An Ultra Compact Dual-Polarised UWB MIMO Antenna with meandered Feeding Lines

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

Research output: Contribution to journalArticlepeer-review

47 Citations (Scopus)


An ultra-compact dual-polarised ultra-wideband multi-input multi-output antenna made with a single-shared-radiating element and two meandered feeding lines are proposed. Miniaturisation is achieved by using a combination of techniques, including a resonant stub connected to the ground through which shorts the excessive coupled energy before it reaches the other port and minimises coupling, slots etched in the radiator that also help minimise mutual coupling, while the meandered lines allow to bring the antenna closer to the greatly reduce the overall size of the antenna. Slots etched in the radiator and the use of a stub connected to the ground through, help to minimise the mutual coupling. The formation of orthogonal surface currents provides the necessary dual polarisation. Simulated and measured results demonstrate the wideband impedance matching, low mutual coupling and low envelope correlation coefficient. This antenna has an extremely compact size (22 × 24.3 mm2, including the ground plane) that makes it an excellent candidate for portable and handheld devices.
Original languageEnglish
Pages (from-to)997-1002
JournalIET Microwaves, Antennas and Propagation
Issue number7
Early online date8 Feb 2017
Publication statusPublished - 1 Jun 2017


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