What is the Function of the SGSN? Today, let’s dive into the role of the SGSN (Serving GPRS Support Node) in mobile networks. As we learned earlier about various network nodes like the MME, which handles signaling in LTE, the SGSN plays an important role in older 2G and 3G networks, primarily when dealing with … Read more
What is MCC and MNC in Access Point? Today, let’s dive into the concepts of MCC and MNC in the context of mobile networks, particularly in how they relate to access points (AP). These two elements—MCC (Mobile Country Code) and MNC (Mobile Network Code)—play a crucial role in identifying mobile networks and are essential for … Read more
Is eSIM Good? Today, let’s talk about eSIM and how it works. If you’re familiar with traditional SIM cards, you know they are physical cards that we insert into our phones or devices to connect to the network. eSIM, on the other hand, is a digital SIM that allows you to activate a mobile plan … Read more
What is VLR Used For? Today, we’re going to talk about VLR (Visitor Location Register), an essential component in mobile networks like GSM and UMTS, and how it supports the network in maintaining communication. As we learned earlier about the core elements of mobile network architecture, the VLR plays a critical role in keeping track … Read more
What are MNOs? Today, we’re going to dive into the concept of MNOs, or Mobile Network Operators. As we’ve discussed in previous articles about the telecommunications infrastructure, MNOs play a crucial role in the world of mobile networks. Let me explain to you what MNOs are, how they work, and why they are essential to … Read more
Why Convert a SIM Card to eSIM? Today, we’re going to explore the concept of converting a traditional SIM card to an eSIM. You might have heard about eSIM technology but might be wondering why you should consider switching from your physical SIM card. Let’s dive into it and understand the reasons behind this shift. … Read more
What is the Advantage of WebSocket? Today, we are going to dive into understanding WebSocket and the advantages it brings to real-time communication. If you’ve been following along, we’ve already discussed some key aspects of network communication protocols. Now, let’s explore how WebSocket differs from traditional HTTP-based protocols and why it’s so useful, especially for … Read more
Is Bluetooth Full-Duplex? Today, let me explain whether Bluetooth operates in full-duplex mode or not. As we discussed in previous articles about communication technologies, Bluetooth is a popular wireless technology used for short-range communication. It connects devices like smartphones, speakers, headphones, and many other gadgets. Now, when it comes to Bluetooth’s mode of operation, it’s … Read more
How Does Full Duplex Work? Today, we’re going to discuss full duplex, a communication system that allows data to flow in both directions simultaneously. As we’ve explored various communication systems in the past, such as half-duplex and simplex, it’s important to understand the distinction between these and full duplex. In simple terms, full duplex communication … Read more
What are the Differences Between HLR and VLR? Today, let’s dive into a key aspect of mobile communication networks. In previous articles, we learned about the roles of databases in mobile networks. Now, we will focus on two essential elements: the Home Location Register (HLR) and the Visitor Location Register (VLR). These two databases play … Read more