sforkowany z mirror/meshtastic-firmware
Update to radio-settings.md
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@ -37,12 +37,12 @@ Various data-rates are selectable when configuring a channel and are inversely p
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Considerations:
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Considerations:
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* Spreading Factor
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* Spreading Factor - How much we "spread" our data over time.
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* * Each step up in Spreading Factor dobules the airtime to transmit.
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* * Each step up in Spreading Factor dobules the airtime to transmit.
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* * Each step up in Spreading Factor adds about 2.5db extra link budget.
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* * Each step up in Spreading Factor adds about 2.5db extra link budget.
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* Bandwidth
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* Bandwidth - How big of a slice of the spectrum we use.
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* * Each doubling of the bandwidth is almost 3db less link budget.
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* * Each doubling of the bandwidth is almost 3db less link budget.
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* Coding Rate
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* Coding Rate - How much redundency we encode to resist noise.
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* * Increasing coding rate increases reliability while decrasing data-rate.
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* * Increasing coding rate increases reliability while decrasing data-rate.
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* * 4/5 - 1.25x overhead
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* * 4/5 - 1.25x overhead
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* * 4/6 - 1.5x overhead
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* * 4/6 - 1.5x overhead
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