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Commit 2e8e281a authored by Cedric Roux's avatar Cedric Roux
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handle 10MHz bandwidth (50 resource blocks)

parent 859a19f0
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Showing with 97 additions and 8 deletions
openair2/LAYER2/MAC/eNB_scheduler.c
View file @ 2e8e281a
......@@ -325,6 +325,32 @@ static void fapi_convert_dl_1A_5MHz_FDD(struct DlDciListElement_s *dci, DCI_ALLO
a->format = format1A;
}
static void fapi_convert_dl_1A_10MHz_FDD(struct DlDciListElement_s *dci, DCI_ALLOC_t *a)
{
DCI1A_10MHz_FDD_t *d = (DCI1A_10MHz_FDD_t *)a->dci_pdu;
if (dci->nr_of_tbs != 1) { printf("%s:%d: TODO\n", __FUNCTION__, __LINE__); exit(1); }
d->type = 1; /* type = 0 => DCI Format 0, type = 1 => DCI Format 1A */
d->vrb_type = dci->vrbFormat == VRB_LOCALIZED ? 0 :
dci->vrbFormat == VRB_DISTRIBUTED ? 1 :
(printf("%s:%d: error\n", __FUNCTION__, __LINE__), abort(), 0);
d->rballoc = dci->rbBitmap;
d->mcs = dci->mcs[0]; /* TODO: take care of transport block index */
d->harq_pid = dci->harqProcess;
d->ndi = dci->ndi[0]; /* TODO: take care of transport block index */
d->rv = dci->rv[0]; /* TODO: take care of transport block index */
d->TPC = dci->tpc == -1 ? 0 : /* see 36.213 table 5.1.2.1-1 */
dci->tpc == 0 ? 1 :
dci->tpc == 1 ? 2 :
dci->tpc == 3 ? 3 :
(printf("%s:%d: error\n", __FUNCTION__, __LINE__), abort(), 0);
d->padding = 0;
a->dci_length = sizeof_DCI1A_10MHz_FDD_t;
a->format = format1A;
}
static uint32_t revert(uint32_t x, int len)
{
int i;
......@@ -362,6 +388,31 @@ static void fapi_convert_dl_1_5MHz_FDD(struct DlDciListElement_s *dci, DCI_ALLOC
a->format = format1;
}
static void fapi_convert_dl_1_10MHz_FDD(struct DlDciListElement_s *dci, DCI_ALLOC_t *a)
{
DCI1_10MHz_FDD_t *d = (DCI1_10MHz_FDD_t *)a->dci_pdu;
if (dci->nr_of_tbs != 1) { printf("%s:%d: TODO\n", __FUNCTION__, __LINE__); exit(1); }
d->rah = dci->resAlloc == 0 ? 0 :
dci->resAlloc == 1 ? 1 :
(printf("%s:%d: error\n", __FUNCTION__, __LINE__), abort(), 0);
d->rballoc = revert(dci->rbBitmap, 13);
d->mcs = dci->mcs[0]; /* TODO: take care of transport block index */
d->harq_pid = dci->harqProcess;
d->ndi = dci->ndi[0]; /* TODO: take care of transport block index */
d->rv = dci->rv[0]; /* TODO: take care of transport block index */
d->TPC = dci->tpc == -1 ? 0 : /* see 36.213 table 5.1.2.1-1 */
dci->tpc == 0 ? 1 :
dci->tpc == 1 ? 2 :
dci->tpc == 3 ? 3 :
(printf("%s:%d: error (dci->tpc = %d)\n", __FUNCTION__, __LINE__, dci->tpc), abort(), 0);
d->dummy = 0;
a->dci_length = sizeof_DCI1_10MHz_FDD_t;
a->format = format1;
}
static void fapi_convert_dl_dci(int module_id, int CC_id,
struct DlDciListElement_s *dci, DCI_ALLOC_t *a)
{
