Error Control in ComputersComputing Center for Universities, Hardware Service Department, 1977 - Error-correcting codes (Information theory) - 75 pages |
Common terms and phrases
7-track magnetic 800 bpi magnetic 9-track magnetic tapes BCH codes binary block codes block length bpi Magnetic Tapes buffer storage burst errors burst of length byte check character check codes circuits code word convolutional codes correcting codes Correcting Errors CRC character CRC register cyclic code cyclic redundancy check d₁ data bits data block data character decoder detecting and correcting determined Equation erroneous track error burst error control error detecting error is undetectable error pattern error-free errors occur ESZK feedback shift register Fire code half-duplex Hamming code hardware method information bits information block Kodes magnetic discs mod 2 added mod g(x n-tuple nomial number of 1's number of errors number of information odd number parity bits parity check bits polynomial powerful error reading backward remainder S₁ shown in Fig single track error stop-and-wait ARQ syndrome transmitted two-direction parity check uncorrectable undetectable errors vector VRC bit zero