Release Time:2019-03-11  Hits:

Indexed by: Conference Paper

Date of Publication: 2013-11-20

Included Journals: Scopus、CPCI-S、EI

Page Number: 203-208

Key Words: cognitive radio; spectrum sensing; imperfect reporting channel; Wi-Fi networks; K out of N rule

Abstract: Cognitive radio is a promising technology to improve the utilization of wireless spectrum resources. It can solve the spectrum shortage in Wi-Fi networks due to wireless Internet access. Spectrum sensing is the core functionality in cognitive radio networks. In this paper, we analyze the sensing performance and find optimal K in K out of N rule over imperfect reporting channels. Numerical evaluations illustrate that bit error probability over the reporting channel degrades the performance of the Wi-Fi network and that how the optimal sensing time affects the throughput of the Wi-Fi network.