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A 5G NR FR2 Beamforming System with Integrated Transceiver Module.

Ayush Bhatta1, Md Kamrojjaman1, Sanghoon Sim2

  • 1Department of Electronic Engineering, Kwangwoon University, Seoul 01897, Republic of Korea.

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|March 28, 2024
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Summary
This summary is machine-generated.

This study introduces an 8Tx-8Rx 5G new radio (NR) FR2 beamforming system with an integrated transceiver. The system achieves real-time wireless video transmission at 28 GHz with precise beam steering.

Keywords:
5GRFICbeamforming systemmm-wavephased arraytransceivers

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Area of Science:

  • Electrical Engineering
  • Wireless Communications
  • Antenna Theory

Background:

  • 5G New Radio (NR) technology requires advanced beamforming for efficient millimeter-wave communication.
  • Existing systems face challenges in integration, flexibility, and real-time performance.
  • The FR2 band (24.25–52.6 GHz) presents opportunities and challenges for high-speed wireless data transmission.

Purpose of the Study:

  • To present an integrated 5G NR FR2 beamforming system with a transceiver module.
  • To demonstrate enhanced flexibility and real-time operating capabilities.
  • To validate the system's performance for high-frequency wireless communication.

Main Methods:

  • Development of an 8Tx-8Rx RF beamforming system integrating a transceiver module.
  • Utilization of a series-fed 8x7 microstrip antenna array for compact size and directivity.
  • Incorporation of a custom 28 GHz, eight-channel fully differential beamforming IC (BFIC).
  • Real-time wireless video transmission/reception tests at 28 GHz.

Main Results:

  • Simultaneous 8Tx-8Rx operation achieved.
  • Horizontal beam scanning from -50° to +50° with 10° steps.
  • Transmit and receive conversion gain of approximately 20 dB.
  • Successful real-time, uninterrupted wireless video transmission within a ±50° range.

Conclusions:

  • The integrated RF beamforming system offers enhanced flexibility and capability for 5G NR FR2 applications.
  • The system demonstrates precise beam steering and efficient real-time data transmission at 28 GHz.
  • The proposed design is suitable for high-density antenna arrays and improved beam steering precision.