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author:

陈国泰 (陈国泰.) [1] | 余轮 (余轮.) [2] (Scholars:余轮)

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CQVIP

Abstract:

约束Turbo译码方法的编码方案是由Turbo码及错误检测码级联而成.该译码方法可以降低Turbo译码的复杂度,同时可以节省译码时间.遗憾的是,由于不正确包满足校验检测导致错误信息的传播,在中低信噪比时,译码性能有所降低.为了减小此类错误包的出现,文中采用不等长包构成一个长帧,在迭代之初,仅对短包进行检测,当不满足校验的短包数量小于给定值时,才对长包进行检测.仿真结果表明,文中给出的方案有效地减小了错误检测的包的数量,在中低信噪比下,译码性能也得到了提高.

Keyword:

Turbo码 不等长包 循环冗余校验码 约束译码

Community:

  • [ 1 ] [陈国泰]福州大学
  • [ 2 ] [余轮]福州大学

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Source :

电讯技术

ISSN: 1001-893X

CN: 51-1267/TN

Year: 2007

Issue: 4

Volume: 47

Page: 24-27

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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