10. GENERAL REQUIREMENTS
30. NOTES
Figure 1. System performance measurements test setup
Figure 2. Connectivity and LQA matrix
Figure 3. ALE symbol library
Figure 4. ALE basic word structure
Figure 5. Valid word sequences
Figure 5a. Valid word sequences (Continued: calling cycle section)
Figure 5b. Valid word sequences (Continued: message section)
Figure 5c. Valid word sequences (Continued: conclusion section)
Figure 6. Basic 38-ASCII subset
Figure 7. Expanded 64-ASCII subset
Figure 8. Full 128-ASCII set
Figure 9. Generator matrix for (24, 12) extended Golay code
Figure 10. Parity-check matrix for (24, 12) extended Golay code
Figure 11. Golay word encoding
Figure 12. Golay FEC coding examples
Figure 13. Word bit coding and interleaving
Figure 14. Bit and word decoding
Figure 14a. ALE encoding/decoding example
Figure 15. Calling cycle sequences
Figure 16. Message sequences
Figure 17. Conclusion (terminator) sequence
Figure 18. Basic frame structure examples
Figure 19. LQA matrix example
Figure 20. Basic call structure
Figure 21. Individual call protocol
Figure 22. Individual scanning calling protocol
Figure 23. Basic sounding structure
Figure 24. Call rejection scanning sounding protocol
Figure 25. Call acceptance scanning sounding protocol
Figure 26. Scanning sounding with optional handshake protocol
Figure 27. Star net scanning calling protocol
Figure 27a. Star group scanning calling
Figure 28. Data text message structure example
Figure 29. Data text message reconstruction (overlay)
Figure 30. Data block message structure and ARQ example
Figure 31. Data block message interleaver and deinterleaver
Figure 32. Data block message example
Figure 33. Radio subsystem interface points
Figure 34. Phase noise limit mask for fixed site and environmentally controlled long-haul radio transmitters
Figure 35. Phase noise limit mask for non-environmentally controlled tactical radio transmitters
Figure 36. Overall channel response for single-channel or dual-channel equipment
Figure 37. Overall channel characteristics (four-channel equipment)
Figure 38. Digital Lincompex calibration sequence
Figure 39. Out-of-band power spectral density for HF transmitters
Figure 40. Discrete spurious emissions limit for HF transmitters
Figure 41. Output power vs. VSWR for transmitters with broadband output impedance networks
Table I. Probability of linking
Table II. Channel memory example
Table III. Self-address memory example
Table IV. Other address memory example
Table V. ALE word types (preambles)
Table VI. Limits to size and duration of ALE calls
Table VII. 2-of-3 majority vote decoding
Table VIII. Majority word construction
Table IX. Basic (38-ASCII subset) address structures
Table X. Use of "@" utility symbol
Table XI. Basic bit error ratio (BER) values
Table XII. ALE operational rules
Table XIII. Timing
Table XIV. Summary of COMMAND functions
Table XV. Link quality analysis (LQA) structure
Table XVI. Data text message characteristics
Table XVII. Data text message structure
Table XVIII. Data block message characteristics
Table XIX. Data block message structure
Table XX. Cyclic redundancy check (CRC) structure
Table XXI. Tune and wait structure
Table XXII. Time values
Table XXIII. Time-related COMMAND Functions
Table XXIV. User unique functions structure
Table XXV. Bandwidths
Table XXVI. Out-of-band power spectral density limits for radio transmitters