Mapping PDSCH and DM-RS symbols to slot grid

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Shannon Cherry
Shannon Cherry 2018-8-15
评论： Graham Freeland 2018-10-15
This is related to the matlab user guide: 5G library for LTE system toolbox. I have generated the PDSCH and DMRS symbols and their respective indices, now I need to map them to the slot grid and perform precoding->CP-OFDM. I was wondering if there's any matlab command for 'Map to slot grid' or if not, how can we map the PDSCH data and DMRS symbols onto the resource blocks.

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Graham Freeland
Graham Freeland 2018-8-15
'Map to slot grid' just means using the MATLAB assignment operation i.e.
slotgrid(pdschindices) = pdschsymbols; slotgrid(pdschdmrsindices) = pdschdmrssymbols;
The RE indices are 1-based, linear indices of the normal MATLAB array indexing format.
You'll see this assignment in the link throughput example, included in the 5G Library.

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