fiber optics
How Light Travels Through Fiber Optic Cables: Complete Explanation
Generally light rays propagate within different media at different velocities. It seems too, as though different media …
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August 09, 2025
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analog communication
communication
What are the advantages and disadvantages of analog modulation?
Analog modulation, as a form of modulation in communication systems, has both advantages and disadvantages. Here are so…
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May 20, 2023
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difference
A Comparison of Amplitude Modulation and Frequency Modulation
Amplitude Modulation (AM) and Frequency Modulation (FM) are two popular techniques used to transmit signals over long …
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March 08, 2017
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wireless cellular mobile communication
Expanding the Capacity of Cellular Mobile Networks: Cell Splitting, Sectoring, and Coverage Zones
Cellular mobile networks have become an indispensable part of modern society, providing ubiquitous voice and data servi…
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January 08, 2017
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digital communication
Comparison of PCM, DM, and ADM: Which one is the best for digital communication?
When the analog signal is sampled, it can be quantized and encoded by any one of the following techniques- …
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October 12, 2016
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pulse amplitude modulation
What is Aperture effect in digital communication?
The term "aperture effect" is often used in the context of digital communication and refers to the phenomenon…
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August 03, 2016
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sampling
What is Aliasing in digital communication ?
When the signals are sampled at the rate less than Nyquist rate ( sampling frequency > 2W ), then aliasing take plac…
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August 03, 2016
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signal
Different types of noises and signals in communication system
What is noise? The noise is the unwanted signals that tend to disturb the operation of a system and over which we…
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August 01, 2016
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digital communication
Different types of noises & signals in communication sustem
What is Noise? The noise is the unwanted signals that tend to disturb the operation of a system and over whi…
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December 26, 2015
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modulation
Understanding Modulation & Demodulation in communication system (Why?)
Communication is the process of transmitting information. Baseband communication : Communication that directly tran…
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December 07, 2015
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trend
A Communication system and its limitations
Communication System : Communication system is the system designed to transmit information. The components of a comm…
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December 07, 2015
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