FHSS, mitar hopping baza fasahar bakan, ƙarƙashin yanayin aiki tare da aiki tare, yana karɓar siginonin da masu ɗaukar kunkuntar band na takamaiman nau'i (wannan takamaiman nau'i yana da takamaiman mitar, da sauransu) a ƙarshen duka biyun. Ga mai karɓa ba tare da takamaiman nau'in ba, siginar hopping ɗin da FHSS ke haifarwa ita ce hayaniya ce kawai kuma ba za ta karɓi wannan ɓangaren siginar ba.
Me yasa ake buƙatar FHSS?Tabbas, bayanan watsawa ba za su yi girma haka kawai a cikin kewayon da aka ƙayyade ba. Idan lokacin watsa fakitin bayanai ɗaya zai iya wuce iyakar lokacin zaman tashar da aka ba da izini ta hanyar ƙa'idodi masu dacewa, za a yi amfani da fasahar FHSS. Don kunna yanayin hopping mitar a Lora, yi aiki da lokacin reg hopping da rajistar lokacin hopping na mitar don saita su zuwa ƙimar mara sifili. Mai zuwa yana bayyana abubuwan ilimin wannan bangare a fili ta hanyar ka'ida.
Ka'ida:Ka'idar aiki na shirin FHSS mitar hopping bakan bakan shine: cewa lokacin da ake buƙatar hopping mita don wani ɓangare na kowane fakitin bayanan Lora, ana buƙatar aika abun ciki ta hanyar tashar hopping ta mitar da gudanarwar MCU ya saita. Ana buƙatar aika mitar da za a yi tsalle bisa ga teburin tambaya. Bayan an gama watsa bayanan kuma ƙayyadadden lokacin hopping mitar ya ƙare, mai watsawa da mai karɓacanzazuwa tasha na gaba a cikin mitar hopping predefined jerin don ci gaba da watsawa da karɓar ɓangaren na gaba na fakitin bayanai. Tsawon lokacin zama a kowane tashoshi yana ƙayyade ta lokacin saurin mitar, wanda shine adadin adadin tsawon alamar.
Tsarin watsawakuma karɓa ta hanyar tsalle-tsalle yana farawa daga tashar 0. Ana watsa gabatarwa da taken kan tashar 0 da farko. Duk lokacin da aka aika fakitin bayanai, karatun counter ɗin tashar akan tashar yanzu (wanda ke cikin tashar reg hopping) zai ƙaru, kuma za a samar da siginar katse tashar canza canjin FHSS don cimma mitar hopping. Dole ne a saita sabon mitar a cikin lokacin hawan mita don tabbatar da cewa za a rufe sabon mitar a cikin mitar na gaba. Duba tsari: fara liyafar FHSS akan tashar 0. Bayan duba preamble, mai karɓa zai fara aikin hopping na sama. A wannan lokacin, idan CRC na taken ba daidai ba ne, mai karɓa zai buƙaci tashoshi 0 ta atomatik (na'urar sake aikawa da fakiti) kuma ta sake farawa duba gabatarwar.
Bayanin labarin da ke sama na ƙa'idar sadarwa ta mitar hopping spread spectrum (FHSS) ta kawo muku taShenzhen HDV Phoelectron Technology Co., Ltd. Da fatan wannan labarin zai iya taimaka muku don ƙara ilimin ku. Bayan wannan labarin idan kuna neman ingantaccen kamfanin kera kayan sadarwar fiber na gani za ku iya la'akari da sugame da mu.
