Cooperative Network Synchronization: Asymptotic Analysis

Yifeng Xiong; Nan Wu; Yuan Shen; Moe Z. Win

doi:10.1109/TSP.2017.2759098

Cooperative Network Synchronization: Asymptotic Analysis

Yifeng Xiong, Nan Wu^*, Yuan Shen, Moe Z. Win

^*Corresponding author for this work

School of Integrated Circuits and Electronics

Research output: Contribution to journal › Article › peer-review

100 Citations (Scopus)

Abstract

Accurate clock synchronization is required for collaborative operations among nodes across wireless networks. Compared with traditional layer-by-layer methods, cooperative network synchronization techniques lead to significant improvement in performance, efficiency, and robustness. This paper develops a framework for the performance analysis of cooperative network synchronization. We introduce the concepts of cooperative dilution intensity (CDI) and relative CDI to characterize the interaction between agents, which can be interpreted as properties of a random walk over the network. Our approach enables us to derive closed-form asymptotic expressions of performance limits, relating them to the quality of observations as well as the network topology.

Original language	English
Article number	8055646
Pages (from-to)	757-772
Number of pages	16
Journal	IEEE Transactions on Signal Processing
Volume	66
Issue number	3
DOIs	https://doi.org/10.1109/TSP.2017.2759098
Publication status	Published - 1 Feb 2018

Keywords

Cooperative network synchronization
Cramér-Rao bound (CRB)
cooperative dilution intensity (CDI)
random walk
relative CDI

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10.1109/TSP.2017.2759098

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abstract = "Accurate clock synchronization is required for collaborative operations among nodes across wireless networks. Compared with traditional layer-by-layer methods, cooperative network synchronization techniques lead to significant improvement in performance, efficiency, and robustness. This paper develops a framework for the performance analysis of cooperative network synchronization. We introduce the concepts of cooperative dilution intensity (CDI) and relative CDI to characterize the interaction between agents, which can be interpreted as properties of a random walk over the network. Our approach enables us to derive closed-form asymptotic expressions of performance limits, relating them to the quality of observations as well as the network topology.",

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AU - Wu, Nan

AU - Shen, Yuan

AU - Win, Moe Z.

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AB - Accurate clock synchronization is required for collaborative operations among nodes across wireless networks. Compared with traditional layer-by-layer methods, cooperative network synchronization techniques lead to significant improvement in performance, efficiency, and robustness. This paper develops a framework for the performance analysis of cooperative network synchronization. We introduce the concepts of cooperative dilution intensity (CDI) and relative CDI to characterize the interaction between agents, which can be interpreted as properties of a random walk over the network. Our approach enables us to derive closed-form asymptotic expressions of performance limits, relating them to the quality of observations as well as the network topology.

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Cooperative Network Synchronization: Asymptotic Analysis

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