From the course: 4G LTE: Architecture, Protocols, Call Flows, KPIs, Optimization, Performance Analysis

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Introduction to 4G LTE network performance metrics

Introduction to 4G LTE network performance metrics

From the course: 4G LTE: Architecture, Protocols, Call Flows, KPIs, Optimization, Performance Analysis

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Introduction to 4G LTE network performance metrics

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Have you ever been on a phone call that suddenly dropped or tried to load a video that just keep buffering? When these things happen, network engineers don't just get frustrated, they get to work. They use specific measurements called key performance indicators or KPIs to figure out exactly what went wrong and how to fix it. Today we'll learn the 5 main KPIs for any 4G network. Let's break down the 5 KPIs one by one starting with the Accessibility. This is all about getting you connected. Imagine you tap an app or dial a number. Accessibility measures the network's ability to grant you that initial connection. It answers the question, can you get onto the network to start your call or data session in the first place. If accessibility is poor, you might see network error messages before anything even loads. The next KPI is the Retainability. This KPI is about keeping you connected. Retainability measures the network's ability to maintain your service without unexpected drops. Think of…

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