Wireless mesh

Wireless mesh networks are composed of cooperating radio nodes organized in a mesh topology. Their applications stretch from the consumer access to the RMU backhaul.

Description

Wireless mesh

Schematic view

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    In general, wireless mesh networks are composed of cooperating radio nodes that are organized in a mesh topology. The link communication technology from one hop to another can be standardized (e.g., IEEE 802.11 series [WiFi] or IEEE 802.15.4 [LoWPAN, Low-rate Wireless Personal Area Network]) or proprietary (e.g., FHSS, OFDM technologies). The mesh protocols and corresponding forwarding algorithms are on the other hand still predominantly proprietary. Standardization efforts in this area (e.g., 6LoWPAN protocol suite / Zigbee-NAN) are currently still ongoing. Thanks to their mesh properties along with self-setup and self-healing mechanisms, mesh networks inherently offer ease of operation and redundancy for fixed applications. The system performance can be characterized by the hops’ throughput capacity, the average reach of a hop-to-hop link, and the max. number of hops on a single path. Detailed requirements as well as specific regional conditions must be carefully assessed in order to select the best-suited technology.




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