On the joint source-channel decoding of variable-length encodedsources: the BSC case |
| |
Authors: | Subbalakshmi KP Vaisey J |
| |
Affiliation: | Dept. of Electr. & Comput. Eng., Stevens Inst. of Technol., Hoboken, NJ; |
| |
Abstract: | This paper proposes an optimal maximum a posteriori probability decoder for variable-length encoded sources over binary symmetric channels (BSC) that uses a novel state-space to deal with the problem of variable-length source codes in the decoder. This sequential, finite-delay, joint source-channel decoder delivers substantial improvements over the conventional decoder and also over a system that uses a standard forward error correcting code operating at the same over all bit rates. This decoder is also robust to inaccuracies in the estimation of channel statistics |
| |
Keywords: | |
|
|