Localization Sequence RTLAB. Jo Hyeong gon Localization Sequence

Index. HW change Present sequence Propose sequence Future work

HW change CC2430 ▷ CC2530 Accelerometer Change KXSD9-2042 Digital Tri-Axis Accelerometer Small size (3x3x0.9) Low power consumption (220uA~ 0.1uA) Motion Wake Up interrupt I2C/SPI interface

Present design

Present implementation

Design consideration Wake up point Active mode : Radio on, peripherals active PM2 : Digital regulator off, oscillator off 32k XOSC, POR, sleep timer, ext interrupt active RAM and register retention Wake up method Sleep timer : periodic Motion interrupt : event sensitive

Propose sequence.1 (1)

Propose sequence.1 (2)

Design consideration Traffic Accuracy Number of packet during localization Number of packet at point Accuracy Localization period Stability of location

Propose sequence.2

Future work develop Problem SPI library Sequence implementation Bandwidth test

Q&A