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. 22, 2008
Filed:
Oct. 12, 2004
Fast handoff method with coa pre-reservation and routing in use of access point in wireless networks
Jin-hyeock Choi, Suwon-si, KR;
Youn-hee Han, Guri-si, KR;
Xiao-ming Wang, Yongin-si, KR;
Hee-jin Jang, Yongin-si, KR;
Jin-hyeock Choi, Suwon-si, KR;
Youn-hee Han, Guri-si, KR;
Xiao-ming Wang, Yongin-si, KR;
Hee-jin Jang, Yongin-si, KR;
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Abstract
A fast handoff method of an Access Router includes receiving and storing at an Access Point a Router Advertisement message periodically sent from the Access Router to which the Access Point is connected, the Access Point being connected to at least one mobile node in wireless manner and supporting services to the at least one mobile node; generating at least one Care-of Address (CoA) at the Access Point, performing Duplicate Address detection, and storing the CoAs for which the Duplicate Address detection is successfully completed; forming, when a new mobile node enters a service-available range of the Access Point, a link to the new mobile node at the Access Point, including any of the stored CoAs in the Router Advertisement message, and sending the Router Advertisement message including the stored CoA to the new mobile node; and communicating the new mobile node to a network using the CoA included in the sent Router Advertisement message.