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INFOCOM
2012
IEEE
11 years 7 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
ICC
2008
IEEE
135views Communications» more  ICC 2008»
13 years 11 months ago
Using Soft-Line Recursive Response to Improve Query Aggregation in Wireless Sensor Networks
— In large Wireless Sensor Networks (WSNs), each hop might incur varying delays due to medium access contention, transmission and computation delays. Fast and efficient query re...
Xiaoming Lu, Matt Spear, Karl N. Levitt, Norman S....
VLDB
2004
ACM
152views Database» more  VLDB 2004»
14 years 5 months ago
Balancing energy efficiency and quality of aggregate data in sensor networks
In-network aggregation has been proposed as one method for reducing energy consumption in sensor networks. In this paper, we explore two ideas related to further reducing energy co...
Mohamed A. Sharaf, Jonathan Beaver, Alexandros Lab...
INFOCOM
2010
IEEE
13 years 3 months ago
Delay Performance of Scheduling with Data Aggregation in Wireless Sensor Networks
—In-network aggregation has become a promising technique for improving the energy efficiency of wireless sensor networks. Aggregating data at various nodes in the network result...
Changhee Joo, Jin-Ghoo Choi, Ness B. Shroff
AICCSA
2005
IEEE
164views Hardware» more  AICCSA 2005»
13 years 11 months ago
Efficient aggregation of delay-constrained data in wireless sensor networks
Recent years have witnessed a growing interest in the application of wireless sensor networks in unattended environments. Nodes in such applications are equipped with limited ener...
Kemal Akkaya, Mohamed F. Younis, Moustafa Youssef