Abstract An experimental prototype of a software and hardware complex for secure data transmission in 4G/5G mobile networks is developed using quantum key distribution (QKD) technologies. The structure and fundamental operational principles are outlined, along with details of both hardware and software components. The developed prototype is a fully functional system capable of secure text, audio, and video messaging. Encased in a hermetically sealed ruggedized case, the system can be deployed both indoors and outdoors.
Abstract An experimental prototype of a software and hardware complex for secure data transmission in 4G/5G mobile networks is developed using quantum key distribution (QKD) technologies. The structure and fundamental operational principles are outlined, along with details of both hardware and software components. The developed prototype is a fully functional system capable of secure text, audio, and video messaging. Encased in a hermetically sealed ruggedized case, the system can be deployed both indoors and outdoors.
The article presents the concept of developing a hardware-software complex (HSC) designed for secure data transmission in mobile networks of5G/6Gstandards using advanced quantum key distribution (QKD) technologies. The scientific novelty of the work lies in proposing a mobile communication architecture that integrates quantum cryptographic methods to address current security challenges amid the development of next-generation networks and the emergence of threats from quantum computing. The concept involves creating a complex that combines hardware and software components within a unified architecture, ensuring secure exchange of text, audio, and video messages even in the presence of potential attacks using quantum computing. The proposed concept demonstrates the feasibility of integrating QKD into mobile network infrastructure, laying the foundation for building quantum-resistant communication systems under real-world operational conditions. The main contribution of this work is the development of a universal solution capable of maintaining data integrity and confidentiality in mobile communication channels by leveraging the fundamental principles of quantum physics. The practical relevance of the concept is confirmed by its potential to be adapted for use in critically important infrastructure scenarios and its compatibility with various mobile operating systems, offering a promising approach to ensuring secure data transmission in the context of quantum technology advancement and increased data transmission speeds in 5G/6G networks.
Abstract Conventional cryptographic methods are losing their long-term reliability in the face of growing information security threats ranging from increasing computational power to the emergence of quantum computers. In this regard, quantum cryptography technologies, in particular, quantum key distribution (QKD), are emerging as promising tools for ensuring physically grounded data security. This work presents a comprehensive analysis of the potential for autonomous implementation of QKD in 4G/5G mobile networks, focusing on practical deployment and possible limitations. Additionally, the integration of post-quantum cryptography and QKD is explored as a complementary approach to securing user data, along with the prospects for building a secure infrastructure based on VPN technologies and QKD systems. Special attention is given to comparison of international and domestic developments in this field and evaluation of the applicability of these technologies in existing mobile networks.
The exponential growth of global telecommunication networks has heightened the need for robust security frameworks to protect data transmission against evolving cyber threats.Traditional encryption techniques, such as RSA and AES, while effective, are increasingly vulnerable to advances in computational power and the impending threat posed by quantum computing.Quantum cryptography, specifically Quantum Key Distribution (QKD), presents a revolutionary approach to securing telecommunication systems by leveraging the fundamental principles of quantum mechanics.Unlike classical encryption methods, QKD guarantees data security through the use of quantum states that are inherently resistant to interception and eavesdropping due to the no-cloning theorem and Heisenberg's uncertainty principle.From a broader perspective, this paper explores the integration of quantum cryptographic protocols into existing telecommunication infrastructures, emphasizing their potential to safeguard data transmission in fiber-optic and satellite communication networks.It examines the architecture and operational mechanisms of QKD systems, detailing protocols such as BB84 and E91, and evaluates their effectiveness in countering both classical and quantum-enabled cyber-attacks.Additionally, the study delves into the challenges of large-scale deployment, including key distribution range limitations, hardware requirements, and the need for quantum repeaters to support long-distance secure communication.Narrowing the focus, case studies on the implementation of quantum cryptography in 5G networks and global telecommunication hubs are analysed, highlighting their role in enhancing network resilience and ensuring end-to-end encryption.The paper concludes with strategic recommendations for policy development, international standardization, and future research directions to facilitate the widespread adoption of quantum cryptography in the telecommunications sector.
Every attempt to access to the Internet through a Web browser, email sent, VPN connection, VoIP call, instant message or other use of telecommunications systems involves cryptographic techniques. The most commonly applied technique is asymmetric cryptography, which is generally executed in the background without the user even being aware. It establishes a cryptographic code based on the computational complexity of mathematical problems. However, this type of cryptography, which is widely used in today’s telecommunications systems, is under threat as electronics and computing rapidly develop. The development of fifth-generation cellular networks (5G) is gaining momentum, and given its wide field of application, security requires special attention. This is especially true faced with the development of quantum computers. One solution to this security challenge is to use more advanced techniques to establish cryptographic keys that are not susceptible to attack. An essential part of quantum cryptography, Quantum Key Distribution (QKD) uses the principles of quantum physics to establish and distribute symmetric cryptographic keys between two geographically distant users. QKD establishes information-theoretically secure cryptographic keys that are resistant to eavesdropping when they are created. In this paper, we survey the security challenges and approaches in 5G networks concerning network protocols, interfaces and management organizations. We begin by examining the fundamentals of QKD and discuss the creation of QKD networks and their applications. We then outline QKD network architecture and its components and standards, following with a summary of QKD and post-quantum key distribution techniques and approaches for its integration into existing security frameworks such as VPNs (IPsec and MACsec). We also discuss the requirements, architecture and methods for implementing the FPGA-based encryptors needed to execute cryptographic algorithms with security keys. We discuss the performance and technologies of post-quantum cryptography, and finally, examine reported 5G demonstrations which have used quantum technologies, highlighting future research directions.
As wireless networks become increasingly integral to modern communication infrastructures, the need for robust security mechanisms to protect sensitive information has never been more critical. Quantum Key Distribution (QKD) presents a revolutionary approach to secure communications by leveraging the principles of quantum mechanics to ensure the theoretical unbreakability of cryptographic keys. This study provides a comprehensive review of the current status of QKD technologies within the context of wireless networks, utilizing secondary data sources to analyze recent advancements, implementations, and challenges. The paper begins by outlining the fundamental principles of QKD and its superiority over classical cryptographic methods. It then examines recent developments in QKD protocols and their adaptability to wireless environments, highlighting successful case studies and experimental trials. Key challenges, including technological limitations, integration hurdles with existing network infrastructures, and cost considerations, are discussed in detail. The review also explores emerging trends and innovations, such as hybrid QKD systems and satellite-based implementations, which promise to expand the applicability and feasibility of QKD in wireless networks. Finally, the study delineates future prospects and potential research directions, emphasizing the need for interdisciplinary collaboration to overcome existing limitations and fully realize the potential of QKD in enhancing wireless network security.
The integration of quantum communication principles with 5G technology presents a groundbreaking approach to addressing the growing demand for high-speed, secure, and resilient communication systems. This paper proposes a Quantum-Driven Hybrid Network Architecture that leverages Quantum Key Distribution (QKD) for unparalleled security and combines it with 5G's ultra-fast data transmission capabilities. The architecture integrates key components such as QKD modules, 5G infrastructure, and edge computing, organized into a layered framework comprising quantum, network control, and application layers. Simulation results demonstrate significant improvements in throughput (up to 23.5%), latency reduction (up to 25%), and error rate reduction in high-noise environments (from 0.25% to 0.05%). The proposed system also exhibits enhanced security, achieving a 100% success rate in mitigating eavesdropping and man-in-the-middle attacks. Using resource-efficient mechanisms, the hybrid network achieves an overall accuracy of 97.8% in secure and resilient data transmission. This work validates the potential of quantum-enhanced 5G systems to meet the challenges of future communication networks.