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JSAC
1998
13 years 4 months ago
1998
JSAC
1998
13 years 4 months ago
1998
—We apply two reduced-computation variants of the BCJR algorithm to the decoding of serial and parallel concatenated convolutional codes. One computes its recursions at only M st...
JSAC
1998
13 years 4 months ago
1998
Abstract—The excellent bit error rate performance of new iterative decoding algorithms (e.g., turbodecoding) is achieved at the expense of a computationally burdensome decoding p...
JSAC
1998
13 years 4 months ago
1998
—The performance and design of turbo codes using coherent BPSK signaling on the Rayleigh fading channel is considered. In low signal-to-noise regions, performance analysis uses s...
JSAC
1998
13 years 4 months ago
1998
Abstract—We present a unified graphical model framework for describing compound codes and deriving iterative decoding algorithms. After reviewing a variety of graphical models (...