Method for forming data block protection information for serial

Details Method for forming data block protection information for serial Method for forming data block protection information for serial

1987-07-21

1989-07-25

Fleming, Michael R.

Excavating

371 38, G06F 1110

Patent

active

048520977

ABSTRACT:
A data block protection information code word (BSI) is formed by division of a message polymonial representing a data bit sequence (D) by a generator polynomial representing a cyclical binary code. Registers are arranged in register chains in a coder unit provided for this purpose with a polynomial ordinal number being allocated to every register representing a member of the binary code. Given the presence of a term at the ordinal corresponding to the registers (R) of the respective register chains (RK) missing in the polynomial ordinal seris, a respective logic element (V) is inserted to which an operation information is supplied, said operation information being formed in a means for the formation of the operation information (EBV) by parallel processing of a plurality of data bits together with information at the outputs of the registers (R) corresponding to the highest polynomial ordinals. As a result thereof, the processing speed of a coder unit is reduced, and thus, making possible the use of programmable or computer-controlled coder units with high speed data transmission rates.

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patent: 4700350 (1987-10-01), Douglas
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8049 IEE Proceedings Section A & I, vol. 130, No. 5, Aug. 1983, pp. 468-475.
Elektronik 1976, vol. 8, pp. 55-59.
IEEE Transactions on Information Theory, vol. 15, No. 1, Jan. 1969, pp. 109-111.
IBM Technical Disclosure Bulletin, vol. 8, No. 4 Sep. 1965, pp. 535-538.
Proc. IEE, vol. 117, No. 4, Apr. 1970, pp. 681-686.

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