InterDigital Inc (IDCC)

[Gamco]

United States Patent 8,023,453
Sammour , et al. September 20, 2011

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Methods and systems for providing reliable multicast service in a WLAN system


Abstract
A method for acknowledged multicast operation in a wireless network having a base station and at least one wireless transmit/receive unit (WTRU) includes the base station transmitting a first multicast signal during a first scheduled interval, the at least one WTRU receiving the first multicast signal during the first scheduled interval, and the at least one WTRU transmitting an acknowledgement signal to the base station during a second scheduled interval.


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Inventors: Sammour; Mohammed (Montreal, CA), Grandhi; Sudheer A. (Mamaroneck, NY)
Assignee: InterDigital Technology Corporation (Wilmington, DE)

Appl. No.: 11/674,391
Filed: February 13, 2007

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Related U.S. Patent Documents

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Application Number Filing Date Patent Number Issue Date
60773004 Feb., 2006


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Current U.S. Class: 370/328 ; 370/311; 370/342; 370/345; 370/349; 370/420; 714/748
Current International Class: H04W 4/00 (20090101)
Field of Search: 370/312,349,328,342,311,345,420 455/574 714/748

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