InterDigital Inc (IDCC)

[Gamco]

United States Patent 9,775,075
Aghili , et al. September 26, 2017

Providing circuit switched operation in a wireless network


Abstract

In an evolved UMTS terrestrial radio access network (E-UTRAN), paging may be performed using an international mobile subscriber identity (IMSI) or S-temporary mobile subscriber identity (S-TMSI). With the paging, a wireless transmit/receive unit (WTRU) may send an extended service request message to the E-UTRAN and perform circuit switched (CS) fallback.



Inventors:
Aghili; Behrouz (Commack, NY), Mukherjee; Rajat P. (Toronto, CA)

Applicant:


Name

City

State

Country

Type


InterDigital Patent Holdings, Inc.
Wilmington
DE
US


Assignee:
InterDigital Patent Holdings, Inc. (Wilmington, DE)


Family ID:
1000002855985

Appl. No.:
14/968,420

Filed:
December 14, 2015


Prior Publication Data






Document Identifier

Publication Date

US 20160100339 A1 Apr 7, 2016



Related U.S. Patent Documents









Application Number

Filing Date

Patent Number

Issue Date

14293527 Jun 2, 2014 9220052
13572113 Jul 8, 2014 8774173
12506493 Aug 14, 2012 8243725
61088397 Aug 13, 2008




Current U.S. Class: 1/1
Current CPC Class: H04W 36/0022 (20130101); H04W 68/005 (20130101)
Current International Class: H04W 36/00 (20090101); H04W 68/00 (20090101)
Field of Search: ;370/331

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