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一种抑制MIMO-OFDM峰均比的联合算法 被引量：2

A union algorithm for PAPR reduction in MIMO-OFDM systems
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摘要 多输入多输出正交频分复用(MIMO-OFDM)系统的高峰均功率比(PAPR)问题已经成为限制MIMO-OFDM技术应用和发展的主要障碍.针对这种情况提出一种由子块逐次取反(SSI)和循环限幅算法的联合方案,与连续次最优交叉天线旋转取反算法(SS-CARI)相比传输的边带信息更少,克服了概率类算法只能在概率上降低PAPR的缺陷和限幅算法带来的峰值再增长问题.仿真结果表明,此方案可有效抑制峰均功率比,同时不会产生过大的噪声. The problem of high peak-to-average power ratio（PAPR） becomes the main obstruction to apply and develop MIMO-OFDM systems.For this reason a new method combining the subblock successive inversion（SSI） with circle-clipping is proposed.Comparing with the subblock successive cross-antenna rotation and inversion（SS-CARI） it has less side information and overcomes the shortcoming that the probabilistic algorithm can only reduce PAPR in aspect of probability and the problem of peak re-growth which is brought by clipping algorithm.Simulation results show that the scheme can effectively restrain PAPR.Meanwhile,it does not generate excessive noise.
作者 王革思 朱润光 周忠斌 葛磊
机构地区 哈尔滨工程大学信息与通信工程学院
出处 《应用科技》 CAS 2011年第5期43-46,共4页 Applied Science and Technology
关键词 多输入多输出正交频分复用 高峰均功率比 子块逐次取反 循环限幅 边带信息 MIMO-OFDM PAPR subblock successive inversion circle clipping side information
分类号 TN911 [电子电信—通信与信息系统]
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参考文献7

  • 1王立波,王永生,王宇,胡锦涛.利用子块二维优化组合降低MIMO-OFDM系统峰均比[J].西北工业大学学报,2009,27(6):833-837. 被引量：2
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二级参考文献8

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共引文献4

同被引文献12

  • 1SGHAIER M, ABDELKEFI F, SILALA M. Ettieient embedded sig- naling through alamouti STBC preeoders in MIMO-OFDM system[A]. IEEE Wireless Communication and Networking Conference[C]. Shanghai, 2013.4053-4058.
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  • 3SUBAN A, BRINTHA R, GAYATHRI M. Comprehensive analysis of MIMO-OFDM with PAPR reduction using PTS[A]. 2012 IEEE Stu- dents Conference on Electrical, Electronics and Computer Science[C]. Bhopal, 2012.1-4.
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  • 5WANG S H, LI C P. A Low complexity PAPR reduction scheme for SFBC MIMO-OFDM systems[J]. IEEE Signal Processing Letters, 2009, 16(11): 941-944.
  • 6ARUNJEEVA L, ARUNMOZHI S. A novel complexity PAPR reduc- tion scheme for MIMO-OFDM systems[A]. IEEE International Con- ference on Advances in Engineering, Science and Management, Na- gapattinam[C]. 2012.88-93.
  • 7JIANG T, NI C X, GUAN L L. A novel phase offset SLM scheme for PAPR reduction in alamouti MIMO-OFDM systems without side in- formation[J]. IEEE Signal Processing Letters, 2013, 20(4): 383-386.
  • 8HSUEH T C, LIN P Y, LIN J S. PAPR reduction techniques with cross SLM schemes for MIMO-OFDM systems[A]. IEEE International Conference on Communication[C]. Hong Kong, China, 2012.197-202.
  • 9TAN M Z, LATINOVIC Z, YEHESKEL B N. STBC MIMO-OFDM peak-to-average power ratio reduction by cross-antenna rotation and inversion[J]. Communications Letters, 2005, 9(7): 592-594.
  • 10XING O Y, JIN J Y, JIN G Y. Partial shift mapping with inter antenna switch for PAPR reduction in MIMO-OFDM systems[A]. IEEE Wire- less Communications and Networking Conference[C]. Shanghai, 2013. 2750-2753.

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应用科技
2011年 第5期

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