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CONEXT
2005
ACM
13 years 9 months ago
Positioning mobile base station to prolong wireless sensor network lifetime
Energy efficiency is a critical issue in designing sensor networks, as the nodes have limited battery power. In this paper we propose to move the BS so as to prolong the network l...
Dorottya Vass, Attila Vidács
CISIS
2009
IEEE
13 years 5 months ago
Lifetime in Wireless Sensor Networks
The following paper deals with criterion used to measure communication protocol efficiency in Wireless Sensor Networks. As energy is a crucial characteristic of those networks, it...
Julien Champ, Clément Saad, Anne-Elisabeth ...
ICDE
2008
IEEE
100views Database» more  ICDE 2008»
14 years 9 months ago
Mobile Filter: Exploring Migration of Filters for Error-Bounded Data Collection in Sensor Networks
In wireless sensor networks, filters, which suppress data update reports within predefined error bounds, effectively reduce the traffic volume for continuous data collection. All p...
Dan Wang, Jianliang Xu, Jiangchuan Liu, Feng Wang
INFOCOM
2008
IEEE
14 years 2 months ago
On the Construction of a Maximum-Lifetime Data Gathering Tree in Sensor Networks: NP-Completeness and Approximation Algorithm
Abstract—Energy efficiency is critical for wireless sensor networks. The data gathering process must be carefully designed to conserve energy and extend the network lifetime. Fo...
Yan Wu, Sonia Fahmy, Ness B. Shroff
INFOCOM
2007
IEEE
14 years 2 months ago
Tradeoff Between Lifetime and Rate Allocation in Wireless Sensor Networks: A Cross Layer Approach
— This paper studies the tradeoff between energy consumption and application performance in wireless sensor networks by investigating the interaction between network lifetime max...
Junhua Zhu, Shan Chen, Brahim Bensaou, Ka-Lok Hung