FIELD: radio engineering, communication.
SUBSTANCE: invention relates to a mobile communication system. Disclosed is a mobile communication system comprising a mobile station UE which uses carrier combination performed to allow transmission of an uplink data signal to a radio base station eNB using a plurality of elementary carriers having different frequencies, including timer interval TA storage modules, configured to store a timer interval TA corresponding to said plurality of elementary carriers; and state control modules configured to control the state of said plurality of elementary carriers, wherein the state control modules are configured to set as an elementary carrier state, the reading of a timer TA which has run out, an asynchronous state.
EFFECT: time of receiving an uplink signal at a radio base station eNB can be kept within a constant range even when using carrier combination.
3 cl, 4 dwg
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Authors
Dates
2014-07-20—Published
2011-01-07—Filed