......@@ -370,13 +421,21 @@ static void fapi_convert_dl_dci(int module_id, int CC_id,
if (dci->rnti != 0)
fapi_dl_tpc(module_id, CC_id, dci);
/* 5MHz FDD supposed, not checked */
switch (dci->format) {
case ONE_A:
fapi_convert_dl_1A_5MHz_FDD(dci, a);
/* TODO: handle all bandwidths */
switch (PHY_vars_eNB_g[module_id][CC_id]->lte_frame_parms.N_RB_DL) {
case 25:
switch (dci->format) {
case ONE_A: fapi_convert_dl_1A_5MHz_FDD(dci, a); break;
case ONE: fapi_convert_dl_1_5MHz_FDD(dci, a); break;
default: printf("%s:%d: TODO\n", __FUNCTION__, __LINE__); abort();
}
break;
case ONE:
fapi_convert_dl_1_5MHz_FDD(dci, a);
case 50:
switch (dci->format) {
case ONE_A: fapi_convert_dl_1A_10MHz_FDD(dci, a); break;
case ONE: fapi_convert_dl_1_10MHz_FDD(dci, a); break;
default: printf("%s:%d: TODO\n", __FUNCTION__, __LINE__); abort();
}
break;
default: printf("%s:%d: TODO\n", __FUNCTION__, __LINE__); abort();
}
......@@ -416,6 +475,32 @@ static void fapi_convert_ul_5MHz_FDD(module_id_t module_idP, int CC_id,
a->format = format0;
}
static void fapi_convert_ul_10MHz_FDD(module_id_t module_idP, int CC_id,
struct UlDciListElement_s *dci, DCI_ALLOC_t *a)
{
DCI0_10MHz_FDD_t *d = (DCI0_10MHz_FDD_t *)a->dci_pdu;
d->type = 0; /* type = 0 => DCI Format 0, type = 1 => DCI Format 1A */
d->hopping = dci->hopping;
d->rballoc = mac_xface->computeRIV(PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL, dci->rbStart, dci->rbLen);
d->mcs = dci->mcs;
d->ndi = dci->ndi;
d->TPC = dci->tpc == -1 ? 0 : /* see 36.213 table 5.1.1.1-2, accumulated case supposed */
dci->tpc == 0 ? 1 :
dci->tpc == 1 ? 2 :
dci->tpc == 3 ? 3 :
(printf("%s:%d: error (tpc = %d)\n", __FUNCTION__, __LINE__, dci->tpc), abort(), 0);
d->cshift = dci->n2Dmrs; /* TODO: this may be wrong,
* see openair1/PHY/LTE_TRANSPORT/dci_tools.c:generate_eNB_ulsch_params_from_dci
* there is a translation between those
*/
d->cqi_req = dci->cqiRequest;
d->padding = 0;
a->dci_length = sizeof_DCI0_10MHz_FDD_t;
a->format = format0;
}
static void fapi_convert_ul_dci(module_id_t module_idP, int CC_id,
struct UlDciListElement_s *dci, DCI_ALLOC_t *a)
{
......@@ -423,8 +508,12 @@ static void fapi_convert_ul_dci(module_id_t module_idP, int CC_id,
/* TODO: remove it if/when the scheduler does it */
fapi_ul_tpc(module_idP, CC_id, dci);
/* 5MHz FDD supposed, not checked */
fapi_convert_ul_5MHz_FDD(module_idP, CC_id, dci, a);
/* TODO: handle all bandwidths */
switch (PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_UL) {
case 25: fapi_convert_ul_5MHz_FDD(module_idP, CC_id, dci, a); break;
case 50: fapi_convert_ul_10MHz_FDD(module_idP, CC_id, dci, a); break;
default: printf("%s:%d: TODO\n", __FUNCTION__, __LINE__); abort();
}
a->L = dci->aggrLevel == 1 ? 0 :
dci->aggrLevel == 2 ? 1 :
......
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