Bluetooth Channel Sounding technique for distance estimation# Table of Contents Introduction Bluetooth Channel Sounding high-level requirements The channel sounding standard description Software layers architecture description The channel sounding procedure description The CS high-level view Channel Sounding steps description CS step mode 0 CS step mode 1 CS step mode 2 CS step mode 3 Channel Sounding mode sequencing Wireless channels randomization RTT estimation fundamentals Narrowband ToF Timestamping mechanism Multi-stage ToF Timestamp collection Preprocessing Postprocessing Zero distance calibration (ToFbias) RTP estimation fundamentals Slope-based PDE Complex Distance Estimation (CDE) PDE implementation Initialization and calibration IQ data capture Phase processing Distance estimation Test setup description Conclusion Acronyms
