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Distributed network structure estimation using consensus methods
1 online resource (xi, 76 pages) : illustrations (chiefly color)
The area of detection and estimation in a distributed wireless sensor network (WSN) has several applications, including military surveillance, sustainability, health monitoring, and Internet of Things (IoT). Compared with a wired centralized sensor network, a distributed WSN has many advantages including scalability and robustness to sensor node failures. In this book, we address the problem of estimating the structure of distributed WSNs. First, we provide a literature review in: (a) graph theory; (b) network area estimation; and (c) existing consensus algorithms, including average consensus and max consensus. Second, a distributed algorithm for counting the total number of nodes in a wireless sensor network with noisy communication channels is introduced. Then, a distributed network degree distribution estimation (DNDD) algorithm is described. The DNDD algorithm is based on average consensus and in-network empirical mass function estimation. Finally, a fully distributed algorithm for estimating the center and the coverage region of a wireless sensor network is described. The algorithms introduced are appropriate for most connected distributed networks. The performance of the algorithms is analyzed theoretically, and simulations are performed and presented to validate the theoretical results. In this book, we also describe how the introduced algorithms can be used to learn global data information and the global data region.
1. Introduction -- 1.1. Wireless sensor networks -- 1.2. Applications -- 1.3. Consensus methods in distributed WSNs -- 1.4. Network structure estimation -- 1.5. Organization of the book
2. Review of consensus and network structure estimation -- 2.1. Graph representation of distributed WSNs -- 2.2. Review of consensus algorithms -- 2.3. Review of network structure estimation
3. Distributed node counting in WSNs -- 3.1. System model -- 3.2. Distributed node counting based on L2 norm estimation -- 3.3. Performance analysis -- 3.4. Simulation results
4. Noncentralized estimation of degree distribution -- 4.1. System model -- 4.2. Consensus-based degree distribution estimation -- 4.3. Estimation of degree matrix -- 4.4. Performance analysis -- 4.5. Simulations
5. Network center and coverage region estimation -- 5.1. System model -- 5.2. Estimation of network center and radius -- 5.3. Performance analysis -- 5.4. Simulations -- 5.5. Discussion : global data structure estimation -- 6. Conclusions -- A. Notation.
Sai Zhang, Cihan Tepedelenlioglu, Andreas Spanias, Mahesh Banavar.
Part of: Synthesis digital library of engineering and computer science.
Abstract freely available; full-text restricted to subscribers or individual document purchasers.
System requirements: Adobe Acrobat Reader.
Includes bibliographical references (pages 59-74).
Synthesis digital library of engineering and computer science
Synthesis lectures on communications ; #13