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Utility accrual real-time scheduling for (m, k)-firm deadline-constrained streams on multiprocessors

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5 Author(s)
Rhu, J.-H. ; Electron. & Telecommun. Res. Inst., Daejeon, South Korea ; Sun, J.-H. ; Kim, K. ; Cho, H.
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Considering video conferencing applications, presented is the first utility accrual (or UA) real-time scheduling algorithm for multiple (m, k)-firm deadline-constrained streams running on multiprocessors, called the global multiprocessor utility accrual scheduling algorithm for (m, k)-firm deadline-constraint multimedia streams (or gMUA-MK). Analytical and experimental studies show that gMUA-MK achieves timeliness performance and relatively high quality of multimedia services compared to existing schemes including gMUA.

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Electronics Letters  (Volume:47 ,  Issue: 5 )