Kymeta Corporation

The Invention Science Fund I LLC

Echodyne Corp.

Leviton Manufacturing Company, Inc.

Searete LLC

Adam Bily

Nathan Kundtz

Ryan Allan Stevenson

John Desmond Hunt

Mikala Johnson

Tom Driscoll

Russell J Hannigan

Robert Tilman Worl

David R Nash

Charles A Renneberg

Ioannis Tzanidis

Jeff Dallas

Mohsen Sazegar

Nathan Ingle Landy

Milton Perque, Jr

Philip A Sullivan

Benjamin Sikes

Christopher L Lambrecht

Muhammad Rameez Chatni

Nicholas K Brune

Jonathan R Hull

Tarron Teeslink

Anna K Boardman

Bryan L Sparrowhawk

Jeffrey Alan Poulsen

Jason Erickson

Mike Slota

Mark LaCombe

Hua Wang

Frank Chin-Hwan Kim

Bret Taylor

Milton Perque

In an embodiment, an antenna subsystem includes a sparse receive antenna and an electronically steerable transmit antenna. The sparse receive antenna includes an array of electronically steerable receive elements each configured to receive a respective signal having a wavelength and each spaced apart from each adjacent one of the receive elements by a respective first distance that is more than one half of the wavelength, has an aperture, and is configured to generate a receive beam pattern. And the electronically steerable transmit antenna includes an array of transmit elements each configured to radiate a respective signal having the wavelength and each spaced apart from each adjacent one of the transmit elements by a respective second distance that is less than one half of the wavelength, has an aperture that is significantly smaller than the aperture of the sparse receive antenna, and is configured to filter, spatially, the receive beam pattern.

Antenna subsystem with analog beam-steering transmit array and sparse hybrid analog and digital beam-steering receive array

In an embodiment, an antenna subsystem includes a sparse receive antenna and an electronically steerable transmit antenna. The sparse receive antenna includes an array of electronically steerable receive elements each configured to receive a respective signal having a wavelength and each spaced apart from each adjacent one of the receive elements by a respective first distance that is more than one half of the wavelength. And the electronically steerable transmit antenna includes an array of transmit elements each configured to radiate a respective signal having the wavelength and each spaced apart from each adjacent one of the transmit elements by a respective second distance that is less than one half of the wavelength. To reduce aliasing, such an antenna subsystem can be operated to filter, spatially, a receive beam pattern generated by the receive antenna with a transmit beam pattern generated by the transmit antenna.

An apparatus is disclosed herein for a cylindrically fed antenna and method for using the same. In one embodiment, the antenna comprises: an antenna feed to input a cylindrical feed wave; a first layer coupled to the antenna feed and into which the feed wave propagates outwardly and concentrically from the feed; a second layer coupled to the first layer to cause the feed wave to be reflected at edges of the antenna and propagate inwardly through the second layer from the edges of the antenna; and a radio-frequency (RF) array coupled to the second layer, wherein the feed wave interacts with the RF array to generate a beam.

Dynamic polarization and coupling control from a steerable multi-layered cylindrically fed holographic antenna

An apparatus is disclosed herein for a cylindrically fed antenna and method for using the same. In one embodiment, the antenna comprises an antenna feed to input a cylindrical feed wave and a tunable slotted array coupled to the antenna feed.

Dynamic polarization and coupling control from a steerable cylindrically fed holographic antenna

An embodiment of an antenna array includes a transmit antenna and a receive antenna. The transmit antenna has, in one dimension, a first size, and has, in another dimension that is approximately orthogonal to the one dimension, a second size that is greater than the first size. And the receive antenna has, in approximately the one dimension, a third size that is greater than the first size, and has, in approximately the other dimension, a fourth size that is less than the second size. For example, such an antenna array, and a radar system that incorporates the antenna array, can provide a high Rayleigh resolution (i.e., a narrow Half Power Beam Width (HPBW)) with significantly reduced aliasing as compared to prior antenna arrays and radar systems for a given number of antenna-array channels.

