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Seokjung Kim, Hyunsoo Kim, and Daesik Hong, "Capacity Comparison of Opportunistic Relaying System with Outdated Channel Information," IEEE ICC 2015
[IEEE ICC]
조회 32636
Status : | Presented |
---|---|
Date : | 2015-06 |
Title : | Capacity Comparison of Opportunistic Relaying System with Outdated Channel Information |
Authors : | Seokjung Kim, Hyunsoo Kim, and Daesik Hong |
Conference : | IEEE ICC 2015 |
Abstract : | In this paper, we investigate the impact of outdated channel state information (CSI) on the capacity of an opportunistic relaying system. We derive the closed-form expressions of the channel capacity and its associated outage probability of reactive relay selection for four adaptive transmission techniques. Analytical and numerical results show that the rate adaptation policy achieves better performance compared to the sub-optimal channel inversion in the presence of outdated CSI. In addition, design insights and useful observations for relay selection can be deduced from these results, implying that CSI accuracy in the source-relay link plays a significant role in determining the relay selection strategy for given system parameters. |
URL : | http://ieeexplore.ieee.org/xpl/articleDe...earch=true |
Download : | http://mirinae.yonsei.ac.kr/?module=file...le_srl=343 |
Seokjung Kim; Hyunsoo Kim; Daesik Hong, "Capacity comparison of opportunistic relaying system with outdated channel information," inCommunications (ICC), 2015 IEEE International Conference on , vol., no., pp.2215-2220, 8-12 June 2015
doi: 10.1109/ICC.2015.7248654
keywords: {channel capacity;probability;relay networks (telecommunication);CSI;adaptive transmission techniques;channel capacity;opportunistic relaying system;outage probability;outdated channel state information;rate adaptation policy;reactive relay selection strategy;source-relay link;Accuracy;Adaptive systems;Data communication;Decoding;Relays;Signal to noise ratio;Wireless communication},
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7248654&isnumber=7248285
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