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:
Jun. 26, 2018

Filed:

Apr. 26, 2017
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Punyaslok Purkayastha, San Diego, CA (US);

Fatih Ulupinar, San Diego, CA (US);

Peter Barany, Rancho Palos Verdes, CA (US);

Gene Wesley Marsh, Encinitas, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/38 (2009.01); H04B 7/185 (2006.01); H04W 36/32 (2009.01); H04W 64/00 (2009.01); H04W 84/06 (2009.01); H04W 88/16 (2009.01);
U.S. Cl.
CPC ...
H04B 7/18541 (2013.01); H04W 36/32 (2013.01); H04W 64/00 (2013.01); H04W 84/06 (2013.01); H04W 88/16 (2013.01);
Abstract

Various aspects of the disclosure relate to handoff (e.g., idle mode handoff or other types of handoff) for a user terminal. In some aspects, a user terminal (UT) may request idle mode handoff information from a ground network (GN). Idle mode handoff information may include, for example, start times for a set of satellites, whereby each particular start time indicates when the UT may handoff to the corresponding satellite. The UT may send the request for idle mode handoff information to the GN when the UT has a defined number of valid entries (e.g., one unexpired entry) remaining in an idle mode handoff table. In some aspects, the idle UT may send the request for idle mode handoff information to the GN based on a time associated with a particular entry in an idle mode handoff table or based on a time of validity of an idle mode handoff table.


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