This paper discusses different schemes for providing Quality of Service (QoS) in
cellular networks. Each scheme has its own algorithm to provide QoS and every
scheme has its advantages and disadvantages. I have also dealt about an important aspect of QoS which is
the Individual QoS (iQoS). iQoS measures the satisfaction rate per user and it is measured individually at each and every user
terminal. Voice traffic is very delay sensitive and data traffic is loss sensitive. QoS schemes which try to incorporate
both voice and data have to take into consideration this issue. I have also discussed the integration of WLAN/cellular networks in which
the high data rate of the WLAN network and the high mobility of cellular networks are utilized effectively.
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