Mobile Core – Commsbrief

3G UMTS networks: What is UMTS and why does it use WCDMA?

By Adnan Ghayas / June 28, 2021 May 14, 2022

The third generation of mobile networks, also referred to as 3G, is primarily enabled by two cellular technologies: UMTS (Universal Mobile Telecommunication System) and CDMA2000 (Code Division Multiple Access Year 2000). UMTS is the 3G migration path used by the most widely deployed second-generation (2G) technology, GSM. UMTS (Universal Mobile Telecommunication System) is a third-generation …

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How does 5G network slicing support futuristic 5G use cases?

By Adnan Ghayas / June 1, 2021 April 8, 2022

5G mobile networks are highly flexible, and they use a range of different technologies to adapt to the customers’ changing needs. One key technology within 5G New Radio (NR) networks is network slicing which allows them to use the same 5G network infrastructure to serve a wide range of use cases. Network slicing is a …

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What is the difference between GGSN and SGSN?

By Adnan Ghayas / November 17, 2019 May 3, 2022

SGSN and GGSN are two terminologies that started their journey in the late 1990s when General Packet Radio Service (GPRS) was introduced. SGSN and GGSN are two core network nodes that have been part of mobile communications since then. GGSN (Gateway GPRS Support Node) and SGSN (Serving GPRS Support Node) are two core network nodes …

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What is a mobile core network?

By Adnan Ghayas / November 5, 2019 May 8, 2022

A mobile core network is essential to every activity we perform through our mobile phones. It connects our mobile phones to external networks and allows us to access all the services that we are entitled to use. A mobile core network is a central part of the overall mobile network that allows subscribers to get …

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