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MIMO-OFDM系统下新型联合载波频偏估计方法

DOI: 10.13190/j.jbupt.2013.06.001, PP. 1-6

Keywords: 载波频偏估计,灵活分割相关,最小均方误差准则,精频偏估计

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Abstract:

为了降低多输入多输出正交频分复用(MIMO-OFDM)无线通信系统的符号间干扰并改善系统对频率偏移和定时的敏感,提出一种联合载波频偏估计算法.采用灵活分割相关及最小均方误差准则改进传统载波频率估计算法,实现了基于MIMO-OFDM无线通信系统的精确频偏估计.分析和仿真结果表明,本算法能在信道状况较差情况下实现均方误差估计性能10-6以下,适用于MIMO-OFDM无线通信系统.

References

[1]  严春林, 房家奕, 唐友喜, 等. 一种利用PN序列的OFDM频率同步[J]. 电子科技大学学报, 2003, 32(5): 495-498. Yan Chunlin, Fang Jiayi, Tang Youxi, et al. OFDM frequency synchronization by using PN sequence[J]. Journal of University of Electronic Science and Technology of China, 2003, 32(5): 495-498.
[2]  翟宁, 庞伟正. 基于CAZAC序列的OFDM同步算法[J]. 应用科技, 2008, 35(9): 18-20. Zhai Ning, Pang Weizheng. Synchronization technique of OFDM based on CAZAC sequence[J]. Journal of Applied Science and Technology, 2008, 35(9): 18-20.
[3]  Hoefel, Roger Pierre F. On the synchronization of IEEE 802.11N devices over frequency selective TGN channel models[C]//25th IEEE Canadian Conference on Electrical & Computer Engineering (CCECE). Montreal:[s.n.], 2012: 1-5.
[4]  彭晓霜. 基于802. 11n无线局域网的同步技术研究. 杭州: 浙江大学信息与电子工程学系, 2009.
[5]  Chih-Feng W, Muh-TianSh, Chorng-Kuang W. Joint carrier synchronization and equalization for OFDM systems over multipath fading channel[C]//IEEE 68th Vehicular Technology Conference (VTC). Calgary:[s.n.], 2008: 1-5.
[6]  邱玲, 许杰, 刘蓓, 等. 多用户、多小区MIMO通信技术[M]. 北京: 人民邮电出版社, 2011: 33-48.
[7]  Yong SooCh, Jaekwon K, Young Yang W, et al. MIMO-OFDM wireless communications with MATLAB[M]. John Wiley & Sons (Asia) Ltd. 2010: 170-177.
[8]  Van Nee R. Breaking the gigabit-per-second barrier with802.11AC[J]. IEEE Wireless Communications, 2011, 18(2): 4-10.
[9]  Stefania S, Issam T, Matthew B. LTE-the UMTS long term evolution, from theory to practice[M]. Wiley:[s.n.], 2009: 1-10.

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