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Development of Split Ring Resonator Shaped Six Element 2 × 3 Multiple Input Multiple Output Antenna for the C/X/Ku/K
Meshari Alsharari1, Vishal Sorathiya2, Ammar Armghan1
1Department of Electrical Engineering. College of Engineering, Jouf University, Sakaka 72388, Saudi Arabia.
Micromachines
|July 8, 2023
Summary
This study presents a novel six-element multiple-input, multiple-output (MIMO) antenna for satellite communications. The ultrawideband antenna demonstrates excellent performance across C/X/Ku/K bands, suitable for multichannel transmission.
Area of Science:
- Electromagnetics and Antenna Theory
- Wireless Communication Systems
- Satellite Communication Technology
Background:
- Multiple-input, multiple-output (MIMO) antennas are crucial for enhancing wireless communication capacity.
- Optimizing antenna parameters is essential for achieving high performance in ultrawideband (UWB) systems.
- Satellite communication demands robust antennas capable of operating across multiple frequency bands.
Purpose of the Study:
- To numerically investigate and experimentally verify a six-element split ring resonator and circular patch-shaped MIMO antenna.
- To analyze key antenna parameters including reflectance, gain, directivity, VSWR, and electric field distribution.
- To evaluate parameters like envelope correlation coefficient (ECC) and channel capacity loss (CCL) for multichannel transmission.
Main Methods:
- Numerical simulations and experimental verification of the proposed MIMO antenna design.
- Analysis of antenna performance metrics such as return loss, gain, and VSWR across the 1-25 GHz band.
- Investigation of antenna characteristics with different ground patch configurations (continuous and scattered).
Main Results:
- The designed MIMO antenna achieves ultrawideband operation at 10.83 GHz with a return loss of -19 dB and gain of -28 dBi.
- Minimum return loss of -32.74 dB is observed within the 1.92 to 9.81 GHz band, yielding a bandwidth of 6.89 GHz.
- The antenna exhibits suitable parameter ranges for multichannel transmission capacity, confirmed through ECC, CCL, TARC, DG, and MEG analysis.
Conclusions:
- The proposed six-element MIMO antenna, featuring a split ring resonator and circular patch, is validated for UWB operation.
- The antenna's performance characteristics make it highly applicable for satellite communication systems operating in C/X/Ku/K bands.
- The study provides a foundation for developing advanced MIMO antennas for next-generation satellite communication.
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