# Antennas Analysis & Design

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# 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.

## Learning Outcomes

• . Design and analyze antenna arrays
. Design and analyze wire and aperture antennas
. Identify the characteristics of radio-wave propagation

## 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/
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 Design Analysis - Session 3

## Session 08

Antenna Design Analysis - Session 8

## Session 11

Antenna Design Analysis - Session 11

## Session 14

Aperture Antennas : Introduction, Field Equivalence Principle

## Session 15

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

Antenna Design Analysis - Session 15

## Session 17

Relation between wire and aperture antennas, Horn antenna design principle

Antenna Design Analysis - Session 17

## Session 22

Excitation Techniques, criteria for substrate selection, Radiation Mechanism

Antenna Design Analysis - Session 22

## 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

### 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 […]