Drive test for 2G to 5G

Question 1

Choose 2G GSM drive test parameters
1) Rx level
2) Rx Quality
3) C/I: The carrier-over-interference ratio
4) FER: Frame Erasure Rate

Answer 1

All of them

Question 2

In 2G drive test, FER stands for
1) Frame Error Rate
2) Frame Erasure Rate

Answer 2

Frame Erasure Rate
shows dropped frames

Question 3

2G GSM drive test parameter FER is indication of
1) voice quality
2) data quality

Answer 3

voice quality
FER: Frame Erasure Rate

Question 4

2G GSM drive test parameter Rx quality is measured on the basis of
1) FER
2) BER

Answer 4

BER: Bit Error Ratio
Range 0-7 where value 0 denotes minimum BER

Question 5

Choose 3G GSM drive test parameters
1) CPICH Ec/No
2) CPICH RSCP
3) RSSI
4) SIR

Answer 5

all of them
1. Chip Energy by Noise- Common Pilot channel Ec/No
2. Received signal Code Power
3. Received Signal Strength Indicator
4. Signal to Interference ratio

Question 6

In 3G drive testing, _____ shows the level of Noise disrupting the specific CPICH
1) CPICH Ec/No
2) CPICH RSCP

Answer 6

CPICH Ec/No
0 to -7 Good
to -10 Acceptable
10 to -36 Bad

Question 7

In 3G drive testing, Ranges for Ec/No: (-36 to 0)

Answer 7

0 to -7 Good
to -10 Acceptable
10 to -36 Bad

Question 8

In 3G drive testing, Tx Power is the power of a mobile station measured in the dedicated mode. It ranges from ______dBm to ________dBm

Answer 8

50 to -50

Question 9

In 3G drive testing, choose the correct one
1) RSSI= RSCP + Ec/No
2) RSCP= RSSI + Ec/No

Answer 9

1) RSSI= RSCP + Ec/No

Question 10

Choose 3G GSM drive test parameters
1) SQI
2) RRC STATE
3) TX POWER
4) AS

Answer 10

all of them
SQI: Speech Quality Index
AS: active set

Question 11

3G GSM drive test parameter AS indicates

Answer 11

Active Set
Set of scrambling codes on which the user equipment is currently latched on.
There can be at least maximum three scrambling codes in an Active Set.

Question 12

In 3G drive testing, there can be at least maximum ______ scrambling codes in an Active Set.
1) one
2) two
3) three
4) four

Answer 12

three

Question 13

Neighbor cell that is detected by user equipment as a neighbor
1) MN: Monitored Neighbour
2) DN: Detected Neighbour
3) Active set

Answer 13

MN: Monitored Neighbour

Question 13

The cells detected by UE, which are neither in the Active set nor in the Monitored set
1) MN: Monitored Neighbour
2) DN: Detected Neighbour
3) Active set

Answer 13

DN: Detected Neighbour

Question 14

In 3G drive testing, set of scrambling codes on which the user equipment is currently latched on
1) MN: Monitored Neighbour
2) DN: Detected Neighbour
3) Active set

Answer 14

Active set

Question 15

In 3G drive testing, ______ are used to identify different cells of a node B
1) scrambling codes
2) RRC state

Answer 15

scrambling codes

Question 16

3G GSM drive test parameter SQI stands for

Answer 16

Speech Quality Index
It ranges from 0 to 30. 30 being the Best Value

Question 17

3G GSM drive test parameter RRC state shows

Answer 17

the current state of channel as in idle or dedicated

Question 18

WCDMA use AMR source Coding. AMR vary with different Ranges Highest AMR Value is _____ and lowest AMR value is ______
1) 10.75, 6.20
2) 12.20, 4.75
3) 4.75, 12.20
4) 6.20, 10.75

Answer 18

12.20, 4.75

Question 19

In 3G drive testing, It shows the total signal strength of a UTRA carrier frequency i.e. signal strength of all cells of same frequency at a certain location.
1) RSSI
2) RSCP
3) Ec/No

Answer 19

RSSI: Received Signal Strength Indicator

Question 20

In 3G drive testing, the received power on one code measured on the Primary CPICH. It shows the signal strength of a cell. It Indicates Coverage.
1) RSSI
2) RSCP
3) Ec/No

Answer 20

RSCP: Received signal Code Power

Question 21

In 3G drive testing, it shows signal quality
1) RSSI
2) RSCP
3) Ec/No

Answer 21

Ec/No
received energy per chip divided by the
power density in the band

Question 22

In 3G drive testing, value of Ec/No>_____ is considered good
1) -10dB
2) -15dB
3) -20dB
4) -25dB

Answer 22

-15dB

Question 23

In 3G drive testing, reasons of poor Ec/Io
1) poor RSCP
2) missing neighbors
3) overshooting
4) pilot pollution

Answer 23

all of them

Question 24

In 3G drive testing, UTRA cells currently assigning a downlink DPCH to the UE constitute _______ 1) MN: Monitored Neighbour 2) DN: Detected Neighbour 3) Active set

Answer 24

Active set

Question 25

Probable candidate sectors for handovers 1) MN: Monitored Neighbour 2) DN: Detected Neighbour 3) Active set

Answer 25

MN: Monitored Neighbour

Question 26

In 3G drive testing, These must not have high signal strengths otherwise they will degrade the aggregate Ec/No & lead to call drops. 1) MN: Monitored Neighbour 2) DN: Detected Neighbour 3) Active set

Answer 26

DN: Detected Neighbour

Question 27

In 3G drive testing, Physical optimization should be done so that there _______ (should be/should not be) many Pilots available at same spot with equally high signal strengths.

