FIELD: communication equipment.
SUBSTANCE: invention relates to communication. Transmit power capability and power headroom report (PHR) method includes: receiving configuration information for at least one medium access control (MAC) entity for transmitting and receiving a signal; receiving uplink resource allocation information for a first MAC entity included in the at least one MAC entity; and transmitting, if change of measurement on one of the at least one MAC entity is equal to or greater than a threshold, a PHR on an uplink resource corresponding to the first MAC entity, based on the uplink resource allocation information.
EFFECT: transmit power capability and power headroom report (PHR) method and an apparatus of a user equipment (UE) operating in an inter-evolved Node B (Inter-eNB) carrier aggregation or dual connectivity mode for use in a mobile communication system are provided.
15 cl, 23 dwg, 2 tbl
