Apparatus and method for transmitting/receiving error...

Details Apparatus and method for transmitting/receiving error... Apparatus and method for transmitting/receiving error...

2007-09-25

2007-09-25

Chung, Phung My (Department: 2117)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S715000, C714S781000

Reexamination Certificate

active

10742684

ABSTRACT:
Disclosed is an apparatus for generating an error detection information bit sequence for determining a length of data sequence transmitted in a communication system. The apparatus comprises a plurality of cascaded registers, the number of which is identical to the number of bits in the error detection information bit sequence, and a plurality of adders arranged on paths determined by a predetermined generator polynomial, each of the adders adding a bit sequence received through an input path to a feedback bit sequence. During reception of the control information sequence, an operator generates the feedback bit sequence by sequentially adding bits of the control information sequence to output bits of a final register and provides the generated feedback bit sequence to the adders. After completion of receiving the control information sequence, the operator sequentially adds a preset input bit to output bits of the final register and outputs the addition result as the error detection information bit sequence. An initial value controller provides the registers with a selected initial value separately determined for the data sequences.

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