Design of Coding and Modulation for Power-Efficient Use of a Band-Limited Optical Channel
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We show that Q-ary pulse-position modulation with raised cosine pulses minimizes the average power (photons/s) required to communicate at a specified throughput rate (nats/s) over a band-limited, noisy optical channel. The best choice of Q is identified, as are other encoder parameters. © 1983 IEEE
author list (cited authors)
Snyder, D., & Georghiades, C.