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:
Oct. 20, 2020
Filed:
Apr. 02, 2018
Applicant:
Blackberry Limited, Waterloo, CA;
Inventors:
William Anthony Gage, Stittsville, CA;
Biswaroop Mukherjee, Stittsville, CA;
Masoud Ebrahimi Tazeh Mahalleh, Ottawa, CA;
Robert Novak, Stittsville, CA;
Zhijun Cai, Ashburn, VA (US);
Assignee:
BlackBerry Limited, Waterloo, Ontario, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 8/00 (2009.01); H04W 84/18 (2009.01); H04W 84/22 (2009.01); H04W 28/02 (2009.01); H04W 52/02 (2009.01);
U.S. Cl.
CPC ...
H04W 8/005 (2013.01); H04W 28/021 (2013.01); H04W 52/0209 (2013.01); H04W 52/0241 (2013.01); H04W 84/18 (2013.01); H04W 84/22 (2013.01); Y02D 70/10 (2018.01); Y02D 70/12 (2018.01); Y02D 70/122 (2018.01); Y02D 70/126 (2018.01); Y02D 70/1262 (2018.01); Y02D 70/142 (2018.01); Y02D 70/144 (2018.01); Y02D 70/146 (2018.01); Y02D 70/166 (2018.01); Y02D 70/21 (2018.01); Y02D 70/22 (2018.01); Y02D 70/24 (2018.01); Y02D 70/25 (2018.01);
Abstract
A method at a wireless device outside of base station control, the method comprising: transmitting a device presence signal for a predetermined time period; and listening for a network presence signal sent in response to the device presence signal. Further, a method at a wireless device, the method comprising: listening for a device presence signal; and transmitting a network presence signal in response to the device presence signal.