System and method for checking validity of data transmission

Details System and method for checking validity of data transmission System and method for checking validity of data transmission

2004-12-29

2008-12-09

Vu, Huy D. (Department: 2616)

Multiplex communications

Communication techniques for information carried in plural...

Assembly or disassembly of messages having address headers

C714S746000

Reexamination Certificate

active

07463649

ABSTRACT:
A system for checking the validity of data transmission includes a data transmitting computer (1), a data receiving computer (2), and a network (3). The data transmitting computer is used for generating a check-code of original data, and sending a data packet, which includes the original data and the check-code, to the data receiving computer via the network. The data transmitting computer includes a shift operation unit (111), an addition operation (112) unit, a complement operation unit (113), and a control unit (114). The data receiving computer is used for receiving the data packet from the data transmitting computer, and determining whether the data packet is valid. The data receiving computer includes a shift operation unit (211), an addition operation unit (212), and a control unit (213). A related method is also disclosed.

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John G. Fletcher (IEEE Transactions On Communications, vol. COM-30, No. 1, Jan. 1982 “Arithmetic Checksum for Serial Transmissions”.

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