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The use of a DPSK de-modulator by an eavesdropper to extract the data stream of a two-code keyed O-CMDA transmitter is experimentally explored. A possible scheme for masking this vulnerability is also presented.
Vulnerability, based on a DPSK receiver, permitting an eavesdropper access to code-switched transmission without knowledge of the phase code in an O-CDMA system is explored. A scheme to block this vulnerability is also presented.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.