The frequency-domain approach is widely used in Global positioning system(GPS) receiver tracking loop performance analysis.In realization,the Digital phase-locked loop(DPLL) is used.There is differenc
In the application of Wireless sensor networks(WSNs),effective estimation for link quality is a basic issue in guarantying reliable data transmission and upper
Security issues of spectrum sensing have drawn a lot of attentions in Cognitive radio networks(CRNs).Malicious users can mislead the network to make wrong decis