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. 17, 2012
Filed:
May. 07, 2009
Cheng Shan, Suwon-si, KR;
Eun-taek Lim, Suwon-si, KR;
Jung-soo Woo, Suwon-si, KR;
Geun-ho Lee, Suwon-si, KR;
Sang-bum Kim, Seoul, KR;
Yong-ho Park, Cheonan-si, KR;
Cheng Shan, Suwon-si, KR;
Eun-Taek Lim, Suwon-si, KR;
Jung-Soo Woo, Suwon-si, KR;
Geun-Ho Lee, Suwon-si, KR;
Sang-Bum Kim, Seoul, KR;
Yong-Ho Park, Cheonan-si, KR;
Samsung Electronics Co., Ltd, Suwon-si, KR;
Abstract
A method of operating a Data Base (DB) server for storing spectrum condition information on a licensed system in a Cognitive Radio (CR)-based wireless communication system and a CR-based wireless communication system are provided. The method includes determining changes in the spectrum condition information on the licensed system, recalculating maximum Equivalent Isotropically Radiated Power (EIRP) allowed for each channel of CR-based devices registered in a list, and transmitting information regarding the recalculated maximum allowed EIRP.