InterDigital Inc (IDCC)

[Gamco]

United States Patent 8,705,445
Watfa , et al. April 22, 2014

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Method and apparatus for efficient signaling and usage of resources for wireless communications supporting circuit switched and packet switched sessions


Abstract
Method and apparatus efficiently signal and use resources for wireless communications supporting circuit switched (CS) and packet switched sessions (PS). Signaling and interaction between the wireless transmit/receive unit (WTRU), and various network entities, such as the Mobility Management Entity (MME), the Visitor Location Register (VLR), and Base Stations (BS), are used to implement circuit switched fall back (CSFB) in a PS system.


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Inventors: Watfa; Mahmoud (Saint Leonard, CA), Aghili; Behrouz (Commack, NY), Olvera-Hernandez; Ulises (Kirkland, CA), Tamaki; Nobuyuki (Manhasset, NY), Adjakple; Pascal M. (Great Neck, NY), Tooher; John Patrick (Montreal, CA), Wang; Peter S. (East Setauket, NY)
Applicant: Name City State Country Type

Watfa; Mahmoud
Aghili; Behrouz
Olvera-Hernandez; Ulises
Tamaki; Nobuyuki
Adjakple; Pascal M.
Tooher; John Patrick
Wang; Peter S.
Saint Leonard
Commack
Kirkland
Manhasset
Great Neck
Montreal
East Setauket
N/A
NY
N/A
NY
NY
N/A
NY
CA
US
CA
US
US
CA
US

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

Appl. No.: 12/915,942
Filed: October 29, 2010

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Prior Publication Data

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Document Identifier Publication Date
US 20110103277 A1 May 5, 2011


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Related U.S. Patent Documents

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Application Number Filing Date Patent Number Issue Date
61256421 Oct 30, 2009
61265917 Dec 2, 2009
61293084 Jan 7, 2010
61303761 Feb 12, 2010
61320027 Apr 1, 2010


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Current U.S. Class: 370/328 ; 370/329; 370/331; 370/338; 455/436; 455/437; 455/438; 455/439; 455/456.2
Current International Class: H04W 4/00 (20090101)

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