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:
Jul. 18, 2017
Filed:
Oct. 07, 2011
Bernt Johansson, Värmdö, SE;
BO Berglund, Uppsala, SE;
Bernt Johansson, Värmdö, SE;
Bo Berglund, Uppsala, SE;
TELEFONAKTIEBOLAGET L M ERICSSON, Stockholm, SE;
Abstract
Embodiments of the present invention provide an apparatus () for feeding an antenna array () comprising at least first and second antenna elements (). The apparatus comprises a first transmitting element () configured to receive a first base band signal (-) and to feed a first feed signal () to a first antenna element (), the first transmitting element () comprising a first power amplifier (). The apparatus also comprises a second transmitting element () configured to receive a second base band signal () and to feed a second feed signal () to a second antenna element (), the second transmitting element () comprising a second power amplifier (). A tapering control unit () is adapted to provide a tapering function between the first feed signal to the first antenna element and the second feed signal to the second antenna element.