Top Banner

Click here to load reader

UMTS/WCDMA Call Flows for Handovers

Jan 15, 2015

ReportDownload

Technology

justin-ma

It is a handbook of UMTS/WCDMA call flows for Handovers.

This document is originally edited by Justin MA and it is free to share to everyone who are interested.

All reference/resource are from internet. If there is any copy-right issue, please kindly inform Justin by [email protected]

Thanks for your reading!

  • 1. 1111/25/25/25/25 WCDMAWCDMAWCDMAWCDMA HOHOHOHO CallCallCallCall FlowsFlowsFlowsFlows By Justin MA Created: June 2014 Updated: 2014_0801 Change History: 2014_0801: Modify the SRNS Relocation Picture notation in NSN.

2. 2222/25/25/25/25 3. 3333/25/25/25/25 Soft HO after E1A (Intra-RNC) Ref: Huawei 4. 4444/25/25/25/25 Soft HO after E1B (Intra-RNC) Ref: Huawei 5. 5555/25/25/25/25 Hard HO in Intra-RNC moving Ref: Huawei 6. 6666/25/25/25/25 Soft HO in Inter-RNC moving Ref: Huawei DRNC DRNC 7. 7777/25/25/25/25 Soft HO in Inter-RNC Radio Link Addition (Branch Addition) Iur 8. 8888/25/25/25/25 UE Node B Drift RNS Drift RNC Serving RNC DCH -FPDCH -FP 8. Downlink Synchronisation RNSAP RNSAP 1. Radio Li nk Setup Request Start TX description NBAP NBAP 2. Radio Link Setup Request RNSAP RN SAP 4. Radio Link Setup Response NBAP NBAP 3. Radio Link Setup Response Start RX description Decision to setup new RL RRCRRC 11. DCCH : Active Set Update Complete RRCRRC 10. DCCH : Active Set Update [Radio Link Addition] ALCAP Iur Bearer Setup5. ALCAP Iub Bearer Setup DCH -FPDCH -FP 9. Uplink Synchronisation RNSAP RNSAP 7. Radio Link Restore Indication NBAP NBAP 6. Radio Link Restore Indication Ref: TR 25.931 Iur 9. 9999/25/25/25/25 Soft HO in Inter-RNC Radio Link Deletion (Branch Deletion) Iur 10. 10101010/25/25/25/25 UE Node B Drift RNS Drift RNC Serving RNC RRCRRC 2. DCCH : Active Set Update Complete Decision to delete old RL RNSAP RNSAP 3. Radio Link Deletion Request NBAP NBAP 4. Radio Link Deletion Request RNSAP RNSAP 6. Radio Link Deletion Response NBAP NBAP 5. Radio Link Deletion Response Stop RX and TX RRCRRC 1. DCCH : Active Set Update [Radio Link Deletion] ALCAP Iur Bearer Release7. ALCAP Iub Bearer Release Ref: TR 25.931 Iur 11. 11111111/25/25/25/25 Soft HO in Inter-RNC Radio Link Replacing Ref: TR 25.931 Iur 12. 12121212/25/25/25/25 Hard HO in Inter-RNC Ref: Huawei IurIurIurIur 13. 13131313/25/25/25/25 Ref: Huawei 14. 14141414/25/25/25/25 SRNS Relocation for CS (UE-not-involved) Ref: NSN Iur 15. 15151515/25/25/25/25 SRNS Relocation for CS (UE-involved) Ref: NSN Iur 16. 16161616/25/25/25/25 SRNS Relocation for PS (UE-not-involved) Ref: NSN Iur 17. 17171717/25/25/25/25 SRNS Relocation for PS (UE-involved) Ref: NSN Iur 18. 18181818/25/25/25/25 Inter-Frequency Hard Handover RNSAPRNSAP 1. Radio Link Setup Request Note 1Note 1Note 1Note 1 UE Node B Source Node B Target RNC Source RNC target SRNC RRC RRC 12. DCCH : Physical Channel Reconfiguration Complete Note 3Note 3Note 3Note 3 RRC 7. DCCH : Physical Channel Reconfiguration Note 3Note 3Note 3Note 3 RRC 6. ALCAP Iur Data Transport Bearer Setup Note 1Note 1Note 1Note 1 NBAP NBAP 2. Radio Link Setup Request NBAP NBAP3. Radio Link Setup Response NBAP NBAP 14. Radio Link Deletion Request NBAP NBAP 15. Radio Link Deletion Response 4. ALCAP Iub Data Transport Bearer Setup 16. ALCAP Iub Data Transport Bearer Release RNSAP RNSAP17. Radio Link Deletion Response Note 2Note 2Note 2Note 2 18. ALCAP Iur Data Transport Bearer Release Note 2Note 2Note 2Note 2 RNSAP 5. RL Setup Response Note 1Note 1Note 1Note 1 RNSAP RNSAP13. Radio Link Deletion Request Note 2Note 2Note 2Note 2 RNSAP NBAP NBAP 8. Radio Link Failure Indication RNSAP RNSAP9. Radio Link Failure Indication Note 2Note 2Note 2Note 2 NBAP NBAP10. Radio Link Restore Indication RNSAP 11. RL Restore Indication Note 1Note 1Note 1Note 1 RNSAP Ref: TR 25.931 Iur 19. 19191919/25/25/25/25 Service based UTRAN to GSM/BSS Intersystem Handover UE RNC 3G MSC 2G MSC BSC 6. Relocation Required RANAP 7. Prepare Handover MAP/E 8. Handover Request BSSMAP 9. Handover request Ack BSSMAP 10. Prepare Handover Response MAP/E 11. Relocation Command RANAP 12. Handover from UTRAN Command RRC 13. Handover Detect BSSMAP 14. Handover Complete RR 15. Handover Complete BSSMAP 16. Send End Signal Request MAP/E 17. Iu Release Command RANAP 18. Iu Release Complete RANAP 19. Send End Signal Response MAP/E 1. RAB Assignment Request [Service Handover]RANAP 4. RAB Assignment Response RANAP 2. RB setup RRC 3. RB response RRC 5. RNC decides to make handover Radio link failure on UTRAN and radio link establishment in GSM/BSS RANAP RANAP RANAP RANAP RANAP RANAP RRC RRC RRC MAP/E MAP/E MAP/E MAP/E BSSMAP BSSMAP BSSMAP BSSMAP RR Ref: TR 25.931 20. 20202020/25/25/25/25 iRAT-CS-HO WCDMA to GSM Ref: Huawei 21. 21212121/25/25/25/25 Ref: Ericsson 22. 22222222/25/25/25/25 3G to 2.5G Cell Change Order Ref: Tekcomms 23. 23232323/25/25/25/25 Ref: Ericsson 24. 24242424/25/25/25/25 Intra-RNC-Inter-NodeB-Inter-Frequency Hard HO f1 25. 25252525/25/25/25/25 Ref:

Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.