diff --git a/lib/examples/pdsch_enodeb.c b/lib/examples/pdsch_enodeb.c
index afa47c9d4..1d807973c 100644
--- a/lib/examples/pdsch_enodeb.c
+++ b/lib/examples/pdsch_enodeb.c
@@ -943,6 +943,7 @@ int main(int argc, char **argv) {
           /* Configure pmch_cfg parameters */
           srslte_ra_dl_grant_t grant;
           grant.tb_en[0] = true;
+          grant.tb_en[1] = false;
           grant.mcs[0].idx = 2;
           grant.mcs[0].mod = SRSLTE_MOD_QPSK;
           grant.nof_prb = cell.nof_prb;
diff --git a/lib/include/srslte/common/metrics_hub.h b/lib/include/srslte/common/metrics_hub.h
index 66cc4acbd..a9b77d5f6 100644
--- a/lib/include/srslte/common/metrics_hub.h
+++ b/lib/include/srslte/common/metrics_hub.h
@@ -24,8 +24,8 @@ template<typename metrics_t>
 class metrics_listener
 {
 public: 
-  virtual void set_metrics(metrics_t &m, float report_period_secs=1.0) = 0;
-}; 
+  virtual void set_metrics(metrics_t &m) = 0;
+};
 
 template<typename metrics_t>
 class metrics_hub : public periodic_thread
@@ -57,7 +57,7 @@ private:
       bzero(&metric, sizeof(metrics_t));
       m->get_metrics(metric);
       for (uint32_t i=0;i<listeners.size();i++) {
-        listeners[i]->set_metrics(metric, report_period_secs);
+        listeners[i]->set_metrics(metric);
       }
     }
   }
diff --git a/lib/include/srslte/common/pcap.h b/lib/include/srslte/common/pcap.h
index d9937c060..db1dc17d0 100644
--- a/lib/include/srslte/common/pcap.h
+++ b/lib/include/srslte/common/pcap.h
@@ -80,8 +80,9 @@ typedef struct pcaprec_hdr_s {
 #define MAC_LTE_UEID_TAG            0x03
 /* 2 bytes, network order */
 
-#define MAC_LTE_SUBFRAME_TAG        0x04
+#define MAC_LTE_FRAME_SUBFRAME_TAG  0x04
 /* 2 bytes, network order */
+/* SFN is stored in 12 MSB and SF in 4 LSB */
 
 #define MAC_LTE_PREDFINED_DATA_TAG  0x05
 /* 1 byte */
@@ -150,7 +151,7 @@ inline int MAC_LTE_PCAP_WritePDU(FILE *fd, MAC_Context_Info_t *context,
     pcaprec_hdr_t packet_header;
     char context_header[256];
     int offset = 0;
-    unsigned short tmp16;
+    uint16_t tmp16;
 
     /* Can't write if file wasn't successfully opened */
     if (fd == NULL) {
@@ -176,9 +177,11 @@ inline int MAC_LTE_PCAP_WritePDU(FILE *fd, MAC_Context_Info_t *context,
     memcpy(context_header+offset, &tmp16, 2);
     offset += 2;
 
-    /* Subframe number */
-    context_header[offset++] = MAC_LTE_SUBFRAME_TAG;
-    tmp16 = htons(context->subFrameNumber);
+    /* Subframe Number and System Frame Number */
+    /* SFN is stored in 12 MSB and SF in 4 LSB */
+    context_header[offset++] = MAC_LTE_FRAME_SUBFRAME_TAG;
+    tmp16 = (context->sysFrameNumber << 4) | context->subFrameNumber;
+    tmp16 = htons(tmp16);
     memcpy(context_header+offset, &tmp16, 2);
     offset += 2;
 
@@ -215,4 +218,4 @@ inline void MAC_LTE_PCAP_Close(FILE *fd)
     fclose(fd);
 }
 
-#endif /* UEPCAP_H */
\ No newline at end of file
+#endif /* UEPCAP_H */
diff --git a/lib/include/srslte/phy/resampling/resample_arb.h b/lib/include/srslte/phy/resampling/resample_arb.h
index 98d004b0b..4ebb8dc08 100644
--- a/lib/include/srslte/phy/resampling/resample_arb.h
+++ b/lib/include/srslte/phy/resampling/resample_arb.h
@@ -38,10 +38,13 @@
 #define RESAMPLE_ARB_
 
 #include <stdint.h>
+#include <stdbool.h>
 #include <complex.h>
 
 #include "srslte/config.h"
 
+
+#define SRSLTE_RESAMPLE_ARB_N_35 35 
 #define SRSLTE_RESAMPLE_ARB_N    32  // Polyphase filter rows
 #define SRSLTE_RESAMPLE_ARB_M    8   // Polyphase filter columns
 
@@ -49,11 +52,13 @@ typedef struct SRSLTE_API {
   float rate;                // Resample rate
   float step;                // Step increment through filter
   float acc;                 // Index into filter
+  bool interpolate;
   cf_t reg[SRSLTE_RESAMPLE_ARB_M];  // Our window of samples
+   
 } srslte_resample_arb_t;
 
 SRSLTE_API void srslte_resample_arb_init(srslte_resample_arb_t *q, 
-                                         float rate);
+                                         float rate, bool interpolate);
 
 SRSLTE_API int srslte_resample_arb_compute(srslte_resample_arb_t *q, 
                                            cf_t *input, 
diff --git a/lib/include/srslte/upper/rlc_am.h b/lib/include/srslte/upper/rlc_am.h
index afbd18544..cee0d5959 100644
--- a/lib/include/srslte/upper/rlc_am.h
+++ b/lib/include/srslte/upper/rlc_am.h
@@ -163,6 +163,8 @@ private:
 
   static const int reordering_timeout_id = 1;
 
+  static const int poll_periodicity = 8; // After how many data PDUs a status PDU shall be requested
+
   // Timer checks
   bool status_prohibited();
   bool poll_retx();
diff --git a/lib/src/common/pdu.cc b/lib/src/common/pdu.cc
index 57bc07043..b8d17d984 100644
--- a/lib/src/common/pdu.cc
+++ b/lib/src/common/pdu.cc
@@ -823,7 +823,7 @@ void rar_subh::write_subheader(uint8_t** ptr, bool is_last)
 // Section 6.2.3
 void rar_subh::write_payload(uint8_t** ptr)
 {
-  *(*ptr + 0) = (uint8_t)  (ta&0x7f0)>>4;
+  *(*ptr + 0) = (uint8_t)  ((ta&0x7f0)>>4);
   *(*ptr + 1) = (uint8_t)  ((ta&0xf)  <<4) | (grant[0]<<3) | (grant[1]<<2) | (grant[2]<<1) | grant[3];
   uint8_t *x = &grant[4];
   *(*ptr + 2) = (uint8_t) srslte_bit_pack(&x, 8);
diff --git a/lib/src/phy/enb/enb_dl.c b/lib/src/phy/enb/enb_dl.c
index 5bb8c476d..1e9044202 100644
--- a/lib/src/phy/enb/enb_dl.c
+++ b/lib/src/phy/enb/enb_dl.c
@@ -70,10 +70,6 @@ int srslte_enb_dl_init(srslte_enb_dl_t *q, cf_t *out_buffer[SRSLTE_MAX_PORTS], u
       }
     }
 
-    for (int i = 0; i < SRSLTE_MAX_PORTS; i++) {
-      srslte_ofdm_set_normalize(&q->ifft[i], true);
-    }
-
     if (srslte_pbch_init(&q->pbch)) {
       fprintf(stderr, "Error creating PBCH object\n");
       goto clean_exit;
@@ -158,7 +154,7 @@ int srslte_enb_dl_set_cell(srslte_enb_dl_t *q, srslte_cell_t cell)
         fprintf(stderr, "Error resizing REGs\n");
         return SRSLTE_ERROR;
       }
-      for (int i = 0; i < SRSLTE_MAX_PORTS; i++) {
+      for (int i = 0; i < q->cell.nof_ports; i++) {
         if (srslte_ofdm_tx_set_prb(&q->ifft[i], q->cell.cp, q->cell.nof_prb)) {
           fprintf(stderr, "Error re-planning iFFT (%d)\n", i);
           return SRSLTE_ERROR;
@@ -279,7 +275,7 @@ void srslte_enb_dl_put_base(srslte_enb_dl_t *q, uint32_t tti)
 void srslte_enb_dl_gen_signal(srslte_enb_dl_t *q)
 {
   // TODO: PAPR control
-  float norm_factor = (float) sqrt(q->cell.nof_prb)/15;
+  float norm_factor = (float) sqrt(q->cell.nof_prb)/15/sqrt(q->ifft[0].symbol_sz);
 
   for (int i = 0; i < q->cell.nof_ports; i++) {
     srslte_ofdm_tx_sf(&q->ifft[i]);
diff --git a/lib/src/phy/mimo/precoding.c b/lib/src/phy/mimo/precoding.c
index a21219a91..5d96bed27 100644
--- a/lib/src/phy/mimo/precoding.c
+++ b/lib/src/phy/mimo/precoding.c
@@ -1454,7 +1454,7 @@ int srslte_predecoding_type_multi(cf_t *y[SRSLTE_MAX_PORTS], cf_t *h[SRSLTE_MAX_
       return srslte_predecoding_single_multi(y, h[0], x[0], nof_rxant, nof_symbols, noise_estimate);              
     } else {
       fprintf(stderr,
-          "Number of ports and layers must be 1 for transmission on single antenna ports\n");
+          "Number of ports and layers must be 1 for transmission on single antenna ports (%d, %d)\n", nof_ports, nof_layers);
       return -1;
     }
     break;
diff --git a/lib/src/phy/phch/dci.c b/lib/src/phy/phch/dci.c
index 471429145..3ce4cd6ae 100644
--- a/lib/src/phy/phch/dci.c
+++ b/lib/src/phy/phch/dci.c
@@ -32,6 +32,7 @@
 #include <stdbool.h>
 #include <assert.h>
 #include <math.h>
+#include <srslte/phy/phch/ra.h>
 
