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NR UE PHY Refactor

Open NR UE PHY Refactor
NR_UE_phy_refactor_rx into develop
Open Sakthivel Velumani requested to merge NR_UE_phy_refactor_rx into develop
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  • 1b82ebc7 
    Modified channel estimation function to take rxdataF of only one symbol
and took the loop over layers and antennas out of the function. For each
OFDM symbol, the freq domain data is extracted and channel estimates are
produced. The remaining PDSCH procedures are done in the last PDSCH
symbol.

Procedures such as channel compensation, MMSE, PTRS estimation, LLR
computation are parallelized as they are independent for each symbol.

The new design is presented as block diagram in doc/ue_doc_resources/.

Took channel correlation matrix computation out of channel compensation
and created a separate function.

Disabled DL parallel processing of slots.