1. 09 Jul, 2021 1 commit
    • Cedric Roux's avatar
      hack: do not use BCH RBs for DL scheduling in subframe 0 · d7e41245
      Cedric Roux authored
      The problem is that when using those RBs with MCS 28 we may exceed the
      code rate 0.93 and according to 36.213 7.1.7 the UE may skip decoding
      PDSCH entirely in this case.
      
      This is a hack. The real solution is to check that the code rate is below
      0.93 for each scheduling decision and, I don't know, reduce the MCS if the
      code rate is above, so that in the end it is below. That means that we need
      a proper resource grid for the configuration of the eNB and this is not an
      easy thing (at least from my point of view) given all the possible
      configurations for the eNB, so I prefer not to do it rather than do something
      incorrect, thus this hack.
      
      The problem of this hack is that we won't use all the available RBs for
      scheduling, potentially reducing the maximum throughput achievable.
      
      To be fixed properly at some time, by someone who understands fully the
      resource grid and all the possible combinations (fdd/tdd, number of
      antennas, whatever else).
      d7e41245
  2. 08 Jul, 2021 1 commit
    • Remi Hardy's avatar
      integration_2021_wk27 · ca8106ea
      Remi Hardy authored
      MR !1188 : NR_gNB_initial_MIB_fix  
      This MR fixes a bug for which the gNB would send an empty MIB in the first frames of execution. This is because MIB is generated every 8 frames but the first MIB wouldn't be generated before frame 8 at the beginning of each run.
      
      MR !1184 : x2_handle_sctp_shutdown
      Avoid eNB exiting after gNB tries to reconnect over X2 for NSA
      ca8106ea
  3. 06 Jul, 2021 1 commit
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