Frequency Selective IQ Phase and IQ Amplitude Imbalance Adjustments for OFDM Direct Conversion Transmitters

Abstract

Low power and low cost analog front-end architectures are required to provide competitive applications based on e.g. the IEEE802.11a Wireless LAN standard. Direct conversion analog front-end architectures can fulfill these demands but may introduce unwanted imperfections like IQ amplitude and IQ phase errors. This paper presents a fully digital solution to… (More)

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