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2017-10-17

Eight-Element Antenna Array at 3.5 GHz for MIMO Wireless Application

By Mujeeb Abdullah, Yong-Ling Ban, Kai Kang, Ming-Yang Li, and Muhammad Amin
Progress In Electromagnetics Research C, Vol. 78, 209-216, 2017
doi:10.2528/PIERC17082308

Abstract

A multiple-input-multiple-output (MIMO) antenna array with eight printed coplanar waveguide (CPW)-fed monopole antennas operating at 3.5 GHz (3.4-3.6 GHz) is presented. Each antenna is an Inverted-L (IL) monopole surrounded by a parasitic IL-shorted stripe and attains compact configuration. Both the IL-monopole and parasitic IL-shorted stripe contribute their fundamental resonant modes to operate in the desired frequency band. The neutralization line (NL) and ground middle slot are used for decoupling the antenna elements in the array. The measurement results for the prototype reasonably agree with electromagnetic simulations. Measured results for the proposed MIMO antenna array demonstrate that it has impedance bandwidth more than 200 MHz with (S11 < 6 dB), and with effective antenna decoupling mechanism the mutual coupling is better than 10 dB for the required band (3.4-3.6 GHz). In addition, envelope correlation coefficient (ECC) for the proposed MIMO antenna array is less than 0.2 for any two antennas to realize independent prorogation path for a channel. The average channel capacity of the proposed MIMO antenna array is approximately 35 to 38 bps/Hz for a reference signal to noise ratio (SNR) of 20 dB.

Citation


Mujeeb Abdullah, Yong-Ling Ban, Kai Kang, Ming-Yang Li, and Muhammad Amin, "Eight-Element Antenna Array at 3.5 GHz for MIMO Wireless Application," Progress In Electromagnetics Research C, Vol. 78, 209-216, 2017.
doi:10.2528/PIERC17082308
http://jpier.org/PIERC/pier.php?paper=17082308

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