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mcs1 was taken instead of mcs2 in several places.

This is done in another function.

Don't do it twice.
The logic is: if ndi changed or it's a first tx then round=0
and later: if round==0 then status=ACTIVE

Note: the dci formats 2, 2A and 1E were not checked,
this has to be done. dlsch[0] and dlsch[1] (when
applicable) must be checked somehow.

Not sure at all about this one, seemed necessary to me,
but I don't get the full logic in there.

To be refined.

This is done a bit above in the code, no need to do it twice.

I am not sure this is enough. To be refined.

Some of them might not be correctly handled.
I put /* TODO: XXX */ where I didn't know if
the fix was correct.

see issue #177

fix incorrect fss_pusch calculation
fix the incorrrect HARQ-PID checking
remove incorrect checking on downlink DCI HARQ PID value
fix incorrect downlink ACK/NACK feedback procedures in TDD
fix no activating PDSCH decoding when DL-DCI is indicating a downlink retransmission

see issue #176

           2- reset dataTx buff correctly
           3- pucch/pusch power control fix

People are complaining on the mailing list about this.
It's not an error to receive a retransmission.

           1-issue#35: miss dci detection
           2-issue#36: ack/nack on pusch are badly encoded
           3-issue#37: ack/nack are sent on pucch instead of pusch

           1- timing Advance fix
           2- harq UL fix

           1- implement max harq retrans
           2- bug in harqId > 1 for dci format 1A
           3- wrong G computation
           4- bug in harq UL for scheduling flag
           5- initial sync, limit freq offset to 150Hz

The independent retransmission of TB1 will take data from the last PUSCH
report, when both TB were active and keep it for all the retransmission
rounds.
Now the TPMI for the retransmissions of TB1 is passed from the command
line with -K(tpmi): -K0 for Alamouti, -K5 for PUSCH column1 , etc.

Modifying some printouts into the file.

Intermediate commit. Adding HARQ support for SIC receiver. Changes in dci_tools.c to map TB to CW in a proper way.
Enable different options for TB1 retransmissions. Needs further improvements.