5.1. Self-Optimization Requirements for 2G, 3G and LTE5.2. Cross-Technology Constraints for Self-Optimization5.3. Optimization Technologies5.4. Sources for Automated Optimization of Cellular Networks5.5. Self-Planning versus Open-Loop Self-Optimization5.6. Architectures for Automated and Autonomous Optimization5.7. Open-Loop, Automated Self-Optimization of Cellular Networks5.8. Closed-Loop, Autonomous Self-Optimization of 2G Networks5.9. Closed-Loop, Autonomous Self-Optimization of 3G Networks5.10. Closed-Loop, Autonomous Self-Optimization of LTE Networks5.11. Autonomous Load Balancing for Multi-Technology Networks5.12. Multi-Technology Energy Saving for Green IT5.13. Coexistence with Network Management Systems5.14. Multi-Vendor Self-Optimization5.15. References