07251232 is referenced by 51 patents and cites 33 patents.

A method providing quality of service during a contention period. A tiered access protocol enables an Access Point to act as a channel arbitrator and gain control a channel during a contention period. The Enhanced Access Point waits a specified amount of time after before taking control of a channel for either transmitting an outbound frame or initiating Polled-Contention Free Bursts. In addition, a method for increasing the time span between Delivery Traffic Indication Message beacons by tracking when Wireless Stations are able to receive messages and instantly delivering messages to those Wireless Stations.

Title
Point-controlled contention arbitration in multiple access wireless LANs
Application Number
9/953820
Publication Number
7251232 (B1)
Application Date
September 12, 2001
Publication Date
July 31, 2007
Inventor
Robert C Meier
Cuyahoga Falls
OH, US
Agent
Tucker Ellis & West
Assignee
Cisco Technology
CA, US
IPC
H04Q 7/24
View Original Source