what is pbch in lte?
PBCH (LTE) PBCH is the Physical Broadcast Channel and is present in downlink signals only. PBCH is transmitted on symbols 0, 1, 2, and 3 of slot 1 and occupies the center 72 subcarriers. PBCH is not transmitted on any resource elements assigned to C-RS for antenna ports 0, 1, 2, and 3.