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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.
Sensors (Basel, Switzerland)
|December 6, 2018
Summary
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.
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.
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