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    Gabatarwa zuwa Ma'aunin Calibration na WiFi

    Lokacin aikawa: Dec-22-2022

    Kayayyakin WiFi suna buƙatar mu da hannu don aunawa da cire bayanan ikon WiFi na kowane samfur, don haka nawa kuka sani game da sigogin daidaitawar WiFi, bari in gabatar muku:

    WiFi

    1. Ƙarfin watsawa (TX Power): yana nufin ikon aiki na eriya mai watsawa na samfurin mara waya, naúrar ita ce dBm.Ƙarfin watsawa mara waya yana ƙayyade ƙarfi da nisa na siginar mara waya, mafi girman ƙarfin, siginar yana da ƙarfi.A cikin ƙirar samfuri mara waya, koyaushe za a sami ikon da aka yi niyya a matsayin tushen ƙirar mu.A ƙarƙashin yanayin gamsar da allon bakan da EVM, mafi girman ƙarfin watsawa, mafi kyawun aikin.
    2. Karɓi hankali (RX Sensitivity): Ma'auni wanda ke kwatanta aikin karɓar DUT.Ingantacciyar fahimtar karɓuwa, mafi yawan sigina masu amfani da yake karɓa, kuma mafi girman ɗaukar hoto.Lokacin gwada hankalin karɓa, yi samfurin a cikin yanayin karɓa, yi amfani da na'urar daidaitawa ta WiFi don aika takamaiman fayil ɗin waveform, kuma samfurin zai karɓi shi, kuma matakin ƙarfin da aka aiko ana iya canza shi akan na'urar daidaitawa ta WiFi har sai fakitin samfurin. Adadin kuskure (PER%) ya dace da ma'auni.
    3. Kuskuren Mitar (Kuskuren Mitar): Yana wakiltar karkatar da siginar RF daga tsakiyar tashar tashar inda siginar take, a cikin PPM.
    4. Kuskuren Vector Magnitude (EVM): Ma'auni ne don la'akari da ingancin siginar da aka daidaita, kuma naúrar ita ce dB.Karamin EVM, mafi kyawun ingancin siginar.A cikin samfur mara waya, ikon TX da EVM suna da alaƙa.Mafi girman ƙarfin TX, mafi girman EVM, wato, mafi muni ingancin siginar.Don haka, a aikace-aikace masu amfani, dole ne a yi sulhu tsakanin TX Power da EVM.
    5. Mashin watsawa na siginar da aka watsa na iya auna ingancin siginar da aka watsa da kuma ikon hana tsangwama ga tashoshi masu kusa.Mashin bakan siginar da ke ƙarƙashin gwaji ya cancanta a cikin madaidaicin abin rufe fuska.
    6. Ana kuma kiran tashar tashar tashar (Channel) ko mita band, wanda shine tashar watsa siginar bayanai tare da siginar mara waya (electromagnetic wave) a matsayin mai watsawa.Cibiyoyin sadarwa mara waya (masu amfani da hanyoyin sadarwa, AP hotspots, katunan mara waya ta kwamfuta) na iya aiki akan tashoshi da yawa.Na'urorin cibiyar sadarwar mara waya iri-iri a cikin yanki na sigina mara waya yakamata suyi ƙoƙarin amfani da tashoshi daban-daban don gujewa tsangwama tsakanin sigina.



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