Abstract: An embodiment of the present invention provides an apparatus, comprising a frequency agile, directive patch antenna in a phased array with frequency agile elements, wherein the directive patch antenna is capable of generating a main radiation beam that is capable of being steered using electronically controlled phased shifters and wherein at least one tunable capacitors controls the resonant response of individual antenna elements within the phased array.

Abstract: A mesh type wireless communication network includes a plurality of nodes, each node having at least one dynamically directionally controllable communications link, and a network controller for dynamically changing the direction of the controllable communications links of the nodes to enable transmission of signals between the nodes. A hub type wireless communication network includes a hub node having at least one dynamically directionally controllable communications link, a plurality of remote nodes, and a network controller for dynamically controlling the direction of the communications link to enable transmission of signals between the hub node and the remote nodes.

Abstract: A voltage-controlled tunable filter includes at least two cavity resonators electrically coupled to each other. A voltage tunable dielectric capacitor is positioned within each of the resonators. Connections are provided for applying a control voltage to the voltage tunable dielectric capacitors. An input is coupled to the one of the resonators, and an output is coupled to the other resonator.

Abstract: A multi-beam antenna system is described herein that can be used in microwave frequency applications between 1 GHz and 100 GHz. The multi-beam antenna system covers four 90° sectors for full 360° coverage. Each 90° sector is covered with at least 1 narrow steerable transmit (TX) and 1 narrow steerable receive (RX) beam. The beams are steered in the azimuth dimension.

Abstract: A voltage-controlled tunable filter includes at least two cavity resonators electrically coupled to each other. A voltage tunable dielectric capacitor is positioned within each of the resonators. Connections are provided for applying a control voltage to the voltage tunable dielectric capacitors. An input is coupled to the one of the resonators, and an output is coupled to the other resonator.

Abstract: A beam steering, frequency agile antenna having low insertion loss, fast tuning speed, high power-handling capability, high IP3 and low cost in the microwave frequency range. The beam steering, frequency agile antenna comprising an array of antenna elements, said antenna array elements loaded with tunable dieletric capacitors in order to tune their frequency response; and an electronic phase shifter controlling said array of antenna elements in order to spatially scan the main radiation beam, said tunable dielectric capacitor comprising a substrate having a low dielectric constant with planar surfaces, a tunable dielectric film on said substrate of low loss tunable dielectric material, metallic electrodes with predetermined length, width, and gap distance; and low loss isolation material used to isolate an outer bias metallic contact and a metallic electrode on said tunable dielectric.

Abstract: A voltage-controlled tunable filter includes at least two cavity resonators electrically coupled to each other. A voltage tunable dielectric capacitor is positioned within each of the resonators. Connections are provided for applying a control voltage to the voltage tunable dielectric capacitors. An input is coupled to the one of the resonators, and an output is coupled to the other resonator.