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. 13, 2001
Filed:
Sep. 20, 2000
Shuji Kobayakawa, Yokohama, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A communications device using an adaptive antenna allows for adaptive control of the weights provided as an input to each antenna elements of the downlink based on uplink arrival angle information regardless of the difference between the uplink and downlink frequencies, and thereby increase the system capacity of the communications system. The communication device includes an downlink weighting calculator which extracts arrival angle information for each user from uplink user signal information, simulated user signals corresponding to each antenna branch which are generated in a simulated user signals generator and a downlink weighting calculator which controls based on the arrival angle of a desired user, and the weights of the downlink applied to the respective antenna branches, based on an arbitrary adaptive algorithm using these simulated user signals.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile