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Jonghyun Bang, Jemin Lee, Member, Seokjung Kim, and Daesik Hong, "An Efficient Relay Selection Strategy for Random Cognitive Relay Networks" IEEE Trans. Wireless Commun., Nov. 2014

[IEEE Trans. Wireless Commun.]
조회 57603 추천 1
Status : Published 
Date : 2014-11 
Title : An Efficient Relay Selection Strategy for Random Cognitive Relay Networks 
Authors : Jonghyun Bang, Jemin Lee, Member, Seokjung Kim, and Daesik Hong 
Journal : IEEE Trans. Wireless Commun. 
Abstract : Cognitive radio networks using relays have been introduced to enhance secondary network performance by having secondary users (SUs) transmit in two hops. This paper develops a framework for a random cognitive relay network (RCRN) where the primary, secondary, and relay nodes are randomly distributed according to Poisson point processes (PPPs) to investigate the effect of the random nature of the relays on secondary outage performance.
We first derive the optimal relay location in terms of the outage probability of the secondary network. In addition, we provide the outage probability of the RCRN based on the optimal relay selection strategy that compares the instantaneous channel state information (CSI) of all relays. We then propose an efficient relay selection strategy that reduces the selection complexity and the feedback burden by limiting candidate relays to those located close to the optimal relay location. This paper sheds new light on the design of an efficient RCRN with respect to elements such as the effects of network parameters and the candidate relay set size on the RCRN outage probability. 
URL : http://ieeexplore.ieee.org/xpl/articleDe...y+Networks 
Download : http://mirinae.yonsei.ac.kr/?module=file...le_srl=179 
Bang, J.; Lee, J.; Kim, S.; Hong, D., "An Efficient Relay Selection Strategy for Random Cognitive Relay Networks," Wireless Communications, IEEE Transactions on , vol.PP, no.99, pp.1,1
doi: 10.1109/TWC.2014.2370036
keywords: {Complexity theory;Interference;Quality of service;Relay networks (telecommunications);Silicon;Wireless communication;Cognitive relay networks;outage probability;selection diversity;stochastic geometry},
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6954530&isnumber=4656680
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» [IEEE Trans. Wireless Commun.] Jonghyun Bang, Jemin Lee, Member, Seokjung Kim, and Daesik Hong, "An Efficient Relay Selection Strategy for Random Cognitive Relay Networks" IEEE Trans. Wireless Commun., Nov. 2014 file Published  2014-11 
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