downloadfile.rar_OptiSystem OFDM_optisystem

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/6264322f4f8811599e3b5a56/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6264322f4f8811599e3b5a56/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc2 sc0"> </span><span class="fc2 sc0"> </span><span class="ls1"><span class="fc2 sc0">| </span></span><span class="fc1"><span class="fc2 sc0">P</span><span class="_ _0"> </span><span class="fc2 sc0">a</span><span class="_ _0"> </span><span class="fc2 sc0">g</span><span class="_"> </span><span class="fc2 sc0">e</span><span class="_ _0"> </span></span><span class="fc2 sc0"> </span></div><div class="t m0 x2 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc2 sc0"> </span></div><div class="t m0 x2 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc2 sc0"> </span><span class="fc2 sc0"> </span><span class="fc2 sc0"> </span><span class="fc2 sc0"> </span><span class="fc2 sc0"> </span><span class="fc2 sc0"> </span><span class="_ _1"> </span><span class="fc2 sc0"> </span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div> </body> </html>

<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6264322f4f8811599e3b5a56/bg2.jpg"><div class="t m0 x2 h3 y4 ff1 fs1 fc3 sc0 ls0 ws0">OFDM OVER OPTICAL ACCESS NETWORK <span class="_ _2"></span> <span class="_ _3"></span> I | P<span class="_ _0"> </span>a<span class="_"> </span>g<span class="_ _0"> </span>e<span class="_"> </span> </div><div class="t m0 x2 h3 y5 ff1 fs1 fc0 sc0 ls0 ws0"> <span class="_ _4"> </span> <span class="_ _5"> </span> </div><div class="t m0 x3 h4 y6 ff2 fs2 fc0 sc0 ls2 ws0">By<span class="ls0"> </span></div><div class="t m0 x4 h4 y7 ff2 fs2 fc0 sc0 ls0 ws0">Asm<span class="_ _2"></span>aa Ali Rayan </div><div class="t m0 x5 h4 y8 ff2 fs2 fc0 sc0 ls0 ws0">Alaa Am<span class="_ _2"></span>r Othman </div><div class="t m0 x6 h4 y9 ff2 fs2 fc0 sc0 ls0 ws0">Maha Em<span class="_ _2"></span>ad Abd El-Maqsoud </div><div class="t m0 x7 h4 ya ff2 fs2 fc0 sc0 ls0 ws0">Under the Super<span class="_ _2"></span>vision of </div><div class="t m0 x8 h4 yb ff2 fs2 fc0 sc0 ls0 ws0">Dr. Hassan Most<span class="_ _2"></span>afa </div><div class="t m0 x4 h4 yc ff2 fs2 fc0 sc0 ls0 ws0">Dr. Tawfik Ism<span class="_ _2"></span>ail </div><div class="t m0 x9 h4 yd ff2 fs2 fc0 sc0 ls0 ws0">A Graduation Projec<span class="_ _2"></span>t Report S<span class="_ _2"></span>ubmitted to </div><div class="t m0 xa h4 ye ff2 fs2 fc0 sc0 ls0 ws0">the Faculty<span class="_ _2"></span> of Engineering at Ca<span class="_ _2"></span>iro Univer<span class="_ _2"></span>sity </div><div class="t m0 xb h4 yf ff2 fs2 fc0 sc0 ls0 ws0">In Partial Fulf<span class="_ _2"></span>illment of t<span class="_ _2"></span>he Requirements for t<span class="_ _2"></span>he </div><div class="t m0 xc h4 y10 ff2 fs2 fc0 sc0 ls0 ws0">Degree of </div><div class="t m0 x8 h4 y11 ff2 fs2 fc0 sc0 ls0 ws0">Bachelor of Scienc<span class="_ _2"></span>e </div><div class="t m0 xd h4 y12 ff2 fs2 fc0 sc0 ls3 ws0">in<span class="ls0"> </span></div><div class="t m0 xe h4 y13 ff2 fs2 fc0 sc0 ls0 ws0">Electronics an<span class="_ _2"></span>d Comm<span class="_ _2"></span>unications Engineering </div><div class="t m0 xf h4 y14 ff2 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x10 h4 y15 ff2 fs2 fc0 sc0 ls0 ws0">Faculty of En<span class="_ _2"></span>gineering, Cair<span class="_ _2"></span>o University </div><div class="t m0 x11 h4 y16 ff2 fs2 fc0 sc0 ls0 ws0">Giza, Egy<span class="_ _2"></span>pt </div><div class="t m0 x12 h2 y17 ff1 fs0 fc0 sc0 ls0 ws0">July 2015 </div><div class="t m0 x2 h2 y18 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x2 h2 y19 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x2 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0"> </div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>

<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6264322f4f8811599e3b5a56/bg3.jpg"><div class="t m0 x2 h3 y4 ff1 fs1 fc3 sc0 ls0 ws0">OFDM OVER OPTICAL ACCESS NETWORK <span class="_ _2"></span> <span class="_ _3"></span> <span class="ls4">II</span> | P<span class="_ _0"> </span>a<span class="_"> </span>g<span class="_ _0"> </span>e<span class="_"> </span> </div><div class="t m0 x2 h3 y5 ff1 fs1 fc0 sc0 ls0 ws0"> <span class="_ _4"> </span> <span class="_ _5"> </span> </div><div class="t m0 x2 h5 y1b ff3 fs3 fc3 sc0 ls0 ws0">Contents </div><div class="t m0 x2 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0">Table of Figures<span class="_ _2"></span> <span class="_ _2"></span><span class="ls5">............................................................................................................................