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9612 Spatial reuse of wireless medium in multi-hop wireless sensor networks
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Geerlings, Joël and van Hoesel, L.F.W. and Hoeksema, F.W. and Slump, C.H. and Havinga, P.J.M. (2007) Spatial reuse of wireless medium in multi-hop wireless sensor networks. (Invited) In: Proceedings of SPS-DARTS 2007 the third annual IEEE Benelux/DSP Valley Signal Processing Symposium, 21-22 Mar 2007, Antwerp, Belgium. pp. 221-229. IEEE Benelux Signal Processing Chapter. ISBN not assigned

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Abstract

The idea of multi-hop communication originates from the 1990’s and is eagerly incorporated in the wireless sensor network research field, since a tremendous amount of energy can be saved by letting —often battery powered– nodes in the network assist each other in forwarding packets. In such systems it is key-issue that the wireless medium is spatially reused. The lightweight mediumaccess control (LMAC) protocol relies for spatialmedium reuse on the following assumption [1]: a receiving node can distinguish
whether an erroneous packet is caused by an (concurrent)
interfering transmissions or due to e.g. noise.
In this paper this assumption is verified by path loss and interference measurements. Both outdoor (pasture land) and indoor (corridor) measurements were conducted.
From the results it can be concluded that there is a sharp defined communication range. And that packet errors within this range can be attributed to interferers that are within interference range.

Item Type:Conference or Workshop Paper (Full Paper, Invited/Keynote Talk)
Research Group:EWI-SAS: Signals and Systems, EWI-CAES: Computer Architecture for Embedded Systems
Research Program:CTIT-WiSe: Wireless and Sensor Systems
Research Project:Freeband/AAF: Data communications in emergency situations through Cognitive Radio
ID Code:9612
Status:Published
Deposited On:21 September 2007
Refereed:No
International:No
More Information:statisticsmetis

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