Patent ID: 7953389

Claim:
A smart wireless antenna subsystem providing intrusion detection and prevention, comprising in combination: one or more digital signal processors for controlling phases and time delays used in selectively steering a wireless radio frequency (RF) transmission beam pattern via an adaptive RF beamformer; an adaptive RF beamformer for adaptively and dynamically positioning RF nulls in the wireless RF transmission beam pattern to block one or more wireless network devices from accessing a wireless network, wherein the adaptive RF beamformer includes complex weighting factors to process incoming RF signals from a plurality of wireless antenna elements and a signal weight summer to add up processed RF signals to enhance RF signals of interest and ignore RF signals not of interest, wherein the adaptive RF beamformer dynamically and adaptively directs a selected rouge wireless network device or a selected rouge wireless access point to a wireless RF null in a wireless signal pattern with the smart wireless antenna subsystem; a direction of arrival detector for computing angles of arrival of incoming RF signals from the one or more wireless network devices and for passing the computed angles of arrival of the incoming RF signals to the adaptive RF beamformer; and a plurality of wireless antenna elements for receiving a plurality of wireless RF signals from the one or more wireless network devices via the wireless network, for passing the plurality of wireless RF signals to the direction of arrival detector and for sending wireless RF signals created by adaptive RF beamformer to the one or more wireless network devices, thereby providing an automated wireless network intrusion detection and prevention system for dynamically and adaptively detecting wireless device intruders to the wireless network and preventing the wireless device intruders from interfering with the wireless network.