Treatment of temporary narrowband interference in non-coherent multiband impulse radio UWB

This paper considers low complex interference handling with regard to temporary narrowband interference occurrence within a non-coherent On-Off Keying based multiband impulse radio UWB system. The approach allows a precise and reliable sub-band specific on-line detection of narrowband interference's presence or absence within a packet's data phase. Due to the system's instability after detection of interference absence, a decision threshold replacement is applied to correctly demodulate the data packet's remaining possibly not interfered data bits. Hence, an increased flexibility with respect to efficient interference handling as well as a significant performance gain can be achieved.