Antenna & Wave Propagation

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ANTENNA & WAVE 2161003
FREE PDF 2161003
Code: 2161003 Credits: 6 Semester 6 ETC

Antenna & Wave Propagation

Get the full GTU study material, English & Gujarati textbook PDFs, syllabus curriculum, and solved previous year question papers.

Antenna & Wave Propagation Syllabus — Unit-wise Content

The official GTU curriculum for Antenna & Wave Propagation (subject code 2161003) as prescribed for ETC · Semester 6 divides the course into 15 units, covering 81 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.

Download the official syllabus PDF (2161003)

Unit 1 Basic antenna concepts

3 lecture hours

  • Definition and functions of an antenna
  • comparison between an antenna & transmission line
  • radio communication link with transmitting antenna and a receiving antenna
  • radiation patterns of antennas-field and power patterns
  • all antenna types

Unit 2 Radiation of Electric dipole

5 lecture hours

  • Potential functions and the electromagnetic field
  • Oscillating electric dipole- derivations for E and H field components in spherical coordinate systems
  • Power Radiated by a current element
  • Application to antennas
  • Radiation from quarter wave monopole and half wave dipoles
  • Derivation for radiation resistance
  • application of reciprocity theorem to antennas
  • equality of directional patterns and effective lengths of transmitting and receiving antennas
  • directional properties of dipole antennas
  • antenna feeding methods

Unit 3 Antenna parameters and definitions

5 lecture hours

  • beam area
  • beam width- Half-Power Beam width (HPBW)and First Null Beam width(FNBW)
  • Radiation Intensity
  • Beam Efficiency
  • Directivity and directive gain
  • radiation resistance
  • radiation efficiency
  • Antenna aperture-physical and effective apertures
  • effective height
  • transmission formula
  • antenna field zones
  • Transmission loss as a function of frequency
  • Antenna temperature and signal to noise ratio

Unit 4 Arrays of point sources

6 lecture hours

  • Expression for electric fields from two, three and N element arrays- linear arrays: Broad-side array and End-Fire array- Method of pattern multiplication- Binomial array-Horizontal and Vertical Antennas above the ground plane
  • Effect of ground on ungrounded antenna
  • Schelkunoff theorems for linear arrays
  • Dolph-Tchebysheff distribution for linear arrays

Unit 5 Loop Antenna

2 lecture hours

  • Small loop short magnetic dipole
  • comparison of far field of small loop and short dipole loop antennas
  • field pattern of circular loop antenna & radiation resistance of loop antenna
  • directivity of circular loop antennas with uniform current

Unit 6 Helical antenna

2 lecture hours

  • Helical geometry
  • transmission radiation modes
  • practical design considerations
  • wide band characteristics of helical antenna

Unit 7 Arrays of dipoles & apertures

4 lecture hours

  • 3 element dipole Array with parasitic elements
  • Yagi-Uda array-function and its design
  • Phased arrays
  • frequency scanning arrays
  • smart antennas
  • long wire antennas
  • location methods of feeding antennas
  • folded dipole antennas
  • matching arrangements

Unit 8 Reflector antennas

4 lecture hours

  • Parabolic reflector
  • paraboloidal reflector
  • aperture Pattern of large circular apertures with uniform illumination
  • off axis operation of paraboloidal reflectors
  • Cassegrain feed system

Unit 9 Slot patch & Horn antennas

3 lecture hours

  • Slot antenna
  • its pattern
  • Babinet’s principle and complementary antennas
  • impedance of slot antennas, and horn antenna-function and types

Unit 10 Microstrip ( patch) antennas

4 lecture hours

  • Rectangular and circular types-function
  • features analysis
  • design considerations and applications

Unit 11 Lens antennas

2 lecture hours

  • Non-metallic Dielectric lens and artificial dielectric lens antennas
  • reflector lens antennas

Unit 12 Broadband & Freq. Independent antennas

2 lecture hours

  • Broadband antenna
  • Frequency independent antenna
  • log periodic antennas

Unit 13 Antennas for special applications

2 lecture hours

  • Antennas design consideration for satellite communication
  • antenna for terrestrial mobile communication systems, GPR, Embedded antennas, UWB, Plasma antenna

Unit 14 Antennas measurements

2 lecture hours

  • Experimental set ups for measurement of radiation patterns
  • phase polarization
  • terminal impedance

Unit 15 Radio wave propagation

6 lecture hours

  • Modes of propagation
  • Ground Wave Propagation
  • Structure of troposphere and ionosphere
  • Characteristic of Ionospheric layers
  • Sky wave propagation
  • Definitions for Virtual height
  • MUF and Skip distance, OWF, Fading
  • ionospheric absorptions
  • Multi-hop propagation
  • Space wave propagation and Super refraction

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