R. Diaz de la Iglesia

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2ranked-venue papers

2as first author

0since 2021 · last 1994

—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Computer networks · 2 · 2 first-author

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer networks 2 papers		Network optimization and economics · 50% Optical networks · 40% Network management and operations · 10%
Computer architecture, parallel and distributed computing, and storage systems 1 paper		Hardware reliability and fault tolerance · 100%

Topics — the 4 heaviest of 6, each with the papers that count most for it

Topic	Papers	Last	Evidence papers
Optical networks › optical access network fiber optic subscriber loop	1	1994	Service-affecting optoelectronic failures in FITL systems: downtime, repair actions, and maintenance expenses · IEEE J. Sel. Areas Commun. 1994
Hardware reliability and fault tolerance failure analysis	1	1994	Service-affecting optoelectronic failures in FITL systems: downtime, repair actions, and maintenance expenses · IEEE J. Sel. Areas Commun. 1994
Network optimization and economics resource allocation	1	1992	Parametric Methodology for Analyzing Implementation Strategies of Residential Broadband Networks: The Incremental Cost of Integrated Access · IEEE J. Sel. Areas Commun. 1992
Optical networks optical access network	1	1992	Parametric Methodology for Analyzing Implementation Strategies of Residential Broadband Networks: The Incremental Cost of Integrated Access · IEEE J. Sel. Areas Commun. 1992

Methods — techniques the papers use, named apart from their topics

lifecycle cost analysis · 0.0downtime analysis · 0.0parametric cost methodology · 0.0

Year	Publication	Venue	Position
1994	Service-affecting optoelectronic failures in FITL systems: downtime, repair actions, and maintenance expenses abstract This paper provides a quantitative examination of lifecycle cost versus operating environment for fiber-in-the-loop (FITL) systems. It focuses on reactive maintenance due to service-affecting failures of optoelectronic elements. The scope is limited to passive point-to-multipoint star local networks, engineered to deliver narrowband telecommunication POT's services, with hybrid fiber/copper architectures (i.e., the customer's terminal equipment (TE) is connected with symmetrical copper pairs to the optical network unit or ONU of the FITL system). The influence of service-affecting failure rates, times to repair, and the various temperature environments faced by the optoelectronic equipment is evaluated in terms of: (i) service downtime; and (ii) the number of repair actions and maintenance expenses due to service affecting failures on the optoelectronics-related elements. The author estimates some $60 expenses, per line during a 20 year lifecycle, if the ONU is in a partly controlled temperature environment, and some $170 in an uncontrolled temperature environment. A downtime, per line per year, lower that 60 minutes can be achieved in both types of environment. Placing the ONU in a partly controlled environment, however, enables a 100% increase in the times to repair or, alternatively, some 90% decrease in the downtime.> R. Diaz de la Iglesia	IEEE J. Sel. Areas Commun.	1
1992	Parametric Methodology for Analyzing Implementation Strategies of Residential Broadband Networks: The Incremental Cost of Integrated Access abstract An engineering framework for estimating the investment cost of two implementation strategies intended to provide broadband (video services) access to residential customers in new construction areas is described. One strategy is the deployment of a single (digital and fiber) integrated network, and the other is the codeployment of dual, separate networks (one for narrowband and the others for TV distribution). The methodology derives the investment per subscriber as a function of network element's costs and demographical, topological, and service penetration parameters. The methodology is applied to TELEFONICA's network. The incremental cost of the integrated network (compared with dual networks codeployment) is estimated to be around $700 per customer. The results highlight the importance of broadband services that would not be fully provided by conventional cable TV distribution networks.> R. Diaz de la Iglesia	IEEE J. Sel. Areas Commun.	1