138 search results - page 6 / 28 » Ensuring Area Coverage in Hybrid Wireless Sensor Networks |
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
—Focused coverage is defined as the coverage of a wireless sensor network surrounding a point of interest (POI), and is measured by coverage radius, i.e., minimum distance from ...
MSN
2005
Springer
14 years 1 months ago
2005
Springer
The coverage problem in wireless sensor networks (WSNs) is to determine the number of active sensor nodes needed to cover the sensing area. The purpose is to extend the lifetime of...
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...
PERCOM
2009
ACM
14 years 2 months ago
2009
ACM
—One of the major issues in a wireless sensor network (WSN) is how to cover an interested area. In this paper, we consider the area coverage problem for variable sensing radii WS...
PERCOM
2005
ACM
14 years 7 months ago
2005
ACM
This paper considers the problem of maintaining the coverage degree of a wireless sensor network at an application specific level while keeping the sensing units of only a subset o...