From the course: 5G Accessibility KPI Engineering and Optimization

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Preamble formats: Short sequence

Preamble formats: Short sequence

From the course: 5G Accessibility KPI Engineering and Optimization

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Preamble formats: Short sequence

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(gentle music) - [Presenter] Unlike the few ranges that are available in long preamble, the short preamble isn't one format, it's a whole toolkit. There are multiple formats from A1 to C2, each engineered for a specific scenario within normal, small, and indoor cell deployment. Now, this versatility is its superpower. Short preambles are designed to work across all frequency bands. They provide efficient coverage in low and mid bands, and they're absolutely essential for high-band millimeter wave where their structure is perfect for fast-beam forming. So how do you choose the right tool from the toolkit? Well, it depends upon the cell size, environment, and the frequency band we are using. We have all these different bands. You can see the structure of the sequence and the guard period here. We have the A series, B series, and the C series here. Depending upon the frequency band, for example, in real-world scenario,…

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