802.11 (nthawi zina amatchedwa 802.11x, koma osati 802.11X) ndi dzina lachibadwa la banja la miyezo ya ma intaneti opanda waya wokhudzana ndi Wi-Fi .
Chiwembu cha 802.11 chimachokera ku Institute of Electrical and Electronics Engineers (IEEE), amene amagwiritsira ntchito "802" monga dzina la komiti yothandizana ndi Ethernet (IEEE 802.3). "11" amatanthauza gulu la anthu opanda magetsi (WLAN) ogwira ntchito mkati mwa komiti yawo 802.
Malamulo a IEEE 802.11 amatanthauzira malamulo enieni a kulankhulana kwa WLAN. Zomwe zimadziwika bwino pa izi ndi monga 802.11g , 802.11n ndi 802.11ac .
Yoyamba 802.11 Standard
802.11 (popanda chilembo cholembera) chinali chiyero choyambirira mu banja lino, chovomerezedwa mu 1997. 802.11 anakhazikitsa mauthenga a mautumiki apamtundu omwe alibe njira yowonjezera ku Ethernet. Pokhala teknoloji ya m'badwo woyamba, 802.11 anali ndi zolepheretsa zazikulu zomwe zinalepheretsa kuti zisamawoneke pa malonda - chiwerengero cha deta, mwachitsanzo, 1-2 Mbps . 802.11 idapitsidwanso mwamsanga ndipo inagwiritsidwa ntchito mosalekeza mkati mwa zaka ziwiri ndi 802.11a ndi 802.11b .
Chisinthiko cha 802.11
Miyezo yatsopano iliyonse mu banja la 802.11 (omwe nthawi zambiri amatchedwa "kusintha") imalandira dzina ndi makalata atsopano omwe amavomerezedwa. Pambuyo pa 802.11a ndi 802.11b, miyezo yatsopano inalengedwa, mibadwo yotsatizana ya ndondomeko yoyamba ya Wi-Fi inalembedwa motere:
- 802.11g (yowvomerezedwa mu 2003)
- 802.11n (yovomerezedwa mu 2009)
- 802.11ac (yovomerezedwa mu 2013)
Mofanana ndi zosintha izi zazikulu, gulu la ogwira ntchito la IEEE 802.11 linayambitsa ndondomeko yowonjezera yambiri ndi zina. IEEE nthawi zambiri imatchula maina kuti magulu ogwira ntchito asankhidwe m'malo mokwanira. Mwachitsanzo:
- 802.11c - kugwiritsa ntchito maulumikizidwe a mlatho (kusamukira ku 802.1D)
- 802.11d - padziko lonse kutsatira malamulo ogwiritsira ntchito mafoni opanda pake (2001)
- 802.11e - Support Quality ( Service ) (QoS) (2005-2007)
- Malingaliro 802.11F - Inter-Access Point Protocol pofuna kuyankhulana pakati pa malo otha kupeza mwayi othandizira osowa makina (2003)
- 802.11h - kulimbitsa 802.11a kuti zithandizire zofunikira za ku Ulaya (2003)
- 802.11i - kusintha kwa chitetezo cha banja la 802.11 (2004)
- 802.11j - zopititsa patsogolo ku 5 GHz kuwonetsera kuti zithandize Japan malamulo oyenera (2004)
- 802.11k - kasamalidwe ka WLAN
- 802.11l - ananyamulidwa kuti asasokonezeke ndi 802.11i
- 802.11m - kusamalira zolemba za banja la 802.11
- 802.11o - kudumpha
- 802.11p - Kupeza Zopanda Mauthenga kwa Zomwe Zili M'thupi
- 802.11q - kutaya
- 802.11r - chithandizo chozengereza mwamsanga kudzera pa Basic Service Set kusintha
- 802.11s - ESS mesh networking kwa mfundo zofikira
- 802.11T - Kuwonetsera Zopanda Utsi - Malangizi othandizira miyezo ndi maselo
- 802.11u - kugwiritsira ntchito pa intaneti ndi 3G / ma selo ndi mitundu ina ya ma intaneti akunja
- 802.11v - makina osayendetsa opanda makina / makina osakaniza
- 802.11w - Protected Management Frames kukhazikitsa chitetezo
- 802.11x - kudumpha (dzina lachibadwa la banja 802.11)
- 802.11y - Chigwirizano Chotsutsana ndi Zotsutsana ndi Kusokonekera
Buku lovomerezeka la IEEE 802.11 Project Working Timelines lidasindikizidwa ndi IEEE kuti liwonetsetse momwe chikhalidwe chilichonse chosayenerera pakalipano chikuyendera.