Synthesis of Quasi-Modular Circularly Polarized 5G Base Station Antenna Arrays Based on Irregular Clustering and Sequential Rotation

Y. Aslan, J. Puskely, A.G. Roederer, Alexander Yarovoy

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Abstract

An unconventional, yet quasi-modular base station phased array architecture synthesis technique is proposed for multiuser fifth-generation applications. By keeping uniform amplitudes and linearly progressing phases at the elements of an optimal irregular array, power-efficient side lobe suppression is achieved for effective inter-user interference mitigation. The layout irregularity is achieved within a slice of an array, which is repeated rotationally. The sequential rotation technique is applied to obtain modularity and improve the circular polarization characteristics. A modified k-means clustering algorithm is used to form the optimal subarrays. The simulation results indicate that the proposed quasi-modular topologies provide a good compromise between the side lobe performance and integrated array design complexity.

Original languageEnglish
Number of pages8
JournalMicrowave & Optical Technology Letters
DOIs
Publication statusPublished - 2020

Keywords

  • antenna optimization
  • clustered arrays
  • fifth-generation
  • irregular architectures
  • sequential rotation

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