NOTE : This note is about a tempary 5G specification that was implemented and tried before 5G specification is finalized. I keep this note for study purpose.

What happens when UE is powered on ?

i) Power On UE

ii) Search the frequency (Tune to the predefined frequency)

iii) Detect PSS, SSS, ESS

iv) Configure to decode xBCCH (331 - 9.1.1.1 for the details)

v) Search xPBCH and decode MIB

vi) Apply the configuration specified in brsTransmissionPeriod in MIB and decode BRS

vii) Apply the configuration specified in ePBCHTransmissionPeriod in MIB and decode xSIB

viii) forward cellIdentity (in xSIB) to higher layer

ix) Apply the basic configuration (331 - 9.2.5 for the details)