Abstract
Confidentiality performance is analyzed in detail for a 2-D incoherent
optical code-division multiple access (OCDMA) system, especially a
multi-user two-code-keying
wavelength-hopping
time-spreading (WHTS) code system. The WHTS system's robustness against
brute-force attacks is discussed. Other than brute-force attacks, several
practical approaches are proposed to compromise the WHTS system. The
effectiveness of these practical approaches is theoretically analyzed and an
experimental demonstration is provided. Possible approaches to improve WHTS
system's confidentiality are proposed and discussed.
© 2010 IEEE
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