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Capacity limitations in wireless sensor networks
Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE).
Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE).
Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE).ORCID-id: 0000-0001-6625-6533
Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE).
2003 (engelsk)Inngår i: ETFA 2003: 2003 IEEE Conference on Emerging Technologies and Factory Automation, September 16-19, 2003, Lisbon, Portugal : proceedings, Piscataway, N.J.: IEEE , 2003, s. 529-536, artikkel-id 1247752Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

It is expected that wireless sensor network will be used in home automation and industrial manufacturing in the future. The main driving forces for wireless sensor networks are fault tolerance, energy gain and spatial capacity gain. Unfortunately, an often forgotten issue is the capacity limits that the network topology of a wireless sensor network represents. In this paper we identify gains, losses and limitations in a wireless sensor network, using a simplified theoretical network model. Especially, we want to point out the stringent capacity limitations that this simplified network model provide. Where a comparison between the locality of the performed information exchange and the average capacity available for each node is the main contribution.

sted, utgiver, år, opplag, sider
Piscataway, N.J.: IEEE , 2003. s. 529-536, artikkel-id 1247752
Emneord [en]
Channel capacity, Fault tolerance, Network topology, Wireless sensor networks
HSV kategori
Identifikatorer
URN: urn:nbn:se:hh:diva-397DOI: 10.1109/ETFA.2003.1247752ISI: 000189406100072Scopus ID: 2-s2.0-84938692441Lokal ID: 2082/721ISBN: 0-7803-7937-3 (tryckt)OAI: oai:DiVA.org:hh-397DiVA, id: diva2:237576
Konferanse
IEEE Conference on Emerging Technologies and Factory Automation, September 16-19, 2003, Lisbon, Portugal
Merknad

©2003 IEEE. 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 to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

Tilgjengelig fra: 2007-01-12 Laget: 2007-01-12 Sist oppdatert: 2018-03-23bibliografisk kontrollert
Inngår i avhandling
1. Design Space Exploration of Wireless Multihop Networks
Åpne denne publikasjonen i ny fane eller vindu >>Design Space Exploration of Wireless Multihop Networks
2005 (engelsk)Licentiatavhandling, med artikler (Annet vitenskapelig)
Abstract [en]

This thesis explores the feasible design space of wireless multihop networks and identifies fundamental design parameters. In the process of exploring it is important to ignore all details and instead take a holistic view. This means that all protocol details are overseen, all details of radio wave propagation models are overseen and the system is modelled strictly on an architectural level. From a theoretical information perspective, there is a limit to the capacity that a certain bandwidth and a certain signal-to-noise ratio at the receiver can provide. This limit is approximated as a volume in the time-frequency-space domain. A single transmission is represented as an occupied volume in this domain. A wireless multihop network covers a spatial area, and the question is how multiple numbers of transmission volumes can be fit into a given limited spatial area. This volume fitting should be done in order to maximize the overall performance or to trade available resources to favour a specific characteristic in the wireless multihop network. The volume model is used for the design space exploration of a wireless multihop network. It is argued that the fault tolerance and the energy gain achieved in a multihop topology are its strength as compared to a single-hop architecture. It is further shown that the energy gain is achieved at the expense of delay and a greater end-to-end error probability. This indicates that these parameters must be very carefully balanced in order to gain in the global overall performance perspective. It can further be concluded that the overall spatial capacity is increased as a result of the spatial channel reuse in a multihop topology. On the other hand, it is also shown that the multihop topology introduces a rather stringent geometrical capacity limitation when the number of nodes of a wireless multihop network is increased. The dynamics (e.g. node mobility, changing radio channels etc.) of a large scale wireless multihop network is also a limiting factor. The nodes’ mobility creates a knowledge horizon beyond which very little can be known about the present network topology.

sted, utgiver, år, opplag, sider
Göteborg: Chalmers tekniska högskola, 2005. s. 46
Serie
Technical report L, ISSN 1652-876X ; 6
Emneord
Wireless multihop networks, wireless sensor networks, Ad hoc networks, Design space, Wireless embedded networks, Packet radio networks
HSV kategori
Identifikatorer
urn:nbn:se:hh:diva-379 (URN)2082/703 (Lokal ID)2082/703 (Arkivnummer)2082/703 (OAI)
Presentation
2005-06-07, Wigforssalen, Kristian IV:s väg, Halmstad, 13:44 (engelsk)
Veileder
Tilgjengelig fra: 2007-01-11 Laget: 2007-01-11 Sist oppdatert: 2018-03-23bibliografisk kontrollert

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