Download e-book for kindle: Low-Power Wireless Sensor Networks: Protocols, Services and by Jukka Suhonen

By Jukka Suhonen

ISBN-10: 1461421721

ISBN-13: 9781461421726

ISBN-10: 146142173X

ISBN-13: 9781461421733

Wireless sensor community (WSN) is an ad-hoc community know-how comprising even millions of autonomic and self-organizing nodes that mix environmental sensing, facts processing, and instant networking. The purposes for sensor networks variety from domestic and commercial environments to army makes use of. in contrast to the normal machine networks, a WSN is application-oriented and deployed for a particular job. WSNs are info centric, which means messages aren't ship to person nodes yet to geographical destinations or areas according to the knowledge content material. A WSN node is sometimes battery powered and characterised via super small dimension and occasional price.

As a outcome, the processing strength, reminiscence, and effort assets of anyone sensor node are constrained. in spite of the fact that, the feasibility of a WSN lies at the collaboration among the nodes. A reference WSN node contains a Micro-Controller Unit (MCU) having few Million directions in keeping with moment (MIPS) processing velocity, tens of kilobytes application reminiscence, few kilobytes facts reminiscence. moreover, the node encompasses a short-range radio, and a collection of sensors. provide strength is sometimes got with small batteries. Assuming a aim life of 12 months utilizing AA-size batteries, the to be had energy finances is round 1 mW.

This booklet covers the low-power WSNs prone starting from structures and communique protocols to community deployment, and sensor information assortment and actuation. the results of source constraints and anticipated functionality by way of throughput, reliability and latency are defined. As a case examine, this booklet offers experiments with low-energy TUTWSN know-how to demonstrate the probabilities and barriers of WSN applications.

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Extra info for Low-Power Wireless Sensor Networks: Protocols, Services and Applications

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Carrier Sense Multiple Access (CSMA) further reduces collisions and improves achievable throughput by checking channel activity prior to transmissions and avoiding transmission during busy channel situations. Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) [2] is a modification of CSMA, which reduces the congestion on a channel by deferring a transmission for a random interval (contention window). The contention window is increased if the channel is sensed to be busy (backoff), thus allowing the MAC to adjust to the network conditions.

Medium access control and hardware prototype designs for low-energy wireless sensor networks. D. thesis, Tampere University of Technology, Tampere, Finland (2009) 8. : Building underwater ad-hoc networks and sensor networks for large scale real-time aquatic applications. In: Proc. IEEE Military Communications Conference (MILCOM’05), vol. 3, pp. 1535–1541. Atlantic City, NJ, USA (2005) 9. : Energy-centric enabling technologies for wireless sensor networks. IEEE Wireless Communications 9(4), 28–39 (2002) 10.

St. Petersburg, Russia (2006) 11. : Energy scavenging for mobile and wireless electronics. Pervasive Computing, IEEE 4(1), 18–27 (2005). 9 26 3 Hardware Platforms and Components 12. : If the cap fits... New Electronics pp. 25–26 (2006) 13. : A study of energy consumption and reliability in a multi-hop sensor network. ACM SIGMOBILE Mobile Computing and Communications Review 8(1), 84–97 (2004) 14. : A study of low level vibrations as a power source for wireless sensor nodes. Computer Communications 26(11), 1131–1144 (2003) 15.

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Low-Power Wireless Sensor Networks: Protocols, Services and Applications by Jukka Suhonen

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