公开(公告)号：US20110286411A1

公开(公告)日：2011-11-24

申请号：US13125505

申请日：2009-10-22

Applicant: So Yeon Kim ,  Jae Hoon Chung ,  Yeong Hyeon Kwon ,  Seung Hee Han ,  Moon Il Lee

Inventor： So Yeon Kim ,  Jae Hoon Chung ,  Yeong Hyeon Kwon ,  Seung Hee Han ,  Moon Il Lee

IPC: H04W74/08

CPC classification number: H04L5/0098 ,  H04L5/0007 ,  H04L5/0092 ,  H04L5/0096 ,  H04W74/08

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20110274067A1

公开(公告)日：2011-11-10

申请号：US13139719

申请日：2009-12-03

Applicant: Moon Il Lee ,  Jaho Koo ,  Hyunsoo Ko ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Yeong Hyeon Kwon

Inventor： Moon Il Lee ,  Jaho Koo ,  Hyunsoo Ko ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Yeong Hyeon Kwon

IPC: H04W72/04

CPC classification number: H04B7/0413

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US08045528B2

公开(公告)日：2011-10-25

申请号：US12385363

申请日：2009-04-06

Applicant: Wook Bong Lee ,  Jin Young Chun ,  Sung Ho Park ,  Moon Il Lee ,  Hyun Soo Ko ,  Bin Chul Ihm

Inventor： Wook Bong Lee ,  Jin Young Chun ,  Sung Ho Park ,  Moon Il Lee ,  Hyun Soo Ko ,  Bin Chul Ihm

IPC: H04Q7/00

CPC classification number: H04B7/0417 ,  H04B7/0452 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/065 ,  H04B7/0689

Abstract: A feedback method for performing a feedback by using a codebook in Multiple Input Multiple Output (MIMO) system includes receiving, by the mobile station, a MIMO mode type information, generating feedback information by using the codebook selected according to the MIMO mode type information, and transmitting the feedback information to the base station. The codebook includes a SU-MIMO codebook and a MU-MIMO codebook, and the MU-MIMO codebook is formed by extracting codebook elements from the SU-MIMO codebook. As a result, the method maximizes a system throughput simultaneously while effectively reducing an amount of feedback information.

Abstract translation: 用于通过使用多输入多输出（MIMO）系统中的码本来执行反馈的反馈方法包括：由移动台接收MIMO模式类型信息，通过使用根据MIMO模式类型信息选择的码本生成反馈信息， 以及将所述反馈信息发送到所述基站。 码本包括SU-MIMO码本和MU-MIMO码本，并且通过从SU-MIMO码本中提取码本元素来形成MU-MIMO码本。 因此，该方法可以同时最大化系统吞吐量，同时有效减少反馈信息的数量。

公开(公告)号：US20110255635A1

公开(公告)日：2011-10-20

申请号：US13141067

申请日：2009-12-17

Applicant: Moon Il Lee ,  Ja Ho Koo ,  Hyun Soo Ko ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Yeong Hyeon Kwon

Inventor： Moon Il Lee ,  Ja Ho Koo ,  Hyun Soo Ko ,  Jae Hoon Chung ,  Bin Chul Ihm ,  Yeong Hyeon Kwon

IPC: H04B1/02 ,  H04W4/00

CPC classification number: H04B7/0469 ,  H04B7/0413 ,  H04B7/0465 ,  H04B7/0478 ,  H04B7/0639

Abstract: The present invention provides a data transmission device and method in a wireless communication system. The device comprises a processor which is connected with the M antennas and which is formed so as to generate data to be transmitted through the M antennas, on the basis of a precoding matrix; the precoding matrix is generated based on a plurality of matrices; and a first matrix, which is one matrix among the plurality of matrices, is selected from within a codebook for N antennas (where N

Abstract translation: 本发明提供一种无线通信系统中的数据发送装置及方法。 该装置包括与M个天线连接的处理器，其被形成为基于预编码矩阵生成将通过M个天线发射的数据; 基于多个矩阵生成预编码矩阵; 并且在用于N个天线（其中N

公开(公告)号：US20110244873A1

公开(公告)日：2011-10-06

申请号：US13121936

申请日：2009-10-01

Applicant: Moon Il Lee ,  Seung Hee Han ,  Ja Ho Koo ,  Hyun Soo Ko ,  Jae Hoon Chung ,  Bin Chul Ihm

Inventor： Moon Il Lee ,  Seung Hee Han ,  Ja Ho Koo ,  Hyun Soo Ko ,  Jae Hoon Chung ,  Bin Chul Ihm

IPC: H04W72/00

CPC classification number: H04W48/12 ,  H04B7/0413 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/005 ,  H04L5/0051

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20110235743A1

公开(公告)日：2011-09-29

申请号：US13072553

申请日：2011-03-25

Applicant: Moon Il LEE ,  Jae Hoon CHUNG ,  Hyun Soo KO ,  Seung Hee HAN

Inventor： Moon Il LEE ,  Jae Hoon CHUNG ,  Hyun Soo KO ,  Seung Hee HAN

IPC: H04L27/00

CPC classification number: H04L5/0007 ,  H04J11/00 ,  H04J2011/0096 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0073 ,  H04L5/0082 ,  H04L5/0091 ,  H04W72/042

Abstract: A base station does not transmit any reference signal (RS) for channel measurement in a subframe in which transmission of an RS collides with transmission of a synchronization signal or a broadcast signal or in a resource block including the synchronization signal or the broadcast signal in the subframe. A user equipment assumes that any RS for channel measurement is not transmitted in a subframe or in a resource block when transmission of an RS collides with transmission of a synchronization signal or a broadcast signal in the subframe or in the resource block.

