form of outage probability expression for some considered cases and validate them through simulation results. It is numerically demonstrated that using instantaneous information of the first relaying link for calculating the amplifying gain plays a vital role while using interference link statistical information does not strongly affect the system performance. Furthermore, this work shows that the fixed gain specified by averaging the individual random components of the variable gain is not applicable in underlay cognitive dual-hop relaying systems.
Starting Page	481
Ending Page	486
Page Count	6
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://www.researchgate.net/profile/Vo_Nguyen_Bao/publication/224905896_Outage_performance_analysis_of_dual-hop_AF_relaying_system_with_underlay_spectrum_sharing/links/0912f50a856cc37523000000.pdf
Journal	2012 14th International Conference on Advanced Communication Technology (ICACT)
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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