| 摘要 |
A mobile station, a mobile communication system comprising the mobile station and a base transceiver station, and a transmission timing control method in a mobile station, controlling a transmission timing of transmission data sent to the base transceiver station so as to cancel a difference between a first elapsed time comprising a difference between a transmission timing of first data transmitted from the base transceiver station (56) and a reception timing when the first data arrives at the mobile station (50) and the second elapsed time comprising a difference between a transmission timing of second data transmitted from the base transceiver station after the transmission of the first data and a reception timing when the second data arrives at the mobile station, whereby effective use of the wireless band becomes possible by controlling the transmission timing of data from the mobile station without using a control channel, the measurement of the reception timing at the base transceiver station becomes unnecessary, and recognition of the control channel by the base transceiver station becomes unnecessary, thereby allowing for reduction of processing time in the base transceiver station, shorter control, and reduction of the length of guard interval in frames.
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