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An Adaptive QoS architecture for multimedia applications over wireless networks ,[object Object],[object Object],[object Object],[object Object],[object Object]
Outlines ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Motivation and Problem statement ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Motivation and problem statement (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Goals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Current QoS approaches ,[object Object],[object Object],[object Object],[object Object],[object Object]
DiffServ ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IntServ QoS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
IntServ QoS (2) ,[object Object],[object Object],[object Object],[object Object]
SWAN ,[object Object],[object Object],[object Object],[object Object]
2- AQuaFWiN   ,[object Object],[object Object]
Other examples for  feedback approaches ,[object Object],[object Object],[object Object]
Shortcomings of the previous work ,[object Object],[object Object],[object Object],[object Object],[object Object]
The proposed  adaptive QoS scheme ,[object Object],[object Object],[object Object],[object Object],[object Object]
The proposed  adaptive QoS scheme (2) ,[object Object]
Components of  a QoS renegotiation architecture
Definitions ,[object Object],[object Object],[object Object]
Assumptions ,[object Object],[object Object],[object Object]
The impact of system traffic ,[object Object]
An inside look at the link and QoS renegotiation ,[object Object],[object Object],[object Object]
The algorithm description
Outlines ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Advantages   ,[object Object],[object Object],[object Object],[object Object]
Experimental results   ,[object Object],[object Object],[object Object],[object Object],[object Object]
Experimental results ,[object Object],[object Object],[object Object],[object Object],[object Object]
Experiment 1: Improving QoS ,[object Object]
Experiment 1: improving QoS, Cont. ,[object Object]
Experiment 2: Average call success versus average call rejection   ,[object Object]
Experiment 2: Call success rate versus call rejection, Cont. ,[object Object]
Experiment 2: Call   success rate versus call rejection, Cont. ,[object Object]
Experiment 3: Call processing time ,[object Object]
Experiments 3: Call processing time   ,[object Object]
Conclusions ,[object Object],[object Object],[object Object],[object Object]
Conclusions (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Future work ,[object Object],[object Object],[object Object]

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A New QoS Renegotiation Mechanism for Multimedia Applications

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