Research Engineer Trainee Interview Questions and Answers

A channel is a medium through which information or data is transmitted from one point to another.

• Channels can be physical, such as wires or cables, or wireless, such as radio waves or infrared signals.

• They can transmit various types of information, including audio, video, and data.

• Channels can have different characteristics, such as bandwidth, latency, and noise.

• Examples of channels include Ethernet cables, Wi-Fi networks, and satellite communication.

• Channels can be simplex, ...read more

Flat fading is when the entire frequency band experiences the same amount of fading. Frequency selective fading is when different frequencies experience different amounts of fading.

• Flat fading occurs when the signal experiences the same amount of attenuation across the entire frequency band.

• Frequency selective fading occurs when different frequencies experience different amounts of attenuation.

• Flat fading can be caused by reflection, diffraction, or scattering of the signal.

• F...read more