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AI and 5G

Put to use in the context of 5G networks, AI can contribute to optimising network performance and resource allocation, detect and mitigate security threats, and enhance user experience, among other applications. But AI is also leveraged by bad actors for malicious purposes.

AI in 5G network management 

Network operators can use AI in their network management and optimisation processes in various ways. AI systems can analyse data related to network performance metrics, user behaviour, and traffic patterns to optimise network resource allocation, predict and prevent traffic congestion, and improve overall network efficiency and quality of service. AI can also dynamically allocate network resources for different services and applications, ensuring adaptation to changing network conditions and user demands and facilitating efficient service delivery. AI tools can further be used to enable the integration of edge computing capabilities into 5G networks (allowing data to be processed as close to the data source as possible, to reduce latency and bandwidth use) by enabling real-time data processing, intelligent decision-making, and faster response times. AI is also useful for predicting, detecting, and mitigating security threats. For instance, AI-powered security solutions are often used to analyse network traffic patterns, identify anomalies and suspicious activities, and help enhance the overall resilience and security of 5G networks.

AI and network security threats

As 5G networks continue to be deployed around the world, malicious actors can leverage AI to craft powerful attacks threatening the integrity, stability, and security of such networks. AI techniques enable attackers to automate and optimise cyberattacks such as sophisticated malware propagation, evasion of security defences, and targeted exploitation of vulnerabilities in 5G infrastructures. In addition, the integration of AI within critical components of 5G networks introduces new vulnerabilities that adversaries can exploit; for instance, they can manipulate AI models, triggering erroneous processes that compromise network security and integrity.

5G, the fifth generation mobile network, is key in unlocking the potential of artificial intelligence (AI), the Internet of Things, (IoT), virtual, augmented, and mixed reality, and more. The extent to which 5G will revolutionise many aspects of our lives is akin to the shift from the typewriter to the computer.

What makes 5G special compared to previous generations of mobile networks? It comes down to the differences in speed, latency, and bandwidth. 5G can be significantly faster than 4G, delivering speeds up to 10 Gigabits-per-second, while 4G tops out at 100 Megabits-per-second. Practically, 5G will allow us to download a high-resolution movie in 6 seconds at its peak download speeds. It will also essentially eliminate latency, enabling virtual interactions and conversations to be closer to real life.

More importantly, this will enable real-time remote control of automated processes (in industrial or smart city environments, for instance) that involve sensors and smart devices. Furthermore, 5G comes with increased bandwidth, which allows for greater optimisation of network traffic and smooth handling of usage spikes. We will experience seamless connectivity even in crowded areas, such as concert halls and stadiums. 5G will allow billions (if not trillions) of smart devices around the world to connect and interact among themselves, and with us.

The infrastructure of 5G will look significantly different from past generations. 5G network infrastructure allows signal processing power to be moved away from transmitting ends and further into the cloud. Essentially, 5G networks can be virtualised and will open up wider market competition, as this virtualisation enables the use of end-equipments that are less technologically advanced and software solutions to operate a network. The market for 5G network infrastructure will include not only traditional telecom equipment vendors (e.g. Huawei and Ericsson), but also software-based companies such as Rakuten and Microsoft.

5G virtualisation

Benefits