Lecture

Wireless Communication Technologies: OFDMA and 5G

In course

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Description

This lecture covers the principles of wireless communication technologies, focusing on Orthogonal Frequency Division Multiple Access (OFDMA) and its application in WiFi 6 and 5G networks. It begins with an introduction to OFDMA, explaining how it assigns different subcarriers to users, enhancing efficiency compared to traditional methods. The lecture then delves into WiFi standards, particularly CSMA/CA, and contrasts the medium access methods of various WiFi generations. The discussion progresses to the architecture of cellular networks, highlighting the evolution from 2G to 4G and the introduction of 5G. Key features of 5G, including its architecture, spectrum utilization, and the role of massive MIMO technology, are examined. The lecture concludes with insights into the future of wireless communication, emphasizing the importance of diverse spectrum management and the potential of 5G to transform various industries through enhanced connectivity and innovative applications.

Official source

https://mediaspace.epfl.ch/media/0_q70dze79

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Ontological neighbourhood

Electrical engineering

Telecommunications: Wireless communication

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