<span class="ls0"> <span class="_ _6"></span><span class="ls6">VIII<span class="ls0"> </span></span></span></span></div><div class="t m0 x2 h2 y1d ff1 fs0 fc0 sc0 ls0 ws0">Table of Tables<span class="_ _2"></span> <span class="_ _7"></span><span class="ls5">................................................................................................................................<span class="ls0">. X </span></span></div><div class="t m0 x2 h2 y1e ff1 fs0 fc0 sc0 ls0 ws0"> <span class="_ _8"></span><span class="ls5">.........................................................................................................................................................<span class="ls0"> 2 </span></span></div><div class="t m0 x2 h2 y1f ff1 fs0 fc0 sc0 ls0 ws0">Chapter 1: Introducti<span class="_ _6"></span>on <span class="_ _8"></span><span class="ls5">...................................................................................................................<span class="ls0"> 2 </span></span></div><div class="t m0 x13 h2 y20 ff1 fs0 fc0 sc0 ls0 ws0">1.1 Motivation & pr<span class="_ _6"></span>oject definition <span class="ls5">............................................................................................</span> 2 </div><div class="t m0 x2 h2 y21 ff1 fs0 fc0 sc0 ls0 ws0">1.2 OFDM <span class="_ _7"></span><span class="ls5">.........................................................................................................................................<span class="ls0"> <span class="_ _3"></span>3<span class="_ _2"></span> </span></span></div><div class="t m0 x13 h2 y22 ff1 fs0 fc0 sc0 ls0 ws0">1.2.1 Introduction<span class="_ _2"></span> <span class="_ _9"></span><span class="ls5">........................................................................................................................<span class="ls0"> 3 </span></span></div><div class="t m0 x13 h2 y23 ff1 fs0 fc0 sc0 ls0 ws0">1.2.2. Brief Histor<span class="_ _2"></span>y <span class="_ _9"></span><span class="ls5">................................................................................................<span class="_ _3"></span>.......................<span class="ls0"> 4 </span></span></div><div class="t m0 x13 h2 y24 ff1 fs0 fc0 sc0 ls0 ws0">1.2.1.1 OFDM Advantag<span class="_ _6"></span>es <span class="_ _8"></span><span class="ls5">...........................................................................................................<span class="ls0"> 4 </span></span></div><div class="t m0 x13 h2 y25 ff1 fs0 fc0 sc0 ls0 ws0">1.2.1.2 OFDM disad<span class="_ _2"></span>vantages <span class="_ _7"></span><span class="ls5">.......................................................................................................<span class="ls0"> <span class="_ _3"></span>5<span class="_ _2"></span> </span></span></div><div class="t m0 x13 h2 y26 ff1 fs0 fc0 sc0 ls0 ws0">1.2.2 Orthogonalit<span class="_ _2"></span>y and OFDM <span class="_ _6"></span><span class="ls5">...................................................................................................<span class="ls0"> 6 </span></span></div><div class="t m0 x2 h2 y27 ff1 fs0 fc0 sc0 ls0 ws0">1.3 Block Diagra<span class="_ _2"></span>m <span class="_ _9"></span><span class="ls5">............................................................................................................................<span class="ls0"> <span class="_ _3"></span>6 </span></span></div><div class="t m0 x13 h2 y28 ff1 fs0 fc0 sc0 ls0 ws0">Blocks in details:<span class="_ _2"></span> <span class="_ _a"></span><span class="ls5">..........................................................................................................................<span class="ls0"> 7 </span></span></div><div class="t m0 x13 h2 y29 ff1 fs0 fc0 sc0 ls0 ws0">1.3.1 Modulati<span class="_ _2"></span>on and Demodulation of <span class="_ _2"></span>Data <span class="_ _a"></span><span class="ls5">.............................................................................<span class="ls0"> <span class="_ _3"></span>7 </span></span></div><div class="t m0 x13 h2 y2a ff1 fs0 fc0 sc0 ls0 ws0">1.3.2 Serial to Parall<span class="_ _6"></span>el Converter <span class="_ _9"></span><span class="ls5">................................................................................................<span class="ls0">. 8 </span></span></div><div class="t m0 x13 h2 y2b ff1 fs0 fc0 sc0 ls0 ws0">1.3.3 IFFT/FFT <span class="_ _a"></span><span class="ls5">..............................................................................................................................<span class="ls0"> <span class="_ _3"></span>8 </span></span></div><div class="t m0 x13 h2 y2c ff1 fs0 fc0 sc0 ls0 ws0">1.3.