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Create the rrc_get_max_nr_csrs function to get a configuration for SRS which fills the entire UL BWP

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This commit is contained in:
rmagueta
2021-11-19 17:51:41 +00:00
parent 67c2ddb742
commit 86f306ee25
1 changed files with 29 additions and 1 deletions
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openair2/RRC/NR/MESSAGES/asn1_msg.c
+29 -1
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@@ -39,6 +39,7 @@
#include <asn_application.h>
#include <asn_internal.h> /* for _ASN_DEFAULT_STACK_MAX */
#include <per_encoder.h>
#include <nr/nr_common.h>
#include "asn1_msg.h"
#include "../nr_rrc_proto.h"
@@ -985,6 +986,31 @@ uint8_t do_RRCReject(uint8_t Mod_id,
return((enc_rval.encoded+7)/8);
}
// TODO: Implement to b_SRS = 1 and b_SRS = 2
long rrc_get_max_nr_csrs(uint8_t max_rbs, long b_SRS) {
if(b_SRS>0) {
LOG_E(NR_RRC,"rrc_get_max_nr_csrs(): Not implemented yet for b_SRS>0\n");
return 0; // This c_srs is always valid
}
const uint16_t m_SRS[64] = { 4, 8, 12, 16, 16, 20, 24, 24, 28, 32, 36, 40, 48, 48, 52, 56, 60, 64, 72, 72, 76, 80, 88,
96, 96, 104, 112, 120, 120, 120, 128, 128, 128, 132, 136, 144, 144, 144, 144, 152, 160,
160, 160, 168, 176, 184, 192, 192, 192, 192, 208, 216, 224, 240, 240, 240, 240, 256, 256,
256, 264, 272, 272, 272 };
long c_srs = 0;
uint16_t m = 4;
for(int c = 1; c<64; c++) {
if(m_SRS[c]>m && m_SRS[c]<max_rbs) {
c_srs = c;
m = m_SRS[c];
}
}
return c_srs;
}
void fill_initial_SpCellConfig(rnti_t rnti,
NR_SpCellConfig_t *SpCellConfig,
NR_ServingCellConfigCommon_t *scc,
@@ -1150,9 +1176,11 @@ void fill_initial_SpCellConfig(rnti_t rnti,
srs_res0->resourceMapping.repetitionFactor=NR_SRS_Resource__resourceMapping__repetitionFactor_n1;
srs_res0->freqDomainPosition=0;
srs_res0->freqDomainShift=0;
srs_res0->freqHopping.c_SRS = 0;
srs_res0->freqHopping.b_SRS=0;
srs_res0->freqHopping.b_hop=0;
srs_res0->freqHopping.c_SRS = rrc_get_max_nr_csrs(
NRRIV2BW(scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, 275),
srs_res0->freqHopping.b_SRS);
srs_res0->groupOrSequenceHopping=NR_SRS_Resource__groupOrSequenceHopping_neither;
if(0) {