40 search results - page 4 / 8 » A study of MAC schemes for wireless sensor networks powered ... |
ADHOCNOW
2008
Springer
13 years 8 months ago
2008
Springer
This paper presents a novel method for optimizing sliding window based continuous queries. We deal with two categories of aggregation operations: stepwise aggregation (e.g. COUNT) ...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
In contention-based sensor networks, nodes compete to access a shared channel for data transmission and collision is a common challenge. For power conservation, periodical active/s...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
We study state estimation via wireless sensor networks over fading channels affected by random packet loss. In the configuration examined, the sensors send their measurements to ...
BROADNETS
2005
IEEE
14 years 1 months ago
2005
IEEE
— Lightweight protocols that are both bandwidth and power thrifty are desirable for sensor networks. In addition, for many sensor network applications, timeliness of data deliver...
MOBICOM
2005
ACM
14 years 1 months ago
2005
ACM
Wireless sensor networks (WSNs) are typically characterized by a limited energy supply at sensor nodes. Hence, energy efficiency is an important issue in the system design and op...