Signal design for PAM data transmission to minimize excess bandwidth

Abstract

In a conventional PAM data transmission system, the transmitted signal is x(t) &#x003D; &#x03A3; &#x03B1;<inf>n</inf>g(t - nT), where {&#x03B1;<inf>n</inf>} is a 2<sup>L</sup>-level data sequence, and g(t) is a Nyquist pulse (g(0) &#x2260; 0, g(mT) &#x003D; 0, m &#x2260; 0). Ideally, the bandwidth of the pulse g(t) and, therefore, the bandwidth of x(t) can… (More)

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