Emergency satellite communications: research and standardization activities

Space communications is an ideal candidate to handle critical and emergency situations arising at a regional-to-global scale, provided an effective integration among them. The paper presents a review of solutions offered by space communication systems for early warning and emergency communication services. It includes a up-to-date review of public research and standardization activity in the field, with a specific focus on mass alerting. The main technical issues and challenges are also discussed along with the cutting-edge researches from the scientific community.