Analog Signal Processor for Adaptive Antenna Arrays
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An analog circuit for beamforming in a mobile Ku band satellite TV antenna array has been implemented. The circuit performs continuous-time gradient descent using simultaneous perturbation gradient estimation. Simulations were performed using Agilent ADS circuit simulator. Field tests were performed in a realistic scenario using a satellite signal. The results were comparable to the simulation predictions and to results obtained using a digital implementation of a similar stochastic approximation algorithm.
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Mircea Hossu (2008). Analog Signal Processor for Adaptive Antenna Arrays. UWSpace. http://hdl.handle.net/10012/3461