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Interplay Between Cost,Capacity and Power Consumption in Heterogeneous Mobile Networks
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Radio Systems Laboratory (RS Lab). KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth.
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth. (Wireless@KTH)
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Radio Systems Laboratory (RS Lab). KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth.
2014 (English)In: 2014 21st International Conference on Telecommunications, ICT 2014, Lisbon: IEEE Press, 2014, , 5 p.98-102 p.Conference paper, Published paper (Refereed)
Abstract [en]

Mobile operators nowadays tend to deploy dense heterogeneous layers of 3G and 4G networks in outdoor and indoor environments by adding more macrocells and small cells (e.g. microcells, picocells and femtocells) in response to the increasing demand for coverage and capacity. Another main driver and enabler behind this tendency is the phenomenon that around 80% of power consumption in mobile communication networks stems from the radio base stations. This situation makes mobile operators opt for the use of lowpower radio base stations to provide better coverage, capacity and an environmentally-friendly operation. In this paper the interplay between the deployment costs, targeted QoS and power consumptions have been studied considering two deployment options for the provisioning of the required mobile broadband coverage and capacity; namely the heterogeneous network (HetNet) option versus the homogenous macrocell deployment option. The main findings indicate that, the perceived saving in the total cost of ownership (TCO) resulting from offloading percentage of network traffic to indoor smallcell, in the case of HetNet, is bounded by the mobile subscriber density per area, their usage patterns, the adopted backhaul solution and the used spectrum resources. In general, a quite paying cost and power saving can be achieved by the heterogonous deployment solution for scenarios with high demand levels especially when there is a need to use the spectrum resources more efficiently.

Place, publisher, year, edition, pages
Lisbon: IEEE Press, 2014. , 5 p.98-102 p.
Keyword [en]
Backhaul, Cost, Capacity, Femtocell, fiber optic, LTE, Microwave, Macrocell, Power Consumption
National Category
Telecommunications
Research subject
Information and Communication Technology
Identifiers
URN: urn:nbn:se:kth:diva-159335DOI: 10.1109/ICT.2014.6845088ISI: 000355276500020Scopus ID: 2-s2.0-84904425650ISBN: 978-147995141-3 (print)OAI: oai:DiVA.org:kth-159335DiVA: diva2:784377
Conference
2014 21st International Conference on Telecommunications (ICT),4 - 7 May 2014, Lisbon, Portugal
Projects
5GrEEn project
Funder
Wireless@kth
Note

QC 20150210

Available from: 2015-01-29 Created: 2015-01-29 Last updated: 2017-05-10Bibliographically approved
In thesis
1. Towards Affordable Provisioning Strategies for Local Mobile Services in Dense Urban Areas: A Techno-economic Study
Open this publication in new window or tab >>Towards Affordable Provisioning Strategies for Local Mobile Services in Dense Urban Areas: A Techno-economic Study
2017 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

The future mobile communication networks are expected to cope with growing local usage patterns especially in dense urban areas at more affordable deployment and operation expenses. Beyond leveraging small cell architectures and advanced radio access technologies; more radio spectrum are expected to be required to achieve the desired techno-economic targets. Therefore, the research activity has been directed towards discussing the benefits and needs for more flexible and local spectrum authorization schemes. This thesis work is meant to be a contribution to this ongoing discussion from a techno-economic perspective.

 

In chapter three, the engineering value of the different flexible authorization options are evaluated from the perspective of established mobile network operators using the opportunity cost approach. The main results in chapter three indicate the economic incentives to deploy more small cells based on flexible spectrum authorization options are subject to the potential saving in the deployment and operation costs. Nonetheless; high engineering value can be anticipated when the density of small cells is equal or larger than the active mobile subscribers’ density.

 

While in chapter four, the possible local business models around different flexible authorization options are investigated from the perspective of emerging actors with limited or ’no’ licensed spectrum resources. In this context, dependent or independent local business can be identified according to surrounding spectrum regulations. On possible independent local business models for those emerging actors is to exploit the different flexible spectrum authorization options to provision tailored local mobile services. Other viable dependent local business models rest with the possibility to enter into different cooperation agreements to deploy and operate dedicated local mobile infrastructure on behalf established mobile network operators.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2017. 61 p.
Series
TRITA-ICT, 2017:07
National Category
Telecommunications
Research subject
Information and Communication Technology
Identifiers
urn:nbn:se:kth:diva-206950 (URN)978-91-7729-319-4 (ISBN)
Presentation
2017-06-07, Sal C, Kistagången 16, Kista, Stockholm, 13:00 (English)
Opponent
Supervisors
Note

QC 20170510

Available from: 2017-05-11 Created: 2017-05-10 Last updated: 2017-05-12Bibliographically approved

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