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» Data collection in sensor networks with data mules: An integ...
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ADHOC
2007
100views more  ADHOC 2007»
13 years 7 months ago
A GPS-less, outdoor, self-positioning method for wireless sensor networks
One challenging issue in sensor networks is to determine where a given sensor node is physically located. This problem is especially crucial for very small sensor nodes. This pape...
Hung-Chi Chu, Rong-Hong Jan
INFOCOM
2012
IEEE
11 years 10 months ago
On the construction of data aggregation tree with minimum energy cost in wireless sensor networks: NP-completeness and approxima
—In many applications, it is a basic operation for the sink to periodically collect reports from all sensors. Since the data gathering process usually proceeds for many rounds, i...
Tung-Wei Kuo, Ming-Jer Tsai
TPDS
2010
164views more  TPDS 2010»
13 years 2 months ago
Energy-Efficient Wake-Up Scheduling for Data Collection and Aggregation
The basic operation in such a network is the systematic gathering (with or without in-network aggregation) and transmitting of sensed data to a base station for further processing....
Yanwei Wu, Xiang-Yang Li, Yunhao Liu, Wei Lou
DEBS
2007
ACM
13 years 11 months ago
A system for semantic data fusion in sensor networks
Emerging sensor network technologies are expected to substantially augment applications such as environmental monitoring, health-care, and home/commercial automation. However, muc...
Alex Wun, Milenko Petrovic, Hans-Arno Jacobsen
WCNC
2008
IEEE
14 years 1 months ago
Integrated Source-Channel Decoding for Correlated Data-Gathering Sensor Networks
Abstract— This paper explores integrated source-channel decoding, driven by wireless sensor network applications where correlated information acquired by the network is gathered ...
Sheryl L. Howard, Paul G. Flikkema