Nokia
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Nokia is a global leader in telecommunications technology and I am passionate about RF engineering, making this job a perfect fit for me.
Nokia is a renowned company with a strong reputation in the telecommunications industry
I have a deep interest in RF engineering and Nokia offers opportunities to work on cutting-edge technologies in this field
The company's commitment to innovation and continuous learning aligns with m
Interface between LTE refers to the connection between the LTE network and other networks or devices.
LTE interfaces with other cellular networks such as 3G and 2G through inter-RAT handover
LTE also interfaces with non-cellular networks such as Wi-Fi and Ethernet through evolved packet core (EPC)
LTE devices interface with the LTE network through the air interface using radio frequency signals
LTE also interfaces with cor...
X2 interface is a communication interface between two eNodeBs in LTE network.
X2 interface is used for inter-cell handover and load balancing.
It is a point-to-point interface that connects two eNodeBs.
X2 interface is used for exchanging control and user plane data between eNodeBs.
It is a critical interface for LTE network performance and reliability.
X2 interface supports various protocols such as S1AP, GTP, and RANAP.
LTE has 20 MHz bandwidth divided into 100 resource blocks. Each resource block has 12 subcarriers and 7 symbols.
LTE has 20 MHz bandwidth
Divided into 100 resource blocks
Each resource block has 12 subcarriers and 7 symbols
KPIs (Key Performance Indicators) of LTE include throughput, latency, coverage, and call setup success rate.
Throughput measures the amount of data that can be transmitted over the network in a given time period.
Latency measures the time it takes for data to travel from the source to the destination.
Coverage measures the area where the network signal is available.
Call setup success rate measures the percentage of succes...
CSFB stands for Circuit Switched Fallback, a technology that allows LTE devices to fallback to 2G or 3G networks for voice calls.
CSFB is used when a LTE device is unable to make a voice call over the LTE network.
It allows the device to switch to a 2G or 3G network for voice calls.
CSFB is a temporary solution until VoLTE (Voice over LTE) becomes more widely available.
CSFB can cause call setup delays and impact the user
OFDMA is used in LTE to improve spectral efficiency and support multiple users simultaneously.
OFDMA allows for multiple users to share the same frequency band by dividing it into smaller subcarriers.
It also enables dynamic allocation of subcarriers to users based on their bandwidth requirements.
This results in better spectral efficiency and higher data rates.
OFDMA is also resistant to interference and fading, making it...
FDD and TDD are two different duplexing techniques used in wireless communication.
FDD stands for Frequency Division Duplexing and TDD stands for Time Division Duplexing.
In FDD, separate frequency bands are used for uplink and downlink communication, while in TDD, the same frequency band is used for both uplink and downlink communication.
FDD is used in technologies like 2G, 3G, and 4G LTE, while TDD is used in technolog...
Massive MIMO stands for Massive Multiple Input Multiple Output. It is a wireless communication technology that uses a large number of antennas at the base station to improve network performance.
Massive MIMO uses a large number of antennas at the base station to improve network performance.
It can significantly increase the capacity and coverage of wireless networks.
It works by using spatial multiplexing to transmit mult...
Handover is the process of transferring an ongoing call or data session from one cell to another.
There are two types of handover: Hard Handover and Soft Handover.
Hard Handover involves breaking the connection with the current cell before establishing a connection with the new cell.
Soft Handover involves establishing a connection with the new cell before breaking the connection with the current cell.
The handover process...
A wire harness is a collection of wires, cables, and connectors that transmit electrical signals and power between different components in a system.
Wire harnesses provide a neat and organized way to route and protect wires in a system.
They ensure proper connectivity and prevent wire damage or short circuits.
Wire harnesses simplify troubleshooting and maintenance by allowing easy identification and replacement of faulty...
Sputtering is a process used in manufacturing to deposit thin films of material onto a surface.
Sputtering is a physical vapor deposition technique.
It involves bombarding a target material with high-energy ions or atoms.
This bombardment dislodges atoms from the target material, which then deposit onto a substrate.
Sputtering is commonly used in the production of semiconductor devices, solar cells, and thin film coatings.
...
I applied via Approached by Company and was interviewed before Feb 2021. There were 3 interview rounds.
I applied via Referral and was interviewed before Feb 2022. There were 4 interview rounds.
Discussion about Basic Information
I applied via Company Website and was interviewed in Jan 2022. There were 3 interview rounds.
Testing is the process of evaluating a system or component to determine if it satisfies specified requirements.
Testing is done to identify defects or errors in software or hardware.
It involves executing a system or component with the intent of finding bugs or verifying its functionality.
Testing can be performed at various levels such as unit testing, integration testing, system testing, and acceptance testing.
Different...
Testing is done to ensure that the software meets the requirements and is of high quality.
To identify defects and errors in the software
To ensure that the software meets the specified requirements
To improve the quality of the software
To increase customer satisfaction
To reduce the risk of software failure
To ensure that the software is reliable and secure
I applied via Referral and was interviewed in Nov 2020. There were 4 interview rounds.
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