<span class="ff4">4</span> Guard Interval<span class="_ _6"></span> <span class="_ _9"></span><span class="ls5">.....................................................................................................................<span class="ls0"> 8 </span></span></div><div class="t m0 x13 h2 y2d ff1 fs0 fc0 sc0 ls0 ws0">1.3.5 Cyclic Prefix<span class="_ _2"></span> <span class="_ _7"></span><span class="ls5">.........................................................................................................................<span class="ls0"> <span class="_ _3"></span>9 </span></span></div><div class="t m0 x2 h2 y2e ff1 fs0 fc0 sc0 ls0 ws0">Chapter2.1 Intr<span class="_ _2"></span>oduction to WI-<span class="ls7">FI</span> <span class="_ _8"></span><span class="ls5">..................................................................................................<span class="ls0"> <span class="ls8">11</span> </span></span></div><div class="t m0 x13 h2 y2f ff1 fs0 fc0 sc0 ls0 ws0">2.1.1 Introduction<span class="_ _2"></span> <span class="_ _9"></span><span class="ls5">......................................................................................................................<span class="ls0"> <span class="ls8">11</span> </span></span></div><div class="t m0 x13 h2 y30 ff1 fs0 fc0 sc0 ls0 ws0">2.1.2 Brief History<span class="_ _6"></span> <span class="_ _8"></span><span class="ls5">......................................................................................................................<span class="ls0"> <span class="ls8">11</span> </span></span></div><div class="t m0 x13 h2 y31 ff1 fs0 fc0 sc0 ls0 ws0">2.1.3 Frequency and<span class="_ _2"></span> Data Rates <span class="_ _7"></span><span class="ls5">................................................................................................<span class="ls0"> <span class="ls8">11</span> </span></span></div><div class="t m0 x13 h2 y32 ff1 fs0 fc0 sc0 ls0 ws0">2.1.4 Architecture <span class="_ _2"></span>of 802.11<span class="ls5">......................................................................................................</span> <span class="ls8">12</span> </div><div class="t m0 x13 h2 y33 ff1 fs0 fc0 sc0 ls0 ws0">2.1.5 Wireless LAN<span class="_ _2"></span> Compon<span class="_ _2"></span>ents <span class="_ _a"></span><span class="ls5">...............................................................................................<span class="ls0"> <span class="ls8">12</span> </span></span></div><div class="t m0 x13 h2 y34 ff1 fs0 fc0 sc0 ls0 ws0">2.1.6 Range <span class="_ _8"></span><span class="ls5">................................................................................................................................<span class="ls0"> <span class="ls8">13</span> </span></span></div><div class="t m0 x13 h2 y35 ff1 fs0 fc0 sc0 ls0 ws0">2.1.7 Benefits<span class="_ _2"></span> <span class="_ _9"></span><span class="ls5">.............................................................................................................................<span class="ls0"> <span class="ls8">14</span> </span></span></div><div class="t m0 x2 h2 y36 ff1 fs0 fc0 sc0 ls0 ws0">Chapter3. System<span class="_ _2"></span> Explanation <span class="ls5">......................................................................................................</span> <span class="ls8">16</span> </div><div class="t m0 x2 h2 y37 ff1 fs0 fc0 sc0 ls0 ws0">3.1. Block Diagra<span class="_ _2"></span>m <span class="_ _9"></span><span class="ls5">.........................................................................................................................<span class="ls0"> <span class="ls8">16</span> </span></span></div><div class="t m0 x2 h2 y38 ff1 fs0 fc0 sc0 ls0 ws0">3.2. Transmitter<span class="_ _2"></span> Blocks Imp<span class="_ _2"></span>lementation <span class="_ _9"></span><span class="ls5">.......................................................................................<span class="ls0"> <span class="ls8">17</span> </span></span></div><div class="t m0 x13 h2 y39 ff1 fs0 fc0 sc0 ls0 ws0">3.2.1. Scrambler<span class="_ _6"></span> <span class="_ _9"></span><span class="ls5">.........................................................................................................................<span class="ls0"> <span class="ls8">17</span> </span></span></div><div class="t m0 x13 h2 y3a ff1 fs0 fc0 sc0 ls0 ws0">3.2.1.1 Function of<span class="_ _2"></span> Block <span class="_ _8"></span><span class="ls5">...........................................................................................................<span class="ls0"> <span class="ls8">17</span> </span></span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>

