Network Reliability Analysis under the Multivariate Normal Model

High Frequency (HF) radios have been used since the early 20th century for long-distance communication. HF communication systems primarily utilize skywave propagation in which the ionosphere is used to reflect radiowaves back to Earth. The performance of HF communication links is directly tied to...

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Bibliographic Details
Main Author: Wigmore, Jerrod
Other Authors: Modiano, Eytan
Format: Thesis
Published: Massachusetts Institute of Technology 2022
Online Access:https://hdl.handle.net/1721.1/140063
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author Wigmore, Jerrod
author2 Modiano, Eytan
author_facet Modiano, Eytan
Wigmore, Jerrod
author_sort Wigmore, Jerrod
collection MIT
description High Frequency (HF) radios have been used since the early 20th century for long-distance communication. HF communication systems primarily utilize skywave propagation in which the ionosphere is used to reflect radiowaves back to Earth. The performance of HF communication links is directly tied to the ionospheric propagation medium. The ionosphere is a highly variable and irregular environment that creates many challenges in the design of robust HF communication networks. Ionospheric characteristics vary temporally and will be spatially correlated. As a result, link failures within an HF network may also be correlated. In this thesis we develop a novel model for probabilistic link failures that captures the correlation expected in HF communication networks. We focus on two problems related to the design of robust HF networks- 1.) The Network Reliability Problem, which seeks to compute the probability a network is operational in the presence of random link failures, and 2.) the Most Reliable Path Problem, which seeks to identify the most reliable path between two nodes in a network.
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spelling mit-1721.1/1400632022-02-08T03:09:52Z Network Reliability Analysis under the Multivariate Normal Model Wigmore, Jerrod Modiano, Eytan Shrader, Brooke Massachusetts Institute of Technology. Department of Aeronautics and Astronautics High Frequency (HF) radios have been used since the early 20th century for long-distance communication. HF communication systems primarily utilize skywave propagation in which the ionosphere is used to reflect radiowaves back to Earth. The performance of HF communication links is directly tied to the ionospheric propagation medium. The ionosphere is a highly variable and irregular environment that creates many challenges in the design of robust HF communication networks. Ionospheric characteristics vary temporally and will be spatially correlated. As a result, link failures within an HF network may also be correlated. In this thesis we develop a novel model for probabilistic link failures that captures the correlation expected in HF communication networks. We focus on two problems related to the design of robust HF networks- 1.) The Network Reliability Problem, which seeks to compute the probability a network is operational in the presence of random link failures, and 2.) the Most Reliable Path Problem, which seeks to identify the most reliable path between two nodes in a network. S.M. 2022-02-07T15:21:57Z 2022-02-07T15:21:57Z 2021-09 2021-09-16T17:14:17.743Z Thesis https://hdl.handle.net/1721.1/140063 In Copyright - Educational Use Permitted Copyright MIT http://rightsstatements.org/page/InC-EDU/1.0/ application/pdf Massachusetts Institute of Technology
spellingShingle Wigmore, Jerrod
Network Reliability Analysis under the Multivariate Normal Model
title Network Reliability Analysis under the Multivariate Normal Model
title_full Network Reliability Analysis under the Multivariate Normal Model
title_fullStr Network Reliability Analysis under the Multivariate Normal Model
title_full_unstemmed Network Reliability Analysis under the Multivariate Normal Model
title_short Network Reliability Analysis under the Multivariate Normal Model
title_sort network reliability analysis under the multivariate normal model
url https://hdl.handle.net/1721.1/140063
work_keys_str_mv AT wigmorejerrod networkreliabilityanalysisunderthemultivariatenormalmodel