Construction of Optimal Chaotic Spreading Sequence Using Lebesgue Spectrum Filter(Special Section of Selected Papers from the 14th Workshop on Circuits and Systems in Karuizawa)

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概要

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• The digital filter which is constructed by Lebesgue spectrum analysis of ergodic theory, is shown to achieve a 15% gain of the number of simultaneous accessible users of asynchronous CDMA communication systems at the same BER (Bite Error Rate) compared to the Gold sequence and random sequence. According to the simulation of asynchronous CDMA communication systems with spreading sequences at the spreading factor of 127, it is shown that the performance gain caused by the digital filter called Lebesgue spectrum filter (LSF) is independent on the nature of spreading sequences.

• 社団法人電子情報通信学会の論文
• 2002-04-01

著者

• Umeno K

  Communications Res. Lab. Koganei‐shi Jpn

• Umeno Ken

  Communications Research Laboratory Ministry Of Posts And Telecommunications

• YAMAGUCHI Akihiro

  Fukuoka Institute of Technology

• UMENO Ken

  Communications Research Laboratory

関連論文

• Randomness Evaluation and Hardware Implementation of Nonadditive CA-Based Stream Cipher
• Construction of Optimal Chaotic Spreading Sequence Using Lebesgue Spectrum Filter(Special Section of Selected Papers from the 14th Workshop on Circuits and Systems in Karuizawa)
• Chaotic Monte Carlo Computation : A Dynamical Effect of Random-Number Generations

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