Antennas Analysis & Design

Teacher

Prabhat K. Patnaik

Category

Core Courses

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Course Name : Antennas Analysis & Design

Code(Credit) : CUTM1049(2-1-0)

Course Objectives

  • . To understand the theory and fundamentals of antenna design.. This course helps the students to learn key aspects of practical antenna design.

    . A broad range of antennas such as dipole, loop, microstrip patch, horn, smart etc are studied during the course.

Mapping COs with POs

COs Course outcomes Mapping COs with POs (High-3,Medium-2,Low-1)
CO1 Know and explain the physical concepts of radiation, radiation pattern, near- and far-field regions, reciprocity, directivity and gain, effective aperture, polarization, input impedance, efficiency, Friis transmission equation, and radiation integrals. PO1(3),PO2(2)
CO2 Differentiate and analyze the radiation characteristics of infinitesimal dipole, finite-length dipole, linear elements near conductors, and small circular loops. Evaluate polarization types, radiated fields, radiation resistance, and current distribution. PO4(3),PO5(3)
CO3 Apply Huygens' Principle and design rectangular and circular apertures. Utilize Babinet's principle for radiation from sectoral and pyramidal horns. Create and optimize designs for horn antennas and parabolic antennas. PO3(3),PO10(2)
CO4 Apply concepts of broadband antennas, including log-periodic antennas and frequency-independent antennas. Analyze antennas designed for satellite communication. Develop and simulate circular antennas for Ultra-Wideband (UWB) applications. PO3(3), PO4(3)
CO5 Design microstrip antennas considering basic characteristics, feeding methods, and analysis techniques. Develop and simulate rectangular and circular patch antennas. Create simulations for microstrip antenna arrays PO3(3), PO5(3), PO(9)

Course Syllabus


Module 1: Fundamental Concepts: (8 Hours)

Physical concept of radiation, Radiation pattern, near- and far-field regions, reciprocity, directivity and gain, effective aperture, polarization, input impedance, efficiency, Friis transmission equation, radiation integrals and auxiliary potential functions.

Module 2: Radiation from Wires and Loops: (7 Hours)

Infinitesimal dipole, finite-length dipole, linear elements near conductors, dipoles
for mobile communication, small circular loop. Polarization – Linear, Circular and Elliptical, Radiated Fields, Radiation resistance, Field regions & Directivity, Current distribution, Radiated Fields.

Practice: Design of Half wave Dipole Antenna

Practice: Design of Monopole Antenna

Module 3: Aperture Antennas:(4 Hours)

Huygens ’ Principle, radiation from rectangular and circular apertures, design considerations, Babinet’s principle, Radiation from sectoral and pyramidal horns, design concepts.

Practice: Design of Horn Antenna

Practice: Design of Parabolic Antenna

Module 4: Broadband Antennas: (3 Hours)
Broadband concept, Log-periodic antennas, frequency independent antennas, Antennas For Satellite communication.

Practice: Design of Circular antenna Simulation for UWB

Practice: Design of Log Periodic Dipole Antenna

Module 5: Microstrip Antennas: (3 Hours)
Basic characteristics of microstrip antennas, feeding methods, methods of analysis, design of rectangular and circular patch antennas.

Practice: Design of Microstrip Antenna Simulation

Practice: Design of Microstrip Antenna Array Simulation

Module 6: Antenna Arrays: (6 Hours)
Analysis of uniformly spaced arrays with uniform and non-uniform excitation amplitudes, extension to planar arrays.

Practice: Design of Helix Antenna Simulation

Module 7: Basic Concepts of Smart Antennas: (3 Hours)
Concept and benefits of smart antennas, fixed weight beamforming basics, Adaptive beamforming

Practice: Design of 5G phased array antenna design and beamforming\

Text Books:
1. C. A. Balanis, "Antenna Theory and Design", 3rd Ed., John Wiley & Sons., 2005.
2. W. L. Stutzman, and G. A. Thiele, "Antenna Theory and Design", 2nd Ed., John Wiley & Sons., 1998.

3. R. S. Elliot, "Antenna Theory and Design", Revised edition, Wiley-IEEE Press., 2003.

Reference Books:
1. G.S.N. Raju, “Antennas and Wave Propagation”, Person Education.

Source of reference;
1. https://volakis.eng.fiu.edu/teaching
2. https://www.udemy.com/course/horn-antennas-design-simulation-optimization/
3. https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-661-receivers-antennas-and-signals-spring-2003/lecture-notes/
4. https://nptel.ac.in/content/syllabus_pdf/117107035.pdf

John D Krauss Antennas Lecture 1 : https://www.youtube.com/watch?v=4nKRp7TzgBI

John D Krauss Antennas Lecture 2 : https://www.youtube.com/watch?v=k7QybBNW8H4

John D Krauss Lecture 3: https://www.youtube.com/watch?v=RlsFC2Mw9IM

Session 03

Antenna Parameters:Radiated Power, Radiation Pattern, Field Regions
Antenna Design Analysis - Session 3

Beam Forming: https://www.youtube.com/watch?v=lH5nqLfNVCA

Session 05

Session 08

Infinitesimal dipole: Radiation Zones,Total Radiated Power,Radiation Resistance, Directivity, Effective Area

Antenna Design Analysis - Session 8

Infinitesimal dipole: https://www.youtube.com/watch?v=MeDLPZswYVI&t=63s

Session 11

Finite Length Dipole: Radiated Power, Radiation Resistance, Directivity, Effective Area

Antenna Design Analysis - Session 11

Finite Length Dipole : https://www.youtube.com/watch?v=QWq5CAmIM98

Session 14

Aperture Antennas : Introduction, Field Equivalence Principle

Aperture Antennas : https://www.youtube.com/watch?v=Tn_vSyGMf5k

Session 15

Aperture Antennas: love's equivalence principle , electrical and magentic conductor equivalence principle

Antenna Design Analysis - Session 15

Aperture Antennas : https://www.youtube.com/watch?v=Tn_vSyGMf5k

Session 17

Relation between wire and aperture antennas, Horn antenna design principle

Antenna Design Analysis - Session 17

Horn Antenna Simulation : https://www.youtube.com/watch?v=f-bXup8o9Bg

Session 22

Excitation Techniques, criteria for substrate selection, Radiation Mechanism

Antenna Design Analysis - Session 22

Microstrip Radiation Pattern : https://www.youtube.com/watch?v=ass6FqU0NBs

Session 28

Example Problems, Pattern multiplication Concept

Antenna Design Analysis - Session 28

Session 29

N - Element Array; Uniform Array, Array Factor

Antenna Design Analysis - Session 29

Session 31

Directivity and Pattern Characteristics of linear uniform array

Antenna Design Analysis - Session 31

Our Main Teachers

Prabhat K. Patnaik

Asst. Professor in School of Engineering and Technology Department of ECE
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Prabhat K. Patnaik received a M.Tech. from Berhampur University in 2012 and B.Tech from Biju Patnaik University of Technology and Management in 2007.Presently he is working as Asst. Professor in Electronics and Communication Engineering Department at Centurion University of Technology and Management, Odisha, India. He has published 10 research articles. His current research includes digital […]