99 search results - page 13 / 20 » A wireless sensor network for border surveillance |
COMCOM
2007
13 years 7 months ago
2007
Energy is the most crucial but scarce resource in wireless sensor networks (WSNs). A wealth of MAC protocols are proposed only to prolong the network lifetime for energy-efficienc...
PERCOM
2008
ACM
14 years 7 months ago
2008
ACM
Wireless sensor networks are commonly used to monitor and control the physical world. To provide a meaningful service such as disaster and emergency surveillance, meeting real-tim...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—The IEEE 802.15.4 standard has no provisions for rate sensitive applications because of its ability to operate in pure CSMA/CA or TDMA modes. Some operating scenarios for rate-s...
CCCG
2010
13 years 5 months ago
2010
Various notions of coverage provided by wireless sensor networks have attracted considerable attention over the past few years. In general, coverage can be expressed geometrically...
PERCOM
2010
ACM
13 years 9 months ago
2010
ACM
This paper addresses the problem of engineering energy-efficient target detection applications using unattended Wireless Sensor Networks (WSNs) for long-lasting surveillance of are...