NDLI: Weighted Network utility Maximization Aided by Combined Queueing Priority in OFDMA Systems

Content Provider	IEEE Xplore Digital Library
Author	Jianwei Wang Korhonen, T. Yuping Zhao
Copyright Year	2008
Description	Author affiliation: Commun. Eng. Lab., Helsinki Univ. of Technol., Helsinki (Jianwei Wang; Korhonen, T.)
Abstract	Network utility maximization (NUM) is an effective tool in cross layer design. This paper extends the traditional NUM into a more general framework of weighted network utility maximization (WNUM) and studies the multi-user resource allocation problem in orthogonal frequency division multiple access (OFDMA) networks. Combined queuing priority is introduced to serve as a tool which helps to configure the weight parameters. Mathematical solutions to WNUM with various constrain sets in OFDMA systems are also provided. The presented WNUM optimization helps to reduce the complexity in cross layer design and is capable of making trade-offs between efficiency and fairness. Numerical results show that the WNUM scheme can outperform throughput-optimal scheme in both average queue length and average delay time.
Starting Page	3323
Ending Page	3327
File Size	218672
Page Count	5
File Format	PDF
ISBN	9781424420759
DOI	10.1109/ICC.2008.625
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Utility programs Cross layer design Resource management Scheduling Fading Design optimization Wireless networks Delay effects Communications Society Artificial satellites
Content Type	Text
Resource Type	Article

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