 #include "srslte/phy/phch/dci.h"
 #include "srslte/phy/common/phy_common.h"
@@ -1159,7 +1160,32 @@ int dci_format2AB_unpack(srslte_dci_msg_t *msg, srslte_ra_dl_dci_t *data, uint32
   } else if (msg->format == SRSLTE_DCI_FORMAT2A) {
     data->pinfo = srslte_bit_pack(&y, precoding_bits_f2a(nof_ports));
   }
-  
+
+  // Table 5.3.3.1.5-1
+  if (SRSLTE_RA_DL_GRANT_NOF_TB(data) == 2) {
+    if (data->tb_cw_swap) {
+      uint32_t tmp   = data->rv_idx;
+      data->rv_idx   = data->rv_idx_1;
+      data->rv_idx_1 = tmp;
+
+      tmp             = data->mcs_idx;
+      data->mcs_idx   = data->mcs_idx_1;
+      data->mcs_idx_1 = tmp;
+
+      bool tmp_ndi    = data->ndi;
+      data->ndi       = data->ndi_1;
+      data->ndi_1     = tmp_ndi;
+    }
+  }
+
+  // Table 5.3.3.1.5-2
+  if (!data->tb_en[0]) {
+    data->rv_idx  = data->rv_idx_1;
+    data->mcs_idx = data->mcs_idx_1;
+    data->ndi     = data->ndi_1;
+
+    data->tb_en[1] = false;
+  }
   
   return SRSLTE_SUCCESS;
 }
diff --git a/lib/src/phy/phch/ra.c b/lib/src/phy/phch/ra.c
index e37266858..41f7d72fd 100644
--- a/lib/src/phy/phch/ra.c
+++ b/lib/src/phy/phch/ra.c
@@ -546,6 +546,7 @@ static int dl_dci_to_grant_mcs(srslte_ra_dl_dci_t *dci, srslte_ra_dl_grant_t *gr
     }
   }
   grant->pinfo = dci->pinfo;
+  grant->tb_cw_swap = dci->tb_cw_swap;
 
   if (grant->mcs[0].tbs < 0 || grant->mcs[1].tbs < 0) {
     return SRSLTE_ERROR; 
diff --git a/lib/src/phy/phch/sch.c b/lib/src/phy/phch/sch.c
index e76fa6aef..930364725 100644
--- a/lib/src/phy/phch/sch.c
+++ b/lib/src/phy/phch/sch.c
@@ -458,12 +458,12 @@ static int decode_tb(srslte_sch_t *q,
     
     if (cb_segm->F) {
       fprintf(stderr, "Error filler bits are not supported. Use standard TBS\n");
-      return SRSLTE_ERROR;       
+      return SRSLTE_ERROR_INVALID_INPUTS;
     }
 
     if (cb_segm->C > softbuffer->max_cb) {
       fprintf(stderr, "Error number of CB (%d) exceeds soft buffer size (%d CBs)\n", cb_segm->C, softbuffer->max_cb);
-      return SRSLTE_ERROR;
+      return SRSLTE_ERROR_INVALID_INPUTS;
     }
         
     bool crc_ok = true; 
@@ -517,15 +517,15 @@ int srslte_dlsch_decode(srslte_sch_t *q, srslte_pdsch_cfg_t *cfg, srslte_softbuf
 
 
 int srslte_dlsch_decode2(srslte_sch_t *q, srslte_pdsch_cfg_t *cfg, srslte_softbuffer_rx_t *softbuffer,
-                         int16_t *e_bits, uint8_t *data, int codeword_idx) {
+                         int16_t *e_bits, uint8_t *data, int tb_idx) {
   uint32_t Nl = 1;
 
   if (cfg->nof_layers != SRSLTE_RA_DL_GRANT_NOF_TB(&cfg->grant)) {
     Nl = 2;
   }
 
-  return decode_tb(q, softbuffer, &cfg->cb_segm[codeword_idx],
-                   cfg->grant.Qm[codeword_idx] * Nl, cfg->rv[codeword_idx], cfg->nbits[codeword_idx].nof_bits,
+  return decode_tb(q, softbuffer, &cfg->cb_segm[tb_idx],
+                   cfg->grant.Qm[tb_idx] * Nl, cfg->rv[tb_idx], cfg->nbits[tb_idx].nof_bits,
                    e_bits, data);
 }
 
@@ -546,15 +546,15 @@ int srslte_dlsch_encode(srslte_sch_t *q, srslte_pdsch_cfg_t *cfg, srslte_softbuf
 }
 
 int srslte_dlsch_encode2(srslte_sch_t *q, srslte_pdsch_cfg_t *cfg, srslte_softbuffer_tx_t *softbuffer,
-                              uint8_t *data, uint8_t *e_bits, int codeword_idx) {
+                              uint8_t *data, uint8_t *e_bits, int tb_idx) {
   uint32_t Nl = 1;
 
   if (cfg->nof_layers != SRSLTE_RA_DL_GRANT_NOF_TB(&cfg->grant)) {
     Nl = 2;
   }
 
-  return encode_tb(q, softbuffer, &cfg->cb_segm[codeword_idx], cfg->grant.Qm[codeword_idx]*Nl, cfg->rv[codeword_idx],
-                   cfg->nbits[codeword_idx].nof_bits, data, e_bits);
+  return encode_tb(q, softbuffer, &cfg->cb_segm[tb_idx], cfg->grant.Qm[tb_idx]*Nl, cfg->rv[tb_idx],
+                   cfg->nbits[tb_idx].nof_bits, data, e_bits);
 }
 
 /* Compute the interleaving function on-the-fly, because it depends on number of RI bits
diff --git a/lib/src/phy/phch/test/CMakeLists.txt b/lib/src/phy/phch/test/CMakeLists.txt
index e63243d18..33f236061 100644
--- a/lib/src/phy/phch/test/CMakeLists.txt
+++ b/lib/src/phy/phch/test/CMakeLists.txt
@@ -119,6 +119,14 @@ add_test(pdsch_test_multiplex1cw_p0_50  pdsch_test -x multiplex -a 2 -p 0 -n 50)
 add_test(pdsch_test_multiplex1cw_p0_75  pdsch_test -x multiplex -a 2 -p 0 -n 75)
 add_test(pdsch_test_multiplex1cw_p0_100 pdsch_test -x multiplex -a 2 -p 0 -n 100)
 
+# PDSCH test for Spatial Multiplex transmision mode with PMI = 0 (1 codeword, swapped)
+add_test(pdsch_test_multiplex1cw_p0_6_swap   pdsch_test -x multiplex -a 2 -p 0 -m 0 -r 1 -M 28 -t 0 -n 6 -F 1)
+add_test(pdsch_test_multiplex1cw_p0_15_swap  pdsch_test -x multiplex -a 2 -p 0 -m 0 -r 1 -M 28 -t 0 -n 15)
+add_test(pdsch_test_multiplex1cw_p0_25_swap  pdsch_test -x multiplex -a 2 -p 0 -m 0 -r 1 -M 28 -t 0 -n 25)
+add_test(pdsch_test_multiplex1cw_p0_50_swap  pdsch_test -x multiplex -a 2 -p 0 -m 0 -r 1 -M 28 -t 0 -n 50)
+add_test(pdsch_test_multiplex1cw_p0_75_swap  pdsch_test -x multiplex -a 2 -p 0 -m 0 -r 1 -M 28 -t 0 -n 75)
+add_test(pdsch_test_multiplex1cw_p0_100_swap pdsch_test -x multiplex -a 2 -p 0 -m 0 -r 1 -M 28 -t 0 -n 100)
+
 # PDSCH test for Spatial Multiplex transmision mode with PMI = 1 (1 codeword)
 add_test(pdsch_test_multiplex1cw_p1_6   pdsch_test -x multiplex -a 2 -p 1 -n 6)
 add_test(pdsch_test_multiplex1cw_p1_12  pdsch_test -x multiplex -a 2 -p 1 -n 12)
@@ -151,6 +159,14 @@ add_test(pdsch_test_multiplex2cw_p0_50  pdsch_test -x multiplex -a 2 -t 0 -p 0 -
 add_test(pdsch_test_multiplex2cw_p0_75  pdsch_test -x multiplex -a 2 -t 0 -p 0 -n 75)
 add_test(pdsch_test_multiplex2cw_p0_100 pdsch_test -x multiplex -a 2 -t 0 -p 0 -n 100)
 
