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联合编码抗干扰设计和实现

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摘要 该文讨论了联合编码技术在无线通信抗干扰中的应用。Turbo码有逼近香农极限的纠错性能,其陡峭的过渡带意味着可以用较少的信噪比换取较大的纠错能力。在帧结构中插入适当的训练序列,可以实现准确的干扰检测。将干扰数据块清零和解交织后,其软信息能在解码器中得到最优的解码纠错结果。该文讨论了基于Turbo编解码和干扰检测的抗干扰原理和设计方法,使用MATLAB对设计中的关键参数和抗干扰性能进行了性能仿真,最后在FPGA中对设计进行了原型验证。
作者 冯跃辉
出处 《中国新技术新产品》 2020年第9期51-53,共3页 New Technology & New Products of China
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