Emergency Alert Relay Across Cellular, Sidelink, and Satellite Links
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Solution Overview
Problem
Existing communication networks, such as terrestrial cellular networks, may become inoperable or provide inadequate service during emergencies, hindering the timely conveyance of emergency information.
Innovation Solution
Utilizing sidelink and satellite communications to supplement or replace cellular technology for conveying wireless emergency alerts (WEAs), enabling first responders to generate and distribute localized alerts via sidelink, even in areas with poor or no cellular coverage, and integrating cloud-based virtualized communication networks for scalable and flexible emergency alert distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If terrestrial cellular networks are used for emergency alert conveyance, then established infrastructure and coverage are utilized, but network reliability deteriorates when the network becomes inoperable or degraded during emergencies
Solution Approach 1:
The patent introduces satellite communication systems as an intermediary layer between terrestrial cellular networks and end devices. When cellular networks fail or degrade during emergencies, the satellite system acts as a mediator to maintain emergency alert conveyance through space-based infrastructure, thereby resolving the reliability issue without requiring complete network replacement
Solution Approach 2:
The patent transitions from two-dimensional terrestrial cellular coverage to three-dimensional satellite-based coverage. By utilizing orbital platforms, the system achieves global coverage independent of ground network status, adding a vertical dimension to communication infrastructure that remains operational when terrestrial networks fail
2Reliability
If multiple communication technologies are integrated for emergency alerts, then coverage reliability improves, but system complexity increases
Solution Approach 1:
The patent implements a multi-functional communication platform that can operate in multiple modes: terrestrial cellular mode for normal conditions, satellite mode for emergency scenarios, and hybrid modes combining both. This universal system handles diverse communication needs through a single integrated architecture, improving reliability while managing complexity through unified design
Solution Approach 2:
The system dynamically switches between different communication technologies based on operational conditions. The architecture includes adaptive routing that automatically selects between cellular and satellite modes depending on network status, signal strength, and emergency type, thereby maintaining high reliability without requiring manual intervention or complex user-side management
3Area of stationary object
If satellite communications are used to supplement cellular networks, then coverage in remote areas improves, but infrastructure requirements and system complexity increase
Solution Approach 1:
The patent merges satellite communication capabilities with existing cellular network infrastructure through a hybrid architecture. Ground stations and mobile devices integrate both satellite and cellular modules, allowing the system to leverage existing terrestrial infrastructure while adding satellite coverage for remote areas, thereby expanding coverage without proportionally increasing overall system complexity
Data Source
AI summary
Aspects of the subject disclosure include, for example, obtaining a first wireless emergency alert (WEA) via a cellular link, and transmitting, based on the obtaining of the first WEA, a first message to a second device via sidelink. Aspects of the subject disclosure include obtaining a first message from a communication device of a first responder, and transmitting, based on the obtaining of the first message, a WEA. Aspects of the subject disclosure include obtaining an indication that an emergency has occurred, transmitting, based on the obtaining of the indication, a first message via a cellular network, and transmitting, based on the obtaining of the indication, a second message via a satellite network. Other aspects are disclosed.