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Volume 26 Issue 4
Apr.  2000
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Journal of Beijing University of Aeronautics and Astronautics  > 2000  >  26(4): 377-380.
Liu Yanqiang, Huan Ji. Data communication protocol based on dual CAN bus for digital servo drive[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(06): 729-733. (in Chinese)
Citation: GAO Yan, LI Yong-hui, ZHANG Qi-shanet al. Modeling and Implementing for Mobile Radio Fading Channel in IF Based on FPGA[J]. Journal of Beijing University of Aeronautics and Astronautics, 2000, 26(4): 377-380. (in Chinese)
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Modeling and Implementing for Mobile Radio Fading Channel in IF Based on FPGA

  • Beijing University of Aeronautics and Astronautics,Dept. of Electronic Engineering

  • Received Date: 01 Mar 1999
  • Publish Date: 30 Apr 2000
    Abstract
  • A device based in Field Programmable Logic Array(FPGA)to simulate the channel propagation characteristics of the ground mobile environment at Inter Frequency (IF) has been designed and implemented.This device allows the performance of a mobile radio unit to be evaluated in laboratory under controlled conditions. The adjustable fading bandwidths and additional long delays were implemented by using the relative new signal processing technologies of FPGA device. A typical model to simulate the multi-path effects up to three different propagation paths was introduced , more paths' simulation can be implemented by increasing the number of same units. The channel simulator was designed to simulate mobile platform speeds up to 120km/h and multi-path components, having calculated time delay spreads of up to 9 μs.

     

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    • References(1)
  • [1] Lee W C Y. Mobile communication engineering[M].New York:McGraw-Hill,1998. [2]Neuvo Y,Ko W H. Analysis and digital realization of a pseudorandom gaussion and impulsive noise source[J]. IEEE Trans Commun, 1975,COM-23(9):849~858． [3]Caples E L. A UHF channel simulator for digital mobile radio[J]. IEEE Trans Veh Tech,1980,VT-29(2):281~289. [4]Smith J I. A computer generated multipath fading simulation for mobile radio[J]. IEEE Trans Veh Tech, 1975,VT-24(3):39~40． [5]张圣训,祁才君. 数字信号处理技术[M].杭州:浙江大学出版社,1996. [6]肖国镇,梁传甲,王育民. 伪随机序列及其应用[M].北京:国防工业出版社,1985． [7]张雄伟. DSP芯片的原理与开发应用[M].北京:电子工业出版社,1997．
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