Indoor high accuracy positioning

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Indoor high accuracy positioning
Positioning for indoor environment GPS isnt
available
High accuracy positioning system using array
antenna
Positioning by Angle of Arrival (AOA) estimation

• Reflected wave
• Mutual coupling of each element
• Positioning technique

Simulation with
etc
The effectiveness of positioning system using
array antenna
3
Simulation result
x
Rx 1 (15,6,0)
Simulation with ray-tracing method
Rx 3 (24,15,0)
33
Array shapes
y
z
Rx 2 (6,15,0)
2.4GHz
Carrier frequency
Rx 4 (15,24,0)
0.45?
Antenna spacing
-5dBm
Transmitting power
Tx (dx,dy,2)
5
30
Noise power
-75dBm
30
Change the position of transmitter
Unit m
RMSE of positioning for each position
(3ltdx,dylt27 every 4m step)
5
Positioning accuracy within 1m is completed in
most position.
m
0