2.4GWiFi Porotokole

2.4GWiFi ikorera mumurongo wa 2.4GHz, hamwe numurongo wa 2400-2483.5MHz. Ibipimo nyamukuru byakurikijwe ni IEEE802.11b / g / n igipimo cyateguwe n'Ikigo gishinzwe amashanyarazi na Electronics (IEEE). Hasi, tuzatanga intangiriro irambuye kuri aya mahame:

• IEEE802.11 ni umuyoboro udafite aho uhurira numuyoboro wambere wambere wateguwe na IEEE, ukoreshwa cyane mugukemura uburyo butagikoreshwa kubakoresha no gutumanaho kubakoresha mubiro no mubigo byikigo. Ubucuruzi bugarukira cyane cyane ku kubona amakuru, kandi umuvuduko ntarengwa ushobora kugera kuri 2Mb / s gusa. Bitewe nuko IEEE 802.11 idashoboye guhaza ibyo abantu bakeneye mubijyanye n'umuvuduko nintera yoherejwe, iri koranabuhanga ryarashaje.

• IEEE802.11b isanzwe, izwi kandi nka tekinoroji yo kwizerwa idafite umugozi, ikoresha umurongo wa 2.4GHz wubusa uzwi ku rwego mpuzamahanga ku buryo butaziguye, ukwirakwiza umurongo wa 83.5MHz hamwe n’igipimo ntarengwa cyo kohereza amakuru kuri 11Mbps. Ikwirakwizwa ryikwirakwizwa ridafite umurongo rigera kuri metero 300 hanze na metero 100 mu nzu nta mbogamizi, bityo rikaba ariryo rikoreshwa cyane muri protokole yohereza muri iki gihe.

• IEEE802.11g nigipimo cyimvange gihuza na gakondo 802.11b kandi gitanga igipimo cyo kohereza amakuru ya 11Mbps kumasegonda kuri 2.4GHz. Ikoresha tekinoroji yongerewe imbaraga nkuburyo bubiri bundling, byongera umurongo wa terefone itagendanwa kugeza kuri 108Mbps kandi birashobora gutanga TCP / IP nyayo ya 80 kugeza 90Mbps.

• IEEE802.11n ikoresha MIMO (Multiple In Multiple Out) na OFDM (Orthogonal Frequency Division Multiplexing) ikoranabuhanga, rishobora kongera umuvuduko wogukwirakwiza WLAN kuva kuri 54Mbps itangwa na 802.11a na 802.11g kugeza kuri 108Mbps, cyangwa kugeza kuri 600Mbps, cyangwa, kugeza kuri 600Mbps, na, Irashobora gushyigikira amajwi yo mu rwego rwo hejuru no kohereza amashusho.