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. 04, 2012
Filed:
Aug. 18, 2010
Jung-sun Um, Daejeon, KR;
Myung-sun Song, Daejeon, KR;
Chang-joo Kim, Daejeon, KR;
Gwangzeen Ko, Daejeon, KR;
Sung-hyun Hwang, Daejeon, KR;
Sang-won Kim, Daejeon, KR;
Changhyun Park, Daejeon, KR;
Jung-Sun Um, Daejeon, KR;
Myung-Sun Song, Daejeon, KR;
Chang-Joo Kim, Daejeon, KR;
Gwangzeen Ko, Daejeon, KR;
Sung-Hyun Hwang, Daejeon, KR;
Sang-Won Kim, Daejeon, KR;
Changhyun Park, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
A CR apparatus for performing communication in a CR network includes: a communication unit configured to measure a channel estimation signal, transmit measured channel state information to a master device, and, when a QP of a reference channel arrives, make a communication channel transition to a candidate channel and perform communication; and a channel information management unit configured to receive and manage the channel state information measured by the communication unit and channel information comprising a candidate channel, into which a channel transition is to be made during a QP of the reference channel, received from the master device and control channel transition of the communication unit based on the channel information.