From e72ef27e660b62bd9cc49b5acf803675795d10c4 Mon Sep 17 00:00:00 2001 From: cig Date: Thu, 3 Sep 2020 14:33:57 +0200 Subject: [PATCH] Moved nr_compute_tbs_common file to common MAC folder - updated cmakelists file - fixed formatting, tabs and white spaces in the function --- cmake_targets/CMakeLists.txt | 2 +- .../nr_compute_tbs_common.c | 142 ++++++++---------- 2 files changed, 65 insertions(+), 79 deletions(-) rename openair2/LAYER2/{NR_MAC_gNB => NR_MAC_COMMON}/nr_compute_tbs_common.c (52%) diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt index 9fcb586e09..eb88881548 100644 --- a/cmake_targets/CMakeLists.txt +++ b/cmake_targets/CMakeLists.txt @@ -1933,7 +1933,7 @@ add_dependencies(L2_UE rrc_flag s1ap_flag x2_flag) add_library( NR_L2_UE ${NR_L2_SRC_UE} ${MAC_NR_SRC_UE} ) -add_library( MAC_NR_COMMON ${OPENAIR2_DIR}/LAYER2/NR_MAC_COMMON/nr_mac_common.c ${OPENAIR2_DIR}/LAYER2/NR_MAC_gNB/nr_compute_tbs_common.c) +add_library( MAC_NR_COMMON ${OPENAIR2_DIR}/LAYER2/NR_MAC_COMMON/nr_mac_common.c ${OPENAIR2_DIR}/LAYER2/NR_MAC_COMMON/nr_compute_tbs_common.c) include_directories("${OPENAIR2_DIR}/NR_UE_PHY_INTERFACE") include_directories("${OPENAIR2_DIR}/LAYER2") diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_compute_tbs_common.c b/openair2/LAYER2/NR_MAC_COMMON/nr_compute_tbs_common.c similarity index 52% rename from openair2/LAYER2/NR_MAC_gNB/nr_compute_tbs_common.c rename to openair2/LAYER2/NR_MAC_COMMON/nr_compute_tbs_common.c index df23b64e07..9c775286a3 100644 --- a/openair2/LAYER2/NR_MAC_gNB/nr_compute_tbs_common.c +++ b/openair2/LAYER2/NR_MAC_COMMON/nr_compute_tbs_common.c @@ -35,67 +35,59 @@ uint16_t NPRB_LBRM[7] = {32,66,107,135,162,217,273}; uint32_t nr_compute_tbs(uint16_t Qm, uint16_t R, - uint16_t nb_rb, - uint16_t nb_symb_sch, - uint16_t nb_dmrs_prb, + uint16_t nb_rb, + uint16_t nb_symb_sch, + uint16_t nb_dmrs_prb, uint16_t nb_rb_oh, uint8_t tb_scaling, - uint8_t Nl) + uint8_t Nl) { - uint16_t nbp_re, nb_re; - uint32_t nr_tbs=0; - uint32_t Ninfo, Np_info, C; - uint8_t n, scale; + uint16_t nbp_re, nb_re; + uint32_t nr_tbs=0; + uint32_t Ninfo, Np_info, C; + uint8_t n, scale; - nbp_re = 12 * nb_symb_sch - nb_dmrs_prb - nb_rb_oh; + nbp_re = 12 * nb_symb_sch - nb_dmrs_prb - nb_rb_oh; + nb_re = min(156, nbp_re) * nb_rb; + scale = (R>1024)?11:10; + // Intermediate number of information bits + Ninfo = ((nb_re * R * Qm * Nl)>>scale)>>tb_scaling; - nb_re = min(156, nbp_re) * nb_rb; - - scale = (R>1024)?11:10; - - // Intermediate number of information bits - Ninfo = ((nb_re * R * Qm * Nl)>>scale)>>tb_scaling; - - if (Ninfo <=3824) { - n = max(3, floor(log2(Ninfo)) - 6); - Np_info = max(24, (Ninfo>>n)<= Np_info){ - nr_tbs = Tbstable_nr[i]; - break; - } + if (Ninfo <=3824) { + n = max(3, floor(log2(Ninfo)) - 6); + Np_info = max(24, (Ninfo>>n)<= Np_info){ + nr_tbs = Tbstable_nr[i]; + break; } + } + } else { + n = log2(Ninfo-24)-5; + Np_info = max(3840, (ROUNDIDIV((Ninfo-24),(1< 8424){ + C = CEILIDIV((Np_info+24),8424); + nr_tbs = (C<<3)*CEILIDIV((Np_info+24),(C<<3)) - 24; + } else { + nr_tbs = ((CEILIDIV((Np_info+24),8))<<3) - 24; + } } - else { - n = log2(Ninfo-24)-5; - Np_info = max(3840, (ROUNDIDIV((Ninfo-24),(1< 8424){ - C = CEILIDIV((Np_info+24),8424); - nr_tbs = (C<<3)*CEILIDIV((Np_info+24),(C<<3)) - 24; - } - else { - nr_tbs = ((CEILIDIV((Np_info+24),8))<<3) - 24; - } - - } - - } - //printf("Ninfo %d nbp_re %d nb_re %d Qm %d, R %d, tbs %d\n", Ninfo, nbp_re, nb_re, Qm, R, nr_tbs); - return nr_tbs; + } + //printf("Ninfo %d nbp_re %d nb_re %d Qm %d, R %d, tbs %d\n", Ninfo, nbp_re, nb_re, Qm, R, nr_tbs); + return nr_tbs; } //tbslbrm calculation according to 5.4.2.1 of 38.212 uint32_t nr_compute_tbslbrm(uint16_t table, - uint16_t nb_rb, - uint8_t Nl, + uint16_t nb_rb, + uint8_t Nl, uint8_t C) { @@ -108,10 +100,10 @@ uint32_t nr_compute_tbslbrm(uint16_t table, uint8_t n; for (i=0; i<7; i++) { - if (NPRB_LBRM[i] >= nb_rb){ - nb_rb_lbrm = NPRB_LBRM[i]; - break; - } + if (NPRB_LBRM[i] >= nb_rb){ + nb_rb_lbrm = NPRB_LBRM[i]; + break; + } } Qm = ((table == 1)? 8 : 6); @@ -122,33 +114,27 @@ uint32_t nr_compute_tbslbrm(uint16_t table, Ninfo = (nb_re * R * Qm * Nl)>>10; if (Ninfo <=3824) { - n = max(3, floor(log2(Ninfo)) - 6); - Np_info = max(24, (Ninfo>>n)<= Np_info){ - nr_tbs = Tbstable_nr[i]; - break; - } - } - } - else { - n = log2(Ninfo-24)-5; - Np_info = max(3840, (ROUNDIDIV((Ninfo-24),(1< 8424){ - nr_tbs = (C<<3)*CEILIDIV((Np_info+24),(C<<3)) - 24; - } - else { - nr_tbs = ((CEILIDIV((Np_info+24),8))<<3) - 24; - } - - } + n = max(3, floor(log2(Ninfo)) - 6); + Np_info = max(24, (Ninfo>>n)<= Np_info){ + nr_tbs = Tbstable_nr[i]; + break; + } + } + } else { + n = log2(Ninfo-24)-5; + Np_info = max(3840, (ROUNDIDIV((Ninfo-24),(1< 8424){ + nr_tbs = (C<<3)*CEILIDIV((Np_info+24),(C<<3)) - 24; + } else { + nr_tbs = ((CEILIDIV((Np_info+24),8))<<3) - 24; + } + } } return nr_tbs; - }