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CCGRID
2011
IEEE
13 years 26 days ago
2011
IEEE
—Urban sensing where mobile users continuously gather, process, and share location-sensitive sensor data (e.g., street images, road condition, traffic flow) is emerging as a ne...
COMCOM
2006
13 years 9 months ago
2006
In this paper, we study the problem of constructing an energy efficient data aggregation tree for data gathering in wireless sensor networks. We consider a real-time scenario wher...
JPDC
2006
13 years 9 months ago
2006
In wireless sensor networks (WSNs), sensors' locations play a critical role in many applications. Having a GPS receiver on every sensor node is costly. In the past, a number ...
ICASSP
2011
IEEE
13 years 23 days ago
2011
IEEE
Recently, the maximum likelihood estimator (MLE) and Cramer-Rao Lower Bound (CRLB) were proposed with the goal of maximizing and assessing the synchronization accuracy in wireless...
VTC
2006
IEEE
14 years 3 months ago
2006
IEEE
Abstract— This paper proposes and evaluates a new aggregation algorithm in wireless sensor networks with time constraint. In the proposed algorithm, each aggregation node control...