Beam Width Performance of the Adaptive Beam Former Based on Pseudo-Interference Technique

Yi Chu; Wei Yau Horng; Shinn Fwu Wang; Yuan Fong Chau; Jeng Hua Wei

doi:10.4028/www.scientific.net/AMM.246-247.1144

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 246-247Beam Width Performance of the Adaptive Beam Former...

Beam Width Performance of the Adaptive Beam Former Based on Pseudo-Interference Technique

Abstract:

In this paper, we examine the beam width performance of the recently addressed robust Capon beam formers. This adaptive array employs the estimated steering vector, injected noise, and pseudo-interference to provide robustness against direction mismatch. With the generalized side lobe canceller (GSC) as the underlying structure, we first derive the effect of angular mismatch on the estimated interference correlation matrix. Then, a simple approximate expression is presented for output signal-to-interference-plus-noise-ratio (SINR) of this new beam former. Based on this expression, the angular beam width of this robust beam former is investigated. Simulation results verify the analytically predicted performance.

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Periodical:

Applied Mechanics and Materials (Volumes 246-247)

Pages:

1144-1148

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.246-247.1144

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Online since:

December 2012

Authors:

Yi Chu, Wei Yau Horng, Shinn Fwu Wang, Yuan Fong Chau, Jeng Hua Wei

Keywords:

Adaptive Antenna Array, Angular Beam Width, Interference Cancellation, Pseudo-Interference, Robust Beam Former

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References

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