For Problem 5.6 (Channel Equalization), the manual wrote: “You cannot undo the past. You can only predict the next symbol. That is why the Viterbi algorithm is sad.”
The next morning, Dean Voss burst into Aris’s office waving a termination letter. “You wrote a poetry manual! Students are crying in the lab! One of them solved MIMO by… by feeling the electromagnetic field!” Fundamentals Of Wireless Communication Solution Manual
Aris looked up, calm. “Did they solve it?” For Problem 5