Chakchai So-In, Raj Jain, Abdel Karim Al Tamimi, SWIM: A Scheduler for Unsolicited Grant Service (UGS) in IEEE 802.16e Mobile WiMAX Networks


Most of IEEE 802.16e scheduling proposals for realtime traffic using unsolicited grant service (UGS) focus on the throughput and maximum latency. Delay jitter and the effect of burst overhead have not yet been investigated. This paper introduces a new technique called SWIM for UGS scheduling that not only meets the delay constraint with optimal throughput but also minimizes the delay jitter and burst overhead.

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