Roman Naumann

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As smart factory trends gain momentum, there is a growing need for robust information transmission protocols that make available sensor information gathered by individual machines and enable their algorithmic exploitation. Wireless transmission enables often-called-for flexibility, yet it poses challenges for reliable and timely transmission of information.(More)
Wireless mesh networks (WMN) are a lowcost technology that can be easily deployed in factories without costly production breaks. This makes them an excellent networking technology for M2M applications, but so far, their penetration in industries was marginal. Our interviews with M2M and WMN users in manufacturing industry attribute this adoption failure to(More)
Random linear network coding simplifies routing decisions, improves throughput, and increases tolerance against packet loss. A substantial limitation, however, is delay: decoding requires as many independent linear combinations as data blocks. Hierarchical network coding purportedly solves this delay problem. It introduces layers to decode prioritized data(More)
The trend towards smart factories necessitates protocols for wireless transmission of production process information. Protocols must transfer process information timely even with temporary wireless interference on the factory floor and regardless of machines' location in the network topology. TANDEM is a topology-independent wireless multi-hop network(More)
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