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There is now the function copy_harq_proc_struct and some
procedures for the UE have changed, which makes necessary
to have UE->dlsch valid for both subframes (odd and even).

We increase memory usage, maybe it's not the correct solution.
To be kept in mind if something goes wrong at some point.

----------------------------------------------------------
bug 24

Ttile:
The last line "multicast_group = multicast_group" is hard
to understand. The local variable should be different name
than the global variable.

Bug Location:
const char *multicast_group_list[MULTICAST_LINK_NUM_GROUPS] = {
  "239.0.0.161",
  "239.0.0.162",
  "239.0.0.163",
  "239.0.0.164"
};
:
:
void multicast_link_start(void (*rx_handlerP) (unsigned int, char *),
                          unsigned char multicast_group, char *multicast_ifname)
{
  rx_handler = rx_handlerP;
  multicast_group = multicast_group;

Note:
Detected by CppCheck
----------------------------------------------------------

When you ran it with the scope as:

    ./dlsim -X

you saw no activity in the "PDSCH I/Q of MF Output" window,
so matter what SNR you put (even for very high SNR, say: ./dlsim -X -s40)

this commit seems to fix it.

I am not sure it is the end of story. The 2 threads PDCCH/PDSCH structures
may still not be used correctly everywhere.

the argument 'coded_bits_per_codeword' has to be an array in
case of several codewords.

The calling sites have been adapted.

Today, only the first index is used, so calling sites where
'coded_bits_per_codeword' is an integer pass the address
of it. It is expected that 'dump_dlsch2' will check in the
future that there is one or two codewords and only access
'coded_bits_per_codeword[1]' when it's sure there are
really two codewords.

- pucchsim
- prachsim
- pdcchsim
- pbchsim
- mbmssim

Mostly, add and initialize the variable 'cpuf'.
Also, pdcchsim was calling rx_pdcch with wrong
arguments.

Same as previous commit 41dda3d3
but for dlsim.

The variables that were duplicated per processing thread
were adapted. 'cpuf' was defined and initialized.

We use the odd/even dlsch corresponding to the configured
subframe. It may not be the right thing to do.

 in dlsim_tm4 to distinguish from the old runs.

Memory was allocated which was "lost" because the
address of the block was put in a pointer that is
overwritten just after.

Discussing with Elena, the current commit is the correct
way to do things.

command run:
    dos2unix openair1/SIMULATION/TOOLS/taus.c

Conflicts:
	openair1/PHY/LTE_TRANSPORT/dlsch_demodulation.c
	openair1/PHY/impl_defs_top.h

2. Adding dlsch_encoding_SIC, where the fisrt argument is UE structure.
3. Adding general test cases for dlsim_tm4 simulator. 015110.

I'm not sure the fixes are correct.

Also included some source files not related to this branch.

	modified:   openair1/PHY/LTE_ESTIMATION/lte_dl_bf_channel_estimation.c
	modified:   openair1/PHY/LTE_TRANSPORT/pilots_ue_spec.c
	modified:   openair1/PHY/MODULATION/beamforming.c
	modified:   openair1/PHY/TOOLS/twiddle18432.h
	modified:   openair1/SIMULATION/LTE_PHY/dlsim_tm7.c
	modified:   openair3/NAS/TOOLS/nvram.c
	modified:   openair3/NAS/TOOLS/usim.c
	modified:   openair3/NAS/UE/user_defs.h