Encontrados 31 documentos, a visualizar página 1 de 4
A network access control framework for 6LoWPAN networks
Oliveira, Luís Miguel Lopes de; Rodrigues, Joel; Sousa, Amaro Fernandes de; Lloret, JaimeLow power over wireless personal area networks (LoWPAN), in particular wireless sensor networks, represent an emerging technology with high potential to be employed in critical situations like security surveillance, battlefields, smart-grids, and in e-health applications. The support of security services in LoWPAN is considered a challenge. First, this type of networks is usually deployed in unattended environm...
Metodologia da fiscalização de obras : revestimento exterior
Rodrigues, Joel EnesTese de mestrado integrado. Engenharia Civil (Especialização em Construções Civis). Faculdade de Engenharia. Universidade do Porto. 2010
Management system for IPv6-enabled wireless sensor networks
Oliveira, Luis M.L.; Amaral, Joao P.; Caldeira, Joao M.P.L.; Rodrigues, Joel J. P. C.; Zhou, Liang“Copyright © [2011] IEEE. Reprinted from Internet of Things (iThings/CPSCom), 2011 International Conference on and 4th International Conference on Cyber, Physical and Social Computing. ISBN 978-1-4577-1976-9 This material is posted here with permission of the IEEE. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purpo...
VDTNsim: a simulation tool for vehicular delay-tolerant networks
Soares, Vasco N. G. J.; Farahmand, Farid; Rodrigues, Joel J. P. C.“Copyright © [2010] IEEE. Reprinted from 15th IEEE International Workshop on Computer-Aided Modeling Analysis and Design of Communication Links and Networks.(IEEE CAMAD 2010) ISBN:978-1-4244-7634-3. This material is posted here with permission of the IEEE. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for...
Performance analysis of scheduling and dropping policies in vehicular delay-tol...
Soares, Vasco N. G. J.; Farahmand, Farid; Rodrigues, Joel J. P. C.Vehicular Delay-Tolerant Networking (VDTN) was proposed as a new variant of a delay/disruptive-tolerant network, designed for vehicular networks. These networks are subject to several limitations including short contact durations, connectivity disruptions, network partitions, intermittent connectivity, and long delays. To address these connectivity issues, an asynchronous, store-carry-and-forward paradigm is co...
Traffic differentiation support in vehicular delay-tolerant networks
Soares, Vasco N. G. J.; Farahmand, Farid; Rodrigues, Joel J. P. C.Vehicular Delay-Tolerant Networking (VDTN) is a Delay-Tolerant Network (DTN) based architecture concept for transit networks, where vehicles movement and their bundle relaying service is opportunistically exploited to enable non-real time applications, under environments prone to connectivity disruptions, network partitions and potentially long delays. In VDTNs, network resources may be limited, for instance du...
User-centric plug-and-play functionality for IPv6-enabled wireless sensor networks
Neves, Paulo A. C. S.; Vaidya, Binod; Rodrigues, Joel J.P.C.“Copyright © [2010] IEEE. Reprinted from 2010 IEEE International Conference on Communications. ISBN:978-1-4244-6402-9. This material is posted here with permission of the IEEE. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained fro...
A new wireless biosensor for intra-vaginal temperature monitoring
Caldeira, João M. L. P.; Rodrigues, Joel J. P. C.; Garcia, João F. R.; Torre, Isabel de laWireless Body Sensors for medical purposes offer valuable contributions to improve patients’ healthcare, including diagnosis and/or therapeutics monitoring. Body temperature is a crucial parameter in healthcare diagnosis. In gynecology and obstetrics it is measured at the skin’s surface, which is very influenced by the environment. This paper proposes a new intra-body sensor for long-term intra-vaginal temperat...
Intra-body temperature monitoring using a biofeedback solution
Caldeira, João M. L. P.; Moutinho, José A. F.; Vaidya, Binod; Lorenz, Pascal; Rodrigues, Joel J. P. C.“Copyright © [2010] IEEE. Reprinted from 2nd International Conference on eHealth, Telemedicine, and Social Medicine . ISBN: 978-0-7695-3950-8. This material is posted here with permission of the IEEE. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribut...
Solutions for vehicular communications: a review
Soares, Vasco N. G. J.; Isento, João N.; Dias, João A.; Silva, Bruno M.; Rodrigues, Joel J. P. C.Vehicular networks experience a number of unique challenges due to the high mobility of vehicles and highly dynamic network topology, short contact durations, disruption intermittent connectivity, significant loss rates, node density, and frequent network fragmentation. All these issues have a profound impact on routing strategies in these networks. This paper gives an insight about available solutions on relat...
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