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A Combinatorial Optimisation Approach to the Design of Dual Parented Long-Reach Passive Optical Networks
2011
2011 IEEE 23rd International Conference on Tools with Artificial Intelligence
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We present an application focused on the design of resilient long-reach passive optical networks. ...
We present three alternative combinatorial optimisation approaches to finding an optimal metro node placement using: a mixed integer linear programming formulation of the problem; a hybrid approach that ...
INTRODUCTION Long Reach Passive Optical Networks (LR-PONs) are gaining increasing interest as they provide a low cost and economically viable solution for fibre-to-the-home network architectures [1] . ...
doi:10.1109/ictai.2011.123
dblp:conf/ictai/CambazardMOQRPD11
fatcat:pulmbzbcyja3fa4ltofrlqlh4q
A Combinatorial Optimisation Approach to Designing Dual-Parented Long-Reach Passive Optical Networks
[article]
2011
arXiv
pre-print
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We present an application focused on the design of resilient long-reach passive optical networks. ...
We present two alternative combinatorial optimisation approaches to finding an optimal metro node placement using: a mixed integer linear programming (MIP) formulation of the problem; and, a hybrid approach ...
Conclusions and Future Work We have studied and solved the double coverage problem arising in long reach passive optical networks that are robust to single node failures. ...
arXiv:1109.1231v1
fatcat:p2efaibwr5byfmk4mo2l2hhgfi
Deployment Strategies for Protected Long-Reach PON
2012
Journal of Optical Communications and Networking
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Next generation networks, and in particular the Long-Reach Passive Optical Network (LR-PON) solution, aim to increase long term economic viability and sustainability of Fibre-To-The-Premises (FTTP) deployment ...
Index Terms-Long-Reach passive optical networks, network protection and resiliency, network optimization, cost analysis. ...
We would like to thank Eircom for providing information about their internal network structure. ...
doi:10.1364/jocn.4.000118
fatcat:tuh3n73ljvabpix3baj6u5fgge
Routing and network design for HEAnet
2013
2013 15th International Conference on Transparent Optical Networks (ICTON)
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HEAnet is Ireland's national education and research network. In this paper we address the problem of deploying long-reach passive optical access points and core nodes for this network. ...
Then, we compute the actual route that the cable needs to follow to reach every customer taking into account that there is an upper bound on the length of the path from the core node to the customer. ...
INTRODUCTION In this paper we study the challenge of developing a combinatorial optimisation approach to designing a longreach passive optical network (LR-PON) [4] infrastructure for Ireland's HEAnet ...
doi:10.1109/icton.2013.6603033
fatcat:k5mkdg6dtrgz5gyq5akdjttg44
Computational Air Traffic Management
2011
2011 IEEE/AIAA 30th Digital Avionics Systems Conference
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A specific embodiment of a CATM system was designed, constructed, simulated and tested and shown to be a significant step towards demonstrating the feasibility of a fully autonomous multi-agent-based air ...
In this work, the traditionally incremental approach to ATM research was broken to favour a more exploratory mindset. ...
The worst case scenario arises when the angle of approach reaches 180° -a head on collision. ...
doi:10.1109/dasc.2011.6095967
fatcat:5kfu6ba5h5g7pdffh7z3ftdjai
14th International Symposium on Mathematical Programming
1990
Mathematical programming
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to the well known serious steps und null steps of bundle methods a third type of steps is used to generate the model of dom . ...
Finally I report numerical results of a comparison between the variant and a minimization approach using penalty functions. ...
MO4-U-IN10 A Capacitated Bus Grid Network Design Problem Henningsson Mathias J Linkvping University
Keywords: heuristics -network design We present a capacitated network design problem, where optical ...
doi:10.1007/bf01580875
fatcat:3jtclwmntzgjxkqs5uecombdaa
A Vertical Handoff Decision Algorithm for Next Generation Wireless Networks
2008
2008 Third International Conference on Broadband Communications, Information Technology & Biomedical Applications
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to streamline and optimise the operations of their field workforces in an increasingly competitive market place. ...
types, user preferences, and a price model; used genetic algorithms and simulated annealing to optimise the access network selection function in order to dynamically select the optimal available access ...
Chapter 5 introduces the notion of optimisation and defines formally the combinatorial, continuous, and mixed-variable optimisation problems. ...
doi:10.1109/broadcom.2008.42
dblp:conf/broadcom/Nkansah-GyekyeA08
fatcat:t6wtst6vovebbk6anf54sicqy4
A Surface-Stress-Based Microcantilever Aptasensor
2014
IEEE Transactions on Biomedical Circuits and Systems
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This thesis presents the design and development of a microcantilever-based aptasensor employing SU-8 polymer as the fabrication material. ...
