1. Introduction 1.1 Backgrounds 1.2 Related Works 1.3 Contributions
2. System model 2.1 Network model 2.2 Channel model 2.2.1 Components affected by elevation angle 2.2.2 Air-to-Ground channel 2.2.3 Air-to-Air channel
3. Outage probability analysis 3.1 General environment 3.2 Interference-limited environments
4. Secrecy transmission probability analysis 4.1 Network description 4.2 Secrecy transmission probability
5. Numerical results 5.1 Simulation environments 5.2 General environment vs Interference-limited environment 5.3 Effects of UAV height 5.4 Effects of main and interference link environment 5.5 Effects of multiple interfering nodes 5.6 Effects of UAV friendly jammer