+# PDSCH test for Spatial Multiplex transmision mode with PMI = 0 (2 codeword, swapped)
+add_test(pdsch_test_multiplex2cw_p0_6_swap   pdsch_test -x multiplex -a 2 -t 0 -p 0 -M 28 -n 6 -w -F 1)
+add_test(pdsch_test_multiplex2cw_p0_12_swap  pdsch_test -x multiplex -a 2 -t 0 -p 0 -m 28 -n 12 -w)
+add_test(pdsch_test_multiplex2cw_p0_25_swap  pdsch_test -x multiplex -a 2 -t 0 -p 0 -M 28 -n 25 -w)
+add_test(pdsch_test_multiplex2cw_p0_50_swap  pdsch_test -x multiplex -a 2 -t 0 -p 0 -m 28 -n 50 -w)
+add_test(pdsch_test_multiplex2cw_p0_75_swap  pdsch_test -x multiplex -a 2 -t 0 -p 0 -M 28 -n 75 -w)
+add_test(pdsch_test_multiplex2cw_p0_100_swap pdsch_test -x multiplex -a 2 -t 0 -p 0 -m 28 -n 100 -w)
+
 # PDSCH test for Spatial Multiplex transmision mode with PMI = 1 (2 codeword)
 add_test(pdsch_test_multiplex2cw_p1_6   pdsch_test -x multiplex -a 2 -t 0 -p 1 -n 6)
 add_test(pdsch_test_multiplex2cw_p1_12  pdsch_test -x multiplex -a 2 -t 0 -p 1 -n 12)
diff --git a/lib/src/phy/phch/test/pdsch_test.c b/lib/src/phy/phch/test/pdsch_test.c
index 0c98079b9..b97e8b299 100644
--- a/lib/src/phy/phch/test/pdsch_test.c
+++ b/lib/src/phy/phch/test/pdsch_test.c
@@ -59,6 +59,7 @@ uint32_t subframe = 1;
 int rv_idx[SRSLTE_MAX_CODEWORDS] = {0, 1};
 uint16_t rnti = 1234;
 uint32_t nof_rx_antennas = 1;
+bool tb_cw_swap = false;
 uint32_t pmi = 0;
 char *input_file = NULL; 
 
@@ -77,12 +78,13 @@ void usage(char *prog) {
   printf("\t-n cell.nof_prb [Default %d]\n", cell.nof_prb);
   printf("\t-a nof_rx_antennas [Default %d]\n", nof_rx_antennas);
   printf("\t-p pmi (multiplex only)  [Default %d]\n", pmi);
+  printf("\t-w Swap Transport Blocks\n");
   printf("\t-v [set srslte_verbose to debug, default none]\n");
 }
 
 void parse_args(int argc, char **argv) {
   int opt;
-  while ((opt = getopt(argc, argv, "fmMcsrtRFpnavx")) != -1) {
+  while ((opt = getopt(argc, argv, "fmMcsrtRFpnawvx")) != -1) {
     switch(opt) {
     case 'f':
       input_file = argv[optind];
@@ -123,6 +125,9 @@ void parse_args(int argc, char **argv) {
     case 'a':
       nof_rx_antennas = (uint32_t) atoi(argv[optind]);
       break;
+    case 'w':
+      tb_cw_swap = true;
+      break;
     case 'v':
       srslte_verbose++;
       break;
@@ -207,6 +212,11 @@ int main(int argc, char **argv) {
     dci.tb_en[1] = true;
   }
 
+  /* Enable swap */
+  if (SRSLTE_RA_DL_GRANT_NOF_TB(&dci) == SRSLTE_MAX_TB && tb_cw_swap) {
+    dci.tb_cw_swap = tb_cw_swap;
+  }
+
   /* Generate grant from DCI */
   if (srslte_ra_dl_dci_to_grant(&dci, cell.nof_prb, rnti, &grant)) {
     fprintf(stderr, "Error computing resource allocation\n");
@@ -255,7 +265,7 @@ int main(int argc, char **argv) {
   }
 
 
-  for (int i = 0; i < SRSLTE_MAX_CODEWORDS; i++) {
+  for (i = 0; i < SRSLTE_MAX_TB; i++) {
     if (grant.tb_en[i]) {
       data_tx[i] = srslte_vec_malloc(sizeof(uint8_t) * grant.mcs[i].tbs);
       if (!data_tx[i]) {
@@ -271,6 +281,9 @@ int main(int argc, char **argv) {
       }
       bzero(data_rx[i], sizeof(uint8_t) * grant.mcs[i].tbs);
 
+    } else {
+      data_tx[i] = NULL;
+      data_rx[i] = NULL;
     }
   }
 
diff --git a/lib/src/phy/resampling/resample_arb.c b/lib/src/phy/resampling/resample_arb.c
index 7bdb4deec..441e8c0dc 100644
--- a/lib/src/phy/resampling/resample_arb.c
+++ b/lib/src/phy/resampling/resample_arb.c
@@ -28,64 +28,104 @@
 #include <string.h>
 #include "srslte/phy/resampling/resample_arb.h"
 #include "srslte/phy/utils/debug.h"
-
-float srslte_resample_arb_polyfilt[SRSLTE_RESAMPLE_ARB_N][SRSLTE_RESAMPLE_ARB_M] =
-{{0,0.002400347599485495,-0.006922416132556366,0.0179104136912176,0.99453086623794,-0.008521087756729117,0.0008598969867484128,0.0004992625165376107},
-{-0.001903604727400391,0.004479591950094871,-0.01525319260830623,0.04647449496926549,0.9910477342662829,-0.03275243420114668,0.008048813755373533,-0.001216900416836847},
-{-0.001750442300940216,0.006728826416921727,-0.02407540632178267,0.07708575473589654,0.9841056525667189,-0.05473739187922162,0.01460652754040275,-0.002745266140572769},
-{-0.001807302702047332,0.009130494591071001,-0.03332524241797466,0.1096377743266821,0.9737536341125557,-0.07444712408657775,0.0205085154280773,-0.004077596041064956},
-{-0.002005048395707184,0.01166717081713966,-0.04292591596219218,0.1440068251440274,0.9600641782991848,-0.09187282739868929,0.02573649090563353,-0.005218582609802016},
-{-0.002303606593778858,0.01431549924598744,-0.05279365431190471,0.1800496557331084,0.9431333663677619,-0.107022659158021,0.03028295984887362,-0.006178495199082676},
-{-0.002673824939871474,0.01705308556587308,-0.06283262272105428,0.2176066284621515,0.9230793648715676,-0.1199244901666642,0.03414559686566755,-0.006951034565279722},
-{-0.003099294850834212,0.01985022208215894,-0.07294100481214681,0.2564996326404178,0.9000412628278351,-0.1306207218667012,0.03733448898243594,-0.007554128492547957},
-{-0.003564415127592977,0.02267702927238637,-0.08300660359189582,0.2965368855416621,0.874178327911914,-0.1391710078036285,0.03986356581130199,-0.007992692892036229},
-{-0.004060222849803048,0.02549633298710617,-0.09291211362877161,0.3375102453232687,0.8456688916962831,-0.1456479420005528,0.04175429631970297,-0.00827816851803391},
-{-0.004574770330592958,0.02827133859849648,-0.1025308044303699,0.379200979038518,0.8147072909915275,-0.1501397816831265,0.04303284689167361,-0.008423951215857236},
-{-0.005100453570725489,0.0309593063669097,-0.1117325201826136,0.4213772298764557,0.7815036335229155,-0.1527444636485677,0.0437349357738538,-0.008441129184587313},
-{-0.005625340687997995,0.03351877124912608,-0.1203802123857154,0.463798444519773,0.7462810500374923,-0.1535722712206338,0.04389261707032224,-0.008345136869130621},
-{-0.006140888413286479,0.03590276234084221,-0.1283350405000867,0.5062161107254219,0.7092744343987509,-0.152741400055636,0.04355110899623683,-0.008147838953503964},
-{-0.006634012711933725,0.03806645580467819,-0.1354549138065051,0.5483763739419955,0.6707272107491931,-0.1503798528838644,0.0427502160096194,-0.007865132034489236},
-{-0.007094909626785393,0.03996043743797257,-0.1415969539549883,0.5900207719663111,0.6308907308946271,-0.1466186670140106,0.04153829696698895,-0.007508971112586246},
-{-0.007508971112586246,0.04153829696698895,-0.1466186670140106,0.6308907308946271,0.5900207719663111,-0.1415969539549883,0.03996043743797257,-0.007094909626785393},
-{-0.007865132034489236,0.0427502160096194,-0.1503798528838644,0.6707272107491931,0.5483763739419955,-0.1354549138065051,0.03806645580467819,-0.006634012711933725},
-{-0.008147838953503964,0.04355110899623683,-0.152741400055636,0.7092744343987509,0.5062161107254219,-0.1283350405000867,0.03590276234084221,-0.006140888413286479},
-{-0.008345136869130621,0.04389261707032224,-0.1535722712206338,0.7462810500374923,0.463798444519773,-0.1203802123857154,0.03351877124912608,-0.005625340687997995},
-{-0.008441129184587313,0.0437349357738538,-0.1527444636485677,0.7815036335229155,0.4213772298764557,-0.1117325201826136,0.0309593063669097,-0.005100453570725489},
-{-0.008423951215857236,0.04303284689167361,-0.1501397816831265,0.8147072909915275,0.379200979038518,-0.1025308044303699,0.02827133859849648,-0.004574770330592958},
-{-0.00827816851803391,0.04175429631970297,-0.1456479420005528,0.8456688916962831,0.3375102453232687,-0.09291211362877161,0.02549633298710617,-0.004060222849803048},
-{-0.007992692892036229,0.03986356581130199,-0.1391710078036285,0.874178327911914,0.2965368855416621,-0.08300660359189582,0.02267702927238637,-0.003564415127592977},
-{-0.007554128492547957,0.03733448898243594,-0.1306207218667012,0.9000412628278351,0.2564996326404178,-0.07294100481214681,0.01985022208215894,-0.003099294850834212},
-{-0.006951034565279722,0.03414559686566755,-0.1199244901666642,0.9230793648715676,0.2176066284621515,-0.06283262272105428,0.01705308556587308,-0.002673824939871474},
-{-0.006178495199082676,0.03028295984887362,-0.107022659158021,0.9431333663677619,0.1800496557331084,-0.05279365431190471,0.01431549924598744,-0.002303606593778858},
-{-0.005218582609802016,0.02573649090563353,-0.09187282739868929,0.9600641782991848,0.1440068251440274,-0.04292591596219218,0.01166717081713966,-0.002005048395707184},
-{-0.004077596041064956,0.0205085154280773,-0.07444712408657775,0.9737536341125557,0.1096377743266821,-0.03332524241797466,0.009130494591071001,-0.001807302702047332},
-{-0.002745266140572769,0.01460652754040275,-0.05473739187922162,0.9841056525667189,0.07708575473589654,-0.02407540632178267,0.006728826416921727,-0.001750442300940216},
-{-0.001216900416836847,0.008048813755373533,-0.03275243420114668,0.9910477342662829,0.04647449496926549,-0.01525319260830623,0.004479591950094871,-0.001903604727400391},
-{0.0004992625165376107,0.0008598969867484128,-0.008521087756729117,0.99453086623794,0.0179104136912176,-0.006922416132556366,0.002400347599485495,0}};
+#include "srslte/phy/utils/vector.h"
 
