10
Echo Cancellation
Giovanni Cherubini
10.2 Echo Cancellation for Pulse–Amplitude Modulation Systems
10.3 Echo Cancellation for Quadrature Amplitude Modulation Systems
10.4 Echo Cancellation for Orthogonal Frequency Division Multiplexing Systems
10.1 Introduction
Full-duplex data transmission over a single twisted-pair cable permits the simultaneous flow of information in two directions when the same frequency band is used. Examples of applications of this technique are found in digital communications systems that operate over the telephone network. In a digital subscriber loop, at each end of the full-duplex link, a circuit, known as hybrid, separates the two ...
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