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Convolutional Decoder Performance on VHF and Troposcatter Channels.
ARMY ELECTRONICS COMMAND FORT MONMOUTH N J
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Convolutional codes are quite powerful, easily implemented error correcting codes. Decoders for these codes can be probabilistic or deterministic. The primary decoders investigated were the Massey diffuse decoder fixed, deterministic, the adaptive Gallager decoder adaptive, deterministic and the Viterbi decoder Probabilistic. A limited number of simulations of these decoders were conducted using troposcatter and VHF channel error data. Comparative results and conclusions are discussed. Author
APPROVED FOR PUBLIC RELEASE