Title :
On the analog implementation of the APP (BCJR) algorithm
Author :
Moerz, M. ; Hagenauer, J. ; Offer, E.
Author_Institution :
Inst. of Commun. Eng., Munich Univ. of Technol., Germany
Abstract :
Fundamental building blocks for analog decoders are introduced which transform log-likelihood ratios into probabilities and vice versa. By interconnecting these blocks general trellis modules can be designed for an analog VLSI implementation of the APP (BCJR) decoding algorithm
Keywords :
VLSI; analogue integrated circuits; analogue processing circuits; maximum likelihood decoding; probability; APP algorithm; BCJR algorithm; analog VLSI implementation; analog decoders; analog implementation; building blocks; general trellis modules; log-likelihood ratios; probabilities; Algorithm design and analysis; Bipolar integrated circuits; Decoding; Diodes; Magnetic recording; Microwave integrated circuits; Random variables; Very large scale integration; Viterbi algorithm; Voltage;
Conference_Titel :
Information Theory, 2000. Proceedings. IEEE International Symposium on
Conference_Location :
Sorrento
Print_ISBN :
0-7803-5857-0
DOI :
10.1109/ISIT.2000.866723
