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. 13, 2018
Filed:
Dec. 11, 2015
Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
The present invention discloses a method and an apparatus for channel calibration among multiple RRUs, and pertains to the field of communications technologies. The method includes self-calibrating two RRUs to obtain two self-calibration coefficient, exchanging calibration sequences between the two RRUs through an air interface, returning, by one RRU, the calibration sequence received from another RRU to the another RRU in the air interface, and acquiring a calibration coefficient of the another RRU according to the calibration sequences and the self-calibration coefficients.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile