802.11n yana buƙatar bayanin daban. A halin yanzu, babban kasuwa yana amfani da wannan ka'ida don watsa WiFi.
802.11n ka'idodin watsawa mara waya ne. Fasaha ce ta zamani. Bayyanar sa yana sa adadin cibiyoyin sadarwa mara waya ya karu sosai. Domin inganta ƙa'idodin hanyar sadarwa mara igiyar waya guda biyu da suka gabata, gami da haɓaka hanyar sadarwa da ƙarancin zirga-zirga na 802.11a da 802.11g.
Matsakaicin saurin watsa shi shine 600 Mbit/s a ka'idar, amma ba zai iya kaiwa irin wannan babban saurin a aikace ba saboda yanayin muhalli da ƙira. Idan aka kwatanta da 54bit/s na baya, an inganta shi sosai kuma za a ƙara nisan watsawa.
Ƙungiyar aiki ta IEEE 802.11 ta kafa ƙungiyar bincike mai girma (HT) a cikin 2002 don tsara sabon tsarar ƙididdiga, kuma ta ƙaddamar da ƙa'idar 802.11n bisa ga MIMO-OFDM a 2009. Abu mafi mahimmanci shi ne cewa ya sami nasara. cikin darajar.
802.11 yana ɗaukar sabbin fasahohi da yawa, waɗanda ke kawo wa masu amfani sabon yankin gogewa. A karkashin wannan yarjejeniya, masana'antar WLAN ta haɓaka sosai, kuma manufar WiFi ta sami tushe. Har zuwa yanzu, ana amfani da babban adadin tashoshi 802.11n a cikin hanyar sadarwa.
Fasahar 802.11n ta fahimci babban bandwidth kuma yana kawo mafi girman yanayin aikace-aikacen zuwa WiFi.
802.11n ya kawo sabbin fasahohi da yawa. A cikin 802.11n, kayan aikin fasaha na WLAN ya inganta sosai ta hanyar haɗa haɓakawa na Layer na jiki da MAC Layer. MIMO ƙira ta hanyar fasahar Layer na zahiri yana da matukar mahimmanci. MIMO-OFDM 40MHz da gajeriyar fasahar GI ana amfani da su don haɓaka kayan aikin Layer na zahiri zuwa 600mbps.
GI yana nufin cewa, saboda tasirin tasirin multipath, za a watsa bayanai ta hanyoyi da yawa, wanda zai iya yin karo da juna kuma ya haifar da tsangwama. Don haka, ma'auni na 802.11a/g yana buƙatar cewa lokacin aika alamun bayanai, dole ne a sami tazara tsakanin 0.8us tsakanin alamomin bayanai, wanda ake kira tazarar gadi.
Bugu da ƙari, haɓaka haɓakar ƙirar jiki, 802.11n kuma yana haɓaka ƙirar yarjejeniya ta MAC, ta amfani da toshe ACK, haɓakar firam, da sauran fasahohi, waɗanda ke haɓaka haɓakar MAC sosai. Layer na zahiri ne kawai aka inganta idan ba a inganta ka'idar Layer MAC ba. Yana kama da gina hanya mai faɗi, amma har yanzu ba ta da sauri ba tare da kyakkyawan tsarin layi ba.
Abin da ke sama shine bayanin ilimin ieeee802.11n da ya kawo mukuShenzhen HDV Phoelectron Technology Co., Ltd. fatan wannan labarin zai iya taimaka muku don ƙara ilimin ku. Bayan wannan labarin idan kuna neman ingantaccen kamfanin kera kayan sadarwar fiber na gani za ku iya la'akari da sugame da mu.
Kayayyakin sadarwar da kamfanin ke samarwa sun hada da:
Module:na gani fiber modules, Ethernet modules, na gani fiber transceiver modules, na gani fiber damar kayayyaki, SSFP Optical modules, kumaSFP Optical fibers, da dai sauransu.
ONUcategory:EPON ONU, AC ONU, fiber optic ONU, CATV ONU, GPON ONU, XPON ONU, da dai sauransu.
OLTaji:Canji a farashin OLT, Farashin GPON OLT, Farashin EPON OLT, sadarwaOLT, da dai sauransu.
Samfuran da ke sama zasu iya tallafawa yanayin cibiyar sadarwa daban-daban. Don samfuran da ke sama, ƙwararrun ƙwararrun ƙungiyar R&D masu ƙarfi an haɗa su don ba da tallafin fasaha ga abokan ciniki, kuma ƙungiyar kasuwanci mai tunani da ƙwararrun za ta iya samar da ayyuka masu inganci ga abokan ciniki da wuri.shawarakuma daga baya aiki.