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pespin gerrit-no-reply at lists.osmocom.orgpespin has submitted this change. ( https://gerrit.osmocom.org/c/osmo-gsm-tester/+/20606 )
Change subject: lte: update UHD device args for MIMO usage
......................................................................
lte: update UHD device args for MIMO usage
the USRP B210 device args were not ideal for MIMO configs for
both Amarisoft and srsLTE.
Change-Id: I3785bb96eb7c10a6b10b3d1a86fa71d1f787a7a3
---
M src/osmo_gsm_tester/obj/enb_amarisoft.py
M src/osmo_gsm_tester/obj/enb_srs.py
M src/osmo_gsm_tester/obj/ms_srs.py
3 files changed, 47 insertions(+), 19 deletions(-)
Approvals:
pespin: Looks good to me, approved; Verified
diff --git a/src/osmo_gsm_tester/obj/enb_amarisoft.py b/src/osmo_gsm_tester/obj/enb_amarisoft.py
index 5b8e05e..4495f47 100644
--- a/src/osmo_gsm_tester/obj/enb_amarisoft.py
+++ b/src/osmo_gsm_tester/obj/enb_amarisoft.py
@@ -183,16 +183,24 @@
rf_dev_args = values['enb'].get('rf_dev_args', '')
rf_dev_args += ',' if rf_dev_args != '' and not rf_dev_args.endswith(',') else ''
- if self._num_prb < 25:
- rf_dev_args += 'send_frame_size=512,recv_frame_size=512'
- elif self._num_prb == 25:
- rf_dev_args += 'send_frame_size=1024,recv_frame_size=1024'
- elif self._num_prb > 25:
- rf_dev_args += 'num_recv_frames=64,num_send_frames=64'
+ if self._txmode == 1:
+ # SISO config
+ if self._num_prb < 25:
+ rf_dev_args += 'send_frame_size=512,recv_frame_size=512'
+ elif self._num_prb == 25:
+ rf_dev_args += 'send_frame_size=1024,recv_frame_size=1024'
+ else:
+ rf_dev_args += ''
+ else:
+ # MIMO config
+ if self._num_prb == 6:
+ rf_dev_args += 'send_frame_size=512,recv_frame_size=512'
+ else:
+ rf_dev_args += 'num_recv_frames=64,num_send_frames=64'
- if self._num_prb > 50:
- # Reduce over the wire format to sc12
- rf_dev_args += ',otw_format=sc12'
+ if self._num_prb > 50:
+ # Reduce over the wire format to sc12
+ rf_dev_args += ',otw_format=sc12'
config.overlay(values, dict(enb=dict(rf_dev_args=rf_dev_args)))
diff --git a/src/osmo_gsm_tester/obj/enb_srs.py b/src/osmo_gsm_tester/obj/enb_srs.py
index ec2d1fc..ad92af5 100644
--- a/src/osmo_gsm_tester/obj/enb_srs.py
+++ b/src/osmo_gsm_tester/obj/enb_srs.py
@@ -207,12 +207,23 @@
rf_dev_args = values['enb'].get('rf_dev_args', '')
rf_dev_args += ',' if rf_dev_args != '' and not rf_dev_args.endswith(',') else ''
- if self._num_prb < 25:
- rf_dev_args += 'send_frame_size=512,recv_frame_size=512'
- elif self._num_prb == 25:
- rf_dev_args += 'send_frame_size=1024,recv_frame_size=1024'
- elif self._num_prb > 25:
+ if self._num_prb == 75:
+ rf_dev_args += 'master_clock_rate=15.36e6,'
+
+ if self._txmode <= 2:
+ # SISO config
+ if self._num_prb < 25:
+ rf_dev_args += 'send_frame_size=512,recv_frame_size=512'
+ elif self._num_prb == 25:
+ rf_dev_args += 'send_frame_size=1024,recv_frame_size=1024'
+ else:
+ rf_dev_args += ''
+ else:
+ # MIMO config
rf_dev_args += 'num_recv_frames=64,num_send_frames=64'
+ if self._num_prb > 50:
+ # Reduce over the wire format to sc12
+ rf_dev_args += ',otw_format=sc12'
config.overlay(values, dict(enb=dict(rf_dev_args=rf_dev_args)))
diff --git a/src/osmo_gsm_tester/obj/ms_srs.py b/src/osmo_gsm_tester/obj/ms_srs.py
index 701794f..22e110d 100644
--- a/src/osmo_gsm_tester/obj/ms_srs.py
+++ b/src/osmo_gsm_tester/obj/ms_srs.py
@@ -306,12 +306,21 @@
rf_dev_args = values['ue'].get('rf_dev_args', '')
rf_dev_args += ',' if rf_dev_args != '' and not rf_dev_args.endswith(',') else ''
- if self.enb.num_prb() < 25:
- rf_dev_args += 'send_frame_size=512,recv_frame_size=512'
- elif self.enb.num_prb() == 25:
- rf_dev_args += 'send_frame_size=1024,recv_frame_size=1024'
- elif self.enb.num_prb() > 50:
+ if self.enb.num_prb() == 75:
+ rf_dev_args += 'master_clock_rate=15.36e6,'
+
+ if self.enb.num_ports() == 1:
+ # SISO config
+ if self.enb.num_prb() < 25:
+ rf_dev_args += 'send_frame_size=512,recv_frame_size=512'
+ elif self.enb.num_prb() == 25:
+ rf_dev_args += 'send_frame_size=1024,recv_frame_size=1024'
+ else:
+ rf_dev_args += ''
+ else:
+ # MIMO config
rf_dev_args += 'num_recv_frames=64,num_send_frames=64'
+ # For the UE the otw12 format doesn't seem to work very well
config.overlay(values, dict(ue=dict(rf_dev_args=rf_dev_args)))
--
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Gerrit-Project: osmo-gsm-tester
Gerrit-Branch: master
Gerrit-Change-Id: I3785bb96eb7c10a6b10b3d1a86fa71d1f787a7a3
Gerrit-Change-Number: 20606
Gerrit-PatchSet: 1
Gerrit-Owner: srs_andre <andre at softwareradiosystems.com>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: merged
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