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Modulo-type Viterbi decoder for high-speed digital transmission systems

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2 Author(s)
Kyu-Min Kang ; Dept. of Electron. & Electr. Eng., Pohang Univ. of Sci. & Technol., South Korea ; Gi-Hong Im

In this letter, we present a module-type Viterbi decoder (VD) which is a combination of module operation and VD at the receiver. We describe design rules by which the module-type VD and the conventional VD have the same functionality regardless of the shape of the folded-module area or the constellation. The module-type VD in conjunction with the Tomlinson-Harashima precoder at the transmitter reduces the system complexity significantly as compared to a conventional VD.

Published in:

IEEE Communications Letters  (Volume:4 ,  Issue: 2 )