Detection of wireless devices

Details Detection of wireless devices Detection of wireless devices

2006-01-10

2009-08-04

Phan, Huy Q (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S328000, C370S310200, C370S349000, C370S310000, C455S403000, C455S420000, C455S423000, C455S009000

Reexamination Certificate

active

07570625

ABSTRACT:
A method, system, apparatus, and computer-readable medium to determine whether a device having access to a network is wireless. A method for determining whether a device is wireless includes sending a specially-constructed packet to the device via a network. The packet is constructed so that the source address for the packet is a physical address on the network for the device. If the device does not send a response to the packet, a determination is made that the device is wireless. If the device sends a response to the packet, a determination is made that the device is wired. In one embodiment of the invention, the physical address for the device is a Media Access Control (MAC) address. The initial packet may, for example, request the physical address for the device and may be sent in response to detecting a communication to or from the suspect device.

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