Uplink Data in 5G NR

Learn about the uplink shared channel chain, which includes elements already found in the downlink shared channel chain including LDPC coding, modulation schemes, layer mapping, and the two types of PUSCH mapping.

The video walks through the significant differences that differentiate the uplink shared channel from the downlink shared channel: the number of layers is limited to 4, there is the possibility of using the optional transform precoding, and MIMO precoding is specified explicitly.

The video outlines the two possible types of MIMO precoding: codebook-based precoding and non-codebook-based precoding.

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