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Current Sheet Antenna Array and 5G: Challenges, Recent Trends, Developments, and Future Directions.

Sajjad Hussain1, Shi-Wei Qu2, Abu Bakar Sharif2,3

  • 1School of Physics, University of Electronic Science and Technology of China, Chengdu 611731, China.

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|May 20, 2022
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Summary
This summary is machine-generated.

Current sheet arrays (CSAs) offer ultra-wideband performance for fifth-generation (5G) communications by using controlled mutual coupling. This review explores CSA advancements for 5G and beyond, addressing bandwidth and scanning challenges.

Keywords:
5Gantenna arraycurrent sheet array (CSA)millimeter-waveultra-wideband (UWB)

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Area of Science:

  • Electrical Engineering and Applied Physics
  • Electromagnetics and Antennas
  • Wireless Communication Systems

Background:

  • Designing ultra-wideband antennas for 5G is challenging due to spectrum fragmentation.
  • Millimeter-wave bands are crucial for 5G and future applications, necessitating advanced antenna solutions.
  • Traditional antenna arrays face limitations in achieving the required bandwidth and performance for 5G.

Purpose of the Study:

  • To provide a comprehensive review of recent developments in current sheet array (CSA) antennas for 5G applications.
  • To analyze the wideband and wide-scan capabilities of CSA-based phased array antennas.
  • To discuss the significance of phased array antennas in 5G communication and identify future research directions.

Main Methods:

  • Review and analysis of existing literature on current sheet array antennas.
  • Discussion of CSA design principles, including capacitive coupling and controlled mutual coupling.
  • Evaluation of CSA performance for wideband and wide-scan operations in 5G contexts.

Main Results:

  • CSAs have evolved to achieve multiple octaves of bandwidth, overcoming limitations of traditional designs.
  • Controlled mutual coupling in CSAs enables enhanced performance for wideband and wide-scan requirements.
  • CSAs represent a significant advancement in phased array antenna technology for 5G and beyond.

Conclusions:

  • Current sheet arrays are a promising technology for meeting the demanding bandwidth and scanning requirements of 5G and future wireless systems.
  • Further research into CSA-based phased array antennas is essential to address current challenges and unlock future potential.
  • CSAs offer a viable solution for efficient spectrum utilization in the fragmented electromagnetic spectrum for 5G.