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移动通信中一种精确的多普勒频移估计方法

华惊宇 马章勇 王东明 尤肖虎

华惊宇, 马章勇, 王东明, 尤肖虎. 移动通信中一种精确的多普勒频移估计方法[J]. 电子与信息学报, 2005, 27(1): 95-98.
引用本文: 华惊宇, 马章勇, 王东明, 尤肖虎. 移动通信中一种精确的多普勒频移估计方法[J]. 电子与信息学报, 2005, 27(1): 95-98.
Hua Jing-yu, Ma Zhang-yong, Wang Dong-ming, You Xiao-hu. An Accurate Scheme for the Doppler Shift Estimation in Mobile Communication Systems[J]. Journal of Electronics & Information Technology, 2005, 27(1): 95-98.
Citation: Hua Jing-yu, Ma Zhang-yong, Wang Dong-ming, You Xiao-hu. An Accurate Scheme for the Doppler Shift Estimation in Mobile Communication Systems[J]. Journal of Electronics & Information Technology, 2005, 27(1): 95-98.

移动通信中一种精确的多普勒频移估计方法

An Accurate Scheme for the Doppler Shift Estimation in Mobile Communication Systems

  • 摘要: 该文利用有效到达径上信道参数的估计值,统计其包络的电平通过率(Level Crossing Rate,LCR),据此估计出时变多径信道的多普勒频移。同时还在理论上分析了噪声环境下LCR方法的估计偏差,进而提出了精确的改进方法,使得通信系统在各种移动速度和信噪比下都具有较高的估计精度。
  • Jakes W C. Microwave Mobile Communications[M]. New York:IEEE Press, 1994, chapter 1.[2]Monk A M, Miltein L B. Open-loop power control error in a land mobile satellite system[J].IEEE ,J. on Sel. Areas Comm.1995,13(2):205-[3]Cavers J K. An analysis of pilot symbol assisted modulation for Rayleigh fading channel[J]. IEEE Trans. on VT, 1991, 40(4):683 - 693.[4]Sampath A, Holtzman J. Estimation of maximum Doppler frequency for handoff decisions[C]. Proc. IEEE VTC., Secaucus,NJ, USA ,1993:859 - 862.[5]Xiao C, Mann K, Livier J. Mobile speed estimation for TDMA based hierarchical cellular systems[C]. Proc. IEEE VTC.,Amsterdam, the Netherlands, 1999:2456 - 2460.[6]董霄剑,蒋良成,尤肖虎.RAKE接收机中信道最大多普勒频移估计的一种新方法及其在信道估计中的应用[J].电路与系统学报,2000,5(4):1-5.[7]Ma Zhang-yong, Yan Yong-qing, Zhao Chun-ming, You Xiao-hu.An improved channel estimation algorithm based on estimation level crossing rate for CDMA receiver[J]. Chinese Journal of Electronics, 2003, 12(2): 235 - 238.[8]Kawabata K, Nakamura T, Fukuda E. Estimating velocity using diversity reception[C]. Proc. IEEE VTC., Stockholm, Sweden,1994:371 - 374.[9]Ehman L. On the accuracy of the envelope method for the measurement of Doppler spread[J].IEEE Trans. on Communications.1969, 17(5):578-[10]A.V奥本海姆著,刘树棠,等译.离散时间信号处理[M].北京:科学出版社,1998:66-68.[11]Tepedelenlioglu C, Giannakis G B. Estimation of Doppler spread and signal strength in mobile communications with application to handoff and adaptive transmission[J].Wireless Commun. Mob.Comput. of Wiley.2001, 1(2):221-
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出版历程
  • 收稿日期:  2003-07-10
  • 修回日期:  2003-11-20
  • 刊出日期:  2005-01-19

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