492 search results - page 28 / 99 » Accurate anchor-free node localization in wireless sensor ne... |
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Duty cycling is often used to reduce the energy consumption caused by idle listening in Wireless Sensor Networks (WSNs). Most studies on WSN protocols define a common duty cycle va...
INTERSENSE
2006
ACM
14 years 1 months ago
2006
ACM
— In this paper, we consider the sensor replacement problem in hybrid wireless sensor networks composed of mobile and static sensors. Mobility equipped mobile sensors are utilize...
ICPPW
2007
IEEE
14 years 1 months ago
2007
IEEE
Obtaining location information by localization schemes for sensor nodes makes applications of wireless sensor networks (WSNs) more meaningful. Most of localization schemes only us...
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
When asymmetric cryptography techniques are used in wireless networks, the public keys of the nodes need to be widely available and signed by a Certificate Authority (CA). However,...
SECON
2007
IEEE
14 years 1 months ago
2007
IEEE
— In wireless sensor networks, it is desirable to maintain good sensing coverage while keeping the number of active sensor nodes small to achieve long system lifetime. Existing c...