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:
Apr. 27, 2010
Filed:
Feb. 07, 2007
Cheol-woo You, Seoul, KR;
Eung-sun Kim, Suwon-si, KR;
Jong-hyeuk Lee, Anyang-si, KR;
Joo-hwan Chun, Daejon, KR;
Kyung-chun Lee, Daejon, KR;
Yung-soo Kim, Seongam-si, KR;
Cheol-Woo You, Seoul, KR;
Eung-Sun Kim, Suwon-si, KR;
Jong-Hyeuk Lee, Anyang-si, KR;
Joo-Hwan Chun, Daejon, KR;
Kyung-Chun Lee, Daejon, KR;
Yung-Soo Kim, Seongam-si, KR;
Abstract
Disclosed is a method for transmitting an uplink signal by a mobile station in a mobile communication system using an OFDMA scheme. The method includes estimating a downlink channel status by using a signal received from a base station; determining a precoding matrix by using the estimated downlink channel status; and transmitting a signal obtained by multiplying an uplink signal to be transmitted by the precoding matrix to the base station.