Answer 27

should not be. All other strong signals received when Active Set Size is full, act as interference which degrades the performance of the system

Question 28

The main KPIs relevant to operator losses. 1) The Call Setup Success Rate (CSSR) 2) dropcall rate (DCR)

Answer 28

both

Question 29

Drive test is done while 1) planning the network development 2) the optimization stage of network development

Answer 29

both The data is collected by drive test tool in the form of Log files

Question 30

Types of drive testing 1) Network Benchmarking 2) Optimization & Troubleshooting 3) Service Quality Monitoring

Answer 30

all of them

Question 31

Service Quality Monitoring is typically carried out in an automated fashion

Answer 31

T

Question 32

Data Collection Tools 1) TEMS Investigation 2) Nemo Outdoor 3) JDSU E6474A 4) Accuver XCAL

Answer 32

all of them

Question 33

Post-processing tools 1) Actix Analyzer/Spotlight 2) Accuver XCAP 3) TEMS Discovery LTE 4) Accuver XCAL

Answer 33

1,2,3 4) Accuver XCAL is a data collection tool

Question 34

In 4G LTE drive testing, it indicates coverage 1) RSRP 2) RSRQ 3) RSSI 4) RSCP

Answer 34

RSRP: Reference Signal Received Power

Question 35

In 4G LTE drive testing, it indicates quality of the received signal 1) RSRP 2) RSRQ 3) RSSI 4) RSCP

Answer 35

RSRQ: Reference Signal Received Quality

Question 36

In 4G LTE drive testing, it indicates total received wide-band power (measure in all symbols) including all interference and thermal noise 1) RSRP 2) RSRQ 3) RSSI 4) RSCP

Answer 36

RSSI: Received Signal Strength Indicator

Question 37

In 4G LTE drive testing, it contains information sent from a UE to the eNode-B to indicate a suitable downlink transmission data rate, i.e., a Modulation and Coding Scheme (MCS) value 1) RSRP 2) RSRQ 3) RSSI 4) CQI 5) SINR

Answer 37

CQI: Channel Quality Indicator CQI is a 4-bit integer and is based on the observed signal-to-interference-plus-noise ratio (SINR) at the UE.

Question 38

In 4G LTE drive testing, the ____ reported values are used by the eNode-B for downlink scheduling and link adaptation, which are important features of LTE. 1) RSRP 2) RSRQ 3) RSSI 4) CQI 5) SINR

Answer 38

CQI: Channel Quality Indicator

Question 39

CQI=0 indicates 1) full coverage 2) out of range 3) none of the above

Answer 39

out of range

Question 40

In 4G LTE drive testing, wideband power = noise + serving cell power + interference power 1) RSRP 2) RSRQ 3) RSSI 4) CQI 5) SINR

Answer 40

RSSI: Received Signal Strength Indicator

Question 41

In 4G LTE drive testing, 1) RSRP=N*(RSRQ/RSSI) 2) RSRQ=N*(RSRP/RSSI) 3) RSSI=N*(RSRQ/RSSI) 4) RSSI=N*(RSRP/RSRQ) Where N is the number of Resource Blocks of the E-UTRA carrier

Answer 41

RSRQ=N*(RSRP/RSSI) Where N is the number of Resource Blocks of the E-UTRA carrier

Question 42

In 5G drive testing, it indicates coverage 1) SS-RSRP 2) SS-RSRQ 3) RSSI 4) CQI 5) SS-SINR

Answer 42

SS-RSRQ

Question 43

In 5G drive testing, The RSRP and RSSI are both measured across the same set of Resource Blocks.

Answer 43

T

Question 44

In 5G drive testing, in contrast to RSRP measurements, RSRQ measurements are not used when reporting Channel State

Answer 44

T

Question 45

In 5G drive testing, CSI-RSRP stands for

Answer 45

Channel State information - Reference Signal Received Power

Question 46

In 5G drive testing, _______ are used for connected mode mobility, power control calculations, and beam management 1) CSI-RSRP 2) SS-RSRP 2) CSI-RSRQ 3) SS-RSRQ

Answer 46

CSI-RSRP

Question 47

In 5G drive testing, SS-RSRP stands for

Answer 47

Synchronisation Signal - Reference Signal Received Power

Question 48

In 5G drive testing, _______ are used for cell selection, cell reselection and mobility procedures 1) CSI-RSRP 2) SS-RSRP 2) CSI-RSRQ 3) SS-RSRQ

Answer 48

SS-RSRP