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NR fix harq round calculation

Thomas Schlichter requested to merge nr-fix-harq-round into develop

In 5G NR standard, there is a mapping for PDSCH and PUSCH HARQ rounds to redundancy version (rv):

HARQ round redundancy version
0 0
1 2
2 3
3 1

Therefore, the inverse mapping table is:

redundancy version HARQ round
0 0
1 3
2 1
3 2

This was wrongly implemented on the PDSCH receiving side, and on the PUSCH receiving side the mapping table from rounds to rv (nr_rv_round_map) was wrongly used for mapping rv to rounds.

Edited by Thomas Schlichter

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