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OFDM時頻捕獲的聯(lián)合算法

雷俊 吳樂南

雷俊, 吳樂南. OFDM時頻捕獲的聯(lián)合算法[J]. 電子與信息學(xué)報, 2006, 28(3): 400-403.
引用本文: 雷俊, 吳樂南. OFDM時頻捕獲的聯(lián)合算法[J]. 電子與信息學(xué)報, 2006, 28(3): 400-403.
Lei Jun, Wu Le-nan. A Joint Time and Frequency Acquisition Algorithm for OFDM Systems[J]. Journal of Electronics & Information Technology, 2006, 28(3): 400-403.
Citation: Lei Jun, Wu Le-nan. A Joint Time and Frequency Acquisition Algorithm for OFDM Systems[J]. Journal of Electronics & Information Technology, 2006, 28(3): 400-403.

OFDM時頻捕獲的聯(lián)合算法

A Joint Time and Frequency Acquisition Algorithm for OFDM Systems

  • 摘要: 該文提出了一種OFDM時頻捕獲的聯(lián)合算法:利用周期前綴的相關(guān)性實現(xiàn)符號粗同步和小數(shù)頻偏的糾正,并在幀頭符號插入差分導(dǎo)頻可同時完成幀同步和整數(shù)頻偏估計。在中短波信道的仿真結(jié)果驗證了該算法的準(zhǔn)確性和實用性。
  • European Telecommunications Standards Institute. Digital RadioMondiale (DRM); System Specification. ETSl ES 201 980,2002.[2]Van de Beek J J, Sandell M, Borjesson P 0. ML estimation oftime and frequency offset in OFDM systems[J].IEEE Trans. onSignal Processing.1997,45(7):1800-1805[3]Takahashi K, Saba T. A novel symbol synchronization algorithmwith reduced influence of IS1 for OFDM systems. IEEE GlobalTelecommunications Conference (GLOBECOM'Ol), San Antonio,Texas, USA, 2001, 1 : 524-528.[4]Classen F, Meyr H. Frequency synchronization algorithms forOFDM systems suitable for communication over frequencyselective fading channels. IEEE 44th Vehicular TechnologyConference (VTC'94). Stockholm, Sweden, 1994,3: 1655-1659.[5]Speth M, et al.. Optimum receiver design for OFDM-basedbroadband transmission-Part 11: A case study[J].IEEE Trans. onComm.2001,49(4):571-578[6]Nogami H, Nagashima T. A frequency and timing periodacquisition technique for OFDM systems[J].IEEE 6th Int.Symposium on Personal Indoor and Mobile RadioCommunications (PIMRC'95), Toronto, Canada.1995, 3:1010-1015[7]Hsieh Meng-Han, Wei Che-Ho. A frequency acquisition schemefor OFDM systems. IEEE 7th Int. Symposium on Personal Indoorand Mobile Radio Communications (P1MRC196), Taipei, Taiwan,1996,3: 843-847.[8]Hofmann F, Hansen C, Schafer W. Digital Radio Mondiale (DRM)digital sound broadcasting in the AM bands[J].IEEE Trans. onBroadcasting.2003,49(3):319-328[9]Kurpiers A, Fischer V. Open-source implementation of a DigitalRadio Mondiale (DRM) receiver. IEE 9th InternationalConference on HF Radio Systems and Techniques, Bath, UK,2003: 86-90.[10]雷俊, 吳正南. 改進(jìn)的 OFDM 符號粗同步算法. 電波科學(xué)學(xué)報.[11]Watterson C C, Juroshek J J, Bensema W D. Experimentalconfirmation of an HF channel model[J].IEEE Trans. on Comm.1970, 18(6):792-803
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出版歷程
  • 收稿日期:  2004-06-03
  • 修回日期:  2004-10-29
  • 刊出日期:  2006-03-19

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