From the course: NB-IoT (Narrowband IoT) Engineering: Deployment, Configuration, Call Flow Analysis

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Network attach procedure overview

Network attach procedure overview

From the course: NB-IoT (Narrowband IoT) Engineering: Deployment, Configuration, Call Flow Analysis

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Network attach procedure overview

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Let's get into the details of Network Attach process And we are talking about a trace which demonstrates how an NB-IoT device powers up, connects to the network, and then transitions to the low power state And the process can be divided into three main phases The first, where the device performs a radio reset Second, it carries out the network attach procedure And finally, it enters into idle mode to conserve energy. And each of these phases plays a critical role in ensuring reliable connection. Starting with the first phase, the device resets its radio settings. This is a common and reliable method used to clear any temporary communication issue or recover from unstable radio states. The reset happens through two commands which is at plus cfun is equal to zero followed by at plus cfun is equal to one. Now every vendor would have different settings and these commands for these particular radio reset performance. We have these different settings we are considering for one particular…

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