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On radio resource sharing in multi-antenna virtualized wireless networks

Wang, X and Krishnamurthy, P and Tipper, D (2013) On radio resource sharing in multi-antenna virtualized wireless networks. In: UNSPECIFIED.

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Abstract

Virtualizing wireless networks has the potential to improve resource usage efficiency (system capacity) through spectrum sharing while allowing for isolation between users and customization of applications {9}. In most work related to wireless network virtualization, the sharing of spectrum is considered at the level of chunks of frequency that do not interfere. Such spectrum sharing, where service provider SP A can use the spectrum allocated to SP B when SP B does not use it, results in multiplexing gains improving the resource usage (see for example, [12]). We argue that sharing radio resources that are a function of geography and signal strength, rather than slices of spectrum is also possible. When we consider sharing of radio resources, the transmit power, the interference, and the usage scenario (capabilities/needs of devices) become important in determining what can be shared. In this paper, the potential gain from sharing such radio resources while using MIMO for combating interference and exploiting spatial degrees of freedom is investigated in a two service provider collaboration scenario. The metric used is the capacity of the system (with a large cell and a small cell) as a function of separation distance, transmit power, cell range, and various MIMO settings. We show that radio resource sharing is feasible, but it has implications on isolation between users of different SPs and MIMO settings are an important factor. © 2013 ACM.


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Details

Item Type: Conference or Workshop Item (UNSPECIFIED)
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Wang, X
Krishnamurthy, Pprashk@pitt.eduPRASHK
Tipper, Ddtipper@pitt.eduDTIPPER
Date: 12 December 2013
Date Type: Publication
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Journal or Publication Title: MSWiM 2013 - Proceedings of the 16th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems
Page Range: 31 - 40
Event Type: Conference
DOI or Unique Handle: 10.1145/2507924.2507930
Institution: University of Pittsburgh
Schools and Programs: School of Information Sciences > Telecommunications
Refereed: Yes
ISBN: 9781450323536
Date Deposited: 24 Jun 2014 20:20
Last Modified: 13 Oct 2017 23:55
URI: http://d-scholarship.pitt.edu/id/eprint/22038

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