Co-channel Interference Suppression Scheme Employing Nulling Filter and Turbo Equalizer for Single-Carrier TDMA Systems(Wireless Communication Technologies)
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概要
- 論文の詳細を見る
This paper proposes a co-channel interference (CCI) suppression scheme employing a frequency-domain nulling filter and turbo equalizer for single-carrier uplink time division multiple access (TDMA) systems. In the proposed scheme, after the received signal is transformed into a frequency-domain signal via fast Fourier transform (FFT), CCI from an adjacent cell is suppressed by the nulling filter. Moreover, the proposed scheme employs a soft canceller and minimum mean square error (SC/MMSE) based turbo equalizer to suppress the performance degradation due to inter-symbol interference (ISI) caused by the nulling filter as well as the ISI induced by fading channel. Computer simulation confirms that the proposed scheme is effective in suppression of CCI compared to the conventional linear frequency-domain equalizer.
- 社団法人電子情報通信学会の論文
- 2007-07-01
著者
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SAMPEI Seiichi
Graduate School of Engineering, Osaka University
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Sampei Seiichi
Graduate School Of Engineering Osaka University
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SRITIAPETCH Chantima
Graduate School of Engineering, Osaka University
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Sritiapetch Chantima
Osaka Univ. Suita‐shi Jpn
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Sritiapetch Chantima
Graduate School Of Engineering Osaka University
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