April 2025
Intermediate to advanced
480 pages
12h 39m
English
book
Next-Generation Systems and Secure Computing
by Subhabrata Barman, Santanu Koley, Subhankar Joardar
Content preview from Next-Generation Systems and Secure Computing
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7A Novel Non-Orthogonal Multiple Access Scheme for Next Generation Millimeter-Wave 5G Communications
Udayakumar Easwaran1* and Krishnaveni Vellingiri2
1Dept. of ECE, KIT-Kalaignarkarunanidhi Institute of Technology, Coimbatore, Tamil Nadu, India
2Dept. of ECE, PSG College of Technology, Coimbatore, Tamil Nadu, India
Abstract
Wireless mobile communication systems are now essential; however, using the same spectrum for different applications is challenging. Fifth-generation (5G) networks represent the next phase in cellular communication with the aim of supporting a higher number of devices, ultrafast data rates, low latency, and improved reliability. Key drivers for 5G include the Internet of Things (IoT), machine-type communication, and applications requiring sporadic synchronization. This highlights the importance of NOMA, MIMO, and mmWave technologies in meeting high data rates, low latency, and device connectivity demands. The chapter also covers the NOMA performance in millimeter-wave 5G systems related to phase noise and interference. Additionally, this chapter introduces a novel decision-directed feedback (DD-FB) technique for channel estimation and pilot-symbol-assisted phase noise (PHN) compensation. DD-FB outperforms existing methods, even in scenarios with unknown channel frequency responses. Its adaptability is demonstrated by applying it to diverse PHN models, demonstrating its potential impact beyond traditional communication settings. In addition, it provides ...
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