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. 31, 2012
Filed:
Jul. 22, 2008
Chanho Yoon, Daejon, KR;
Il-gu Lee, Seoul, KR;
Jung-bo Son, Daejon, KR;
Eun-young Choi, Daejon, KR;
Yu-ro Lee, Daejon, KR;
Sok-kyu Lee, Daejon, KR;
Chanho Yoon, Daejon, KR;
Il-Gu Lee, Seoul, KR;
Jung-Bo Son, Daejon, KR;
Eun-Young Choi, Daejon, KR;
Yu-Ro Lee, Daejon, KR;
Sok-Kyu Lee, Daejon, KR;
Electronics & Telecommunications Research Institute, Daejeon, KR;
Abstract
Provided are a receiving apparatus for a multiple input multiple output (MIMO) system and a method thereof. The receiving apparatus includes a QR decomposing unit for calculating a single (Q) matrix vector and an upper triangle (R) matrix vector for a receiving signal vector; a first symbol estimation unit for estimating predetermined symbols using the calculated Q matrix vector and R matrix vector; a log likelihood ratio (LLR) calculating unit for calculating log likelihood ratios of unit bits for the estimated symbols; an interference removing unit for receiving a decoded signal that is decided using the calculated log likelihood ratios and removing interference from the receiving signal vector; and a second symbol estimation unit for linearly estimating remaining symbols for the interference removed signal.