 
-// TODO: use lte/utils/vector.h and Volk
-cf_t srslte_resample_arb_dot_prod(cf_t* x, float *y, int len)
-{
-  cf_t res = 0+0*I;
-  for(int i=0;i<len;i++){
-    res += x[i]*y[i];
-  }
-  return res;
+
+float srslte_resample_arb_polyfilt[SRSLTE_RESAMPLE_ARB_N][SRSLTE_RESAMPLE_ARB_M] __attribute__((aligned(256))) =
+{{0.000499262532685, 0.000859897001646, -0.008521087467670, 0.994530856609344, 0.017910413444042, -0.006922415923327, 0.002400347497314, 0.000000000000000 },
+{-0.001216900418513, 0.008048813790083, -0.032752435654402, 0.991047739982605, 0.046474494040012, -0.015253192745149, 0.004479591734707, -0.001903604716063 },
+{-0.002745266072452, 0.014606527984142, -0.054737392812967, 0.984105646610260, 0.077085755765438, -0.024075405672193, 0.006728826556355, -0.001750442315824 },
+{-0.004077596124262, 0.020508514717221, -0.074447125196457, 0.973753631114960, 0.109637774527073, -0.033325243741274, 0.009130494669080, -0.001807302702218 },
+{-0.005218582693487, 0.025736490264535, -0.091872826218605, 0.960064172744751, 0.144006818532944, -0.042925916612148, 0.011667170561850, -0.002005048329011 },
+{-0.006178495008498, 0.030282959342003, -0.107022657990456, 0.943133354187012, 0.180049657821655, -0.052793655544519, 0.014315498992801, -0.002303606597707 },
+{-0.006951034534723, 0.034145597368479, -0.119924493134022, 0.923079371452332, 0.217606633901596, -0.062832623720169, 0.017053086310625, -0.002673825016245 },
+{-0.007554128300399, 0.037334490567446, -0.130620718002319, 0.900041282176971, 0.256499618291855, -0.072941005229950, 0.019850222393870, -0.003099294845015 },
+{-0.007992693223059, 0.039863564074039, -0.139171004295349, 0.874178349971771, 0.296536892652512, -0.083006605505943, 0.022677028551698, -0.003564415033907 },
+{-0.008278168737888, 0.041754297912121, -0.145647943019867, 0.845668911933899, 0.337510257959366, -0.092912115156651, 0.025496333837509, -0.004060222767293 },
+{-0.008423951454461, 0.043032847344875, -0.150139778852463, 0.814707279205322, 0.379200965166092, -0.102530807256699, 0.028271337971091, -0.004574770107865 },
+{-0.008441128768027, 0.043734934180975, -0.152744457125664, 0.781503617763519, 0.421377241611481, -0.111732520163059, 0.030959306284785, -0.005100453738123 },
+{-0.008345136418939, 0.043892618268728, -0.153572276234627, 0.746281027793884, 0.463798433542252, -0.120380215346813, 0.033518772572279, -0.005625340621918 },
+{-0.008147838525474, 0.043551109731197, -0.152741402387619, 0.709274411201477, 0.506216108798981, -0.128335043787956, 0.035902760922909, -0.006140888202935 },
+{-0.007865131832659, 0.042750217020512, -0.150379851460457, 0.670727193355560, 0.548376381397247, -0.135454908013344, 0.038066454231739, -0.006634012795985 },
+{-0.007508971262723, 0.041538298130035, -0.146618664264679, 0.630890727043152, 0.590020775794983, -0.141596958041191, 0.039960436522961, -0.007094909437001 },
+{-0.007094909437001, 0.039960436522961, -0.141596958041191, 0.590020775794983, 0.630890727043152, -0.146618664264679, 0.041538298130035, -0.007508971262723 },
+{-0.006634012795985, 0.038066454231739, -0.135454908013344, 0.548376381397247, 0.670727193355560, -0.150379851460457, 0.042750217020512, -0.007865131832659 },
+{-0.006140888202935, 0.035902760922909, -0.128335043787956, 0.506216108798981, 0.709274411201477, -0.152741402387619, 0.043551109731197, -0.008147838525474 },
+{-0.005625340621918, 0.033518772572279, -0.120380215346813, 0.463798433542252, 0.746281027793884, -0.153572276234627, 0.043892618268728, -0.008345136418939 },
+{-0.005100453738123, 0.030959306284785, -0.111732520163059, 0.421377241611481, 0.781503617763519, -0.152744457125664, 0.043734934180975, -0.008441128768027 },
+{-0.004574770107865, 0.028271337971091, -0.102530807256699, 0.379200965166092, 0.814707279205322, -0.150139778852463, 0.043032847344875, -0.008423951454461 },
+{-0.004060222767293, 0.025496333837509, -0.092912115156651, 0.337510257959366, 0.845668911933899, -0.145647943019867, 0.041754297912121, -0.008278168737888 },
+{-0.003564415033907, 0.022677028551698, -0.083006605505943, 0.296536892652512, 0.874178349971771, -0.139171004295349, 0.039863564074039, -0.007992693223059 },
+{-0.003099294845015, 0.019850222393870, -0.072941005229950, 0.256499618291855, 0.900041282176971, -0.130620718002319, 0.037334490567446, -0.007554128300399 },
+{-0.002673825016245, 0.017053086310625, -0.062832623720169, 0.217606633901596, 0.923079371452332, -0.119924493134022, 0.034145597368479, -0.006951034534723 },
+{-0.002303606597707, 0.014315498992801, -0.052793655544519, 0.180049657821655, 0.943133354187012, -0.107022657990456, 0.030282959342003, -0.006178495008498 },
+{-0.002005048329011, 0.011667170561850, -0.042925916612148, 0.144006818532944, 0.960064172744751, -0.091872826218605, 0.025736490264535, -0.005218582693487 },
+{-0.001807302702218, 0.009130494669080, -0.033325243741274, 0.109637774527073, 0.973753631114960, -0.074447125196457, 0.020508514717221, -0.004077596124262 },
+{-0.001750442315824, 0.006728826556355, -0.024075405672193, 0.077085755765438, 0.984105646610260, -0.054737392812967, 0.014606527984142, -0.002745266072452 },
+{-0.001903604716063, 0.004479591734707, -0.015253192745149, 0.046474494040012, 0.991047739982605, -0.032752435654402, 0.008048813790083, -0.001216900418513 },
+{0.000000000000000, 0.002400347497314, -0.006922415923327, 0.017910413444042, 0.994530856609344, -0.008521087467670, 0.000859897001646, 0.000499262532685 }};
+
+
+
+
+ float srslte_resample_arb_polyfilt_35[SRSLTE_RESAMPLE_ARB_N_35][SRSLTE_RESAMPLE_ARB_M] __attribute__((aligned(256))) =
+ {{0.000002955485215,  0.000657994314549,  -0.033395686652146,   0.188481383863832,  0.704261032406613,   0.171322660416961,  -0.032053439082436,   0.000722236729272},
+{0.000003596427925,   0.000568080243211,  -0.034615802155152,   0.206204344739138,   0.702921418438421,   0.154765509342932,  -0.030612377229395,   0.000764085430796},
+{0.000005121937258,  0.000449039680445,  -0.035689076986744,   0.224449928603191,  0.700248311996698,   0.138842912406449,  -0.029094366813032,   0.000786624971348},
+{0.000007718609465,   0.000297261794949,  -0.036589488825594,   0.243172347408947,   0.696253915778072,   0.123583456372980,  -0.027519775698206,   0.000792734165095},
+{0.000011575047600,   0.000109005258838,  -0.037289794881918,   0.262321777662990,   0.690956433427623,   0.109011322456059,  -0.025907443019580,   0.000785077624893},
+{0.000016882508098,  -0.000119571475197,  -0.037761641428480,   0.281844530653151,   0.684379949985066,   0.095146306185631,  -0.024274662580170,   0.000766100891437},
+{0.000023834849457,  -0.000392374989948,  -0.037975689603840,   0.301683254255907,   0.676554274013489,   0.082003866618022,  -0.022637179782782,   0.000738028846774},
+{0.000032627688404,  -0.000713336731203,  -0.037901757319987,   0.321777165554580,   0.667514742706306,   0.069595203590358,  -0.021009201268519,   0.000702867092175},
+{0.000043456678971,  -0.001086367817537,  -0.037508976943232,   0.342062313218325,   0.657301991568526,   0.057927361522269,  -0.019403416364306,   0.000662405963124},
+{0.000056514841640,  -0.001515308860252,  -0.036765968249551,   0.362471868314761,   0.645961690553484,   0.047003358086968,  -0.017831029382043,   0.000618226851332},
+{0.000071988882997,  -0.002003874882511,  -0.035641025985104,   0.382936441958648,   0.633544248803284,   0.036822335913581,  -0.016301801765629,   0.000571710504985},
+{0.000090054461223,  -0.002555595491550,  -0.034102321191048,   0.403384427938144,   0.620104490387788,   0.027379735343965,  -0.014824103048525,   0.000524046983526},
+{0.000110870369116,  -0.003173750525766,  -0.032118115280935,   0.423742368211529,   0.605701303660781,   0.018667486151043,  -0.013404969563367,   0.000476246951838},
+{0.000134571624077,  -0.003861301468941,  -0.029656985690720,   0.443935338933583,   0.590397267050922,   0.010674216032341,  -0.012050169836157,   0.000429154010367},
+{0.000161261473605,  -0.004620818996097,  -0.026688061757620,   0.463887354454611,   0.574258254277514,   0.003385473622292,  -0.010764275599988,   0.000383457772129},
+{0.000191002345063,  -0.005454407088752,  -0.023181269326746,   0.483521786538780,   0.557353022125450,  -0.003216036280022,  -0.009550737376604,   0.000339707414324},
+{0.000223805789820,  -0.006363624230896,  -0.019107582435436,   0.502761795874207,   0.539752784028766,  -0.009150207594916,  -0.008411963597610,   0.000298325451050},
+{0.000259621494011,  -0.007349402269867,  -0.014439280286493,   0.521530772797177,   0.521530772797177,  -0.014439280286493,  -0.007349402269867,   0.000259621494011},
+{0.000298325451050,  -0.008411963597610,  -0.009150207594916,   0.539752784028765,   0.502761795874207,  -0.019107582435436,  -0.006363624230896,   0.000223805789820},
+{0.000339707414324,  -0.009550737376604,  -0.003216036280022,   0.557353022125450,   0.483521786538780,  -0.023181269326746,  -0.005454407088752,   0.000191002345063},
+{0.000383457772129,  -0.010764275599988,   0.003385473622292,   0.574258254277514,   0.463887354454611,  -0.026688061757620,  -0.004620818996097,   0.000161261473605},
+{0.000429154010367,  -0.012050169836157,   0.010674216032341,   0.590397267050922,   0.443935338933583,  -0.029656985690720,  -0.003861301468941,   0.000134571624077},
+{0.000476246951838,  -0.013404969563367,   0.018667486151043,   0.605701303660781,   0.423742368211529,  -0.032118115280935,  -0.003173750525766,   0.000110870369116},
+{0.000524046983526,  -0.014824103048525,   0.027379735343965,   0.620104490387787,   0.403384427938144,  -0.034102321191048,  -0.002555595491550,   0.000090054461223},
+{0.000571710504985,  -0.016301801765629,   0.036822335913581,   0.633544248803283,   0.382936441958648,  -0.035641025985104,  -0.002003874882511,   0.000071988882997},
+{0.000618226851332,  -0.017831029382043,   0.047003358086968,   0.645961690553484,   0.362471868314761,  -0.036765968249551,  -0.001515308860252,   0.000056514841640},
+{0.000662405963124,  -0.019403416364306,   0.057927361522269,   0.657301991568526,   0.342062313218325,  -0.037508976943232,  -0.001086367817537,   0.000043456678971},
+{0.000702867092175,  -0.021009201268519,   0.069595203590358,   0.667514742706306,   0.321777165554580,  -0.037901757319987,  -0.000713336731203,   0.000032627688404},
+{0.000738028846774,  -0.022637179782782,   0.082003866618022,   0.676554274013489,   0.301683254255907,  -0.037975689603840,  -0.000392374989948,   0.000023834849457},
+{0.000766100891437,  -0.024274662580170,   0.095146306185631,   0.684379949985066,   0.281844530653151,  -0.037761641428480,  -0.000119571475197,   0.000016882508098},
+{0.000785077624893,  -0.025907443019580,   0.109011322456059,   0.690956433427623,   0.262321777662990,  -0.037289794881918,   0.000109005258838,   0.000011575047600},
+{0.000792734165095,  -0.027519775698206,   0.123583456372980,   0.696253915778072,   0.243172347408947,  -0.036589488825594,   0.000297261794949,   0.000007718609465},
+{0.000786624971348,  -0.029094366813032,   0.138842912406449,   0.700248311996698,   0.224449928603191,  -0.035689076986744,   0.000449039680445,   0.000005121937258},
+{0.000764085430796,  -0.030612377229395,   0.154765509342932,   0.702921418438421,   0.206204344739138,  -0.034615802155152,   0.000568080243211,   0.000003596427925},
+{0.000722236729272,  -0.032053439082436,   0.171322660416961,   0.704261032406613,   0.188481383863832,  -0.033395686652146,   0.000657994314549 ,  0.000002955485215}};
+
+static inline cf_t srslte_resample_arb_dot_prod(cf_t* x, float *y, int len){
+
+  cf_t res1 = srslte_vec_dot_prod_cfc(x,y,len);
+  return res1;
 }
 