<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6264322f4f8811599e3b5a56/bg4.jpg"><div class="t m0 x2 h3 y4 ff1 fs1 fc3 sc0 ls0 ws0">OFDM OVER OPTICAL ACCESS NETWORK <span class="_ _2"></span> <span class="_ _3"></span> <span class="ls4">III</span> | P<span class="_ _0"> </span>a<span class="_"> </span>g<span class="_ _0"> </span>e<span class="_"> </span> </div><div class="t m0 x2 h3 y5 ff1 fs1 fc0 sc0 ls0 ws0"> <span class="_ _4"> </span> <span class="_ _5"> </span> </div><div class="t m0 x13 h2 y3b ff1 fs0 fc0 sc0 ls0 ws0">3.2.1.2 Structure<span class="_ _2"></span> <span class="_ _9"></span><span class="ls5">................................<span class="_ _3"></span>........................................................................................<span class="ls0"> <span class="ls8">18<span class="_ _2"></span><span class="ls0"> </span></span></span></span></div><div class="t m0 x13 h2 y3c ff1 fs0 fc0 sc0 ls0 ws0">3.2.1.3 Descripti<span class="_ _2"></span>on for VHDL C<span class="_ _6"></span>o<span class="_ _3"></span>de fl<span class="_ _6"></span>o<span class="_ _3"></span>w <span class="_ _6"></span>chart<span class="ls5">................................................................<span class="_ _3"></span>...........</span> <span class="ls8">19<span class="_ _6"></span><span class="ls0"> </span></span></div><div class="t m0 x13 h2 y3d ff1 fs0 fc0 sc0 ls0 ws0">3.2.1.4 Post Lay<span class="_ _6"></span>o<span class="_ _3"></span>ut Si<span class="_ _6"></span>mulation <span class="_ _8"></span><span class="ls5">..................................................................................................<span class="ls0"> <span class="ls8">20</span> </span></span></div><div class="t m0 x13 h2 y3e ff1 fs0 fc0 sc0 ls0 ws0">3.2.1.5 Perfor<span class="_ _6"></span>m<span class="_ _3"></span>ance <span class="_ _6"></span>measurement <span class="ls5">..........................................................................................</span> <span class="ls8">20<span class="_ _2"></span><span class="ls0"> </span></span></div><div class="t m0 x13 h2 y3f ff1 fs0 fc0 sc0 ls0 ws0">3.2.2 Encoder <span class="_ _7"></span><span class="ls5">.............................................................................................................................<span class="ls0"> <span class="ls8">21</span> </span></span></div><div class="t m0 x13 h2 y40 ff1 fs0 fc0 sc0 ls0 ws0">3.2.2.1 Introducti<span class="_ _6"></span>o<span class="_ _3"></span>n <span class="_ _7"></span><span class="ls5">...................................................................................................................<span class="ls0"> <span class="ls8">21</span> </span></span></div><div class="t m0 x13 h2 y41 ff1 fs0 fc0 sc0 ls0 ws0">3.2.2.2 Convoluti<span class="_ _6"></span>o<span class="_ _3"></span>nal Cod<span class="_ _6"></span>es <span class="_ _9"></span><span class="ls5">......................................................................................................<span class="ls0"> <span class="ls8">21</span> </span></span></div><div class="t m0 x13 h2 y42 ff1 fs0 fc0 sc0 ls0 ws0">3.2.2.3 Puncturing<span class="_ _2"></span> Convolutional C<span class="_ _2"></span>odes <span class="_ _a"></span><span class="ls5">...................................................................................<span class="ls0"> <span class="ls8">23</span> </span></span></div><div class="t m0 x13 h2 y43 ff1 fs0 fc0 sc0 ls0 ws0">3.2.2.4 Function of the<span class="_ _6"></span> Block <span class="_ _9"></span><span class="ls5">.....................................................................................................<span class="ls0"> <span class="ls8">25</span> </span></span></div><div class="t m0 x13 h2 y44 ff1 fs0 fc0 sc0 ls0 ws0">3.2.2.5 Structure<span class="_ _2"></span> <span class="_ _9"></span><span class="ls5">................................<span class="_ _3"></span>........................................................................................<span class="ls0"> <span class="ls8">25<span class="_ _2"></span><span class="ls0"> </span></span></span></span></div><div class="t m0 x13 h2 y45 ff1 fs0 fc0 sc0 ls0 ws0">3.2.2.6. The VHD<span class="_ _2"></span>L code descrip<span class="_ _2"></span>tion <span class="_ _6"></span><span class="ls5">..........................................................................................