Excavating
Patent
1989-06-19
1991-11-26
Beausoliel, Robert W.
Excavating
G06F 1110
Patent
active
050688596
ABSTRACT:
A method of formulating and packaging decision-making elements into a long constraint length Viterbi decoder which involves formulating the decision-making processors as individual Viterbi butterfly processors that are interconnected in a deBruijn graph configuration. A fully distributed architecture, which achieves high decoding speeds, is made feasible by novel wiring and partitioning of the state diagram. This partitioning defines universal modules, which can be used to build any size decoder, such that a large number of wires is contained inside each module, and a small number of wires is needed to connect modules. The total system is modular and hierarchical, and it implements a large proportion of the required wiring internally within modules and may include some external wiring to fully complete the deBruijn graph. pg,14
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Bozzola Fabrizio P.
Collins Oliver
Dolinar, Jr. Samuel J.
Hus In-Shek
Olson Erlend M.
Beausoliel Robert W.
California Institute of Technology
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