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author:

吴子静 (吴子静.) [1] | 苏凯雄 (苏凯雄.) [2]

Indexed by:

PKU

Abstract:

首先证明了DTMB系统中采用的BCH码是纠错能力为1的循环汉明码,并基于此提出了适用于该BCH码的译码算法,及其串行和并行两种FPGA实现电路。考虑到该BCH缩短码的特性,通过修改差错检测电路,使其译码时延缩短34%。实验结果表明,译码器译码正确无误,FPGA资源占用极少。串行译码器总时延为762个时钟周期,最大工作时钟频率可达357 MHz。并行译码器总时延仅为77个时钟周期,最大工作时钟频率可达276 MHz。

Keyword:

BCH码 数字电视地面多媒体广播 现场可编程门阵列

Community:

  • [ 1 ] 福州大学物理与信息工程学院

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Source :

电视技术

Year: 2013

Issue: 09

Volume: 37

Page: 142-145,152

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: 2

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