High-Performance Multiple-Input Multiple-Output Antenna System For 5G Mobile Terminals


Abdullah, Mujeeb and Kiani, Saad Hassan and Abdulrazak, Lway Faisal and Iqbal, Amjad and Bashir, M A and Khan, Shafiullah and Kim, Sunghwan (2019) High-Performance Multiple-Input Multiple-Output Antenna System For 5G Mobile Terminals. Electronics (Switzerland), 8 (10). p. 1090. ISSN 2079-9292

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In this paper, the systematic design of a multiple antenna system for 5G smartphone operating at 3.5 GHz for multiple-input multiple-output (MIMO) operation in smartphones is proposed. The smartphone is preferred to be lightweight, thin, and attractive, and as a result metal casings have become popular. Using conventional antennas, such as a patch antenna, Inverted-F antennas, or monopole, in proximity to metal casing leads to decreasing its total efficiency and bandwidth. Therefore, a slot antenna embedded in the metal casing can be helpful, with good performance regarding bandwidth and total efficiency. The proposed multiple antenna system adopted the unit open-end slot antenna fed by Inverted-L microstrip with tuning stub. The measured S-parameters results agree fairly with the numerical results. It attains 200 MHz bandwidth at 3.5 GHz with ports isolation of (≤−13 dB) for any two antennas of the system. The influence of the customer’s hand for the proposed multiple antenna system is also considered, and the MIMO channel capacity is computed. The maximum achievable MIMO channel capacity based on the measured result is 31.25 bps/Hz and is about 2.7 times of 2 × 2 MIMO operatio

Item Type: Article
Uncontrolled Keywords: Antenna
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication. Including telegraphy, telephone, radio, radar, television
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 08 May 2021 12:44
Last Modified: 08 May 2021 12:44
URII: http://shdl.mmu.edu.my/id/eprint/8679


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