SRM UNIVERSITY FACULTY OF ENGINEERING AND TECHNOLOGY

SCHOOL OF ELECTRONICS AND ELECTRICAL ENGINEERING DEPARTMENT OF Telecommunication Engineering

COURSE PLAN Course Code : TE0301 Course Title : Antennas and wave propagation Year& Semester : III & V semester Course Time : Odd semester (July November 2012) Location : SRM University - Tech Park Faculty Details

Section Name Office Mail id

A & B Mrs. S. Murugaveni Tech park (13 Floor) murugaveni.s@ktr.srmuniv.ac.in

Required Text Books:

Antennas and Wave Propagation - J.D. Kraus, RJ. Marhefka and Ahmad S. Khan. TMH, New Delhi, 4'h ed., (Special Indian Edition), 2010.

A.R.Harish, M.Sachidanada, Antennas and Wave propagation, Oxford University Press, 2007.22

.C.Jordan E and Balmain, Electromagnetic waves and Radiating Systems, Pearson Education / PHI, 2006

E.C.Jordan and Balmain, "Electro Magnetic Waves and Radiating Systems", PHI, 1968, Reprint2003.

Ballany , "Antenna Theory " , John Wiley & Sons, second edition , 2003 Electromagnetic Waves and Radiating Systems- E.C. Jordan and K.G. Bahrain. PHI,

2nd e d., 2000 John D.Kraus, Ronald J Marhefka and Ahmad S Khan, Antennas for all Applications,

Tata McGraw-Hill Book Company, 3 ed, 2007. Constantine A. Balanis, Antenna Theory Analysis and Design, John Wiley, 2nd Edition

2007. G.S.N.Raju"Antenna Wave Propagation, Pearson Education, 2004. W.L Stutzman and G.A. Thiele, Antenna analysis and design, John Wiley, 2000

Web Resources: www.wikipedia.org, www.web.cs.wpi.edu , www.cyut.edu.tu , www.erg.dbdn.ac.uk , www.networkworld.com Prerequisite: Electromagnetics Field Theory OBJECTIVES On completion of this module, students should be able to: Appreciate the fundamentals of antenna theory and the propagation factors that govern the design and operation of modern wireless communication systems;

Analyse the radiation patterns from different types of antenna including microstrip and patch; analyse antenna arrays

Understand various modes of propagation and how these are affected by climate; develop link budgets;

Understand how diversity, adaptive beamforming, etc., can enhance the performance of a communication system

Assessment Details Cycle Test I : 10 Marks Surprise Test I : 5 Marks Cycle Test II : 10 Marks Attendance : 5 Marks Model Exam : 20 Marks Test Schedule (tentative)

S.No. DATE TEST TOPICS DURATION 1 Cycle Test - I 2 Periods 2 Cycle Test - II 2 Periods 3 Model Exam All 5 units 3 Hrs

Outcomes Students who have successfully completed this course Course outcome Program outcome To study various antennas, arrays and radiation patterns of antennas. To learn the basic working of antennas To understand various techniques involved in various antenna parameter measurements. To understand the radio wave propagation in the atmosphere

The student will understand the different types of antennas and also its application. The mode of propagation is well understood . Structure of atmosphere is well understood.

Detailed Session Plan ANTENNA FUNDAMENTALS & RADIATION FIELDS OF ANTENNAS Isotropic Radiation, Power density and Intensity, Gain, Directive gain, Directivity, Effective area, Reciprocity theorem, Antenna efficiency, Radiation resistance, Terminal impedance, Beam width and Bandwidth. Concept of vector potential, Modification of time varying and retarded case, Fields associated with hertzian dipole, Power radiated and radiation resistance of current element, Radiation from half wave dipole. Session No.

Topics to be covered Ref Teaching Method

Testing Method

1 Introduction to antenna definition, examples 1,2,5 BB Discussion

2 Antenna Parameters : Isotropic Radiation, Radiation intensity, Directive gain, Directivity, Power gain

1,2,5 BB Self test questions

3 Effective area, Antenna efficiency 1,2,5 BB Self test questions

4 Radiation resistance, Terminal impedance, Beam width and Bandwidth.

1,2,5 BB Self test questions

5 Reciprocity theorem - proof 1,2,5 BB Self test questions

6 Concept of vector potential 1,2,5 BB Self -test questions

7 Modification of time varying and retarded case 1,2,5 BB Self test questions

8 Fields associated with hertzian dipole 1,2,5 BB Self -test questions

9 Power radiated and radiation resistance of current element 1,2,5 BB Self -test questions

10 Radiation from half wave dipole

1,2,5 BB Self -test questions

11 Problems

1,2,5 BB Self -test questions

12 Problems 1,2,5 BB Group discussion

ANTENNA ARRAYS Introduction to broadside array, End fire array, Collinear array, Parasitic arrays. Arrays of two point sources, Arrays of N sources for End fire and Broadside arrays, Pattern multiplication, Binomial arrays, frequency scanned arrays.

