1866 search results - page 24 / 374 » Ecoinformatics using wireless sensor networks: An overview |
OPODIS
2004
13 years 8 months ago
2004
A sensor is a battery-operated small computer with an antenna and a sensing board that can sense magnetism, sound, heat, etc. Sensors in a network can use their antennas to communi...
NORDSEC
2009
Springer
13 years 12 months ago
2009
Springer
In this paper we introduce ContikiSec, a secure network layer for wireless sensor networks, designed for the Contiki Operating System. ContikiSec has a configurable design, providi...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
Wireless sensor networks have been widely used in many surveillance applications. Due to the importance of sensor nodes in such applications, certain level of protection needs to b...
GLOBECOM
2010
IEEE
13 years 5 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...
JUCS
2010
13 years 2 months ago
2010
: The use of multimedia sensor nodes can significantly enhance the capability of wireless sensor networks (WSNs) for event description. In a number of scenarios, e.g., an erupting ...