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letter
. 2020 Oct 30;20(21):6212. doi: 10.3390/s20216212

Figure 2.

Figure 2

Figure 2

Illustrative example: (a) Initial layout; (b) Connection of an end device (ED) to the base station (BS); (c) grid construction over the entire floor plan; (d) routers list filtering; (e) best router proposal for a given ED; (f) connection of all EDs to routers; (g) connection of the first set of routers to a second set; (h) connection of the second set of routers to a third set; (i) final design; and (j) an alternative final design.