NDLI: Control strategies on cross-layer optimization within secondary spectrum access networks

Content Provider	IEEE Xplore Digital Library
Author	Lin Shen Rocke, S. Si Chen Hanyuan Lu Wyglinski, A.M.
Copyright Year	2011
Description	Author affiliation: Wireless Innovation Laboratory, Department of Electrical and Computer Engineering, Worcester Polytechnic Institute, Worcester, MA 01609-2280, USA (Lin Shen; Rocke, S.; Si Chen; Hanyuan Lu; Wyglinski, A.M.)
Abstract	Cross-layer optimization has been frequently considered as one solution for achieving more efficiency in wireless networks. Different scheduling algorithms can be implemented to satisfy specific requirements. With respect to spectrum allocation, conventional algorithms often do not employ advanced forms of priority scheduling for the assignment of transmission channels, thus resulting in the inefficient utilization of wireless network resources. To improve the utilization in this situation, we investigate three control strategies: master-slave configuration, multi supervisor, and floating supervisor, which can coordinate specific spectrum allocation efficiently and exchange their priorities. The proposed strategies apply different algorithms in order to utilize transmit power for improving system error robustness, utilize data rate to increase transmission bandwidth and information throughput, and utilize frame size to control the amount of information transmitted per burst. The simulation results of these algorithms are compared against each other. It can be observed from our research results that structures that are more complex generally achieve higher efficiency at the cost of increased delay.
Starting Page	803
Ending Page	808
File Size	680037
Page Count	6
File Format	PDF
ISBN	9781457702525
ISSN	21545952
e-ISBN	9781457702532
e-ISBN	9781457702518
DOI	10.1109/PACRIM.2011.6032997
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-23
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Master-slave Wireless networks Delay Optimization Scheduling Bandwidth Switches
Content Type	Text
Resource Type	Article

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