The Richardson-Lucy Algorithm Based Demodulation Algorithms for ...

Introduction
Two-dimensional ISI Channel Model
Wiener Based Demodulation Algorithms
Richardson-Lucy Based Demodulation Algorithms
Comparison of Wiener and Richardson-Lucy Based Algorithms
Conclusions
Some Concerns
Blind and Nonblind Richardson-Lucy Algorithms
Richardson-Lucy Algorithm for AWGN Channel
Richardson-Lucy Based Demodulation Algorithms
Blind Demodulation with Progressive Thresholding
BER Performance
The probability of cutting n 0 (x, y)
P r [ñ 0 (x, y) ≠ n 0 (x, y)] = 1 − erf (4/ √ 2) ≈ 3.67 × 10 −6 (18)
Where does ν go?
v(x, y) = h(x, y) ∗ ∗s(x, y) + ñ 0 (x, y) + ν (19)
Answer:
v(x, y) = h(x, y) ∗ ∗ [s(x, y) + ν] + ñ 0 (x, y) (20)
Zhijun Zhao and Richard E. Blahut
The Richardson-Lucy Algorithm Based Demodulation Algorithm