 // Right-shift our window of samples
-void srslte_resample_arb_push(srslte_resample_arb_t *q, cf_t x)
-{
+void srslte_resample_arb_push(srslte_resample_arb_t *q, cf_t x){
+  
   memmove(&q->reg[1], &q->reg[0], (SRSLTE_RESAMPLE_ARB_M-1)*sizeof(cf_t));
   q->reg[0] = x;
 }
 
 // Initialize our struct
-void srslte_resample_arb_init(srslte_resample_arb_t *q, float rate){
+void srslte_resample_arb_init(srslte_resample_arb_t *q, float rate, bool interpolate){
+  
   memset(q->reg, 0, SRSLTE_RESAMPLE_ARB_M*sizeof(cf_t));
   q->acc = 0.0;
   q->rate = rate;
+  q->interpolate = interpolate;
   q->step = (1/rate)*SRSLTE_RESAMPLE_ARB_N;
 }
 
@@ -94,19 +134,48 @@ int srslte_resample_arb_compute(srslte_resample_arb_t *q, cf_t *input, cf_t *out
   int cnt = 0;
   int n_out = 0;
   int idx = 0;
+  cf_t res1,res2;
+  cf_t *filter_input;
+  float frac = 0;
+  memset(q->reg, 0, SRSLTE_RESAMPLE_ARB_M*sizeof(cf_t));
+  
+  while (cnt < n_in) {
+    
+    if(cnt<SRSLTE_RESAMPLE_ARB_M){
+      memcpy(&q->reg[SRSLTE_RESAMPLE_ARB_M - cnt], input, (cnt)*sizeof(cf_t));
+      filter_input = q->reg;
+    } else{
+      filter_input = &input[cnt-SRSLTE_RESAMPLE_ARB_M];
+    }
+    
+    res1 = srslte_resample_arb_dot_prod(filter_input, srslte_resample_arb_polyfilt[idx], SRSLTE_RESAMPLE_ARB_M);
+    if(q->interpolate){
+      res2 = srslte_resample_arb_dot_prod(filter_input, srslte_resample_arb_polyfilt[(idx%SRSLTE_RESAMPLE_ARB_N)+1], SRSLTE_RESAMPLE_ARB_M);
+    }
 
