A study on an efficient channel data processing algorithm for developing a software-based playing back channel simulator

  • Authors:

  • Giyeok Ha;Minjae Kim;HyuckJae Lee;Hyun Kyu Chung

  • Affiliations:

  • Department of Information and Communications Engineering, Korea Advanced Institute of Science and Technology, DaeJeon, Korea;Department of Information and Communications Engineering, Korea Advanced Institute of Science and Technology, DaeJeon, Korea;Department of Information and Communications Engineering, Korea Advanced Institute of Science and Technology, DaeJeon, Korea;Mobile Telecommunication Research Laboratory, Electronics and Telecommunications Research Institute, DaeJeon, Korea

  • Venue:
  • WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
  • Year:
  • 2009

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Abstract

A playing back channel simulator which uses the real measurement channel data can provide reliable performance verification of the wireless communication systems. In this paper, an efficient channel data processing algorithm to implement a playing back channel simulator in a software is suggested. At first, an algorithm to efficiently reduce huge volume of original channel data is presented and a multi-rate signal processing algorithm is also proposed to fit the bandwidth of the measurement channel to the bandwidth of the input signal. As a result, we can find that the playing back channel simulator using these new algorithms has low processing complexity while preserving the characteristics of the original channel from the simulation results.