RF Lens-Embedded Massive MIMO Systems: Fabrication Issues and Codebook Design

Taehoon Kwon, Yeon Geun Lim, Byung Wook Min, Chan Byoung Chae

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

In this paper, we investigate a radio frequency (RF) lens-embedded massive multiple-input multiple-output (MIMO) system and evaluate the system performance of limited feedback by utilizing a technique for generating a suitable codebook for the system. We fabricate an RF lens that operates on a 77-GHz (millimeter-wave) band. Experimental results show a proper value of amplitude gain and an appropriate focusing property. In addition, using a simple numerical technique - beam propagation method - we estimate the power profile of the RF lens and verify its accordance with experimental results. We also design a codebook - multivariance codebook quantization - for limited feedback by considering the characteristics of the RF lens antenna for massive MIMO systems. Numerical results confirm that the proposed system shows significant performance enhancement over a conventional massive MIMO system without an RF lens.

Original languageEnglish
Article number7499871
Pages (from-to)2256-2271
Number of pages16
JournalIEEE Transactions on Microwave Theory and Techniques
Volume64
Issue number7
DOIs
Publication statusPublished - 2016 Jul

Fingerprint

MIMO (control systems)
Lenses
radio frequencies
lenses
Fabrication
fabrication
lens antennas
Lens antennas
Feedback
Beam propagation method
Millimeter waves
millimeter waves
propagation
augmentation
estimates
profiles

All Science Journal Classification (ASJC) codes

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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abstract = "In this paper, we investigate a radio frequency (RF) lens-embedded massive multiple-input multiple-output (MIMO) system and evaluate the system performance of limited feedback by utilizing a technique for generating a suitable codebook for the system. We fabricate an RF lens that operates on a 77-GHz (millimeter-wave) band. Experimental results show a proper value of amplitude gain and an appropriate focusing property. In addition, using a simple numerical technique - beam propagation method - we estimate the power profile of the RF lens and verify its accordance with experimental results. We also design a codebook - multivariance codebook quantization - for limited feedback by considering the characteristics of the RF lens antenna for massive MIMO systems. Numerical results confirm that the proposed system shows significant performance enhancement over a conventional massive MIMO system without an RF lens.",
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RF Lens-Embedded Massive MIMO Systems : Fabrication Issues and Codebook Design. / Kwon, Taehoon; Lim, Yeon Geun; Min, Byung Wook; Chae, Chan Byoung.

In: IEEE Transactions on Microwave Theory and Techniques, Vol. 64, No. 7, 7499871, 07.2016, p. 2256-2271.

Research output: Contribution to journalArticle

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