Osman, Mohamed Nasrun and Abdul Rahim, M. K. and Hamid, Mohamad Rijal and Mohd. Yusoff, Mohd. Fairus and A. Majid, Huda (2016) Compact dual-port polarization-reconfigurable antenna with high isolations for MIMO application. IEEE Antennas and Wireless Propagation Letters, 15 . pp. 456-459. ISSN 1536-1225
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Abstract
This letter proposes the design of a dual-port microstrip patch antenna with polarization reconfigurability features. The reconfigurability is realized through the modification of the feed network. The antenna consists of a circular-shaped patch on the upper substrate as a radiating element, and a coplanar-waveguide (CPW) slotline transmission located in the ground plane. To obtain a good impedance matching, the CPW slotline is terminated with a tapered impedance transformer. Dual ports are constructed by utilizing the CPW feeding structure and the odd and even feedline modes of the CPW. Four p-i-n diodes are used as switches to alter the flow of the current. The p-i-n diodes are placed on the CPW transmission slotline interjunction. Consequently, the excited polarization can be altered and determined, depending on the switch configurations. This antenna demonstrates good port-to-port isolation and a compact structure and is suitable to be used in systems that operate in a wireless local area network (WLAN) frequency band.
Item Type: | Article |
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Uncontrolled Keywords: | Antenna grounds, Coplanar waveguides, Frequency bands, Local area networks, Microstrip antennas, Polarization, Slot antennas, Waveguides, Wireless local area networks (WLAN), Coplanar wave-guide (CPW), Feeding networks, Impedance transformers, isolation, Micro-strip patch antennas, Port-to-port isolation, Reconfigurability, Reconfigurable antenna, Antenna feeders |
Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
Divisions: | Electrical Engineering |
ID Code: | 71252 |
Deposited By: | Siti Nor Hashidah Zakaria |
Deposited On: | 15 Nov 2017 04:47 |
Last Modified: | 15 Nov 2017 04:47 |
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