基本流程图

Data warehouse

Device

activatemessage

N

A: DataTracker activate messageB: SMS activate message

SMSChannel

Data Channel 1.When the first time the phone is connected to the Internet ，DT will report the data 2.The server returns the acknowledgment signal to the phone after receiving the first packet

Count sum+1Store user data to the database

Y

DataTracker

ETL

The total number ofsamples includ A&B

Data Channel

The data center accepts all data sources and then through the ETL to get a valid real unique device user

duplicate

Device ActivationData ProcessingFlow

BI

SMS Channel 1.The DT will send a text message by the device start up 3 hours later(The time period is adjustable）