Network-Enabled Survival Terminal for Automatic Ejection Alerts
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Solution Overview
Problem
Current survival radios used by downed aircrews are not network capable, requiring manual loading of cryptographic keys and specific channel knowledge, leading to slow information distribution and potential communication failures during emergency situations, especially when CSAR assets are not immediately available.
Innovation Solution
A network-enabled survival terminal that automatically sends emergency notifications and position updates over a communication network, utilizing cryptographic keys and LPI/LPD technology to ensure seamless communication with rescue units, even if the pilot is incapacitated, and allowing for direction of close air support missions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If current survival radios are used, then the downed aircrew can communicate with CSAR elements, but the information distribution is slow and manual key loading is required
Solution Approach 1:
The system performs preliminary actions by automatically loading cryptographic keys and configuring communication parameters before the emergency occurs. The survival terminal pre-establishes network connectivity and key management, so that when ejection occurs, communication can begin immediately without manual key loading or configuration by the downed aircrew.
Solution Approach 2:
The survival terminal implements self-service by autonomously managing its own key loading, network registration, and communication initiation. The system automatically detects the ejection event, retrieves appropriate cryptographic keys, and establishes communication without requiring human intervention from the downed aircrew, thereby eliminating manual operations and reducing time loss.
2Reliability
If manual key loading is required, then cryptographic security can be maintained, but communication setup time increases and reliability decreases
Solution Approach 1:
Cryptographic keys are pre-loaded and managed in advance by the system. The survival terminal maintains a key management system that automatically retrieves and applies the appropriate cryptographic keys before communication is needed, eliminating the time required for manual key loading while maintaining security through automated key rotation and management.
Solution Approach 2:
The system implements feedback mechanisms where the survival terminal continuously monitors its communication status and automatically adjusts key selection and network registration based on detected conditions. This feedback loop ensures reliable communication establishment without manual intervention, as the system adapts to network conditions and selects appropriate keys automatically.
3Reliability
If CSAR assets are standing by, then rescue capability is maintained, but the closest asset may not be the one ready to extract
Solution Approach 1:
The system implements real-time feedback by continuously transmitting the downed aircrew's location and status information to all nearby CSAR assets through the network. This enables dynamic situational awareness where rescue assets can immediately identify the closest available unit and initiate extraction without waiting for manual coordination, thereby reducing response time while maintaining reliable rescue capability.
Solution Approach 2:
The communication system enables dynamic resource allocation by allowing CSAR assets to dynamically respond to emergency calls based on their real-time locations and availability. The network-enabled system facilitates dynamic coordination where the closest asset can be automatically identified and dispatched, rather than relying on pre-assigned static rescue teams, thereby optimizing response time while ensuring reliable rescue execution.
4Adaptability or versatility
If ground or rotary wing assets provide emergency extraction, then extraction capability is available, but interoperability issues prevent communication with downed aircrew
Solution Approach 1:
The survival terminal implements universality by supporting multiple communication protocols and network interfaces simultaneously. It can operate on various frequency bands, register with different network types (military, civilian, satellite), and interface with diverse CSAR assets including ground units, rotary wing aircraft, and fixed-wing aircraft. This multi-functional capability ensures reliable communication and interoperability regardless of which extraction asset is deployed.
Data Source
AI summary
In some embodiments, a search and rescue communication may include one or more of the following features: (a) a rescue terminal, (b) a main terminal operably connected to said rescue terminal across a communication network, said main terminal sends an emergency notification message across said communication network to said rescue terminal, and (c) a survival terminal associated with an ejection seat, said survival terminal being in communication with said main terminal, wherein said emergency notification message is delivered by said main terminal when said ejection seat is ejected.