-  while(cnt < n_in)
-  {
-    *output = srslte_resample_arb_dot_prod(q->reg, srslte_resample_arb_polyfilt[idx], SRSLTE_RESAMPLE_ARB_M);
+    if(idx == SRSLTE_RESAMPLE_ARB_N){
+      *output = res1;
+    }else {
+      *output = (q->interpolate)?(res1 + (res2-res1)*frac):res1;
+    }
+    
     output++;
     n_out++;
     q->acc += q->step;
-    idx = (int)roundf(q->acc);
+    idx = (int)(q->acc);
+    
     while(idx >= SRSLTE_RESAMPLE_ARB_N){
       q->acc -= SRSLTE_RESAMPLE_ARB_N;
       idx -= SRSLTE_RESAMPLE_ARB_N;
-      if(cnt < n_in)
-        srslte_resample_arb_push(q, input[cnt++]);
+      if(cnt < n_in){
+        cnt++;
+      }
+    }
+    
+    if(q->interpolate){
+      frac = q->acc - idx;
+      if(frac < 0)
+        frac = frac*(-1);
     }
   }
   return n_out;
diff --git a/lib/src/phy/resampling/test/resample_arb_bench.c b/lib/src/phy/resampling/test/resample_arb_bench.c
index 48879d036..773291913 100644
--- a/lib/src/phy/resampling/test/resample_arb_bench.c
+++ b/lib/src/phy/resampling/test/resample_arb_bench.c
@@ -35,9 +35,9 @@
 #include "srslte/phy/resampling/resample_arb.h"
 
 
-
+#define ITERATIONS 10000
 int main(int argc, char **argv) {
-  int N=10000000;
+  int N=9000;
   float rate = 24.0/25.0;
   cf_t *in = malloc(N*sizeof(cf_t));
   cf_t *out = malloc(N*sizeof(cf_t));
@@ -46,12 +46,15 @@ int main(int argc, char **argv) {
     in[i] = sin(i*2*M_PI/100);
 
   srslte_resample_arb_t r;
-  srslte_resample_arb_init(&r, rate);
+  srslte_resample_arb_init(&r, rate, 0);
 
   clock_t start = clock(), diff;
-  //int n_out = srslte_resample_arb_compute(&r, in, out, N);
+  for(int xx = 0; xx<ITERATIONS;xx++){
+     int n_out = srslte_resample_arb_compute(&r, in, out, N);
+  }
   diff = clock() - start;
 
+  diff = diff/ITERATIONS;
   int msec = diff * 1000 / CLOCKS_PER_SEC;
   float thru = (CLOCKS_PER_SEC/(float)diff)*(N/1e6);
   printf("Time taken %d seconds %d milliseconds\n", msec/1000, msec%1000);
diff --git a/lib/src/phy/resampling/test/resample_arb_test.c b/lib/src/phy/resampling/test/resample_arb_test.c
index cf740da00..1473f9e13 100644
--- a/lib/src/phy/resampling/test/resample_arb_test.c
+++ b/lib/src/phy/resampling/test/resample_arb_test.c
@@ -35,12 +35,14 @@
 #include "srslte/phy/resampling/resample_arb.h"
 
 
-
 int main(int argc, char **argv) {
   int N = 100;        // Number of sinwave samples
   int delay = 5;      // Delay of our resampling filter
   float down = 25.0;  // Downsampling rate
 
+
+  
+  
   for(int up=1;up<down;up++)
   {
     float rate = up/down;
@@ -62,7 +64,7 @@ int main(int argc, char **argv) {
 
     // Resample
     srslte_resample_arb_t r;
-    srslte_resample_arb_init(&r, rate);
+    srslte_resample_arb_init(&r, rate, 0);
     int n_out = srslte_resample_arb_compute(&r, in, out, N);
 
     // Check interp values
@@ -74,12 +76,11 @@ int main(int argc, char **argv) {
       float diff = fabs(creal(in[pre])-creal(in[post]));
       float diff2 = fabs(creal(out[i])-creal(in[round]));
       if(diff2 > diff && pre != post){
-          printf("Interpolation failed at index %f", idx);
+          printf("Interpolation failed at index %f\n", idx);
           exit(-1);
       }
     }
 
-
     free(in);
     free(out);
   }
diff --git a/lib/src/phy/rf/rf_soapy_imp.c b/lib/src/phy/rf/rf_soapy_imp.c
index fef533ffc..90ede26e9 100644
--- a/lib/src/phy/rf/rf_soapy_imp.c
+++ b/lib/src/phy/rf/rf_soapy_imp.c
@@ -38,6 +38,7 @@
 #include <SoapySDR/Formats.h>
 
 typedef struct {
+    char *devname;
     SoapySDRKwargs args;
     SoapySDRDevice *device;
     SoapySDRRange *ranges;
@@ -51,7 +52,6 @@ typedef struct {
 cf_t zero_mem[64*1024];
 
 
-
 int soapy_error(void *h)
 {
   return 0;
@@ -90,7 +90,8 @@ void rf_soapy_register_error_handler(void *notused, srslte_rf_error_handler_t ne
 
 char* rf_soapy_devname(void* h)
 {
-  return "soapy";
+  rf_soapy_handler_t *handler = (rf_soapy_handler_t*) h;
+  return handler->devname; 
 }
 
 
@@ -196,11 +197,15 @@ int rf_soapy_open_multi(char *args, void **h, uint32_t nof_rx_antennas)
     printf("No Soapy devices found.\n");
     return SRSLTE_ERROR;
   }
-  
+  char* devname;
   for (size_t i = 0; i < length; i++) {
     printf("Soapy has Found device #%d: ", (int)i);
     for (size_t j = 0; j < soapy_args[i].size; j++) {
       printf("%s=%s, ", soapy_args[i].keys[j], soapy_args[i].vals[j]);
+      if(!strcmp(soapy_args[i].keys[j],"name") && !strcmp(soapy_args[i].vals[j], "LimeSDR-USB")){
+        devname = DEVNAME_LIME;
+        
+      }
     }
     printf("\n");
   }
@@ -218,7 +223,7 @@ int rf_soapy_open_multi(char *args, void **h, uint32_t nof_rx_antennas)
   handler->device = sdr;
   handler->tx_stream_active = false;
   handler->rx_stream_active = false;
-
+  handler->devname = devname;
   if(SoapySDRDevice_getNumChannels(handler->device,SOAPY_SDR_RX) > 0){     
     printf("setting up RX stream\n");
     if(SoapySDRDevice_setupStream(handler->device, &(handler->rxStream), SOAPY_SDR_RX, SOAPY_SDR_CF32, NULL, 0, NULL) != 0) {
@@ -234,6 +239,14 @@ int rf_soapy_open_multi(char *args, void **h, uint32_t nof_rx_antennas)
       return SRSLTE_ERROR;
     }     
   }
+  size_t sensor_length;
+  char** sensors;
+  sensors = SoapySDRDevice_listSensors(handler->device, &sensor_length);
+  for(int i = 0; i < sensor_length;i++)
+  {
+    printf("available sensors are : \n");
+    puts(sensors[i]);
+  }
 
   return SRSLTE_SUCCESS;
 }
@@ -267,7 +280,7 @@ int rf_soapy_close(void *h)
 void rf_soapy_set_master_clock_rate(void *h, double rate)
 {
   // Allow the soapy to automatically set the appropriate clock rate
-  // TODO: implement this function
+
 }
 
 
@@ -285,12 +298,6 @@ double rf_soapy_set_rx_srate(void *h, double rate)
     printf("setSampleRate Rx fail: %s\n", SoapySDRDevice_lastError());
     return SRSLTE_ERROR;
   }
-
-  if (SoapySDRDevice_setBandwidth(handler->device, SOAPY_SDR_RX, 0, rate) != 0) {
-    printf("setBandwidth Rx failed: %s\n", SoapySDRDevice_lastError());
-    return SRSLTE_ERROR;
-  }
-
   return SoapySDRDevice_getSampleRate(handler->device, SOAPY_SDR_RX,0);
 }
 
