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# 1.1.2.4.49 MAC_RT_MOD_SCHEME Enum

## C

    typedef enum {
        MAC_RT_MOD_SCHEME_DIFFERENTIAL = 0x00,
        MAC_RT_MOD_SCHEME_COHERENT = 0x01
    } MAC_RT_MOD_SCHEME;

## Summary

G3-PLC Modulation Schemes.

## Description

The list of all Modulation Schemes supported by G3-PLC spec.

## Remarks

Coherent Scheme supports worst SNR (about 3 dB) than Differential Scheme.

Differential Scheme provides a bit higher data rate because Coherent Scheme uses some carriers for pilots.

Coherent Scheme requires an accurate crystal oscillator. G3-PLC specifies that the frequency error must be less than 25 PPM.

Rev: G