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Tsarin PON yana ɗaukar fasahar rarraba lokaci-lokaci a cikin hanyar haɗin kai, kuma ONU tana aika bayanai zuwa alkiblar haɗin kai bisa ga tambarin lokaci da OLT ya keɓe. Lokacin da ONU ya fitar da haske ba tare da sanya tambarin lokaci ba, zai ci karo da siginar fitar da wasu akan...

Tare da haɓaka tsarin sadarwa na gani tare da nisa mai tsayi, ƙarfin da ya fi girma, da kuma mafi girman gudu, musamman lokacin da adadin igiyar ruwa guda ɗaya ya samo asali daga 40g zuwa 100g ko ma super 100g, watsawar chromatic, tasirin da ba na layi ba, watsawar yanayin polarization, da sauran tasirin watsawa a ciki. ..

Lambar gano kuskure (lambar rajistan ma'auni): lambar rajistan ma'amala ta ƙunshi rukunin bayanai na n-1 da 1 bit check element. Naúrar bayanin bit N-1 shine ingantaccen bayanai a cikin bayanan da muke aikawa, kuma ana amfani da sashin duban 1-bit don gano kuskure da lambar sakewa. Binciken ban mamaki: idan n...

Sannu, Masu Karatu. A cikin wannan labarin zan tattauna akan OSI-Data Link Layer Error Control tare da bayani. Bari mu fara… Don fahimtar watsawar layin haɗin bayanai bari mu ɗauki misali, idan na'urar tana buƙatar sadarwa tare da na'urar B, hanyar haɗin sadarwa ...

Sannu Masu Karatu, A cikin wannan labarin za mu koyi menene Sarrafa Kuskure da Rarraba sarrafa kurakurai. A cikin tsarin watsa bayanai, saboda tasirin hayaniya a tashar, siginar siginar na iya lalacewa lokacin da aka watsa shi zuwa mai karɓa, sake ...

A cikin tsarin sadarwar multixing na lokaci na dijital, don raba daidai siginar ramin lokaci, ƙarshen aika dole ne ya samar da alamar farkon kowane firam, kuma hanyar ganowa da samun wannan alamar a ƙarshen karɓar ana kiranta frame synchr. .