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    • 81. 发明申请
    • EFFICIENT INITIAL ACCESS SYSTEM UNDER A MULTI-CARRIER COMBINATION CONDITION FOR SUPPORTING BROADBAND
    • 在支持宽带的多载波组合条件下的有效的初始接入系统
    • US20110286411A1
    • 2011-11-24
    • US13125505
    • 2009-10-22
    • So Yeon KimJae Hoon ChungYeong Hyeon KwonSeung Hee HanMoon Il Lee
    • So Yeon KimJae Hoon ChungYeong Hyeon KwonSeung Hee HanMoon Il Lee
    • H04W74/08
    • H04L5/0098H04L5/0007H04L5/0092H04L5/0096H04W74/08
    • The present invention relates to a wireless access system, and more particularly, to an initial system under a multi-carrier combination condition. A method of 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.
    • 无线接入系统技术领域本发明涉及一种无线接入系统,尤其涉及一种多载波组合条件下的初始系统。 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以下步骤:搜索基站的一个或多个下行链路分量载波; 从搜索到的一个或多个下行链路分量载波中接收包括第一下行链路分量载波的广播信道的系统信息和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的第一上行链路分量载波向基站发送第一消息; 以及通过所述第一下行链路分量载波从所述基站接收包括上行链路授权信息的第二消息。
    • 82. 发明申请
    • METHOD FOR TRANSMITTING PILOT SYMBOLS IN DOWNLINK MULTIPLE-INPUT MULTIPLE-OUTPUT SYSTEM
    • 用于在下行多路输入多输出系统中传输引导符号的方法
    • US20110274067A1
    • 2011-11-10
    • US13139719
    • 2009-12-03
    • Moon Il LeeJaho KooHyunsoo KoJae Hoon ChungBin Chul IhmYeong Hyeon Kwon
    • Moon Il LeeJaho KooHyunsoo KoJae Hoon ChungBin Chul IhmYeong Hyeon Kwon
    • H04W72/04
    • 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 port 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,该系统支持从总共M个发射天线中支持N个发射机天线的第一用户设备(UE) 以及用于支持所述M(其中,M> N)个发射机天线的第二UE。 该方法包括以下步骤:使基站能够映射用于发送仅由第二UE识别的用户专用导频符号的子帧的资源块(RB)中的导频符号; 以及使基站能够发送其中映射有导频符号的子帧。 可由第一UE和第二UE识别的发射机天线端口0至N-1的小区特定导频符号和用于发射机天线端口N至M-1的用户特定导频符号,其可被识别 仅由第二UE被映射到所分配的资源块中。
    • 85. 发明申请
    • METHOD FOR PILOT SYMBOL TRANSMISSION IN DOWNLINK MIMO SYSTEM
    • 下行MIMO系统中的引导符号传输方法
    • US20110244873A1
    • 2011-10-06
    • US13121936
    • 2009-10-01
    • Moon Il LeeSeung Hee HanJa Ho KooHyun Soo KoJae Hoon ChungBin Chul Ihm
    • Moon Il LeeSeung Hee HanJa Ho KooHyun Soo KoJae Hoon ChungBin Chul Ihm
    • H04W72/00
    • H04W48/12H04B7/0413H04L5/0023H04L5/0037H04L5/005H04L5/0051
    • The present invention relates to a method for transmitting a pilot signal in a downlink MIMO (Multi Input Multi Output) system that supports a first UE (User Equipment) supporting N number of transmission antennae out of a total of M transmission antennae and supports a second UE supporting said M (M>N) number of transmission antennae. Said method comprises a step wherein a pilot symbol is placed as an image in the resource block (RB) region on a subframe that enables the transmission of a user-specific pilot symbol to said second UE in a base station; and a step wherein the subframe whereon said pilot symbol has been placed as an image is transmitted, wherein said RB region includes a first region and a second region, and the first region and the second region each include a certain number of continuous OFDM symbols on a respective time axis, and on said first region is placed as an image a cell-specific pilot symbol with respect to the transmission antenna ports 0 to N−1 that can recognize both said first UE and said second UE, and on said second region is placed as an image a user-specific pilot symbol with respect to the transmission antenna ports 0 to M that can recognize said UE only.
    • 本发明涉及一种用于在支持在总共M个传输天线中支持N个发射天线的第一UE(用户设备)的下行链路MIMO(多输入多输出))系统中发送导频信号的方法,并且支持第二 UE支持所述M(M> N)个发射天线。 所述方法包括一个步骤,其中导频符号作为图像被放置在能够在基站中向所述第二UE发送用户专用导频符号的子帧上的资源块(RB)区域中; 并且发送其中所述导频符号已经被放置为图像的子帧的步骤,其中所述RB区域包括第一区域和第二区域,并且第一区域和第二区域各自包括一定数量的连续OFDM符号, 相对于能够识别所述第一UE和所述第二UE的发送天线端口0至N-1,并且在所述第二区域上,在所述第一区域上将所述第一区域作为图像放置为小区特定导频符号, 相对于仅能够识别所述UE的发送天线端口0至M而被放置为图像用户特定的导频符号。