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Author:Taparia, Ankit
Title:Market Mechanisms Towards Secondary Spectrum Usage
Publication type:Master's thesis
Publication year:2012
Pages:x + 89 s. + liitt. 12      Language:   eng
Department/School:Tietoliikenne- ja tietoverkkotekniikan laitos
Main subject:Tietoverkkotekniikka   (S-38)
Supervisor:Hämmäinen, Heikki
Instructor:Casey, Thomas
Electronic version URL: http://urn.fi/URN:NBN:fi:aalto-201209213132
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Location:P1 Ark Aalto  1501   | Archive
Keywords:spectrum management models
spectrum database
secondary spectrum trading markets
market mechanism
capacity/spectrum leasing
agent based modeling
Abstract (eng): Widespread adoption of smartphones, tablets and other smart devices has resulted in mobile operators (MOs) making a transition from voice to data centric business model.
As a consequence there has been an increase in demand for radio spectrum.
Spectrum availability in the future can be a cause of concern, the main reason of which is being attributed to the traditional and inflexible approach towards spectrum management.
Hence it is required to overhaul the existing spectrum management techniques and adopt those models which aim at higher spectrum utilization.

As part of our research methodology we first perform a state-of-the-art review on secondary usage of radio spectrum.
We observe that most research assumes a clean slate approach towards the emergence of secondary spectrum markets which are typically designed with an underlying assumption of participating actors being of homogeneous type.
In contrast with above we take an evolutionary approach while designing market mechanisms towards heterogeneous secondary usage of spectrum.
The evolution of trading markets is reflected in the incremental steps used in our research, i.e. starting from Wireless Fidelity (Wi-Fi IEEE 802.11) capacity markets, followed by super Wi-Fi (IEEE 802.11af) capacity markets and finally TV White Spaces (TVWS) spectrum leasing markets.
We make use of Value Network Configuration (VNC) methodology for illustrating the design of market mechanism and further evaluate the designed mechanism using Agent Based Modeling (ABM).

Based on our simulation results we observe that a generic trade-off exist between the length of lease time, trade facilitation cost and the extent of trading activity within the markets.
We also observe that there exists an optimal range of lease time for which all the market players find themselves in economically favourable situation.
We compare super Wi-Fi capacity markets and TVWS spectrum leasing markets over performance of MOs and TV broadcasters and according to our evaluation local area strategy seems to offer more benefits for TVWS spectrum usage.
ED:2012-04-25
INSSI record number: 44278
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