NDLI: Virtual basestation: architecture for an open shared WiMAX framework

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Virtual basestation: architecture for an open shared WiMAX framework

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Virtual basestation: architecture for an open shared WiMAX framework

Content Provider	ACM Digital Library
Author	Mahindra, Rajesh Seskar, Ivan Bhanage, Gautam Raychaudhuri, Dipankar
Abstract	This paper presents the architecture and performance evaluation of a virtualized wide-area "4G" cellular wireless network. Specifically, it addresses the challenges of virtualization of resources in a cellular base station to enable shared use by multiple independent slice users (experimenters or mobile virtual network operators), each with possibly distinct flow types and network layer protocols. The proposed virtual basestation architecture is based on an external substrate which uses a layer-2 switched datapath, and an arbitrated control path to the WiMAX basestation. The framework implements virtualization of base station's radio resources to achieve isolation between multiple virtual networks. An algorithm for weighted fair sharing among multiple slices based on an airtime fairness metric has been implemented for the first release. Preliminary experimental results from the virtual basestation prototype are given, demonstrating mobile network performance, isolation across slices with different flow types, and custom flow scheduling capabilities.
Starting Page	1
Ending Page	8
Page Count	8
File Format	PDF
ISBN	9781450301992
DOI	10.1145/1851399.1851401
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2010-09-03
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Mobile wimax Testbeds Network virtualization Virtual basestation 802.16e Geni Mvno
Content Type	Text
Resource Type	Article

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