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MIMO-OFDM廣義空間信道頻率響應(yīng)間的相關(guān)性分析

姜永權(quán) 周淵平 戴憲華 柳平

姜永權(quán), 周淵平, 戴憲華, 柳平. MIMO-OFDM廣義空間信道頻率響應(yīng)間的相關(guān)性分析[J]. 電子與信息學(xué)報(bào), 2006, 28(11): 2094-2098.
引用本文: 姜永權(quán), 周淵平, 戴憲華, 柳平. MIMO-OFDM廣義空間信道頻率響應(yīng)間的相關(guān)性分析[J]. 電子與信息學(xué)報(bào), 2006, 28(11): 2094-2098.
Jiang Yong-quan, Zhou Yuan-ping, Dai Xian-hua, Liu Ping. Correlation Analysis Among Frequency Responses of MIMO-OFDM Wide-Sense Space Channels[J]. Journal of Electronics & Information Technology, 2006, 28(11): 2094-2098.
Citation: Jiang Yong-quan, Zhou Yuan-ping, Dai Xian-hua, Liu Ping. Correlation Analysis Among Frequency Responses of MIMO-OFDM Wide-Sense Space Channels[J]. Journal of Electronics & Information Technology, 2006, 28(11): 2094-2098.

MIMO-OFDM廣義空間信道頻率響應(yīng)間的相關(guān)性分析

Correlation Analysis Among Frequency Responses of MIMO-OFDM Wide-Sense Space Channels

  • 摘要: 多輸入多輸出-正交頻分復(fù)用(MIMO-OFDM)技術(shù)被普遍認(rèn)為是寬帶無線通信的一種最具前景的技術(shù)。以往的研究重點(diǎn)放在如何利用收發(fā)天線間的多路空間信道,該文首次提出混合天線信道與波束信道的廣義空間信道這一新概念。在不增加天線數(shù)目的前提下,廣義空間信道能夠增加空間信道的數(shù)量。當(dāng)獨(dú)立多徑數(shù)遠(yuǎn)大于陣元數(shù)時(shí),廣義空間信道頻率響應(yīng)間的相關(guān)性較小,因此能夠使空頻碼(SFC)的分集、編碼及復(fù)用增益得到提高,從而提高M(jìn)IMO-OFDM系統(tǒng)的性能。
  • Chuang J, Sollenberger N, Beyond 3G: Wideband wireless data access based on OFDM and dynamic packet assignment. IEEE Communications Magazine, July 2000: 78.87.[2]Yang B G, Letaief K B, Cheng R S, Cao Z G. Channel estimation for OFDM transmission in multipath fading channels based on parametric channel modeling[J].IEEE Trans. on Commun.2001, 49(3):467-[3]Tarokh V, Seshadri N, Calderbank A R. Space-time codes for high data rate wireless communicationPerformance criterion and code construction[J].IEEE Trans. on Info. Theory.1998, 44(2):744-[4]Alamouti S M. A simple transmit diversity technique for wireless communications[J].IEEE J. on Select. Areas. Commun.1998, 16(8):1451-[5]Foschini G J, Golden G D, Valenzuela R A, et al.. Simplified processing for high spectral efficiency wireless communication employing multi-element arrays[J].IEEE J. on Select. Areas Commun.1999, 17(10):1841-[6]Liu Z Q, Giannakis G B, Barbarossa S, et al.. Transmit-antennae space-time block coding for generalized OFDM in the presence of unknown multipath[J].IEEE J. on Select. Areas Commun.2001, 19(7):1352-[7]Su W F, Safar Z, Olfat M, et al.. Obtaining full-diversity space-frequency codes from space-time codes via mapping[J].IEEE Trans. on Signal processing.2003, 51(11):2905-[8]Bolcskei H, Borgmann M, Paulraj A J. Impact of the propagation environment on the performance of space-frequency coded MIMO-OFDM[J].IEEE J. on Select. Areas Commun.2003, 21(3):427-[9]Su W F, Safar Z, Liu K J R. Full-rate full-diversity space-frequency codes with optimum coding advantage[J].IEEE Trans. on Info. Theory.2005, 51(1):229-[10]Liu Z Q, Xin Y, Giannakis G. Space-time-frequency coded OFDM over frequency selective fading channels[J].IEEE Trans. on Signal Processing.2002, 50(10):2465-[11]Bolcskei H, Gesbert D, Paulraj A J. On the capacity of OFDM-based spatial multiplexing systems[J].IEEE Trans. on Commun.2002, 50(2):225-[12]Zelst A, Schenk T C W. Implementation of a MIMO OFDM-based wireless LAN system[J].IEEE Trans. on Signal Processing.2004, 52(2):483-[13]Li Y X, Huang X J. The simulation of independent rayleigh faders[J].IEEE Trans. on Commun.2002, 50(9):1503-[14]Ertel R B, Cardieri P. Overview of spatial channel models for antenna array communication systems. IEEE Personal Communications, February 1998: 10-22.[15]Liberit J C, Rappaport T[16]Sklar B. Rayleigh fading channels in mobile digital communication systems Part I: Characterization. IEEE Communications Magazine, July 1997: 90.100.[17]Zhao X W, Kivinen J, Vainikainen P. Propagation characteristics for wideband outdoor mobile communications at 5[J].3GHz. IEEE J. on Selec. Areas Commun.2002, 20(3):507-[18]Sampath H, Talwar S, Tellado J, et al.. A fourth-generation MIMO-OFDM broadband wireless system: Design, performance, and field trail results. IEEE Communications Magazine, 2002: 143.149.
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  • 收稿日期:  2005-04-11
  • 修回日期:  2005-08-03
  • 刊出日期:  2006-11-19

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