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基于FPGA的级联编码系统的设计与实现 被引量:4

Design and Implementation of Concatenated Coding System Based on FPGA
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摘要 基于IESS-308标准设计了里德-所罗门码和卷积码的级联编码方案,解决了级联编码系统设计中的关键问题,提出了系统的同步策略,在现场可编程门阵列上实现了整个系统,并在硬件平台上对级联编码系统进行了性能测试。测试结果表明,实测值与理论值一致,从而验证了方案的正确性。该方案具有较强的通用性,经适当修改,可满足其他传输标准的要求。 A concatenated coding scheme that conforms to IESS-308 standard is designed which employs Reed-Solomon(RS)code concatenating with convolutional code.The key problems in the system design are solved and a synchronization strategy is proposed.The whole system is also implemented on field programmable gate array.Finally,the actual performance of the concatenated coding system is tested on the hardware platform.Test results show that the implementation scheme is correct and the actual performances are in a good agreement with the theoretical analysis.Additionally,this scheme has good versatility.It can fulfill the requirements of other transmission standards with minor modifications.
机构地区 北京理工大学
出处 《无线电通信技术》 2007年第5期56-58,共3页 Radio Communications Technology
关键词 级联编码 帧同步 里德-所罗门(RS)码 卷积码 现场可编程门阵列(FPGA) concatenated coding frame synchronization Reed-Solomon(RS)code convolutional code field programmable gate array(FPGA)
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参考文献3

  • 1IESS-308 (Rev.9). Performance Characteristics for Intermediate Data Rate Digital Carriers Using Convoluti- onal Encoding/ Viterbi Encoding and QPSK Modulation(QPSK/IDR)[S].
  • 2ZHANG Jian, FAN Guang-rong, KUANG Jing-ming, et al. A High Speed Low Complexity Reed-Solomon Decoder for Correcting Errors and Erasures[C] .Beijing: Beijing University of Posts and Telecommunicati-ons,2005 : 976- 979.
  • 3EN 300 421 Vl. 1.2, Digital Video Broadcasting ( DVB ) ; Framing structure, channel coding and modulation for 11/12 GHz satellite services[S].

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