From the course: Telecom Network Evolution: 2G-to-6G Technologies, Architecture, and Key Concepts

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4G LTE network architecture

4G LTE network architecture

From the course: Telecom Network Evolution: 2G-to-6G Technologies, Architecture, and Key Concepts

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4G LTE network architecture

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(upbeat music) - [Instructor] Imagine you are using your phone to stream a video, sending a message, or making a high definition call. But have you ever wondered what is happening behind the scenes in the network when you do all that? Today, we are diving into the network of 4G LTE, which is the brain that controls how everything connects. The process begins with your phone, which is also termed as user equipment, and it connects with the eNodeB. This is the RAN part, radio access network part, which is also termed as EUTRAN. So eNodeB and UE perform some radio resource management and exchange a temporary user ID. But beyond radio, we need the core network to step in and connect to the external network. And that's where the first node comes into picture, which is MME, which is Mobility Management Entity. Now, MME is the first piece of the core network puzzle. It handles the authentication, it handles the registration part, and also taking care of the mobility management. When user…

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