An Integrated Interference Suppression Scheme with An Adaptive Equalizer for Digital Satellite Communication Systems

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概要

• 論文の詳細を見る

• This paper proposes an integrated interference suppression scheme Which realizes interference-resistant satellite digital signal transmission systems. It employs a notch filter in the receiving side to suppress the co-channel interference (CCI)signal. Moreover, the proposed scheme employs an adaptive equalizer combined with a forward error correction (FEC) scheme to improve the Pe (probability of error) performance degradation due to the inter-symbol interference caused by notch filtering of the desired signal. In the typical frequency modulation (FM) CCI environment with a BWi/f_N of 2.3 (BWi:interference signal required bandwidth, f_N: one half the Nyquist bandwidth of the desired signal) , a Δf/f_N of 1.05 (Δf:interference frequency offset) and a D/U of 3dB (desired to undesired (interference) signal power ratio), the proposed scheme improves the required E_b/N_o by 1.5dB at a Pe of 10^lt-4gt compared to that without an adaptive equalizer.

• 社団法人電子情報通信学会の論文
• 1996-02-25

著者

• SUGIYAMA Takatoshi

  NTT Wireless Systems Laboratories

• KUBOTA Shuji

  NTT Wireless Systems Laboratories

• Sugiyama Takatoshi

  Wireless Labortories Ntt Docomo Inc.

• Kubota S

  Ntt Network Innovation Lab. Yokosuka‐shi Jpn

• Kubota Shuji

  Ntt R&d Management Dept.

• Sugiyama T

  Wireless Labortories Ntt Docomo Inc.

• Kubota S

  The Authors Are With Fujitsu Laboratories Ltd.

• Suzuki M

  Kddi Res. And Dev. Lab. Inc. Kamifukuoka‐shi Jpn

• SUZUKI Masanobu

  NTT Wireless Systems Laboratories

• Kubota S

  Ntt Wireless Systems Innovation Lab. Kanagawa Jpn

• Sugiyama Takatoshi

  Ntt Network Innovation Laboratories

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