Energy Efficiency Analysis of Secondary Networks in Cognitive Radio Systems

被引:0
|
作者
Mesodiakaki, Agapi [1 ]
Adelantado, Ferran [2 ]
Alonso, Luis [1 ]
Verikoukis, Christos [3 ]
机构
[1] Tech Univ Catalonia UPC, Signal Theory & Commun Dept, Castelldefels, Spain
[2] Open Univ Catalonia, Barcelona, Spain
[3] Telecommun Tech Ctr Catalonia, Castelldefels, Spain
关键词
Cooperative Spectrum Sensing; Feature Detection; CSMA/CA; Green Communications;
D O I
暂无
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
In this paper, we evaluate a novel contention-aware channel selection algorithm that focuses on energy efficiency improvement of a secondary network (SN) in a scenario where other non-cooperating SNs are also using the primary resources. We present a detailed energy efficiency analysis and we study how the time between two consecutive sensing periods affects the energy efficiency. Our analysis proves that a categorization of the idle channels based on their contention level and the selection of the less contended ones can result in up to 70% gain in energy efficiency. The model is further evaluated through simulations.
引用
收藏
页码:4115 / +
页数:2
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