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3D Radiation Pattern Reconfigurable Phased Array for Transmission Angle Sensing in 5G Mobile Communication.

Jin Zhang1,2, Shuai Zhang3, Xianqi Lin4

  • 1School of Electronic Science and Engineering, University of Electronic Science Technology of China, Chengdu 611731, China. jzhang@es.aau.dk.

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Summary
This summary is machine-generated.

This study introduces a novel 3D reconfigurable antenna and phased array for 5G mobile communication at 28 GHz. These designs offer enhanced spatial coverage and beam switching capabilities for improved wireless performance.

Keywords:
5G mobile communicationphased arrayradiation pattern reconfigurable antennatransmission angle sensing

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Area of Science:

  • Electromagnetics and Wave Propagation
  • Antenna Theory and Design
  • Wireless Communication Systems

Background:

  • 5G mobile communication necessitates advanced antenna solutions for higher frequencies like 28 GHz.
  • Existing phased arrays often lack the flexibility for optimal angle detection in dynamic cellular environments.
  • Substrate Integrated Waveguide (SIW) feeding offers a compact and efficient solution for antenna arrays.

Purpose of the Study:

  • To propose a 3D radiation pattern reconfigurable antenna (RPRA) and a reconfigurable phased array (RPA) for 5G applications.
  • To enable efficient beam switching and spatial coverage in diverse wireless scenarios.
  • To develop antenna solutions compatible with mobile devices, requiring minimal ground plane clearance.

Main Methods:

  • Design and simulation of an RPRA with three switchable radiation modes (Broadside 1, Broadside 2, Endfire).
  • Development of an eight-element RPA using the RPRA, capable of azimuth beam switching and elevation scanning.
  • Implementation of beam switching using PIN diodes.
  • Utilizing Substrate Integrated Waveguide (SIW) for feeding the antenna and array.

Main Results:

  • The proposed RPRA and RPA demonstrate three distinct radiation patterns covering different azimuth areas.
  • The eight-element RPA achieves azimuth beam switching and elevation scanning, offering superior spatial coverage compared to conventional arrays.
  • The antenna and array designs exhibit planar structures compatible with mobile phones.
  • Simulations confirm good performance characteristics for both the RPRA and RPA.

Conclusions:

  • The developed RPRA and RPA are suitable for 5G mobile communication systems operating at 28 GHz.
  • The proposed phased array can effectively identify optimal transmitting-receiving angles in changing cellular environments.
  • The antenna and array designs present a promising solution for enhanced spatial coverage and mobile integration in future wireless networks.