IEEE802.11nにおける周波数帯の使い分け

講義での発表資料です。
This is my presentation material of lecture.

Transcript

1. *&&&Oʹ͓͚Δ प೾਺ଳͷ࢖͍෼͚ ৘ใՊֶԠ༻࣮ݧ ແઢωοτϫʔΫ࣮ݧ খٱอ ཯थ Ѫ஌ݝཱେֶ ৘ใՊֶ෦৘ใՊֶՊ ৘ใγεςϜίʔε ը૾ɿ˜UBSBTJFSSB
2. ಋೖ ಺༰ • എܠɾ໨త • 
   ֤प೾਺ଳͷಛ௃ͱར༻͢Δن֨ • 
   ༷ʑͳػث͕ແઢ-"/ʹ઀ଓ • ·ͱΊ • ࣮ݧํ๏ • ࣮ݧ݁Ռ • ݁࿦ɾߟ࡯ ૝ఆ؀ڥʢࢦಋॻ௨Γʣ ωοτϫʔΫͷαΠζ NºN ϫʔΫεςʔγϣϯ $16 ݸɼίΞ .)[ ը૾ɿ˜UBSBTJFSSB
3. എܠɾ໨తʢ̍ʣ֤प೾਺ଳͷಛ௃ͱར༻͢Δن֨ *&&&ͷن֨ͷछྨ ن֨ प೾਺ଳ ࠷େ௨৴଎౓ *&&&B ()[ .CQT *&&&C ()[ .CQT *&&&H ()[ .CQT *&&&O ()[ .CQT ()[ *&&&BD ()[ (CQT ࢀߟɿIUUQTGMFUTXDPNVTFSQPJOUPUPLVLOPXMFEHFXJGJXJGJIUNM ()[ଳͱ()[ଳ ྆ํʹରԠ ଎౓ͷग़΍͢͞ʹ ҧ͍͸͋Δͷ͔ʁ ߲໨ ()[ଳ ()[ଳ ো֐෺ ௨ա͠΍͍͢ ௨ա͠ʹ͍͘ ి೾ׯব ى͜Γ΍͍͢ ى͜Γʹ͍͘ ར༻Ͱ͖Δػث ଟ͍ গͳ͍ ଞͷػث΍؀ڥͷӨڹ͕͋Δ৔߹ ଎౓ʹӨڹ ࢀߟɿIUUQXXXUBOVNBODPNBSDIJWFT Өڹ͕গͳ͍৔߹͸ʁ
4. എܠɾ໨తʢ̎ʣ༷ʑͳػث͕ແઢ-"/ʹ઀ଓ ΞΠίϯૉࡐ<ϧʔλ>ɿIUUQTTP[BJDNBOKQ ΞΠίϯૉࡐ<ϧʔλҎ֎>ɿ˜5PQFDPO)FSPFT ()[ ()[ ()[ ()[ ()[ ()[ ()[ ()[ ()[ ()[ ()[ ()[ ()[ ()[ ()[ ()[ ()[ ()[ ()[ ແઢ-"/ϧʔλ ߴ଎ʹ௨৴͍ͨ͠ ௿଎Ͱ΋ྑ͍ ()[͔͠࢖͑ͳ͍ ྆ํ࢖͑Δ ༷ʑͳػث͕ແઢ-"/ʹ઀ଓ ೋͭͷप೾਺ଳ͕ࠞࡏ ͏·͘ৼΓ෼͚ͨΒ ߴ଎ʹ࢖͑Δͷ͔ʁ
5. എܠɾ໨త r ·ͱΊ ᶗ
   ֤प೾਺ଳͰ଎౓ͷग़΍͢͞ʹҧ͍͸͋Δͷ͔ ֤प೾਺ଳʹ͸ಛੑ͕͋Γɼػث΍؀ڥʹΑͬͯ͸଎౓ʹӨڹ͢Δ ᶘ
   प೾਺ଳͷҟͳΔ௨৴͕ࠞࡏ͢Δ৔߹ɼৼΓ෼͚ͨํ͕ྑ͍ͷ͔ ωοτϫʔΫ௨৴Λߦ͏ػثͷ૿ՃʹΑΓҟͳΔप೾਺ͷి೾͕ଟࠞ͘ࡏ͢Δঢ়گ΁ ΞΠίϯૉࡐɿ˜5PQFDPO)FSPFT
6. ड৴ϊʔυ ૹ৴ϊʔυ ૹ৴ϊʔυ ࣮ݧํ๏ ࣮ݧ൪߸ ࠨάϧʔϓ ӈάϧʔϓ /P ()[ ()[ /P ()[ ()[ /P ()[ ()[ ߲໨ ஋ ύέοτ౸ணִؒ ඵ ύέοταΠζ CJU ύϥϝʔλઃఆ εϧʔϓοτͱ࠶ૹճ਺Λൺֱ ࠨάϧʔϓ ӈάϧʔϓ
7. ࣮ݧ݁Ռ                                      εϧʔϓοτʢCJUඵʣ ࠶ૹճ਺ʢճʣ ԣɿܦա࣌ؒʢඵʣ ᶃ()[  ᶄ()[  ᶅ()[
   
   ()[ ฏۉ஋ ᶃ()[   ᶄ()[   ᶅ()[ ()[  εϧʔϓοτ ฏۉ஋ ᶃ()[   ᶄ()[   ᶅ()[ ()[  ࠶ૹճ਺
8. ݁࿦ɾߟ࡯ ᶗ
   ֤प೾਺Ͱͷ଎౓ͷҧ͍ ᶘ
   प೾਺ଳͷҟͳΔ௨৴ͷӨڹ (I[ଳͷํ͕଎͍͕ େ͖ͳࠩ͸ग़ͳ͍ εϧʔϓοτ͸()[ ͷํ͕ฏۉత ʹ͸͔ᷮʹߴ͍ ॴʑ()[ ͷํ͕ߴ͍Օॴ͕ଘࡏ पΓͷ؀ڥɼ୺຤ͷํ͕ ଎౓ʹେ͖͘Өڹ͢ΔͱࢥΘΕΔ ࠶ૹճ਺͸()[ ͷํ͕ৗʹଟ͍ εϧʔϓοτ͕໿ഒͱେ͖͘޲্ ()[ ͱ()[ Λൺֱͯ͠ŋŋŋ ࠶ૹճ਺͕໿ͱେ͖͘ݮগ ()[ ()[Λ ()[ ɼ()[ ͱൺֱͯ͠ŋŋŋ ҟͳΔप೾਺Λ૊Έ߹ΘͤΔͱ ௨৴͕εϜʔζʹͳΔ ֤άϧʔϓ͕௨৴ʹ࢖༻͢Δप೾਺ଳ͕ҟͳΔͷͰ ͓ޓ͍ͷ௨৴ͷӨڹΛड͚ͣʹࡁΜͩ ԿͰ΋ಉ͡प೾਺ଳΛ༻͍ͯ௨৴͢ΔͷͰ͸ແ͘ ֤ػثຖʹద੾ͳप೾਺ଳΛ࢖༻ͤ͞
   ෼ࢄͤ͞Δͱྑ͍ ΞΠίϯૉࡐɿ˜5PQFDPO)FSPFT
9. &/%