Decentralized Estimation Under Communication Constraints (2009)
Abstract / truncated to 115 words
In this thesis, we consider the problem of decentralized estimation under communication constraints in the context of Collaborative Signal and Information Processing. Motivated by sensor network applications, a high volume of data collected at distinct locations and possibly in diverse modalities together with the spatially distributed nature and the resource limitations of the underlying system are of concern. Designing processing schemes which match the constraints imposed by the system while providing a reasonable accuracy has been a major challenge in which we are particularly interested in the tradeoff between the estimation performance and the utilization of communications subject to energy and bandwidth constraints. One remarkable approach for decentralized inference in sensor networks is to exploit ... toggle 8 keywordscollaborative signal and information processing – decentralized estimation – communication constrained inference – random fields – message passing algorithms – graphical models – sensing architectures – monte carlo methods
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