Mobile station
AssigneeNtt Docomo, Inc.
InventorsTooru Uchino, Hideaki Takahashi, Wuri Andarmawanti Hapsari
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Abstract
To perform “Inter-eNB CA” without complicating the implementation of a radio base station MeNB. A mobile station UE of the present invention includes a controlling unit 13 configured to, when in “RRC_Connected state” in Pcell that is under the control of the radio base station MeNB, and when Scell that is under the control of a radio base station SeNB has been set, autonomously activate the Scell.
Claims4
A mobile station comprising:
- a controlling unit configured to, when in a connected state in a cell that is under the control of a master radio base station, and when a secondary cell that is under the control of a secondary radio base station has been set, activate the secondary cell, wherein
- the controlling unit is configured to activate a secondary cell among the plurality of secondary cells in which PUCCH for secondary cell has been set.
-8. (canceled)
A mobile station capable of performing a simultaneous communication using component carriers that are under the control of a master radio base station and a secondary radio base station comprising:
- a controlling unit configured to, in the simultaneous communication, when a secondary cell that is under the control of the secondary radio base station is made active, start a random access procedure in the secondary cell.
The mobile station as claimed in claim 2, wherein a resource for PRACH used in the random access procedure is configured to be specified by RRC message when the secondary cell is set.
Dependencies are inferred from the claim text.