What are the differences between FDM and OFDM?

FDM uses Guard bands. OFDM does not need Guard bands.

FDM transmits data in a big channel. OFDM transmits chunks of data through a group of small channels.

FDM is sensitive to Multipath effects and Noise. In OFDM, only very few Sub-channels are affected by Noise and Multipath diversity.

What is the name given to a 4G LTE or UMB based Core Network Architecture?

SAE (System Architecture Evolution)

What does MIMO stand for?

Minimum Interference Maximum Output

What are the advantages of a 4G LTE network over 3G network?

Scalability and Flexibility with other networks

What does WIMAX stands for?

Wireless Intermediate Microwave Access

Wireless Interoperability for Microwave Access

What is the other name for a 3GPP2 based 4G network?

Advanced Mobile Broadband (AMB)

IMT-A (International Mobile Telecommunications Advanced) is _____.

The system that implements specifications of ITU-R(ITU Radiocommunication)

Internal Telecommunication Union

Inventions for Telecommunication Union

International Telecommunication Union

What does OFDMA stands for?

Omitted Frequency Division Multiple Access

Original Frequency Division Multiple Access

Orthogonal Frequency Division Multiple Access

Omitted Frequency Division Multiple Access

In LTE, what is the benefit of PAPR reduction in the uplink?

Improved uplink coverage, lower UE power consumption and reduced equalizer

What type of handovers is supported by LTE?

Hard, soft and softest handover

32 + Mcqs in Long Term Evolution Lte in Wireless Mobile Communications Page 1 McqOptions

1.	How much bandwidth is required to transmit the primary and secondary synchronization signals?
A.	1.08 MHz
B.	1.4 MHz
C.	930 kHz
D.	20 MHz
Answer» B. 1.4 MHz

Discussion

2.	Which RLC mode adds the least amount of delay to user traffic?
A.	Unacknowledged mode (UM)
B.	Acknowledged mode (AM)
C.	Low latency mode (LM)
D.	Transparent mode (TM)
Answer» E.

Discussion

3.	Initial 4G LTE standard supported Carrier Aggregation. State TRUE or FALSE.
A.	TRUE
B.	FALSE
C.	-
D.	-
Answer» C. -

Discussion

4.	What are the differences between FDM and OFDM?
A.	FDM uses Guard bands. OFDM does not need Guard bands.
B.	FDM transmits data in a big channel. OFDM transmits chunks of data through a group of small channels.
C.	FDM is sensitive to Multipath effects and Noise. In OFDM, only very few Sub-channels are affected by Noise and Multipath diversity.
D.	All the above
Answer» E.

Discussion

5.	What is the name given to a 4G LTE or UMB based Core Network Architecture?
A.	SAE (System Architecture Evolution)
B.	SAP (System Architecture Pro)
C.	CAS (Core System Architecture)
D.	None
Answer» B. SAP (System Architecture Pro)

Discussion

6.	What does AAS represent in a UMB (Ultra Mobile Broadband) based 4G network?
A.	Antenna Average System
B.	Advanced Antenna System
C.	Analog Amplitude System
D.	None
Answer» C. Analog Amplitude System

Discussion

7.	What is the round trip latency between a Mobile phone and Base station in a 4G LTE network?
A.	1ms
B.	5ms
C.	10ms
D.	20ms
Answer» D. 20ms

Discussion

8.	What does MIMO stand for?
A.	Minimum Interference Maximum Output
B.	Minimum Input Multiple Output
C.	Multiple Input Multiple Output
D.	None
Answer» D. None

Discussion

9.	What are the advantages of a 4G LTE network over 3G network?
A.	More Spectral Efficiency
B.	Low power consumption
C.	Scalability and Flexibility with other networks
D.	All the above
Answer» E.

Discussion

10.	What does WIMAX stands for?
A.	Wireless Maximum
B.	Wireless Intermediate Microwave Access
C.	Wireless Interoperability for Microwave Access
D.	None
Answer» D. None

Discussion

11.	UMB 4G networks are superseded by ___ networks.
A.	EV-DV networks
B.	LTE
C.	WCDMA
D.	None
Answer» C. WCDMA

Discussion

12.	What is the other name for a 3GPP2 based 4G network?
A.	Super Mobile Broadband (SMB)
B.	Advanced Mobile Broadband (AMB)
C.	Ultra Mobile Broadband (UMB)
D.	None
Answer» D. None

Discussion

13.	The Evolution-Data Optimized Voice (EVDV) based 4G networks are according to ___ standards. (3GPP / 3GPP2)
A.	3GPP
B.	3GPP2
C.	-
D.	-
Answer» E.

Discussion

14.	What is the name of a Base Transceiver Station in 2G system equivalent in a 4G LTE system?
A.	nodeB
B.	eNodeB
C.	aNodeB
D.	nodeBPro
Answer» C. aNodeB

Discussion

15.	IMT-A (International Mobile Telecommunications Advanced) is _____.
A.	LTE-A (LTE Advanced)
B.	The system that implements specifications of ITU-R(ITU Radiocommunication)
C.	Also known as 4.5G
D.	All the above
Answer» E.

Discussion

16.	ITU stands for ___.
A.	International Television Union
B.	Internal Telecommunication Union
C.	Inventions for Telecommunication Union
D.	International Telecommunication Union
Answer» E.

