FRANK HAIZHON LI, UNIVERSITY OF SOUTH CAROLINA UPSTATE
YANG XIAO AND JINGYUAN ZHANG, UNIVERSITY OF ALABAMA
The article presents CAC for VBR VoIP calls. The variable bit-rate is a consequence of the on-off nature of the calls. The authors present a time-based admission control mechanism that uses token-bucket and relies on the observation information to decide whether to accept a new call or not. Additionally they propose that the AP accesses the channel with priority to solve the uplink-downlink unfairness.
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