802.11n iyenera kufotokozedwa mosiyana.Pakadali pano, msika wamba umagwiritsa ntchito protocol iyi pakufalitsa kwa WiFi.
802.11n ndi protocol yolumikizira yopanda zingwe.Ndi ukadaulo wopanga epoch.Maonekedwe ake amapangitsa kuti kuchuluka kwa ma network opanda zingwe kuchuluke kwambiri.Pofuna kukonza mfundo ziwiri zam'mbuyomu zopanda zingwe, kuphatikiza kukhathamiritsa kwa netiweki ndi zofooka zamagalimoto za 802.11a ndi 802.11g.
Kuthamanga kwake kwakukulu ndi 600 Mbit / s m'lingaliro, koma sikungathe kufika pa liwiro lapamwamba kwambiri chifukwa cha chilengedwe ndi mapangidwe.Poyerekeza ndi yapita 54mbit/s, izo kwambiri bwino ndi kufala mtunda nawonso ziwonjezeke.
Gulu logwira ntchito la IEEE 802.11 linakhazikitsa gulu lofufuza lapamwamba kwambiri (HT) mu 2002 kuti likhazikitse mbadwo watsopano wa miyezo, ndikulengeza muyeso wa 802.11n potengera MIMO-OFDM mu 2009. mu mlingo.
802.11 imagwiritsa ntchito matekinoloje atsopano angapo, omwe mwachidziwitso amabweretsa ogwiritsa ntchito malo atsopano.Pansi pa protocol iyi, makampani a WLAN adakula kwambiri, ndipo lingaliro la WiFi lazika mizu.Mpaka pano, ma terminals ambiri a 802.11n akugwiritsidwabe ntchito pa intaneti.
Ukadaulo wa 802.11n umazindikira bandwidth yayikulu ndipo umabweretsa mawonekedwe ochulukirapo a WiFi.
802.11n yabweretsa matekinoloje atsopano ambiri.Mu 802.11n, kutulutsa kwaukadaulo wa WLAN kumakhala bwino pophatikiza kukhathamiritsa kwa gawo lakuthupi ndi gawo la MAC.MIMO yopangidwa ndi ukadaulo wosanjikiza wakuthupi ndiyofunikira kwambiri.MIMO-OFDM 40MHz ndi ukadaulo waufupi wa GI umagwiritsidwa ntchito kukonza machulukidwe amthupi mpaka 600mbps.
GI imatanthawuza kuti, chifukwa cha chikoka cha multipath effect, chidziwitso chidzafalitsidwa kudzera munjira zingapo, zomwe zingagwirizane wina ndi mzake ndikuyambitsa kusokoneza kwa intersymbol.Pachifukwa ichi, muyezo wa 802.11a / g umafuna kuti potumiza zizindikiro za chidziwitso, payenera kukhala nthawi ya 0.8us pakati pa zizindikiro za chidziwitso, zomwe zimatchedwa nthawi ya alonda.
Kuphatikiza pa kukhathamiritsa kwapang'onopang'ono, 802.11n imakulitsanso gawo la protocol ya MAC, pogwiritsa ntchito block ACK, kuphatikiza chimango, ndi matekinoloje ena, omwe amathandizira kwambiri MAC.Gawo lokhalo lokhalokha lomwe limakometsedwa ngati protocol ya MAC sinakonzedwe bwino.Zili ngati kumanga msewu waukulu, komabe sikuthamanga popanda kukonzekera bwino.
Zomwe zili pamwambazi ndizofotokozera za ieee802.11n zomwe zabweretsedwa kwa inuMalingaliro a kampani Shenzhen HDV Phoelectron Technology Co., Ltd.ndikukhulupirira kuti nkhaniyi ingakuthandizeni kukulitsa chidziwitso chanu.Kupatula nkhaniyi ngati mukuyang'ana kampani yabwino yopanga zida zoyankhulirana zama fiber zomwe mungaganizirezambiri zaife.
Zinthu zoyankhulirana zopangidwa ndi kampaniyi zikuphimba:
Module:Optical fiber modules, Ethernet modules, Optical fiber transceiver modules, optical fiber access modules, SSFP Optical modules,ndiSFP kuwala ulusi, ndi zina.
Gulu la ONU:EPON ONU, AC ONU, Optical fiber ONU, CATV ONU, GPON ONU, XPON PA, ndi zina.
kalasi ya OLT:Kusintha kwa mtengo wa OLT, Mtengo wa GPON OLT, EPON OLT, kulankhulana OLT, etc.
Zomwe zili pamwambazi zimatha kuthandizira zochitika zosiyanasiyana zapaintaneti.Pazinthu zomwe zili pamwambazi, gulu la akatswiri komanso lamphamvu la R & D limaphatikizidwa kuti lipereke chithandizo chaukadaulo kwa makasitomala, ndipo gulu loganiza bwino komanso laukadaulo litha kupereka chithandizo chapamwamba kwambiri kwa makasitomala oyambirira.kukambilanandipo kenako ntchito.