703 search results - page 30 / 141 » Energy Efficient Query Processing in Wireless Sensor Network |
ISPAN
2009
IEEE
14 years 2 months ago
2009
IEEE
— Since WSNs have restricted energy sources, the energy efficiency of a synchronization scheme is as important as the accuracy of a clock. To accomplish both the energy efficienc...
GLOBECOM
2010
IEEE
13 years 6 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...
BROADNETS
2006
IEEE
14 years 2 months ago
2006
IEEE
Existing slotted channel access schemes in wireless networks assume that slot boundaries at all nodes are synchronized. In practice, relative clock drifts among nodes cause slot mi...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
This paper presents the first analysis on the energy efficiency of LT codes with Non-Coherent M-ary Frequency Shift Keying (NCMFSK), known as green modulation [1], in a proactive W...
PERCOM
2007
ACM
14 years 7 months ago
2007
ACM
In order to disseminate a large amount of data through a sensor network, it is common to split the data into smallsized chunk packets. If the data is additionally encoded by a for...