Quiz 7: 4g: Lte/Lte-advanced For Mobile Broadband: Chapter 7 Lte Radio Access: An Overview: Quiz7

26 Questions | Total Attempts: 190

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Quiz 7: 4g: Lte/Lte-advanced For Mobile Broadband: Chapter 7 Lte Radio Access: An Overview: Quiz7

Dr. Munther Gdeisat


Questions and Answers
  • 1. 
    LTE is
    • A. 

      A circuit switching system

    • B. 

      A packet switching system

    • C. 

      A packet and circuit switching system

  • 2. 
    In LTE, OFDM transmission is describer in
    • A. 

      Release 8

    • B. 

      Release 9

    • C. 

      Release 10

  • 3. 
    Flexible bandwidth assignment in LTE supports
    • A. 

      TDMA

    • B. 

      FDMA

    • C. 

      TDMA and FDMA

  • 4. 
    A resource block in LTE has
    • A. 

      A bandwidth of 180 kHz and a duration of 1 ms

    • B. 

      A bandwidth of 15 kHz and a duration of 0.5 ms

  • 5. 
    The advantage of DFTS-OFDM over OFDM is
    • A. 

      Having higher spectrum efficiency

    • B. 

      Reducing cubic metric for uplink transmission and enabling higher terminal power amplifier efficiency

  • 6. 
    The advantage of OFDM over DFTS-OFDM is
    • A. 

      Having higher spectrum efficiency

    • B. 

      Reducing cubic metric for uplink transmission and enabling higher terminal power amplifier efficiency

  • 7. 
    In inter-cell interference coordination ICIC two neighboring base stations cannot use the same frequency bands to communicate with a terminal
    • A. 

      True

    • B. 

      False

  • 8. 
    The number of packets required to perform hybrid ARQ with soft combining is
    • A. 

      Two or more packets

    • B. 

      One packet

  • 9. 
    The number of packets required to perform hybrid ARQ is
    • A. 

      Two or more packets

    • B. 

      One packet

  • 10. 
    At a low SINR scenario, multiple antennas should be used as
    • A. 

      MIMO

    • B. 

      Receive and transmit diversity

  • 11. 
    At a high SINR scenario, multiple antennas should be used as
    • A. 

      MIMO

    • B. 

      Receive and transmit diversity

  • 12. 
    • A. 

      This image refers to frequency division duplex FDD

    • B. 

      This image refers to time division duplex TDD

    • C. 

      This image refers to half duplex FDD

  • 13. 
    • A. 

      This image refers to frequency division duplex FDD

    • B. 

      This image refers to time division duplex TDD

    • C. 

      This image refers to half duplex FDD

  • 14. 
    • A. 

      This image refers to frequency division duplex FDD

    • B. 

      This image refers to time division duplex TDD

    • C. 

      This image refers to half duplex FDD

  • 15. 
    LTE supports different bandwidths on both uplink and down link (1MHz to 20 MHz). •On the contrary WCDMA requires a bandwidth of 5MHz and HSPA requires a bandwidth of multiples of 5 MHz.
    • A. 

      True

    • B. 

      False

  • 16. 
    A terminal position can be determined by measuring special reference signals transmitted regularly from different cell sites. This feature is introduced in
    • A. 

      LTE release 8

    • B. 

      LTE release 9

    • C. 

      LTE release 10

  • 17. 
    IMT-Advanced is fulfilled in
    • A. 

      LTE release 8

    • B. 

      LTE release 9

    • C. 

      LTE release 10

  • 18. 
    LTE-Advanced consists of ,up to, ___________release 8 aggregated carriers.
    • A. 

      Four

    • B. 

      Five

    • C. 

      Six

    • D. 

      Seven

  • 19. 
    LTE-Advanced can provide peak data rate of _______ for uplink and ____________ for downlink
    • A. 

      3 Gbit/s 1.5 Gbit/s

    • B. 

      1 Gbit/s 500 Mbit/s

    • C. 

      30 Gbit/s 15 Gbit/s

  • 20. 
    Peak data rate requirements  for IMT-Advanced are  _______ for uplink and ____________ for downlink
    • A. 

      3 Gbit/s 1.5 Gbit/s

    • B. 

      600 Mbit/s 270 Mbit/s

    • C. 

      30 Gbit/s 15 Gbit/s

  • 21. 
    Carrier aggregation feature is introduced in LTE
    • A. 

      Release 8

    • B. 

      Release 9

    • C. 

      Release 10

  • 22. 
    Uplink spatial multiplexing feature is introduced in LTE
    • A. 

      Release 8

    • B. 

      Release 9

    • C. 

      Release 10

  • 23. 
    Dual-layer beam forming feature is introduced in LTE
    • A. 

      Release 8

    • B. 

      Release 9

    • C. 

      Release 10

  • 24. 
    Multi-antenna support feature is introduced in LTE
    • A. 

      Release 8

    • B. 

      Release 9

    • C. 

      Release 10

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