A Compact CSRR Enabled UWB MIMO Antenna

Muhammad Saeed Khan, Antonio-Daniele Capobianco, Sajid Asif, Dimitrios Anagnostou, Raed Shubair, Benjamin D. Braaten

Research output: Contribution to journalArticlepeer-review

151 Citations (Scopus)
172 Downloads (Pure)


The purpose of this paper is to introduce a compact Ultra-Wideband (UWB) diversity antenna with a very low Envelope Correlation Coefficient (ECC). The design employs a hybrid isolation enhancing and miniaturization technique. The antenna consists of two counter facing monopoles, and is miniaturized by using not only inverted-L stubs but also a Complementary Split Ring Resonator (CSRR) on the ground plane. The added components enhance isolation and enable tighter packing of the antennas. The result is a very compact MIMO array with an overall size of 23 x 29 mm2, that covers the entire UWB spectrum from 3 GHz to 12 GHz, with mutual coupling lower than-15 dB. Moreover, the CSRR unit that acts as a resonator is applied for the first time to suppress the interference of RF currents flowing through the ground plane of this UWB MIMO/diversity antenna. The performance of the fabricated prototype in terms of scattering parameters, broadside (peak) gain, radiation patterns, efficiency and envelope correlation coefficient is presented and discussed.

Original languageEnglish
Article number7557046
JournalIEEE Antennas and Wireless Propagation Letters
Early online date31 Aug 2016
Publication statusE-pub ahead of print - 31 Aug 2016


  • antenna arrays
  • Complementary split ring resonator (CSRR)
  • continuous spectrum
  • Filter
  • integrated components
  • monopole radiator
  • Multiple-Input-Multiple-Output (MIMO)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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