RF Subsampling Feedback Loop Technique for Concurrent Dual-Band PA Linearization

Abstract

This paper investigates feedback loops using radio-frequency (RF) subsampling analog-to-digital converters as a way to improve the concurrent dual-band transmitters linearization. The feedback loop will be characterized and post compensated in the digital domain, followed by a new technique for a concurrent dual-band digital predistortion (DPD) scenario… (More)

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