From 6fe9fdbe2bcd34badd11d8cfeba8241b2f05fc86 Mon Sep 17 00:00:00 2001 From: Thomas Kolb Date: Wed, 1 May 2024 10:40:51 +0200 Subject: [PATCH] doc: minor clarifications --- doc/hamnet70.adoc | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/doc/hamnet70.adoc b/doc/hamnet70.adoc index 61fd2e1..804531c 100644 --- a/doc/hamnet70.adoc +++ b/doc/hamnet70.adoc @@ -47,16 +47,16 @@ The PHY header describes how the following data symbols should be interpreted. I Therefore the PHY header has as size of 40 bit, including CRC. -For additional protection, the header in encoded using a [8,4] Hamming code, which can reliably correct single-bit errors and detect double-bit errors in every block of four bits. +For additional protection, the header is encoded using a [8,4] Hamming code, which can reliably correct single-bit errors and detect double-bit errors in every block of four bits. -The encoded data is always modulated using QPSK. +The PHY header is always modulated using QPSK. ===== Modulation/code combinations -The following table lists all supported combinations of modulation and forward error correction. +The following table lists all supported combinations of modulation and forward error correction for the packet data. [options="header"] -.Supported modulation/code combinations +.Supported packet data modulation/code combinations (MODCODs) |=== | ID (binary) | Modulation | Channel Code @@ -91,7 +91,7 @@ The first data symbol follows directly after the last symbol of the PHY header. === Burst Transmission -Burst transmission allows the transmitter to send multiple packets in quick succession. +Packets are transmitted in bursts which combine multiple packets in a contiguous transmission. A burst consists of the following elements: