From 40c06a843e97daebde426ffba0427409ab6de7e9 Mon Sep 17 00:00:00 2001 From: Francesco Mani Date: Fri, 17 Jan 2020 11:24:52 +0100 Subject: [PATCH] taking into account raster step size in nrarfcn functions --- openair1/PHY/defs_nr_common.h | 1 + openair2/LAYER2/NR_MAC_UE/config_ue.c | 2 + openair2/LAYER2/NR_MAC_gNB/config.c | 2 + openair2/LAYER2/NR_MAC_gNB/nr_mac_common.c | 132 +++++++++++++-------- openair2/LAYER2/NR_MAC_gNB/nr_mac_common.h | 4 +- 5 files changed, 90 insertions(+), 51 deletions(-) diff --git a/openair1/PHY/defs_nr_common.h b/openair1/PHY/defs_nr_common.h index 32ecb1a9e1..487b28473f 100644 --- a/openair1/PHY/defs_nr_common.h +++ b/openair1/PHY/defs_nr_common.h @@ -352,6 +352,7 @@ typedef struct nr_bandentry_s { uint64_t dl_max; uint64_t step_size; uint64_t N_OFFs_DL; + uint8_t deltaf_raster; } nr_bandentry_t; typedef struct nr_band_info_s { diff --git a/openair2/LAYER2/NR_MAC_UE/config_ue.c b/openair2/LAYER2/NR_MAC_UE/config_ue.c index 214414ed39..b5041396a4 100755 --- a/openair2/LAYER2/NR_MAC_UE/config_ue.c +++ b/openair2/LAYER2/NR_MAC_UE/config_ue.c @@ -163,6 +163,7 @@ void config_common_ue(NR_UE_MAC_INST_t *mac, *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0]); cfg->carrier_config.dl_frequency = from_nrarfcn(*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0], + *scc->ssbSubcarrierSpacing, scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA)/1000; // freq in kHz for (i=0; i<5; i++) { @@ -187,6 +188,7 @@ void config_common_ue(NR_UE_MAC_INST_t *mac, UL_pointA = *scc->uplinkConfigCommon->frequencyInfoUL->absoluteFrequencyPointA; cfg->carrier_config.uplink_frequency = from_nrarfcn(*scc->uplinkConfigCommon->frequencyInfoUL->frequencyBandList->list.array[0], + *scc->ssbSubcarrierSpacing, UL_pointA)/1000; // freq in kHz diff --git a/openair2/LAYER2/NR_MAC_gNB/config.c b/openair2/LAYER2/NR_MAC_gNB/config.c index 7a75be2cb8..26461eef16 100644 --- a/openair2/LAYER2/NR_MAC_gNB/config.c +++ b/openair2/LAYER2/NR_MAC_gNB/config.c @@ -68,6 +68,7 @@ void config_common(int Mod_idP, int pdsch_AntennaPorts, NR_ServingCellConfigComm LOG_I(PHY,"%s() dl_BandwidthP:%d\n", __FUNCTION__, cfg->carrier_config.dl_bandwidth.value); cfg->carrier_config.dl_frequency.value = from_nrarfcn(*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0], + *scc->ssbSubcarrierSpacing, scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA)/1000; // freq in kHz cfg->carrier_config.dl_frequency.tl.tag = NFAPI_NR_CONFIG_DL_FREQUENCY_TAG; cfg->num_tlv++; @@ -101,6 +102,7 @@ void config_common(int Mod_idP, int pdsch_AntennaPorts, NR_ServingCellConfigComm UL_pointA = *scc->uplinkConfigCommon->frequencyInfoUL->absoluteFrequencyPointA; cfg->carrier_config.uplink_frequency.value = from_nrarfcn(*scc->uplinkConfigCommon->frequencyInfoUL->frequencyBandList->list.array[0], + *scc->ssbSubcarrierSpacing, UL_pointA)/1000; // freq in kHz cfg->carrier_config.uplink_frequency.tl.tag = NFAPI_NR_CONFIG_UPLINK_FREQUENCY_TAG; cfg->num_tlv++; diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_mac_common.c b/openair2/LAYER2/NR_MAC_gNB/nr_mac_common.c index 46e132ea29..45786eeedc 100644 --- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_common.c +++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_common.c @@ -33,42 +33,50 @@ #include "LAYER2/NR_MAC_gNB/mac_proto.h" nr_bandentry_t nr_bandtable[] = { - {1, 1920000, 1980000, 2110000, 2170000, 20, 422000}, - {2, 1850000, 1910000, 1930000, 1990000, 20, 386000}, - {3, 1710000, 1785000, 1805000, 1880000, 20, 361000}, - {5, 824000, 849000, 869000, 894000, 20, 173800}, - {7, 2500000, 2570000, 2620000, 2690000, 20, 524000}, - {8, 880000, 915000, 925000, 960000, 20, 185000}, - {12, 698000, 716000, 728000, 746000, 20, 145800}, - {20, 832000, 862000, 791000, 821000, 20, 158200}, - {25, 1850000, 1915000, 1930000, 1995000, 20, 386000}, - {28, 703000, 758000, 758000, 813000, 20, 151600}, - {34, 2010000, 2025000, 2010000, 2025000, 20, 402000}, - {38, 2570000, 2620000, 2570000, 2630000, 20, 514000}, - {39, 1880000, 1920000, 1880000, 1920000, 20, 376000}, - {40, 2300000, 2400000, 2300000, 2400000, 20, 460000}, - {41, 2496000, 2690000, 2496000, 2690000, 3, 499200}, - {50, 1432000, 1517000, 1432000, 1517000, 20, 286400}, - {51, 1427000, 1432000, 1427000, 1432000, 20, 285400}, - {66, 1710000, 1780000, 2110000, 2200000, 20, 422000}, - {70, 1695000, 1710000, 1995000, 2020000, 20, 399000}, - {71, 663000, 698000, 617000, 652000, 20, 123400}, - {74, 1427000, 1470000, 1475000, 1518000, 20, 295000}, - {75, 000, 000, 1432000, 1517000, 20, 286400}, - {76, 000, 000, 1427000, 1432000, 20, 285400}, - {77, 3300000, 4200000, 3300000, 4200000, 1, 620000}, - {78, 3300000, 3800000, 3300000, 3800000, 1, 620000}, - {79, 4400000, 5000000, 4400000, 5000000, 2, 693334}, - {80, 1710000, 1785000, 000, 000, 20, 342000}, - {81, 860000, 915000, 000, 000, 20, 176000}, - {82, 832000, 862000, 000, 000, 20, 166400}, - {83, 703000, 748000, 000, 000, 20, 140600}, - {84, 1920000, 1980000, 000, 000, 20, 384000}, - {86, 1710000, 1785000, 000, 000, 20, 342000}, - {257,26500000,29500000,26500000,29500000, 1,2054167}, - {258,24250000,27500000,24250000,27500000, 1,2016667}, - {260,37000000,40000000,37000000,40000000, 1,2229167}, - {261,27500000,28350000,27500000,28350000, 1,2070833} + {1, 1920000, 1980000, 2110000, 2170000, 20, 422000, 100}, + {2, 1850000, 1910000, 1930000, 1990000, 20, 386000, 100}, + {3, 1710000, 1785000, 1805000, 1880000, 20, 361000, 100}, + {5, 824000, 849000, 869000, 894000, 20, 173800, 100}, + {7, 2500000, 2570000, 2620000, 2690000, 20, 524000, 100}, + {8, 880000, 915000, 925000, 960000, 20, 185000, 100}, + {12, 698000, 716000, 728000, 746000, 20, 145800, 100}, + {20, 832000, 862000, 791000, 821000, 20, 158200, 100}, + {25, 1850000, 1915000, 1930000, 1995000, 20, 386000, 100}, + {28, 703000, 758000, 758000, 813000, 20, 151600, 100}, + {34, 2010000, 2025000, 2010000, 2025000, 20, 402000, 100}, + {38, 2570000, 2620000, 2570000, 2630000, 20, 514000, 100}, + {39, 1880000, 1920000, 1880000, 1920000, 20, 376000, 100}, + {40, 