Downlink Scheduling Algorithm of OFDMA Wideband Wireless Access Systems with Efficient Support for QoS

doi:10.13190/jbupt.200604.24.052

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2006, Vol. 29 ›› Issue (4): 24-28.doi: 10.13190/jbupt.200604.24.052

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Downlink Scheduling Algorithm of OFDMA Wideband Wireless Access Systems with Efficient Support for QoS

LU Yan-hui, YIN Chang-chuan, YUE Guang-xin

School of Telecommunication Engineering ,Beijing University of Posts and Telecommunications, 100876, Beijing

Received:2005-05-26 Revised:1900-01-01 Online:2006-08-30 Published:2006-08-30
Contact: LU Yan-hui

Abstract

Abstract:

Two downlink packet data scheduling algorithms applied to orthogonal frequency division multiple access（OFDMA） broadband wireless access systems are proposed, which are multi-carrier proportional fair (MPF) scheduler and MPF algorithm enhancing capacity. The results demonstrate that they both provide fairness for users with explicit quality of service（QoS） guarantees, but MPF algorithm enhancing capacity achieves higher system throughput compared with MPF scheduler with more flexible parameter setting.

Key words: orthogonal frequency division multiple access , broadband wireless access, quality of service, scheduling

CLC Number:

TN911

LU Yan-hui, YIN Chang-chuan, YUE Guang-xin. Downlink Scheduling Algorithm of OFDMA Wideband Wireless Access Systems with Efficient Support for QoS[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2006, 29(4): 24-28.

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Downlink Scheduling Algorithm of OFDMA Wideband Wireless Access Systems with Efficient Support for QoS

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