5G Networks

FDD vs TDD: What are FDD and TDD in mobile networks?

FDD and TDD are two fundamental concepts in mobile communications and other telecom systems. Together they represent the duplexing schemes in mobile networks that deal with two-way communication. FDD (Frequency Division Duplex) is a technique in mobile networks that uses separate frequency bands for uplink and downlink communication; TDD (Time Division Duplex) is a technique …

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Difference between 5G mobile networks and 5GHz WiFi

With the growth of mobile internet and hotspots in recent years, people have found themselves in situations where cellular technology and WiFi can be used side by side to complement each other. However, some of the terminologies within these two very different technologies sound similar and can lead to confusion. One such confusion is between …

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VoLTE vs VoIP: Is Voice over LTE the same as Voice over IP?

VoLTE and VoIP are two interrelated technologies that enable voice services over data networks. VoLTE is a vital part of mobile cellular networks, while VoIP is a broader technology that is used in fixed and mobile networks. Voice over LTE (VoLTE) in 4G mobile networks is a type of Voice over IP (VoIP) technology that …

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How is 5G different from LTE Advanced and LTE Advanced Pro?

The 5G networks are already operational in many countries, and, as expected, there are some questions about the differences between 5G and the existing LTE (Long Term Evolution) technology. 5G represents the latest generation of mobile cellular networks, and it is different from 4G LTE networks. 5G is the fifth generation of mobile networks enabled …

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Difference between MU-MIMO and SU-MIMO in mobile networks

Multi-User MIMO (MU-MIMO) and Single-User MIMO (SU-MIMO) are two antenna technologies used in modern wireless networks, including 4G and 5G mobile networks. While both MU-MIMO and SU-MIMO are part of the overall Multiple Input Multiple Output (MIMO) technology, there are key differences between the two that we will cover in this post. MU-MIMO uses radio …

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Is spatial multiplexing different from spatial diversity?

Spatial multiplexing and spatial diversity are two radio communication techniques used in modern antenna systems in 4G LTE and 5G NR networks. Both these techniques play essential but separate roles in the MIMO (Multiple Input Multiple Output) antenna systems. Spatial diversity is a technique in MIMO that reduces signal fading by sending multiple copies of …

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