From b901f8d9ae3dec67ae0623ad106b20df245bdd14 Mon Sep 17 00:00:00 2001 From: Jm Casler Date: Wed, 3 Feb 2021 00:15:41 -0800 Subject: [PATCH] Update to radio-settings.md --- docs/radio-settings.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/docs/radio-settings.md b/docs/radio-settings.md index 4a3f615e0..e6b148cc1 100644 --- a/docs/radio-settings.md +++ b/docs/radio-settings.md @@ -37,12 +37,12 @@ Various data-rates are selectable when configuring a channel and are inversely p Considerations: -* Spreading Factor +* Spreading Factor - How much we "spread" our data over time. * * Each step up in Spreading Factor dobules the airtime to transmit. * * Each step up in Spreading Factor adds about 2.5db extra link budget. -* Bandwidth +* Bandwidth - How big of a slice of the spectrum we use. * * Each doubling of the bandwidth is almost 3db less link budget. -* Coding Rate +* Coding Rate - How much redundency we encode to resist noise. * * Increasing coding rate increases reliability while decrasing data-rate. * * 4/5 - 1.25x overhead * * 4/6 - 1.5x overhead