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<div class="div">
<h1>Overview of optimise and expand tasks</h1>

<p>Optimising the capacity and coverage of the network is
a continuous process because the number of subscribers using the network changes
constantly, and that causes the capacity and coverage needs of the network
to change as well.</p>


<p>The operator can expand the BSC by adding or deleting network
elements racks, cartridges, plug-in units and functional units; optimise transmission
capacity by adding or removing transmission equipment; and optimise signalling
capacity by creating signalling links and adding link capacity.</p>


<p>The following documents cover the optimise and expand tasks
in BSS11.5. For more information, refer to <em>Nokia BSC/TCSM
S11.5 Product Documentation</em>.</p>


<a name="dec1731327381" shape="rect"></a>
<div class="topic">
<h2>BSC
Hardware Extension installation</h2>

<ul>
<li><p>BSC hardware extension installation
instructions</p>
</li>
<li><p>Equipping hardware to the BSC database
(BSCE and BSCi)</p>
</li>
<li><p>Equipping hardware to the BSC2 database
(BSC2A/E, BSC2i)</p>
</li>
<li><p>Equipping hardware to the BSC3i database </p>
</li>
</ul>
</div>


<a name="dec1731329102" shape="rect"></a>
<div class="topic">
<h2>Routing</h2>

<ul>
<li><p>Changing the working state of a circuit</p>
</li>
<li><p>Changing the working state of a circuit
group</p>
</li>
<li><p>Changing the working state of a route</p>
</li>
<li><p>Selecting the hunting method</p>
</li>
<li><p>Creating semipermanent connections</p>
</li>
<li><p>Deleting circuits from circuit groups</p>
</li>
<li><p>Deleting circuit groups</p>
</li>
<li><p>Deleting routes or circuit groups from
routes</p>
</li>
</ul>
</div>


<a name="dec1731329503" shape="rect"></a>
<div class="topic">
<h2>Rehosting</h2>

<ul>
<li><p>Modifying (E)GPRS</p>


<ul>
<li><p>Enabling EGPRS on a cell</p>
</li>
<li><p>Adding a packet control channel to
a cell</p>
</li>
<li><p>Modifying Gb interface capacity</p>
</li>
<li><p>Moving a Routing Area from one SGSN
to another</p>
</li>
<li><p>Moving a cell from one Routing Area
to another</p>
</li>
<li><p>Activating a new PCU</p>
</li>
<li><p>Optimising GPRS Radio Network Performance</p>
</li>
<li><p>Analysing the E(GPRS) performance</p>
</li>
</ul>
</li>
</ul>
</div>


<a name="dec173133154" shape="rect"></a>
<div class="topic">
<h2>Capacity
and Coverage</h2>

<ul>
<li><p>Adding racks, cartridges, plug-in units
and functional units</p>
</li>
<li><p>Deleting racks or cabinets, cartridges,
plug-in units, and functional units</p>
</li>
<li><p>Adding an ET</p>
</li>
<li><p>Deleting an ET</p>
</li>
<li><p>Changing an ET from one interface to
another</p>
</li>
<li><p>Creating D-channels on Abis interface</p>
</li>
<li><p>Adding a new BTS site under the BSC</p>
</li>
<li><p>Adding a new BTS to the BSC</p>
</li>
<li><p>Adding a new TRX to the BTS</p>
</li>
<li><p>Deleting network elements</p>
</li>
<li><p>Modifying the Location Area (LA) or
the Cell Identity (CI) of a BTS</p>
</li>
<li><p>Modifying the BTS site type</p>
</li>
<li><p>Activating the BB hopping mode of a
BTS</p>
</li>
<li><p>Activating the RF hopping mode of a
BTS</p>
</li>
<li><p>Modifying the BCCH frequency</p>
</li>
<li><p>Modifying the frequency of other than
the BCCH TRX</p>
</li>
<li><p>Modifying the radio network frequency
plan by using background loading</p>
</li>
<li><p>Adding an external input and output
text (Nokia MetroSite and Nokia UltraSite only)</p>
</li>
<li><p>Locking the TRX</p>
</li>
<li><p>Locking the BTS</p>
</li>
<li><p>Locking the BTS site</p>
</li>
<li><p>Unlocking the TRX</p>
</li>
<li><p>Unclocking the BTS</p>
</li>
<li><p>Unlocking the BTS site</p>
</li>
<li><p>Disabling GPRS</p>
</li>
<li><p>Dynamic Abis Pool Handling</p>
</li>
</ul>
</div>


<a name="dec1731331595" shape="rect"></a>
<div class="topic">
<h2>Transmission</h2>

<ul>
<li><p>Adding a TCSM</p>
</li>
<li><p>Deleting a TCSM</p>
</li>
<li><p>Modifying service channel configurations</p>
</li>
<li><p>Modifying an existing transcoder configuration</p>
</li>
</ul>
</div>


<a name="dec1731332206" shape="rect"></a>
<div class="topic">
<h2>Signalling</h2>

<ul>
<li><p>Modifying association parameters</p>
</li>
<li><p>Deleting IP signalling links</p>
</li>
<li><p>Modifying an external alarm or alarm
input</p>
</li>
<li><p>Deleting and external alarm</p>
</li>
<li><p>Testing a wired alarm</p>
</li>
<li><p>Optimising MTP configuration</p>
</li>
<li><p>Optimising SCCP configuration</p>
</li>
<li><p>Modifying the O&amp;M signalling link
or its ET-PCM</p>
</li>
<li><p>Modifying the telecom signalling link
or ET-PCM of the TRX</p>
</li>
</ul>
</div>


<p>See also the following documents in <em>NetAct</em>
documentation set:</p>


<a name="dec183956221" shape="rect"></a>
<div class="topic">
<h2>Retuning</h2>

<ul>
<li><p>Implementing Parameter Plans</p>
</li>
<li><p>Maintaining Multi-BCF Sites</p>
</li>
<li><p>Managing Adjacencies</p>
</li>
<li><p>Optimising a Network Using Optimizer</p>
</li>
</ul>
</div>


<a name="dec183106112" shape="rect"></a>
<div class="topic">
<h2>Building
and Extending</h2>

<ul>
<li><p>Activating MS Location Services</p>
</li>
<li><p>Building and Extending EDGE Coverage</p>
</li>
<li><p>Creating BTS Sites</p>
</li>
<li><p>Enabling GPRS in the GSM Radio Network</p>
</li>
<li><p>Extending GSM BTS Sites</p>
</li>
</ul>
</div>


<a name="dec183108563" shape="rect"></a>
<div class="topic">
<h2>Rehosting</h2>

<ul>
<li><p>Rehosting GSM BSCs</p>
</li>
<li><p>Rehosting GSM BTS Sites</p>
</li>
</ul>
</div>


<p>See also the following optimise and expand tasks in <em>Nokia MetroHub Transmission Node Rel. C2.1.</em>:</p>


<ul>
<li><p>Adjusting Node settings</p>
</li>
<li><p>Adjusting Q1 management settings</p>
</li>
<li><p>Managing cross-connections</p>
</li>
</ul>


<p>See also the following optimise and expand tasks in <em>Nokia AXC - ATM Cross-connect C2.0, Maintaining the AXC</em>:</p>


<ul>
<li><p>Interface configuration constraints</p>
</li>
<li><p>ATM settings</p>
</li>
<li><p>Interface settings</p>
</li>
<li><p>IP settings</p>
</li>
<li><p>Modifying synchronisation settings</p>
</li>
<li><p>Inspecting and modifying Management
Protocol</p>
</li>
<li><p>Modifying AXC Q1 Support Function</p>
</li>
</ul>
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