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JHJACK HUAradiohub.hashnode.devMay 4 · 1 min read

Why Resource Allocation Matters in Wireless Systems

1. Wireless resources are scarce Radio spectrum is limited and shared among many users. The system must decide: Who gets to transmit When (which time slot/subframe/slot) How much (how many resource

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VCVishal Chincholivishalchincholi.hashnode.devNov 14, 2025 · 18 min read

🌐 Network Performance Testing: Mastering 3G, 4G, Throttling, and Real-World Conditions

Introduction Your application loads in 2 seconds on your office's gigabit connection. Impressive! But here's the reality check: Your users aren't all sitting in Silicon Valley with fiber optic internet. Some are commuting on a train with spotty 3G. O...

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MUMuhammad Usman5gtech.hashnode.devAug 9, 2025 · 6 min read

5G vs. 4G: What’s the Big Deal with 5G? Explained for Everyone

You’ve probably seen “5G” pop up on your phone or in ads, but what is it, and why is it better than the “4G” we’ve been using? Think of 4G and 5G as different versions of the internet for your phone. 4G is like a reliable old car; it gets you places....

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VKVikas Kumarvikaskumar75.hashnode.devJul 11, 2025 · 10 min read

SS7: The Invisible Threat Behind Your Phone Calls

What is SS7? Signalling System No. 7, or simply SS7, is a worldwide telecommunications protocol for managing the routing of phone calls, SMS messages, and other services between a network of interconnected signalling points. SS7 facilitates quick com...

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SJSteven J. Teranteransblog.hashnode.devAug 19, 2024 · 2 min read

How Does the Spectrum Affect Wireless Internet Speeds?

Spectrum plays a big role in your internet speed. It refers to the range of radio frequencies used to transmit data. The more spectrum is available, the faster the internet speed can be. This helps us understand why some internet connections are fast...

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KKKunal Kapoorkunalkapoor.hashnode.devJun 26, 2024 · 2 min read

🚀 Introducing the "4G Network Architecture" as the first post of our telecom series!📡

In this series, we'll embark on an exciting journey of telecom networks, exploring each component and its role in delivering seamless connectivity. Let's kick things off by delving into the foundational elements: 1. eNodeB (eNB): Serving as the cor...

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KKKunal Kapoorkunalkapoor.hashnode.devJun 26, 2024 · 2 min read

📡Telecom Series Post - 4📱

🌐Exploring the Anatomy of the attach request of LTE Attach Call Flow📲 Let's delve into one crucial aspect of the LTE attach call flow: the attach request with Information Elements (IEs). In the dynamic landscape of telecommunications, understanding...

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KKKunal Kapoorkunalkapoor.hashnode.devJun 26, 2024 · 1 min read

📡 Telecom Series Post - 3 📱

🌐 Decoding the Intricacies of LTE Initial Attach Packet Flow 📶 Ever wondered about the orchestration behind LTE Initial Attach? Let's delve into the intricate flow of packets that define this crucial process: 1️⃣ Attach Request: The UE signals ...

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KKKunal Kapoorkunalkapoor.hashnode.devJun 25, 2024 · 1 min read

📡 Telecom Series Post - 2 📱

🌐 Exploring LTE Data Bearers: Enhancing Network Connectivity 📶 Are you curious about the backbone of LTE network connectivity? Let's dive into LTE data bearers! 🚀 In the realm of Long-Term Evolution (LTE), bearers play a pivotal role in facili...

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LALobna Ahmedlobna.meMay 17, 2023 · 2 min read

What is a Packet Core Network Engineer?

What technical knowledge should I have to get an entry-level job as a Packet Core Network Engineer? I often get asked this question by many fresh graduates, interns or people in telecom field who want to shift their domain to Packet Core Network. Fir...

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#4g

Explore Hashnode

Why Resource Allocation Matters in Wireless Systems

🌐 Network Performance Testing: Mastering 3G, 4G, Throttling, and Real-World Conditions

5G vs. 4G: What’s the Big Deal with 5G? Explained for Everyone

SS7: The Invisible Threat Behind Your Phone Calls

How Does the Spectrum Affect Wireless Internet Speeds?

🚀 Introducing the "4G Network Architecture" as the first post of our telecom series!📡

📡Telecom Series Post - 4📱

📡 Telecom Series Post - 3 📱

📡 Telecom Series Post - 2 📱

What is a Packet Core Network Engineer?

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