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:
Dec. 07, 2010
Filed:
Aug. 18, 2006
Hyo-jin Lee, Daegu, KR;
Jae-young Ahn, Daejeon, KR;
Yong-soo Cho, Seoul, KR;
Kyu-jin Lee, Seoul, KR;
Kyung-won Park, Seoul, KR;
Hyo-Jin Lee, Daegu, KR;
Jae-Young Ahn, Daejeon, KR;
Yong-Soo Cho, Seoul, KR;
Kyu-Jin Lee, Seoul, KR;
Kyung-Won Park, Seoul, KR;
Abstract
Provided are a virtual multi-antenna method for an orthogonal frequency division multiplexing (OFDM) system and an OFDM-based cellular system. The virtual multi-antenna method includes grouping sub-carriers in a frequency domain of an OFDM symbol and generating at least one group including G sub-carriers; and regarding the G sub-carriers included in the at least one group as multiple channels used in a multi-antenna technique and virtually applying the multi-antenna technique to the transmission and reception of the OFDM symbol. The virtual multi-antenna method can effectively reduce an interference signal and obtain the effects of a spatial division multiple access (SDMA) technique without physically using multiple antennas.