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OFDM傳輸分集中的頻率同步

呂浚哲 王亞莉 張海林 劉增基

呂浚哲, 王亞莉, 張海林, 劉增基. OFDM傳輸分集中的頻率同步[J]. 電子與信息學(xué)報, 2004, 26(10): 1548-1554.
引用本文: 呂浚哲, 王亞莉, 張海林, 劉增基. OFDM傳輸分集中的頻率同步[J]. 電子與信息學(xué)報, 2004, 26(10): 1548-1554.
Lǚ Jun-zhe, Wang Ya-li, Zhang Hai-lin, Liu Zeng-ji. The Frequency Synchronization of Transmitter Diversity Schemes for OFDM System[J]. Journal of Electronics & Information Technology, 2004, 26(10): 1548-1554.
Citation: Lǚ Jun-zhe, Wang Ya-li, Zhang Hai-lin, Liu Zeng-ji. The Frequency Synchronization of Transmitter Diversity Schemes for OFDM System[J]. Journal of Electronics & Information Technology, 2004, 26(10): 1548-1554.

OFDM傳輸分集中的頻率同步

The Frequency Synchronization of Transmitter Diversity Schemes for OFDM System

  • 摘要: 近年來結(jié)合OFDM的傳輸分集技術(shù)得到了普遍關(guān)注。可是OFDM的一個固有缺點是其對頻率偏移非常敏感,因此如何對基于OFDM的傳輸分集系統(tǒng)進行有效的頻偏估計和校正是一個值得探討的問題。為此該文給出了一種基于導(dǎo)頻的粗頻偏估計方法和盲自適應(yīng)細(xì)頻偏估計算法,并通過仿真驗證了所給方法的有效性。
  • Alamouti S M. A simple transmit diversity technique for wireless communications[J].IEEE J. on Select. Areas Commun.1998, 16(8):1451-1458[2]Tarokh V, Seshadri N, Calderbank A R. Space-time codes for high data rate wireless communication: Performance analysis and code construction. IEEE Trans. on Info. Theory, 1998, IT-44(2):744-765.[3]Zou W Y, Wu Y. COFDM: An overview[J].IEEE Trans. on Broadcasting.1995, 41(1):1-8[4]Lee K F, Williams D B. A space-time coded transmitter diversity technique for frequency selective fading channels. In Proc. IEEE Sensor Array and Multichannel Signal Processing Workshop,Cambridge, MA, March 2000: 149-152.[5]Lee K F, Williams D B. A space-frequency transmitter diversity technique for OFDM. In Proc.IEEE GLOBECOM., San. Francisco, CA, Nov.-Dec. 2000, vol.3: 1473-1477.[6]Pollet T, Van Bladel M, Moeneelaey M. BERsensitivity of OFDM systems to carrier frequency offset. IEEE Trans. on Commun., 1995, COM-43(2/3/4): 191-193.[7]Moose P H. A technique for orthogonal frequency division multiplexing frequency offset correction.IEEE Trans. on Commun., 1994, COM-42(10): 2908-2914.[8]van de Beek J J, Sandell M, Orjesson P O B. ML estimation of timing and frequency offset in OFDM systems. IEEE Trans. on Signal Processing, 1997, SP-45(7): 1800-1805.[9]Chen Bor-Sen, Tsai Chang-Lan. Frequency offset estimation in an OFDM system. Third IEEE Signal processing Workshop on Signal Processing, Advances in Wireless Communications,Taoyuan, Taiwan, March 20-23, 2001: 758-761.[10]Ravi Narasimhan. Performance of diversity schemes for OFDM systems with frequency offset, phase noise and channel estimation errors[J].IEEE Trans. on Commun.2002, 50(10):1561-1565[11]Oh Ji Sung, Chung Young Mo, Lee Sang Uk. A carrier synchronization technique for OFDM on the frequency-selective fading environment. Proc of 46th IEEE Vehicular Technology Conference,Atlanta, GA, USA, May 1996: 1574-1578.[12]郭梯云,楊家瑋,李建東.數(shù)字移動通信.北京:人民郵電出版社,1995:71-74.
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出版歷程
  • 收稿日期:  2003-07-05
  • 修回日期:  2004-02-16
  • 刊出日期:  2004-10-19

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