Detection and Cancellation of Narrowband Interference in Ultra Wideband Communication Systems

H. Quach and A. Dinh (Canada)


NBI detection, NBI cancellation, UWB systems.


This paper proposes a narrowband interference detection and cancellation for UWB communication systems. The technique includes the detection of the presence of an interference using signal spectrogram and turning on a cancellation unit. This unit estimates and generates the interferer then eliminates it by subtracting to a delay version of the UWB signal. This mitigation technique provides a cancellation gain between 3dB to 5dB in a multipath environment with the presence of a single ODFM WLAN interferer.

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