| 摘要 |
The present invention is an implementation of a network device called Wireless Manager (WiM) a centralized controller for QoS management of infrastructure WLANs based on the IEEE 802.11 DCF standards. The WiM queues and schedules packets from all the traffic flowing between the Access Points (APs) and the wireline LAN which requires no changes to the AP or the STAs, and can be viewed as implementing a Split-MAC architecture. The objectives of WiM are to manage various TCP performance related issues such as the throughput anomaly when STAs associate with an AP with mixed PHY rates, and upload download unfairness induced by finite AP buffers, and also to serve as the controller for VoIP admission control and handovers, and for other QoS management measures.
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