<span class="ls0"> <span class="_ _3"></span><span class="ls8">26<span class="_ _6"></span><span class="ls0"> </span></span></span></span></div><div class="t m0 x13 h2 y46 ff1 fs0 fc0 sc0 ls0 ws0">3.2.2.7. Flow char<span class="_ _2"></span>t of the encoder <span class="_ _a"></span><span class="ls5">............................................................................................<span class="ls0"> <span class="ls8">28</span> </span></span></div><div class="t m0 x13 h2 y47 ff1 fs0 fc0 sc0 ls0 ws0">3.4.2.8. Post Lay<span class="_ _6"></span>o<span class="_ _3"></span>ut Si<span class="_ _6"></span>mulation <span class="_ _8"></span><span class="ls5">................................................................................................<span class="ls0">. <span class="ls8">29</span> </span></span></div><div class="t m0 x13 h2 y48 ff1 fs0 fc0 sc0 ls0 ws0">3.2.2.9 Perfor<span class="_ _6"></span>m<span class="_ _3"></span>ance <span class="_ _6"></span>measures <span class="ls5">................................................................................................</span>. <span class="ls8">29</span> </div><div class="t m0 x13 h2 y49 ff1 fs0 fc0 sc0 ls0 ws0">3.2.3 Interleaver<span class="_ _6"></span> <span class="_ _6"></span><span class="ls5">........................................................................................................................<span class="ls0"> <span class="ls8">29</span> </span></span></div><div class="t m0 x13 h2 y4a ff1 fs0 fc0 sc0 ls0 ws0">3.2.3.1. Function of<span class="_ _2"></span> block <span class="_ _a"></span><span class="ls5">..........................................................................................................<span class="ls0"> <span class="ls8">29<span class="_ _2"></span><span class="ls0"> </span></span></span></span></div><div class="t m0 x13 h2 y4b ff1 fs0 fc0 sc0 ls0 ws0">3.2.3.3 Interleav<span class="_ _2"></span>er Implem<span class="_ _2"></span>entation <span class="_ _a"></span><span class="ls5">..........................................................................................<span class="ls0"> <span class="ls8">31</span> </span></span></div><div class="t m0 x13 h2 y4c ff1 fs0 fc0 sc0 ls0 ws0">3.2.3.5 Perfor<span class="_ _6"></span>m<span class="_ _3"></span>ance <span class="_ _6"></span>M<span class="_ _3"></span>ea<span class="_ _6"></span>surement <span class="_ _a"></span><span class="ls5">..........................................................................................<span class="ls0"> <span class="ls8">32</span> </span></span></div><div class="t m0 x13 h2 y4d ff1 fs0 fc0 sc0 ls0 ws0">3.2.4 Mapper <span class="_ _8"></span><span class="ls5">................................................................<span class="_ _3"></span>.............................................................<span class="ls0"> <span class="ls8">32<span class="_ _6"></span><span class="ls0"> </span></span></span></span></div><div class="t m0 x13 h2 y4e ff1 fs0 fc0 sc0 ls0 ws0">3.2.4.1. Function of<span class="_ _2"></span> the block <span class="_ _9"></span><span class="ls5">....................................................................................................<span class="ls0"> <span class="ls8">32</span> </span></span></div><div class="t m0 x13 h2 y4f ff1 fs0 fc0 sc0 ls0 ws0">3.2.4.2 Block diag<span class="_ _2"></span>ram <span class="_ _a"></span><span class="ls5">................................................................................................................<span class="ls0"> <span class="ls8">36</span> </span></span></div><div class="t m0 x13 h2 y50 ff1 fs0 fc0 sc0 ls0 ws0">3.2.4.3 The VHD<span class="_ _2"></span>L Code descrip<span class="_ _6"></span>tio<span class="_ _3"></span>n <span class="_ _9"></span><span class="ls5">................................<span class="_ _3"></span>...........................................................<span class="ls0"> <span class="ls8">37<span class="_ _2"></span><span class="ls0"> </span></span></span></span></div><div class="t m0 x13 h2 y51 ff1 fs0 fc0 sc0 ls0 ws0">3.2.4.4. The Calculat<span class="_ _2"></span>ed I and Q valu<span class="_ _6"></span>es <span class="_ _3"></span>in<span class="_ _2"></span> the mapper <span class="_ _7"></span><span class="ls5">...............................................................<span class="ls0"> <span class="ls8">38</span> </span></span></div><div class="t m0 x13 h2 y52 ff1 fs0 fc0 sc0 ls0 ws0">3.2.4.5. Flow char<span class="_ _2"></span>t for the mapp<span class="_ _2"></span>er <span class="ls5">...........................................................................................</span> <span class="ls8">40</span> </div><div class="t m0 x13 h2 y53 ff1 fs0 fc0 sc0 ls0 ws0">3.2.4.6 Post Lay<span class="_ _6"></span>o<span class="_ _3"></span>ut Si<span class="_ _6"></span>mulation <span class="_ _8"></span><span class="ls5">..................................................................................................