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Optimal Policies for Distributed Data Aggregation in Wireless Sensor Networks
 

Summary: Optimal Policies for Distributed Data Aggregation
in Wireless Sensor Networks
Zhenzhen Ye, Alhussein A. Abouzeid and Jing Ai
Department of Electrical, Computer and Systems Engineering
Rensselaer Polytechnic Institute
Troy, NY 12180-3590, USA
Email: {yez2, aij}@rpi.edu, abouzeid@ecse.rpi.edu
Abstract-- We consider the scenario of distributed data ag-
gregation in wireless sensor networks, where each sensor can
obtain and estimate the information of the whole sensing field
through local data exchange and aggregation. The intrinsic
trade-off between energy and delay in aggregation operations
imposes a crucial question on nodes to decide optimal instants
for forwarding their samples. The samples could be composed of
the information from their own sensor readings or an aggregation
of information with other samples forwarded from neighboring
nodes. By considering the randomness of the sample arrival
instants and the uncertainty of the availability of the multi-
access communication channel due to the asynchronous nature
of information exchange among neighboring nodes, we propose

  

Source: Abouzeid, Alhussein A. - Department of Electrical, Computer and Systems Engineering, Rensselaer Polytechnic Institute

 

Collections: Engineering; Computer Technologies and Information Sciences