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. 06, 2016
Filed:
Sep. 28, 2012
Applicant:
China Academy of Telecommunications Technology, Beijing, CN;
Inventors:
Wenling Bai, Beijing, CN;
Zhuo Gao, Beijing, CN;
Chenggang Jiang, Beijing, CN;
Yuanyuan Li, Beijing, CN;
Yu Yang, Beijing, CN;
Assignee:
CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY, Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/00 (2009.01); H04W 16/14 (2009.01); H04W 36/06 (2009.01); H04W 12/06 (2009.01);
U.S. Cl.
CPC ...
H04W 36/0072 (2013.01); H04W 12/06 (2013.01); H04W 16/14 (2013.01); H04W 36/06 (2013.01);
Abstract
Various examples provide a method and a system for spectrum handover in cognitive radio (CR) systems. According to the method, after detecting a user of an authorized system appears at a current working frequency, the base station generates a spectrum handover command and sends the spectrum handover command via a channel identified by the CR DWNDI to instruct the UEs in the cell to perform spectrum handover according to the spectrum handover command.