3GPP SON Series: RACH Optimization
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The document discusses RACH (Random Access Channel) optimization as part of Self-Organizing Networks (SON) in 3GPP, emphasizing improvements in connection time, throughput, and cell coverage based on user equipment (UE) feedback and neighboring ENB configurations. Key messages include RRC (Radio Resource Control) information exchanges and X2-setup protocols for optimal performance. Several references and resources for further reading about SON in telecoms are provided.
3GPP SON Series: RACH Optimization
- 1. 3GPP SON Series: RACH Optimization @3g4gUK
- 2. RACH Optimization ©3G4G • The eNB continuously or periodically performs RACH optimization based on the UE feedback and knowledge of neighbouring eNB’s RACH configuration • An optimized RACH will: • Reduce connection time • Help achieve Higher Throughput • Improve cell coverage RRC: UE Information Response RRC: UE Information Request New eNB UE
- 3. RRC UE Information Request message ©3G4G
- 4. RRC UE Information Response message ©3G4G
- 5. PRACH Configuration in X2-Setup ©3G4G X2-AP: X2 Setup Response X2-AP: X2 Setup Request eNB 1 eNB 2
- 6. References and Further Reading ©3G4G • Self-Organizing Networks (SON) in 3GPP Long Term Evolution by Sujuan Feng and Eiko Seidel, Nomor Research (link) • From 4G to 5G: Self-organized Network Management meets Machine Learning by Jessica Moysen and Lorenza Giupponi (link) • Self Organizing Networks for 3GPP LTE by Aderemi A. Atayero, Oluwadamilola I. Adu, and Adeyemi A. Alatishe (link) • 3G4G: Self-Organizing Networks / Self-Optimizing Networks (link) • The 3G4G Blog: SON (link)
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