Medium access control with software -and hardware- based components in a wireless network
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United States of America Patent
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Dec 2, 2008
Grant Date -
Mar 25, 2004
app pub date -
Feb 7, 2003
filing date -
Feb 8, 2002
priority date (Note) -
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Abstract
A MAC architecture for WLAN stations partitions functionality between a software-based MAC component and a hardware-based MAC component that work together to balance function and performance. In general, the fulcrum for this balance centers on timing requirements. Accordingly, the hardware-based MAC component is designed to handle many of the functions that are processor-intensive and/or must be performed under strict timing constraints. The software-based MAC component is designed to handle many of the functions that are memory-intensive, but present more lenient timing requirements. The software-based MAC component may be configured to provide an efficient and robust interface to the hardware-based MAC component. In particular, the software-based MAC component may format and prioritize packets to be sent over the air interface, and generate a command structure that provides instructions for the hardware-based MAC component to process the packet.
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