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Revised_thesis_12-12-18.pdf (33.52 MB)

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Design of Multi-Beam Hybrid Digital Beamforming Receivers

Madishetty, Suresh
http://rave.ohiolink.edu/etdc/view?acc_num=akron1545178805415923

Abstract Details

2018, Master of Science in Engineering, University of Akron, Electrical Engineering.
This thesis discusses a detailed study of the design and performance analysis of patch antenna arrays at different frequencies. A linear hybrid array of 16 elements is built using patch antennas integrated with an RF front-end using commercial off-the-shelf (COTS) components. A well organized receiver chain that can work at a frequency in the range of 5 - 6 GHz is built using chip level components on a printed circuit board (PCB). This study mainly emphasizes the design and implementation of the comprehensive receiver beamforming systems using fast Fourier transform (FFT) algorithm and approximate - discrete Fourier transform (a-DFT). A low complexity 32-beam multi-beamformer at 5.8 GHz is designed, built and implemented in real time using optimized digital FPGA cores as the digital back-end which is collaborated work with Viduneth Ariyarathna. The emanating beams were measured and verifi ed using the FPGA - based 32-element 5.8 GHz array setup which can generate 120 MHz bandwidth per channel. The beams corresponding to the approximate DFT are in good agreement with the beams corresponding to the FFT with negligible error approximately less than -14 dB. This setup can be used as a test bed to measure and evaluate various signal processing algorithms up to 32 linear array elements.
Arjuna Madanayake, Dr (Advisor)
Nghi Tran, Dr (Committee Member)
Ryan Christopher Toonen , Dr (Committee Member)
136 p.
Computer Engineering; Electrical Engineering
Microstrip patch antennas; Antenna arrays; Hybrid Beamforming; 5 GHz beamforming system; 32 element beamforming receiver; fast Fourier transform; FFT; discrete Fourier transform; DFT; Receiver Chain; RF front-end PCB design; FPGA; A-DFT

Recommended Citations

Citations

  • Madishetty, S. (2018). Design of Multi-Beam Hybrid Digital Beamforming Receivers [Master's thesis, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1545178805415923

    APA Style (7th edition)

  • Madishetty, Suresh. Design of Multi-Beam Hybrid Digital Beamforming Receivers. 2018. University of Akron, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1545178805415923.

    MLA Style (8th edition)

  • Madishetty, Suresh. "Design of Multi-Beam Hybrid Digital Beamforming Receivers." Master's thesis, University of Akron, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1545178805415923

    Chicago Manual of Style (17th edition)

akron1545178805415923
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© 2018, all rights reserved.
This open access ETD is published by University of Akron and OhioLINK.