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.

Date of Patent:
Apr. 28, 2015

Filed:

Sep. 17, 2008
Applicants:

Isaac Ta-yan Siu, San Diego, CA (US);

Guangming Carl Shi, San Diego, CA (US);

Nitin Pant, San Diego, CA (US);

Inventors:

Isaac Ta-yan Siu, San Diego, CA (US);

Guangming Carl Shi, San Diego, CA (US);

Nitin Pant, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04W 48/18 (2009.01); H04W 48/08 (2009.01); H04W 88/06 (2009.01);
U.S. Cl.
CPC ...
H04W 48/18 (2013.01); H04W 48/08 (2013.01); H04W 88/06 (2013.01); Y02B 60/50 (2013.01);
Abstract

Methods and apparatus for using network topology and coverage information from one radio access technology (RAT) network to assist acquisition of another different RAT network for a multi-mode mobile station (MS), such as acquiring a WiMAX (Worldwide Interoperability for Microwave Access) network based on topology and coverage information about a 3G (Third Generation) network and vice versa, are provided. Base station (BS) acquisition assisted in this manner may provide for quick restoration of a previously interrupted or deactivated network service, while decreasing the power consumption of the multi-mode MS during a power savings state because periodic scanning and registration need not occur.


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