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:
Jan. 04, 2011
Filed:
May. 14, 2003
Hiroyuki Atarashi, Yokohama, JP;
Sadayuki Abeta, Yokosuka, JP;
Noriyuki Maeda, Yokohama, JP;
Mamoru Sawahashi, Yokohama, JP;
Hiroyuki Atarashi, Yokohama, JP;
Sadayuki Abeta, Yokosuka, JP;
Noriyuki Maeda, Yokohama, JP;
Mamoru Sawahashi, Yokohama, JP;
NTT DoCoMo, Inc., Tokyo, JP;
Abstract
The object of the present invention is to provide a transmitter for multi-carrier transmission for allocating pilot channels to radio frames, in consideration of interference with other pilot channels. The present invention relates to the transmitter for multi-carrier transmission configured to transmit a plurality of sub-carriers having at least one pilot symbol duration. The transmitter according to the present invention comprises a pilot symbol allocater configured to allocate a plurality of pilot symbol patterns which are orthogonal to each other, to the at least one pilot symbol durations in at least two sub-carriers.