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. 20, 2017
Filed:
Oct. 19, 2011
Applicants:
Joo Young Yoon, Seoul, KR;
Kyu Jeong Han, Suwon-si, KR;
Yung Ha Ji, Seongnam-si, KR;
Inventors:
Assignee:
KT Corporation, Seongnam-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 36/00 (2009.01); H04W 12/06 (2009.01); H04L 29/06 (2006.01); H04M 15/00 (2006.01); H04W 8/02 (2009.01); H04W 4/24 (2009.01); H04W 8/12 (2009.01); H04L 12/14 (2006.01); H04W 84/12 (2009.01); H04W 36/14 (2009.01);
U.S. Cl.
CPC ...
H04W 36/0038 (2013.01); H04L 12/1403 (2013.01); H04L 63/0892 (2013.01); H04M 15/8038 (2013.01); H04M 15/8083 (2013.01); H04W 4/24 (2013.01); H04W 8/02 (2013.01); H04W 8/12 (2013.01); H04W 12/06 (2013.01); H04W 36/14 (2013.01); H04W 84/12 (2013.01);
Abstract
A WiFi roaming method and device which perform an authentication and accounting process once for multiple APs, thereby reducing the load of an authentication server (RADIUS) in a WiFi roaming method, which separates a terminal session management function and a traffic control function by a access controller and a access point interworked with a tunneling method according to a CAPWAP (Control and Provisioning of Wireless Access Points) protocol.