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Quickest detection of an abrupt distribution change with an unknown time varying parameter is considered. A novel adaptive approach is proposed to tackle this problem, which is shown to outperform the celebrated parallel CUSUM test. Performance is evaluated through theoretical analysis and numerical simulations.
Distributed resource allocation is an important problem in wireless ad hoc networks, in which there is no centralized scheduler and the resource allocation is carried out in a distributed way. Information exchange in the distributed resource allocation incurs overhead since it does not convey data information. The communication complexity, defined as the minimum number of exchanged messages needed...
Distributed computing in an N-node noisy broadcast network is considered. Each node holds an n-bit integer as an input instead of a binary input assumed by most work in literature. The goal is for all the nodes to find out the K largest values with fault tolerance Q. We focus on protocol designs for the K = o(Nbeta) scenario, and investigate the communication complexity, i.e., the total number of...
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