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  • 标题:Im­prov­ing the ef­fi­ciency of de­tect­ing er­rors in data trans­mis­sion lines with a pulse-am­pli­tude mod­u­la­tion
  • 本地全文:下载
  • 作者:Markovskiy A.P. ; Turchenko Y.A. ; Ko­valchuk A.V.
  • 期刊名称:Visnyk NTUU KPI : Informatics, Operation and Computer Science
  • 印刷版ISSN:0135-1729
  • 出版年度:2007
  • 卷号:47
  • 出版社:National Technical University of Ukraine
  • 摘要:In paper an ap­proaches for in­creas­ing the ef­fec­tive­ness of error de­tec­tion in com­puter net­work chan­nels with Pulse-Am­pli­tude Mod­u­la­tion (PAM) has been pro­posed. Pro­posed ap­proaches are based on con­sid­er­a­tion of spe­cial fea­ture of er­rors which are ap­pear­ances in line with PAM. The first ap­proach con­sist of CRC mod­i­fi­ca­tion specif­i­cally for line with PAM. The sec­ond ap­proach is base of weighted check­sums using. The way for check­sum com­po­nents cod­ing has been de­vel­oped. It has been shown that pro­posed check­sum mod­i­fi­ca­tion en­sure su­pe­rior dig­i­tal data con­trol trans­for­ma­tion re­li­a­bil­ity for chan­nels with PAM in com­pare to CRC.
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