Quantum Network Slice Authentication via QKD Intermediary

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Solution Overview

Problem

Current network authentication systems do not effectively utilize quantum authentication for wireless user devices, especially in external networks like enterprise and edge networks, and fail to efficiently interface with external network elements to generate quantum-derived secret identity codes.

Innovation Solution

Implementing a method in wireless communication networks to perform quantum authentication by exchanging cryptography information related to polarization states and generating a cryptography key based on selected and measured polarization states, which is then used to authenticate wireless user devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If quantum authentication is implemented for wireless user devices in external networks, then security is enhanced, but device complexity increases

Engineering Contradiction:
Improveauthentication securityVSAvoidauthentication system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent introduces a Quantum Key Distribution (QKD) system as an intermediary between the wireless communication network and external networks. This QKD system generates and distributes quantum-derived secret identity codes to multiple network elements (wireless communication network, enterprise network, edge network, data network), acting as a mediator that enables secure authentication across different network domains without requiring each network to independently implement complex quantum authentication mechanisms.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If quantum key distribution is used to generate secret identity codes, then authentication security is improved, but interface complexity with external network elements increases

Engineering Contradiction:
Improvesecret identity code securityVSAvoidinterface complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements a universal QKD interface that can interact with multiple types of external networks (enterprise networks, edge networks, data networks) through a standardized mechanism. The system uses a common quantum authentication approach across different network types, allowing the same interface design to serve multiple functions and network domains, thereby reducing overall interface complexity despite the advanced security requirements.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If quantum authentication is deployed across multiple external networks, then interoperability is enhanced, but system complexity increases

Engineering Contradiction:
Improvenetwork interoperabilityVSAvoidauthentication system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent segments the quantum authentication system into distinct functional components: a QKD system that generates quantum-derived secret identity codes, and separate network elements (wireless communication network, enterprise network, edge network, data network) that utilize these codes for authentication. This segmentation allows each component to be independently designed and optimized, reducing overall system complexity while maintaining interoperability across multiple network types.

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This approach enables secure and efficient authentication of wireless user devices across external networks by leveraging quantum key distribution, enhancing security and interoperability with external network elements.

Implementation Method 1

The network quantum circuitry is configured to select polarization states for qubits. The network quantum circuitry is further configured to generate and polarize the qubits using the selected polarization states.

Methodology Applied
Scientific EffectPolarization: Polarisation

Data Source

PatentUS20240291675A1Quantum network slice specific authentication and authorization
Publication Date: 2024.08.29 T MOBILE INNOVATIONS LLC
  • US20240291675A1 patent drawing
  • US20240291675A1 patent drawing
  • US20240291675A1 patent drawing

AI summary

Various embodiments comprise a wireless communication network configured to perform quantum authentication for a wireless User Equipment (UE). The wireless communication network comprises network quantum circuitry and network authentication circuitry. The network quantum circuitry selects polarization states for qubits. The network quantum circuitry generates and polarizes the qubits using the selected polarization states. The network quantum circuitry transfers the qubits to an enterprise network. The network authentication circuitry exchanges cryptography information indicating the selected polarization states, measured polarization states, and a wireless device ID with the enterprise network. The network authentication circuitry generates a cryptography key based on the selected polarization states and the measured polarization states and stores the cryptography key in association with the wireless device ID.