PPT Slide

m1 m2 ... mk

mi ? ?

C(m)

c1 c2 ... ci cn1

c1 X ... ci X X cn1

D(R)

m1 m2 ... mk

Noise (t letters changed)

Message m

Encoding C( )

Codeword C(m)

Noise

Received word R

Decoding D( )

Message m (hopefully)

The Situation/Problem

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