Effective Capacity Analysis in Underlay Cooperative Cognitive Radio Network

被引：0
|
作者：
Li, Rong [1 ]
Li, Ji [2 ]
机构：
[1] State Radio Monitoring Ctr, Beijing, Peoples R China
[2] State Radio Monitoring Ctr Testing Ctr, Beijing, Peoples R China
来源：
2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS) | 2014年
关键词：
SUPPORT;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Based on statistical delay quality of service (QoS) constraints, effective capacity in underlay cooperative cognitive radio network is investigated. Distinct from other researches, the cooperative transmission takes both direct link and relay link of secondary user into account. The secondary receiver merges the signals from the two links to obtain diversity gain and transmission reliability. Under the statistical delay QoS constraints, the paper obtains the maximum arrival-rate supported by the secondary user's cooperative links, and derives a closed-form expression of effective capacity. Finally, simulations are made to verify the performance of theoretical analysis.
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页数：4
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