Spectrum Sensing Using Weighted Covariance Matrix in Rayleigh Fading Channels.
Ming JinQinghua GuoJiangtao XiYouming LiYanguang YuDefeng David HuangPublished in: IEEE Trans. Veh. Technol. (2015)
Keyphrases
- covariance matrix
- fading channels
- spectrum sensing
- wireless communication
- cognitive radio networks
- cognitive radio
- ofdm system
- covariance matrices
- multipath
- sample size
- principal component analysis
- wireless networks
- computer simulation
- bit error rate
- gaussian distribution
- wireless channels
- code division multiple access
- objective function
- key technologies
- social networks
- wireless sensor networks
- channel coding
- sensor networks
- data streams
- feature selection