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A Minimum Value Based Threshold Setting Strategy for Frequency Domain Interference Excision


Abstract:

We present a robust threshold setting strategy with modest computational complexity for frequency domain interference excision in direct sequence spread-spectrum (DSSS) ...Show More

Abstract:

We present a robust threshold setting strategy with modest computational complexity for frequency domain interference excision in direct sequence spread-spectrum (DSSS) commu-nication systems. The proposed strategy calculates the threshold by multiplying the minimum value of the averaged squared magnitude with a predefined scaling factor. An analytical framework for choosing the scaling factor is developed based on the principle of constant false-alarm rate (CFAR). Numerical results indicate that the new strategy outperforms existing ones in a wide range of partial-band jamming scenarios.
Published in: IEEE Signal Processing Letters ( Volume: 17, Issue: 5, May 2010)
Page(s): 501 - 504
Date of Publication: 30 October 2009

ISSN Information:


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