Using Hidden Markov Models to enable performance awareness and noise variance estimation for energy detection in cognitive radio.
Dusadee TreeumnukDimitrie C. PopescuPublished in: CISS (2012)
Keyphrases
- cognitive radio
- noise variance
- spectrum sensing
- cognitive radio networks
- noisy images
- wireless communication
- noise level
- regularization parameter
- wireless networks
- energy consumption
- base station
- correlation coefficient
- wiener filter
- estimation error
- image noise
- energy efficient
- natural images
- error rate
- computer systems