Abstract
Orthogonal frequency-division multiplexing (OFDM) systems are well known for their robustness against impulsive interference. However, the impulsive interference can still significantly affect performance of OFDM systems including terrestrial digital video broadcasting (DVB-T). In this paper we present initial laboratory measurements focused on the evaluation of DVB-T receivers' impulse interference immunity. First, the impulsive interference model is adopted and the set-up for impulse immunity measurement is introduced. Then several different measurements and results are presented. Two basic scenarios are selected for the measurements. In first one we assume impulsive interference with short impulsive noise pulse duration, where only one DVB-T symbol in burst sequence is corrupted. In second scenario the impulsive noise with impulses longer than DVB-T symbol is applied.
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