929 search results - page 134 / 186 » TinySA: a security architecture for wireless sensor networks |
MOBIHOC
2005
ACM
14 years 7 months ago
2005
ACM
We consider a wireless sensor network in which sensors are grouped into clusters, each with its own cluster head (CH). Each CH collects data from sensors in its cluster and relays...
MOBIHOC
2008
ACM
14 years 7 months ago
2008
ACM
Recent research shows that significant energy saving can be achieved in wireless sensor networks with a mobile base station that collects data from sensor nodes via short-range co...
MOBISYS
2004
ACM
14 years 7 months ago
2004
ACM
In this paper, we investigate the impact of radio irregularity on the communication performance in wireless sensor networks. Radio irregularity is a common phenomenon which arises...
IPSN
2004
Springer
14 years 1 months ago
2004
Springer
The efficacy of data aggregation in sensor networks is a function of the degree of spatial correlation in the sensed phenomenon. While several data aggregation (i.e., routing with...
SENSYS
2006
ACM
14 years 1 months ago
2006
ACM
Extensive empirical studies presented in this paper confirm that the quality of radio communication between low power sensor devices varies significantly with time and environme...