Acronyms#
The table below lists the terms and acronyms used in this document.
Term |
Definition |
|---|---|
Measurement bias |
Constant offset observed between estimated distance and real distance |
Central/Peripheral |
Refer to BLE connection roles – the central must be connected to a PC |
Initiator |
Device initiating the measurement and collecting data |
Reflector |
Device responding to the initiator during measurement phase |
Multi channel IQ (MCIQ) |
Method to capture IQ samples of data exchanged between two devices on multiple channels separated by a fixed increment |
Time of flight (ToF) |
Method to capture round-trip time between two devices and estimate distance based on speed of light |
Complex-domain distance estimation (CDE) |
Phase-based distance estimation algorithm |
Multiple signal classification (MUSIC) |
Phase-based distance estimation super-resolution algorithm |
RTT |
Round-trip time |
RTP |
Round-trip phase; synonym for MCIQ |
HADM |
High accuracy distance measurement |
CS |
New name for HADM |
AGC |
Automatic gain control |
CFO |
Carrier frequency offset |
RSSI |
Receive signal strength indicator |
PCT |
Phase correction term (I&Q) |
WR |
Wireless ranging application |
RADE |
Rapid and accurate distance estimation |
Parent topic:Appendices