11927 search results - page 116 / 2386 » Wireless Sensor Networks |
COCOON
2005
Springer
14 years 2 months ago
2005
Springer
The paper addresses the relay node placement problem in two-tiered wireless sensor networks. Given a set of sensor nodes in an Euclidean plane, our objective is to place minimum nu...
INFOCOM
2010
IEEE
13 years 7 months ago
2010
IEEE
— Self-monitoring the sensor statuses such as liveness, node density and residue energy is critical for maintaining the normal operation of the sensor network. When building the ...
WWIC
2007
Springer
14 years 3 months ago
2007
Springer
Providing security services for wireless sensor networks plays a vital role in secure network operation especially when sensor networks are deployed in hostile areas. In order to p...
HUC
2010
Springer
13 years 10 months ago
2010
Springer
Opportunistic activity and context recognition systems do not presume a static sensor infrastructure that is defined at the design time of a system. They also do not have a fixed ...
EUC
2008
Springer
13 years 11 months ago
2008
Springer
Data gathering is a common but critical operation in many applications of wireless sensor networks. The innovative techniques that improve energy efficiency to prolong the network ...