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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2019-06-21
Single Layer, Dual Polarized, 2.4 GHz Patch Antenna with Very High RF Isolation Between DC Isolated Tx-Rx Ports for Full Duplex Radio
By
Haq Nawaz,

    Dr. Haq Nawaz

    Electronics Engineering

    University of Engineering and Technology (UET) Taxila, Sub-Campus Chakwal

    Pakistan

    Homepage

Muhammad Abdul Basit

    Dr. Muhammad Abdul Basit

    Department of Telecommunication Engineering

    University of Engineering and Technology Taxila

    Pakistan

    Homepage

Progress In Electromagnetics Research Letters, Vol. 85, 65-72, 2019
doi:10.2528/PIERL19032806 | Google Scholar

Abstract
This paper presents a single layer, dual polarized 2.4 GHz microstrip patch antenna based on monostatic radiator. Microstrip-T (MS-T) feeds have been used for DC isolated Tx-Rx ports. It deploys differential feeding for receive mode operation to achieve high interport RF isolation. The differential feeding acts as a signal inversion technique to suppress the in-band self interference (SI) for simultaneous transmit and receive (STAR) operation at same frequency. The implemented single layer, dual polarized, compact patch antenna provides better than 78 dB isolation between DC isolated Tx- Rx ports at centre frequency of 2.393 GHz. Moreover, the implemented antenna achieves better than 64 dB interport isolation for 10 sdB-return loss bandwidth of 50 MHz (2.37 GHz to 2.42 GHz). The measured interport RF isolation is around 70 dB for 25 MHz bandwidth (2.385 GHz to 2.41 GHz). To the best of our knowledge, these are the highest levels of RF isolation reported for single layer, dual polarized microstrip patch antenna with DC isolated ports.
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Citation
Haq Nawaz, and Muhammad Abdul Basit, "Single Layer, Dual Polarized, 2.4 GHz Patch Antenna with Very High RF Isolation Between DC Isolated Tx-Rx Ports for Full Duplex Radio," Progress In Electromagnetics Research Letters, Vol. 85, 65-72, 2019.
doi:10.2528/PIERL19032806
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