MOBILE COMMUNICATION METHOD

摘要

An object is to realize “2DL, 1UL” “Inter-eNB CA”. A mobile communication method according to the present invention includes, a radio base station (MeNB) transmitting, when a bearer #1 has been set between a mobile station (UE) and the radio base station (MeNB), to the mobile station (UE) an information element “DRB-ToAddMod_SeNB” or “DRB-ToAddMod” that instructs to add a bearer #2 between a radio base station (SeNB) and to modify the settings of the bearer #1; and the mobile station (UE) modifying, according to the information element “DRB-ToAddMod_SeNB” or “DRB-ToAddMod”, the settings of the bearer #1, and adding the bearer #2 to receive a downlink signal via the bearer #1 and the bearer #2 and transmit an uplink signal via either the bearer #1 or the bearer #2.

主权项

1. A mobile communication method comprising:
a step A in which a first radio base station transmits, when a first bearer has been set between a mobile station and the first radio base station, to the mobile station an information element that instructs to add a second bearer between a second radio base station and to modify settings of the first bearer; and a step B in which the mobile station, according to the information element, modifies the settings of the first bearer and adds the second bearer to receive a downlink signal via the first bearer and the second bearer and transmit an uplink signal via either the first bearer or the second bearer.