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:
Sep. 18, 2012
Filed:
Feb. 26, 2009
Eun-taek Lim, Suwon-si, KR;
Jung-soo Woo, Suwon-si, KR;
Do-young Kim, Yongin-si, KR;
Cheng Shan, Suwon-si, KR;
Sang-bum Kim, Seoul, KR;
Yong-ho Park, Cheonan-si, KR;
Geun-ho Lee, Suwon-si, KR;
Eun-Taek Lim, Suwon-si, KR;
Jung-Soo Woo, Suwon-si, KR;
Do-Young Kim, Yongin-si, KR;
Cheng Shan, Suwon-si, KR;
Sang-Bum Kim, Seoul, KR;
Yong-Ho Park, Cheonan-si, KR;
Geun-Ho Lee, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A wireless communication system based on a Cognitive Radio (CR) is provided. A method includes checking channels unused by a licensed system through a spectrum sensing; selecting one of the channels unused by the licensed system as a control channel based on a channel quality per channel; and transmitting control information to terminals within a cell over the control channel.