A classical bit is sent down an optical fibre link modelled as a binary symmetric…
PHYSICS · Subjective · Fermi University Physics · Quantum Information & Technology · Quantum information theory and communication · Quantum information theory and communication
Quantum Information and Technology, Ch Entropy and compression
Problem
A classical bit is sent down an optical fibre link modelled as a binary symmetric channel: each transmitted bit X is flipped to give the received bit Y with probability Q=0.08, independently for each bit, and X is equally likely to be 0 or 1. Compute the mutual information I(X:Y) in bits per transmitted bit.