WiFi bụ ọkọlọtọ mpaghara mpaghara ikuku ikuku nke mba ụwa (WLAN), aha zuru oke Ikuku Fidelity, makwaara dị ka ọkọlọtọ IEEE802.11b. WiFi dabeere na IEEE802.11 protocol, nke e bipụtara na 1997, kọwaa WLAN MAC oyi akwa na anụ ahụ oyi akwa ụkpụrụ. N'ịgbaso protocol 802.11, ewebatala ọtụtụ nsụgharị, ndị kachasị ahụkarị bụ IEEE802.11a, IEEE802.11b, IEEE802.11g, na IEEE802.11n.
Ngwakọta sistemụ WiFi:
WiFi bụ iji teknụzụ nkwukọrịta ikuku jikọọ ngwaọrụ kọmputa
Njirimara dị mkpa nke WiFi LAN: anaghịzi eji eriri nkwukọrịta jikọọ kọmputa na netwọkụ,
Topology netwọkụ:
Enwere ike ijikọ WiFi site na topologies netwọk dị iche iche, na nchọpụta ya na ịnweta netwọk nwekwara ihe ọ chọrọ na usoro nke ya. Netwọk ikuku WiFi gụnyere ụdị topology abụọ: akụrụngwa na Ad-hoc.
Echiche isi abụọ dị mkpa:
Ọdụ (STA): Akụkụ kachasị mkpa nke netwọkụ ahụ, ọdụ ụgbọ mmiri ọ bụla ejikọrọ na netwọk ikuku (dị ka laptọọpụ, PDA na ngwaọrụ ndị ọzọ nwere ike ịkparịta ụka), enwere ike ịkpọ saịtị. Ikuku Access Point (AP): Onye okike nke netwọk ikuku na etiti etiti nke netwọkụ. Nkezi rawụta ikuku ejiri n'ụlọ ma ọ bụ ụlọ ọrụ nwere otu AP.
Ihe dị n'elu bụ Shenzhen HDV Phoelectron Technology Ltd. iji wetara ndị ahịa banyere "WIFI technology Overview" okwu mmeghe, na ụlọ ọrụ anyị bụ a pụrụ iche mmepụta nke ngwa anya netwọk emepụta, ngwaahịa ndị metụtara bụ.ONUusoro (OLT ONU/ACONU/CATVONU/GPONONU/ XPONONU), Usoro modul ngwa anya (modul optical fiber modul / Ethernet optical fiber modul / SFP ngwa anya modul),OLTusoro (OLTakụrụngwa /OLT ịgbanwee/ nwamba anyaOLT), wdg, enwere nkọwa dị iche iche nke ngwaahịa nkwukọrịta maka mkpa nke ọnọdụ dị iche iche maka nkwado netwọkụ, nabata ịkpọtụrụ.