What is the interface between SGW and PGW in 4G network?

What is the interface between SGW and PGW in 4G network? Today, I’m going to explain the interface between the Serving Gateway (SGW) and the Packet Data Network Gateway (PGW) in a 4G LTE network. If you’ve read our earlier discussions on LTE core network architecture, you already know that both SGW and PGW are … Read more

What is the interface between eNodeB and UE?

What is the interface between eNodeB and UE? Let me explain this to you in a clear and straightforward way. When you’re using your mobile device to connect to a 4G LTE network, your phone — known as User Equipment (UE) — communicates directly with a network component called the eNodeB (Evolved Node B). This … Read more

What is the HSS in LTE?

The Home Subscriber Server (HSS) is a core network element in LTE (Long Term Evolution) architecture that plays a central role in managing user subscriptions, authentication, authorization, and mobility. It is an essential component of the EPC (Evolved Packet Core) and acts as the primary database for all user-related information in the LTE network. HSS … Read more

What is the interface between eNB and MME?

What is the interface between eNB and MME? Let me explain to you about one of the essential connections in the LTE architecture — the interface between the eNodeB (eNB) and the Mobility Management Entity (MME). If you’ve gone through earlier topics like the LTE architecture or how signaling flows in the network, you already … Read more

What is the interface between eNodeB and SGW?

What is the interface between eNodeB and SGW? Let me explain this in a clear and direct way so you understand how the LTE network components interact. When you’re exploring LTE architecture, one important connection you’ll need to understand is the interface between the eNodeB (Evolved Node B) and the SGW (Serving Gateway). In LTE, … Read more

What is the history of LTE technology?

What is the History of LTE Technology? Today, let’s explore the fascinating history of LTE technology and how it evolved into the high-speed mobile communication standard we rely on today. If you’ve followed some of our previous articles, you may already know that LTE (Long-Term Evolution) is a fourth-generation (4G) wireless communication technology that has … Read more

What is the history of LTE?

What is the History of LTE? Today, we’re going to explore the history of LTE, which has played a pivotal role in shaping the mobile communication landscape. Let me take you on a journey through its evolution, starting from the earlier days of mobile networks all the way to the advanced 4G and LTE technologies … Read more

What is the HLR in LTE?

What is the HLR in LTE? In today’s article, we’re going to explore the concept of the HLR (Home Location Register) and its role in LTE networks. If you’ve been following our previous discussions, you might already know that LTE (Long-Term Evolution) networks focus on providing high-speed mobile data services. However, for LTE networks to … Read more

What is the home subscriber service in LTE?

What is the Home Subscriber Service in LTE? Let me explain to you what the Home Subscriber Service (HSS) is in LTE, and why it’s essential for making your mobile network experience smooth and personalized. As we’ve already explored several LTE core components in earlier topics, now it’s time to understand the role HSS plays … Read more

What is the guard band in LTE?

What is the Guard Band in LTE? In LTE (Long-Term Evolution) networks, you may come across the term “guard band” frequently. Let me walk you through what it means and why it’s important in mobile communications. A guard band refers to a small frequency range that is intentionally left unused between adjacent channels to prevent … Read more