M-TIF Device Tactical Network 5G Interworking
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Solution Overview
Problem
Incorporating tactical radios into cellular networks, such as 5G networks, is challenging due to the need for defining new procedures and potentially exposing internal details of the tactical radios and waveforms, which is a lengthy process and may compromise security.
Innovation Solution
Utilizing existing standards and interfaces, like Trusted non-3GPP network access, to integrate tactical radios into 5G networks with minimal changes, using a Military Trusted Interworking Function (M-TIF) device to support interworking functions between tactical and mobile core networks, ensuring seamless data distribution while maintaining security by keeping internal details hidden.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If new procedures are defined to incorporate tactical radios into cellular networks, then integration capability is improved, but development time and complexity increase
Solution Approach 1:
The M-TIF device is designed to support multiple interworking standards and interfaces, enabling it to work with different tactical radio systems and cellular network generations (4G, 5G) without requiring custom development for each case. This universal design allows the same device to handle various tactical waveforms and protocols through standardized mechanisms.
Solution Approach 2:
The M-TIF acts as an intermediary device between tactical radios and cellular networks, translating and adapting protocols without requiring changes to either side. It mediates the interaction by implementing interworking functions that bridge the two different network types, avoiding the need to define new procedures in the cellular network core.
2Adaptability or versatility
If internal details of tactical radios are exposed for integration, then interoperability is improved, but security is worsened
Solution Approach 1:
The M-TIF serves as a security boundary that mediates between tactical radios and cellular networks. It exposes only the necessary interworking functions and protocols required for operation, while keeping internal tactical radio details hidden behind this intermediary layer. This prevents direct exposure of sensitive internal structures.
Solution Approach 2:
The system architecture segments the integration functionality into distinct layers: the M-TIF handles protocol translation and interworking, while the core cellular network and tactical radio systems remain separate and protected. This segmentation isolates potential security risks to the intermediary device rather than exposing the entire system.
3Device complexity
If existing standards are used for integration, then implementation complexity is reduced, but flexibility to accommodate tactical specifics is limited
Solution Approach 1:
The M-TIF implements parameter adaptation mechanisms that allow it to adjust protocol parameters, encoding schemes, and operational characteristics to match tactical radio requirements while maintaining compliance with existing cellular network standards. This enables flexibility within the constraints of standardized interfaces.
Data Source
AI summary
A system may include a tactical military network including tactical nodes and a tactical gateway node configured as a trusted network access node (TNAN) to a mobile core network. The system may further include a military trusted interworking function (M-TIF) device of the mobile core network. The M-TIF device may support an interworking function between the tactical military network and the mobile core network. The M-TIF device may be communicatively coupled to the tactical gateway node. The tactical gateway node may be collocated with the M-TIF device. Services of the mobile core network may be accessible to the tactical nodes via the tactical gateway node and the M-TIF device.