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JPDC
2010
128views more  JPDC 2010»
14 years 8 months ago
Adaptive holistic scheduling for query processing in sensor networks
We observe two deficiencies of current query processing and scheduling techniques for sensor networks: (1) A query execution plan does not adapt to the hardware characteristics o...
Hejun Wu, Qiong Luo
CN
2006
85views more  CN 2006»
14 years 10 months ago
An efficient heuristic for selecting active nodes in wireless sensor networks
Energy saving is a paramount concern in wireless sensor networks (WSNs). A strategy for energy saving is to cleverly manage the duty cycle of sensors, by dynamically activating di...
Flávia Coimbra Delicato, Fábio Prott...
SIAMJO
2008
66views more  SIAMJO 2008»
14 years 9 months ago
Further Relaxations of the Semidefinite Programming Approach to Sensor Network Localization
Recently, a semidefinite programming (SDP) relaxation approach has been proposed to solve the sensor network localization problem. Although it achieves high accuracy in estimating ...
Zizhuo Wang, Song Zheng, Yinyu Ye, Stephen Boyd
ICC
2007
IEEE
168views Communications» more  ICC 2007»
15 years 4 months ago
Energy and QoS Aware Packet Forwarding in Wireless Sensor Networks
— We consider energy efficient packet forwarding with quality-of-service (QoS) guarantee for wireless sensor networks (WSNs). In most existing wireless network protocols, route ...
Rong Yu, Yan Zhang, Zhi Sun, Shunliang Mei
TPDS
2008
136views more  TPDS 2008»
14 years 9 months ago
Data Gathering with Tunable Compression in Sensor Networks
We study the problem of constructing a data gathering tree over a wireless sensor network in order to minimize the total energy for compressing and transporting information from a ...
Yang Yu, Bhaskar Krishnamachari, Viktor K. Prasann...