NATIONAL ENGINEERING COLLEGE, K.R.NAGR, KOVILPATTI

(An Autonomous Institution)

DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING

Lesson plan

Sub code & Name: EC2353 ANTENNA AND WAVE PROPAGATION

Semester & Year :VI sem/III year Branch :ECE

Faculty Name : K.J.Prasanna Venkatesan /AP(SG)

EC53 ANTENNA AND WAVE PROPAGATION 3 1 0 4

1. ELECTROMAGNETIC RADIATION AND ANTENNA FUNDAMENTALS 9Review of electromagnetic theory: Vector potential, Solution of wave equation, retardedcase, Hertizian dipole. Antenna characteristics: Radiation pattern, Beam solid angle,Directivity, Gain, Input impedance, Polarization, Bandwidth, Reciprocity, Equivalence ofRadiation patterns, Equivalence of Impedances, Effective aperture, Vector effectivelength, Antenna temperature.

2.WIRE ANTENNAS AND ANTENNA ARRAYS 9Wire antennas: Short dipole, Radiation resistance and Directivity, Half wave Dipole,Monopole, Small loop antennas. Antenna Arrays: Linear Array and Pattern Multiplication,Two-element Array, Uniform Array, Polynomial representation, Array with non-uniformExcitation-Binomial Array

3. APERTURE ANTENNAS 9Aperture Antennas: Magnetic Current and its fields, Uniqueness theorem, Field equivalence principle, Duality principle, Method of Images, Pattern properties, Slotantenna, Horn Antenna, Pyramidal Horn Antenna, Reflector Antenna-Flat reflector,Corner Reflector, Common curved reflector shapes, Lens Antenna.

4. SPECIAL ANTENNAS AND ANTENNA MEASUREMENTS 9Special Antennas: Long wire, V and Rhombic Antenna, Yagi-Uda Antenna, TurnstileAntenna, Helical Antenna- Axial mode helix, Normal mode helix, Biconical Antenna, Logperiodic Dipole Array, Spiral Antenna, Microstrip Patch Antennas.Antenna Measurements: Radiation Pattern measurement, Gain and DirectivityMeasurements, Anechoic Chamber measurement.

5. RADIO WAVE PROPAGATION 9Calculation of Great Circle Distance between any two points on earth, Ground WavePropagation, Free-space Propagation, Ground Reflection, Surface waves, Diffraction,Wave propagation in complex Environments, Tropospheric Propagation, TroposphericScatter. Ionospheric propagation: Structure of ionosphere, Sky waves, skip distance,Virtual height, Critical frequency, MUF, Electrical properties of ionosphere, Effects ofearth’s magnetic fields, Faraday rotation, Whistlers.

L: 45, T: 15, TOTAL= 60 PERIODS

TEXTBOOKS

1. E.C.Jordan and Balmain, “Electromagnetic waves and Radiating Systems”, PearsonEducation / PHI, 20062. A.R.Harish, M.Sachidanada, “Antennas and Wave propagation”, Oxford UniversityPress, 2007.

REFERENCES1. John D.Kraus, Ronald J Marhefka and Ahmad S Khan, “Antennas for allApplications”, Tata McGraw-Hill Book Company, 3 ed, 2007.2. G.S.N.Raju, Antenna Wave Propagation, Pearson Education, 2004.3. Constantine A. Balanis, Antenna Theory Analysis and Desin, John Wiley, 2nd Edition,2007.4. R.E.Collins, “Antenna and Radiowave propagation”,5. W.L Stutzman and G.A. Thiele, “Antenna analysis and design”, John Wiley, 2000.

LESSON PLAN

UNIT I ELECTROMAGNETIC RADIATION AND ANTENNA FUNDAMENTALS

S.No & Cumulative Hours

Topics Hours Unit T/R Book

Page No

1Review of electromagnetic theory: Vector potential,.

2 I T1 90

3Solution of wave equation, retarded case, Hertizian dipole

2 1 T1 321

5Antenna characteristics: Radiation pattern

2 I R1 14

7Beam solid angle,Directivity, Gain, Input impedance

1 I R1 19,23

8Polarization, Bandwidth, Reciprocity,

1 I T1 543

9Equivalence ofRadiation patterns.

1 I T1 44

10Equivalence of Impedances, Effective aperture,

1 I T1 517

11Vector effective length, Antenna temperature.

1 I T1 518

12 Tutorial 3 I TI

UNIT II WIRE ANTENNAS AND ANTENNA ARRAYS

S.No & Cumulative

Hours

Topics Hours Unit T/R Book

Page No

15Wire antennas: Short dipole, Radiation resistance and Directivity,

2 II R1 164,173

17Half wave Dipole,Monopole, Small loop antennas.

3 IIR1R3

34462

20Antenna Arrays: Linear Array and Pattern Multiplication,

2 II R3 160

22Two-element Array, Uniform Array,

1 II R3 162

23Polynomial representation, Array with non-uniform

1 II T1 267

24 Excitation-Binomial Array 1 II R3 290

25 Tutorial 3 II T1

UNIT III APERTURE ANTENNAS

S.No & Cumulative

Hours

Topics Hours Unit T/R Book

Page No

28Aperture Antennas: Magnetic Current and its fields,

2 III T1 300

30Uniqueness theorem, Fieldequivalence principle,

2 III R3 575

32Duality principle, Method of Images, Pattern properties,

2 III R3 126

34Slot antenna, Horn Antenna, Pyramidal Horn Antenna,

2 III R1 295,321

36 Reflector Antenna-Flat reflector, 1 III R1 422

37Corner Reflector, Common curved reflector shapes, Lens Antenna

2 III R1 425,607

39 Tutorial 3 III T1

UNIT IV SPECIAL ANTENNAS AND ANTENNA MEASUREMENTS

S.No & Cumulative

Hours

Topics Hours Unit T/R Book

Page No

42Special Antennas: Long wire, V and Rhombic Antenna,

2 IV R1247,248,

249

44Yagi-Uda Antenna, Turnstile Antenna,

2 IV R1 363

46Helical Antenna- Axial mode helix, Normal mode helix,

3 IV R1 339

49Biconical Antenna, Log periodic Dipole Array,

2 IV R1 458,470

51Spiral Antenna, Microstrip Patch Antennas.

1 IV R1 469,313

52Antenna Measurements: Radiation Pattern measurement,

2 IV R3 858

54Gain and Directivity Measurements,

2 IV R3 865,871

56 Anechoic Chamber measurement. 1 IV R3 874

57 Tutorial 3 IV T1

UNIT V RADIO WAVE PROPAGATION

S.No & Cumulative

Hours

Topics Hours Unit T/R Book

Page No

60

Calculation of Great Circle Distance between any two points on earth,

2 V R2 250

62Ground WavePropagation, Free-space Propagation, Ground Reflection,

2 V R2 300

64Surface waves, Diffraction,Wave propagation in complex Environments,

2 V R2 315

66Tropospheric Propagation, Tropospheric Scatter.

2 V R2 393

68Ionospheric propagation: Structure of ionosphere, Sky waves, skip distance,

1 V R2405,415,

411

69Virtual height, Critical frequency, MUF, Electrical properties of ionosphere,

1 V R2 411

70Effects ofearth’s magnetic fields,

1 V R2 422

71 Faraday rotation, Whistlers. 1 V R2 421

72 Tutorial 3 V R1

Faculty In-Charge HOD/ECE