Abstract translation: 在RS的发送与同步信号或广播信号的发送相冲突的子帧中或在包含同步信号或广播信号的资源块中的基站中，不发送用于信道测量的任何参考信号（RS） 子帧。 用户设备假设在子帧或资源块中的任何用于信道测量的RS都不在子帧或资源块中的同步信号或广播信号的传输与RS的传输相冲突时发送。

公开(公告)号：US20110211539A1

公开(公告)日：2011-09-01

申请号：US12673915

申请日：2008-08-20

Applicant: Hyun Soo KO ,  Bin Chul Ihm ,  Jin Young Chun ,  Moon Il Lee

Inventor： Hyun Soo KO ,  Bin Chul Ihm ,  Jin Young Chun ,  Moon Il Lee

IPC: H04W72/04 ,  H04L25/49 ,  H04W4/00

CPC classification number: H04B7/0452 ,  H04B7/0665

Abstract: A method of transmitting data in a multiple antenna system includes transmitting a precoding matrix index (PMI) of a first user through a control channel for the first user, and transmitting the PMI of the first user and a PMI of a second user through a data channel for the first user. Effective data decoding is possible regardless of whether radio resources to be allocated to multiple users are partially or entirely allocated to the users.

Abstract translation: 一种在多天线系统中发送数据的方法包括通过第一用户的控制信道发送第一用户的预编码矩阵索引（PMI），并通过数据发送第一用户的PMI和第二用户的PMI 频道为第一个用户。 无论分配给多个用户的无线电资源是否部分或完全分配给用户，有效的数据解码是可能的。

公开(公告)号：US20110158345A1

公开(公告)日：2011-06-30

申请号：US13062623

申请日：2009-08-26

Applicant: Bin Chul Ihm ,  Hyun Soo Ko ,  Moon Il Lee ,  Jin Young Chun ,  Wook Bong Lee

Inventor： Bin Chul Ihm ,  Hyun Soo Ko ,  Moon Il Lee ,  Jin Young Chun ,  Wook Bong Lee

IPC: H04L27/00

CPC classification number: H04L5/0048 ,  H04B17/309 ,  H04L5/0053 ,  H04L25/0226 ,  H04L27/2613 ,  H04L27/2626

Abstract: A pilot transmission method in a wireless communication system is provided. The method includes: transmitting a first pilot for channel measurement through a first transmission section; and transmitting a second pilot for channel measurement through a second transmission section which is subsequent in time to the first transmission section, wherein the first transmission section and the second transmission section include a plurality of sub-bands, parts of the plurality of sub-bands use predetermined precoding whereas the remaining sub-bands use non-predetermined precoding, and any one of the first pilot and the second pilot is carried only on a sub-band which uses the predetermined precoding whereas the other pilot is carried on the entirety of the plurality of sub-bands.

Abstract translation: 提供了一种无线通信系统中的导频发送方法。 该方法包括：通过第一传输部分发送用于信道测量的第一导频; 并通过第二传输部分发送用于信道测量的第二导频，所述第二传输部分随后在第一传输部分中，其中第一传输部分和第二传输部分包括多个子带，多个子带的部分 使用预定的预编码，而剩余的子带使用非预定的预编码，并且第一导频和第二导频中的任何一个只在使用预定的预编码的子带上承载，而另一个导频被携带在整个 多个子带。

公开(公告)号：US20110149857A1

公开(公告)日：2011-06-23

申请号：US12970168

申请日：2010-12-16

Applicant: Moon Il LEE ,  Bin Chul Ihm ,  Jae Wan Kim ,  Sung Ho Park ,  Wook Bong Lee

Inventor： Moon Il LEE ,  Bin Chul Ihm ,  Jae Wan Kim ,  Sung Ho Park ,  Wook Bong Lee

IPC: H04W4/00

CPC classification number: H04B7/0671 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/1816 ,  H04L5/0023 ,  H04L25/03343 ,  H04L2025/03414 ,  H04L2025/03426 ,  Y02D50/10

Abstract: A method of transmitting data using a plurality of subcarriers in a multi-antenna wireless communication system is disclosed. More specifically, the method includes receiving feedback information from a mobile station (MS), performing channel encoding and modulation independently on user data to be transmitted by each antenna using the received feedback information, determining a phase shift-based precoding matrix for increasing a phase angle of the user data by a fixed amount, and performing precoding using the determined phase shift-based precoding matrix on the user data.

公开(公告)号：US20110143796A1

公开(公告)日：2011-06-16

申请号：US13056451

申请日：2009-07-30

Applicant: Moon Il Lee ,  Seung Hee Han ,  Hyun Soo Ko ,  Jae Hoon Chung ,  So Yeon Kim

Inventor： Moon Il Lee ,  Seung Hee Han ,  Hyun Soo Ko ,  Jae Hoon Chung ,  So Yeon Kim

IPC: H04B7/24

CPC classification number: H04L5/0055 ,  H04L1/0026 ,  H04L1/0031 ,  H04L1/0038 ,  H04L1/1861 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0094 ,  H04L23/02 ,  H04L27/2613

Abstract: A method and an apparatus of monitoring a physical downlink control channel (PDCCH) in a wireless communication system, carried in a user equipment (UE), are provided. The method includes receiving a PDCCH map, and monitoring a set of PDCCH candidates based on the PDCCH map.

Abstract translation: 提供一种监视在用户设备（UE）中承载的无线通信系统中的物理下行链路控制信道（PDCCH）的方法和装置。 该方法包括接收PDCCH映射，以及基于PDCCH映射监视一组PDCCH候选。