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.
Patent No.:
Date of Patent:
Mar. 22, 2022
Filed:
Jan. 05, 2021
Applicants:
Ping Liang, Newport Coast, CA (US);
Dengkui Zhu, Beijing, CN;
Inventors:
Ping Liang, Newport Coast, CA (US);
Dengkui Zhu, Beijing, CN;
Assignee:
RF DSP Inc., Irvine, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01Q 15/18 (2006.01); H01B 7/04 (2006.01); H01Q 1/24 (2006.01); H01Q 1/52 (2006.01); H04B 7/0413 (2017.01); H04B 7/10 (2017.01); H01Q 21/26 (2006.01); H01Q 21/24 (2006.01); H04B 17/391 (2015.01);
U.S. Cl.
CPC ...
H01Q 15/18 (2013.01); H01Q 1/246 (2013.01); H01Q 1/523 (2013.01); H01Q 21/24 (2013.01); H01Q 21/26 (2013.01); H04B 7/0413 (2013.01); H04B 7/10 (2013.01); H04B 17/391 (2015.01);
Abstract
This invention presents embodiments of a coupler array to couple the RF signals between the antenna array of a MIMO base station and a MIMO RF channel emulator. The embodiments enable testing of a large scale MIMO wireless communication system without the need of connecting a large number of RF cables to the antenna ports of the MIMO base station.