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This paper deals with the problem of synchronization of bursty offset QPSK signals in the presence of frequency offset and additive white Gaussian noise. The main tasks of the receiver are to detect a burst (a frame of data) with a low acquisition time, to estimate and cancel the frequency and phase offset (carrier recovery), perform timing recovery, matched filtering and finally recover the data...
Using dasiabetter thanpsila Nyquist pulse the average bit error rate performance of a time-hopping pulse position modulation and TH-binary phase shift keying ultra-wideband systems has been evaluated in the presence of multiple access interference and additive white Gaussian noise for different system and pulse parameters such as repetition code length, roll-off factor and the symbol repetition rate...
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