From 30cc9c1c66a749484a6c0842dc6f2d5669127319 Mon Sep 17 00:00:00 2001
From: WANG Tsu-Han <wangts@eurecom.fr>
Date: Wed, 22 Aug 2018 15:36:43 +0200
Subject: [PATCH] adding half fill mechanism into accelorated modulation
---
openair1/PHY/LTE_TRANSPORT/dlsch_modulation.c | 213 +++++++++++++-----
openair2/LAYER2/MAC/eNB_scheduler_phytest.c | 6 +-
2 files changed, 161 insertions(+), 58 deletions(-)
diff --git a/openair1/PHY/LTE_TRANSPORT/dlsch_modulation.c b/openair1/PHY/LTE_TRANSPORT/dlsch_modulation.c
index 0bd28b6827..19fefc845e 100644
--- a/openair1/PHY/LTE_TRANSPORT/dlsch_modulation.c
+++ b/openair1/PHY/LTE_TRANSPORT/dlsch_modulation.c
@@ -165,10 +165,19 @@ int allocate_REs_in_RB_no_pilots_QPSK_siso(PHY_VARS_eNB* phy_vars_eNB,
uint32_t tti_offset;
uint8_t re;
uint8_t *x0p;
+ uint8_t first_re,last_re;
+
+ last_re=12;
+ first_re=0;
+ if (skip_half==1)
+ last_re=6;
+ else if (skip_half==2)
+ first_re=6;
+ re=first_re;
if (skip_dc == 0) {
- for (x0p=&x0[*jj],tti_offset=symbol_offset+re_offset,re=0;
- re<12;
+ for (x0p=&x0[*jj],tti_offset=symbol_offset+re_offset+re;
+ re<last_re;
re++,x0p+=2,tti_offset++) {
qpsk_table_offset_re=x0p[0];
@@ -199,8 +208,16 @@ int allocate_REs_in_RB_no_pilots_QPSK_siso(PHY_VARS_eNB* phy_vars_eNB,
((int16_t *)&txdataF[0][tti_offset])[1]=qam_table_s0[qpsk_table_offset_im];
}
}
- *re_allocated = *re_allocated + 12;
- *jj=*jj + 24;
+ if(skip_half!=0)
+ {
+ *re_allocated = *re_allocated + 6;
+ *jj=*jj + 12;
+ }
+ else
+ {
+ *re_allocated = *re_allocated + 12;
+ *jj=*jj + 24;
+ }
return(0);
}
@@ -238,12 +255,20 @@ int allocate_REs_in_RB_pilots_QPSK_siso(PHY_VARS_eNB* phy_vars_eNB,
uint32_t tti_offset;
uint8_t re;
uint8_t *x0p;
+ uint8_t first_re,last_re;
+ last_re=12;
+ first_re=0;
+ if (skip_half==1)
+ last_re=6;
+ else if (skip_half==2)
+ first_re=6;
+ re=first_re+P1_SHIFT[0];
if (skip_dc == 0) {
// printf("pilots: P1_SHIFT[0] %d\n",P1_SHIFT[0]);
- for (x0p=&x0[*jj],tti_offset=symbol_offset+re_offset+P1_SHIFT[0],re=P1_SHIFT[0];
- re<12;
+ for (x0p=&x0[*jj],tti_offset=symbol_offset+re_offset+re;
+ re<last_re;
x0p+=2) {
qpsk_table_offset_re=x0p[0];
@@ -280,8 +305,16 @@ int allocate_REs_in_RB_pilots_QPSK_siso(PHY_VARS_eNB* phy_vars_eNB,
re+=P1_SHIFT[re+1];
}
}
- *re_allocated = *re_allocated + 10;
- *jj=*jj + 20;
+ if(skip_half!=0)
+ {
+ *re_allocated = *re_allocated + 5;
+ *jj=*jj + 10;
+ }
+ else
+ {
+ *re_allocated = *re_allocated + 10;
+ *jj=*jj + 20;
+ }
return(0);
}
@@ -317,10 +350,19 @@ int allocate_REs_in_RB_no_pilots_16QAM_siso(PHY_VARS_eNB* phy_vars_eNB,
uint32_t tti_offset;
uint8_t re;
uint8_t *x0p;
+ uint8_t first_re,last_re;
+
+ last_re=12;
+ first_re=0;
+ if (skip_half==1)
+ last_re=6;
+ else if (skip_half==2)
+ first_re=6;
+ re=first_re;
if (skip_dc == 0) {
