Polyphase Channelizers with Frequency Offset - a Bluetooth LE Example

Introduction A Bluetooth LE Trace as Example Input Complex Heterodyne Derivation of Post-Decimation Offset Correction Simplifying for the Half-Bin Offset Case The Odd Case of an Odd Number of Channels Reducing the Number of Phase Adjustment Values Conclusion References Footnotes Introduction In previous blog post, I introduced the polyphase channelizer , a DSP algorithm that is incredibly…