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A Study on Improved Isolation of Indoor Repeating Antenna using Metamaterial Absorber for WCDMA System

  • Kim, Hyoungjun ;
  • Moon, Yong ;
  • Seo, Chulhun
  • Received : 2013.03.15
  • Accepted : 2013.04.28
  • Published : 2013.07.01

Abstract

This paper proposes a novel design for a compact, high-isolation WCDMA indoor repeater antenna. The proposed antenna consists of a patch antenna and metamaterial absorber. The required WCDMA bandwidth is obtained by utilizing the coupling between the main and the parasitic patches. In addition, high isolation is achieved using the metamaterial absorber, which has an absorption of about 98% at 2.1 GHz. Overall, the proposed antenna has a gain of over 7 dBi, a Voltage Standing Wave Ratio (VSWR) of less than 2, more than 85 dB of isolation between the service and donor antennas over the WCDMA band and a total volume of the proposed antenna only $70mm{\times}70mm{\times}43.8mm$.

Keywords

Absorber;Antenna;Isolation enhancement;Metamaterial;WCDMA indoor repeater

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Cited by

  1. Reduction of the spatially mutual coupling between dual-polarized patch antennas using coupled metamaterial slabs vol.6, pp.1, 2016, https://doi.org/10.1038/srep30288

Acknowledgement

Supported by : Korea Institute of Energy Technology Evaluation and Planning (KETEP), National Research Foundation of Korea (NRF)