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    Sarrafa Kuskure a Tsarin Sadarwar Bayanai

    Lokacin aikawa: Agusta-02-2022

    Sannu Masu Karatu, A cikin wannan labarin za mu koyi menene Sarrafa Kuskure da Rarraba sarrafa kurakurai.

    A cikin tsarin watsa bayanai, saboda tasirin amo akan tashar, siginar siginar na iya zama gurbatacce lokacin da aka watsa shi zuwa mai karɓa, yana haifar da kurakuran bayanai. Domin biyan buƙatun da ake tsammani na waɗannan kurakurai, ana buƙatar sarrafa kuskure. Ka'idar sarrafa kuskure ita ce bayan an watsa bayanan K, akwai R raƙuman raƙuman ragi a cikin farashin hannun jari. Bayanan da mai karɓa ya karɓa yana aiki da haɗin kai algorithm, kuma ana kwatanta sakamakon da sakamakon mai aikawa. kuskure. Idan mai karɓa ya san cewa akwai kuskure, amma bai san menene kuskuren ba, sannan ya nemi a sake aikawa daga mai aikawa, wannan dabarar ita ce ake kira gano kuskure; idan mai karɓa ya san akwai kuskure kuma ya san menene kuskuren, ana kiran wannan dabarar don gyara kuskure.

     

    (2) Rarraba sarrafa kuskure

    Akwai nau'ikan sarrafa kuskure guda biyu: kurakurai bit da kurakuran firam. Kuskuren bit kuskure ne, 1 ya zama 0, 0 ya zama 1; akwai yuwuwar kurakuran firam guda uku: asara, maimaituwa, da rashin tsari. Idan akwai kuskuren da ke da alaƙa, to muna buƙatar neman mafita daga layin hanyar haɗin yanar gizo zuwa uwar garken da Layer cibiyar sadarwa ta samar. Layer mahada bayanan yana ba da ayyuka na asali guda uku zuwa Layer cibiyar sadarwa:

     

    1. Babu tabbaci kuma babu sabis na haɗi.

    2. Tabbatar da babu sabis na haɗi.

    3. Tabbatar da ayyukan haɗin kai.

     

    Abin da ke sama shine bayanin ilimin "Error Control" wanda Shenzhen HDV Photoelectric Technology Co., Ltd ya kawo. Abubuwan sadarwar da kamfanin ke samarwa: Rukunin Module: na gani fiber modules, Ethernet modules, na gani fiber transceiver modules, na gani fiber damar kayayyaki, SSFP Optical modules, kumaSFP Optical fibers, da dai sauransu.

    ONUcategory: EPON ONU, AC ONU, fiber optic ONU, CATV ONU, GPON ONU, XPON ONU, da dai sauransu.

    OLTaji: Canji a farashin OLT, Farashin GPON OLT, Farashin EPON OLT, sadarwaOLT, da dai sauransu.

    Samfuran samfurin da ke sama na iya ba da goyan baya ga yanayin cibiyar sadarwa daban-daban. Ƙwararrun ƙwararrun R & D mai ƙarfi na iya taimaka wa abokan ciniki tare da al'amurran fasaha, kuma ƙungiyar kasuwanci mai tunani da ƙwararrun za su iya taimaka wa abokan ciniki su sami ayyuka masu kyau a lokacin shawarwari da kuma bayan aikin samarwa. Barka da zuwatuntube mu ga kowane irin tambaya.

    Kuskuren sarrafa kuskure a cikin layin hanyar haɗin bayanai, menene sarrafa kuskure a cikin hanyar sadarwa, sarrafa kuskure a cikin layin hanyar haɗin yanar gizon da aka bayyana, sarrafa kuskure a cikin labarin hanyar haɗin yanar gizo pdf



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