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基于LUT的HPA数字基带预失真方法研究

艾渤 杨知行 潘长勇 张涛涛 阳辉

艾渤, 杨知行, 潘长勇, 张涛涛, 阳辉. 基于LUT的HPA数字基带预失真方法研究[J]. 电子与信息学报, 2007, 29(7): 1580-1583. doi: 10.3724/SP.J.1146.2006.00023
引用本文: 艾渤, 杨知行, 潘长勇, 张涛涛, 阳辉. 基于LUT的HPA数字基带预失真方法研究[J]. 电子与信息学报, 2007, 29(7): 1580-1583. doi: 10.3724/SP.J.1146.2006.00023
Ai Bo, Yang Zhi-xing, Pan Chang-yong, Zhang Tao-tao, Yang Hui. Research on HPA Digital Base-band Pre-distortion Technique Based on Look-up Table Method[J]. Journal of Electronics and Information Technology, 2007, 29(7): 1580-1583. doi: 10.3724/SP.J.1146.2006.00023
Citation: Ai Bo, Yang Zhi-xing, Pan Chang-yong, Zhang Tao-tao, Yang Hui. Research on HPA Digital Base-band Pre-distortion Technique Based on Look-up Table Method[J]. Journal of Electronics and Information Technology, 2007, 29(7): 1580-1583. doi: 10.3724/SP.J.1146.2006.00023

基于LUT的HPA数字基带预失真方法研究

doi: 10.3724/SP.J.1146.2006.00023
基金项目: 

博士后科学基金(2005038094)资助课题

Research on HPA Digital Base-band Pre-distortion Technique Based on Look-up Table Method

  • 摘要: 该文深入研究了OFDM系统中基于查询表LUT方法的HPA数字预失真技术。针对传统LUT方法收敛速度非常慢的不足,有关文献提出了相应的改进措施。该文从误码率BER,功率谱密度PSD和算法收敛速度几个方面进行了算法性能的仿真比较分析,指出以上算法存在的不足,并提出了新的改进方法,仿真及分析结果表明了该文提出改进方法在性能上的优越性。
  • [1] [1] European Telecommunication Standard ETS 300 744. Digital broadcasting systems for television, sound and data services; Framing structure, channel coding and modulation for digital terrestrial television [S]. May 1996. [2] Tsinghua University. Terrestrial Digital Multimedia/ Television Broadcasting System. P.R.China Patent 00123597.4 [P] filed Aug.25, 2000, issued Mar.21, 2001. [3] Ai B, Ge J H, and Wang Y, et al.. Frequency offset estimation for OFDM in wireless communications [J].IEEE Trans. on Consumer Electronics.2004, 50(1):73-77 [4] Jayalath A D S and Tellambura C. Reducing the peak-to-average power ratio of orthogonal frequency division multiplexing signal through bit or symbol interleaving[J].Electronic Letters.2000, 36(12):1161-1163 [5] Andrea D A N, Lottici V, and Reggiannini R. Efficient digital predistortion in radio relay links with nonlinear power amplifiers[J].IEE Proceedings-Communications.2000, 147(3):175-179 [6] Kubo T, Fudaba N, and Ishikawa H, et al.. A highly efficient adaptive digital predistortion amplifier for IMT-2000 base stations[C][J].The 57th IEEE Semiannual Vehicular Technology Conference 2003, Jeju Korea, 22-25 April.2003, vol. 4:2206-2210 [7] Lei D, Zhou G T, and Morgan D R, et al.. A robust digital baseband predistorter constructed using memory polynomials [J].IEEE Trans. on Communications.2004, 52(1):159-165 [8] Rapp C. Effects of HPA-nonlinearity on 4-DPSK-OFDM signal for a digital sound broadcasting system[C]. In Proc. 2nd European Conference on Satellite Communications, Liege Belgium, 1991, vol. 2: 179-184. [9] Saleh A and Salz J. Adaptive linearization of power amplification in digital radio systems [J]. Bell System Technical Journal, 1983, 62(4): 1019-1033. [10] Muhonen K J, Kavehrad M, and Krishnamoorthy R. Look-up table techniques for adaptive digital predistortion: A development and comparison[J].IEEE Trans. on Vehicular Technology.2000, 49(5):1995-2002 [11] Zenobio D, Santella G, and Mazzenga F. Adaptive linearization of power amplifier in orthogonal multicarrier schemes[C], IEEE Int. Wireless Communication System Symposium, NY USA, 1995: 225-230. [12] Wesolowski K and Pochmara J. Efficient algorithm for adjustment of adaptive predistorter in OFDM transmitter[C][J].IEEE VTS-Fall VTC2000, Tokyo Japan.2000, vol.5:2491-2496 [13] Ai B, Yang Z X, Pan C Y, Zhang T T, and Ge J H. Effects of PAPR reduction on HPA predistortion[J].IEEE Trans. on Consumer Electronics.2005, 51(4):1143-1147
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出版历程
  • 收稿日期:  2006-01-05
  • 修回日期:  2006-07-06
  • 刊出日期:  2007-07-19

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