锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#20037;&#20037;&#34588;&#26691;&#39321;&#34121;&#31934;&#21697;&#19968;&#21306;&#20108;&#21306;&#19977;&#21306;&#44;&#27431;&#32654;&#20122;&#27954;&#31532;&#19968;&#21306;&#44;&#34588;&#33216;&#31934;&#21697;&#20037;&#20037;&#20037;&#20037;&#20037;&#34588;&#33216;</title><link>http://www.aygfsteel.com/illidan/category/38685.html</link><description>Trinity, log me out!</description><language>zh-cn</language><lastBuildDate>Sat, 09 May 2009 21:29:51 GMT</lastBuildDate><pubDate>Sat, 09 May 2009 21:29:51 GMT</pubDate><ttl>60</ttl><item><title>WLAN姒傝堪</title><link>http://www.aygfsteel.com/illidan/archive/2009/04/03/263643.html</link><dc:creator>浼婅惤涓?/dc:creator><author>浼婅惤涓?/author><pubDate>Thu, 02 Apr 2009 16:01:00 GMT</pubDate><guid>http://www.aygfsteel.com/illidan/archive/2009/04/03/263643.html</guid><wfw:comment>http://www.aygfsteel.com/illidan/comments/263643.html</wfw:comment><comments>http://www.aygfsteel.com/illidan/archive/2009/04/03/263643.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/illidan/comments/commentRss/263643.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/illidan/services/trackbacks/263643.html</trackback:ping><description><![CDATA[<span style="font-weight: bold;"><span style="color: rgb(255, 1, 2);">Physical Layer<br />
<br />
</span>Functions:<br />
&nbsp;</span>Encoding/decoding of signals (PSK, QAM, etc)<br />
&nbsp;Preamble generation/removal (for synchronization)<br />
&nbsp;Bit transimission/reception<br />
<span style="font-weight: bold;"><br />
Sublayers</span>: <br />
&nbsp;Pysical Layer Convergence Procedure (<span style="font-weight: bold;">PLCP</span>)<br />
&nbsp;Physical Medium Dependent (<span style="font-weight: bold;">PMD</span>) sublayer<br />
<br />
PLCP<br />
&nbsp;map the MAC frame onto the medium, straddle between MAC and PHY, add a number of fields to the frame as it's transmitted into the air<br />
PMD<br />
&nbsp;transimit the frame<br />
<br />
<br />
[References]<br />
<a target=""></a><a title="[Gast 2005]" href="http://www.aygfsteel.com/illidan/archive/2009/04/03/263644.html">[Gast 2005]</a><br />
<a title="[Stalling 2004]" href="http://www.aygfsteel.com/illidan/archive/2009/04/03/263644.html">[Stalling 2004]</a><br />
<br />
<img src ="http://www.aygfsteel.com/illidan/aggbug/263643.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/illidan/" target="_blank">浼婅惤涓?/a> 2009-04-03 00:01 <a href="http://www.aygfsteel.com/illidan/archive/2009/04/03/263643.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>    <footer>
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