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Design and Implementation of Turbo Encoder and Decoder with Variable Frame Length
Author(s): ZHAO Dan-feng, ZHU Tie-lin, LIU Yuan
Pages: 1-
5
Year: 2010
Issue:
9
Journal: Telecommunication Engineering
Abstract: 针对固定帧长Turbo码灵活性和适应性差的缺点,提出了一种帧长可配置的Turbo码编译码器的FPGA实现方案,可以由用户根据数字通信参数设计要求自行改变交织深度,以使译码性能与信息速率达到最佳平衡.采用"自上而下"的设计思想和"自下而上"的实现流程相结合的方法,对Turbo码编译码系统进行模块化设计,优化调试后下载配置到Xilinx公司的Virtex-2 Pro系列中.测试结果表明,该设计具有良好...
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