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. 26, 2007
Filed:
Jun. 22, 2004
Jia-ching Shen, Hsinchu, TW;
Yih-shen Chen, Hsinchu, TW;
Chung-ju Chang, Hsinchu, TW;
Yung-han Chen, Hsinchu, TW;
Yi-ting Wang, Hsinchu, TW;
Meng-chun Chang, Hsinchu, TW;
Jia-Ching Shen, Hsinchu, TW;
Yih-Shen Chen, Hsinchu, TW;
Chung-Ju Chang, Hsinchu, TW;
Yung-Han Chen, Hsinchu, TW;
Yi-Ting Wang, Hsinchu, TW;
Meng-Chun Chang, Hsinchu, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
Methods and systems for providing fast handoff in WLAN-like communications system construct a caching candidate set based upon a weighted handoff tendency coefficient. The weighted handoff tendency coefficient is based upon the handoff matrix and the weighting factor. The handoff matrix is an adaptive two-dimensional array that provides a list of nearby access points relative to a mobile station and the weighting factor is a value that prioritizes the nearby access points based upon a signal quality indication. A home access point, once it is triggered to initialize proactive caching, provides the caching candidate set with registration data of the mobile station before a transfer of a connection between the home access point and one of the access points on the caching candidate set.