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

26 Questions | By Gdeisat | Updated: Mar 21, 2022 | Attempts: 554

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

Dr. Munther Gdeisat

Questions and Answers

1.

In LTE, OFDM transmission is describer in
- A.
  
  Release 8
- B.
  
  Release 9
- C.
  
  Release 10
2.

Flexible bandwidth assignment in LTE supports
- A.
  
  TDMA
- B.
  
  FDMA
- C.
  
  TDMA and FDMA
3.

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
4.

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
5.

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
6.

LTE is
- A.
  
  A circuit switching system
- B.
  
  A packet switching system
- C.
  
  A packet and circuit switching system
7.

The number of packets required to perform hybrid ARQ with soft combining is
- A.
  
  Two or more packets
- B.
  
  One packet
8.

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
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