Ukubukeka komlando ebuchwepheshe be-Wi-Fi
I-802.11g yi- IEEE ejwayelekile ye-Wi-Fi yokuxhumana nenethiwekhi yobuchwepheshe . Njengezinye izinguqulo ze- Wi-Fi , i-802.11g (ngezinye izikhathi ezibizwa ngokuthi "G") isekela ukuxhumana kwenethiwekhi yendawo yangaphandle (WLAN) phakathi kwamakhompyutha, ama-router broadband , namanye amadivaysi amaningi omthengi.
I-G yamukelwe ngoJuni ka-2003, futhi yashintsha izinga eliphakeme le- 802.11b ("B"), ekugcineni lafakwa esikhundleni se- 802.11n ("N") namazinga amasha.
Ukushesha Kanjani Kuyi-802.11g?
I-802.11g I-Wi-Fi isekela ukuphakama komkhawulo wesiphequluli se-54 Mbps , ephakeme kakhulu kunezinga elilinganiselwa ku-11 Mbps le-B futhi lilinganiselwe kakhulu kunezingu-150 Mbps noma ngesivinini esikhulu se-N.
Njengezinye izinhlobo eziningi zokuxhumana, uG akakwazi ukufeza isilinganiso esiphezulu ekusebenzeni; Ukuxhumeka kwe-802.11g ngokuvamile kushaya umkhawulo wamanani wokudluliswa kwedatha phakathi kwesicelo esingu-24 Mbps no-31 Mbps (ne-bandwidth esele yenethiwekhi esetshenziswe yizintambo eziningi zokuxhumana).
Bheka Ukuthi Ukushesha Ukuxhumana Kwama-Wi-Fi ku-802.11g? ukuze uthole olunye ulwazi.
Isebenza kanjani 802.11g
G ufake inqubo yokuxhumana yomsakazo ebizwa nge- Orthogonal Frequency Division Multiplex (OFDM) eyayiqalelelwa ku-Wi-Fi nge- 802.11a ("A"). Ubuchwepheshe be-OFDm kwenza i-G (no-A) bakwazi ukufeza ukusebenza okukhulu kwenethiwekhi kune-B.
Ngakolunye uhlangothi, i-802.11g yamukela u-2.4 GHz uhla lwezingxube zokuxhumana ekuqaleni olwethulwe ku-Wi-Fi nge-802.11b. Ukusebenzisa le mvamisa inikeze amadivayisi we-Wi-Fi ibanga lesignali elikhulu kunelokho A anganikeza khona.
Kuneziteshi ezingu-14 ezenzekayo ezingaba ngu-802.11g, nakuba ezinye zingekho emthethweni kwamanye amazwe. Ama frequency kusuka kwesiteshi 1-14 uhla phakathi kuka 2.412 GHz kuya ku-2.484 GHz.
I-G yayenzelwe ngokukhethekile ukuhambisana kokuhamba. Lokho kusho ukuthi amadivayisi angajoyina amanethiwekhi angenantambo ngisho nalapho iphuzu lokufinyelela elingenazintambo liqhuba inguqulo ehlukile ye-Wi-Fi. Ngisho nemishini engu- 802.11ac entsha ye-Wi-Fi namuhla ingase isekele uxhumano kusuka kumakhasimende we-G usebenzisa lezi zindlela ezifanayo ze-2.4 GHz zokusebenza.
I-802.11g ye-Home Networking nokuhamba
Imikhiqizo eminingi namamodeli we-computer laptops namanye amadivaysi e-Wi-Fi akhiqizwa ama-radios e-Wi-Fi asekela i-G. Njengoba ihlanganisa ezinye zezinto ezinhle kakhulu ze-A no-B, i-802.11g yaba yizinga eliphezulu kakhulu le-Wi-Fi ngesikhathi Ukwamukelwa kwezixhumanisi zasekhaya kuqhuma emhlabeni jikelele.
Amanethiwekhi amaningi asekhaya namuhla asebenza ngokusebenzisa ama-router angu-802.11g . Ku-54 Mbps, lawa ma-routers angakwazi ukuhambisana nokuxhumeka kwe-intanethi ye-intanethi yasemakhaya ehlanganisa ukuhanjiswa kwevidiyo okuyisisekelo kanye nokusetshenziswa kokudlala kwe-intanethi.
Zingatholakali ngokungazithengi ngezohwebo zombili zokudayisa nezokuthengisa. Noma kunjalo, amanethiwekhi we-G angafinyelela emkhawulweni wokusebenza ngokushesha lapho amadivaysi amaningi axhunyiwe futhi ngesikhathi esisodwa asebenzayo, kodwa lokhu kuyiqiniso kunoma iyiphi inethiwekhi esetshenziswa ngamadivayisi amaningi kakhulu .
Ngaphezu kwama-G routers oklanyelwe ukufakwa okuhleliwe emakhaya, ama-router angu-802.11g aphinde athola ukuthandwa kakhulu nabasebenzi bezamabhizinisi nemikhaya edingeka ukuhlanganyela uxhumano olulodwa oluxhunyiwe lwe- Ethernet phakathi kwamadivayisi abo angenantambo.
I-G (nezinye i-N) zokuhamba ezihambayo zingatholakala ezitolo zokuthengisa kodwa ziye zavame kakhulu njengoba ihhotela nezinye izinsiza zomphakathi ze-intanethi zisuka ku-Ethernet kuya ezindaweni zokungenazintambo ezingenantambo ,