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:
Feb. 28, 2023
Filed:
Jul. 13, 2021
Nec Corporation, Tokyo, JP;
Noriaki Tawa, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A calibration circuitaccording to the present disclosure is a calibration circuitin a radio base station systemincluding a remote unit partand a plurality of distributed antenna partsconnected to the remote unit partthrough a plurality of respective cables, the calibration circuitincluding: a detection unitconfigured to detect a plurality of local oscillation signals that are output from a local oscillatorof the remote unit partand are respectively reflected from the plurality of distributed antenna partsthrough the plurality of cables; and a phase adjustment unitconfigured to adjust a phase of each of the plurality of local oscillation signals output through the plurality of respective cables from the remote unit partbased on a result of the detection.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile