The Cricket Location-Support System. By: Min Chen 10/28/03. Goal. User Privacy Decentralized administration Network heterogeneity Low cost Room-sized granularity. System Architecture. Beacon: Disseminate the string of space information about a geographic space to listeners.
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The Cricket Location-Support System
By: Min Chen
Disseminate the string of space information about a geographic space to listeners.
Use combination of RF and ultrasound to provide a location-support service to users.
------ System parameters
------ Listener Inference Algorithms
use a relatively sluggish RF data transmission rate.
Experiment: Static Performance (Cont)
Concerns when apply to sensor network
Calibration On the Transmitter.
Kalman Filter for the Mobile Algorithm