Low complexity encoder and decoder

Details Low complexity encoder and decoder Low complexity encoder and decoder

2005-09-27

2005-09-27

Chase, Shelly A (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error/fault detection technique

Reexamination Certificate

active

06950979

ABSTRACT:
In one embodiment of the present invention, the efficiency of an encoder can be maintained while reducing the complexity of a decoder. In one embodiment, the invention includes a communication system in which a transmitter has a pipelined encoder that includes a controller that does not access a look-up table to encode a block of data bits into a binary codeword, and in which a receiver has a decoder to receive the binary codeword after transmission through a communications medium, and to correct an error in the binary codeword introduced during transmission without using a look-up table.

REFERENCES:
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patent: 4388684 (1983-06-01), Nibby et al.
patent: 5912905 (1999-06-01), Sakai et al.
patent: 6029264 (2000-02-01), Kobayashi et al.
patent: 6031875 (2000-02-01), Im
Oenning et al., A low-density generator matrix interpretation of parallel concatenated single bit parity codes, Mar. 2001, IEEE, Trans on Magnetics, vol. 37, No. 2, p. 737-741.
Patent Cooperation Treaty (PCT), The Internationational Search Report, International application No. PCT/US04/08279, Jan. 19, 2005, 4 pgs.

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