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<p><b>Spectral efficiency</b> (alternatively, <b>spectrum efficiency</b> or <b>bandwidth efficiency</b>) refers to the <a href="page.php?w=information_rate">information rate</a> that can be transmitted over a given <a href="page.php?w=Bandwidth_%28signal_processing%29">bandwidth</a> in a specific communication system. It is a measure of how efficiently limited frequency spectrum is utilized by the <a href="page.php?w=physical_layer">physical layer</a> protocol, and sometimes by the <a href="page.php?w=medium_access_control">medium access control</a></p><p>
<a accesskey="3" href="page.php?w=spectral_efficiency&amp;p=2">3.Next</a>
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