Antenna array that includes analog beam-steering transmit antenna and analog beam-steering receive antenna arranged orthogonally to the transmit antenna, and related subsystem, system, and method

In an embodiment, an antenna includes a one-dimensional array of antenna cells, a signal feed, and signal couplers. The antenna cells are each spaced from an adjacent antenna cell by less than one half a wavelength at which the antenna cells are configured to transmit and to receive, are configured to generate an array beam that is narrower in a dimension than in an orthogonal dimension, and are configured to steer the array beam in the dimension. And the signal couplers are each configured to couple a respective one of the antenna cells to the signal feed in response a respective control signal having an active level. For example, the antenna cells can be arranged such that a straight line intersects their geometric centers.

Antenna array having a different beam-steering resolution in one dimension than in another dimension

An antenna apparatus and method for use of the same are disclosed herein. In one embodiment, the antenna comprises a single physical antenna aperture having at least two spatially interleaved antenna arrays of antenna elements, the antenna arrays being operable independently and simultaneously at distinct frequency bands.

Combined antenna apertures allowing simultaneous multiple antenna functionality

In an embodiment, an antenna subsystem includes a sparse receive antenna and an electronically steerable transmit antenna. The sparse receive antenna includes an array of receive elements each configured to receive a respective signal having a wavelength and each spaced apart from each adjacent one of the receive elements by a respective first distance that is more than one half of the wavelength. And the electronically steerable transmit antenna includes an array of transmit elements each configured to radiate a respective signal having the wavelength and each spaced apart from each adjacent one of the transmit elements by a respective second distance that is less than one half of the wavelength. To reduce aliasing, such an antenna subsystem can be operated to filter, spatially, a receive beam pattern generated by the receive antenna with a transmit beam pattern generated by the transmit antenna.

Antenna subsystem with analog beam-steering transmit array and digital beam-forming receive array

An apparatus is disclosed herein for a cylindrically fed antenna and method for using the same. In one embodiment, the antenna comprises: an antenna feed to input a cylindrical feed wave; a first layer coupled to the antenna feed and into which the feed wave propagates outwardly and concentrically from the feed; a second layer coupled to the first layer to cause the feed wave to be reflected at edges of the antenna and propagate inwardly through the second layer from the edges of the antenna; and an array of plurality of surface scattering metamaterial antenna elements coupled to the second layer and have slots oriented either +45 degrees or &#x2212;45 degrees relative to the cylindrical feed wave impinging at a central location of each slot.

Dynamic polarization and coupling control from a steerable, multi-layered cylindrically fed holographic antenna

Surface scattering antennas provide adjustable radiation fields by adjustably coupling scattering elements along a wave-propagating structure. In some approaches, the scattering elements are complementary metamaterial elements. In some approaches, the scattering elements are made adjustable by disposing an electrically adjustable material, such as a liquid crystal, in proximity to the scattering elements. Methods and systems provide control and adjustment of surface scattering antennas for various applications.

Surface scattering antennas

A reconfigurable holographic antenna includes a metamaterial layer and a waveguide with at least one ridge. The metamaterial layer includes an array of tunable slots configurable to form holographic diffraction patterns. A reactance of each tunable slot in the array of tunable slots is individually tunable. The at least one ridge influences coupling between tunable slots in the array of tunable slots. The holographic diffraction patterns formed by the array of tunable slots generate a desired antenna wave in response to a received feed wave.

Ridged waveguide feed structures for reconfigurable antenna

A reconfigurable holographic antenna includes a waveguide and a metamaterial layer. The metamaterial layer includes an array of tunable slots. In one embodiment, the array of tunable slots is configurable to generate holographic diffraction pattern(s) to steer received communication signals.

Waveguide feed structures for reconfigurable antenna

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Seattle, WA, United States of America

Adam Bily