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Quad-Port Multiservice Diversity Antenna for Automotive Applications.

Lekha Kannappan¹, Sandeep Kumar Palaniswamy¹, Lulu Wang²

¹Department of Electronics and Communication Engineering, SRM Institute of Science and Technology, Chennai 603203, India.

Sensors (Basel, Switzerland)

|December 28, 2021

Summary

This summary is machine-generated.

This study presents a quad-element multiple-input-multiple-output (MIMO) antenna for ultra-wideband applications. The designed antenna demonstrates reliable performance in automotive environments, suitable for intelligent transport systems.

Keywords:

MIMO antenna diversity monopole vehicular communication

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Area of Science:

Electrical Engineering
Electromagnetics
Antenna Theory

Background:

Multiple-Input-Multiple-Output (MIMO) antennas are crucial for modern wireless communication systems.
Ultra-Wideband (UWB) technology offers high data rates and efficient spectrum utilization.
Automotive environments present unique challenges for antenna performance due to complex electromagnetic interactions.

Purpose of the Study:

To design and characterize a quad-element MIMO antenna with UWB performance.
To investigate the antenna's resonance characteristics and radiation patterns.
To evaluate the antenna's reliability and performance within an automotive housing environment.

Main Methods:

A quad-element MIMO antenna was designed using four orthogonally arranged microstrip line-fed hexagonal monopole radiators.
E-shaped and G-shaped stubs were incorporated into the radiators to introduce additional resonant frequencies.
Simulations and measurements were performed to analyze antenna parameters, including S-parameters, radiation patterns, and efficiency.
The impact of automotive housing effects on antenna performance was assessed.

Main Results:

The proposed antenna achieved ultra-wideband performance.
Additional resonances were successfully introduced at 1.5 GHz and 2.45 GHz using E-shaped and G-shaped stubs.
The antenna demonstrated consistent performance even in the presence of large metallic objects within the automotive housing.
The realized gain and radiation efficiency remained stable across the operating bandwidth.

Conclusions:

The developed quad-element MIMO antenna exhibits promising UWB characteristics.
The antenna's robust performance in simulated automotive environments highlights its suitability for vehicular communication.
The design has significant potential for various automotive applications, including vehicle-to-vehicle and vehicle-to-infrastructure communication systems.