The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 26, 2023

Filed:

Nov. 14, 2022
Applicant:

Duke University, Durham, NC (US);

Inventors:

Insang Yoo, Durham, NC (US);

Seyedmohammadreza Faghih Imani, Durham, NC (US);

Timothy Sleasman, Durham, NC (US);

David R. Smith, Durham, NC (US);

Assignee:

Duke University, Durham, NC (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/36 (2006.01); H01Q 5/30 (2015.01); H01Q 21/00 (2006.01); H04B 7/0413 (2017.01); H01Q 21/06 (2006.01); H01Q 1/52 (2006.01); H01Q 15/00 (2006.01); H01Q 21/28 (2006.01); H01Q 25/00 (2006.01); H04B 7/06 (2006.01); H04B 7/08 (2006.01); H04B 7/10 (2017.01);
U.S. Cl.
CPC ...
H01Q 1/364 (2013.01); H01Q 1/523 (2013.01); H01Q 5/30 (2015.01); H01Q 15/0086 (2013.01); H01Q 21/0025 (2013.01); H01Q 21/062 (2013.01); H01Q 21/28 (2013.01); H01Q 25/00 (2013.01); H04B 7/0413 (2013.01); H04B 7/0617 (2013.01); H04B 7/0837 (2013.01); H04B 7/10 (2013.01);
Abstract

A MIMO communication system is provided. The system may include a first antenna comprising a first cavity, a first plurality of RF ports for generating a feed wave within the first cavity, and a first plurality of sub-wavelength artificially structured material elements as arranged on a surface of the first cavity as RF radiators. The first antenna is configured to generate a plurality of radiation patterns respectively corresponding to the first plurality of ports. The system may also include a second antenna comprising a second cavity and a second plurality of sub-wavelength artificially structured material elements arranged on a surface of the second cavity.


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