<span class="ls0"> <span class="ls8">41</span> </span></span></div><div class="t m0 x13 h2 y54 ff1 fs0 fc0 sc0 ls0 ws0">3.2.4.7 Perfor<span class="_ _6"></span>m<span class="_ _3"></span>ance <span class="_ _6"></span>M<span class="_ _3"></span>ea<span class="_ _6"></span>surement <span class="_ _a"></span><span class="ls5">..........................................................................................<span class="ls0"> <span class="ls8">41</span> </span></span></div><div class="t m0 x13 h2 y55 ff1 fs0 fc0 sc0 ls0 ws0">3.2.5. Framer<span class="_ _2"></span> <span class="_ _6"></span><span class="ls5">.............................................................................................................................<span class="ls0"> <span class="ls8">41</span> </span></span></div><div class="t m0 x13 h2 y56 ff1 fs0 fc0 sc0 ls0 ws0">3.2.5.1. Function of<span class="_ _2"></span> the Block <span class="_ _7"></span><span class="ls5">....................................................................................................<span class="ls0"> <span class="ls8">41</span> </span></span></div><div class="t m0 x13 h2 y57 ff1 fs0 fc0 sc0 ls0 ws0">3.2.5.3 VHDL Des<span class="_ _2"></span>cription <span class="_ _7"></span><span class="ls5">...........................................................................................................<span class="ls0"> <span class="ls8">43</span> </span></span></div><div class="t m0 x13 h2 y58 ff1 fs0 fc0 sc0 ls0 ws0">3.2.5.4. Post Lay<span class="_ _6"></span>o<span class="_ _3"></span>ut Si<span class="_ _6"></span>mulation <span class="_ _8"></span><span class="ls5">................................................................................................<span class="ls0">. <span class="ls8">44</span> </span></span></div><div class="t m0 x13 h2 y59 ff1 fs0 fc0 sc0 ls0 ws0">3.2.5.5. Performan<span class="_ _6"></span>ce measurement <span class="_ _6"></span><span class="ls5">.........................................................................................<span class="_ _3"></span><span class="ls0"> <span class="ls8">44<span class="_ _6"></span><span class="ls0"> </span></span></span></span></div><div class="t m0 x13 h2 y5a ff1 fs0 fc0 sc0 ls0 ws0">3.2.6 FFT/IFFT <span class="_ _a"></span><span class="ls5">............................................................................................................................<span class="ls0"> <span class="ls8">45</span> </span></span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>

<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6264322f4f8811599e3b5a56/bg5.jpg"><div class="t m0 x2 h3 y4 ff1 fs1 fc3 sc0 ls0 ws0">OFDM OVER OPTICAL ACCESS NETWORK <span class="_ _2"></span> <span class="_ _3"></span> <span class="ls4">IV</span> | P<span class="_ _0"> </span>a<span class="_"> </span>g<span class="_ _0"> </span>e<span class="_"> </span> </div><div class="t m0 x2 h3 y5 ff1 fs1 fc0 sc0 ls0 ws0"> <span class="_ _4"> </span> <span class="_ _5"> </span> </div><div class="t m0 x13 h2 y3b ff1 fs0 fc0 sc0 ls0 ws0">3.2.6.1 CFFT core<span class="_ _2"></span> <span class="_ _a"></span><span class="ls5">.......................................................................................................................<span class="ls0"> <span class="ls8">46</span> </span></span></div><div class="t m0 x13 h2 y3c ff1 fs0 fc0 sc0 ls0 ws0">3.2.6.2 Descripti<span class="_ _2"></span>on <span class="ls5">....................................................................................................................</span> <span class="ls8">46</span> </div><div class="t m0 x13 h2 y3d ff1 fs0 fc0 sc0 ls0 ws0">3.2.6.3 Block diag<span class="_ _2"></span>ram <span class="_ _a"></span><span class="ls5">................................................................................................................<span class="ls0"> <span class="ls8">47</span> </span></span></div><div class="t m0 x13 h2 y3e ff1 fs0 fc0 sc0 ls0 ws0">3.2.6.4 Timing<span class="_ _2"></span> <span class="_ _a"></span><span class="ls5">............................................................................................................................<span class="ls0"> <span class="ls8">47</span> </span></span></div><div class="t m0 x13 h2 y3f ff1 fs0 fc0 sc0 ls0 ws0">3.2.6.5 Gain <span class="ls5">...............................................................................................................................