Wireless data network security

Details Wireless data network security Wireless data network security

2008-05-20

2008-05-20

Anderson, Matthew (Department: 2618)

Telecommunications

Interference signal transmission

C455S414100, C455S078000

Reexamination Certificate

active

07376384

ABSTRACT:
Access to a wireless data network to nodes located in a defined operational area is limited by transmitting a network signal within the defined operational area while transmitting a wave that can cause destructive interference with the network signal into a prohibited area adjacent to the defined operational area. The wave that can cause destructive interference is produced by phase and/or amplitude modulating the network signal. The modulation of the network signal includes sweeping the phase and/or amplitude.

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U.S. Appl. No. 60/364,224, Inventors: Schroeder et al., Date: Mar. 14, 2002.

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