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基于训练序列的时域OFDM载波同步算法

杨晨阳 洪慧勇

杨晨阳, 洪慧勇. 基于训练序列的时域OFDM载波同步算法[J]. 北京航空航天大学学报, 2005, 31(02): 157-161.
引用本文: 杨晨阳, 洪慧勇. 基于训练序列的时域OFDM载波同步算法[J]. 北京航空航天大学学报, 2005, 31(02): 157-161.
Yang Chenyang, Hong Huiyong. Training sequence based carrier frequency synchronization method for OFDM system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(02): 157-161. (in Chinese)
Citation: Yang Chenyang, Hong Huiyong. Training sequence based carrier frequency synchronization method for OFDM system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(02): 157-161. (in Chinese)

基于训练序列的时域OFDM载波同步算法

基金项目: 教育部高等学校优秀青年教师教学科研奖励计划基金资助项目
详细信息
    作者简介:

    杨晨阳(1965-),女,浙江杭州人,教授,cyyang@buaa.edu.cn.

  • 中图分类号: TN 91172

Training sequence based carrier frequency synchronization method for OFDM system

  • 摘要: 在研究单次频偏累积相偏估计的基础上,详细分析了2次独立的频偏累积相偏估计带来的频偏捕获范围的提高.并在此基础上提出一种基于训练序列的载波同步算法.这种算法利用时域2次独立的不同分辨力的相偏估计,解决了单次估计可能存在的相位模糊问题,从而实现了大频偏载波同步.通过理论分析给出了这种算法的性能,并通过仿真进行了验证.由于完全在时域进行估计,和其他大频偏载波同步算法相比,这种算法计算量小,且实现简单.

     

  • [1] Van Nee R, Prasad R. OFDM for wireless multimedia communications [M]. Boston:Artech House, 2000 [2] Moose P. A technique for orthogonal frequency division multiplexing frequency offset correction [J]. IEEE Transactions on Communications,1994,42(10):2908~2914 [3] Van de Beek J J, Sandell M, Borjesson P O. ML estimation of time and frequency offset in OFDM systems [J]. IEEE Transactions on Signal Processing,1997, 45(7):1800~1805 [4] Chang S, Powers E J. Efficient frequency-offset estimation in OFDM-based WLAN systems [J]. Electronics Letters,2003, 39(21):1554~1555 [5] Schmidl T M, Cox D C. Robust frequency and timing synchronization for OFDM [J]. IEEE Transactions on Communalizations, 1997, 45(12):1613~1621 [6] Schmidl T M, Cox D C. Low-overhead, low-complexity synchronization for OFDM . IEEE International Conference on Communications . Dallas:Texas USA, 1996. 1301~1306 [7] Kim Y H, Hahm Y K, Hye J J, et al. An efficient frequency offset estimator for timing and frequency synchronization in OFDM systems . IEEE Pacific Rim Conference on Communications, Computers and Signal Processing . Victoria:Canada,1999. 580~583 [8] Kim Y H, Song I, Yoon S, et al. An efficient frequency offset estimator for OFDM systems and its performance characteristics [J]. IEEE Transactions on Vehicular Technology,2001, 50(5):1307~1312 [9] Li Mingqi, Zhang Wenjun. A novel method of carrier frequency offset estimation for OFDM systems [J]. IEEE Transactions on Consumer Electronics, 2003, 49(4):965~972 [10] Ai B, Ge Jianhua, Wang Yong, et al. Frequency offset estimation for OFDM in wireless communications [J]. IEEE Transactions on Consumer Electronics,2004, 50(1):73~77 [11] Li J, Lie G,Giannakis G B. Carrier frequency offset estimation for OFDM-based WLAN's [J]. IEEE Signal Processing Letters, 2001, 8(3):80~82 [12] Ma Yugang. Modified nonlinear least square approaches to carrier frequency offset estimation in OFDM systems [J]. IEEE Communications Letters,2003, 7(4):177~179 [13] IEEE STD 802.11a. Wireless LAN medium access control (MAC) and physical layer (PHY) specifications:high-speed physical layer in the 5 GHz band . 1999 [14] IEEE STD 802.11a. Wireless MAC and PHY specifications:further higher-speed physical layer extension in the 2.4 GHz Band[S]. 2003 [15] IEEE 802.16.2-2001. IEEE recommended practice for local and metropolitan area networks—coexistence of fixed broadband wireless access systems[S]. 2001
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出版历程
  • 收稿日期:  2004-06-20
  • 网络出版日期:  2005-02-28

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