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:
Jun. 04, 2013
Filed:
Dec. 03, 2009
Ho-dong Kim, Gwacheon-si, KR;
Sang-bum Kim, Seoul, KR;
Eun-taek Lim, Suwon-si, KR;
Ju-yeon Song, Seoul, KR;
Jung-soo Woo, Suwon-si, KR;
Cheng Shan, Suwon-si, KR;
Yong-ho Park, Cheonan-si, KR;
Jae-ik Park, Seoul, KR;
Ho-Dong Kim, Gwacheon-si, KR;
Sang-Bum Kim, Seoul, KR;
Eun-Taek Lim, Suwon-si, KR;
Ju-Yeon Song, Seoul, KR;
Jung-Soo Woo, Suwon-si, KR;
Cheng Shan, Suwon-si, KR;
Yong-Ho Park, Cheonan-si, KR;
Jae-Ik Park, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A base station includes an apparatus and a method for exchanging frequency channel resources between base stations in a Cognitive Radio (CR) based communication system. A requesting Base Station (BS), which requests channel exchange a neighboring BS, receives a channel advertisement message from a neighboring BS and sends a channel exchange request message to the neighboring BS. The channel exchange request message includes at least one of a neighbor BS Identifier (ID), a requesting BS ID, channel information for the channel exchange at the requesting BS, and channel information exchangeable at the neighboring BS. The requesting BS receives a channel exchange response message from the neighboring BS in response to the channel exchange request message, determines whether to execute a channel exchange process to the neighboring BS based on information in the received channel exchange response message, and sends a channel exchange reply message indicative of the determination result.