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Performance Analysis of Uplink Scheduling Algorithms for VoIP Services in the IEEEE 802.16e OFDMA System

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Abstract

While the voice over Internet protocol (VoIP) services is expected to be widely supported in wireless mobile networks, the performance of VoIP services has not previously been evaluated in the IEEE 802.16e orthogonal frequency division multiple access (OFDMA) system taking the adaptive modulation and coding scheme into consideration. To support real-time uplink service flows, three different types of scheduling have been designed in the IEEE 802.16e standard: the unsolicited grant service (UGS), the real-time polling service (rtPS), and the extended rtPS (ertPS). In this paper, we compare the three real-time scheduling algorithms in terms of the performance of VoIP services by using the analytical and simulation models that we developed.

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  1. Department of Electrical Engineering, Stanford University, Stanford, CA, 94305, USA

    Jae-Woo So

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  1. Jae-Woo So
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Correspondence to Jae-Woo So.

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So, JW. Performance Analysis of Uplink Scheduling Algorithms for VoIP Services in the IEEEE 802.16e OFDMA System. Wireless Pers Commun 47, 247–263 (2008). https://doi.org/10.1007/s11277-008-9458-5

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  • DOI: https://doi.org/10.1007/s11277-008-9458-5

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