Excavating
Patent
1980-12-11
1982-08-10
Atkinson, Charles E.
Excavating
G06F 1110
Patent
active
043441718
ABSTRACT:
A hybrid scheme for controlling transmission errors in digital data communication systems. Normally, data blocks with a small number of parity digits for error detection are transmitted. When the presence of errors is detected, the retransmissions are not the original data blocks but some properly selected blocks for correcting errors in those erroneously received data blocks which are stored in a buffer at the receiver. The retransmitted blocks are formed based on the original data blocks and error-correcting codes with an invertible property. When such blocks are received, they are used to recover the original data blocks either by an inversion operation or by a decoding process.
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P. S. Sindhu, Retransmission Error Control with Memory, IEEE Trans. on Comm., vol. Com-25, No. 5, May 1977, pp. 473-479.
Lin and Yu, Preventive Error Control Scheme, IBM Technical Disclosure Bulletin, vol. 24, No. 6, Nov. 1981, pp. 2886-2891.
Lin and Yu, Hybrid Selective-Repeat ARQ with Finite Buffer, IBM Tech. Discl. Bulletin, vol. 24, No. 6, Nov. 1981, pp. 2883-2885.
Lin Shu
Yu Philip S.
Atkinson Charles E.
International Business Machines - Corporation
Schlemmer, Jr. Roy R.
Young Philip
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