extern int8_t coresetIdxTable[MAX_CORESET_INDEX][4];
extern int8_t searchSpaceIdxTable[MAX_SEARCH_SPACE_INDEX][4];
+/**
+ * @brief calculate ra-rnti function.
+ *
+ * @details
+ *
+ * Function : calculateRaRnti
+ *
+ * This function calculates ra-rnti
+ *
+ * @param[in] symbol index
+ * @param[in] slot index
+ * @param[in] frequency index
+ * @return ra-rnti
+ **/
uint16_t calculateRaRnti(uint8_t symbolIdx, uint8_t slotIdx, uint8_t freqIdx)
{
uint16_t raRnti = 0;
return raRnti;
}
+/**
+ * @brief create raCb function.
+ *
+ * @details
+ *
+ * Function : createSchRaCb
+ *
+ * This function create raCb
+ *
+ * @param[in] tcrnti
+ * @param[in] shed instance
+ * @return void
+ **/
void createSchRaCb(uint16_t tcrnti, Inst schInst)
{
schCb[schInst].cells[schInst]->raCb[0].tcrnti = tcrnti;
}
-int schProcessRachInd(RachIndInfo *rachInd, Inst schInst)
+/**
+ * @brief process rach indication function.
+ *
+ * @details
+ *
+ * Function : schProcessRachInd
+ *
+ * This function process rach indication
+ *
+ * @param[in] rachInd parameters
+ * @param[in] shed instance
+ * @return ROK
+ **/
+uint8_t schProcessRachInd(RachIndInfo *rachInd, Inst schInst)
{
SchCellCb *cell = schCb[schInst].cells[schInst];
+ uint16_t raRnti = 0;
- uint16_t sfn = rachInd->timingInfo.sfn; /* get the current timing info */
- uint16_t slot = rachInd->timingInfo.slot;
- uint16_t sfnSlot = ((sfn * 10) + slot + 1); /* scheduled in the next slot */
- uint8_t rarDelay = 0;
-
- if(sfnSlot % cell->cellCfg.sib1SchCfg.sib1RepetitionPeriod == 0)
- {
- /* the next slot has SIB1 occasion, so send it after 2 slot */
- rarDelay = 2;
- }
- else
- {
- /* send RAR in the next slot */
- //rarDelay = 1;
- rarDelay = 2;
- }
-
- if((slot+rarDelay) % SCH_NUM_SLOTS == 0)
- {
- sfn = (sfn+1) % SCH_MAX_SFN;
- }
-
- slot = ((slot + rarDelay) % SCH_NUM_SLOTS);
-
- SchDlAlloc *dlAlloc = cell->dlAlloc[slot]; /* RAR will sent in the next slot */
+ SchDlAlloc *dlAlloc =
+ cell->dlAlloc[(rachInd->timingInfo.slot+SCHED_DELTA+RAR_DELAY)%SCH_NUM_SLOTS]; /* RAR will sent in the next slot */
RarInfo *rarInfo = &(dlAlloc->rarInfo);
/* rar message presense in next slot ind and will be scheduled */
dlAlloc->rarPres = true;
/* calculate the ra-rnti value */
- uint16_t raRnti = 0;
raRnti = calculateRaRnti(rachInd->symbolIdx,rachInd->slotIdx,rachInd->freqIdx);
/* create raCb at SCH */
return ROK;
}
-int schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t offsetPointA)
+/**
+ * @brief fill RAR info function.
