<p>srs_andre has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-gsm-tester/+/17650">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">srs_{ue,enb}: change UHD stream args and buffer size as function of cell width<br><br>Change-Id: I2de0526ee9bd2f7bb75c7d529b3f52d75117c5cc<br>---<br>M src/osmo_gsm_tester/srs_enb.py<br>M src/osmo_gsm_tester/srs_ue.py<br>2 files changed, 34 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-tester refs/changes/50/17650/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/osmo_gsm_tester/srs_enb.py b/src/osmo_gsm_tester/srs_enb.py</span><br><span>index 8cb612e..6193749 100644</span><br><span>--- a/src/osmo_gsm_tester/srs_enb.py</span><br><span>+++ b/src/osmo_gsm_tester/srs_enb.py</span><br><span>@@ -219,6 +219,24 @@</span><br><span> + ',id=enb,base_srate=' + str(base_srate)</span><br><span> config.overlay(values, dict(enb=dict(rf_dev_args=rf_dev_args)))</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+ # Set UHD frame size as a function of the cell bandwidth</span><br><span style="color: hsl(120, 100%, 40%);">+ if self._conf.get('rf_dev_type') == 'UHD':</span><br><span style="color: hsl(120, 100%, 40%);">+ rf_dev_args = ''</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if self._num_prb < 25:</span><br><span style="color: hsl(120, 100%, 40%);">+ rf_dev_args += 'send_frame_size=512,recv_frame_size=512'</span><br><span style="color: hsl(120, 100%, 40%);">+ elif self._num_prb == 25:</span><br><span style="color: hsl(120, 100%, 40%);">+ rf_dev_args += 'send_frame_size=1024,recv_frame_size=1024'</span><br><span style="color: hsl(120, 100%, 40%);">+ elif self._num_prb > 25:</span><br><span style="color: hsl(120, 100%, 40%);">+ rf_dev_args += 'num_recv_frames=64,num_send_frames=64'</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if self._num_prb > 50:</span><br><span style="color: hsl(120, 100%, 40%);">+ # Reduce over the wire format to sc12</span><br><span style="color: hsl(120, 100%, 40%);">+ rf_dev_args += ',otw_format=sc12'</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ config.overlay(values, dict(enb=dict(rf_dev_args=rf_dev_args)))</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> self.dbg('srsENB ' + filename + ':\n' + pprint.pformat(values))</span><br><span> </span><br><span> with open(path, 'w') as f:</span><br><span>diff --git a/src/osmo_gsm_tester/srs_ue.py b/src/osmo_gsm_tester/srs_ue.py</span><br><span>index 6cd7c63..920863e 100644</span><br><span>--- a/src/osmo_gsm_tester/srs_ue.py</span><br><span>+++ b/src/osmo_gsm_tester/srs_ue.py</span><br><span>@@ -237,6 +237,22 @@</span><br><span> + ',id=ue,base_srate='+ str(base_srate)</span><br><span> )))</span><br><span> </span><br><span style="color: hsl(120, 100%, 40%);">+ # Set UHD frame size as a function of the cell bandwidth</span><br><span style="color: hsl(120, 100%, 40%);">+ if self._conf.get('rf_dev_type') == 'UHD':</span><br><span style="color: hsl(120, 100%, 40%);">+ rf_dev_args = ''</span><br><span style="color: hsl(120, 100%, 40%);">+ if self.enb.num_prb() < 25:</span><br><span style="color: hsl(120, 100%, 40%);">+ rf_dev_args += 'send_frame_size=512,recv_frame_size=512'</span><br><span style="color: hsl(120, 100%, 40%);">+ elif self.enb.num_prb() == 25:</span><br><span style="color: hsl(120, 100%, 40%);">+ rf_dev_args += 'send_frame_size=1024,recv_frame_size=1024'</span><br><span style="color: hsl(120, 100%, 40%);">+ elif self.enb.num_prb() > 50:</span><br><span style="color: hsl(120, 100%, 40%);">+ rf_dev_args += 'num_recv_frames=64,num_send_frames=64'</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ # For 15 and 20 MHz, further reduce over the wire format to sc12</span><br><span style="color: hsl(120, 100%, 40%);">+ if self.enb.num_prb() >= 75:</span><br><span style="color: hsl(120, 100%, 40%);">+ rf_dev_args += ',otw_format=sc12'</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ config.overlay(values, dict(ue=dict(rf_dev_args=rf_dev_args)))</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span> self.dbg('SRSUE CONFIG:\n' + pprint.pformat(values))</span><br><span> </span><br><span> with open(self.config_file, 'w') as f:</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-gsm-tester/+/17650">change 17650</a>. 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<div style="display:none"> Gerrit-Project: osmo-gsm-tester </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: I2de0526ee9bd2f7bb75c7d529b3f52d75117c5cc </div>
<div style="display:none"> Gerrit-Change-Number: 17650 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: srs_andre <andre@softwareradiosystems.com> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>