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The paper deals with the estimation method of a carrier and time of arrival by chirp-like phase-coded sequence. The developed estimation method of the carrier and time of arrival is suitable for primary synchronization upon signal detection in phase and frequency modulation modems. This method is of less computational complexity relative to the realization of matched filter assembly. To implement...
This article discusses regularity between the temperature fluctuation of environment, in which operates the transmitting device, and a random frequency shift of a carrier. Shows how frequency stability over temperature of reference oscillators of transmitting devices influences the probability of packet loss as a result of collisions in asynchronous radio system without feedback. The analytical expressions...
There are obtained results of investigations of the FHSS on the probability of collisions in an asynchronous radio system without feedback with frequency instability of the carrier commensurate with the band of signal. It is shown that FHSS is inappropriate for reduce the probability of collisions with frequency instability of the carrier commensurate with the width of spectrum signal for normalized...
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