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Efficient Flooding Protocols and Energy Models for Wireless Sensor Networks
Linköping University, Department of Electrical Engineering. Linköping University, The Institute of Technology.
2007 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Wireless sensor networks are emerging from the mobile ad hoc network concept and as such they share many similarities. However, it is not the similarities that differentiates sensor networks from their ad hoc counterparts, it is the differences. One of the most important difference is that they should operate unattended for long periods of time. This is especially important since they usually rely on a finite energy source to function. To get this into a perspective, a sensor network constitutes of a sensor field where a number of sensor nodes are deployed. The sensor nodes relay the gathered information to a base station from which the data are forwarded either through a network or directly to the enduser. The communication between sensor nodes are conducted in an ad hoc manner, which means that paths toward the base station are dynamically constructed based on current network conditions. The network conditions changes and examples of this includes node failure, deactivated nodes, variations in the radio channel characteristics, etc.

As mentioned above, the sensor nodes are energy constrained and one of the more important design criteria is the life time of a sensor node or network. To be able to evaluate this criteria an energy dissipation model is needed. Most of the energy dissipation models developed for wireless sensor networks are not based on the basic sensor node architecture and as such they where not accurate enough for our needs. Thus, an energy dissipation model was developed. This model utilises the basic sensor node architecture to obtain the operation states available and their corresponding state transitions.

Communication is the most energy consuming task a sensor node can undertake. As such, the contributed energy dissipation model is used to evaluate this aspect of the proposed controlled flooding protocols. Generally, the controlled flooding protocols tries to minimise the number of forwarding nodes and by doing this they lower the energy consumed in the network. Along with this, the communication overhead of a protocol also needs to be taken into account. Our idea is to utilise the received signal strength directly to make forwarding decisions based on a cost function. This idea has a number of key features, which are: no additional overhead in the message, no neighbour knowledge and no location information are needed. The results from the proposed flooding protocols are promising as they have a lower number of forwarding nodes and a longer lifetime than the

others.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2007. , 103 p.
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1334
Keyword [en]
Wireless Sensor Networks
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-10064ISBN: 978-91-85895-54-0 (print)OAI: oai:DiVA.org:liu-10064DiVA: diva2:16814
Presentation
2007-11-16, E1029, Tekniska Högskolan i Jönköping, Jönköping, 14:00 (English)
Opponent
Supervisors
Note
Report code: LIU-TEK-LIC-2007:43.Available from: 2007-10-25 Created: 2007-10-25 Last updated: 2009-03-09
List of papers
1. Poster abstract: A Complete Energy Model for Wireless Sensor Networks
Open this publication in new window or tab >>Poster abstract: A Complete Energy Model for Wireless Sensor Networks
2006 (English)In: Adjunct Proceedings of the 3rd European Workshop on Wireless Sensor Networks (EWSN 2006), Zürish, Switzerland, Feb 12-14, 2006Conference paper, Published paper (Refereed)
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-12667 (URN)
Available from: 2007-10-25 Created: 2007-10-25 Last updated: 2009-03-18
2. Link Quality-Aided Flooding: A Simple Protocol for Efficient Flooding in Wireless Sensor Networks
Open this publication in new window or tab >>Link Quality-Aided Flooding: A Simple Protocol for Efficient Flooding in Wireless Sensor Networks
2006 (English)In: Proceedings of the Swedish National Computer Networking Workshop, Luleå, Sweden, October 26-27, 2006Conference paper, Published paper (Refereed)
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-12668 (URN)
Available from: 2007-10-25 Created: 2007-10-25
3. Prioritising Bad Link for Fast and Efficient Flooding in Wireless Sensor Networks
Open this publication in new window or tab >>Prioritising Bad Link for Fast and Efficient Flooding in Wireless Sensor Networks
2007 (English)In: in Proceedings of the International Conference on Sensor Technologies and Applications, Valencia, Spain, October 14-20, 2007Conference paper, Published paper (Refereed)
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-12669 (URN)
Available from: 2007-10-25 Created: 2007-10-25
4. A Complete Energy Dissipation Model for Wireless Sensor Networks
Open this publication in new window or tab >>A Complete Energy Dissipation Model for Wireless Sensor Networks
2007 (English)In: In Proceedings of the International Conference on Sensor Technologies and Applications, Valencia, Spain, October 14-20, IEEE , 2007, 531-540 p.Conference paper, Published paper (Refereed)
Abstract [en]

Advances in both microelectronics and wireless commu- nication technology have made it possible to develop and manufacture low cost and energy efficient sensor nodes. To compare different designs and protocols with respect to both energy and delay constraints an energy dissipation model is needed that takes these aspects into account. In this paper we propose a complete energy dissipation model for wire- less sensor networks that uses four operation states. These states are based on the basic sensor nodes architecture and actual working conditions of a sensor node. It also takes into account the transition between the operation states, such that a decision to change operation state can be more accurately determined. In this paper we also present mea- sured values for both the power consumed in each operation state and the time it takes to complete a transition between two operation states.

Place, publisher, year, edition, pages
IEEE, 2007
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-12670 (URN)10.1109/SENSORCOMM.2007.4394975 (DOI)0-7695-2988-7 (ISBN)978-0-7695-2988-2 (ISBN)
Available from: 2007-10-25 Created: 2007-10-25 Last updated: 2013-09-20

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Öberg, Lasse

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