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doc: minor clarifications

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Thomas Kolb 2024-05-01 10:40:51 +02:00
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doc/hamnet70.adoc
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@ -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. 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 ===== 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"] [options="header"]
.Supported modulation/code combinations .Supported packet data modulation/code combinations (MODCODs)
|=== |===
| ID (binary) | Modulation | Channel Code | 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
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: A burst consists of the following elements: