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White Paper: Comparing Operational And Cost Efficiencies Of STAR And Mesh Network Topologies For Battery-Powered AMR/AMI Systems
With the advent of wireless technology, various models of topographical network architecture have evolved. This paper will focus on wireless technologies that relate to radio frequency (RF)-based automatic meter reading, commonly known as AMR, and advanced metering infrastructure, or AMI.
In the AMR and AMI arenas, two leading infrastructure models have emerged. The first of these is the star (a.k.a. "umbrella," "single-hop," and "point-to-multipoint") network, where each endpoint transmits separately to a central hub at which data is collected, before being communicated on to the host. Another approach is the mesh (a.k.a. "peer-to-peer," "multi-hop," and "point-topoint") network, so called because its many endpoint/repeater nodes resemble the knots in a net. While each of these infrastructures has its own inherent design considerations, star systems are more preferable for AMR/AMI networks which use battery-powered endpoints. Key considerations will be further analyzed in this document.
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