for Q1  and give your opinion which one best.

1. Different antenna, such as Yagi, Horn, and Cellular antennas, etc. has different merits. Research these technologies in details and pay specific attention to how they are used as well their strengths and weakness. Provide an opinion regarding which antenna types will become the dominant players in the future of medium- and long-distance wireless links. [5 marks]

• Wire Antennas
  • Short Dipole Antenna
  • Dipole Antenna
  • Loop Antenna
  • Monopole Antenna
• Log Periodic Antennas
  • Bow Tie Antennas
  • Log-Periodic Antennas
  • Log-Periodic Dipole Array
• Aperture Antennas
  • Slot Antenna
  • Horn Antenna
• Microstrip Antennas
  • Rectangular Microstrip Patch Antenna
  • Quarter-Wave Patch Antenna
• Reflector Antennas
  • Flat-plate Reflector Antenna
  • Corner Reflector Antenna
  • Parabolic Reflector Antenna
• Lens Antennas
• Travelling-wave Antennas
  • Long Wire Antenna
  • Yagi–Uda Antenna
  • Helical Wire Antenna
  • Spiral Antenna
• Array Antennas
  • Two-Element Array Antenna
  • Linear Array Antenna
  • Phased Array Antennas

Leave Q2)

I had done it.

3. What is the relationship between a signal’s spectrum and its bandwidth?
4. What key factors affect channel capacity?
5. How is interference avoided by using frequency division multiplexing?
6. A digital signalling system is required to operate at 9600 bps.
7.      a) If a signal element encodes a 4-bit word, what is the minimum required bandwidth of the channel? [2 marks]
8.      b) Repeat part (a) for the case of 8-bit words. [2 marks]
9. What is Atmospheric Absorption? Explain with examples. [4 marks]

8. What is the advantage of a parabolic reflective antenna? [2 marks]

9. What is the relationship between the bandwidth of a signal before and after it has been encoded using spread spectrum? [2 marks]

10. List three benefits of spread spectrum. [3 marks]

Rationale

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Subject learning outcomes

This assessment task will assess the following learning outcome/s:

• be able to describe wireless networking concepts and their application to real life situations.
• be able to illustrate wireless signalling techniques and describe radio frequency communications.
• be able to investigate and evaluate various wireless networking techniques, protocols and standards.
• be able to compare and contrast different wireless networks in terms of size, speed, limitations and applications.

Graduate learning outcomes

This task also contributes to the assessment of the following CSU Graduate Learning Outcome/s:

• Academic Literacy and Numeracy (Knowledge) – CSU Graduates understand the use and structure of appropriate language in written, oral, visual, mathematical, and multi-modal communication.
• Academic Literacy and Numeracy (Skill) – CSU Graduates demonstrate the literacy and numeracy skills necessary to understand and interpret information and communicate effectively according to the context.