Challenges, Design, and Innovations in mmWave Antennas for 6G and beyond Wireless Systems: A Survey
DOI:
https://doi.org/10.64882/ijrt.v14.iS1.1123Keywords:
6G, mmWave, antenna array, metamaterials, defected ground structure, antenna-in-package (AiP), LCP, ISAC, ultra-wide band, MIMOAbstract
Millimeter-wave (mmWave) bands i.e.30 GHz to 300 GHz is the key for 6G wireless systems, that offers ultra-wide bandwidths, low latency and very high data rates. However, the design of mmWave antennas have many challenges like propagation losses, beamforming, cost, efficiency, size and many more. This paper is a survey that focusses on mmWave antenna design, design approaches to overcome challenges in antenna design and some simulation results for mmWave antenna design. There are various approaches for antenna design like using metamaterials/ metasurfaces, defected ground structures (DGS) and antenna-in-package (AiP) technology to realize a compact antenna array with high gain, wide bandwidth and reconfigurable beam-steering functionalities.
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