1077 search results - page 50 / 216 » Multi-query Optimization for Sensor Networks |
VTC
2007
IEEE
14 years 3 months ago
2007
IEEE
—In this paper, we propose a low-complexity scheme for minimizing energy consumption in a clustered multirate CDMA sensor network with multiple receive antennas by jointly contro...
WIOPT
2006
IEEE
14 years 3 months ago
2006
IEEE
We consider the problem of optimizing the number of replicas for event information in wireless sensor networks, when queries are disseminated using expanding rings. We obtain clos...
JCM
2008
13 years 9 months ago
2008
Survivability is one of the critical issues and the most important research topics in the fields of wireless sensor networks (WSNs). Energy efficiency is one of the determining fac...
MOBIHOC
2005
ACM
14 years 8 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...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
We study the energy consumption of individual links in wireless sensor networks (WSN). Three widely used digital modulation schemes, i.e. MQAM, MPSK, and MFSK, are analyzed and com...