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Competitive Spectrum Allocation in Heterogeneous Coverage Areas
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS.ORCID iD: 0000-0003-4986-6123
2011 (English)In: 17th European Wireless Conference 2011, EW 2011, VDE Verlag GmbH, 2011, 313-318 p.Conference paper (Refereed)
Abstract [en]

It could be costly to deploy a full coverage mobile broadband service with high bandwidth for a single operator. The development of low cost radio network equipment for short range coverage could trigger off a new scenario. Some providers may invest heavily to provide coverage in a wide area, while other providers would invest considerably less to provide coverage in a "hotspot" (small area). There exist two business models; in the first, the providers share their networks explicitly in a cooperative manner. In the second model, the providers compete with each other for users. This paper studies the competitive case, where providers have heterogeneous (partially overlapping) coverage. We analyse which service provisioning conditions are viable to the hotspot provider. The obtained results highlight the importance of infrastructure investments that characterized by degree of competition in the market. The system performance is also affected by the choice of sensitivity towards price and QoS. The results indicate that the hotspot provider could have a profit under given spectrum access mechanism and competition setting, which both would affect the level of the its profitability.

Place, publisher, year, edition, pages
VDE Verlag GmbH, 2011. 313-318 p.
Keyword [en]
Investments, Profitability, Business models, High bandwidth, Infrastructure investment, Mobile broadband, Radio networks, Service provisioning, Spectrum access, Spectrum allocation
National Category
URN: urn:nbn:se:kth:diva-50753ScopusID: 2-s2.0-84907067701ISBN: 978-3-8007-3343-9OAI: diva2:462597
17th European Wireless Conference 2011, EW 2011, Vienna, Austria, 27 April 2011 through 29 April 2011

QC 20111207

Available from: 2011-12-07 Created: 2011-12-07 Last updated: 2015-04-22Bibliographically approved
In thesis
1. Real-Time Spectrum Access in Heterogeneous Wireless Networks: Competition, Deployment and Pricing
Open this publication in new window or tab >>Real-Time Spectrum Access in Heterogeneous Wireless Networks: Competition, Deployment and Pricing
2012 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

The first decade of twenty-first century has witnessed the spread of innovative wireless technologies: novel wireless network architectures and services; operations in unlicensed bands, advanced mobile devices and smartphones. All these have pondered growing demand for wireless broadband services, so that more spectra are required. Consequently,the advent of flat-rate service pricing for mobile broadband services plus continuous investments in a network infrastructure and shortage of licensed spectrum make it more difficult for current wireless operators (OPs) to financially sustain themselves in a competitive environment.

Since existing, fixed spectrum allocation (FSA), mechanism offers very limited flexibility, dynamic spectrum access from the market point of view is exploited here to support such flexibility. A framework of competitive spectrum access, where available spectrum can be leased based on the outcome of competition between heterogeneous wireless operators in a short-term fashion, is reviewed in this thesis. The main objectives are: (1) to maximize spectrum efficiency by utilizing market mechanisms in a heterogeneous setting, and (2) to identify which conditions and criteria should be applied to allow heterogeneous wireless networks to be viable in the marketplace.

Under the competitive spectrum access framework, we explore three directions to tackle these objectives for a case of a two-operators system. First, we will look at how an inter-operator competition can affect the operator profits under an asymmetry in their networks. Then, we will analyze which deployment strategies in a heterogeneous environment should be utilized. Finally, we will consider which pricing strategies can be applied by competing OPs to sustain themselves. Through analysis and extensive simulations, we show that heterogeneous access architectures and the scalable infrastructure deployment could improve not only spectrum utilization efficiency, but also facilitate viability of spectrum allocation in a competitive environment. As a conclusion, we believe that techno-economical approach used to assess a feasibility of the framework could help in the designing of future wireless systems to efficiently utilize both the infrastructure and the spectrum resources.

Place, publisher, year, edition, pages
Stockholm, Sweden: KTH Royal Institute of Technology, 2012. xi, 63 p.
TRITA-ICT-COS, ISSN 1653-6347 ; 1205
National Category
Research subject
urn:nbn:se:kth:diva-95143 (URN)978-91-7501-393-0 (ISBN)
2012-06-05, Sal/Hall C1, ICT-KTH, Electrum, Isafjordsgatan 26, Kista, 14:00 (English)
EU, FP7, Seventh Framework ProgrammeWireless@kth

QC 20120529

Available from: 2012-05-29 Created: 2012-05-14 Last updated: 2016-04-21Bibliographically approved

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