The specificity of a biosensor is determined by the immobilized bioreceptors. ...
Modelling and simulations Modelling of the proposed sensor design prior to realization of the actual device helps to optimise the design parameters for better sensitivity. ...
doi:10.1109/tbcas.2013.2286255
pmid:24681916
fatcat:xxoluue2lvb4jfrncmksrjwb5m
Evolution and development of neural controllers for locomotion, gradient-following, and obstacle-avoidance in artificial insects
1998
IEEE Transactions on Neural Networks
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Finally, the robustness properties of the generated controller were assessed with a view to its applicability to a real platform. ...
Abstract This paper is inspired by the way birds like albatrosses are able to exploit wind gradients at the surface of oceans for staying aloft during very long periods while minimizing their energy expenditure ...
The authors wish to thank Thierry Druot for the development of the flight simulator and for his help with the analysis of the huge amount of data produced by the simulation. ...
doi:10.1109/72.712153
pmid:18255767
fatcat:iy4zjzgcjzc6pmwoqp3c5xpfga
Abstracts of papers and posters presented at the 2001 Pittsburgh Conference
2001
Journal of automated methods & management in chemistry (Print)
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The analysis of combinatorial plate MS data has generally been approache d using searching of the molecular mass of the parent ion based upon an input list of expected molecular masses. ...
Although the approach and exact design continues to evolve, the present design is particularly robust and versatile. ...
We report here two approaches to the automated elucidation of structures from spectroscopic data. ...
doi:10.1155/s1463924601000141
pmid:18924868
pmcid:PMC2548339
fatcat:kjaydgwoyjdb5kzq2qdpj6fi6i
Interaction in Distributed Virtual Environments
[article]
2005
Eurographics State of the Art Reports
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The objective of this course is to give an introduction to the issues to consider when building highly engaging interactive shared virtual environments, and techniques to mediate complex haptic interaction ...
Second we consider issues of distribution with an emphasis on avoiding potential pitfalls when distributing complex simulations together with an analysis of real network conditions, and the implications ...
Aranha at The University of Bristol for invaluable help with profiling typical networks. ...
doi:10.2312/egt.20051057
fatcat:y3cgrhdjojdf3ij4p5aloxefwm
Analytic Hierarchy Process aided Key Management Schemes Evaluation in Wireless Sensor Network
2012
Journal of Networks
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The aim is to identify elements (e.g., links) to which extra network protection can be applied so that the impact of such failure events, in terms of the number of connections affected, is minimized. ...
In the studied scenario, several links of the GMPLS-based network fail concurrently in random locations, provoking the loss of all the end-to-end connections. ...
Also, the experimental results were generated from traces made available to us by CAIDA and NLANR. ...
doi:10.4304/jnw.7.1.88-100
fatcat:7atjgdr7hngvfjvvfibte6d3pm
Sliding Mode Control Of SMPS
2013
IOSR Journal of Electrical and Electronics Engineering
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The sliding mode controller is associated with a digital pulse width modulation (DPWM) block to operate at high switching frequency. ...
Analysis and experimental study of buck converter is presented to achieve desired output voltage. ...
A number of different optimisation techniques have been developed over the last decades. These include heuristic approaches, classical and combinatorial optimisation. ...
doi:10.9790/1676-0450111
fatcat:apowmkxvyjf65ekex6v2fuswdu
2021 roadmap for sodium-ion batteries
2021
Journal of Physics: Energy
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Increasing concerns regarding the sustainability of lithium sources, due to their limited availability and consequent expected price increase, have raised awareness of the importance of developing alternative ...
Furthermore, limitations on the availability of the transition metals used in the manufacturing of cathode materials, together with questionable mining practices, are driving development towards more sustainable ...
A Ponrouch is grateful to the Spanish Ministry for Economy, Industry and Competitiveness Severo Ochoa Programme for Centres of Excellence in R&D (SEV-2015-0496). ...
doi:10.1088/2515-7655/ac01ef
fatcat:h766fr7ytzemni5z4lrbwyl2le
Table of contents
2009
2009 17th Mediterranean Conference on Control and Automation
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Since it is difficult to design a control function that can handle all the circumstances of operations at the start phase, the control function needs to be adapted online. ...
Simulation results are provided to show the effectiveness of the proposed approach. 10:40-11:00 WeA2.4 Robust Adaptive Fuzzy Tracking Control for a Class of Nonlinear Systems, pp. 49-54 Essounbouli, Najib ...
This approach is applied to a representative example of dissipative PDEs, to demonstrate the effectiveness of the approach to design robust controllers. ...
doi:10.1109/med.2009.5164498
fatcat:bi37lbkbhfaihj7lbc64vvplo4
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