+ *
+ * @details
+ *
+ * Function : calculateRaRnti
+ *
+ * This function fills pdcch and pdsch info for RAR
+ *
+ * @param[in] rar Allocation info
+ * @param[in] ra-rnti
+ * @param[in] PCI
+ * @param[in] offset to pointA to determine freq alloc
+ * @return ROK
+ **/
+uint8_t schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t offsetPointA)
{
+ Inst inst = 0;
uint8_t coreset0Idx = 0;
- uint8_t searchSpace0Idx = 0;
- //uint8_t ssbMuxPattern = 0;
uint8_t numRbs = 0;
+ uint8_t firstSymbol = 0;
uint8_t numSymbols = 0;
uint8_t offset = 0;
- //uint8_t oValue = 0;
- //uint8_t numSearchSpacePerSlot = 0;
- //uint8_t mValue = 0;
- uint8_t firstSymbol = 0; /* need to calculate using formula mentioned in 38.213 */
uint8_t FreqDomainResource[6] = {0};
+ SchBwpDlCfg *initialBwp = &schCb[inst].cells[inst]->cellCfg.schInitialBwp;
PdcchCfg *pdcch = &rarAlloc->rarPdcchCfg;
PdschCfg *pdsch = &rarAlloc->rarPdschCfg;
- coreset0Idx = 0;
- searchSpace0Idx = 0;
+ coreset0Idx = initialBwp->pdcchCommon.raSearchSpace.coresetId;
/* derive the sib1 coreset0 params from table 13-1 spec 38.213 */
- //ssbMuxPattern = coresetIdxTable[coreset0Idx][0];
numRbs = coresetIdxTable[coreset0Idx][1];
numSymbols = coresetIdxTable[coreset0Idx][2];
offset = coresetIdxTable[coreset0Idx][3];
- /* derive the search space params from table 13-11 spec 38.213 */
- //oValue = searchSpaceIdxTable[searchSpace0Idx][0];
- //numSearchSpacePerSlot = searchSpaceIdxTable[searchSpace0Idx][1];
- //mValue = searchSpaceIdxTable[searchSpace0Idx][2];
- firstSymbol = searchSpaceIdxTable[searchSpace0Idx][3];
+ /* calculate time domain parameters */
+ // note: since slot value is made sl1, RAR can be sent at all slots
+ uint16_t mask = 0x2000;
+ for(firstSymbol=0; firstSymbol<14;firstSymbol++)
+ {
+ if(initialBwp->pdcchCommon.raSearchSpace.monitoringSymbol & mask)
+ break;
+ else
+ mask = mask>>1;
+ }
/* calculate the PRBs */
freqDomResourceAlloc( ((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource);
/* fill the PDCCH PDU */
- pdcch->pdcchBwpCfg.BWPSize = MAX_NUM_RB; /* whole of BW */
- pdcch->pdcchBwpCfg.BWPStart = 0;
- pdcch->pdcchBwpCfg.subcarrierSpacing = 0; /* 15Khz */
- pdcch->pdcchBwpCfg.cyclicPrefix = 0; /* normal */
+ pdcch->pdcchBwpCfg.BWPSize = initialBwp->bwp.numPrb;
+ pdcch->pdcchBwpCfg.BWPStart = initialBwp->bwp.firstPrb;
+ pdcch->pdcchBwpCfg.subcarrierSpacing = initialBwp->bwp.scs;
+ pdcch->pdcchBwpCfg.cyclicPrefix = initialBwp->bwp.cyclicPrefix;
pdcch->coreset0Cfg.startSymbolIndex = firstSymbol;
pdcch->coreset0Cfg.durationSymbols = numSymbols;
memcpy(pdcch->coreset0Cfg.freqDomainResource,FreqDomainResource,6);
pdcch->dci.rnti = raRnti; /* RA-RNTI */
pdcch->dci.scramblingId = pci;
pdcch->dci.scramblingRnti = 0;
- pdcch->dci.cceIndex = 0;
+ pdcch->dci.cceIndex = 4; /* considering SIB1 is sent at cce 0-1-2-3 */
pdcch->dci.aggregLevel = 4;
pdcch->dci.beamPdcchInfo.numPrgs = 1;
pdcch->dci.beamPdcchInfo.prgSize = 1;
pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */
pdsch->rnti = raRnti; /* RA-RNTI */
pdsch->pduIndex = 0;
- pdsch->pdschBwpCfg.BWPSize = MAX_NUM_RB; /* whole of BW */
- pdsch->pdschBwpCfg.BWPStart = 0;
+ pdsch->pdschBwpCfg.BWPSize = initialBwp->bwp.numPrb;
+ pdsch->pdschBwpCfg.BWPStart = initialBwp->bwp.firstPrb;
pdsch->numCodewords = 1;
for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
{
pdsch->codeword[cwCount].targetCodeRate = 308;
pdsch->codeword[cwCount].qamModOrder = 2;
- pdsch->codeword[cwCount].mcsIndex = 4; /* msc configured to 4 */
+ pdsch->codeword[cwCount].mcsIndex = 4; /* mcs configured to 4 */
pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */
pdsch->codeword[cwCount].rvIndex = 0;
- pdsch->codeword[cwCount].tbSize = 768;
+ pdsch->codeword[cwCount].tbSize = 80/8; /* 38.214: Table 5.1.3.2-1,
+ devided by 8 to get the value in bytes */
}
pdsch->dataScramblingId = pci;
pdsch->numLayers = 1;
Code Review / o-du / l2.git / blobdiff