United States Patent 8,023,475
Goldberg , et al. September 20, 2011
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Synchronization for extending battery life
Abstract
The present invention discloses a method and system for efficiently supporting data calls to WTRUs in systems that also support telephony. Various types of data is transmitted on a known schedule which is tightly synchronized to a predetermined time frame. The WTRUs synchronize their wake-up periods to search for data at times when data may or will actually be transmitted to them.
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Inventors: Goldberg; Steven Jeffrey (Downingtown, PA), Terry; Stephen E. (Northport, NY)
Assignee: InterDigital Technology Corporation (Wilmington, DE)
Appl. No.: 10/428,566
Filed: May 2, 2003
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Related U.S. Patent Documents
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Application Number Filing Date Patent Number Issue Date
60378901 May., 2002
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Current U.S. Class: 370/337
Current International Class: H04J 3/00 (20060101)
Field of Search: 370/347,336,350,311,337,328,422 455/458,515,343.2,553.1,502
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