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时频训练序列OFDM频偏估计方法 被引量：4

Frequency offset estimator for OFDM with time-frequency training sequence
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摘要 给出了一种比率可调节的时频训练序列,通过频域训练序列和预定义查找表实现粗频偏估计,通过时域训练序列实现细频偏估计。仿真结果与复杂度分析表明所提出的方法在负载几乎相同的情况下,性能优于Lei的方法,而运算量却大大降低。 A ratio-adjustable time-frequency training sequence was proposed. The coarse cartier frequency offset （CFO） estimation was accomplished with the aid of the training sequence in frequency domain and a predefined lookup table, while the fine one was obtained by the aid of the training sequence in time domain. Simulation results show that the performance of the proposed method is better than Lei＇s method with almost the same overhead. However, its computational complexity is much lower than Lei＇s.
作者 蒋雁翔 王东明 高西奇 尤肖虎
机构地区 东南大学移动通信国家重点实验室
出处 《通信学报》 EI CSCD 北大核心 2006年第6期10-15,共6页 Journal on Communications
基金 国家自然科学基金资助项目(60496311) 国家高技术研究发展计划("863"计划)基金资助项目(2003AA123310)~~
关键词 正交频分复用 时频训练序列 频偏估计 瑞利衰落信道 OFDM time-frequency training sequence CFO estimation Rayleigh fading channel
分类号 TN929.5 [电子电信—通信与信息系统] TN911.23 [电子电信—通信与信息系统]
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参考文献12

  • 1CIMINI L J.Analysis and simulation of a digital mobile channel using orthogonal frequency division multiplexing[J].IEEE Trans Commun,1985,33(7):665-675.
  • 2POLLET T,BLADEL M V,MOENECLAEY M.BER sensitivity of OFDM systems to carrier frequency offset and Wiener phase noise[J].IEEE Trans Commun,1995,43(2/3/4):191-193.
  • 3MOOSE P.A technique for orthogonal frequency division multiplexing frequency offset correction[J].IEEE Trans Commun,1994,42(10):2908-2914.
  • 4SCHMIDL T,COX D C.Robust frequency and timing synchronization for OFDM[J].IEEE Trans Commun,1997,45(12):1613-1621.
  • 5MORELLI M,MENGALI U.An improved frequency offset estimator for OFDM[J].IEEE Commun Lett,1999,3(3):75-77.
  • 6BEEK J V,SANDELL M,BORJESSON P O.ML estimation of time and frequency offset in OFDM systems[J].IEEE Trans Signal Processing,1997,45(7):1800-1805.
  • 7LASHKARIAN N,KIAEI S.Class of cyclic-based estimators for frequency offset estimation of OFDM systems[J].IEEE Trans Commun,2000,48(12):2139-2149.
  • 8NOGAMI H,NAGASHIMA T.A frequency and timing period acquisition technique for OFDM systems[A].IEEE PIMRC[C].1995.1010-1015.
  • 9LEI J,NG T S.A consistent OFDM carrier frequency offset estimator based on distinctively spaced pilot tones[J].IEEE Trans Wireless Commun,2004,3(3):588-599.
  • 10STOICA P,BESSON O.Training sequence design for frequency offset and frequency-selective channel estimation[J].IEEE Trans Commun,2003,51(11):1910-1917.

同被引文献35

  • 1郑来波,胡健栋.基于信号重构的OFDM频偏跟踪算法的跟踪范围[J].北京邮电大学学报,2005,28(2):80-83. 被引量：4
  • 2刘占利,曾嵘,赵春明.低复杂度的OFDM粗频偏估计算法[J].通信学报,2005,26(5):86-90. 被引量：1
  • 3Rajbanshi R. OFDM-based Cognitive Radio for DSA Networks[D]. Lawrence, USA: University of Kansas, 2007.
  • 4Pollet T, van Bladel M, Moeneclaey M. BER Sensitivity of OFDM Systems to Carrier Frequency Offset and Wiener Phase Noise[J]. IEEE Transactions on Communications, 1995, 43(2): 191-193.
  • 5Schmidl T M, Cox D C. Robust Frequency and Timing Synchronization for OFDM[J]. IEEE Transactions on Communications, 1997, 45(12): 1613-1621.
  • 6Liu Hui, Tureli U. A High-efficiency Carrier Estimator for OFDM Communications[J]. IEEE Communications Letters, 1998, 2(4): 104-106.
  • 7Yao Yingwei, Giannakis G B. Blind Carrier Frequency Offset Estimation in SISO, MIMO, and Multiuser OFDM Systems[J]. IEEE Transactions on Communications, 2005, 53(1): 173-183.
  • 8Xu W Y, Hong Z L. Blind CFO Estimation for Constant Modulus Signaling Based OFDM Systems[C]//Proc. of ICC'I 0. Cape Town, South Africa: [s. n.], 2010.
  • 9Frank R L, Zadoff S A. Phase Shift Pulse Codes with Good Periodic Correlation Properties[J]. IRE Transactions on Information Theory, 1962, 8(6): 381-382.
  • 10IEEE. IEEE 802.16-2009 Air Interface for Fixed Broadband Wireless Access Systems[S]. 2009.

引证文献4

二级引证文献11

通信学报
2006年 第6期

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