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A fast converging integrated implementation of zero-knowledge beamforming algorithm for phased-array receivers

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Abstract

This paper presents a new implementation of adaptive beamforming algorithm that can be fully implemented on chip. It does not require the knowledge of the incoming signal direction or phase shifter characteristics. Besides, it eliminates the need for the ADC to convert the analog output signal to digital values for the microprocessor and the DAC to apply the calculated values to the control voltages of the analog phase shifters. Thus, it exhibits better convergence speed. In addition, the need for the complex and power-hungry processor is eliminated. Therefore, this implementation consumes less power. Analytical equations and constraints on system design parameters are derived, and the circuit implementation of the proposed method for adaptive beamforming algorithm is presented.

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Authors and Affiliations

  1. Department of Electrical Engineering, Sharif University of Technology, Tehran, 11365-11155, Iran

    Ali Ahmadikia & Seyed Mojtaba Atarodi

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  1. Ali Ahmadikia
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  2. Seyed Mojtaba Atarodi
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Correspondence to Seyed Mojtaba Atarodi.

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Ahmadikia, A., Atarodi, S.M. A fast converging integrated implementation of zero-knowledge beamforming algorithm for phased-array receivers. Analog Integr Circ Sig Process 100, 11–22 (2019). https://doi.org/10.1007/s10470-019-01441-x

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  • DOI: https://doi.org/10.1007/s10470-019-01441-x

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