Ericsson Network Engineer Interview Questions, Process, and Tips

Q1. 4g architect and interphase used?
Ans. 
4G architecture includes radio access network (RAN), core network, and user equipment (UE) with interfaces like S1, X2, and LTE-Uu.
• 4G architecture consists of Radio Access Network (RAN), Core Network, and User Equipment (UE)

• Interfaces used in 4G architecture include S1, X2, and LTE-Uu

• RAN connects UE to the core network, while X2 is used for communication between base stations

• LTE-Uu is the air interface between UE and b
Answered by AI
Add your answer
Q2. Regarding throughput and sinr degradation how to improve?
Add your answer
Q3. How to calculate PRB?
Ans. 
PRB can be calculated by dividing the total available bandwidth by the bandwidth per PRB.
• Calculate total available bandwidth

• Determine the bandwidth per PRB

• Divide total available bandwidth by bandwidth per PRB to get the number of PRBs
Answered by AI
Add your answer
Q4. OSS kpi knowledge?
Add your answer

Q1. How we Can Load balancing done
Ans. 
Load balancing can be done by distributing network traffic across multiple servers to ensure optimal resource utilization and prevent overload.
• Implementing a load balancer device or software

• Configuring load balancing algorithms such as round-robin, least connections, or IP hash

• Monitoring server health and adjusting traffic distribution accordingly

• Scaling resources up or down based on traffic demands
Answered by AI
Add your answer
Q2. How we can found the SD Congestion
Ans. 
SD Congestion can be found by monitoring network traffic, analyzing performance metrics, and identifying bottlenecks.
• Monitor network traffic using tools like Wireshark or NetFlow

• Analyze performance metrics such as latency, packet loss, and throughput

• Identify bottlenecks in the network infrastructure, such as overloaded switches or routers
Answered by AI
Add your answer

Q1. How we can remove External Interference
Ans. 
External interference can be removed by implementing shielding, using filters, adjusting frequencies, and improving signal strength.
• Implement shielding to block external signals from interfering with the network

• Use filters to eliminate unwanted frequencies that may cause interference

• Adjust frequencies to avoid overlapping with other nearby networks

• Improve signal strength to overcome interference from distant sources
Answered by AI
Add your answer
Q2. LTE Accessibility formula
Ans. 
LTE Accessibility formula calculates the probability of successful connection to the LTE network.
• LTE Accessibility = (RSRP - PL) - (UE Noise + Interference)

• RSRP: Reference Signal Received Power

• PL: Path Loss

• UE: User Equipment
Answered by AI
Add your answer

Q1. What is your CTC
Ans. 
My current CTC is $80,000 per year.
• My current CTC is $80,000 per year

• I am open to discussing salary expectations during the interview process

• I have experience negotiating salary based on skills and experience
Answered by AI
Add your answer
Q2. What is your Notice Period Time
Add your answer

Q1. Types of antenna
Ans. 
Types of antennas include dipole, Yagi, parabolic, patch, and helical antennas.
• Dipole antenna: simple and commonly used for radio and TV broadcasting

• Yagi antenna: directional antenna with multiple elements for increased gain

• Parabolic antenna: dish-shaped antenna used for satellite communication

• Patch antenna: flat, compact antenna often used in wireless communication

• Helical antenna: spiral-shaped antenna used for circul
Answered by AI
Add your answer
Q2. Types of Ips . Versions
Ans. 
There are two main versions of IP addresses: IPv4 and IPv6.
• IPv4 addresses are 32-bit numerical addresses, expressed in four octets separated by periods (e.g. 192.168.1.1).

• IPv6 addresses are 128-bit hexadecimal addresses, expressed in eight groups of four hexadecimal digits separated by colons (e.g. 2001:0db8:85a3:0000:0000:8a2e:0370:7334).
Answered by AI
Add your answer

Q1. Tell me about yourself
Add your answer
Q2. What is your long term goal
Add your answer

General CAT style questions

Q1. What is a cell
Add your answer
Q2. Frequecy domain, time domain
Add your answer

Q1. Next 5 years look like?
Add your answer
Q2. Managing conflicts with team mates, managers
Add your answer

Group discussion means we need to discuss one or more topics with 4 or more members

Q1. Introduce yourself
Add your answer