Performance of a BPSK NB Receiver in MB-OFDM UWB Interference

TitlePerformance of a BPSK NB Receiver in MB-OFDM UWB Interference
Publication TypeConference Paper
Year of Publication2006
AuthorsNasri, A., R. Schober, and L. Lampe
Conference NameCommunications, 2006. ICC '06. IEEE International Conference on
Pagination4700 -4705
Date Publishedjun.

In this paper, we evaluate the effect of multi¿band orthogonal frequency division multiplexing (MB¿OFDM) ultra¿wide-band (UWB) interference on a narrowband (NB) receiver. For this purpose, we first derive an analytical expression for the exact moment generating function (MGF) of MB¿OFDM UWB interference. Subsequently the bit error rate (BER) of a binary phase¿shift keying (BPSK) NB receiver impaired by MB¿OFDM UWB interference and additive white Gaussian noise is analyzed. We show that for NB signal bandwidths much smaller and much larger than the OFDM sub¿carrier spacing a Gaussian approximation (GA ) and an impulsive GA of the MB¿OFDM UWB interference leads to accurate performance predictions, respectively. However, for most NB signal bandwidths of practical interest the exact BER analysis has to be used to obtain meaningful results.


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