Speed:
YesDR Core Network YACP PFCP GTP-U YSMP YNRF YAMF YRMF YCRF YNEF YAUSF YNSSF YUDM YPCF YSMF YUPF YSM YBS YUE DN Start YNRF Start YAMF YAMF is registering in YNRF Start YRMF YRMF is registering in YNRF Start YCRF YCRF is registering in YNRF Start YNEF YNEF is registering in YNRF Start YAUSF YAUSF is registering in YNRF Start YNSSF YNSSF is registering in YNRF Start YUDM YUDM is registering in YNRF Start YPCF YPCF is registering in YNRF Start YSMF YSMF is registering in YNRF Start YUPF Start YSM Start YBS Start YUE 1. YSM sends Setup Request to YAMF. 2. YAMF sends Setup Response to YSM. 3. YSM sends Spectrum Report to YCRF. 4. YCRF sends Spectrum availability to YRMF. 5. YBS sends Setup Request to YAMF. 6. YAMF sends Setup Response to YBS. 7. YBS sends Radio Parameter Request to YRMF. 8. YRMF sends Radio Parameter Assignment to YBS. 9. YRMF sends allocated spectrum to YBS. 10. YUE finds and synchronizes with the cell. 11. Connection-based or dedicated RACH. 12. Initiates RRC setup. 13. Sends parameters for RRC. 14. Completes RRC; starts YNAS. 15. YUE Sends Registration Request to YAMF. 16. YAMF Forwards YNAS Authentication Request. 17. YAUSF Requests Authentication Vector to YUDM. 18. YUDM Responds Authentication Vector (e.g., RAND, AUTN, XRES, Kausf) to YAUSF. 19. YAUSF computes the expected response (HXRES*) and forwards the Authentication Challenge to the YAMF. 20. YAMF sends the authentication challenge (RAND and AUTN) to the YUE. 21. YUE responds with RES. YAMF forwards it to YAUSF. 22. YAUSF compares RES with XRES* or HXRES*. If RES matches, then send authentication successful to YAMF. 23. YAMF sends Security Mode Command to YUE. 🔐 24. YUE sends Security Mode Complete to YAMF. 🔐 25. YAMF sends Registration Accept to YUE. 26. YUE sends PDU Session Establishment Request to YAMF. 27. YAMF NSMF PDU Session Create SM Context to YSMF. 28. YSMF sends Npcf_SMPolicyControl_Create to YPCF. 29. YPCF sends Policy Decision to YSMF. 30. YSMF N4 Session Establishment (PFCP) to YUPF. 31. YUPF Session Setup Response to YSMF. 32. YSMF PDU Session Accept to YAMF. 33. YAMF PDU Session Accept (YNAS) to YUE. 34. DN via YUPF, YBS sends Downlink Data Transfer to YUE. Message: 'A'(1 byte) UDP: +~8 bytes IP: +~20 bytes -------------------------- Total: ~29 bytes GTP-U: +~8 bytes -------------------------- Total: ~37 bytes +~2 bytes +~4 bytes +~2 bytes +~4 bytes +~45 bytes extra --------------------------- Total: ~94 bytes (~ 752 bits) Total: ~94 bytes (~ 752 bits) -~45 bytes extra -~4 bytes -~2 bytes -~4 bytes -~2 bytes ----------------------------- Total: ~37 bytes IP/UDP: -~36 bytes App Layer: Receives 'A' = 0x41 Start YNRF. Start YAMF. Start YRMF. Start YCRF. Start YNEF. Start YAUSF. Start YNSSF. Start YUDM. Start YPCF. Start YSMF. Start YUPF. Start YSM. Start YBS. Start YUE. YAMF is registering in YNRF. YRMF is registering in YNRF. YCRF is registering in YNRF YNEF is registering in YNRF. YAUSF is registering in YNRF. YNSSF is registering in YNRF. YUDM is registering in YNRF. YPCF is registering in YNRF. YSMF is registering in YNRF. YSM sends Setup Request to YAMF. YAMF sends Setup Response to YSM. YSM sends Spectrum Report to YCRF. YCRF sends Spectrum availability to YRMF. YBS sends Setup Request to YAMF. YAMF sends Setup Response to YBS. YBS sends Radio Parameter Request to YRMF. YRMF sends Radio Parameter Assignment to YBS. YRMF sends allocated spectrum to YBS. YUE finds and synchronizes with the cell. Connection-based or dedicated RACH. Initiates RRC setup. Sends parameters for RRC. Completes RRC; starts YNAS. YUE Sends Registration Request to YAMF. YAMF Forwards YNAS Authentication Request. YAUSF Requests Authentication Vector to YUDM. YUDM Responds Authentication Vector (e.g., RAND, AUTN, XRES, Kausf) to YAUSF. YAUSF computes the expected response (HXRES*) and forwards the Authentication Challenge to the YAMF. YAMF sends the authentication challenge (RAND and AUTN) to the YUE. YUE responds with RES. YAMF forwards it to YAUSF. YAUSF compares RES with XRES* or HXRES*. If RES matches, then send authentication successful to YAMF. YAMF sends Security Mode Command to YUE. YUE sends Security Mode Complete to YAMF. YAMF sends Registration Accept to YUE. YUE sends PDU Session Establishment Request to YAMF. YAMF NSMF PDU Session Create SM Context to YSMF. YSMF sends Npcf_SMPolicyControl_Create to YPCF. YPCF sends Policy Decision to YSMF. YSMF N4 Session Establishment (PFCP) to YUPF. YUPF Session Setup Response to YSMF. YSMF PDU Session Accept to YAMF. YAMF PDU Session Accept (YNAS) to YUE. DN via YUPF, YBS sends Downlink Data Transfer to YUE. SBI YNAS YSDAP YPDCP YRLC YMAC YPHY YNAS YSDAP YPDCP YRLC YMAC YPHY YAP YAIF YSS YPHY Down Link Down Link Down Link Down Link Down Link Down Link Down Link Up Link Up Link Up Link Up Link Up Link Up Link Up Link Up Link Up Link Up Link Up Link Up Link Up Link Up Link Down Link Down Link Down Link Down Link Down Link Down Link Down Link