Cellular Telephony: Signal-to-Noise Ratio
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Questions and Answers

What is the term for the reduction in signal strength due to the environment?

  • Gains loss
  • Signal loss
  • Path loss (correct)
  • Fading loss

What is the formula for calculating the received signal power (Prx)?

  • Prx = Pix + (losses) - (Gains)
  • Prx = Pix - (Gains) / (losses)
  • Prx = Pix - (losses) + (Gains) (correct)
  • Prx = Pix / (losses) + (Gains)

What is the unit of measurement for the received signal power (Prx)?

  • Volts
  • dB
  • Watts
  • dBm (correct)

What is the purpose of calculating the link budget?

<p>To determine the communication system's performance (C)</p> Signup and view all the answers

What is the factor that affects the signal strength due to the surrounding environment?

<p>Path loss (B)</p> Signup and view all the answers

What is the formula for calculating the signal-to-noise ratio (SNR)?

<p>SNR = Pix - (losses) - (Gains) (D)</p> Signup and view all the answers

What is the term for the increase in signal strength due to the use of amplifiers?

<p>Gains (D)</p> Signup and view all the answers

What is the unit of measurement for the noise figure?

<p>dB (B)</p> Signup and view all the answers

What is the purpose of calculating the fading margin?

<p>To account for signal loss due to fading (C)</p> Signup and view all the answers

What is the formula for calculating the path loss?

<p>Path loss = 10 log (distance) + noise (C)</p> Signup and view all the answers

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