1. Introduction to Public safety networks>2. Communication technologies>3. Existent and future architectures>4. Requirements for PSN interoperability>5. Emergency alert systems>6. Public Safety Scenarios modelling>7. Fast deployable networks>8. Public Safety applications>9. Validation of mission critical networks protocols>10. Emerging standards>11. Spectrum policies and specific legislations>12. Social networks and disaster scenarios>13. Next generation systems>14. Next challenges.