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:
Nov. 20, 2012
Filed:
Mar. 11, 2009
Masafumi Tsutsui, Kawasaki, JP;
Masafumi Tsutsui, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A mobile station that receives multibeam data in precoding Multiple Input Multiple Output (MIMO) from a base station, using a plurality of antennas, includes: a code book that includes contents identical to contents of a code book installed in the base station and that includes information of beam selection for precoding; and a control unit that determines a weight for carrying out optimum beam selection for precoding at time of searching information in the code book, based on a state of a beam in each resource block of received data that is divided into a plurality of resource blocks in a radio communication band, to transmit the weight as feedback information to the base station.