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Academic Press Library in Signal Processing by Rama Chellappa, Sergios Theodoridis

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Figure 7.12 Per node parameter estimation versus the iteration index m for spatially correlated observations using the ADMM approach.

2.07.4.2 Decentralized observations with centralized estimation

In many cases, the observations are gathered in distributed form, through sensors deployed over a certain area, but the decision (either estimation or detection) is carried out in a central fusion center. In this section, we review some of the problems related to distributed estimation, with centralized decision. In such a case, the measurements gathered by the sensors are sent to a fusion center through rate-constrained physical channels. The ...

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