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DEVICE FOR PERFORMING RANDOM ACCESS AND A METHOD THEREOF, CAPABLE OF REDUCING TIME CONSUMED FOR A RANDOM ACCESS PROCEDURE IN A RADIO COMMUNICATIONS SYSTEM
DEVICE FOR PERFORMING RANDOM ACCESS AND A METHOD THEREOF, CAPABLE OF REDUCING TIME CONSUMED FOR A RANDOM ACCESS PROCEDURE IN A RADIO COMMUNICATIONS SYSTEM
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机译:用于执行随机访问的设备及其方法,能够减少无线电通信系统中用于随机访问过程的时间
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摘要
PURPOSE: A device for performing random access in a radio communications system and a method thereof are provided to secure a time alignment value commonly applied to multiple secondary serving cells by one random access procedure.;CONSTITUTION: A random access processing part (2812) produces a random access preamble. A transmission part (2820) transmits the random access preamble to a base station at a secondary serving cell. A receiving part (2850) receives a random access response message, which is included in a physical downlink control channel and a physical downlink control channel shared channel scrambled with a cell-radio network temporary identifier (C-RNTI) which is the unique identifier of a terminal, from the base station. The physical down link shared channel is directed by physical downlink control information.;COPYRIGHT KIPO 2013;[Reference numerals] (2805,2860) Receiving part; (2810) Terminal processor; (2811,2871) RRC processing part; (2812,2872) Random access processing part; (2820,2855) Transmission part; (2870) Base station processor; (AA) Group index; (BB) Random access preamble
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