Adaptive Narrow-Band Interference Suppression in DSSS Communication Systems Using IIR Notch Filter (Special Section on Noise Cancellation and Reduction Techniques)
スポンサーリンク
概要
- 論文の詳細を見る
Improvement of direct sequence spread spectrum (DSSS) communication systems' performance using a lattice based adaptive infinite impulse response (IIR) notch filter with a simplified adaptation algorithm is presented. The improvement is shown to be achieved by rejection of a narrowband interference in a received DSSS binary phase shift keying (BPSK) signal. Sources of noise generated by an adaptive IIR notch filter are also studied. Apart from noise associated with input additive white gaussian noise, noise attributed to laekage sinusoids due to fluctuation of steady-state variable coefficeint is also analysed. Using statistical properties of notch filter and pseudonoise (PN) correlator outputs, improvement of the performance of a DSSS system gained by the use of interference rejection filter is shown. Computer simulation results are used to confirm analytically derived expressions.
- 社団法人電子情報通信学会の論文
- 2001-02-01
著者
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HINAMOTO Takao
the Faculty of Engineering, Hiroshima University
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Nishimura Shotaro
Shimane University
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Nishimura Shotaro
The Department Of Computer Science Shimane University
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Nishimura Shotaro
Laboratory Of Functional Anatomy Of Dmestic Animals Faculty Of Agriculture Kyushu University
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Mvuma Aloys
広島大学大学院工学研究科
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Aloys M
Shimane Univ. Matsue Jpn
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Aloys Mvuma
広島大学大学院工学研究科
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Aloys Mvuma
島根大学総合理工学部
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Hinamoto T
Graduate School Hiroshima University
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Hinamoto Takao
Hiroshima Univ. Higashi‐hiroshima‐shi Jpn
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Hinamoto Takao
Department Of Artificial Complex Systems Engineering Graduate School Of Engineering Hiroshima Univer
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Hinamoto Takao
The Faculty Of Engineering Hiroshima University
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MVUMA Aloys
the Graduate School of Engineering, Hiroshima University
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