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<p>in simple and rather cost-effective implementation is enabled at the base stations.<br/>
* b) In <b>IF-over-fiber</b> architecture, an IF (<a href="page.php?w=intermediate_frequency">intermediate frequency</a>) radio signal with a lower frequency is used for modulating light before being transported over the optical link. Therefore, before radiation through the air, the signal must be up-converted to RF at the base station.</p>

<p><b>Access to dead zones</b></p>

<p>An important application of RoF is its use to provide wireless coverage in the</p><p>
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