Research Article

The Information Theoretic Approach to Signal Anomaly Detection for Cognitive Radio

Figure 5

(a) WLAN signal with interference at  ms from a Bluetooth device. (b) Both KLD and L1D analyses of the signal result in detection of the anomaly. KLD appears to be better than L1D since it leads to a much larger peak and lower noise.
740594.fig.005a
(a)
740594.fig.005b
(b)