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A NOVEL ULTRA-FAST ULTRA-SIMPLE ADAPTIVE BLIND BEAMFORMING ALGORITHM FOR SMART ANTENNA ARRAYS

By A. N. Jabbar

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Abstract:
This research proposes a new blind tracking algorithm for smart antenna arrays by switching the main beam iteratively using the cost calculated from the received and predicted symbol. This algorithm will be called Cost Steering Algorithm Using Demodulation-Remodulation Technique COSTAUS/DRT. It is completely independent of the Least Mean Squares (LMS) or any derived version from it, and it does not need to investigate the cyclostationary properties of the incoming signal. A complete derivation and analytical model with simulation using Simulink is given in this research. The algorithm was tested under three different target motions which are a triangular motion (linear), sinusoidal motion (circular) and saw tooth motion which is an adverse case when the linear motion changes its path suddenly. The transmitter uses 16-level PSK signal with no Forward Error Correction code (FEC) in order to test the algorithm under the worst situation. The algorithm is tested under different noise power levels. The antenna array is a linear array with 16-elements.

Citation:
A. N. Jabbar, "A Novel Ultra-Fast Ultra-Simple Adaptive Blind Beamforming Algorithm for Smart Antenna Arrays," Progress In Electromagnetics Research B, Vol. 35, 329-348, 2011.
doi:10.2528/PIERB11091504

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