11927 search results - page 368 / 2386 » Wireless Sensor Networks |
170
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MOBIHOC
2002
ACM
16 years 6 months ago
2002
ACM
In wireless sensor networks, energy efficiency is crucial to achieve satisfactory network lifetime. In order to reduce the energy consumption of a node significantly, its radio ne...
194
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ICNP
2009
IEEE
16 years 1 months ago
2009
IEEE
—Wormhole attack is a severe threat to wireless ad hoc and sensor networks. Most existing countermeasures either require specialized hardware devices or make strong assumptions o...
193
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
In contention-based sensor networks, nodes compete to access a shared channel for data transmission and collision is a common challenge. For power conservation, periodical active/s...
210
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COMCOM
2010
15 years 6 months ago
2010
For data-collection applications in sensor networks, it is important to ensure base station receives a complete picture about the monitored area. Convergecast is an important commu...
228
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ICNP
2009
IEEE
15 years 4 months ago
2009
IEEE
Sensor networks deployed in hostile areas are subject to node replication attacks, in which an adversary compromises a few sensors, extracts the security keys, and clones them in a...