| 一种Ka频段自适应Turbo-OFDM技术研究 |
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| 引用本文： | 刘炜.一种Ka频段自适应Turbo-OFDM技术研究[J].电视技术,2013,37(17). |
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| 作者姓名： | 刘炜 |
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| 作者单位： | 空军工程大学信息与导航学院,陕西西安,710077 |
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| 基金项目： | 国家自然科学基金(批准号61271250)资助的课题 |
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| 摘 要： | 为了改善Ka频段Turbo-OFDM系统的译码性能,且兼顾信息的传输速度,提出了一种自适应控制Turbo码交织长度的方案.该方案对于给定的目标误比特率,基于Summer算法估计的实时信道SNR特性自适应选择最佳交织长度.仿真结果表明,该方案可以平衡译码性能和译码速度,得到较高的平均译码速度以及较低的平均误比特率.
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| 关 键 词： | Ka频段 自适应 Turbo-OFDM 交织长度 |
| 收稿时间： | 2012/11/19 0:00:00 |
| 修稿时间： | 2012/12/18 0:00:00 |
Research on a Ka-band adaptive Turbo-OFDM technology |
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| liuwei.Research on a Ka-band adaptive Turbo-OFDM technology[J].Tv Engineering,2013,37(17). |
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| Authors: | liuwei |
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| Affiliation: | Air Force Engineering University School of Information and Navigation |
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| Abstract: | In order to improve the decoding performance of the Ka-band Turbo-OFDM system, and taking into account the information transmission speed, proposed an adaptive control Turbo Code Interleaver length of the program. The program for a given target bit error rate, based on the estimated real-time channel SNR characteristics Summer Algorithm adaptively selecting the optimal interleaving length. The simulation results show that the program can balance the decoding performance and decoding speed, higher average decoding speed and lower average bit error rate. |
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| Keywords: | Ka band adaptive Turbo codes orthogonal frequency division multiplexing interlaced length |
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