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一種基于周期平穩(wěn)的上行OFDMA系統(tǒng)同步參數(shù)盲估計(jì)方法

花夢(mèng) 朱近康

花夢(mèng), 朱近康. 一種基于周期平穩(wěn)的上行OFDMA系統(tǒng)同步參數(shù)盲估計(jì)方法[J]. 電子與信息學(xué)報(bào), 2006, 28(7): 1287-1290.
引用本文: 花夢(mèng), 朱近康. 一種基于周期平穩(wěn)的上行OFDMA系統(tǒng)同步參數(shù)盲估計(jì)方法[J]. 電子與信息學(xué)報(bào), 2006, 28(7): 1287-1290.
Hua Meng, Zhu Jin-kang. A Blind Uplink OFDMA Synchronization Parameters Estimation Based on Cyclostationarity[J]. Journal of Electronics & Information Technology, 2006, 28(7): 1287-1290.
Citation: Hua Meng, Zhu Jin-kang. A Blind Uplink OFDMA Synchronization Parameters Estimation Based on Cyclostationarity[J]. Journal of Electronics & Information Technology, 2006, 28(7): 1287-1290.

一種基于周期平穩(wěn)的上行OFDMA系統(tǒng)同步參數(shù)盲估計(jì)方法

A Blind Uplink OFDMA Synchronization Parameters Estimation Based on Cyclostationarity

  • 摘要: 該文給出了一種應(yīng)用于上行正交頻分多址(OFDMA)系統(tǒng)的同步參數(shù)盲估計(jì)方法。該方法利用信號(hào)的二階周期平穩(wěn)特性,針對(duì)不同的子載波分配策略,對(duì)信道的頻偏和時(shí)延進(jìn)行了估計(jì)。性能仿真證明,這種盲估計(jì)方法具有較高的精度和很好的抗噪特性。
  • Morelli M. Timing and frequency synchronization for the uplink of an OFDMA system. IEEE Trans. on Communications, 2004, 2(52): 296-306.[2]Kim Taekwan, Cho Namshin, Cho Jaehee. A fast burst[3]synchronization for OFDM based wireless asynchronous transfer mode systems. Global Telecommunications Conference, Geneva, Switzerland, 1999, 1A(8): 543 - 547.[4]Bolcskei H. Blind estimation of symbol timing and carrier frequency offset in pulse shaping OFDM systems. Proceedings, ICASSP '99, Phoenix, Arizona, USA, 1999, 5: 2749 - 2752.[5]Park Byungjoon, Cheon Hyunsoo, Ko Eunseok. A blind OFDM synchronization algorithm based on cyclic correlation[J].IEEE Signal Processing Letters.2004, 11(2):83-[6]Bolcskei H. Blind high-resolution uplink synchronization of OFDM-based multiple access schemes. IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Annapolis, MD, USA, 1999, 24:166 - 169.[7]Tonello A M,Laurenti N,Pupolin S. Analysis of the uplink of an asynchronous multi-user DMT OFDMA system impaired by time offsets, frequency offsets, and multi-path fading. VTC02, Las Vegas, USA, 3(3): 1094 - 1099.[8]Kuang Linling, Lu Jianhua, Ni Zuyao. Non-pilot-aided carrier frequency tracking for uplink OFDMA systems. IEEE International Conference on Communications, Paris, France, 2004, 6: 3193 - 3196.[9]Gardner W A. Introduction to Random Process. New York: McGraw-Hill, 1990, Chapter 11.
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出版歷程
  • 收稿日期:  2004-11-29
  • 修回日期:  2005-06-24
  • 刊出日期:  2006-07-19

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