Synchronization of multihop wireless sensor networks at the application layer

Time synchronization is a key issue in wireless sensor networks; timestamping collected data, tasks scheduling, and efficient communications are just some applications. From all the existing techniques to achieve synchronization, those based on precisely time-stamping sync messages are the most accu...

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Autores: Marco Marco, Álvaro, Casas, Roberto, Sevillano Ramos, José Luis, Coarasa, Victorián, Asensio, Ángel, Obaidat, Mohammad S.
Tipo de recurso: artículo
Estado:Versión enviada para evaluación y publicación
Fecha de publicación:2011
País:España
Institución:Universidad de Sevilla (US)
Repositorio:idUS. Depósito de Investigación de la Universidad de Sevilla
OAI Identifier:oai:idus.us.es:11441/93875
Acceso en línea:https://hdl.handle.net/11441/93875
https://doi.org/10.1109/MWC.2011.5714029
Access Level:acceso abierto
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spelling Synchronization of multihop wireless sensor networks at the application layerMarco Marco, ÁlvaroCasas, RobertoSevillano Ramos, José LuisCoarasa, VictoriánAsensio, ÁngelObaidat, Mohammad S.Time synchronization is a key issue in wireless sensor networks; timestamping collected data, tasks scheduling, and efficient communications are just some applications. From all the existing techniques to achieve synchronization, those based on precisely time-stamping sync messages are the most accurate. However, working with standard protocols such as Bluetooth or ZigBee usually prevents the user from accessing lower layers and consequently reduces accuracy. A receiver-to-receiver schema improves timestamping performance because it eliminates the largest non-deterministic error at the sender’s side: the medium access time. Nevertheless, utilization of existing methods in multihop networks is not feasible since the amount of extra traffic required is excessive. In this article, we present a method that allows accurate synchronization of large multihop networks, working at the application layer while keeping the message exchange to a minimum. Through an extensive experimental study, we evaluate the protocol’s performance and discuss the factors that influence synchronization accuracy the most.Ministerio de Ciencia y Tecnología TIN2006-15617-C03IEEE Computer SocietyArquitectura y Tecnología de Computadores2011info:eu-repo/semantics/articleinfo:eu-repo/semantics/submittedVersionapplication/pdfapplication/pdfhttps://hdl.handle.net/11441/93875https://doi.org/10.1109/MWC.2011.5714029reponame:idUS. Depósito de Investigación de la Universidad de Sevillainstname:Universidad de Sevilla (US)InglésIEEE Wireless Communications, 18 (1), 82-88.TIN2006-15617-C03https://ieeexplore.ieee.org/document/5714029info:eu-repo/semantics/openAccessoai:idus.us.es:11441/938752026-06-17T12:51:07Z
dc.title.none.fl_str_mv Synchronization of multihop wireless sensor networks at the application layer
title Synchronization of multihop wireless sensor networks at the application layer
spellingShingle Synchronization of multihop wireless sensor networks at the application layer
Marco Marco, Álvaro
title_short Synchronization of multihop wireless sensor networks at the application layer
title_full Synchronization of multihop wireless sensor networks at the application layer
title_fullStr Synchronization of multihop wireless sensor networks at the application layer
title_full_unstemmed Synchronization of multihop wireless sensor networks at the application layer
title_sort Synchronization of multihop wireless sensor networks at the application layer
dc.creator.none.fl_str_mv Marco Marco, Álvaro
Casas, Roberto
Sevillano Ramos, José Luis
Coarasa, Victorián
Asensio, Ángel
Obaidat, Mohammad S.
author Marco Marco, Álvaro
author_facet Marco Marco, Álvaro
Casas, Roberto
Sevillano Ramos, José Luis
Coarasa, Victorián
Asensio, Ángel
Obaidat, Mohammad S.
author_role author
author2 Casas, Roberto
Sevillano Ramos, José Luis
Coarasa, Victorián
Asensio, Ángel
Obaidat, Mohammad S.
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Arquitectura y Tecnología de Computadores
description Time synchronization is a key issue in wireless sensor networks; timestamping collected data, tasks scheduling, and efficient communications are just some applications. From all the existing techniques to achieve synchronization, those based on precisely time-stamping sync messages are the most accurate. However, working with standard protocols such as Bluetooth or ZigBee usually prevents the user from accessing lower layers and consequently reduces accuracy. A receiver-to-receiver schema improves timestamping performance because it eliminates the largest non-deterministic error at the sender’s side: the medium access time. Nevertheless, utilization of existing methods in multihop networks is not feasible since the amount of extra traffic required is excessive. In this article, we present a method that allows accurate synchronization of large multihop networks, working at the application layer while keeping the message exchange to a minimum. Through an extensive experimental study, we evaluate the protocol’s performance and discuss the factors that influence synchronization accuracy the most.
publishDate 2011
dc.date.none.fl_str_mv 2011
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/submittedVersion
format article
status_str submittedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/11441/93875
https://doi.org/10.1109/MWC.2011.5714029
url https://hdl.handle.net/11441/93875
https://doi.org/10.1109/MWC.2011.5714029
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv IEEE Wireless Communications, 18 (1), 82-88.
TIN2006-15617-C03
https://ieeexplore.ieee.org/document/5714029
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv IEEE Computer Society
publisher.none.fl_str_mv IEEE Computer Society
dc.source.none.fl_str_mv reponame:idUS. Depósito de Investigación de la Universidad de Sevilla
instname:Universidad de Sevilla (US)
instname_str Universidad de Sevilla (US)
reponame_str idUS. Depósito de Investigación de la Universidad de Sevilla
collection idUS. Depósito de Investigación de la Universidad de Sevilla
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,198674

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