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:
Aug. 23, 2011
Filed:
Nov. 03, 2006
Applicants:
Pandharipande Ashish, Yongin-si, KR;
Duck-dong Hwang, Yongin-si, KR;
Jae-myeong Kim, Seoul, KR;
Sang-jo Yoo, Incheon, KR;
Chang-gun Seo, Incheon, KR;
Jae-hak Chung, Seoul, KR;
Inventors:
Pandharipande Ashish, Yongin-si, KR;
Duck-Dong Hwang, Yongin-si, KR;
Jae-Myeong Kim, Seoul, KR;
Sang-Jo Yoo, Incheon, KR;
Chang-Gun Seo, Incheon, KR;
Jae-Hak Chung, Seoul, KR;
Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 72/00 (2009.01); H04W 74/00 (2009.01); H04W 4/00 (2009.01); H04B 7/00 (2006.01); H04B 7/212 (2006.01);
U.S. Cl.
CPC ...
Abstract
A communication initialization method at a MAC layer in a CR wireless communication system is provided. The use or non-use of a frequency band is sensed over a broadband with a minimized sensing time in a non-interfering manner with existing communication systems.