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ADAPTIVE ARRAY SYSTEM FOR JAMMING SOURCES CANCELLATION IN TWO DIMENSIONAL PLANES | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 20, Issue 2, 2016, Pages 190-203 | ||
| Authors | ||
| Bassim Sayed Mohammed; Zahraa Amer Al-Shamma | ||
| Abstract | ||
| The aim of this paper is to enhance the desired signal reception while suppressing the reception of inference signals to get maximum signal to interference plus noise ratio (SINR) at the output. Airborne interference sources need to be canceling in two planes azimuth and elevation to ensure an active cancellation for these sources. It is found that a circular array adaptive antenna system has a good capability to track any source in two planes simultaneously so that it has been chosen .The function of proposed model is to put the main lobe in the direction of desired signal while creating nulls in the direction of interference sources .In this paper we proposed a circular adaptive antenna array system configuration in conjunction with minimum mean square error (MMSE) algorithm to suppress or cancel the effect of deliberated interference sources in the elevation and azimuth planes .The effect of interference signal parameters on the designed system performance is analyzed and investigated such as the output signal plus interference to noise ratio (SINR) and interference to noise ratio (INR).The results show that the proposed system exhibit a good cancellation performance in the azimuth and elevation plane in the direction of interferences sources while keeping track a maximum reception in the direction of desired signal. | ||
| Keywords | ||
| adaptive array; adaptive beam; forming processing; smart antenna; uniform circular antenna array; minimum mean square error algorithm; signal to interference plus noise ratio; interference to noise ratio | ||
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