2300000, 2400000, 2300000, 2400000, 20, 460000, 100}, + {41, 2496000, 2690000, 2496000, 2690000, 3, 499200, 15}, + {41, 2496000, 2690000, 2496000, 2690000, 6, 499200, 30}, + {50, 1432000, 1517000, 1432000, 1517000, 20, 286400, 100}, + {51, 1427000, 1432000, 1427000, 1432000, 20, 285400, 100}, + {66, 1710000, 1780000, 2110000, 2200000, 20, 422000, 100}, + {70, 1695000, 1710000, 1995000, 2020000, 20, 399000, 100}, + {71, 663000, 698000, 617000, 652000, 20, 123400, 100}, + {74, 1427000, 1470000, 1475000, 1518000, 20, 295000, 100}, + {75, 000, 000, 1432000, 1517000, 20, 286400, 100}, + {76, 000, 000, 1427000, 1432000, 20, 285400, 100}, + {77, 3300000, 4200000, 3300000, 4200000, 1, 620000, 15}, + {77, 3300000, 4200000, 3300000, 4200000, 2, 620000, 30}, + {78, 3300000, 3800000, 3300000, 3800000, 1, 620000, 15}, + {78, 3300000, 3800000, 3300000, 3800000, 2, 620000, 30}, + {79, 4400000, 5000000, 4400000, 5000000, 1, 693334, 15}, + {79, 4400000, 5000000, 4400000, 5000000, 2, 693334, 30}, + {80, 1710000, 1785000, 000, 000, 20, 342000, 100}, + {81, 860000, 915000, 000, 000, 20, 176000, 100}, + {82, 832000, 862000, 000, 000, 20, 166400, 100}, + {83, 703000, 748000, 000, 000, 20, 140600, 100}, + {84, 1920000, 1980000, 000, 000, 20, 384000, 100}, + {86, 1710000, 1785000, 000, 000, 20, 342000, 100}, + {257,26500000,29500000,26500000,29500000, 1,2054166, 60}, + {257,26500000,29500000,26500000,29500000, 2,2054167, 120}, + {258,24250000,27500000,24250000,27500000, 1,2016667, 60}, + {258,24250000,27500000,24250000,27500000, 2,2016667, 120}, + {260,37000000,40000000,37000000,40000000, 1,2229166, 60}, + {260,37000000,40000000,37000000,40000000, 2,2229167, 120}, + {261,27500000,28350000,27500000,28350000, 1,2070833, 60}, + {261,27500000,28350000,27500000,28350000, 2,2070833, 120} }; #define NR_BANDTABLE_SIZE (sizeof(nr_bandtable)/sizeof(nr_bandentry_t)) @@ -230,16 +238,22 @@ uint16_t config_bandwidth(int mu, int nb_rb, int nr_band) uint32_t to_nrarfcn(int nr_bandP, uint64_t dl_CarrierFreq, + uint8_t scs_index, uint32_t bw) { uint64_t dl_CarrierFreq_by_1k = dl_CarrierFreq / 1000; int bw_kHz = bw / 1000; - + int scs_khz = 15< 257\n", nr_bandP); - for (i = 0; i < 33 && nr_bandtable[i].band != nr_bandP; i++); + AssertFatal(nr_bandP < 261, "nr_band %d > 260\n", nr_bandP); + for (i = 0; i < NR_BANDTABLE_SIZE && nr_bandtable[i].band != nr_bandP; i++); + + // selection of correct Deltaf raster according to SCS + if ( (nr_bandtable[i].deltaf_raster != 100) && (nr_bandtable[i].deltaf_raster != scs_khz)) + i++; AssertFatal(dl_CarrierFreq_by_1k >= nr_bandtable[i].dl_min, "Band %d, bw %u : DL carrier frequency %llu kHz < %llu\n", @@ -250,37 +264,57 @@ uint32_t to_nrarfcn(int nr_bandP, nr_bandP, (long long unsigned int)dl_CarrierFreq,bw, (long long unsigned int)dl_CarrierFreq_by_1k, (long long unsigned int)(nr_bandtable[i].dl_max - bw_kHz)); - int deltaFglobal; + int deltaFglobal = 60; - if (dl_CarrierFreq < 3e9) deltaFglobal = 5; - else deltaFglobal = 15; + if (dl_CarrierFreq < 3e9) deltaFglobal = 15; + if (dl_CarrierFreq < 24.25e9) deltaFglobal = 5; // This is equation before Table 5.4.2.1-1 in 38101-1-f30 // F_REF=F_REF_Offs + deltaF_Global(N_REF-NREF_REF_Offs) - return (((dl_CarrierFreq_by_1k - nr_bandtable[i].dl_min)/deltaFglobal) + - nr_bandtable[i].N_OFFs_DL); + nrarfcn = (((dl_CarrierFreq_by_1k - nr_bandtable[i].dl_min)/deltaFglobal)+nr_bandtable[i].N_OFFs_DL); + + delta_arfcn = nrarfcn - nr_bandtable[i].N_OFFs_DL; + if(delta_arfcn%(nr_bandtable[i].step_size)!=0) + AssertFatal(1==0,"dl_CarrierFreq %lu corresponds to %u which is not on the raster for step size %lu", + dl_CarrierFreq,nrarfcn,nr_bandtable[i].step_size); + + return nrarfcn; } uint64_t from_nrarfcn(int nr_bandP, + uint8_t scs_index, uint32_t dl_nrarfcn) { int i; - int deltaFglobal; + int deltaFglobal = 5; + int scs_khz = 15< 79) deltaFglobal = 5; - else deltaFglobal = 15; + if (dl_nrarfcn > 599999 && dl_nrarfcn < 2016667) + deltaFglobal = 15; + if (dl_nrarfcn > 2016666 && dl_nrarfcn < 3279166) + deltaFglobal = 60; - AssertFatal(nr_bandP < 258, "nr_band %d > 257\n", nr_bandP); - for (i = 0; i < 33 && nr_bandtable[i].band != nr_bandP; i++); + AssertFatal(nr_bandP < 261, "nr_band %d > 260\n", nr_bandP); + for (i = 0; i < NR_BANDTABLE_SIZE && nr_bandtable[i].band != nr_bandP; i++); AssertFatal(dl_nrarfcn>=nr_bandtable[i].N_OFFs_DL,"dl_nrarfcn %u < N_OFFs_DL %llu\n",dl_nrarfcn, (long long unsigned int)nr_bandtable[i].N_OFFs_DL); + // selection of correct Deltaf raster according to SCS + if ( (nr_bandtable[i].deltaf_raster != 100) && (nr_bandtable[i].deltaf_raster != scs_khz)) + i++; + + delta_arfcn = dl_nrarfcn - nr_bandtable[i].N_OFFs_DL; + if(delta_arfcn%(nr_bandtable[i].step_size)!=0) + AssertFatal(1==0,"dl_nrarfcn %u is not on the raster for step size %lu",dl_nrarfcn,nr_bandtable[i].step_size); + LOG_I(PHY,"Computing dl_frequency (pointA %llu => %llu (dlmin %llu, nr_bandtable[%d].N_OFFs_DL %llu))\n", (unsigned long long)dl_nrarfcn, (unsigned long long)(1000*(nr_bandtable[i].dl_min + (dl_nrarfcn - nr_bandtable[i].N_OFFs_DL) * deltaFglobal)), (unsigned long long)nr_bandtable[i].dl_min, i, (unsigned long long)nr_bandtable[i].N_OFFs_DL); + return 1000*(nr_bandtable[i].dl_min + (dl_nrarfcn - nr_bandtable[i].N_OFFs_DL) * deltaFglobal); } diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_mac_common.h b/openair2/LAYER2/NR_MAC_gNB/nr_mac_common.h index 82f5bdecab..6b043963b0 100644 --- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_common.h +++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_common.h @@ -34,9 +34,9 @@ uint16_t config_bandwidth(int mu, int nb_rb, int nr_band); -uint64_t from_nrarfcn(int nr_bandP, uint32_t dl_nrarfcn); +uint64_t from_nrarfcn(int nr_bandP, uint8_t scs_index, uint32_t dl_nrarfcn); -uint32_t to_nrarfcn(int nr_bandP, uint64_t dl_CarrierFreq, uint32_t bw); +uint32_t to_nrarfcn(int nr_bandP, uint64_t dl_CarrierFreq, uint8_t scs_index, uint32_t bw); int16_t fill_dmrs_mask(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,int NrOfSymbols);