• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

A High-Isolation MIMO Antenna with Dual-Port Structure for 5G Mobile Phones

Vol. 12, No.4, April 30, 2018
10.3837/tiis.2018.04.004, Download Paper (Free):

Abstract

In this letter, a new dual-port Multiple-Input Multiple-Output (MIMO) antenna is introduced which has two independent signal feeding ports in a single antenna element to achieve smaller antenna volumes for the 5G mobile applications. The dual-port structure is implemented by adding a cross coupled semi-loop (CCSL) antenna as the secondary radiator to the ground short of inverted-F antenna (IFA). It is found that the port to port isolation is not deteriorated when an IFA and CCSL is combined to form a dual-port structure. The isolation property of the proposed antenna is compared with a polarization diversity based dual-port antenna proposed in the literature [9]. The operating frequency range is 3.3–4.0 GHz which is suitable for places where 4x4 MIMO systems are supposed to be deployed such as in China, EU, Korea and Japan at the band x (3.3 – 3.8GHz. The measured 6-dB impedance bandwidths of the proposed antennas are larger than 700 MHz with isolation between the feeding ports higher than 18 dB [1-2]. The simulation and measurement results show that the proposed antenna concept is a very promising alternative for 5G mobile applications.


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Cite this article

[IEEE Style]
Hyung-kyu Yang, Won-Woo Lee and Byung-Ho Rhee, "A High-Isolation MIMO Antenna with Dual-Port Structure for 5G Mobile Phones," KSII Transactions on Internet and Information Systems, vol. 12, no. 4, pp. 1458-1470, 2018. DOI: 10.3837/tiis.2018.04.004

[ACM Style]
Yang, H., Lee, W., and Rhee, B. 2018. A High-Isolation MIMO Antenna with Dual-Port Structure for 5G Mobile Phones. KSII Transactions on Internet and Information Systems, 12, 4, (2018), 1458-1470. DOI: 10.3837/tiis.2018.04.004