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If UE receives retransmission for already decoded PDSCH, it skips decoding and sets ACK directly.
And adding PDSCH decoding stats and printing then every 64 frames for CI purpose

- PTRSPortIndex, PTRSTimeDensity, PTRSFreqDensity, PTRSReOffset, nEpreRatioOfPDSCHToPTRS
- mcs_table : to calculate MCS table in MAC layer and pass tp PHY
- pduBitmap : same as used in DL FAPI interface, to enable or disable PTRS processing

- added some descriptions to the code
- fixed hardcoded factors
- removed commented out and unused code
- phy_procedures_nrUE_RX: removed unused do_pdcch_flag
- updated LTE naming to 5G

- tx_request is filled in the nr_scheduled_response upon the presence tx data

- calling nr_ue_scheduled_response after pdu preparation
- increasing the number_pdus before response scheduling
- resetting after dl/ul config pdu handling

- IP data were fetched and passed to MAC directly at the PHY layer
- random data was generated whenever there's no upcoming data.
- Therefore these functionalities are now moved to MAC and FAPI interfaces
- are used instead.

UE now sends ack/nack in format0

- NR UE scheduled response for RA PDSCH case
- UE processing of RAR DCI
- some cleanup and formatting

Using ul_dmrs_symb_pos at UE side instead of assuming that DMRS is only present at 1st symbol of PUSCH

- now the FAPI interface copies the struct directly to NR_UE_PRACH
- NR_PRACH_CONFIG_COMMON and NR_PRACH_CONFIG_INFO have been removed from FP

Guido Casati authored Feb 20, 2020 and Thomas Schlichter committed Feb 27, 2020

- takes in input configuration index and TS 38.211 PRACH tables (6.3.3.2.x)
- using FAPI NR UL config request struct, derived from SCF standard for gNB

Guido Casati authored Aug 19, 2019 and Guido Casati committed Feb 10, 2020

- Updated PRACH procedures and general code formatting
- gNB msg1 handling and RAR generation
- general bug fixing
- formatting
- missing headers
- RAR handling.

definition of config request fapi structures in UE and acquisition from rrc of config data (work in progress)

Testing of NR PDCCH/PDSCH with RRC Configuration. added RRC configuration to NR UE. Updates to UE DCI procedures (moved to MAC) and updates to FAPI interfaces for UE. nr_dlsim is functional, added profiling information for gNB TX.