fixed cqi max bits

srslte/include/srslte/enb/enb_dl.h

@@ -88,6 +88,7 @@ typedef struct SRSLTE_API {
   float sss_signal5[SRSLTE_SSS_LEN]; 
     
   uint32_t nof_rnti;
+  float tx_amp;
   
 } srslte_enb_dl_t;
 
@@ -114,6 +115,9 @@ SRSLTE_API void srslte_enb_dl_free(srslte_enb_dl_t *q);
 SRSLTE_API void srslte_enb_dl_set_cfi(srslte_enb_dl_t *q, 
                                       uint32_t cfi);
 
+SRSLTE_API void srslte_enb_dl_set_amp(srslte_enb_dl_t *q, 
+                                      float amp); 
+
 SRSLTE_API void srslte_enb_dl_clear_sf(srslte_enb_dl_t *q);
 
 SRSLTE_API void srslte_enb_dl_put_sync(srslte_enb_dl_t *q, 

srslte/include/srslte/phch/cqi.h

@@ -40,7 +40,7 @@
 #include "srslte/config.h"
 #include "srslte/common/phy_common.h"
 
-#define SRSLTE_CQI_MAX_BITS 20
+#define SRSLTE_CQI_MAX_BITS 64
 
 typedef struct {
   bool     configured; 

srslte/lib/enb/enb_dl.c

@@ -37,7 +37,7 @@
 #define CURRENT_SLOTLEN_RE SRSLTE_SLOT_LEN_RE(q->cell.nof_prb, q->cell.cp)
 #define CURRENT_SFLEN_RE SRSLTE_SF_LEN_RE(q->cell.nof_prb, q->cell.cp)
 
-#define SRSLTE_ENB_RF_AMP 0.5
+#define SRSLTE_ENB_RF_AMP 0.1
 
 int srslte_enb_dl_init(srslte_enb_dl_t *q, srslte_cell_t cell, uint32_t nof_rnti)
 {
@@ -53,6 +53,7 @@ int srslte_enb_dl_init(srslte_enb_dl_t *q, srslte_cell_t cell, uint32_t nof_rnti
     q->cell = cell;
     q->cfi  = 3; 
     q->nof_rnti = nof_rnti; 
+    q->tx_amp = SRSLTE_ENB_RF_AMP;
     
     if (srslte_ofdm_tx_init(&q->ifft, q->cell.cp, q->cell.nof_prb)) {
       fprintf(stderr, "Error initiating FFT\n");
@@ -146,6 +147,11 @@ void srslte_enb_dl_free(srslte_enb_dl_t *q)
   }  
 }
 
+void srslte_enb_dl_set_amp(srslte_enb_dl_t *q, float amp)
+{
+  q->tx_amp = amp; 
+}
+
 void srslte_enb_dl_set_cfi(srslte_enb_dl_t *q, uint32_t cfi) 
 {
   q->cfi = cfi; 
@@ -214,7 +220,7 @@ void srslte_enb_dl_gen_signal(srslte_enb_dl_t *q, cf_t *signal_buffer)
      
   // TODO: PAPR control
   float norm_factor = (float) sqrt(q->cell.nof_prb)/15;
-  srslte_vec_sc_prod_cfc(signal_buffer, SRSLTE_ENB_RF_AMP*norm_factor, signal_buffer, SRSLTE_SF_LEN_PRB(q->cell.nof_prb));
+  srslte_vec_sc_prod_cfc(signal_buffer, q->tx_amp*norm_factor, signal_buffer, SRSLTE_SF_LEN_PRB(q->cell.nof_prb));
 }
 
 int srslte_enb_dl_cfg_rnti(srslte_enb_dl_t *q, uint32_t idx, uint16_t rnti)

srslte/lib/phch/uci.c

@@ -314,6 +314,7 @@ int decode_cqi_long(srslte_uci_cqi_pusch_t *q, int16_t *q_bits, uint32_t Q,
     }
     
     ret = srslte_crc_checksum(&q->crc, q->tmp_cqi, nof_bits + 8);
+    printf("ret=%d, nof_bits=%d\n", ret, nof_bits);
     if (ret == 0) {
       memcpy(data, q->tmp_cqi, nof_bits*sizeof(uint8_t));
       ret = 1;