Master the Basics of GSM Technology in this Quiz!
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Questions and Answers

Which generation of cellular communications is the most recent?

  • 4G (correct)
  • 2G
  • 1G
  • 3G

    • What is the main advantage of frequency re-use in cellular communications?

  • Lower spectrum prices
  • Improved audio quality
  • Better service continuity
  • Increased number of supported users (correct)

    • Which aspect of cellular communications is crucial for seamless hand-offs between base stations?

  • Spectrum re-use
  • Service continuity (correct)
  • Multiple access schemes
  • Duplex operation

    • What is the main challenge in achieving spectrum efficiency in cellular communications?

    <p>Limited number of channels</p> Signup and view all the answers

    Which of the following is NOT a factor that affects the cell-edge boundary in practice?

    <p>Overlap at some edges</p> Signup and view all the answers

    What is the main advantage of shrinking cell size in a cellular network?

    <p>Enable more frequency re-use</p> Signup and view all the answers

    Which type of cell is typically used in dense areas with a radius of approximately 1km?

    <p>Micro cell</p> Signup and view all the answers

    What is the main difference between half duplex and full duplex communication?

    <p>Half duplex uses frequency division duplex (FDD), while full duplex uses time division duplex (TDD)</p> Signup and view all the answers

    Which frequencies are used in GSM?

    <p>UL 890 - 915, DL 935 - 960 MHz</p> Signup and view all the answers

    What is the purpose of the Forward Control Channel (FCC) in GSM?

    <p>For mobiles joining network</p> Signup and view all the answers

    What triggers a handover (HO) in GSM?

    <p>All of the above</p> Signup and view all the answers

    What is the purpose of the Serving GPRS Support Node (SGSN) in GPRS architecture?

    <p>All of the above</p> Signup and view all the answers

    Which organization is responsible for the standardization process of 3GPP?

    <p>3GPP</p> Signup and view all the answers

    What is the purpose of the Gateway GPRS Support Node (GGSN)?

    <p>To serve as a gateway to the packet network</p> Signup and view all the answers

    What motivated the development of 3G technology?

    <p>All of the above</p> Signup and view all the answers

    What are the key milestones in the evolution of 3GPP standards?

    <p>All of the above</p> Signup and view all the answers

    Which type of handover occurs when a user equipment (UE) moves from one 3G cell to another 3G cell?

    <p>Soft handover</p> Signup and view all the answers

    What does HSDPA stand for?

    <p>High Speed Downlink Packet Access</p> Signup and view all the answers

    What is the purpose of power control in a cellular network?

    <p>To ensure all UEs have similar power</p> Signup and view all the answers

    What type of modulation is used in HSDPA?

    <p>16-QAM</p> Signup and view all the answers

    Which type of handover occurs when a user equipment (UE) moves out of range of a 3G cell and has to be handed over to another frequency?

    <p>Hard handover</p> Signup and view all the answers

    What triggers a soft handover in a 3G cell?

    <p>UE hearing from other base stations simultaneously</p> Signup and view all the answers

    What is the purpose of power control in a cellular network?

    <p>To reduce interference between neighboring cells</p> Signup and view all the answers

    What is the main advantage of HSDPA in 3G networks?

    <p>Higher data rate in the downlink</p> Signup and view all the answers

    Which type of modulation is used in HSDPA?

    <p>16-QAM</p> Signup and view all the answers

    What is the purpose of an inter-system handover in cellular communications?

    <p>To handover from 3G cell to GSM cell</p> Signup and view all the answers

    What is the main challenge in achieving spectrum efficiency in cellular communications?

    <p>Limited availability of spectrum</p> Signup and view all the answers

    Which organization is responsible for the standardization process of 3GPP?

    <p>ETSI</p> Signup and view all the answers

    What is the purpose of the Serving GPRS Support Node (SGSN) in GPRS architecture?

    <p>To manage mobility and session management of UEs</p> Signup and view all the answers

    What is the main advantage of shrinking cell size in a cellular network?

    <p>Reduced interference between neighboring cells</p> Signup and view all the answers

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