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"Design of Integrated 5G Chip-set with Microstrips Modules for Mobile Communications with Its Integration in MMIC Course"

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2023 ASEE Annual Conference & Exposition


Baltimore , Maryland

Publication Date

June 25, 2023

Start Date

June 25, 2023

End Date

June 28, 2023

Conference Session

Student Projects in Physics Education, Engineering Physics and Physics Division (EP2D) Technical Session 2

Tagged Division

Engineering Physics and Physics Division (EP2D)

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Paper Authors


Kanti Prasad University of Massachusetts, Lowell

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Dr. Kanti Prasad is an emeritus professor since 1/1/2023 in the department of Electrical and Computer Engineering and is the founding Director of Microelectronics/VLSI Technology program at UMass Lowell. He holds his Ph.D. from University of South Carolina. He is a registered Professional Engineer, P.E., in the State of Commonwealth of Massachusetts. He has been a senior member of IEEE since 1980. He is the ASEE’s campus representative at the James B. Francis College of Engineering since 1992. ASEE presented the Best National Campus Representative award to him in 1999-2000 for Recruiting the Highest Percentage of New Members. He has also been awarded the Best ZONE1 Campus Representative by ASEE 12+ times over the years for STIMULATING INTEREST AMONG FACULTY. He was
Introduced in the ASEE’s Academy of Fellows in 2012 based on his excellence in teaching, research, and service to the ASEE. His name is inscribed at the ASEE’s Wall of Fame for Individual Membership with more than 25 years of Continuous Service, which was presented at the National Conference in 2018 held in Salt Lake City. He is promoting ASEE in India especially, recruiting deemed institutions for membership and writing a book on Circuit Theory with Applications. He has been the Graduate Semiconductor/VLSI Certificate Coordinator for the ECE Department since 1992. Dr. Prasad has developed and/or taught over 30+ Courses (List attached) at the University of Massachusetts of Lowell. He has Teaching and Industrial experience of 50+ years. He is the author of over 250 theses, dissertations and papers published and in refereed journals and/or presented in refereed conferences of national and international repute.

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With the surge in global usage of internet in smartphones, so has the need for extra Bandwidth requirements with simultaneous shared antenna capabilities for multi-channel video streaming and data speeds up surged. In order to meet design specifications two different ECADs namely ADS and AWR were used based on the High Frequency Engineering Design requirement and to obtain accurate RF results. A comprehensive design of RF Wilkinson Power Divider (WPD) incorporating microstrip lines in two-sectional configuration including EM model testing for device modeling, using RF test bench consisting of Fitted and Discrete frequency interpolation points have been carried out. Receiver (RX) System modeling results using 1-tone, 2-tone and 3-tone RF signals are meticulously presented along with analytical results for RX System analysis and synthesis. Exhaustive simulations have been carried out in all cases along with comparisons using ADS as the primary software tool. During these investigations the theoretical and simulation results are found to be in good agreement at System level, including design validation and modeling of the integrated RX module. The design of Bandpass Filters (BPF), Quadrature (90°) Hybrid Branch Line Coupler (BLC) incorporating microstrips and a 3 dB filter in four port network configuration has been carried out. It incorporates the EM model for device modeling, using Full-wave analysis consisting of Fitted and Discrete frequency interpolation points. Comprehensive RF Budget Power Analysis and Optimizations of Radio Link with the modeling results achieved by Small and Large Signal analysis are meticulously presented. During the investigations carried out using the ADS Harmonic Balance tool for Noise control, the hypothetical simulation results are found to be in good agreement at System level. These include design validation and modeling effects of the integrated RX System Front End module for 5G Communications. An introduction to establish a common level of knowledge and project advancement at System level platform is also addressed. Frequency response definitions of conventional BPF for 3rd order Chebyshev type – I filter approximations are discussed. In the end, the derivation of S-parameters matrix for the BLC carried out using the well-known Even-Odd mode network analysis is presented. During the 5G investigations, eight modules have been built mostly based on the Fundamentals of Physics, Semiconductors and Circuit Theory including the Patch Antennas, BPF, Couplers, Transmitter (TX), RX and Switches etc. The Switch between the Antenna and TX and/or RX must be equipped to handle high power when connected to the TX, and LO-Power when connected to the RX. In order to meet these requirements, the p-i-n diodes with forward and reverse biases have been used, respectively. Its Phase shifting capability is deployed while designing the Antenna. The Varactor diode is used in designing wideband BPF because the diode resonates at frequencies at the application of different reverse biased modes. All principles of Device Physics, Semiconductor Fundamentals and Circuit Theory are integrated in the Author’s MMIC Design and Fabrication Course.

Prasad, K. (2023, June), "Design of Integrated 5G Chip-set with Microstrips Modules for Mobile Communications with Its Integration in MMIC Course" Paper presented at 2023 ASEE Annual Conference & Exposition, Baltimore , Maryland. 10.18260/1-2--42306

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