Use of error correcting code to carry additional data bits
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United States of America Patent
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Dec 11, 2018
Grant Date -
Nov 23, 2017
app pub date -
Jan 23, 2017
filing date -
Jun 15, 2015
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Abstract
Integrated circuits, systems and methods are disclosed in which data bits protected by error correction code (ECC) detection and correction may be increased such that a combination of primary and additional bits may also be ECC protected using existing ECC allocation, without affecting ECC capabilities. For example, the additional bits may be encoded into phantom bits that are in turn used in combination with the primary bits, to generate an ECC. This ECC may then be combined with the primary bits to form a code word. The code word may be transmitted (or stored) so that when the data bits are received (or retrieved), assumed values of the phantom bits may be decoded, using the ECC, back into the additional bits without the phantom bits or the additional bits ever having transmitted (or stored).
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