From bc0aba0d8a88adafe006de2ea47529c45df3dcae Mon Sep 17 00:00:00 2001
From: Xavier Arteaga <xavier@softwareradiosystems.com>
Date: Wed, 29 Jul 2020 13:17:47 +0200
Subject: [PATCH] SRSENB: calculate TA from PUCCH messages

---
 lib/src/phy/enb/enb_ul.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/src/phy/enb/enb_ul.c b/lib/src/phy/enb/enb_ul.c
index 61c8993ba..38318fc7b 100644
--- a/lib/src/phy/enb/enb_ul.c
+++ b/lib/src/phy/enb/enb_ul.c
@@ -214,6 +214,12 @@ static int get_pucch(srslte_enb_ul_t* q, srslte_ul_sf_cfg_t* ul_sf, srslte_pucch
       return SRSLTE_ERROR;
     }
 
+    // Copy measurements
+    if (cfg->meas_ta_en) {
+      pucch_res.ta_valid = !(isnan(q->chest_res.ta_us) || isinf(q->chest_res.ta_us));
+      pucch_res.ta_us    = q->chest_res.ta_us;
+    }
+
     ret = srslte_pucch_decode(&q->pucch, ul_sf, cfg, &q->chest_res, q->sf_symbols, &pucch_res);
     if (ret < SRSLTE_SUCCESS) {
       ERROR("Error decoding PUCCH\n");