Adaptive Discrimination Scheme for Quantum Pulse Position Modulation Signals

Abstract

In the communication scenario, we consider the problem of the discrimination between the signals of the Quantum Pulse Position Modulation. We propose a receiver scheme that employs repeated local measurements in distinct temporal slots within the symbol time interval, adaptively chosen on the basis of the outcomes in the previous slots. By employing Dynamic Programming to optimize each measurement, we approach the theoretical performance limit much closer than existing receiver schemes.

14 pages, 7 figures, extension of the receiver scheme with Generalized Kennedy-like local measurements, version accepted by PRA

References in corpus (1)

• Discrimination of the binary coherent signal: Gaussian-operation limit and simple non-Gaussian near-optimal receivers

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