Determination of long binary sequences having low autocorrelation functions
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United States of America Patent
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Jul 23, 2013
Grant Date -
Mar 15, 2012
app pub date -
Aug 11, 2011
filing date -
Aug 12, 2010
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Abstract
Systems, methods, and computer-readable media for determining long binary sequences having low autocorrelation functions using evolutionary processes are disclosed. Biphase sequences are found with low peak sidelobe values meeting a predetermined criterion, e.g., threshold low auto-correlation function, including application of semidefinite programming in connection with determining an initial population, and evolving the population with an evolutionary algorithm to bits of the biphase sequences including bit flipping. The found biphase sequences can be communicated to a variety of applications, including wireless communications technologies.
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