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COFDM系統(tǒng)在非理想定時(shí)同步條件下的信道估計(jì)

王勇 葛建華 艾渤

王勇, 葛建華, 艾渤. COFDM系統(tǒng)在非理想定時(shí)同步條件下的信道估計(jì)[J]. 電子與信息學(xué)報(bào), 2005, 27(2): 239-242.
引用本文: 王勇, 葛建華, 艾渤. COFDM系統(tǒng)在非理想定時(shí)同步條件下的信道估計(jì)[J]. 電子與信息學(xué)報(bào), 2005, 27(2): 239-242.
Wang Yong, Ge Jian-hua, Ai Bo. Channel Estimation Technique for COFDM System in Wireless Channel with Timing Offset Error[J]. Journal of Electronics & Information Technology, 2005, 27(2): 239-242.
Citation: Wang Yong, Ge Jian-hua, Ai Bo. Channel Estimation Technique for COFDM System in Wireless Channel with Timing Offset Error[J]. Journal of Electronics & Information Technology, 2005, 27(2): 239-242.

COFDM系統(tǒng)在非理想定時(shí)同步條件下的信道估計(jì)

Channel Estimation Technique for COFDM System in Wireless Channel with Timing Offset Error

  • 摘要: 該文深入研究了數(shù)字電視地面無(wú)線廣播COFDM解調(diào)方案中的信道估計(jì)與內(nèi)插技術(shù),針對(duì)接收系統(tǒng)前端符號(hào)定時(shí)同步誤差對(duì)于信道估計(jì)性能的影響,提出了兩種適用于COFDM梳狀導(dǎo)頻系統(tǒng)的信道估計(jì)解決方案,并給出了其性能和可適用性分析。
  • Digital broadcasting system for television, sound and data services. European Telecommunications Standard [S]. prETS 300 744 (Draft, version 0.0.3), April 1996.[2]Jan-Jaap van de Beck, Edfors O, Sandell M. On channel estimation in OFDM systems.Proc. IEEE 45th VTC, Chicago, IL,USA, July 1995:815-819.[3]Moon Jae Kyomg, Choi Song In. Performance of channel estimation methods for OFDM systems in multipath fading channels[J].IEEE Trans. on Consumer Electronics.2000, 46(1):161-170[4]Jan-Jaap van de Beck, Magnus Sandell. ML estimation of time and frequency offset in OFDM systems. IEEE Trans. on Signal Processing, 1997, 45(7):.1800-1805.[5]Hsieh Meng-Han, Wei Che-Ho. Channel estimation for OFDM systems based on comb-type pilot arrangement in frequency selective fading channel[J].IEEE Trans. on Consumer Electronics.1998, 44(1):217-224[6]Frieder Sanzi, Joachim Speidel. An adptive two dimension channel estimation for wireless OFDM with application to mobile DVBT[J].IEEE Trans. on Broadcasting.2000, 46(2):128-133[7]Edfors O, Sandell M, Jan-Jaap van de Beek. OFDM channel estimation by singular value decomposition. Proc. IEEE 46th VTC, Atlanta, GA, USA, Apr. 1996:923-927.
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  • 收稿日期:  2003-09-24
  • 修回日期:  2004-03-11
  • 刊出日期:  2005-02-19

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