Approximation of the Performance Loss of an Adaptive Array due to a Neighboring Interferer 


Vol. 32,  No. 4, pp. 433-439, Apr.  2007


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  Abstract

This paper derives an approximate expression for the output SINR (Signal to Interference plus Noise Ratio) of Applebaum type adaptive array under the scenario of the interferer’s proximity to the desired signal. The approximation is made in terms of array geometry, the arrival direction of desired signal and that of an interfering signal. An interferer in the close proximity of target signal is shown to drastically impair the array performance. An approximate expression for interferer arrival direction which results in a predetermined performance loss is also obtained in terms of array configurations. Proposed approximation agrees with the computer calculated performance impairment when the two signals are apart by less than eight degrees. The allowable proximity of the interfering signal increases with the number of array elements.

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  Cite this article

[IEEE Style]

Y. Hong, "Approximation of the Performance Loss of an Adaptive Array due to a Neighboring Interferer," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 4, pp. 433-439, 2007. DOI: .

[ACM Style]

Young-Jin Hong. 2007. Approximation of the Performance Loss of an Adaptive Array due to a Neighboring Interferer. The Journal of Korean Institute of Communications and Information Sciences, 32, 4, (2007), 433-439. DOI: .

[KICS Style]

Young-Jin Hong, "Approximation of the Performance Loss of an Adaptive Array due to a Neighboring Interferer," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 4, pp. 433-439, 4. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880