NDLI: An efficient downlink packet scheduling algorithm for real time traffics in LTE systems

Content Provider	IEEE Xplore Digital Library
Author	Bin Liu Hui Tian Lingling Xu
Copyright Year	2013
Description	Author affiliation: Key Lab. of Universal Wireless Commun., Beijing Univ. of Posts & Telecommun., Beijing, China (Bin Liu; Hui Tian; Lingling Xu)
Abstract	Long term evolution (LTE) represents new technological advance, which is conceived to significantly boost cellular network performance of real time services. However, scheduling algorithms that support real time applications have not been defined in the third generation partnership project (3GPP) specifications. In this paper a packet scheduling scheme with low complexity based on Earliest Deadline First (EDF) and Proportion Fair (PF) algorithm is proposed to enhance the Quality of Service (QoS) for real time traffics such as video and VoIP in LTE downlink system and we call it Modified EDF-PF (M-EDF-PF). System level simulations are conducted to verify the efficiency of M-EDF-PF. Numerical results demonstrate that the proposed M-EDF-PF scheduling algorithm can achieve obvious performance improvement for real time flows in LTE downlink system. The performance of the packet scheduling algorithm is evaluated based on traffic flow throughput, packet loss ratio (PLR), packet delay, fairness index, and cell spectral efficiency.
Sponsorship	IEEE Commun. Soc.
Starting Page	364
Ending Page	369
File Size	549495
Page Count	6
File Format	PDF
ISBN	9781467331319
e-ISBN	9781467331333
DOI	10.1109/CCNC.2013.6488471
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Scheduling algorithms Delays Real-time systems Downlink Throughput Resource management Algorithm design and analysis real time traffics 3GPP LTE low complexity M-EDF-PF packet scheduling
Content Type	Text
Resource Type	Article

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