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<div class="div">
<h1>Overview of implementing Dynamic Frequency and Channel
Allocation (DFCA)</h1>

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<h2>Purpose</h2>

<p>This overview procedure lists the tasks you have to perform in order
to implement Dynamic Frequency and Channel Allocation in the network.</p>
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<h2>Before you start</h2>

<p>Perform the following tasks before configuring and activating DFCA:</p>


<ol class="type-odd">
<li type="1"><p>Plan the frequency band division and parameters
as described in <a href="NED?action=retrieve&amp;identifier=dn04111335&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=jan751640542#jan751640542" onclick="sync(this);return true" shape="rect">Planning Dynamic
Frequency and Channel Allocation (DFCA)</a>.</p>
</li>
<li type="1"><p>Implement BSS synchronisation as described in <a href="NED?action=retrieve&amp;identifier=dn04122242&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=jan1651149141#jan1651149141" onclick="sync(this);return true" shape="rect">Implementing
BSS Synchronisation</a>.</p>
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<li type="1"><p>Install, configure and activate the BSC-BSC interface (BBI) as
described in <em>Connecting and Testing BSC-BSC Interface</em> in BSC/TCSM
documentation.</p>
</li>
</ol>
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<h2>Steps</h2>

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<p class="title"><span class="block-title" onclick="expandBlock('block1'); return false"><layer visibility="hide"><img alt="Expand/collapse" border="0" class="ExpColl" name="block1Title" src="NED?action=retrieve&amp;identifier=dn01157982&amp;edition=1&amp;language=none&amp;coverage=global&amp;encoding=gif&amp;component=data&amp;item=data" /></layer> <a href="NED?action=retrieve&amp;identifier=dn04184161&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=jan1651155472#jan1651155472" onclick="sync(this);return true" shape="rect">Configure
Dynamic Frequency and Channel Allocation.</a></span></p>
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<p>Configuring DFCA is preparatory work for activation and does not significantly
affect network operation, so you can do it in advance.</p>
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<p class="title"><span class="block-title" onclick="expandBlock('block2'); return false"><layer visibility="hide"><img alt="Expand/collapse" border="0" class="ExpColl" name="block2Title" src="NED?action=retrieve&amp;identifier=dn01157982&amp;edition=1&amp;language=none&amp;coverage=global&amp;encoding=gif&amp;component=data&amp;item=data" /></layer> <a href="NED?action=retrieve&amp;identifier=dn04111359&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=sep24417232114#sep24417232114" onclick="sync(this);return true" shape="rect">Activate
Dynamic Frequency and Channel Allocation.</a></span></p>
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<p>Activating DFCA causes a short period of network downtime, so you should
do it during a period of low traffic.</p>
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<h3><a href="NED?action=retrieve&amp;identifier=dn04166585&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=jan1651224210#jan1651224210" onclick="sync(this);return true" shape="rect">Activate
Dynamic Frequency and Channel Allocation related measurements.</a></h3>
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</li>
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<h2>Further information</h2>

<p><a href="NED?action=retrieve&amp;identifier=dn04111086&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=sep2441454301#sep2441454301" onclick="sync(this);return true" shape="rect">Overview of Dynamic Frequency
and Channel Allocation (DFCA)</a></p>


<p><a href="NED?action=retrieve&amp;identifier=dn04103413&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=jun84175301#jun84175301" onclick="sync(this);return true" shape="rect">System impact of Dynamic Frequency
and Channel Allocation (DFCA)</a></p>


<p><a href="NED?action=retrieve&amp;identifier=dn04111362&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=sep24417364427#sep24417364427" onclick="sync(this);return true" shape="rect">Deactivating Dynamic Frequency
and Channel Allocation (DFCA)</a></p>


<p>For detailed instructions, see <em>Activating and Testing BSS11052:
Dynamic Frequency and Channel Allocation </em>in BSC/TCSM documentation.</p>
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