Blog - Page 2 of 9 - Commsbrief

What is mobile telecommunication and why is it important?

By Adnan Ghayas / May 31, 2021 June 13, 2021

Mobile telecommunication, mobile telecom, mobile communications, and cellular communications are some of the terminologies used for referring to the communication that occurs through our smartphones when connected to a mobile network. However, it is good to note that not all communication through our smartphones is mobile communication. There are, of course, cases when we are …

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What does 4G LTE stand for?

By Adnan Ghayas / April 11, 2021 June 15, 2021

As a mobile phone user, you must have come across situations when you notice symbols like LTE, LTE+, 4G and 4G+ on your cell phone screen like the screenshots below. This post will explain what 4G LTE means, what LTE stands for, and how it fits with the new 5G technology, which has already been …

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What is Voice over LTE – VoLTE?

By Adnan Ghayas / April 10, 2021 July 11, 2021

Voice calling has been one of the key considerations for most of us when buying a mobile phone subscription. It is the most fundamental service that our mobile phones provide us, and as a solution, mobile operators have always been able to offer it. If ‘voice’ is such a basic part of mobile phone service, …

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Can 5G offer high speed internet services?

By Adnan Ghayas / April 6, 2021 April 15, 2021

Since the beginning of the year 2020, many of us have been working from home and, as a result, relying more on our home broadband than we ever did before. Home broadband services have always been an essential part of our monthly budget; however, the service never really got tested in the way it did …

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What modulation technique is used in 4G-LTE networks?

By Adnan Ghayas / March 20, 2021 April 15, 2021

Modulation is one of the most fundamental concepts in mobile communications and is applied multiple times during each transmission of a mobile signal. One of my embarrassing memories is when I had to explain the concept of modulation to an experienced telecom professional during a job interview just after finishing my Bachelors. Even though my …

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Why 4G LTE Networks Use OFDM And OFDMA techniques?

By Adnan Ghayas / February 5, 2021 April 15, 2021

As technical as they may sound, OFDM and OFDMA are gaining popularity both in the mobile and fixed wireless industries. OFDM – Orthogonal Frequency Division Multiplexing and OFDMA – Orthogonal Frequency Division Multiple Access technologies are used in modern wireless networks, including 4G LTE, 5G NR, WiMAX and WiFi6. Before dividing into the ‘Orthogonal’ and …

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Is 5G NR different from Gigabit LTE, LTE-Advanced and LTE-A Pro networks?

By Adnan Ghayas / January 3, 2021 April 15, 2021

The 5G technology has already arrived in many countries across the world. Whenever a new technology is about to enter, some inter-related terminologies and buzzwords either follow or come to the surface even before the new technology is available. This happened at the start of 4G LTE and is now happening again with 5G. The …

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What is the difference between 4G LTE and LTE Advanced?

By Adnan Ghayas / December 31, 2020 July 23, 2021

4G – fourth-generation mobile networks today are the most prevalent cellular networks in most parts of the world. LTE or Long Term Evolution is the underlying technology that enables the fourth generation of mobile networks. The first publicly available LTE mobile network was launched in the Scandinavian cities of Stockholm and Oslo in 2009. That …

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What duplex-schemes 4G-LTE and 5G-NR networks use: FDD or TDD?

By Adnan Ghayas / December 27, 2020 April 15, 2021

If you have ever used a walkie-talkie, you may have noticed that communication is done only in one direction at a time. For example, if you want to talk, you usually press the “push to talk” button and speak while the person on the other side listens, and the same can be done in the …

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What are standalone and non-standalone 5G networks?

By Adnan Ghayas / September 19, 2020 June 29, 2021

For many people, 5G is probably just another generation of mobile networks with some additional features. Let’s face it; we see a new generation of mobile networks nearly every ten years, and now that we already get reliable mobile broadband speeds with 4G, do we really need yet another upgrade? It is not really a …

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