802.11ac daidai ne don sadarwar waya mara waya ta Wi-Fi fiye da daidaitattun 802.11n na baya. Komawa zuwa asali na asali na 802.11 da aka bayyana a baya a shekarar 1997, 802.11ac ya wakiltar 5th generation of Wi-Fi fasaha. Idan aka kwatanta da 802.11n da wadanda suke gaba, 802.11ac na samar da mafi kyawun hanyar sadarwa da karfin aiki ta hanyar matattun kayan aiki da na'ura mai mahimmanci.
Tarihi na 802.11ac
Ci gaban fasaha na 802.11ac ya fara a 2011. Yayin da aka kammala daidaituwa a karshen shekarar 2013 kuma an amince da ita a ranar 7 ga watan Janairu, 2014, samfurori da aka samo asali na asali na farko na daidaito sun bayyana a baya.
802.11ac Bayanan fasaha
Don kasancewa gagarumar kwarewa a masana'antu da kuma tallafawa ƙara aikace-aikace na kowa kamar labaran bidiyon da ke buƙatar haɗin kai, 802.11ac aka tsara don yin irin wannan Gigabit Ethernet . Lalle ne, 802.11ac yana bada cikakkun bayanai na bayanai har zuwa 1 Gbps . Yana yin haka ta hanyar haɗuwa da kayan haɓaka mara waya, musamman:
- tashoshi da suke amfani da fadada mafi girma (fadada) fadin alamun alamar, kuma
- yafi yawan radiyoyin MIMO da antennas don ba da damar sauƙaƙe
802.11ac yana aiki a cikin tashar alama 5 GHz ba kamar sauran ƙarnin da suka gabata na Wi-Fi da ke amfani da tashoshi 2.4 GHz ba. Masu zanen 802.11ac sunyi wannan zabi don dalilai guda biyu:
- don kauce wa batutuwan rashin tsangwama na waya ba tare da izini ga 2.4 GHz kamar sauran na'urori masu amfani ba don amfani da waɗannan ƙananan hanyoyi (saboda hukunce-hukuncen hukumomi)
- don aiwatar da tashoshin sigina masu zurfi (kamar yadda aka ambata a sama) fiye da 2.4 GHz sararin samaniya
Don ci gaba da jituwa tare da tsofaffi na Wi-Fi, na'urori na hanyar sadarwa mara waya ta 802.11ac sun haɗa da goyon bayan yarjejeniya ta 802.11n-style 2.4 GHz.
Wani sabon alama na 802.11ac da aka kira ƙaddamarwa an tsara shi don ƙara haɓakar Wi-Fi a cikin yankunan da suka fi yawa. Fahimcin fasaha yana bada sauti na Wi-Fi don ƙaddamar da sigina a cikin takamaiman jagorancin antennas karɓa maimakon yada sigina a cikin 180 ko 360 digiri kamar yadda radios na gargajiya suke yi.
Ƙaddamarwa yana ɗaya daga cikin jerin fasalullan da 802.11ac suka tsara a matsayin zaɓi, tare da tashoshin sigina na biyu (160 MHz a maimakon 80 MHz) da kuma wasu abubuwa masu ban mamaki.
Batutuwa tare da 802.11ac
Wasu masu sharhi da masu amfani sun kasance masu shakka game da amfanin da aka samu na 802.11ac. Mutane da yawa masu amfani ba su inganta hanyar sadarwar su ta atomatik daga 802.11g zuwa 802.11n ba, alal misali, kamar yadda tsofaffin ɗalibai suke biyan bukatu na ainihi. Don jin dadin amfanin da ake yi da cikakkun ayyuka na 802.11ac, na'urorin dake iyaka biyu na haɗi dole ne su goyi bayan sabon tsarin. Yayin da masu amfani da 802.11ac suka shiga kasuwar da sauri , zaku iya samun damar shiga cikin wayoyin hannu da kwamfyutocin kwamfyutan.