2G & 3G Networks

What is the difference between FDD And TDD In Telecoms?

In mobile communications, terminologies like FDD and TDD have existed from the beginning, and they are fundamental to the network design of any cellular technology. This post looks at the basic concept of FDD (Frequency Division Duplex) and TDD (Time Division Duplex) and their benefits for mobile operators. FDD (Frequency Division Duplex) is a technique …

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Is EDGE 2G or 3G?

The different network generations have been achieved through various cellular technologies in mobile communications, which can be slightly confusing, especially if you are new to the industry. If you live in the US, it may be even more confusing due to multiple technologies for both 2G and 3G networks. EDGE is a technology that belongs …

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What is the difference between GPRS and GPS?

GPRS and GPS are two completely different things, and comparing them is like comparing apples and oranges. However, since both of these terminologies sound similar and our smartphones can have both, the difference between these two technologies is worth clarifying explicitly. In straightforward terms, GPS is used for navigation and uses signals from satellites orbiting …

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What is the difference between HSCSD and GPRS?

HSCSD-High Speed Circuit Switched Data and GPRS-General Packet Radio Service are second-generation network enhancements made to the most widely deployed 2nd generation standard GSM. GSM, which stands for Global System for Mobile Communications, is a second-generation network technology that started its journey in the early 1990s. The second generation of mobile networks primarily enabled voice …

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Difference between MIMO and Spatial Multiplexing

MIMO and spatial multiplexing are two inter-related concepts often used interchangeably in mobile communications. MIMO or Multiple Input Multiple Output is an antenna technology first introduced in the 3G UMTS networks as part of HSPA enhancement. Modern mobile networks, including both 4G LTE and 5G NR, use different variants of MIMO technology to improve signal …

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Is 4G-LTE CDMA or GSM?

For many people who live in Europe or in a country where GSM has been the key 2G technology, LTE is a relatively straightforward concept as it allows their mobile phones to access 4G services in addition to 3G and 2G. However, if you live in the US or in a country where CDMA-based technologies …

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