@@ -301,12 +308,6 @@ double rf_soapy_set_tx_srate(void *h, double rate)
     printf("setSampleRate Tx fail: %s\n", SoapySDRDevice_lastError());
     return SRSLTE_ERROR;
   }
-
-  if (SoapySDRDevice_setBandwidth(handler->device, SOAPY_SDR_TX, 0, rate) != 0) {
-    printf("setBandwidth Tx failed: %s\n", SoapySDRDevice_lastError());
-    return SRSLTE_ERROR;
-  }
-
   return SoapySDRDevice_getSampleRate(handler->device, SOAPY_SDR_TX,0);
 }
 
diff --git a/lib/src/phy/rf/rf_soapy_imp.h b/lib/src/phy/rf/rf_soapy_imp.h
index 19de4536c..5dd1c6c44 100644
--- a/lib/src/phy/rf/rf_soapy_imp.h
+++ b/lib/src/phy/rf/rf_soapy_imp.h
@@ -28,7 +28,7 @@
 #include <stdint.h>
 #include "srslte/config.h"
 #include "srslte/phy/rf/rf.h"
-
+#define DEVNAME_LIME "lime"
 
 SRSLTE_API int rf_soapy_open(char *args,
                              void **handler);
diff --git a/lib/src/radio/radio.cc b/lib/src/radio/radio.cc
index cfa83caf3..f01e60154 100644
--- a/lib/src/radio/radio.cc
+++ b/lib/src/radio/radio.cc
@@ -59,6 +59,7 @@ bool radio::init(char *args, char *devname, uint32_t nof_channels)
   } else if (strstr(srslte_rf_name(&rf_device), "bladerf")) {
     burst_preamble_sec = blade_default_burst_preamble_sec;
   } else {
+     burst_preamble_sec = 0;
     printf("\nWarning burst preamble is not calibrated for device %s. Set a value manually\n\n", srslte_rf_name(&rf_device));
   }
 
@@ -337,11 +338,10 @@ void radio::set_tx_srate(double srate)
   }
   burst_preamble_time_rounded = (double) burst_preamble_samples/cur_tx_srate;  
   
-  
   int nsamples=0;
   /* Set time advance for each known device if in auto mode */
   if (tx_adv_auto) {
-    
+   
     /* This values have been calibrated using the prach_test_usrp tool in srsLTE */
   
     if (!strcmp(srslte_rf_name(&rf_device), "uhd_b200")) {
@@ -363,7 +363,48 @@ void radio::set_tx_srate(double srate)
         /* Interpolate from known values */
         printf("\nWarning TX/RX time offset for sampling rate %.0f KHz not calibrated. Using interpolated value\n\n", cur_tx_srate);
         nsamples = cur_tx_srate*(uhd_default_tx_adv_samples * (1/cur_tx_srate) + uhd_default_tx_adv_offset_sec);        
-      }                
+      }
+      
+    }else if(!strcmp(srslte_rf_name(&rf_device), "uhd_usrp2")) {
+            double srate_khz = round(cur_tx_srate/1e3);
+      if (srate_khz == 1.92e3) {
+        nsamples = 14;// estimated
+      } else if (srate_khz == 3.84e3) {
+        nsamples = 32;
+      } else if (srate_khz == 5.76e3) {
+        nsamples = 43;
+      } else if (srate_khz == 11.52e3) {
+        nsamples = 54;
+      } else if (srate_khz == 15.36e3) {
+        nsamples = 65;// to calc
+      } else if (srate_khz == 23.04e3) {
+        nsamples = 80; // to calc
+      } else {
+        /* Interpolate from known values */
+        printf("\nWarning TX/RX time offset for sampling rate %.0f KHz not calibrated. Using interpolated value\n\n", cur_tx_srate);
+        nsamples = cur_tx_srate*(uhd_default_tx_adv_samples * (1/cur_tx_srate) + uhd_default_tx_adv_offset_sec);        
+      }
+      
+    } else if(!strcmp(srslte_rf_name(&rf_device), "lime")) {
+      double srate_khz = round(cur_tx_srate/1e3);
+      if (srate_khz == 1.92e3) {
+        nsamples = 70;// estimated
+      } else if (srate_khz == 3.84e3) {
+        nsamples = 76;//estimated
+      } else if (srate_khz == 5.76e3) {
+        nsamples = 76;
+      } else if (srate_khz == 11.52e3) {
+        nsamples = 76;
+      } else if (srate_khz == 15.36e3) {
+        nsamples = 73;
+      } else if (srate_khz == 23.04e3) {
+        nsamples = 87;
+      } else {
+        /* Interpolate from known values */
+        printf("\nWarning TX/RX time offset for sampling rate %.0f KHz not calibrated. Using interpolated value\n\n", cur_tx_srate);
+        nsamples = cur_tx_srate*(uhd_default_tx_adv_samples * (1/cur_tx_srate) + uhd_default_tx_adv_offset_sec);        
+      }
+      
     } else if (!strcmp(srslte_rf_name(&rf_device), "uhd_x300")) {
 
       // In X300 TX/RX offset is independent of sampling rate
diff --git a/lib/src/upper/rlc_am.cc b/lib/src/upper/rlc_am.cc
index 96b231a09..05f35ad76 100644
--- a/lib/src/upper/rlc_am.cc
+++ b/lib/src/upper/rlc_am.cc
@@ -381,6 +381,18 @@ bool rlc_am::poll_required()
     return true;
   if(poll_retx())
     return true;
+
+  if(tx_sdu_queue.size() == 0 && retx_queue.size() == 0)
+    return true;
+
+  /* According to 5.2.2.1 in 36.322 v13.3.0 a poll should be requested if
+   * the entire AM window is unacknowledged, i.e. no new PDU can be transmitted.
+   * However, it seems more appropiate to request more often if polling
+   * is disabled otherwise, e.g. every N PDUs.
+   */
+  if (cfg.poll_pdu == 0 && cfg.poll_byte == 0 && vt_s % poll_periodicity == 0)
+    return true;
+
   return false;
 }
 
diff --git a/lib/src/upper/rlc_um.cc b/lib/src/upper/rlc_um.cc
index d95e186e7..4756e2f7c 100644
--- a/lib/src/upper/rlc_um.cc
+++ b/lib/src/upper/rlc_um.cc
@@ -279,6 +279,7 @@ int  rlc_um::build_data_pdu(uint8_t *payload, uint32_t nof_bytes)
 
   if(pdu_space <= head_len + 1)
   {
+    pool->deallocate(pdu);
     log->warning("%s Cannot build a PDU - %d bytes available, %d bytes required for header\n",
                  rrc->get_rb_name(lcid).c_str(), nof_bytes, head_len);
     return 0;
@@ -348,7 +349,7 @@ int  rlc_um::build_data_pdu(uint8_t *payload, uint32_t nof_bytes)
   rlc_um_write_data_pdu_header(&header, pdu);
   memcpy(payload, pdu->msg, pdu->N_bytes);
   uint32_t ret = pdu->N_bytes;
-  log->debug("%sreturning length %d\n", rrc->get_rb_name(lcid).c_str(), pdu->N_bytes);
+  log->debug("%s returning length %d\n", rrc->get_rb_name(lcid).c_str(), pdu->N_bytes);
   pool->deallocate(pdu);
 
   debug_state();
diff --git a/srsenb/src/enb_cfg_parser.cc b/srsenb/src/enb_cfg_parser.cc
index a7734cd0c..dea3866a7 100644
--- a/srsenb/src/enb_cfg_parser.cc
+++ b/srsenb/src/enb_cfg_parser.cc
@@ -749,7 +749,7 @@ int enb::parse_sibs(all_args_t *args, rrc_cfg_t *rrc_cfg, phy_cfg_t *phy_config_
   }
   
   // Fill rest of data from enb config 
-  sib1->cell_id = args->enb.s1ap.enb_id;
+  sib1->cell_id = (args->enb.s1ap.enb_id << 8) + args->enb.s1ap.cell_id;
   sib1->tracking_area_code = args->enb.s1ap.tac;
   sib1->freq_band_indicator = srslte_band_get_band(args->rf.dl_earfcn); 
   sib1->N_plmn_ids = 1; 
diff --git a/srsenb/src/mac/scheduler.cc b/srsenb/src/mac/scheduler.cc
index 2abb72505..8d216bba0 100644
--- a/srsenb/src/mac/scheduler.cc
+++ b/srsenb/src/mac/scheduler.cc
@@ -641,11 +641,12 @@ int sched::dl_sched_data(dl_sched_data_t data[MAX_DATA_LIST])
     srslte_dci_format_t dci_format = user->get_dci_format();
     data[nof_data_elems].dci_format = dci_format;
 
