Based on the white papers and presentations that I saw (Ref [1] for example), they define 'MiniSlot' as a slot that carries PDSCH or PUSCH with only a few symbol length (e.g, 2 symbols, 4 symbols etc) as illustrated below. How to implement MiniSlot ?
This is known as "mini-slot" transmission. This facilitates very low latency for critical data communication as well as minimizes interference to other RF links. Mini-slot helps to achieve lower latency in 5G NR architecture. Table below mentions typical fixed slots used in a 5G NR frame structure.
Mini-slots allow the 5G frame structure to provide faster response times for certain applications. In an emergency situation, where a fraction of a second can make a significant difference, the deployment of a mini-slot can ensure the prompt delivery of vital information.
A mini-slot in 5G is a new concept that allows for low latency communication and is the minimum scheduling unit used in 5G NR. Mini-slots can contain 7, 4, or 2 OFDM symbols, regardless of numerology.
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It's a PCI Express Mini Card also known as Mini PCI Express, Mini PCIe, Mini PCI-E, mPCIe, and PEM. It can be used for a computer "add on" expansions. Such as adding external serial,...
My Friend: So, what is mini-slot? Me: It is the minimum scheduling unit used in 5G NR, it occupies 2, 4 or 7 OFDM symbols (regardless of numerology ), so a user can be allocated a mini-slot which is less than the slot (14 symbols) and it is suitable for low latency communication.