List Viterbi algorithms for continuous data transmission

Details List Viterbi algorithms for continuous data transmission List Viterbi algorithms for continuous data transmission

1998-04-03

2000-08-22

Chin, Stephen

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

714792, 714794, 714795, 714796, 375265, H03M 1303, H04L 2706

Patent

active

061083860

ABSTRACT:
List Viterbi algorithms are provided for decoding blocks or frames of convolutional coded information transmitted and received in a continuous mode, i.e., without blockwise termination with a tail. Viterbi decoding is utilized to estimate, for each respective one of a sequence of blocks of symbols, a terminating (and optionally a starting) state which is(are) used in subsequent application of a List Viterbi algorithm. The path memory should be sufficient to enable both the starting state and the terminating state used by the subsequent List Viterbi decoding to be estimated with reasonable accuracy and at the same time to keep track of the best paths between those states.

REFERENCES:
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patent: 5537444 (1996-07-01), Nill et al.
patent: 5822340 (1998-10-01), Stenstrom et al.
patent: 5881073 (1999-03-01), Wan et al.
patent: 5933462 (1999-08-01), Viterbi et al.
Seshadri et al, "List Viterbi Decoding Algorithms with Applications," IEEE Transactions on Communications, vol. 42, No. 2/3/4, p.313-323 (Feb./Mar./Apr. 1994).
Clark and Cain, "Error-Correction Coding for Digital Communications," Chapter 6 entitled "Convolutional Code Structure and Viterbi Decoding", p. 227-266 (1981).
Nill et al., "List and Soft Symbol Output Viterbi Algorithms: Extensions and Comparisons," IEEE Transactions on Communications, vol. 43, No. 2/3/4 p. 277-287 (Feb./Mar./Apr. 1993).
Cox et al., "An Efficient Adaptive Circular Viterbi Algorithm for Decoding Generalized Tailbiting Convolutional Codes," IEEE Transactions on Vehicular Technology, vol. 43, No. 1, p.57-68 (Feb. 1994).
Seshadri et al., "Generalized Viterbi Algorithms for Error Detection with Convolutional Codes," IEEE Global Telecommunications Conference & Exhibition, p.1534-1538, Dallas, Texas, Nov. 27-30, 1989.

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