- for (x0p=&x0[*jj],tti_offset=symbol_offset+re_offset,re=0;
- re<12;
+ for (x0p=&x0[*jj],tti_offset=symbol_offset+re_offset+re;
+ re<last_re;
re++,x0p+=4,tti_offset++) {
qam16_table_offset_re=TWO[x0p[0]];
@@ -357,8 +399,16 @@ int allocate_REs_in_RB_no_pilots_16QAM_siso(PHY_VARS_eNB* phy_vars_eNB,
((int16_t *)&txdataF[0][tti_offset])[1]=qam_table_s0[qam16_table_offset_im];
}
}
- *re_allocated = *re_allocated + 12;
- *jj=*jj + 48;
+ if(skip_half!=0)
+ {
+ *re_allocated = *re_allocated + 6;
+ *jj=*jj + 24;
+ }
+ else
+ {
+ *re_allocated = *re_allocated + 12;
+ *jj=*jj + 48;
+ }
return(0);
}
@@ -396,12 +446,21 @@ int allocate_REs_in_RB_pilots_16QAM_siso(PHY_VARS_eNB* phy_vars_eNB,
uint32_t tti_offset;
uint8_t re;
uint8_t *x0p;
+ uint8_t first_re,last_re;
+
+ last_re=12;
+ first_re=0;
+ if (skip_half==1)
+ last_re=6;
+ else if (skip_half==2)
+ first_re=6;
+ re=first_re+P1_SHIFT[0];
if (skip_dc == 0) {
// LOG_I(PHY,"pilots: P1_SHIFT[0] %d\n",P1_SHIFT[0]);
- for (x0p=&x0[*jj],tti_offset=symbol_offset+re_offset+P1_SHIFT[0],re=P1_SHIFT[0];
- re<12;
+ for (x0p=&x0[*jj],tti_offset=symbol_offset+re_offset+re;
+ re<last_re;
x0p+=4) {
qam16_table_offset_re=TWO[x0p[0]];
@@ -444,8 +503,16 @@ int allocate_REs_in_RB_pilots_16QAM_siso(PHY_VARS_eNB* phy_vars_eNB,
re+=P1_SHIFT[re+1];
}
}
- *re_allocated = *re_allocated + 10;
- *jj=*jj + 40;
+ if(skip_half!=0)
+ {
+ *re_allocated = *re_allocated + 5;
+ *jj=*jj + 20;
+ }
+ else
+ {
+ *re_allocated = *re_allocated + 10;
+ *jj=*jj + 40;
+ }
return(0);
}
@@ -482,10 +549,19 @@ int allocate_REs_in_RB_no_pilots_64QAM_siso(PHY_VARS_eNB* phy_vars_eNB,
uint32_t tti_offset;
uint8_t re;
uint8_t *x0p;
+ uint8_t first_re,last_re;
+
+ last_re=12;
+ first_re=0;
+ if (skip_half==1)
+ last_re=6;
+ else if (skip_half==2)
+ first_re=6;
+ re=first_re;
if (skip_dc == 0) {
- x0p=&x0[*jj],tti_offset=symbol_offset+re_offset;
+ x0p=&x0[*jj],tti_offset=symbol_offset+re_offset+re;
/* for (x0p=&x0[*jj],tti_offset=symbol_offset+re_offset,re=0;
re<12;
@@ -521,36 +597,38 @@ int allocate_REs_in_RB_no_pilots_64QAM_siso(PHY_VARS_eNB* phy_vars_eNB,
((int16_t *)&txdataF[0][tti_offset])[10]=qam_table_s0[qam64_table_offset_re];
((int16_t *)&txdataF[0][tti_offset])[11]=qam_table_s0[qam64_table_offset_im];
- qam64_table_offset_re=(x0p[36]<<2)|(x0p[38]<<1)|x0p[40];
- qam64_table_offset_im=(x0p[37]<<2)|(x0p[39]<<1)|x0p[41];
- ((int16_t *)&txdataF[0][tti_offset])[12]=qam_table_s0[qam64_table_offset_re];
- ((int16_t *)&txdataF[0][tti_offset])[13]=qam_table_s0[qam64_table_offset_im];
-
- qam64_table_offset_re=(x0p[42]<<2)|(x0p[44]<<1)|x0p[46];
- qam64_table_offset_im=(x0p[43]<<2)|(x0p[45]<<1)|x0p[47];
- ((int16_t *)&txdataF[0][tti_offset])[14]=qam_table_s0[qam64_table_offset_re];
- ((int16_t *)&txdataF[0][tti_offset])[15]=qam_table_s0[qam64_table_offset_im];
