Signal Stratification in Berlin’s Apartment Blocks: Mesh Networking Across Generational Infrastructure Layers

柏林公寓楼内的信号分层：跨代际基础设施之上的网状组网

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Berlin’s pre-war Altbau buildings present unique RF challenges due to thick plaster walls, embedded steel lattices, and inconsistent electrical grounding across decades of renovation.
Residents increasingly deploy mesh routers not for speed alone but to create horizontal signal pathways that bypass vertical dead zones inherent in old stairwell wiring.

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