Description
TL;DR: A mathematical consensus model showing when sensor nodes can converge despite multipath fading, intersymbol interference, bounded delays, and changing network links.
About This Document
Gesualdo Scutari and Sergio Barbarossa study distributed agreement over realistic wireless channels rather than ideal message links. They model frequency-selective fading and bounded communication delay, then derive topology and channel conditions that support exponential convergence. The paper treats local sensing and signal exchange, with consensus as convergence on shared values across the network.
Why Bitcoin People May Care
This predates Bitcoin and is not blockchain consensus. Its nodes are cooperating sensors affected by physical-channel impairments, not permissionless miners resolving adversarial transaction history. The value is comparative: it shows how network topology, delay, and channel behavior shape agreement even before economic incentives enter the picture. The mathematical guarantees apply to the authors' stated model.
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Document Details
- Title: Distributed Consensus over Wireless Sensor Networks with Multipath Fading
- Author / organization: Gesualdo Scutari and Sergio Barbarossa
- Year: 2008
- Language: English
- Document type: Wireless distributed-systems research paper
- Pages: 14
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