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US 2003/0169833 A1Published application
Viterbi decoder
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorKouichi Nagano
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Abstract
A path storing circuit has path holding parts at a plurality of stages storing a survivor path and corresponding to times. A majority decision circuit receives output values of three delay circuits including the top and bottom delay circuits each receiving a selected output of a selector out of six delay circuits in the path holding part at the final stage and makes a decision by a majority.
Claims10
A Viterbi decoder comprising
- a path storing circuit,
- said path storing circuit including:
- path holding parts at a plurality of stages corresponding to times, respectively, said path holding parts storing a survivor path;
- a plurality of selectors for selecting a value to be input to said path holding parts in accordance with a path selection signal;
- and
- a majority decision circuit for receiving output values of a part of delay circuits in said path holding part at the final stage and making a majority decision.
3 more elements
Dependencies are inferred from the claim text.