DocumentCode :
3170043
Title :
The Relay Area Problem in Wireless Sensor Networks
Author :
Kleerekoper, Anthony ; Filer, Nick
Author_Institution :
Sch. of Comput. Sci., Univ. of Manchester, Manchester, UK
fYear :
2012
fDate :
July 30 2012-Aug. 2 2012
Firstpage :
1
Lastpage :
5
Abstract :
Wireless sensor networks often combine many-to-one traffic flows with multi-hop communication. This leaves them vulnerable to routing holes where empty spaces or voids inside the network area cause problems with routing. Large voids prevent traffic flowing through them and require nodes to calculate routes around the holes. In this paper, we discuss what we call the relay area problem. This is when small empty spaces in the network cause routes to become less direct which increases latency and reduces energy efficiency. Our analysis shows that it is extremely difficult to prevent these small holes existing inside the network. However, they significantly impact the network´s performance. We show that, even in dense networks, nearly 20% of the nodes have the relay area problem which increases the latency of any packet passing through them. Latency can be increased by almost 15% as a result of the problem.
Keywords :
energy conservation; telecommunication network routing; telecommunication traffic; wireless sensor networks; energy efficiency; many-to-one traffic flows; multihop communication; packet passing; relay area problem; routing holes; wireless sensor networks; Analytical models; Equations; Mathematical model; Relays; Routing; Spread spectrum communication; Wireless sensor networks;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Computer Communications and Networks (ICCCN), 2012 21st International Conference on
Conference_Location :
Munich
Print_ISBN :
978-1-4673-1543-2
Type :
conf
DOI :
10.1109/ICCCN.2012.6289205
Filename :
6289205
Link To Document :
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