This book provides a description of how smartphones communicate via 5G NR, Wi-Fi 6, and Bluetooth Low Energy 5, explaining how they allow mobile voice and high-speed data communication, Internet attachment, and attachment to speakers, in-car entertainment systems, and smart watches. It is of interest to anyone with a scientific understanding who desires to know more at an intuitive level.
Format: Hardback
Length: 182 pages
Publication date: 02 July 2023
Publisher: Springer International Publishing AG
Wireless Communications in Smartphones: A Comprehensive Overview
This book provides a comprehensive and accessible description of how wireless communications are achieved in the latest smartphones. The author delves into the three separate systems that enable smartphone connectivity: 5G NR, Wi-Fi 6, and Bluetooth Low Energy 5.
5G NR: Mobile Voice and High-Speed Data Communication
5G NR is a key technology that enables mobile voice and high-speed data communication. It operates on a wide range of frequencies, including low-band, mid-band, and high-band, and provides faster download and upload speeds than previous generations of cellular networks.
Wi-Fi 6: Internet Connectivity Independent of 5G NR
Wi-Fi 6 is a wireless networking standard that provides faster and more reliable internet connectivity than Wi-Fi 5. It operates on the 2.4 GHz and 5 GHz frequency bands and supports multiple devices simultaneously. Wi-Fi 6 also includes features such as beamforming, which improves signal strength and range, and OFDMA, which allows for more efficient use of bandwidth.
Bluetooth Low Energy 5: Attachment to Speakers, In-Car Entertainment Systems, and Smart Watches
Bluetooth Low Energy 5 is a low-power wireless technology that is used to connect smartphones to speakers, in-car entertainment systems, and smart watches. It operates on the 2.4 GHz frequency band and provides a low-latency, high-quality audio experience. Bluetooth Low Energy 5 also includes features such as low energy consumption and secure pairing.
Key Basic Technologies Employed
The author explains the key basic technologies employed in wireless communications in smartphones. These technologies include modulation, coding, and signal processing. Modulation is the process of converting a digital signal into a radio signal, while coding is the process of adding redundancy to the signal to ensure that it is received correctly. Signal processing is the process of processing the signal to improve its quality and reduce interference.
How Each System Operates
The author then addresses how each system operates. 5G NR operates on a wide range of frequencies, and it uses a combination of beamforming and OFDMA to improve signal strength and range. Wi-Fi 6 operates on the 2.4 GHz and 5 GHz frequency bands and uses beamforming and OFDMA to improve signal strength and range. Bluetooth Low Energy 5 operates on the 2.4 GHz frequency band and uses low energy consumption and secure pairing to connect smartphones to speakers, in-car entertainment systems, and smart watches.
Conclusion
This book is of interest to anyone with a rudimentary scientific understanding who desires to know more at an intuitive level rather than rigorous one how smartphones achieve wireless communications. It provides a comprehensive and accessible description of the key basic technologies employed and how each system operates. Whether you are a smartphone user or a technology enthusiast, this book will provide you with valuable insights into the world of wireless communications in smartphones.
Dimension: 235 x 155 (mm)
ISBN-13: 9783031338113
Edition number: 1st ed. 2023
