WiFi misali ne na ƙasa da ƙasa mara waya ta gida (WLAN), cikakken suna Wireless Fidelity, kuma aka sani da IEEE802.11b misali. WiFi asali ya dogara ne akan IEEE802.11 yarjejeniya, wanda aka buga a 1997, ma'anar WLAN MAC Layer da ka'idojin Layer na jiki. Bayan ka'idar 802.11, an gabatar da nau'o'i da yawa, mafi yawanci sune IEEE802.11a, IEEE802.11b, IEEE802.11g, da IEEE802.11n.
Tsarin tsarin WiFi:
WiFi shine amfani da fasahar sadarwa mara waya don haɗa na'urorin kwamfuta
Muhimman halaye na WiFi LAN: daina amfani da igiyoyin sadarwa don haɗa kwamfutoci zuwa hanyar sadarwa,
Cibiyar sadarwa topology:
Ana iya haɗa WiFi ta hanyar hanyoyin sadarwa daban-daban, kuma ganowar sa da hanyar sadarwar sa yana da nasa buƙatu da matakai. Cibiyoyin sadarwa mara waya ta WiFi sun haɗa da nau'ikan topology iri biyu: Kayayyakin aiki da Ad-hoc.
Abubuwa biyu masu mahimmanci na asali:
Tasha (STA): Mafi mahimmancin ɓangaren hanyar sadarwa, kowane tashar da aka haɗa zuwa cibiyar sadarwar mara waya (kamar kwamfutar tafi-da-gidanka, PDAs da sauran na'urorin masu amfani waɗanda za a iya haɗa su), ana iya kiran su shafin. Wireless Access Point (AP): Mahaliccin hanyar sadarwa mara waya da tsakiyar kumburin hanyar sadarwa. Matsakaicin na'ura mai ba da hanya tsakanin hanyoyin sadarwa da ake amfani da ita a cikin gida ko ofis yana da AP guda ɗaya.
Na sama shi ne Shenzhen HDV Phoelectron Technology Ltd. don kawo abokan ciniki game da "WIFI fasaha Overview" gabatarwa labarin, kuma mu kamfanin ne na musamman samar da Tantancewar cibiyar sadarwa masana'antun, da kayayyakin da hannu su ne.ONUjerin (OLT ONU/ACONU/CATVONU/GPONONU/XPONONU), Jerin abubuwan gani na gani (modul fiber na gani / module fiber Optical module / SFP Optical module),OLTjerin (OLTkayan aiki /OLT canza/kashin ganiOLT), da dai sauransu, akwai nau'o'i daban-daban na samfurori na sadarwa don bukatun yanayi daban-daban don tallafin cibiyar sadarwa, maraba don tuntuɓar.