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Fiber Access Networks: Reliability Analysis and Swedish Broadband Market
KTH, School of Information and Communication Technology (ICT), Optics and Photonics, Photonics. KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.ORCID iD: 0000-0001-6704-6554
KTH, School of Information and Communication Technology (ICT), Optics and Photonics, Photonics. KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
2009 (English)In: IEICE transactions on communications, ISSN 0916-8516, E-ISSN 1745-1345, Vol. E92B, no 10, 3006-3014 p.Article in journal (Refereed) Published
Abstract [en]

Fiber access network architectures such as active optical networks (AONs) and passive optical networks (PONS) have been developed to support the growing bandwidth demand. Whereas particularly Swedish operators prefer AON, this may not be the case for operators in other countries. The choice depends on a combination of technical requirements, practical constraints, business models, and cost. Due to the increasing importance of reliable access to the network services, connection availability is becoming one of the most crucial issues for access networks. which should be reflected in the network owner's architecture decision. In many cases protection against failures is realized by adding backup resources. However, there is a trade off between the cost of protection and the level of service reliability since improving reliability performance by duplication of network resources (and capital expenditures CAPEX) may be too expensive. In this paper we present the evolution of fiber access networks and compare reliability performance in relation to investment and management cost for some representative cases. We consider both standard and novel architectures for deployment in both sparsely and densely populated areas. While some recent works focused on PON protection schemes with reduced CAPEX the current and future effort should be put on minimizing the operational expenditures (OPEX) during the access network lifetime.

Place, publisher, year, edition, pages
2009. Vol. E92B, no 10, 3006-3014 p.
Keyword [en]
optical fiber LAN, protection, reliability, capital expenditures (CAPEX), operational expenditures (OPEX), fiber-to-the-home (FTTH), passive optical network (PON), active optical network (AON)
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-30388DOI: 10.1587/transcom.E92.B.3006ISI: 000272393600002Scopus ID: 2-s2.0-77956592660OAI: oai:DiVA.org:kth-30388DiVA: diva2:401191
Note
QC 20110301 Asia-Pacific Conference on Communications/International Conference on Optical Internet, Tokyo, JAPAN, 2008Available from: 2011-03-01 Created: 2011-02-24 Last updated: 2017-12-11Bibliographically approved

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Wosinska, Lena

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