Abstract:Echo cancellation in two-wire full-duplex data transmission is usually performed with datadriven transversal filters. In this paper, we propose a new scheme for a microprocessor-based digital adaptive echo canceler. We call it "memory-tap echo canceler" (MTEC) because its taps are made of time-delayed L groups of memory registers. Since the estimated echo signals are directly derived from the binary-nature data, the manipulations involved are multiplicationfree for any modulation scheme ( baseband, or passband… Show more
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