# Communication Technologies in Emergency Situations
## 4 Emergency Communications Technologies--A Systematic Literature Review
### Methodology
#### 4.1.4 Included
\begin{table}
\begin{tabular}{c c c c c} \hline
**Ref.** & **Title** & **Comm. Technologies** & **Contribution** & **Evaluation** \\ \hline
[43] & The effect of region-based message selective delivery strategy on post-disasser emergency network & Delay Tolerant Networks + UAVs & Routing protocol (Transmission delay, data delivery rate, overhead ratio) & Simulation \\ \hline
[44] & Trajectory planning in UAV emergency networks with potential underlaying (DD) communication based on K-means & UAVs + D2D communications & UAV trajectory planning (communication performance, energy consumption) & Simulation \\ \hline
[45] & A smartphone-based Network Architecture for Post-Disaster Operations Using Wi-Fi Tehering & Ad-hoc networks, Wi-Fi tehering & Performance (power consumption) & Prototype and simulation \\ \hline
[46] & Combuting Hard or Soft Disasters with Privacy-Preserving & SG UAVs-assisted mobile edge communications, networking, federated computation & Privacy preserving, federated computation & Architecture proposal \\ \hline
[47] & Design and deployment of UAV-aided post-disasser emergency network & WiFi network on Drones & UDP/TC throughput, hop distance, bitrate & Field test \\ \hline
[48] & UAV-empowered disaster-resilient edge architecture for delay-sensitive communication & 3 GPP standard, PS-LTE, UAV cloudlets, SDN, edge computing & System delay, energy consumption, effect of increasing edge nodes & Simulation \\ \hline
[49] & Real-Time Delay Minimization for Data Processing in Wireless Network & Fog computing, Movable BS, Wireless Network & System delay & Simulation \\ \hline
[50] & Drone base station positioning and power allocation using reinforcement learning & Drone Small Cells, Reinforcement Learning (SD positioning and power allocation) & Coverage (Position of drones) & Simulation \\ \hline
[51] & Resource allocation optimization of UAV-enabled air-ground collaborative emergency network in disaster area & UAVs-enabled air-ground collaborative emergency network, Aerial Mobile Base Stations & Optimization scheme (Bandwith assignment, drone trajectory, drone transmission power) & Simulation (emulation) \\ \hline
[52] & A space-interconnection algorithm for satellite constellation based on spatial grid model & Satellite Constellation Network & Grid model (trajectory, coverage), visibility, network route planning & Simulation \\ \hline
[53] & Deployment of Drone-Based Small Cells for Public Safety Communication System & Drones Small Cells, Mobile & Throughput, channel access delay & Simulation \\ \hline \end{tabular}
\end{table} 
Table 4: _Cont._ \begin{table}
\begin{tabular}{c c c c c} \hline
**Ref.** & **Title** & **Comm. Technologies** & **Contribution** & **Evaluation** \\ \hline
[54] & Named data networking-based disaster response support system over edge computing infrastructure & Name Data Networking, Edge Computing & Role-based communication support, task mobility handover duration, quick network convergence time in case of node replacement, loss-free information & Proof-of-concept, deployment \\ \hline
[55] & Textile multiantenna technology and relaying architectures for emergency networks & Relay network, LTE-A, MIMO & Throughout, connectivity/coverage (spectral efficiency) & Simulation \\ \hline
[56] & The coverage method of unmanned aerial vehicle mounted base station network based on relative distance & UAV-BSs & Coverage & Simulation \\ \hline
[57] & 3D Location and Resource Allocation Optimization for UAV-Enabled Emergency Networks under Statistical QoS Constraint & UAV-BSs, Satellite LEO & User’s QoS constraint (UAVs, 3D location, power, bandwidth allocation) & Simulation \\ \hline
[58] & Collaboration of drone and internet of public safety things in smart cities: An overview of QoS and network performance optimization & Drones MANET, IoT & Network efficiency and accuracy (throughput, delay), probability of LoS & Simulation \\ \hline \end{tabular}
\end{table} 
Table 4: Cont.