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. 28, 2006
Filed:
Aug. 25, 2003
Koichi Okawa, Yokohama, JP;
Shinya Tanaka, Yokohama, JP;
Takehiro Nakamura, Yokosuka, JP;
NTT DoCoMo, Inc., Tokyo, JP;
Abstract
The object of the present invention is to improve the accuracy of channel estimation and increase downlink capacity when a base station transmits an individual channel using directional beams. The base stationaccording to the present invention comprises an individual channel transmitterconfigured to transmit an individual channel into which pilot symbols are inserted; and an individual channel format creatorconfigured to create a format of the individual channel. The individual channel format creatorchanges between a format of an individual channel which is to be transmitted using directional beams and a format of an individual channel which is to be transmitted using non-directional beams.