POWER ON PROCEDURE
When UE is getting power on, No idea of frequency to be latched.
FBS=Full Band Scan(For New Phone/New SIM)
DBS=Derived Band Scan(For Old Phone/Old SIM)
UE POWER ON
STEP1: RSSI Scan(it is just to measuring power/power level)
Lets take an example, Our UE support bands like 2,3,20.
FREQUENCY_SCAN_REQ Earfcn 760(B2),1348(B3),6289(B20) report RSSI.
STEP2: Filter by RSSI Threshold
CELL_SCAN_REQ Earfcn 1348(B3)
STEP3: PSS,SSS Decoding
STEP4: MIB Decoding
STEP5: SIB Decoding
POWER ON PROCEDURE IN DETAIL
Comments
Post a Comment