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ECP-383
Ericsson Certified Associate - Radio Network Optimization Questions and Answers

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Questions # 1:

Review the exhibit.

Question # 1

An operator's LTE single layer network has a cell not carrying enough traffic. To increase the traffic carried by the cell, the operator decides to modify the Idle mode behavior of the cell. Values for the qRxLevMin and qQuaimin parameters are currently set to -120 dBm and -12 dB.

Referring to the exhibit, which two configurations would be used to potentially increase the traffic carried by this cell? (Choose two.)

Options:

Set the qRxLevMin parameter to -117 dBm.

Set the qQualMin parameter to -15 dB.

Set the qQuaiMin parameter to -9 dB.

Set the qRxLevMin parameter to -123 dBm.

Answer

B, D

Questions # 2:

What is the recommended setting for the primaryCpichPower parameter according to Ericsson NDO guidelines?

Options:

less than 33 dBm

36 dBm or more Independently of the maximum transmission power

8-10% of min[maximumTransmissionPower, maxDlPowerCapability]

33 dBm independently of maximum transmission power

Answer

Questions # 3:

How would the highest theoretical UL throughput in a WCDMA network that supports HSPA be achieved?

Options:

using R99, UL SF 4

using R99, UL SF 8

using 2 ms TTI for EUL

using 10 ms TTI for EUL

Answer

Questions # 4:

Review the exhibit.

Question # 4

Cell A has neighbor relations with cells B and C which share the same frequency and PCI. Cells B and C do not share any overlapping area.

Referring to the exhibit which statement is correct?

Options:

Handover performance of cell A is affected.

There is no degraded performance expected in any of the cells.

Handover performance of cell C is affected.

Handover performance of cell B is affected.

Answer

Questions # 5:

What is a benefit of soft handover?

Options:

It decreases channel element usage.

It ensures successful handover among detected cells.

It reduces the connected user load of neighboring cells.

It decreases interference.

Answer

Questions # 6:

What are two correct characteristics of TDD and FDD LTE systems? (Choose two.)

Options:

TDD LTE systems use guard period intervals after downlink transmissions.

FDD LTE systems require paired spectrum to separate uplink and downlink transmissions.

TDD LTE systems use guard period intervals after uplink transmissions.

TDD LTE systems require paired spectrum to separate uplink and downlink transmissions.

Answer

B, C

Questions # 7:

Which two statements correctly describe Single Carrier Frequency Division Multiple Access (SC-FDMA) as used in LTE systems using uplink SIMO? (Choose two.)