This work presents the systematic design and optimization of a compact quad-element MIMO antenna system in a roof cavity for the expected channel behavior at a 700 MHz LTE band. Beginning with a standard low-profile antenna element, the desired radiation pattern is synthesized by structural modification. The configuration for a quad-element design is then optimized. The results show that the proposed hidden solution even outperforms a non-hidden reference antenna of four quarterwave-monopoles in the cavity, making it attractive for real application.
Original languageEnglish
Pages (from-to)2755-2759
Number of pages5
JournalIEEE Antennas and Wireless Propagation Letters
Issue number11
Early online date2023 Aug 6
Publication statusPublished - 2023 Nov

Subject classification (UKÄ)

  • Signal Processing
  • Telecommunications

Free keywords

  • MIMO systems
  • multiplexing efficiency
  • hidden antenna
  • monopole antennas
  • vehicular antenna


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