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PayloadMode Enumeration

The modem supports the following PayloadMode values:

FH_80bps = 0,
QPSK_5120bps,
QPSK_2560bps,
QPSK_1920bps,
QPSK_1280bps,
QPSK_10240bps,

BPSK_2560bps,
BPSK_1280bps,
BPSK_960bps,
BPSK_640bps,

These modes fall into three families:

  • FH-FSK, 80 bps
  • BPSK family, 640-2560 bps
  • QPSK family, 1280-10240 bps

Mode Selection Summary

  • Highest robustness: FH_80bps, BPSK_640bps
  • Low-SNR or long-range: BPSK_960bps, BPSK_1280bps
  • General operation at moderate SNR: BPSK_2560bps
  • High-rate short-range bursts: QPSK_5120bps
  • External FEC research modes: QPSK_10240bps
  • Legacy interoperability: QPSK_2560bps and below