</span> <span class="ls8">48</span> </div><div class="t m0 x13 h2 y40 ff1 fs0 fc0 sc0 ls0 ws0">3.2.6.6 Interfacing<span class="_ _2"></span> the CFFT cor<span class="_ _6"></span>e <span class="_ _3"></span>t<span class="_ _6"></span>o<span class="_ _3"></span> th<span class="_ _6"></span>e <span class="_ _3"></span>s<span class="_ _6"></span>ystem<span class="_ _3"></span> <span class="ls5">.......................................................................</span> <span class="ls8">48<span class="_ _2"></span><span class="ls0"> </span></span></div><div class="t m0 x13 h2 y41 ff1 fs0 fc0 sc0 ls0 ws0">3.2.6.7 Structure: <span class="_ _7"></span><span class="ls5">.......................................................................................................................<span class="ls0"> <span class="ls8">49</span> </span></span></div><div class="t m0 x13 h2 y42 ff1 fs0 fc0 sc0 ls0 ws0">3.2.6.8 Post Lay<span class="_ _6"></span>o<span class="_ _3"></span>ut Si<span class="_ _6"></span>mulation <span class="_ _8"></span><span class="ls5">..................................................................................................<span class="ls0"> <span class="ls8">50</span> </span></span></div><div class="t m0 x13 h2 y43 ff1 fs0 fc0 sc0 ls0 ws0">3.2.6.9 Perfor<span class="_ _6"></span>m<span class="_ _3"></span>ance <span class="_ _6"></span>measurements: <span class="_ _9"></span><span class="ls5">........................................................................................<span class="ls0"> <span class="ls8">51</span> </span></span></div><div class="t m0 x13 h2 y44 ff1 fs0 fc0 sc0 ls0 ws0">3.7.2 Cyclic Extensi<span class="_ _6"></span>o<span class="_ _3"></span>n<span class="_ _6"></span> <span class="_ _6"></span><span class="ls5">................................................................................................................<span class="ls0"> <span class="ls8">51</span> </span></span></div><div class="t m0 x13 h2 y45 ff1 fs0 fc0 sc0 ls0 ws0">3.2.7.1 Function of<span class="_ _2"></span> Block <span class="_ _8"></span><span class="ls5">...........................................................................................................<span class="ls0"> <span class="ls8">51</span> </span></span></div><div class="t m0 x13 h2 y46 ff1 fs0 fc0 sc0 ls0 ws0">3.2.7.3 The VHD<span class="_ _2"></span>L code descrip<span class="_ _2"></span>tion <span class="_ _6"></span><span class="ls5">...........................................................................................<span class="_ _3"></span><span class="ls0"> <span class="ls8">52<span class="_ _6"></span><span class="ls0"> </span></span></span></span></div><div class="t m0 x13 h2 y47 ff1 fs0 fc0 sc0 ls0 ws0">3.2.7.4. Flow char<span class="_ _2"></span>t of the cyclic <span class="_ _2"></span>extension block<span class="_ _2"></span>:<span class="ls5">......................................................................</span> <span class="ls8">53</span> </div><div class="t m0 x13 h2 y48 ff1 fs0 fc0 sc0 ls0 ws0">3.2.7.5 Post Lay<span class="_ _6"></span>o<span class="_ _3"></span>ut Si<span class="_ _6"></span>mulation <span class="_ _8"></span><span class="ls5">..................................................................................................<span class="ls0"> <span class="ls8">54</span> </span></span></div><div class="t m0 x13 h2 y49 ff1 fs0 fc0 sc0 ls0 ws0">3.2.7.6 Perfor<span class="_ _6"></span>m<span class="_ _3"></span>ance <span class="_ _6"></span>measurement <span class="ls5">..........................................................................................</span> <span class="ls8">54<span class="_ _2"></span><span class="ls0"> </span></span></div><div class="t m0 x13 h2 y4a ff1 fs0 fc0 sc0 ls0 ws0">3.2.8 Preamble<span class="_ _2"></span> <span class="ls5">..........................................................................................................................</span> <span class="ls8">54</span> </div><div class="t m0 x13 h2 y4b ff1 fs0 fc0 sc0 ls0 ws0">3.2.8.1 Function of<span class="_ _2"></span> the Block <span class="_ _7"></span><span class="ls5">.....................................................................................................<span class="ls0"> <span class="ls8">54</span> </span></span></div><div class="t m0 x13 h2 y4c ff1 fs0 fc0 sc0 ls0 ws0">3.2.8.2. Structure<span class="_ _6"></span> <span class="_ _8"></span><span class="ls5">.......................................................................................................................<span class="ls0"> <span class="ls8">55</span> </span></span></div><div class="t m0 x13 h2 y4d ff1 fs0 fc0 sc0 ls0 ws0">3.2.8.3. Flow char<span class="_ _2"></span>t of the Preamble bloc<span class="_ _2"></span>k <span class="ls5">................................................................................