What is the interface between EPG and PCRF?

What is the interface between EPG and PCRF? Let me explain this in a simple and clear way, so you and I can understand how things work between two important elements in an LTE or EPC (Evolved Packet Core) architecture — the EPG and the PCRF. If you’ve been reading earlier discussions, you might recall … Read more

What is the interface between PGW and PCRF?

What is the interface between PGW and PCRF? Let me explain this to you in a simple and clear way, so you can easily understand how communication happens between key elements in an LTE core network. Today, we’re focusing on the interface between the PGW (Packet Data Network Gateway) and the PCRF (Policy and Charging … 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