Vol. 85

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2018-06-24

Miniaturized Beam-Switching Array Antenna with MIMO Direct Conversion Transceiver (MIMO-DCT) System for LTE and Wireless Communication Applications

By Yasser M. Madany, Roshdy A. Abdelrassoul, and Nahla Mohamed
Progress In Electromagnetics Research C, Vol. 85, 9-23, 2018
doi:10.2528/PIERC18051002

Abstract

Due to the increase in the data rates for modern wireless communications and recent generation standards, the switched beam approach and multiple-input multiple-output (MIMO) direct conversion transceiver (MIMO-DCT) have become promising techniques to satisfy these requirements. The combining of switched beam and MIMO-DCT through the use of multiple antenna elements has been investigated to overcome the high complexity and high spatial directivity of the conventional system. In this paper, a low cost miniaturized beam-switching array antenna with a MIMO-DCT system has been proposed, designed and analysed. The entire proposed system structure has two design stages. The first is the design of MIMO-DCT via the integration of microstrip antenna element, hybrid coupler, Wilkinson power divider and single-pole double-throw (SPDT) transmitter/receiver (T/R) switch. The second has the switched beam array antenna design using a Butler matrix feeding network and four distributed subarrays (DSs) of the MIMO-DCT. The entire proposed design structure components have been optimized using a commercial software to evaluate each component and meet the desired performance. The final proposed two-stage design has been fabricated, integrated, and the radiation characteristics have been demonstrated, using the Agilent FieldFox network analyser, to meet the requirements for LTE and wireless communication applications.

Citation


Yasser M. Madany, Roshdy A. Abdelrassoul, and Nahla Mohamed, "Miniaturized Beam-Switching Array Antenna with MIMO Direct Conversion Transceiver (MIMO-DCT) System for LTE and Wireless Communication Applications," Progress In Electromagnetics Research C, Vol. 85, 9-23, 2018.
doi:10.2528/PIERC18051002
http://jpier.org/PIERC/pier.php?paper=18051002

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