L T P C

15EC304 Antenna and Wave Propagation

3 0 0 3
Co-requisite: Nil
Prerequisite: 15EC207
Data Book /
Nil
Codes/Standards
Course Category P Professional Core Communication
Course designed by Department of Electronics and Communication Engineering
Approval 30th Academic Council Meeting, 24th March 2016

To explore fundamental theory together with techniques for the practical

Purpose
design, measurement and application of antennas over the radio-frequency
range.
Instructional Objectives Student Outcomes
At the end of the course, the learner will be able to H M L
1 Acquire knowledge about the various antenna parameters. e a
2 Enumerate the concept of antenna arrays and its radiation pattern. e a
3 Understand the basic working of antenna. e a b
4 Analyze the various methods involved in the measurement of
e a b
antenna parameters
5 Understand the radio wave propagation in the atmosphere. c
H-High Correlation, M-Medium Correlation, L-Low correlation

Contact C-D-
Session Description of Topic IOs Reference
hours I-O
Unit-I:Antenna Fundamentals and Radiations 9
1 Basic Antenna parameters, Antenna field zones 2 C,D 1 1,2
2 Antenna Reciprocity Theorems 1 C,D 1 1,2
3 Friis transmission equation 1 C,D 1 1,2
4 Radiation: Retarded potential 1 C 1 1,2
Far Field due to an alternating current element,
5 2 C,D 1 1,2,3
Power Radiated by a current element
Far field due to sinusoidal current distribution for
6 2 C,D 1 1,2,3
half wave dipole and Quarter wave monopole.
Unit-II:Antenna Arrays and Synthesis 9
7. Point source, Array of Two isotropic point sources 1 C,D 2 1,2
Non isotropic similar point sources and the
8. 2 C,D 2 1,2,4
principle of pattern multiplication.
Linear arrays of n isotropic point sources: Broad
9. 2 C,D 2 1,2,4
side Array, End fire Array
10. Phased arrays, Binomial arrays 1 C,D 2 1,2
Synthesis methods: Schelkunhoff polynomial
11. 2 D 2 1,2
method.
12. Fourier transform method 1 D 2 1,2
Unit-III:Antenna Types and its Applications 9
 Contact C-D-
Session Description of Topic IOs Reference
hours I-O
13. Traveling wave antennas 1 C 3 1,2
14. Square Loop antenna and its Radiation Resistance 2 C,D 3 1,2
15. Folded dipole antenna 1 C,D 3 1,2
16. Horn antenna, Helical antenna 1 C,D 3 1,2
17. Reflector antenna 1 C,D 3 1,2
18. Yagi -Uda antenna 1 C,D 3 1,2
19. Log periodic antenna 1 C,D 3 1,2
20. Micro strip antenna 1 C,D 3 1,2
Unit-IV:Antenna Measurements 9
21. Impedance measurement 1 C 4 1
22. Gain measurement, Radiation pattern measurement 1 C 4 1
Beam width measurement, Radiation resistance C
23. 1 4 1
measurement,
Antenna efficiency measurement, Directivity C
24. 1 4 1
measurement,
25. Polarization measurement, phase Measurements 1 C 4 1
26. Typical sources of errors in antenna measurement 2 C 4 1,2
Numerical Techniques For Antenna Analysis: C,D
27. 2 4 1,2,3
Method of Moment (MoM).
Unit-V:Radio Wave Propagation 9
Basics of propagation: Definition and General
28. 1 C 5 1
classification
29. Different Modes of propagation 2 C 5 1,4
30. Structure of ionosphere 1 C 5 1
Refraction and Reflection of sky wave by
31. 1 C,D 5 1
ionosphere.
Ray path, Critical frequency, MUF, LUF , OF,
32. Virtual Height and skip distance 1 C,D 5 1
Relation between MUF & Skip distance,
33. 2 C,D 5 1
Ionospheric abnormalities, Impact of solar activity
34. Multi-Hop propagation and wave characteristics 1 C 5 1
Exclusive of Assessment
Total contact hours 45
hours

Learning Resources
1. John D Kraus , Ronald J Marhefka, Ahmed S Khan “Antenna and wave propagation” 4 th
Edition 2010
2. Constantine Balanis. A, “Antenna Theory: Analysis and Design”, 3 rd Edition, John Wiley
and Sons, 2012.
3. Stutzman, Warren L, Gary A.Thiele, “Antenna theory and design”, 3rd Edition, John Wiley
and Sons 2012
4. C. Jordan E and Balmain, “Electromagnetic waves and Radiating Systems”, 2 nd Pearson
Education/ PHI, 2006.
Course nature Theory
Assessment Method (Weightage 100%)
Assessment Cycle Cycle test Cycle Test Surprise
Quiz Total
In-semester tool test I II III Test
Weightage 10% 15% 15% 5% 5% 50%
End semester examination Weightage : 50%