Delivery of buffered frames to power saving stations in...

Details Delivery of buffered frames to power saving stations in... Delivery of buffered frames to power saving stations in...

2005-03-28

2008-10-07

Eng, George (Department: 2617)

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

C370S318000, C370S338000, C370S346000, C455S041200, C455S522000

Reexamination Certificate

active

07433670

ABSTRACT:
A method and apparatus for conveying priority of buffered frames to power saving stations in a Wireless Local Area Network (WLAN) including an Access Point (AP) and at least one power saving station is presented. The method and apparatus indicate to a station the presence of at least one buffered frame in at least one of legacy buffers and Automatic Power Save Delivery (APSD) buffers in the AP for the station. The AP receives an indication from the station that the station is ready to receive at least one of the buffered frames for the station. The AP then selects a buffer for releasing at least one buffered frame to the station, determines a number of frames to transmit from the selected buffer, and transmits the number of frames from said buffer to the station.

REFERENCES:
patent: 6404772 (2002-06-01), Beach et al.
patent: 7245946 (2007-07-01), Liu
patent: 2005/0018624 (2005-01-01), Meier et al.
patent: 1 349 320 (2003-10-01), None
“Draft Amendment to Standard [for] Information Technology—Telecommunications and Information Exchange Between Systems—LAN/MAN Specific Requirements—Part 11: Wireless Medium Access Control(MAC)and Physical Layer(PHY)specifications: Medium Access Control(MAC)Quality of Service(QoS)Enhancements”, IEEE Standards Department, 2003.
European Search Report, published Jul. 8, 2003.

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