Wireless steganography using a spectrum spreading technique

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  • スペクトル拡散信号を用いた無線ステガノグラフィ方式の検討
  • スペクトル カクサン シンゴウ オ モチイタ ムセン ステガノグラフィ ホウシキ ノ ケントウ

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Abstract

As a countermeasure to information tapping in wireless communications, a wireless steganography technique was proposed and the fundamental performance of the technique was evaluated. In the technique, the existence of the transmitted confidential signal is hidden to the anyone other than the legitimate receiver. In this paper we propose a new wireless steganography technique using the spectrum spreading approach. We evaluate the transmission performance of the embedded secret signal and the anti-attacking performance against eavesdroppers by computer simulation. As a result of the evaluation, we clarify the requirements of the various parameters of the technique by which signal detection by third-party eavesdroppers is made almost impossible.

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