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:
Feb. 26, 2013
Filed:
May. 02, 2012
Krishna Kumar Bakthavathsalu, Toronto, CA;
Ion Barbu, Waterloo, CA;
Nayef Fawaz Mendahawi, Kitchener, CA;
Ahmad Mohammad Mohammad Kholaif, Waterloo, CA;
Krishna Kumar Bakthavathsalu, Toronto, CA;
Ion Barbu, Waterloo, CA;
Nayef Fawaz Mendahawi, Kitchener, CA;
Ahmad Mohammad Mohammad Kholaif, Waterloo, CA;
Research In Motion Limited, Waterloo, Ontario, CA;
Abstract
A system and method of reducing the WLAN power consumption and limiting battery drain of a mobile communications device is provided. The mechanism continuously monitors for changes in the WLAN and cellular signal strength and modifies the WLAN profile scanning activity accordingly. By monitoring for changes, transitions can be detected which indicate the location of the mobile device (i.e., indoor or outdoor). An increase in cellular signal strength and a decrease in WLAN signal strength indicates the user is transitioning outdoors where WLAN coverage may be limited. To reduce battery power consumption, background scanning is suspended or its frequency significantly lowered. Moving indoors is indicated by a decrease in cellular signal strength and an increase in WLAN signal strength. Background/Connectivity scanning frequency is increased to provide shorter time-to-connect to WLAN Networks for the user within the WLAN coverage area.