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ThinkMind // UBICOMM 2010, The Fourth International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies // View article ubicomm_2010_3_30_10133


QoS Aware Mixed Traffic Packet Scheduling in OFDMA-based LTE-Advanced Networks

Authors:
Rehana Kausar
Yue Chen
Kok Keong Chai
Laurie Cuthbert
John Schormans

Keywords: Packet scheduling; OFDMA; QoS; LTE-A.

Abstract:
In this paper, a packet scheduling framework is proposed for LTE-Advanced downlink transmission. The proposed framework adds the new functionality of an adaptive TD scheduler with built-in congestion control to the existing conventional quality of service (QoS) aware packet scheduling algorithms. It optimizes multiuser diversity in both the time and frequency domains by jointly considering the channel condition, queue status and the QoS feedback. The framework aims to improve the system spectral efficiency by optimizing the use of available resources while maintaining QoS requirements of different service classes and a certain degree of fairness among users. The results show an improved QoS of Real Time traffic and a fair share of radio resources to Non Real Time traffic types.

Pages: 53 to 58

Copyright: Copyright (c) IARIA, 2010

Publication date: October 25, 2010

Published in: conference

ISSN: 2308-4278

ISBN: 978-1-61208-100-7

Location: Florence, Italy

Dates: from October 25, 2010 to October 30, 2010

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