NDLI: Efficient resource allocation for wireless virtualization using time-space division

Content Provider	IEEE Xplore Digital Library
Author	Xu Zhang Yong Li Depeng Jin Li Su Lieguang Zeng Pan Hui
Copyright Year	2012
Description	Author affiliation: Deutsche Telekom Laboratories/TU-Berlin, Ernst-Reuter-Platz 7, Berlin 10587, Germany (Pan Hui) \|\| Department of Electronic Engineering, Tsinghua University, Beijing 100084, China (Xu Zhang; Yong Li; Depeng Jin; Li Su; Lieguang Zeng)
Abstract	Network virtualization provides an alternative for wireless testbed to support multiple experiments simultaneously, as its properties of isolation, customization and efficiency are able to improve network resources utilization significantly. However, complex radio environment makes the employment of virtualization in wireless networks become a difficult problem, in which strict isolation across different experiments is hard to maintain. What is more, present radio experimental systems mostly exploit only Time Division Multiplexing, which may cause resources waste when the scale of experiments is relatively small. In this paper, we propose a time-space combined resources allocation scheme by taking advantage of both Time Division Multiplexing and Space Division Multiplexing. In this scheme, we first select a new time slot and some unscheduled experiments. Then we adopt Space Division Multiplexing to fit in as many experiments as possible in a time slot while ensuring required isolation across them. Extensive simulation shows that our scheme improves experimental resources utilization effectively, while each experiment in the same time slot have enough bandwidth among all nodes and the fairness of resources utility is also ensured.
Starting Page	59
Ending Page	64
File Size	318898
Page Count	6
File Format	PDF
ISBN	9781457713781
e-ISBN	9781457713798
DOI	10.1109/IWCMC.2012.6314178
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-27
Publisher Place	Cyprus
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	space division multiplexing Wireless networks time division multiplexing wireless virtualization Interference Time division multiplexing Topology Resource management resource utilization
Content Type	Text
Resource Type	Article

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