+    uint32_t aggr_level = user->get_aggr_level(srslte_dci_format_sizeof(SRSLTE_DCI_FORMAT1, cfg.cell.nof_prb, cfg.cell.nof_ports));
     if (h) {
       // Try to schedule DCI first 
       if (generate_dci(&data[nof_data_elems].dci_location, 
-                       user->get_locations(current_cfi, sf_idx), 
-                       user->get_aggr_level(srslte_dci_format_sizeof(dci_format, cfg.cell.nof_prb, cfg.cell.nof_ports)), user))
+                       user->get_locations(current_cfi, sf_idx),
+                       aggr_level, user))
       {     
         bool is_newtx = h->is_empty(0);
         int tbs = 0;
diff --git a/srsenb/src/upper/rrc.cc b/srsenb/src/upper/rrc.cc
index 1993f3444..4dde48be1 100644
--- a/srsenb/src/upper/rrc.cc
+++ b/srsenb/src/upper/rrc.cc
@@ -768,9 +768,9 @@ bool rrc::ue::is_timeout()
   }
   
   if (deadline_str) {
-    uint64_t deadline = deadline_s*1e6  + deadline_us; 
-    uint64_t elapsed  = t[0].tv_sec*1e6 + t[0].tv_usec;
-    if (elapsed > deadline) {
+    int64_t deadline = deadline_s*1e6  + deadline_us;
+    int64_t elapsed  = t[0].tv_sec*1e6 + t[0].tv_usec;
+    if (elapsed > deadline && elapsed > 0) {
       parent->rrc_log->warning("User rnti=0x%x expired %s deadline: %d:%d>%d:%d us\n", 
                                 rnti, deadline_str, 
                                 t[0].tv_sec, t[0].tv_usec, 
diff --git a/srsue/hdr/metrics_csv.h b/srsue/hdr/metrics_csv.h
index a897265d2..f0b3e48c4 100644
--- a/srsue/hdr/metrics_csv.h
+++ b/srsue/hdr/metrics_csv.h
@@ -48,12 +48,14 @@ class metrics_csv : public srslte::metrics_listener<ue_metrics_t>
 public:
   metrics_csv(std::string filename);
 
-  void set_metrics(ue_metrics_t &m, float report_period_secs);
+  void set_periodicity(float metrics_report_period_sec);
+  void set_metrics(ue_metrics_t &m);
   void set_ue_handle(ue_metrics_interface *ue_);
 
 private:
   std::string float_to_string(float f, int digits, bool add_semicolon = true);
 
+  float                 metrics_report_period;
   std::ofstream         file;
   ue_metrics_interface* ue;
   uint32_t              n_reports;
diff --git a/srsue/hdr/metrics_stdout.h b/srsue/hdr/metrics_stdout.h
index 8ae33b24e..87a67cb2e 100644
--- a/srsue/hdr/metrics_stdout.h
+++ b/srsue/hdr/metrics_stdout.h
@@ -46,8 +46,9 @@ class metrics_stdout : public srslte::metrics_listener<ue_metrics_t>
 public:
   metrics_stdout();
 
+  void set_periodicity(float metrics_report_period_sec);
   void toggle_print(bool b);
-  void set_metrics(ue_metrics_t &m, float report_period_secs);
+  void set_metrics(ue_metrics_t &m);
   void set_ue_handle(ue_metrics_interface *ue_);
 
 private:
@@ -55,6 +56,7 @@ private:
   std::string float_to_eng_string(float f, int digits);
   std::string int_to_eng_string(int f, int digits);
 
+  float                 metrics_report_period;
   bool                  do_print;
   uint8_t               n_reports;
   ue_metrics_interface* ue;
diff --git a/srsue/src/main.cc b/srsue/src/main.cc
index b933b66f3..01f77f2fa 100644
--- a/srsue/src/main.cc
+++ b/srsue/src/main.cc
@@ -386,11 +386,13 @@ int main(int argc, char *argv[])
   metricshub.init(ue, args.expert.metrics_period_secs);
   metricshub.add_listener(&metrics_screen);
   metrics_screen.set_ue_handle(ue);
+  metrics_screen.set_periodicity(args.expert.metrics_period_secs);
 
   metrics_csv metrics_file(args.expert.metrics_csv_filename);
   if (args.expert.metrics_csv_enable) {
     metricshub.add_listener(&metrics_file);
     metrics_file.set_ue_handle(ue);
+    metrics_file.set_periodicity(args.expert.metrics_period_secs);
   }
 
   pthread_t input;
diff --git a/srsue/src/metrics_csv.cc b/srsue/src/metrics_csv.cc
index f9bdce213..7c84659b5 100644
--- a/srsue/src/metrics_csv.cc
+++ b/srsue/src/metrics_csv.cc
@@ -43,6 +43,7 @@ namespace srsue{
 
 metrics_csv::metrics_csv(std::string filename)
   :n_reports(0)
+  ,metrics_report_period(1.0)
   ,ue(NULL)
 {
   file.open(filename.c_str());
@@ -53,7 +54,11 @@ void metrics_csv::set_ue_handle(ue_metrics_interface *ue_)
   ue = ue_;
 }
 
-void metrics_csv::set_metrics(ue_metrics_t &metrics, float metrics_report_period)
+void metrics_csv::set_periodicity(float metrics_report_period_sec) {
+  this->metrics_report_period = metrics_report_period_sec;
+}
+
+void metrics_csv::set_metrics(ue_metrics_t &metrics)
 {
   if (file.is_open() && ue != NULL) {
     if(n_reports == 0) {
@@ -75,7 +80,7 @@ void metrics_csv::set_metrics(ue_metrics_t &metrics, float metrics_report_period
     file << float_to_string(metrics.phy.ul.mcs, 2);
     file << float_to_string((float) metrics.mac.ul_buffer, 2);
     file << float_to_string((float) metrics.mac.tx_brate/metrics_report_period, 2);
-    if (metrics.mac.tx_pkts > 0) {
+      if (metrics.mac.tx_pkts > 0) {
       file << float_to_string((float) 100*metrics.mac.tx_errors/metrics.mac.tx_pkts, 1);
     } else {
       file << float_to_string(0, 2);
diff --git a/srsue/src/metrics_stdout.cc b/srsue/src/metrics_stdout.cc
index 048532c8f..9f413b65f 100644
--- a/srsue/src/metrics_stdout.cc
+++ b/srsue/src/metrics_stdout.cc
@@ -50,6 +50,7 @@ char const * const prefixes[2][9] =
 metrics_stdout::metrics_stdout()
     :do_print(false)
     ,n_reports(10)
+    ,metrics_report_period(1.0)
     ,ue(NULL)
 {
 }
@@ -64,8 +65,11 @@ void metrics_stdout::toggle_print(bool b)
   do_print = b;
 }
 
+void metrics_stdout::set_periodicity(float metrics_report_period_sec) {
+  this->metrics_report_period = metrics_report_period_sec;
+}
 
-void metrics_stdout::set_metrics(ue_metrics_t &metrics, float metrics_report_period)
+void metrics_stdout::set_metrics(ue_metrics_t &metrics)
 {
   if(!do_print || ue == NULL)
     return;
diff --git a/srsue/src/phy/phch_worker.cc b/srsue/src/phy/phch_worker.cc
index 0f9dd6602..5c9194ac0 100644
--- a/srsue/src/phy/phch_worker.cc
+++ b/srsue/src/phy/phch_worker.cc
@@ -509,11 +509,6 @@ bool phch_worker::decode_pdcch_dl(srsue::mac_interface_phy::mac_grant_t* grant)
     grant->tb_en[1] = dci_unpacked.tb_en[1];
     grant->tb_cw_swap = dci_unpacked.tb_cw_swap; // FIXME: tb_cw_swap not supported
 
-    if (grant->tb_cw_swap) {
-      Info("tb_cw_swap = true\n");
-      printf("tb_cw_swap = true\n");
-    }
-
     last_dl_pdcch_ncce = srslte_ue_dl_get_ncce(&ue_dl);
 
     char hexstr[16];
@@ -644,7 +639,7 @@ int phch_worker::decode_pdsch(srslte_ra_dl_grant_t *grant, uint8_t *payload[SRSL
 
         for (int i=0;i<SRSLTE_MAX_CODEWORDS;i++) {
           if (grant->tb_en[i]) {
-            snprintf(tbstr[i], 128, ", TB%d: tbs=%d, mcs=%d, rv=%d, crc=%s, it=%d",
+            snprintf(tbstr[i], 128, ", CW%d: tbs=%d, mcs=%d, rv=%d, crc=%s, it=%d",
                      i, grant->mcs[i].tbs/8, grant->mcs[i].idx, rv[i], acks[i] ? "OK" : "KO",
                      srslte_pdsch_last_noi_cw(&ue_dl.pdsch, i));
           }
diff --git a/srsue/src/phy/phy.cc b/srsue/src/phy/phy.cc
index 9760ab374..fe5528d79 100644
--- a/srsue/src/phy/phy.cc
+++ b/srsue/src/phy/phy.cc
@@ -201,7 +201,7 @@ void phy::set_timeadv_rar(uint32_t ta_cmd) {
 void phy::set_timeadv(uint32_t ta_cmd) {
   n_ta = srslte_N_ta_new(n_ta, ta_cmd);
   sf_recv.set_time_adv_sec(((float) n_ta)*SRSLTE_LTE_TS);
-  //Warning("Not supported: Set TA: ta_cmd: %d, n_ta: %d, ta_usec: %.1f\n", ta_cmd, n_ta, ((float) n_ta)*SRSLTE_LTE_TS*1e6);
+  Info("PHY:   Set TA: ta_cmd: %d, n_ta: %d, ta_usec: %.1f\n", ta_cmd, n_ta, ((float) n_ta)*SRSLTE_LTE_TS*1e6);
 }
 
 void phy::configure_prach_params()