Wireless Communication Basics
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Questions and Answers

What is the peak data rate for low mobility in LTE Advanced?

  • 100 Mbps
  • 6.75 bps/Hz
  • 1 Gbps (correct)
  • 30 bps/Hz

    • Which feature of LTE Advanced allows mobile network operators to combine multiple LTE carriers for higher data rates?

  • Carrier aggregation (correct)
  • Coordinated multipoint (CoMP)
  • Orthogonal Frequency Division Multiplexing (OFDM)
  • Relaying

    • What is the purpose of using relaying in communication links?

  • Optimizing spectrum use
  • Increasing link reliability
  • Enhancing signal strength (correct)
  • Improving data throughput

    • What is the key goal of MIMO technology in wireless communication systems?

    <p>Extend communication range</p> Signup and view all the answers

    Which digital modulation technique is commonly used in 4G LTE and Wi-Fi systems?

    <p>Orthogonal Frequency Division Multiplexing (OFDM)</p> Signup and view all the answers

    What does OFDM do to the data stream before transmission?

    <p>Divides it into multiple parallel lower-rate streams</p> Signup and view all the answers

    What is the main advantage of wireless communication mentioned in the text?

    <p>Global coverage</p> Signup and view all the answers

    Which multiple access scheme involves assigning each user a specific code?

    <p>Code Division Multiple Access (CDMA)</p> Signup and view all the answers

    What technology is referred to as the best in the text?

    <p>Orthogonal Frequency Division Multiplexing (OFDM)</p> Signup and view all the answers

    Which organization was responsible for the development and standardization of 4G LTE?

    <p>3rd Generation Partnership Project (3GPP)</p> Signup and view all the answers

    In which type of multiple access scheme does bandwidth allocation occur?

    <p>Frequency Division Multiple Access (FDMA)</p> Signup and view all the answers

    What key feature does CDMA utilize to allow multiple users to share the same frequency band?

    <p>Unique codes for each user</p> Signup and view all the answers

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