Hybrid Beamforming Receiver Dynamic Range Theory to Practice

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  • Author: Peter Delos, Sam Ringwood, Mike Jones

This article covers the following comparison of measurements vs. analysis for  receiver dynamic range metrics in a phased array hybrid beamforming architecture. A commercially available 32-channel development platform is used to validate the analysis with measurements. The receiver analysis for sub-array beamforming is reviewed, with an emphasis on handling the differences between signal gain and noise gain at the point where signals are combined in the analog sub-array. An analysis is shown for the development platform receiver performance and compared against measured results. A summary of the results is discussed with the intention to provide a measured vs. modeled reference point that can be leveraged to predict the performance of larger systems.

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