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Bottleneck Zone Analysis in Energy-Constrained Wireless Sensor Networks
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för informationsteknologi och medier. (SensorNetworkSecurity, SensibleReality)
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för informationsteknologi och medier. (SensorNetworkSecurity, SensibleReality)
2009 (engelsk)Inngår i: IEEE Communications Letters, ISSN 1089-7798, E-ISSN 1558-2558, Vol. 13, nr 6, s. 423-425Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In a typical sensor network, nodes around the sink bear more energy consumption than those further away. It is not unusual that limited energy resources available at the nodes around the sink become the bottleneck which confines the whole network's performance. In this article, we firstly formally define the so-called bottleneck zone inside sensor networks. Then, the effect of the bottleneck zone on network performance is investigated by deducting performance bounds limited by the energy resources available inside the bottleneck zone. In this article, both the performance bound in terms of network lifetime and the performance bound in terms of information collection are explored. Finally, the ways by which network deployment parameters may affect the performance bounds are analyzed.

sted, utgiver, år, opplag, sider
2009. Vol. 13, nr 6, s. 423-425
HSV kategori
Identifikatorer
URN: urn:nbn:se:miun:diva-8163DOI: 10.1109/LCOMM.2009.090119ISI: 000267064800019Scopus ID: 2-s2.0-67650658161OAI: oai:DiVA.org:miun-8163DiVA, id: diva2:133384
Prosjekter
STC - Sensible Things that CommunicateTilgjengelig fra: 2009-01-09 Laget: 2009-01-09 Sist oppdatert: 2018-01-13bibliografisk kontrollert
Inngår i avhandling
1. Traffic Analysis, Modeling and Their Applications in Energy-Constrained Wireless Sensor Networks: On Network Optimization and Anomaly Detection
Åpne denne publikasjonen i ny fane eller vindu >>Traffic Analysis, Modeling and Their Applications in Energy-Constrained Wireless Sensor Networks: On Network Optimization and Anomaly Detection
2010 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

Wireless sensor network (WSN) has emerged as a promising technology thanks to the recent advances in electronics, networking, and information processing. A wide range of WSN applications have been proposed such as habitat monitoring, environmental observations and forecasting systems, health monitoring, etc. In these applications, many low power and inexpensive sensor nodes are deployed in a vast space to cooperate as a network.

Although WSN is a promising technology, there is still a great deal of additional research required before it finally becomes a mature technology. This dissertation concentrates on three factors which are holding back the development of WSNs. Firstly, there is a lack of traffic analysis & modeling for WSNs. Secondly, network optimization for WSNs needs more investigation. Thirdly, the development of anomaly detection techniques for WSNs remains a seldomly touched area.

In the field of traffic analysis & modeling for WSNs, this dissertation presents several ways of modeling different aspects relating to WSN traffic, including the modeling of sequence relations among arriving packets, the modeling of a data traffic arrival process for an event-driven WSN, and the modeling of a traffic load distribution for a symmetric dense WSN. These research results enrich the current understanding regarding the traffic dynamics within WSNs, and provide a basis for further work on network optimization and anomaly detection for WSNs.

In the field of network optimization for WSNs, this dissertation presents network optimization models from which network performance bounds can be derived. This dissertation also investigates network performances constrained by the energy resources available in an indentified bottleneck zone. For a symmetric dense WSN, an optimal energy allocation scheme is proposed to minimize the energy waste due to the uneven energy drain among sensor nodes. By modeling the interrelationships among communication traffic, energy consumption and WSN performances, these presented results have efficiently integrated the knowledge on WSN traffic dynamics into the field of network optimization for WSNs.

Finally, in the field of anomaly detection for WSNs, this dissertation uses two examples to demonstrate the feasibility and the ease of detecting sensor network anomalies through the analysis of network traffic. The presented results will serve as an inspiration for the research community to develop more secure and more fault-tolerant WSNs.

sted, utgiver, år, opplag, sider
Sundsvall: Tryckeriet Mittuniversitetet, 2010. s. 120
Serie
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 78
Emneord
Wireless sensor network, traffic analysis, network optimization, anomaly detection
HSV kategori
Identifikatorer
urn:nbn:se:miun:diva-10690 (URN)978-91-86073-64-0 (ISBN)
Disputas
2010-02-03, L111, Mittuniversitetet, Holmgatan 10, 85170 Sundsvall, Sundsvall, 10:00 (engelsk)
Opponent
Veileder
Prosjekter
STC
Tilgjengelig fra: 2010-01-26 Laget: 2009-12-16 Sist oppdatert: 2018-01-12bibliografisk kontrollert

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