<p>fixeria has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/osmo-bts/+/21449">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">osmo-bts-trx/scheduler: ensure no DL power attenuation on C0<br><br>When [baseband] frequency hopping is in use, Downlink bursts from<br>additional transceivers may end up being transmitted on TRX0/C0.<br>In this case, we must not apply per-lchan attenuation, because<br>the BTS shall maintain constant power level on that TRX.<br><br>Change-Id: Id171df70447283b00da965e1f81dfac20e35495c<br>Related: SYS#4918<br>---<br>M src/osmo-bts-trx/scheduler_trx.c<br>1 file changed, 5 insertions(+), 2 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/49/21449/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/osmo-bts-trx/scheduler_trx.c b/src/osmo-bts-trx/scheduler_trx.c</span><br><span>index c000324..1552a86 100644</span><br><span>--- a/src/osmo-bts-trx/scheduler_trx.c</span><br><span>+++ b/src/osmo-bts-trx/scheduler_trx.c</span><br><span>@@ -146,9 +146,12 @@</span><br><span>                            l1h = pinst->u.osmotrx.hdl;</span><br><span>                       }</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-                   /* update dummy burst mask for C0 */</span><br><span style="color: hsl(0, 100%, 40%);">-                    if (pinst->trx == bts->c0)</span><br><span style="color: hsl(120, 100%, 40%);">+                      if (pinst->trx == bts->c0) {</span><br><span style="color: hsl(120, 100%, 40%);">+                            /* update dummy burst mask for C0 */</span><br><span>                                 c0_mask |= (1 << tn);</span><br><span style="color: hsl(120, 100%, 40%);">+                           /* ensure no attenuation on C0 */</span><br><span style="color: hsl(120, 100%, 40%);">+                             br.att = 0;</span><br><span style="color: hsl(120, 100%, 40%);">+                   }</span><br><span> </span><br><span>                        trx_if_send_burst(l1h, &br);</span><br><span>             }</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-bts/+/21449">change 21449</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://gerrit.osmocom.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.osmocom.org/c/osmo-bts/+/21449"/><meta itemprop="name" content="View Change"/></div></div>

<div style="display:none"> Gerrit-Project: osmo-bts </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: Id171df70447283b00da965e1f81dfac20e35495c </div>
<div style="display:none"> Gerrit-Change-Number: 21449 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: fixeria <vyanitskiy@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>