From f906892a659509b554962413fc6dd6ce99d79188 Mon Sep 17 00:00:00 2001 From: Ismael Gomez Date: Fri, 10 Jun 2016 18:06:32 +0200 Subject: [PATCH] enb_dl: increased tx amplitude --- srslte/lib/enb/enb_dl.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/srslte/lib/enb/enb_dl.c b/srslte/lib/enb/enb_dl.c index fdee6d6a1..5084caf60 100644 --- a/srslte/lib/enb/enb_dl.c +++ b/srslte/lib/enb/enb_dl.c @@ -37,6 +37,8 @@ #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 0.8 + int srslte_enb_dl_init(srslte_enb_dl_t *q, srslte_cell_t cell, uint32_t nof_rnti) { int ret = SRSLTE_ERROR_INVALID_INPUTS; @@ -202,7 +204,8 @@ void srslte_enb_dl_gen_signal(srslte_enb_dl_t *q, cf_t *signal_buffer) srslte_ofdm_tx_sf(&q->ifft, q->sf_symbols[0], signal_buffer); // TODO: PAPR control - srslte_vec_sc_prod_cfc(signal_buffer, 0.2, signal_buffer, SRSLTE_SF_LEN_PRB(q->cell.nof_prb)); + 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)); } int srslte_enb_dl_cfg_rnti(srslte_enb_dl_t *q, uint32_t idx, uint16_t rnti)