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Future Beyond 5G (B5G) and 6G wireless networks require advanced physical-layer technologies to meet demands beyond 2030. This research explores innovations like massive MIMO and AI for superior performance and efficiency.

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Area of Science:

  • Wireless Communication
  • Telecommunications Engineering
  • Signal Processing

Background:

  • Fifth-generation (5G) networks face limitations in latency, bandwidth, and traffic density for future demands beyond 2030.
  • Next-generation wireless networks, termed Beyond 5G (B5G)/6G, are essential to achieve superior performance metrics.

Discussion:

  • This Special Issue focuses on novel physical-layer technologies crucial for B5G/6G network evolution.
  • Key areas include non-orthogonal multiple access, massive MIMO, energy harvesting, and AI/ML integration.
  • Exploration of millimeter-wave bands, device-to-device communication, and hybrid satellite-terrestrial relays is presented.

Key Insights:

  • Innovations in physical-layer technologies are vital for achieving ultralow latency, ultrahigh reliability, and massive connectivity.
  • Techniques such as MIMO antenna design, interference management, and hybrid precoding are investigated.
  • Performance improvements are analyzed using metrics like bit error rate, spectrum efficiency, and energy efficiency.

Outlook:

  • The research highlights the potential of advanced physical-layer solutions to enable the capabilities of B5G/6G networks.
  • Future wireless systems will benefit from enhanced intelligence, security, and global coverage.
  • Continued research in these areas will drive the development of next-generation communication systems.