Passive reflectors providing phase distribution and methods of fabricating the same
AssigneeCorning Research & Development Corporation
InventorsViacheslav Viacheslavovich Ivanov, Aleksandr Volkov
Life of this patent
Estimating the term…
Abstract
Passive reflectors for wireless communication networks and methods of their fabrication are disclosed. In one embodiment, a passive reflector for reflecting a RF beam, the passive reflector includes a dielectric substrate. The passive reflector also includes a reflector includes an array of unit cells, where the reflector array is provided on a surface of the dielectric substrate, each unit cell includes a first conductive loop and a second conductive loop that is orthogonal to the first conductive loop, and each unit cell provides a phased distribution for two different polarizations.
Claims20
A passive reflector for reflecting a RF beam, the passive reflector comprising:
- a dielectric substrate;
- and
- a reflector array comprising an array of unit cells, wherein:
- the reflector array is provided on a surface of the dielectric substrate;
- each unit cell comprises a first conductive loop and a second conductive loop that is orthogonal to the first conductive loop;
- and
- each unit cell provides a phase response for two different polarizations.
A passive reflector for reflecting a RF beam, the passive reflector comprising:
- a dielectric substrate;
- and
- a reflector array comprising an array of unit cells, wherein:
- the reflector array is provided on a surface of the dielectric substrate;
- and
- the array of unit cells is such that the passive reflector has a total phase distribution that, for a given incident azimuth angle and a given incident elevation angle of the RF beam, provides a reflected azimuth angle and a reflected elevation angle for the RF beam that is different from one or more of the given incident azimuth angle and the given incident elevation angle, provides a cylindrical phase distribution, and compensates for a wavefront sphericity of the RF beam.
A wireless communication system comprising:
- a transmitter configured to emit a RF beam at an azimuth and elevation angle;
- a passive reflector for receiving the RF beam at the azimuth and elevation angle, the passive reflector comprising:
- a dielectric substrate;
- and
- a reflector array comprising an array of unit cells, wherein:
- the reflector array is provided on a surface of the dielectric substrate;
- and
- the array of unit cells is such that the passive reflector has a total phase distribution that, for a given incident azimuth angle and a given incident elevation angle of the RF beam, provides a reflected azimuth angle and a reflected elevation angle for the RF beam that is different from one or more of the given incident azimuth angle and the given incident elevation angle, provides a cylindrical phase distribution, and compensates for a wavefront sphericity of the RF beam.
Dependencies are inferred from the claim text.