Change in osmo-gsm-tester[master]: enb_amarisoft: add option to enable and configure DL AWGN channel

[srs_andre]

srs_andre has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-gsm-tester/+/19185 )


Change subject: enb_amarisoft: add option to enable and configure DL AWGN channel
......................................................................

enb_amarisoft: add option to enable and configure DL AWGN channel

expose option to enable DL AWGN noise and make SNR configurable

Change-Id: Ib248e87e5abd855d4c974eab42ec40828c6e1d40
---
M src/osmo_gsm_tester/obj/enb.py
M src/osmo_gsm_tester/obj/enb_amarisoft.py
M src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
3 files changed, 12 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-tester refs/changes/85/19185/1

diff --git a/src/osmo_gsm_tester/obj/enb.py b/src/osmo_gsm_tester/obj/enb.py
index d9fe1a5..be48887 100644
--- a/src/osmo_gsm_tester/obj/enb.py
+++ b/src/osmo_gsm_tester/obj/enb.py
@@ -36,6 +36,8 @@
         'rf_dev_args': schema.STR,
         'additional_args[]': schema.STR,
         'enable_measurements': schema.BOOL_STR,
+        'enable_dl_awgn': schema.BOOL_STR,
+        'dl_awgn_snr': schema.INT,
         'a1_report_type': schema.STR,
         'a1_report_value': schema.INT,
         'a1_hysteresis': schema.INT,
diff --git a/src/osmo_gsm_tester/obj/enb_amarisoft.py b/src/osmo_gsm_tester/obj/enb_amarisoft.py
index 4b24844..5ba9224 100644
--- a/src/osmo_gsm_tester/obj/enb_amarisoft.py
+++ b/src/osmo_gsm_tester/obj/enb_amarisoft.py
@@ -160,6 +160,9 @@
         self.enable_measurements = util.str2bool(values['enb'].get('enable_measurements', 'false'))
         config.overlay(values, dict(enb={'enable_measurements': self.enable_measurements}))
 
+        config.overlay(values, dict(enb={'enable_dl_awgn': util.str2bool(values['enb'].get('enable_dl_awgn', 'false'))}))
+        config.overlay(values, dict(enb={'dl_awgn_snr': values['enb'].get('dl_awgn_snr', 30)}))
+
         # We need to set some specific variables programatically here to match IP addresses:
         if self._conf.get('rf_dev_type') == 'zmq':
             base_srate = self.num_prb2base_srate(self.num_prb())
diff --git a/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl b/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
index 09532cc..7896ecb 100644
--- a/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
+++ b/src/osmo_gsm_tester/templates/amarisoft_enb.cfg.tmpl
@@ -38,6 +38,13 @@
   /* RF driver configuration */
   include "amarisoft_rf_driver.cfg",
 
+% if enb.enable_dl_awgn:
+  channel_dl: {
+    type: "awgn",
+    snr: ${enb.dl_awgn_snr}
+  },
+% endif
+
   mme_list: [
     {
       s1ap_bind_addr: "${enb.addr}",

-- 
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Gerrit-Project: osmo-gsm-tester
Gerrit-Branch: master
Gerrit-Change-Id: Ib248e87e5abd855d4c974eab42ec40828c6e1d40
Gerrit-Change-Number: 19185
Gerrit-PatchSet: 1
Gerrit-Owner: srs_andre <andre at softwareradiosystems.com>
Gerrit-MessageType: newchange
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