</span> <span class="ls8">55</span> </div><div class="t m0 x13 h2 y4e ff1 fs0 fc0 sc0 ls0 ws0">3.2.8.4 Post Lay<span class="_ _6"></span>o<span class="_ _3"></span>ut Si<span class="_ _6"></span>mulation <span class="_ _8"></span><span class="ls5">..................................................................................................<span class="ls0"> <span class="ls8">56</span> </span></span></div><div class="t m0 x13 h2 y4f ff1 fs0 fc0 sc0 ls0 ws0">3.2.8.5 Perfor<span class="_ _6"></span>m<span class="_ _3"></span>ance <span class="_ _6"></span>measurement <span class="ls5">..........................................................................................</span> <span class="ls8">56<span class="_ _2"></span><span class="ls0"> </span></span></div><div class="t m0 x13 h2 y50 ff1 fs0 fc0 sc0 ls0 ws0">3.3 Receiver Blo<span class="_ _2"></span>cks Implem<span class="_ _2"></span>entation <span class="_ _8"></span><span class="ls5">.........................................................................................<span class="ls0"> <span class="ls8">56</span> </span></span></div><div class="t m0 x13 h2 y51 ff1 fs0 fc0 sc0 ls0 ws0">3.3.1 Packet divider<span class="_ _2"></span> <span class="_ _a"></span><span class="ls5">...................................................................................................................<span class="ls0"> <span class="ls8">56</span> </span></span></div><div class="t m0 x13 h2 y52 ff1 fs0 fc0 sc0 ls0 ws0">3.3.1.1 Structure<span class="_ _2"></span> <span class="_ _9"></span><span class="ls5">................................<span class="_ _3"></span>........................................................................................<span class="ls0"> <span class="ls8">58<span class="_ _2"></span><span class="ls0"> </span></span></span></span></div><div class="t m0 x13 h2 y53 ff1 fs0 fc0 sc0 ls0 ws0">3.3.1.2 Operati<span class="_ _6"></span>o<span class="_ _3"></span>n:<span class="_ _2"></span> <span class="ls5">.....................................................................................................................</span> <span class="ls8">59</span> </div><div class="t m0 x2 h2 y54 ff1 fs0 fc0 sc0 ls0 ws0">Chapter4. Controller I<span class="_ _6"></span>m<span class="_ _3"></span>p<span class="_ _2"></span>lementation <span class="_ _7"></span><span class="ls5">...........................................................................................<span class="ls0"> <span class="ls8">61</span> </span></span></div><div class="t m0 x2 h2 y55 ff1 fs0 fc0 sc0 ls0 ws0">4.1. Transmitter<span class="_ _2"></span> Controller <span class="_ _2"></span>Implementation <span class="_ _7"></span><span class="ls5">.................................................................................<span class="ls0"> <span class="ls8">61</span> </span></span></div><div class="t m0 x13 h2 y56 ff1 fs0 fc0 sc0 ls0 ws0">4.1.1 Introduction<span class="_ _2"></span> <span class="_ _9"></span><span class="ls5">......................................................................................................................<span class="ls0"> <span class="ls8">61</span> </span></span></div><div class="t m0 x13 h2 y57 ff1 fs0 fc0 sc0 ls0 ws0">4.1.2. Data Rates<span class="_ _2"></span> <span class="ls5">.......................................................................................................................</span> <span class="_ _3"></span><span class="ls8">61<span class="_ _6"></span><span class="ls0"> </span></span></div><div class="t m0 x13 h2 y58 ff1 fs0 fc0 sc0 ls0 ws0">4.1.3 Idea of Contr<span class="_ _6"></span>o<span class="_ _3"></span>ller<span class="_ _2"></span> <span class="ls5">.............................................................................................................</span> <span class="ls8">61</span> </div><div class="t m0 x13 h2 y59 ff1 fs0 fc0 sc0 ls0 ws0">4.1.4. Structure <span class="_ _9"></span><span class="ls5">..........................................................................................................................<span class="ls0"> <span class="ls8">62</span> </span></span></div><div class="t m0 x13 h2 y5a ff1 fs0 fc0 sc0 ls0 ws0">4.1.5 VHDL Descripti<span class="_ _6"></span>o<span class="_ _3"></span>n usi<span class="_ _6"></span>ng Flow Chart <span class="_ _8"></span><span class="ls5">..................................................................................<span class="ls0"> <span class="ls8">63</span> </span></span></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>