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Adaptive optimization of the notch bandwidth of a lattice-based adaptive infinite impulse response (IIR) notch filter is presented in this paper. The filter is used to improve the performance of a direct sequence spread spectrum (DSSS) binary phase shift keying (BPSK) communication system by suppressing a narrow-band interference at the receiver. A least mean square (LMS) algorithm used to adapt the notch bandwidth coefficient to its optimum value which corresponds to the maximum signal to noise ratio (SNR) improvement factor is derived. Bit error rate (BER) improvement gained by the DSSS communication system using the filter with the optimized notch bandwidth is also shown. Computer simulation results are compared with those obtained analytically to demonstrate the validity of theoretical predictions for various received signal parameters.

- Publication
- IEICE TRANSACTIONS on Fundamentals Vol.E85-A No.8 pp.1789-1797

- Publication Date
- 2002/08/01

- Publicized

- Online ISSN

- DOI

- Type of Manuscript
- Special Section PAPER (Special Section on Digital Signal Processing)

- Category
- Adaptive Signal Processing

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Aloys MVUMA, Shotaro NISHIMURA, Takao HINAMOTO, "Adaptive Optimization of Notch Bandwidth of an IIR Filter Used to Suppress Narrow-Band Interference in DSSS System" in IEICE TRANSACTIONS on Fundamentals,
vol. E85-A, no. 8, pp. 1789-1797, August 2002, doi: .

Abstract: Adaptive optimization of the notch bandwidth of a lattice-based adaptive infinite impulse response (IIR) notch filter is presented in this paper. The filter is used to improve the performance of a direct sequence spread spectrum (DSSS) binary phase shift keying (BPSK) communication system by suppressing a narrow-band interference at the receiver. A least mean square (LMS) algorithm used to adapt the notch bandwidth coefficient to its optimum value which corresponds to the maximum signal to noise ratio (SNR) improvement factor is derived. Bit error rate (BER) improvement gained by the DSSS communication system using the filter with the optimized notch bandwidth is also shown. Computer simulation results are compared with those obtained analytically to demonstrate the validity of theoretical predictions for various received signal parameters.

URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/e85-a_8_1789/_p

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@ARTICLE{e85-a_8_1789,

author={Aloys MVUMA, Shotaro NISHIMURA, Takao HINAMOTO, },

journal={IEICE TRANSACTIONS on Fundamentals},

title={Adaptive Optimization of Notch Bandwidth of an IIR Filter Used to Suppress Narrow-Band Interference in DSSS System},

year={2002},

volume={E85-A},

number={8},

pages={1789-1797},

abstract={Adaptive optimization of the notch bandwidth of a lattice-based adaptive infinite impulse response (IIR) notch filter is presented in this paper. The filter is used to improve the performance of a direct sequence spread spectrum (DSSS) binary phase shift keying (BPSK) communication system by suppressing a narrow-band interference at the receiver. A least mean square (LMS) algorithm used to adapt the notch bandwidth coefficient to its optimum value which corresponds to the maximum signal to noise ratio (SNR) improvement factor is derived. Bit error rate (BER) improvement gained by the DSSS communication system using the filter with the optimized notch bandwidth is also shown. Computer simulation results are compared with those obtained analytically to demonstrate the validity of theoretical predictions for various received signal parameters.},

keywords={},

doi={},

ISSN={},

month={August},}

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TY - JOUR

TI - Adaptive Optimization of Notch Bandwidth of an IIR Filter Used to Suppress Narrow-Band Interference in DSSS System

T2 - IEICE TRANSACTIONS on Fundamentals

SP - 1789

EP - 1797

AU - Aloys MVUMA

AU - Shotaro NISHIMURA

AU - Takao HINAMOTO

PY - 2002

DO -

JO - IEICE TRANSACTIONS on Fundamentals

SN -

VL - E85-A

IS - 8

JA - IEICE TRANSACTIONS on Fundamentals

Y1 - August 2002

AB - Adaptive optimization of the notch bandwidth of a lattice-based adaptive infinite impulse response (IIR) notch filter is presented in this paper. The filter is used to improve the performance of a direct sequence spread spectrum (DSSS) binary phase shift keying (BPSK) communication system by suppressing a narrow-band interference at the receiver. A least mean square (LMS) algorithm used to adapt the notch bandwidth coefficient to its optimum value which corresponds to the maximum signal to noise ratio (SNR) improvement factor is derived. Bit error rate (BER) improvement gained by the DSSS communication system using the filter with the optimized notch bandwidth is also shown. Computer simulation results are compared with those obtained analytically to demonstrate the validity of theoretical predictions for various received signal parameters.

ER -