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    • 33. 发明申请
    • METHOD FOR TRANSMITTING PILOT SYMBOLS IN DOWNLINK MULTIPLE-INPUT MULTIPLE-OUTPUT SYSTEM
    • 在下行链路多输入多输出系统中传输导频符号的方法
    • WO2010071311A2
    • 2010-06-24
    • PCT/KR2009007190
    • 2009-12-03
    • LG ELECTRONICS INCLEE MOON ILKOO JAHOKO HYUNSOOCHUNG JAE HOONIHM BIN CHULKWON YEONG HYEON
    • LEE MOON ILKOO JAHOKO HYUNSOOCHUNG JAE HOONIHM BIN CHULKWON YEONG HYEON
    • H04B7/04H04B1/76
    • H04B7/0413
    • The present invention relates to a method for transmitting pilot signals in a downlink multiple-input multi-output (MIMO) system which supports a first user equipment (UE) for supporting an N number of transmitter antennas from among a total M number of transmitter antennas, and a second UE for supporting said M (wherein, M>N) number of transmitter antennas. The method comprises the steps of: enabling a base station to map pilot symbols in a resource block (RB) on a subframe for transmitting user-specific pilot symbols which can be recognized only by the second UE; and enabling the base station to transmit the subframe in which the pilot symbols are mapped. The cell-specific pilot symbols for transmitter antenna ports 0 to N-1, which can be recognized by both the first UE and the second UE, and the user-specific pilot symbols for transmitter antenna ports N to M-1, which can be recognized only by the second UE, are mapped in the allocated resource block.
    • 本发明涉及一种用于在下行链路多输入多输出(MIMO)系统中发送导频信号的方法,该系统支持用于支持总共M个发射机天线中的N个发射机天线的第一用户设备(UE) 以及用于支持所述M个(其中,M> N)个发射机天线的第二UE。 该方法包括以下步骤:使基站能够在用于发送仅能由第二UE识别的用户专用导频符号的子帧上的资源块(RB)中映射导频符号; 并且使基站能够发送导频符号被映射的子帧。 可以由第一UE和第二UE两者识别的用于发射器天线端口0至N-1的小区特定导频符号以及用于发射器天线端口N至M-1的用户专用导频符号可以是 仅被第二UE识别的信息被映射到分配的资源块中。
    • 36. 发明申请
    • EFFICIENT INITIAL ACCESS SYSTEM UNDER A MULTI-CARRIER COMBINATION CONDITION FOR SUPPORTING BROADBAND
    • 用于支持宽带的多载波组合条件下的有效初始接入系统
    • WO2010047545A3
    • 2010-07-29
    • PCT/KR2009006125
    • 2009-10-22
    • LG ELECTRONICS INCKIM SO YEONCHUNG JAE HOONKWON YEONG HYEONHAN SEUNG HEELEE MOON IL
    • KIM SO YEONCHUNG JAE HOONKWON YEONG HYEONHAN SEUNG HEELEE MOON IL
    • H04W74/00H04L27/26H04W88/06
    • H04L5/0098H04L5/0007H04L5/0092H04L5/0096H04W74/08
    • The present invention relates to a wireless access system, and more particularly, to an initial access system under a multi-carrier combination condition. A method for performing an initial access in a base station which supports the multi-band of a terminal according to one embodiment of the present invention comprises the steps of: searching one or more downlink component carriers of the base station; receiving system information including a broadcast channel of a first downlink component carrier from among the searched one or more downlink component carriers and information for indicating one or more uplink component carriers connected to the first downlink component carrier; transmitting a first message to the base station through a first uplink component carrier from among one or more uplink component carriers indicated by the received system information; and receiving a second message including uplink authorization information from the base station through the first downlink component carrier.
    • 多载波组合条件下的初始接入系统技术领域本发明涉及无线接入系统,并且更具体地涉及多载波组合条件下的初始接入系统 根据本发明的一个实施例的用于在支持终端的多频带的基站中执行初始接入的方法包括步骤:搜索基站的一个或多个下行链路分量载波; 接收包括搜索到的一个或多个下行链路分量载波中的第一下行链路分量载波的广播信道的系统信息以及用于指示连接到第一下行链路分量载波的一个或多个上行链路分量载波的信息; 通过第一上行链路分量载波从由所接收的系统信息指示的一个或多个上行链路分量载波中向基站发送第一消息; 以及通过第一下行链路分量载波从基站接收包括上行链路授权信息的第二消息。