1343 search results - page 81 / 269 » Coverage by directional sensors |
BSN
2006
IEEE
14 years 3 months ago
2006
IEEE
For small, inexpensive, ubiquitous wireless sensors to be realized, all constituents of the device, including the power source, must be directly integratable. For long term applic...
VTC
2007
IEEE
14 years 3 months ago
2007
IEEE
— Heterogeneous wireless sensor networks are made up of different kinds of nodes. Some nodes, the sensors, are used as an interface to the physical environment. Other nodes act i...
DMSN
2006
ACM
14 years 3 months ago
2006
ACM
This paper presents a novel research direction in the field of sensor data management. It concerns transactional support in heterogeneous large scale sensor systems. Besides well...
GLOBECOM
2007
IEEE
14 years 1 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...
SAC
2010
ACM
14 years 4 months ago
2010
ACM
In GIS and spatial databases, cardinal directions are frequently used as selection and join criteria in query languages. However, most cardinal direction models are only able to h...