Discussion

17.	The Air interface or Radio interface of a 4G LTE network is ____ as a 3G network.
A.	Same
B.	Not same
C.	-
D.	-
Answer» C. -

Discussion

18.	What is the carrier Bandwidth in a typical 3G WCDMA based network?
A.	1.4 Mhz
B.	3MHz
C.	5 MHz
D.	10 MHz
Answer» D. 10 MHz

Discussion

19.	What does OFDMA stands for?
A.	Original Frequency Division Multiple Access
B.	Orthogonal Frequency Division Multiple Access
C.	Omitted Frequency Division Multiple Access
D.	None
Answer» C. Omitted Frequency Division Multiple Access

Discussion

20.	What is the Access technique used by an LTE or LTE-A network?
A.	WCDMA
B.	FDMA
C.	PDMA
D.	OFDMA
Answer» E.

Discussion

21.	Though LTE is treated as a 4G (Fourth Generation) network, it is actually a ___ generation technology as it does not meet expectations.
A.	2.5G
B.	3G
C.	3.5G
D.	3.9G
Answer» E.

Discussion

22.	What does LTE stands for?
A.	Level Telecom Advanced
B.	Long Terminal Advanced
C.	Long Term Evolution
D.	Long Time Evolution
Answer» D. Long Time Evolution

Discussion

23.	WHICH_RLC_MODE_ADDS_THE_LEAST_AMOUNT_OF_DELAY_TO_USER_TRAFFIC??$
A.	Unacknowledged mode (UM)
B.	Acknowledged mode (AM)
C.	Low latency mode (LM)
D.	Transparent mode (TM)
Answer» E.

Discussion

24.	How_much_bandwidth_is_required_to_transmit_the_primary_and_secondary_synchronization_signals?$
A.	1.08 MHz
B.	1.4 MHz
C.	930 kHz
D.	20 MHz
Answer» B. 1.4 MHz

Discussion

25.	In LTE, what is the benefit of PAPR reduction in the uplink?
A.	Improved uplink coverage
B.	Lower UE power consumption
C.	Reduced equalizer complexity
D.	Improved uplink coverage, lower UE power consumption and reduced equalizer
Answer» E.

Discussion

26.	What is the largest channel bandwidth a UE is required to support in LTE?
A.	10 MHz
B.	20 MHz
C.	1.4 MHz
D.	5 MHz
Answer» C. 1.4 MHz

Discussion

27.	How often can resources be allocated to the UE?
A.	Every symbol
B.	Every slot
C.	Every subframe
D.	Every frame
Answer» D. Every frame

Discussion

28.	Which channel indicates the number of symbols used by the PDCCH?
A.	PHICH
B.	PDCCH
C.	PBCH
D.	PCFICH
Answer» E.

Discussion

29.	Which organization is responsible for developing LTE standards?
A.	UMTS
B.	3GPP
C.	3GPP2
D.	ISO
Answer» C. 3GPP2

Discussion

30.	What is the minimum amount of RF spectrum needed for an FDD LTE radio channel?
A.	1.4 MHz
B.	2.8 MHz
C.	5 MHz
D.	20 MHz
Answer» C. 5 MHz

Discussion

31.	What type of handovers is supported by LTE?
A.	Hard handover only
B.	Soft handover only
C.	Hard and soft handover
D.	Hard, soft and softest handover
Answer» B. Soft handover only

Discussion

32.	Which UE category supports 64 QAM on the uplink?
A.	Only category 5
B.	Only category 4
C.	Only category 3
D.	Category 3,4 and 5
Answer» B. Only category 4

Discussion

Explore topic-wise MCQs in Wireless Mobile Communications.

How much bandwidth is required to transmit the primary and secondary synchronization signals?

Which RLC mode adds the least amount of delay to user traffic?

Initial 4G LTE standard supported Carrier Aggregation. State TRUE or FALSE.

What are the differences between FDM and OFDM?

What is the name given to a 4G LTE or UMB based Core Network Architecture?

What does AAS represent in a UMB (Ultra Mobile Broadband) based 4G network?

What is the round trip latency between a Mobile phone and Base station in a 4G LTE network?

What does MIMO stand for?

What are the advantages of a 4G LTE network over 3G network?

What does WIMAX stands for?

UMB 4G networks are superseded by ___ networks.

What is the other name for a 3GPP2 based 4G network?

The Evolution-Data Optimized Voice (EVDV) based 4G networks are according to ___ standards. (3GPP / 3GPP2)

What is the name of a Base Transceiver Station in 2G system equivalent in a 4G LTE system?

IMT-A (International Mobile Telecommunications Advanced) is _____.

ITU stands for ___.

The Air interface or Radio interface of a 4G LTE network is ____ as a 3G network.

What is the carrier Bandwidth in a typical 3G WCDMA based network?

What does OFDMA stands for?

What is the Access technique used by an LTE or LTE-A network?

Though LTE is treated as a 4G (Fourth Generation) network, it is actually a ___ generation technology as it does not meet expectations.

What does LTE stands for?

WHICH_RLC_MODE_ADDS_THE_LEAST_AMOUNT_OF_DELAY_TO_USER_TRAFFIC??$

How_much_bandwidth_is_required_to_transmit_the_primary_and_secondary_synchronization_signals?$

In LTE, what is the benefit of PAPR reduction in the uplink?

What is the largest channel bandwidth a UE is required to support in LTE?

How often can resources be allocated to the UE?

Which channel indicates the number of symbols used by the PDCCH?

Which organization is responsible for developing LTE standards?

What is the minimum amount of RF spectrum needed for an FDD LTE radio channel?

What type of handovers is supported by LTE?

Which UE category supports 64 QAM on the uplink?