224 search results - page 39 / 45 » Detecting spatial congestion in multihop wireless networks |
RTSS
2003
IEEE
14 years 28 days ago
2003
IEEE
Preventing denial-of-service attacks in wireless sensor networks is difficult primarily because of the limited resources available to network nodes and the ease with which attacks...
GEOINFORMATICA
2011
13 years 2 months ago
2011
The research reported in this paper uses wireless sensor networks to provide salient information about spatially distributed dynamic fields, such as regional variations in tempera...
WIOPT
2010
IEEE
13 years 6 months ago
2010
IEEE
—Cognitive radio networks provide the capability to share the wireless channel with licensed (primary) users in an opportunistic manner. Primary users have a license to operate i...
NETWORK
2006
13 years 7 months ago
2006
Wireless sensor networks are built upon a shared medium that makes it easy for adversaries to conduct radio interference, or jamming, attacks that effectively cause a denial of se...
IWCMC
2009
ACM
14 years 2 months ago
2009
ACM
Multi-hop relaying will play a central role in next generation wireless systems. In this paper a novel relaying strategy that uses multiple-input multiple-output (MIMO) relays in ...