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A compact slot MIMO antenna for smartphones with metal housing

Author

Listed:
  • Di Wu
  • Xiaoxue Hua
  • Sing Wai Cheung
  • Bo Wang
  • Min Li
  • Bing Xiao

Abstract

A compact slot multiple-input multiple-output Antenna (CSMA) for smartphones with metal housing is proposed in this paper. The antenna has a slot radiator shared between two input ports and a T-shaped defect-ground slot (DGS) for decoupling. A function for selecting the best dimensions of the DGS for optimum decoupling is derived using the transmission theory. The CSMA antenna is designed using simulation to operate in the 2.4-GHz wireless-area-network (WLAN) system and then fabricated for measurement. Measured results show that the antenna has an impedance bandwidth (IMBW) of 2.4–2.48 GHz, mutual coupling from −19 to −29 dB and envelope-correlation coefficient (ECC) below 0.0867 within the IMBW. The antenna is very easy to fabricate and is a potential candidate for the MIMO smartphones antennas with metal housing.

Suggested Citation

  • Di Wu & Xiaoxue Hua & Sing Wai Cheung & Bo Wang & Min Li & Bing Xiao, 2018. "A compact slot MIMO antenna for smartphones with metal housing," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 32(2), pages 204-214, January.
    • Handle: RePEc:taf:tewaxx:v:32:y:2018:i:2:p:204-214
    DOI: 10.1080/09205071.2017.1374883
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