Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2007-05-01
2007-05-01
Bui, Bing Q. (Department: 2614)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S003010, C455S450000
Reexamination Certificate
active
10407584
ABSTRACT:
In a wireless Local Area Network (WLAN) system, a hierarchical architecture is provided which employs a protocol which divides protocol processing functions between a plurality of substantially identical access elements in which reside time-critical protocol functions, such as acknowledgment and retransmission of packets, and a centralized control element which provides control and management functions related to dynamic configuration of wireless networks, such as processing of network management messages (e.g., authentication and association), load control, channel control, and handoff, processing of physical layer information, and processing of channel characteristics, propagation, interference or noise, for the plurality of access elements in the WLAN without loss of information about the wireless characteristics of the access elements. This hierarchical protocol processing architecture allows the data flow to be centralized for better performance and provides useful access to all the protocol information from the WLAN.
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Calhoun Patrice R.
Friday Robert J.
O'Hara, Jr. Robert B.
Airespace, Inc.
Bui Bing Q.
Spolyar Mark J.
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