diff --git a/ci-scripts/conf_files/gnb.sa.band66.ntn.leo.25prb.rfsim.conf b/ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn-leo.conf similarity index 97% rename from ci-scripts/conf_files/gnb.sa.band66.ntn.leo.25prb.rfsim.conf rename to ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn-leo.conf index d7d086f52e..7a47d90975 100644 --- a/ci-scripts/conf_files/gnb.sa.band66.ntn.leo.25prb.rfsim.conf +++ b/ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn-leo.conf @@ -29,11 +29,11 @@ gNBs = # downlinkConfigCommon #frequencyInfoDL - # this is 2150.43 MHz + 14 PRBs@15kHz SCS (same as initial BWP), points to Subcarrier 0 of RB#10 of SSB block - absoluteFrequencySSB = 430590; - dl_frequencyBand = 66; - # this is 2150.43 MHz - dl_absoluteFrequencyPointA = 430086; + # GSCN 6221 + absoluteFrequencySSB = 497770; + dl_frequencyBand = 254; + # this is 2486.15 MHz + dl_absoluteFrequencyPointA = 497230; #scs-SpecificCarrierList dl_offstToCarrier = 0; # subcarrierSpacing @@ -53,9 +53,9 @@ gNBs = #uplinkConfigCommon #frequencyInfoUL - ul_frequencyBand = 66; - # this is 1750.43 MHz - ul_absoluteFrequencyPointA = 350086; + ul_frequencyBand = 254; + # this is 1612.65 MHz + ul_absoluteFrequencyPointA = 322530; #scs-SpecificCarrierList ul_offstToCarrier = 0; # subcarrierSpacing @@ -89,7 +89,7 @@ gNBs = #ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR #1=oneeighth,2=onefourth,3=half,4=one,5=two,6=four,7=eight,8=sixteen ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR = 4; -#oneHalf (0..15) 4,8,12,16,...60,64 +#one (0..15) 4,8,12,16,...60,64 ssb_perRACH_OccasionAndCB_PreamblesPerSSB = 15; #ra_ContentionResolutionTimer #(0..7) 8,16,24,32,40,48,56,64 diff --git a/doc/RUNMODEM.md b/doc/RUNMODEM.md index 1aeee6a4dd..b24b4940e5 100644 --- a/doc/RUNMODEM.md +++ b/doc/RUNMODEM.md @@ -296,11 +296,11 @@ To enable this feature, the `disable_harq` flag has to be added to the gNB conf ... ``` -The settings for a transparent GEO satellite scenario are already provided in the file `ci-scripts/conf_files/gnb.sa.band66.ntn.25prb.rfsim.conf`. +The settings for a transparent GEO satellite scenario are already provided in the file `ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn.conf`. Using this conf file, an example gNB command for FDD, 5 MHz BW, 15 kHz SCS, transparent GEO satellite 5G NR NTN is this: ``` cd cmake_targets -sudo ./ran_build/build/nr-softmodem -O ../ci-scripts/conf_files/gnb.sa.band66.ntn.25prb.rfsim.conf --rfsim +sudo ./ran_build/build/nr-softmodem -O ../ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn.conf --rfsim ``` To configure NTN gNB with 32 HARQ processes in downlink and uplink, add these settings in conf files under section `gNBs.[0]` @@ -316,11 +316,11 @@ To simulate a LEO satellite channel model with rfsimulator in UL (DL is simulate @include "channelmod_rfsimu_LEO_satellite.conf" ``` -The settings for a transparent LEO satellite scenario are already provided in the file `ci-scripts/conf_files/gnb.sa.band66.ntn.leo.25prb.rfsim.conf`. +The settings for a transparent LEO satellite scenario are already provided in the file `ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn-leo.conf`. Using this conf file, an example gNB command for FDD, 5 MHz BW, 15 kHz SCS, trasparent LEO satellite 5G NR NTN is this: ``` cd cmake_targets -sudo ./ran_build/build/nr-softmodem -O ../ci-scripts/conf_files/gnb.sa.band66.ntn.leo.25prb.rfsim.conf --rfsim +sudo ./ran_build/build/nr-softmodem -O ../ci-scripts/conf_files/gnb.sa.band254.u0.25prb.rfsim.ntn-leo.conf --rfsim ``` ### NR UE @@ -342,7 +342,7 @@ position0 = { So an example NR UE command for FDD, 5MHz BW, 15 kHz SCS, transparent GEO satellite 5G NR NTN is this: ``` cd cmake_targets -sudo ./ran_build/build/nr-uesoftmodem -O ../targets/PROJECTS/GENERIC-NR-5GC/CONF/ue.conf --band 66 -C 2152680000 --CO -400000000 -r 25 --numerology 0 --ssb 48 --rfsim --rfsimulator.prop_delay 238.74 +sudo ./ran_build/build/nr-uesoftmodem -O ../targets/PROJECTS/GENERIC-NR-5GC/CONF/ue.conf --band 254 -C 2488400000 --CO -873500000 -r 25 --numerology 0 --ssb 60 --rfsim --rfsimulator.prop_delay 238.74 ``` For LEO satellite scenarios, the parameter `--ntn-initial-time-drift` must be provided via command line, as the UE needs this value to compensate for the time drift during initial sync, before SIB19 was received. @@ -352,7 +352,7 @@ Also, to perform an autonomous TA update based on the DL drift, the boolean para So an example NR UE command for FDD, 5MHz BW, 15 kHz SCS, transparent LEO satellite 5G NR NTN is this: ``` cd cmake_targets -sudo ./ran_build/build/nr-uesoftmodem -O ../targets/PROJECTS/GENERIC-NR-5GC/CONF/ue.conf --band 66 -C 2152680000 --CO -400000000 -r 25 --numerology 0 --ssb 48 --rfsim --rfsimulator.prop_delay 20 --rfsimulator.options chanmod --time-sync-I 0.1 --ntn-initial-time-drift -46 --autonomous-ta +sudo ./ran_build/build/nr-uesoftmodem -O ../targets/PROJECTS/GENERIC-NR-5GC/CONF/ue.conf --band 254 -C 2488400000 --CO -873500000 -r 25 --numerology 0 --ssb 60 --rfsim --rfsimulator.prop_delay 20 --rfsimulator.options chanmod --time-sync-I 0.1 --ntn-initial-time-drift -46 --autonomous-ta ``` # Specific OAI modes