Presentation 2006-04-26
Analysis on Interference Rejection of DS/SS Systems Using a Complex FIR Filter
Yuki SHIMIZU, Yukitoshi SANADA,
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Abstract(in English) In this paper, the performance of narrow band interference (NBI) rejection scheme for direct sequence spread spectrum (DS/SS) is analyzed. A single-tapped complex FIR filter is used for filtering a chip code to suppress NBI. In this system, the spectrum of transmitted signal has a null at an arbitrary frequency. By choosing filter coefficients, we place this null at NBI center frequency to mitigate the effect of NBI. The performance of the proposed scheme is theoretically analyzed and validated by simulation. The results indicate the FIR filtering is effective against single-tone and BPSK interference.
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Keyword(in English) spread spectrum / direct sequence / narrow band interference / FIR
Paper # SR2006-6
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Committee SR
Conference Date 2006/4/18(1days)
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Registration To Software Radio(SR)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Analysis on Interference Rejection of DS/SS Systems Using a Complex FIR Filter
Sub Title (in English)
Keyword(1) spread spectrum
Keyword(2) direct sequence
Keyword(3) narrow band interference
Keyword(4) FIR
1st Author's Name Yuki SHIMIZU
1st Author's Affiliation Dept. of Electronics and Electrical Engineering, Keio University()
2nd Author's Name Yukitoshi SANADA
2nd Author's Affiliation Dept. of Electronics and Electrical Engineering, Keio University
Date 2006-04-26
Paper # SR2006-6
Volume (vol) vol.106
Number (no) 27
Page pp.pp.-
#Pages 5
Date of Issue