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Capacity of the Poisson Channel with Random Noise Intensity
An upper bound B 1 is given for the information capacity of the Poisson channel with marginally stationary random noise intensity and causal feedback. The capacity is shown to converge to B 1 in the limit of longer and longer communication intervals for a class of random noise intensities including the case in which the noise intensity is nontime-varying. An upper bound B 1 on the capacity is also established for the Poisson channel with marginally stationary noise and no feedback. In this casedoi:10.21236/ada207226 fatcat:uwx3vmw4uvbrrjqwk65mhevx6m