1774 search results - page 46 / 355 » Electrocardiogram on Wireless Sensor Nodes |
GLOBECOM
2007
IEEE
14 years 3 months ago
2007
IEEE
—Recharging the batteries of a moribund sensor deployed as part of a wireless sensor network is often infeasible due to logistical considerations. With the purpose of prolonging ...
INFOCOM
2002
IEEE
14 years 1 months ago
2002
IEEE
— A key challenge in ad-hoc, data-gathering wireless sensor networks is achieving a lifetime of several years using nodes that carry merely hundreds of joules of stored energy. I...
TMC
2008
13 years 8 months ago
2008
Energy efficiency is one of the major concerns in wireless sensor networks, since it impacts the network lifetime. In this paper, we investigate the relationship between sensor net...
ESORICS
2004
Springer
14 years 2 months ago
2004
Springer
Key distribution is one of the most challenging security issues in wireless sensor networks where sensor nodes are randomly scattered over a hostile territory. In such a sensor dep...
INFOCOM
2012
IEEE
11 years 11 months ago
2012
IEEE
—In many applications, it is a basic operation for the sink to periodically collect reports from all sensors. Since the data gathering process usually proceeds for many rounds, i...