EEMCS

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Abstract

There has been an interest in recent years in exploiting noise modulation for the transmission of analog and digital information in radio communications. Because of their broad bandwidth noise signals can be used to spread the information signal letting us to transmit an ultra wideband (UWB) signal. Noise communication can use a delay line both at the transmitter and at the receiver. To distinguish between the modulated signal and the reference signal the time offset is much larger then the coherence time of the noise carrier. In this thesis the performance of the time offset transmitted reference is determined in the presence of the AWGN in terms of signal-to-beat noise ratio (SNR) and bit error rate (BER). The broadband noise carrier is modeled as a Gaussian distribution. The result is a simple expression where the beat-noise and the number of users are involved.

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