10+ Rao IIT Academy Interview Questions and Answers

Call will be dropped when moving from one cell to another

• Handover is essential for seamless transition between cells

• Without handover, call quality may degrade or call may be dropped

• Handover ensures continuity of service as user moves between cells

The shape of the GPS antenna end cable depends on the specific requirements of the application.

• The shape of the GPS antenna end cable can vary based on factors such as space constraints, signal strength requirements, and environmental conditions.

• Common shapes for GPS antenna end cables include straight, right angle, and custom shapes designed for specific installations.

• For example, a straight cable may be used when there is ample space for installation, while a right angle ca...read more

Parameters in LTE include bandwidth, frequency, modulation scheme, coding scheme, and transmission power.

• Bandwidth: Determines the amount of frequency spectrum allocated for LTE transmission.

• Frequency: Specifies the carrier frequency used for LTE communication.

• Modulation scheme: Defines how data is encoded onto the carrier signal.

• Coding scheme: Determines the error correction capabilities of the LTE system.

• Transmission power: Specifies the power level at which signals are tra...read more

VoLTE stands for Voice over LTE, which allows voice calls to be made over a 4G LTE network.

• VoLTE uses IP packets to transmit voice calls over LTE networks

• Provides higher quality voice calls compared to traditional 2G/3G networks

• Enables faster call setup times and improved battery life on smartphones

• Supports features like HD voice, video calling, and simultaneous voice and data usage

• Examples: Verizon's HD Voice, AT&T's Voice over LTE (VoLTE)

The type of grounding cable used in BTS is typically a copper grounding cable.

• Copper grounding cables are commonly used in BTS installations for their conductivity and durability.

• The grounding cable should be properly sized based on the current carrying capacity and grounding requirements.

• Proper installation and maintenance of the grounding cable is crucial for effective grounding in BTS.

• Examples of grounding cables used in BTS include stranded copper cables with appropriate ...read more

RSA and OHS processes are important for ensuring safety and security in telecom operations.

• RSA (Risk and Security Assessment) process involves identifying potential risks and vulnerabilities in the telecom network and implementing measures to mitigate them.

• OHS (Occupational Health and Safety) process focuses on ensuring the safety and well-being of employees working in the telecom industry.

• Examples of RSA measures include firewalls, encryption, and access controls, while OHS ...read more

Types of handover include hard handover, soft handover, and softer handover.

• Hard handover involves breaking the connection with the current cell before establishing a connection with the new cell.

• Soft handover allows the mobile device to communicate with multiple cells simultaneously before switching to the new cell.

• Softer handover is a variation of soft handover where the mobile device communicates with multiple sectors within the same cell.

• Examples: Hard handover - when a c...read more

To restore a site when power and synchronization cables are not working properly, follow these steps.

• Check for any loose connections or damaged cables

• Try using different power and synchronization cables

• Ensure that the power source is functioning properly

• Reset the site equipment and try again

• Contact technical support for further assistance

To fix a problem in Ericsson equipment while doing configuration, follow these steps:

• Identify the problem and its root cause

• Check the configuration settings and make necessary changes

• Perform a system reset if required

• Contact Ericsson support if the issue persists

• Ensure proper documentation and communication with stakeholders

Configuration of Ericsson equipment involves several steps.

• Access the equipment's configuration interface

• Identify the parameters to be configured

• Enter the appropriate values for each parameter

• Save the configuration changes

• Test the equipment to ensure proper functionality

Parameters required for LOS survey

• Location of the survey

• Frequency of the survey

• Sample size

• Survey questions

• Data collection method

Antenna related issues can be solved by troubleshooting, adjusting antenna position, checking connections, and using signal boosters.

• Troubleshoot the antenna system to identify the root cause of the issue

• Adjust the antenna position for better signal reception

• Check connections for any loose or damaged cables

• Consider using signal boosters to improve signal strength

• Consult with a professional if needed for complex issues