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一种准优化PAPR编码在OFDM系统中的应用 被引量：6

A Quasi-Optimum PAPR Coding for OFDM System
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摘要 本文提出了一种较简单的适用于高速率正交频分复用(OFDM)传输系统的准优化峰均功率比(PAPR)编码方案。方案中不仅给出了优良码字的寻找方法,还阐述和证明了峰值包络功率(PEP)不随码字的循环移位和翻转而改变的特性。本文提出的编码算法主要由选择优良码字、码字的循环移位和码字的翻转三部分组成。计算机仿真的结果显示该编码能够获得与最小化编码相似的传输可靠性,但是码率却得到了一定的改善,方法也更简单些。 In this paper, A simple quasi-optimum PAPR coding scheme is proposed for higher rate OFDMtransmission system. It gives a way to find the good codewords and proves the property that the peak envelope power is invariant for codewords＇ cyclic shifting and inversing. The simulation results indicate that the proposed coding scheme can achieve the similar reliable performance to that of the minimum PAPR coding, but has a certain improvement in code rate and computing complexity.
作者 薛世春 侯嘉
机构地区 苏州大学电子信息学院
出处 《通信技术》 2008年第12期218-220,223,共4页 Communications Technology
关键词 正交频分复用系统 峰均功率比 峰值包络功率 雷德密勒码 OFDM system Peak-to-Average Power Ratio （PAPR） Peak Envelope Power （PEP） Reed-Muller （RM） code
分类号 TN914 [电子电信—通信与信息系统]
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参考文献8

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同被引文献50

  • 1陈林,曹子峥,董泽,余建军.直接检测的光正交频分复用信号光纤传输系统实验研究[J].中国激光,2009,36(3):554-557. 被引量：31
  • 2JEAN Armstrong, BRENDON J C Schmidt. Comparison of Asymmetrically Clipped Optical OFDM and DC-Biased Optical OFDM in AWGN [J]. IEEE Communication Letters, 2008,12(5):343-345.
  • 3YANG Qi, TANG Yan, MA Yiran,et al. Experimental Demonstration and Numerical Simulation of 107-Gb/s High Spectral Efficiency Coherent Optical OFDM[J]. Lightwave Technol.2009, 27 (3): 168-176.
  • 4DENG Shang-Kang, LIN Mao-Chao. OFDM PAPR Reduction Using Clipping with Distortion Control[A]. International Conference on Communications[C]. 16-20 May 2005:2563-2567.
  • 5BERNHARD Goebel, STEPHAN Hellerbrand, NORMAN. Haufe,et al. PAPR Reduction Techniques for Coherent Optical OFDM Transmission [C].Intemational Conference on Transparent Optical Networks.June 28 2009-July 2 2009:1-4.
  • 6STEPHANE Y. LE Goff, BOON Kien Khoo,et al. Tsimenidis. A Novel Selected Mapping Technique for PAPR Reduction in OFDM Systems [J]. IEEE Transactions on Communications, 2008, 56(11): 1775-1779.
  • 7TRUNG Thanh Nguyen, LUTZ Lampe. On Trellis Shaping for PAR Reduction in OFDM Systems [J].IEEE Transactions on Communications, 2007, 55(9):1678-1682.
  • 8HAN Huy-Dung, HU Junqiang, DING Zhi. A Bandwith Efficient Design of IM/DD Optical OFDM [C]// Conference on Quantum electronics and Laser Science. 2-4 June 2009:1-2.
  • 9TELLAMBURA C. Upper Bound on Peak Factor of N-Multiple Carriers[J]. Electronics Letters, 1997,33( 19): 1608-1609.
  • 10JEAN Armstrong. OFDM for optical communications [J]. Lightwave Tectmol,2009, 27 (3): 189-203.

引证文献6

二级引证文献10

通信技术
2008年 第12期

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