IRKUTSK NATIONAL RESEARCH TECHNICAL UNIVERSITY 5G and 4G communication technologies Filippova Alice Student of LBCB-23-2 group, Baikal School of BRICS email: aliscka.filippova@yandex.ru WhatsApp: 89501011515 2 Outline of the presentation 5G and 4G are mobile communication technologies that have revolutionized the way we connect and communicate wirelessly. The objectives of this presentation are to 1. Provide an overview of the evolution of mobile communication technologies leading up to the development of 4G and the subsequent transition to 5G. 2. Explain the features, advantages, and challenges of 4G technology. 3. Discuss the introduction of 5G, its key features, and its potential applications. 4. Explain the mechanism of operation of mobile communication technology 5. Foster a deeper understanding of the differences between 4G and 5G and their respective roles in the future of mobile communication. 3 The evolution of mobile communication technologies 1G 2G 3G 1980s 1990s GSM 2000s UMTS 4G the late 2000s LTE 5G 2010s MIMO 4 The features, advantages, and challenges of 4G technology. 4G technology, or the fourth generation of wireless communication, brought several features and advantages that significantly improved our digital experiences. Advantages: 1) 2) 3) 4) 5) Faster Data Transfer Improved Multimedia Experiences Enhanced Network Coverage Lower Latency App Ecosystem Development Challenges: 1) 2) 3) 4) Infrastructure Upgrades Spectrum Utilization Battery Life Network Congestion 5 Introduction of 5G Key Features: 1) Enhanced Speed and Capacity: peak download speeds of up to 10 Gbps, 4K and 8K videos, efficient data transmission in real time. 2) Low Latency and High Responsiveness: VR, AR 3) Massive IoT Connectivity 4) Network Slicing Potential Applications: 1) 2) 3) 4) 5) Autonomous Vehicles Smart Cities: 5G can r Healthcare and Telemedicine Industrial Automation Enhanced Entertainment and Gaming 6 The differences between 4G and 5G Speed and Capacity 4G Download speeds 100 Mbps. Upload speeds 50 Mbps. Sufficient for most everyday tasks. May face congestion and slower speeds 5G Download speeds several Gbps. Upload speeds 1 Gbps. Near-instantaneous downloads, ultra-HD video streaming, real-time gaming. IoT and smart cities Latency Around 30-50 ms. Can introduce slight delays in certain real-time activities Less than 10 ms (autonomous vehicles, remote surgery, VR) Network Capacity and Density Have limited capacity and struggle to handle a large number of connected devices in densely populated areas Are designed to handle a massive number of devices per square kilometer (MIMO) Spectrum Sub-6 GHz frequency bands In both sub-6 GHz frequency bands and mmWave frequencies 7 How does it work? Mobile communication technology refers to the technology used to enable wireless communication between mobile devices over a cellular network. The mechanism of operation of mobile communication technology involves several key components and processes. Here's an overview: 8 Conclusion • The transition from 1G to 5G has leaded to faster and more reliable wireless connectivity and unlocking a new era of possibilities. • 4G technology revolutionized mobile communication. The challenges highlighted the need for more advanced technologies like 5G. • 5G technology empower innovation, efficiency, and connectivity in our increasingly digital world. • 4G networks have played a crucial role in the development of mobile communications. 5G will enable innovative services and define the future of mobile communications.