QPF SCHEDULING SCHEME FOR PERFORMANCE IMPROVEMENTS OF INTEGRATED MULTIMEDIA APPLICATIONS OVER 3.5G NETWORK

Shin-Jer Yang, Li-Chih Lin, Yung-Ming Hsieh

Abstract

IMS can provide full IP technology platform which combines information and communications technologies to achieve the objectives of integrated multimedia service. In IMS, SIP is introduced to transmit session control signal. Currently, the session transmission time of SIP is affected by wireless channel bandwidth, Frame Error Rate (FER), message exchange volume, retransmission mechanism and other factors. In order to effectively reduce the delay time for session transmission, we did revise conventional MAC-hs scheduling algorithm (i.e. PF) and propose QoS-based Proportional Fairness algorithm, called QPF, to enhance the session setup on SIP with channel performance of wireless communication. We perform simulations with comparisons on two KPIs of Delay and Throughput between PF and QPF schemes, by using NS-2 software tool under various multimedia applications, such as VoIP, VoD and Web. The simulation results indicate that QPF lowers 20% for VoIP delay and obtains 8.19% more VoIP Throughput than PF. The QPF performance for VoD delay can be enhanced by 11.53%, the Throughput is increased by 8.05%. Also, the delay for Web of QPF can be improved by 28.58%, and the Throughput is enhanced by 25.25%. Consequently, the proposed QPF can enhance transmission performance and obtain a higher utilization of system resources for various multimedia applications in wireless network.

References

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Paper Citation


in Harvard Style

Yang S., Lin L. and Hsieh Y. (2011). QPF SCHEDULING SCHEME FOR PERFORMANCE IMPROVEMENTS OF INTEGRATED MULTIMEDIA APPLICATIONS OVER 3.5G NETWORK . In Proceedings of the 13th International Conference on Enterprise Information Systems - Volume 4: ICEIS, ISBN 978-989-8425-56-0, pages 5-12. DOI: 10.5220/0003428500050012


in Bibtex Style

@conference{iceis11,
author={Shin-Jer Yang and Li-Chih Lin and Yung-Ming Hsieh},
title={QPF SCHEDULING SCHEME FOR PERFORMANCE IMPROVEMENTS OF INTEGRATED MULTIMEDIA APPLICATIONS OVER 3.5G NETWORK},
booktitle={Proceedings of the 13th International Conference on Enterprise Information Systems - Volume 4: ICEIS,},
year={2011},
pages={5-12},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003428500050012},
isbn={978-989-8425-56-0},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 13th International Conference on Enterprise Information Systems - Volume 4: ICEIS,
TI - QPF SCHEDULING SCHEME FOR PERFORMANCE IMPROVEMENTS OF INTEGRATED MULTIMEDIA APPLICATIONS OVER 3.5G NETWORK
SN - 978-989-8425-56-0
AU - Yang S.
AU - Lin L.
AU - Hsieh Y.
PY - 2011
SP - 5
EP - 12
DO - 10.5220/0003428500050012