152 search results - page 20 / 31 » Optimal Power Scheduling for Data Fusion in Inhomogeneous Wi... |
TMC
2008
13 years 7 months ago
2008
In multihop wireless sensor networks that are often characterized by many-to-one (convergecast) traffic patterns, problems related to energy imbalance among sensors often appear. S...
IPSN
2007
Springer
14 years 1 months ago
2007
Springer
The key application scenario of wireless sensor networks is data gathering: sensor nodes transmit data, possibly in a multi-hop fashion, to an information sink. The performance of...
SECON
2007
IEEE
2007
IEEE
Experimental Investigation of IEEE 802.15.4 Transmission Power Control and Interference Minimization
14 years 2 months ago
Abstract—Although the characteristics of RF transmissions are physically well understood at the lowest levels of communication design, accurately incorporating power and interfer...
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) ...
INFOCOM
2007
IEEE
14 years 2 months ago
2007
IEEE
—Duty-cycle MAC protocols have been proposed to meet the demanding energy requirements of wireless sensor networks. Although existing duty-cycle MAC protocols such as S-MAC are p...