Topic: WIRELESS COMMUNICATIONS SYSTEMS ANALYSIS PROJECT

QUESTIONS

  1. Why is it necessary to use a high-frequency carrier with a radio communication system?
  2. Suppose that a voice frequency of 400 Hz is transmitted using a transmitter operating
    at 800 MHz. Which of these is:

a) the information frequency?
b) the carrier frequency?
c) the baseband frequency?
d) the modulating frequency?

  1. What is meant by the “envelope “of an AM waveform and what is its significance?
  2. Compare, in general terms, the bandwidth and signal-to-noise ratio of FM and AM.
  3. Give four advantages and one disadvantage of using digital (rather than analog) techniques for
    the transmission of voice signals.
  4. For a PCM signal, describe the effects of:

a) increasing the sampling rate
b) increasing the number of bits per sample

  1. Explain the difference between the terms bit rate and baud rate.
  2. Which type of modulation is likely to be used for:

a) low data rates
b) moderate data rates
c) high data rates

  1. What are the similarities between radio waves and light waves?
  2. Explain how cellular systems allow for frequency reuse.

Type of service: Academic paper writing
Type of assignment: Project
Subject: IT & Technology
Pages/words: 3/825
Number of Sources: 0
Academic level: Senior(college 4th year)
Paper format: APA
Line Spacing: Double
Language Style: US English

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