Introduction to Simulating radio propagation models and COOJA ARM. One radio…. REFRACTION. REFLECTION. DIFFRACTION. … receiving a radio signal Typically 4 different categories Problem: What happens to the radio signal? (And how is sound quality affected?). SCATTERING.
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“... is a term used to explain how radio waves behave when they are transmitted, or are propagated from one point on the Earth to another.”
“... characterization of radio wave propagation as a function of frequency, distance and other conditions.”
Transmitted vs. received power
Default valueMay be radio specific
Frequency: ~900 MHzFormula Viewer
FSPL mentioned earlier
Fixed “penalty” constants
FUTURE:Should be replaced by angle dependent formulas
Maximum values used by ray tracer
May become very time-consuming =)Formula Viewer
Property of obstacle type(wood, glass, metal)Formula Viewer
Received signal strength vs. Probability of reception