-
- qam64_table_offset_re=(x0p[48]<<2)|(x0p[50]<<1)|x0p[52];
- qam64_table_offset_im=(x0p[49]<<2)|(x0p[51]<<1)|x0p[53];
- ((int16_t *)&txdataF[0][tti_offset])[16]=qam_table_s0[qam64_table_offset_re];
- ((int16_t *)&txdataF[0][tti_offset])[17]=qam_table_s0[qam64_table_offset_im];
-
- qam64_table_offset_re=(x0p[54]<<2)|(x0p[56]<<1)|x0p[58];
- qam64_table_offset_im=(x0p[55]<<2)|(x0p[57]<<1)|x0p[59];
- ((int16_t *)&txdataF[0][tti_offset])[18]=qam_table_s0[qam64_table_offset_re];
- ((int16_t *)&txdataF[0][tti_offset])[19]=qam_table_s0[qam64_table_offset_im];
-
- qam64_table_offset_re=(x0p[60]<<2)|(x0p[62]<<1)|x0p[64];
- qam64_table_offset_im=(x0p[61]<<2)|(x0p[63]<<1)|x0p[65];
- ((int16_t *)&txdataF[0][tti_offset])[20]=qam_table_s0[qam64_table_offset_re];
- ((int16_t *)&txdataF[0][tti_offset])[21]=qam_table_s0[qam64_table_offset_im];
-
- qam64_table_offset_re=(x0p[66]<<2)|(x0p[68]<<1)|x0p[70];
- qam64_table_offset_im=(x0p[67]<<2)|(x0p[69]<<1)|x0p[71];
- ((int16_t *)&txdataF[0][tti_offset])[22]=qam_table_s0[qam64_table_offset_re];
- ((int16_t *)&txdataF[0][tti_offset])[23]=qam_table_s0[qam64_table_offset_im];
-
+ if(skip_half==0)
+ {
+ qam64_table_offset_re=(x0p[36]<<2)|(x0p[38]<<1)|x0p[40];
+ qam64_table_offset_im=(x0p[37]<<2)|(x0p[39]<<1)|x0p[41];
+ ((int16_t *)&txdataF[0][tti_offset])[12]=qam_table_s0[qam64_table_offset_re];
+ ((int16_t *)&txdataF[0][tti_offset])[13]=qam_table_s0[qam64_table_offset_im];
+
+ qam64_table_offset_re=(x0p[42]<<2)|(x0p[44]<<1)|x0p[46];
+ qam64_table_offset_im=(x0p[43]<<2)|(x0p[45]<<1)|x0p[47];
+ ((int16_t *)&txdataF[0][tti_offset])[14]=qam_table_s0[qam64_table_offset_re];
+ ((int16_t *)&txdataF[0][tti_offset])[15]=qam_table_s0[qam64_table_offset_im];
+
+ qam64_table_offset_re=(x0p[48]<<2)|(x0p[50]<<1)|x0p[52];
+ qam64_table_offset_im=(x0p[49]<<2)|(x0p[51]<<1)|x0p[53];
+ ((int16_t *)&txdataF[0][tti_offset])[16]=qam_table_s0[qam64_table_offset_re];
+ ((int16_t *)&txdataF[0][tti_offset])[17]=qam_table_s0[qam64_table_offset_im];
+
+ qam64_table_offset_re=(x0p[54]<<2)|(x0p[56]<<1)|x0p[58];
+ qam64_table_offset_im=(x0p[55]<<2)|(x0p[57]<<1)|x0p[59];
+ ((int16_t *)&txdataF[0][tti_offset])[18]=qam_table_s0[qam64_table_offset_re];
+ ((int16_t *)&txdataF[0][tti_offset])[19]=qam_table_s0[qam64_table_offset_im];
+
+ qam64_table_offset_re=(x0p[60]<<2)|(x0p[62]<<1)|x0p[64];
+ qam64_table_offset_im=(x0p[61]<<2)|(x0p[63]<<1)|x0p[65];
+ ((int16_t *)&txdataF[0][tti_offset])[20]=qam_table_s0[qam64_table_offset_re];
+ ((int16_t *)&txdataF[0][tti_offset])[21]=qam_table_s0[qam64_table_offset_im];
+
+ qam64_table_offset_re=(x0p[66]<<2)|(x0p[68]<<1)|x0p[70];
+ qam64_table_offset_im=(x0p[67]<<2)|(x0p[69]<<1)|x0p[71];
+ ((int16_t *)&txdataF[0][tti_offset])[22]=qam_table_s0[qam64_table_offset_re];
