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多徑衰落下符號定時恢復(fù)算法的改進

艾渤 葛建華 趙妍妮

艾渤, 葛建華, 趙妍妮. 多徑衰落下符號定時恢復(fù)算法的改進[J]. 電子與信息學報, 2004, 26(2): 266-271.
引用本文: 艾渤, 葛建華, 趙妍妮. 多徑衰落下符號定時恢復(fù)算法的改進[J]. 電子與信息學報, 2004, 26(2): 266-271.
Ai Bo, Ge Jian-hua, Zhao Yan-ni. An Improved Algorithm for Symbol Timing Recovery in a Multipath Fading Channel[J]. Journal of Electronics & Information Technology, 2004, 26(2): 266-271.
Citation: Ai Bo, Ge Jian-hua, Zhao Yan-ni. An Improved Algorithm for Symbol Timing Recovery in a Multipath Fading Channel[J]. Journal of Electronics & Information Technology, 2004, 26(2): 266-271.

多徑衰落下符號定時恢復(fù)算法的改進

An Improved Algorithm for Symbol Timing Recovery in a Multipath Fading Channel

  • 摘要: 該文提出了在多徑衰落信道環(huán)境下、寬帶數(shù)字電視地面廣播BDB-T系統(tǒng)中符號定時恢復(fù)的改進新算法,導(dǎo)出了計算公式并設(shè)計了相應(yīng)的FPGA硬件電路,計算機仿真及在高清晰度數(shù)字電視功能樣機上的調(diào)試證明了改進算法的優(yōu)良性能。
  • J.Whitaker著,曹晨、楊作梅等譯.高清晰度數(shù)字視頻原理與應(yīng)用.北京:電子工業(yè)出版社,2002,第1章.[2]Schmidl T M, Cox D C. Robust frequency and timing synchronization for OFDM. IEEE Trans.on Communications, 1997, COM-45(12): 1613-1621.[3]Daffara F.[J].Adami O. A new frequency detector for orthogonal multicarrier transmission techniques. In Proc VTC95, Chicago, Illinois, USA.1995,:-[4]Oh J S, Chung Y M, Lee S U. A carrier synchronization technique for OFDM on the frequencyselective fading environment. In Proc IEEE Vehicular Technology Conference, Atlanta, GA, USA,1996: 1574-1578.[5]Moose P H. A technique for orthogonal frequency division multiplexing frequency offset correction.IEEE Trans. on Communications, 1994, COM-42(10): 2908-2914.[6]Van de Beek J J, Sandell M, Borjesson P O. ML estimation of time and frequency offset in OFDM systems. IEEE Trans. on Signal Processing, 1997, SP-45(7): 1800-1805.[7]Rob H, Cheun K, Park J. An MMSE fine carrier frequency synchronization algorithm for OFDM systems[J].IEEE Trans. on Consumer Electronics.1997, 43(3):761-766[8]Lee D, Cheun K. A new symbol timing recovery algorithm for OFDM systems[J].IEEE Trans. on Consumer Electronics.1997, 43(3):767-775[9]艾渤,劉剛,葛建華.COFDM系統(tǒng)的符號定時同步算法.高技術(shù)通訊,2002,12(8):26-31. [10]艾渤,葛建華,趙妍妮.高清晰度數(shù)字電視中的符號定時檢測算法.華中科技大學學報(自然科學版),2003,31(1)70-74.[10]European Telecommunications Standard Institute, ETS 300 744 Digital video broadcasting; framing structure, channel coding and modulation for digital terrestrial television, France: European Broadcasting Union, 1997.
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出版歷程
  • 收稿日期:  2002-09-23
  • 修回日期:  2003-03-28
  • 刊出日期:  2004-02-19

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