13 Introduction to array, linear array and uniform linear array, 1 BB Discussion

14

Various forms of arrays - Broad side array, End fire array, collinear array and parasitic array explanation

1 BB Self test questions

15 Array of two point sources - introduction 1 BB Self test questions

16 Array of two point sources : Equal amplitude and in phase 1 BB Self test questions

17 Array of two point sources : Equal amplitude and Opposite Phase

1 BB Self test questions

18 Array of two point sources : Unequal amplitude and any phase

1 BB Self test questions

19 Pattern multiplication 1 BB Self test questions

20 Array of N Linear point sources 1 BB Self test questions

21 Array of N sources- Analysis of End fire array 1 BB Self test questions

22 Array of N sources- Analysis of Broadside array 1 BB Self test questions

23. Binomial Arrays 1 BB Self test questions

24 Frequency scanned array 1 BB Self test questions

ANTENNAS & APPLICATIONS Traveling wave antenna, Loop antenna, Horn antenna, Reflector antenna, Log periodic antenna, Yagi-Uda antenna, Helical antenna, Microstrip antenna, introduction to smart antenna , Null Steering, Direction of arrival & Beam forming introduction.

25 Introduction to basic antennas : Hertz and Marconi antenna 1,2,5 BB Discussion 26 Traveling wave antenna 1,2,5 BB Self test

questions 27 Loop antenna 1,2,5 BB /Demo Self test

questions 28 Horn antenna 1,2,5 BB / Demo Self test 29 Reflector antenna parabolic reflector 1,2,5 BB / Demo Self test

questions 30 Log periodic antenna 1,2,5 BB / Demo Self test

questions 31 Yagi- Uda antenna 1,2,5 BB / Demo Self test

questions 32 Helical antenna 1,2,5 BB / Demo Self test

questions 33 Micro strip antenna 1,2,5 BB / Demo Self test

questions 34 Introduction to smart antenna, 1,2,5 BB Self test

questions 35 Null steering concept, Direction of arrival 1,2,5 BB Self test

questions 36 Beam forming introduction 1,2,5 BB Self test

questions ANTENNA MEASUREMENTS Impedance, Gain, Radiation pattern, Beam width, Radiation Resistance, Antenna Efficiency, Directivity, Polarization and Phase Measurements.

37 Antenna measurements an introduction , types of 1 BB Discussion

measurement 38 Impedance measurement 1 BB Self test

questions 39 Gain measurement 1 BB Self test

questions 40. Radiation pattern measurement 1 BB Self test

questions 41 Radiation resistance measurement 1 BB Self test

questions 42 Antenna efficiency measurement 1 BB Self test

questions 43 Directivity measurement 1 BB Self test

questions 44 Polarization measurement 1 BB Self test

questions 45 Beamwidth measurement 1 BB Self test

questions 46 Phase Measurement 1 BB Self test

questions WAVE PROPAGATION

Modes of propagation, Structure of atmosphere, Ionosphere layers, Mechanism of bending of waves, Effect of earths Magnetic field on Radio wave propagation. Virtual height, MUF, OWF, Skip distance, Ionosphere abnormalities, Multi-hop propagations, Super refraction, Space wave propagation.

47 Modes of propagation, - Overview 1 BB Discussion 48 Fundamental equation for free space propagation 1 BB Self test

questions 49 Ground wave Propagation 1 BB Self test

questions 50 Sky wave propagation - Structure of atmosphere 1 BB Self test

questions 51 Ionosphere Layers 52 Ionospheric propagation 1 BB Self test

questions 53 Mechanism of bending of waves 1 BB Self test

questions 54 Effect of earths Magnetic field on Radio wave propagation.

1 BB Self test

questions 55 Virtual height, Skip distance 1 BB Self test

questions 56 MUF and OWF 1 BB Self test

questions 57 Ionosphere abnormalities 1 BB Self test

questions 58 Multi-hop propagations

1 BB Self test

questions 59 Space wave propagation, Super refraction. 1 BB Self test

questions 60 Super refraction or Duct propagation 1 BB Self test

questions BB Black Board Ref 1,2, 3 indicates the books to be referred