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    • 52. 发明公开
    • RADIO COMMUNICATION SYSTEM, BASE STATION DEVICE, MOBILE STATION DEVICE AND RANDOM ACCESS METHOD
    • FUNKKOMMUNIKATIONSSYSTEM,BASISSTATIONSVORRICHTUNG,MOBILSTATIONSVORRICHTUNG UND RANDOM-ACCESS-VERFAHREN
    • EP2464186A1
    • 2012-06-13
    • EP10806459.3
    • 2010-08-03
    • Sharp Kabushiki Kaisha
    • KATO, YasuyukiYAMADA, ShoheiSUZUKI, Shoichi
    • H04W72/04H04W74/08
    • H04W74/008H04L5/0007H04L5/0053H04W74/0833
    • A random access instructed by a base station apparatus and having a small delay is enabled in Advanced-EUTRA system. Upon detection of control data in any one of a plurality of component carriers, component carrier information, a preamble number, and random access channel information are extracted from the control data, and if the extracted information indicates dedicated preamble transmission, a random access channel position to be used is selected from information on random access of a component carrier specified in the component carrier information and the random access channel information, a random access preamble is generated from the information on random access and the dedicated preamble number, and the random access preamble is transmitted at the random access channel position.
    • 在Advanced-EUTRA系统中启用了由基站装置指示并具有小延迟的随机接入。 在检测到多个分量载波中的任何一个分量载波中的控制数据时,从控制数据中提取分量载波信息,前导码和随机接入信道信息,并且如果提取的信息指示专用前导码传输,则随机接入信道位置 从分量载波信息和随机接入信道信息中指定的分量载波的随机接入信息中选择使用的随机接入前导码,根据随机接入信息和专用前导码号生成随机接入前导码,随机接入前导码 在随机接入信道位置发送。