Narrowband Jammer Excision in CDMA Using Particle Swarm Optimization

Authors:
Imran Zaka;Habib Ur Rehman;Muhammad Naeem;Syed Ismail Shah;Jamil Ahmad
Affiliations:
Center for Advanced Studies in Engineering (CASE), , Islamabad, Pakistan;Center for Advanced Studies in Engineering (CASE), , Islamabad, Pakistan;School of Engineering Science, Simon Fraser University, Canada;Iqra University Islamabad Campus, Islamabad, Pakistan H-9;Iqra University Islamabad Campus, Islamabad, Pakistan H-9
Venue:
ICIC '08 Proceedings of the 4th international conference on Intelligent Computing: Advanced Intelligent Computing Theories and Applications - with Aspects of Theoretical and Methodological Issues
Year:
2008

Citing 3
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Swarm intelligence

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Accuracy and Stability of Numerical Algorithms

Accuracy and Stability of Numerical Algorithms
Optimum interference excision in spread spectrum communicationsusing open-loop adaptive filters

IEEE Transactions on Signal Processing

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Abstract

We formulate the narrowband jammer excision as an optimization problem and present a new algorithm that is based on Particle Swarm Optimization (PSO). In this paper particle positions represent the filter weights and particle velocity represents the updating increment of the weighting matrix. Simulation and numerical results show that PSO based algorithm is a feasible approach for jammer excision. It approaches the optimum performance in fewer iterations with lower complexity. The performance improvement is shown by plotting the Bit Error Rate (BER) as a function of Signal to Interference and Noise Ratio (SINR).