+ ((int16_t *)&txdataF[0][tti_offset])[23]=qam_table_s0[qam64_table_offset_im];
+ }
// }
}
@@ -584,8 +662,16 @@ int allocate_REs_in_RB_no_pilots_64QAM_siso(PHY_VARS_eNB* phy_vars_eNB,
}
}
- *re_allocated = *re_allocated + 12;
- *jj=*jj + 72;
+ if(skip_half!=0)
+ {
+ *re_allocated = *re_allocated + 6;
+ *jj=*jj + 36;
+ }
+ else
+ {
+ *re_allocated = *re_allocated + 12;
+ *jj=*jj + 72;
+ }
return(0);
}
@@ -623,12 +709,21 @@ int allocate_REs_in_RB_pilots_64QAM_siso(PHY_VARS_eNB* phy_vars_eNB,
uint32_t tti_offset;
uint8_t re;
uint8_t *x0p;
+ uint8_t first_re,last_re;
+
+ last_re=12;
+ first_re=0;
+ if (skip_half==1)
+ last_re=6;
+ else if (skip_half==2)
+ first_re=6;
+ re=first_re+P1_SHIFT[0];
if (skip_dc == 0) {
// LOG_I(PHY,"pilots: P1_SHIFT[0] %d\n",P1_SHIFT[0]);
- for (x0p=&x0[*jj],tti_offset=symbol_offset+re_offset+P1_SHIFT[0],re=P1_SHIFT[0];
- re<12;
+ for (x0p=&x0[*jj],tti_offset=symbol_offset+re_offset+re;
+ re<last_re;
x0p+=6) {
qam64_table_offset_re=FOUR[x0p[0]];
@@ -677,8 +772,16 @@ int allocate_REs_in_RB_pilots_64QAM_siso(PHY_VARS_eNB* phy_vars_eNB,
re+=P1_SHIFT[re+1];
}
}
- *re_allocated = *re_allocated + 10;
- *jj=*jj + 60;
+ if(skip_half!=0)
+ {
+ *re_allocated = *re_allocated + 5;
+ *jj=*jj + 30;
+ }
+ else
+ {
+ *re_allocated = *re_allocated + 10;
+ *jj=*jj + 60;
+ }
return(0);
}
@@ -2485,9 +2588,9 @@ int dlsch_modulation(PHY_VARS_eNB* phy_vars_eNB,
skip_half = check_skiphalf(rb,subframe_offset,frame_parms,l,nsymb);
skip_dc = check_skip_dc(rb,frame_parms);
- if(skip_half>0)
+ /*if(skip_half>0)
allocate_REs = allocate_REs_in_RB;
-
+ */
if (dlsch0) {
if (dlsch0_harq->Nlayers>1) {
diff --git a/openair2/LAYER2/MAC/eNB_scheduler_phytest.c b/openair2/LAYER2/MAC/eNB_scheduler_phytest.c
index 71449e3cd4..19570c6e10 100644
--- a/openair2/LAYER2/MAC/eNB_scheduler_phytest.c
+++ b/openair2/LAYER2/MAC/eNB_scheduler_phytest.c
@@ -71,7 +71,7 @@ schedule_ue_spec_phy_test(
uint16_t rnti = 0x1235;
uint32_t rb_alloc = 0x1FFFFF;
int32_t tpc = 1;
- int32_t mcs = 28;
+ int32_t mcs = 10;
int32_t cqi = 15;
int32_t ndi = (frameP*10+subframeP)/8;
int32_t dai = 0;
@@ -202,7 +202,7 @@ void schedule_ulsch_phy_test(module_id_t module_idP,frame_t frameP,sub_frame_t s
int32_t normalized_rx_power;
int32_t target_rx_power= 178;
int CC_id = 0;
- int nb_rb;
+ int nb_rb = 24;
int N_RB_UL;
eNB_MAC_INST *mac = RC.mac[module_idP];
COMMON_channels_t *cc = &mac->common_channels[0];
@@ -319,7 +319,7 @@ void schedule_ulsch_phy_test(module_id_t module_idP,frame_t frameP,sub_frame_t s
hi_dci0_req_body->number_of_dci++;
ul_req_index = 0;
- dlsch_flag = 0;
+ dlsch_flag = 0;
for(ul_req_index = 0;ul_req_index < ul_req->number_of_pdus;ul_req_index++){
if(ul_req->ul_config_pdu_list[ul_req_index].pdu_type == NFAPI_UL_CONFIG_UCI_HARQ_PDU_TYPE){
dlsch_flag = 1;
--
2.26.2