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:
Jun. 21, 2022
Filed:
Jul. 18, 2019
Applicant:
Nec Corporation, Tokyo, JP;
Inventor:
Masashi Hirabe, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/0456 (2017.01); H01Q 21/20 (2006.01); H04B 7/0417 (2017.01); H04B 7/06 (2006.01); H04B 7/08 (2006.01);
U.S. Cl.
CPC ...
H04B 7/0456 (2013.01); H01Q 21/20 (2013.01); H04B 7/0417 (2013.01); H04B 7/0617 (2013.01); H04B 7/0848 (2013.01);
Abstract
A calibration control apparatus () includes a receiving-side correction coefficient calculation unit () that calculates a receiving-side correction coefficient for calibrating a characteristic difference between reception units () based on a propagation path estimation matrix which has, as a matrix element, a propagation path estimation value of each propagation path from transmission units to reception units () in a plurality of transmission units of an OAM mode multiplex transmission apparatus and a plurality of reception units () of an OAM mode multiplex reception apparatus ().