Ericsson RF Planning & Optimization Engineer Interview Questions and Answers

Q1. Document verification
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Q2. What are the Optimization
Ans. 
Optimization in RF planning involves fine-tuning network parameters to improve performance and efficiency.
• Optimization involves adjusting parameters such as antenna tilt, power levels, and handover parameters to improve network coverage and capacity.

• It also includes analyzing network KPIs and making adjustments to meet performance targets.

• Optimization may involve implementing features like carrier aggregation, MIMO, an...read more
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Q3. Optimization is rf condition water
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Optimization of RF conditions is crucial for ensuring optimal network performance.
• Optimization involves adjusting various parameters such as power levels, antenna tilt, and frequency allocation to improve network performance.

• RF conditions refer to the quality of the radio frequency signal, including factors like signal strength, interference, and noise.

• Water can affect RF conditions by absorbing or reflecting radio wav...read more
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Q4. Optimization kpi
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Q1. Different n/w layers
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Different network layers include physical, data link, network, transport, session, presentation, and application layers.
• Physical layer: responsible for transmitting raw bits over a communication channel

• Data link layer: responsible for error-free transfer of data between nodes on a network

• Network layer: responsible for routing data packets between networks

• Transport layer: responsible for reliable data transfer between a...read more
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Q1. Firewall works on what layers
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Firewall works on multiple layers of OSI model
• Firewall operates on layers 3 (network layer) and 4 (transport layer) of the OSI model

• It can filter traffic based on IP addresses, ports, protocols, and other criteria

• Firewalls can also perform deep packet inspection to detect and block malicious traffic

• Examples of firewall software include Cisco ASA, pfSense, and Windows Firewall
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Q1. Basic question related to known technologies..
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Q1. Parameter and counter level questions conducting by chinese guy
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Q1. No major discussion except salary package..
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Q1. Carrier aggregation
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Q2. Ccs more than two
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Q1. WHAT IS QCI ? explain QCI7 !
Ans. 
QCI stands for QoS Class Identifier, a parameter used in LTE networks to differentiate between different levels of service quality. QCI7 is used for Internet of Things (IoT) applications.
• QCI stands for QoS Class Identifier in LTE networks

• It is used to differentiate between different levels of service quality

• QCI7 specifically is used for Internet of Things (IoT) applications
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Q2. What is MME Drop and eNodeB Drop in LTE ?
Ans. 
MME Drop and eNodeB Drop in LTE refer to the loss of connection between the mobile device and the network due to various reasons.
• MME Drop refers to the loss of connection between the mobile device and the Mobility Management Entity (MME) in LTE network.

• eNodeB Drop refers to the loss of connection between the mobile device and the eNodeB (base station) in LTE network.

• These drops can occur due to factors such as poor sig...read more
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2G 3G 4G Technologies and Network Parameters & Electronics basics

Q1. What is 4G parameters and explain
Ans. 
4G parameters are settings that control the performance of a 4G network.
• 4G parameters include things like handover thresholds, power control settings, and modulation schemes.

• These settings can be adjusted to optimize network performance and improve user experience.

• Examples of 4G parameters include RSRP, RSRQ, SINR, and MCS.

• RSRP (Reference Signal Received Power) is a measure of the signal strength at the receiver.

• RSRQ (...read more
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Q2. What about knowledge of MS-Office please explain
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q6. What are your strengths and weaknesses?
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Q7. Tell me about yourself.
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