<?xml version="1.0" encoding="utf-8" standalone="yes"?><html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>System impact of Network-Assisted Cell Change (NACC) </title>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
<meta content="text/css" http-equiv="Content-Style-Type" />
<script src="NED?action=retrieve&amp;identifier=dn00188761&amp;edition=1&amp;language=none&amp;coverage=global&amp;encoding=javascript&amp;component=data&amp;item=data" type="text/javascript" xml:space="preserve">
</script>
<?conversion name="Pub2XHTML" version="2.0" source="urn:mars:dn04111744:1:en:global:publishing_online_1_0:data:data:*:*:*" date="2005-02-28T15:55:11Z"?>
<link href="NED?action=retrieve&amp;identifier=dn01158124&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=css&amp;component=data&amp;item=data" rel="stylesheet" title="Nokia Networks default online style" type="text/css" />
<meta content="draft" name="status" />
<?conversion name="SplitHTML" version="1.9" source="urn:mars:dn04111744:1:en:global:publishing_online_1_0:data:data:38:*:*" date="2005-02-28T15:55:11Z"?>
</head>
<body lang="en" xml:lang="en">
<p><a name="ned_top" shape="rect"></a>
<a name="ned_1" shape="rect"></a></p>

<a name="jun234141651" shape="rect"></a>
<a name="p2xhtm-repid-1" shape="rect"></a>
<table width="100%">
<tr>
<td align="center" colspan="1" rowspan="1" width="20%"><?NED5 annotation?>
<br clear="none" /><?NED5 printview?>
</td>
<td align="center" colspan="1" rowspan="1" width="20%"></td>
<td align="center" colspan="1" rowspan="1" width="20%"></td>
<td align="center" colspan="1" rowspan="1" width="20%"></td>
<td align="center" colspan="1" rowspan="1" width="20%"><a href="NED?action=retrieve&amp;identifier=dn04111744_about&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_top#ned_top" onclick="openSmallPopup(event,'NED?action=retrieve&amp;identifier=dn04111744_about&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_top#ned_top');return false" shape="rect" target="_blank"><img alt="Document information" border="0" class="Metainfo" src="NED?action=retrieve&amp;identifier=dn01158003&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=gif&amp;component=data&amp;item=data" /></a></td>
</tr>
</table>


<div class="div">
<h1>System impact of Network-Assisted Cell Change (NACC) </h1>

<p>For an overview of NACC, see <a href="NED?action=retrieve&amp;identifier=dn04111144&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=sep2341657531#sep2341657531" onclick="sync(this);return true" shape="rect">Overview
of Network-Assisted Cell Change (NACC)</a>.</p>


<p>For implementation instructions, see <a href="NED?action=retrieve&amp;identifier=dn04111768&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=sep234177387#sep234177387" onclick="sync(this);return true" shape="rect">Overview
of implementing Network-Assisted Cell Change (NACC)</a>.</p>


<p><a href="NED?action=retrieve&amp;identifier=dn04111744&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_2#ned_2" onclick="sync(this);return true" shape="rect">Requirements</a></p>


<a name="sep2831538457" shape="rect"></a>
<div class="div">
<h2>Impact on transmission</h2>

<p>NACC has no impact on transmission units.</p>
</div>


<p><a href="NED?action=retrieve&amp;identifier=dn04111744&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_6#ned_6" onclick="sync(this);return true" shape="rect">Impact on BSS performance</a></p>


<p><a href="NED?action=retrieve&amp;identifier=dn04111744&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_10#ned_10" onclick="sync(this);return true" shape="rect">User interface</a></p>


<a name="sep2831552235" shape="rect"></a>
<div class="div">
<h2>Impact on Network Switching Subsystem (NSS)</h2>

<p>NACC has no impact on NSS.</p>
</div>


<p><a href="NED?action=retrieve&amp;identifier=dn04111744&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_15#ned_15" onclick="sync(this);return true" shape="rect">Impact on NetAct products</a></p>


<p><a href="NED?action=retrieve&amp;identifier=dn04111744&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_16#ned_16" onclick="sync(this);return true" shape="rect">Impact on interfaces</a></p>


<p><a href="NED?action=retrieve&amp;identifier=dn04111744&amp;edition=1&amp;language=en&amp;coverage=global&amp;encoding=xhtml_1_0&amp;component=data&amp;item=data&amp;pointer=ned_18#ned_18" onclick="sync(this);return true" shape="rect">Interworking with other features</a></p>


<a name="jun74104742" shape="rect"></a>
<div class="div">
<h2>Restrictions</h2>

<p>NACC does not support inter-BSC cell changes.</p>
</div>


<a name="sep283163347" shape="rect"></a>
<div class="div">
<h2>Impact on mobile terminals</h2>

<p>NACC is supported by the GERAN R4 and GERAN Feature Package
1 compatible (E)GPRS capable mobile terminals.</p>
</div>
</div>
</body>
</html>