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    • 3. 发明申请
    • METHOD FOR USER EQUIPMENT TO PERFORM RANDOM ACCESS TO BASE STATION IN WIRELESS COMMUNCIATION SYSTEM THAT SUPPORTS MULTIPLE UPLINK AND DOWNLINK CARRIERS
    • 用户设备在支持多个上行链路和下行链路载波的无线通信系统中对基站进行随机接入的方法
    • WO2010062060A2
    • 2010-06-03
    • PCT/KR2009006428
    • 2009-11-03
    • LG ELECTRONICS INCSEO DONG YOUNLEE JUNG HOONKIM KI JUNAHN JOON KUI
    • SEO DONG YOUNLEE JUNG HOONKIM KI JUNAHN JOON KUI
    • H04W74/08
    • H04W74/002H04L5/001H04W74/0833
    • A method for a user equipment to perform random access to a base station in a wireless communication system that supports multiple uplink and downlink carriers is provided. In the method, system information including cell identifier information of each of the downlink component carriers and PRACH TF slot and preamble sequence information which is common to all downlink component carriers, the system information being broadcast through each downlink component carrier corresponding to the cell identifier information, is received. A PRACH preamble is transmitted through one uplink component carrier linked to the downlink component carriers using the received PRACH TF slot and preamble sequence information. An RACH response is received through each of the downlink component carriers. The cell identifier information is used to transmit a Radio Resource Control (RRC) connection request signal and cell identifier information of a downlink component carrier, which the user equipment desires to access among the downlink component carriers.
    • 提供了一种用于用户设备在支持多个上行链路和下行链路载波的无线通信系统中执行对基站的随机接入的方法。 在该方法中,系统信息包括每个下行链路分量载波的小区标识符信息和PRACH TF时隙以及所有下行链路分量载波共同的前导码序列信息,系统信息通过与小区标识符信息对应的每个下行链路分量载波广播 ,收到。 使用所接收的PRACH TF时隙和前导码序列信息,通过链接到下行链路分量载波的一个上行链路分量载波来发送PRACH前导码。 通过每个下行链路分量载波接收RACH响应。 小区标识信息用于发送下行分量载波中用户设备希望接入的下行分量载波的无线资源控制(RRC)连接请求信号和小区标识信息。