公开(公告)号：US08811355B2

公开(公告)日：2014-08-19

申请号：US12385367

申请日：2009-04-06

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

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

IPC: H04J3/00

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

Abstract: A mode adaptation method for performing mode switching between a single-user MIMO (SU-MIMO) mode and a multi-user MIMO (MU-MIMO) mode includes receiving, by the base station, a preferred MIMO mode related information from a mobile station; determining a MIMO mode based on the preferred MIMO mode related information; reporting the MIMO mode to the mobile station; and receiving a feedback information of the MIMO mode from the mobile station.

Abstract translation: 用于在单用户MIMO（SU-MIMO）模式和多用户MIMO（MU-MIMO）模式之间执行模式切换的模式适配方法包括：由基站从移动台接收优选的MIMO模式相关信息 ; 基于优选的MIMO模式相关信息确定MIMO模式; 向移动台报告MIMO模式; 以及从移动台接收MIMO模式的反馈信息。

公开(公告)号：US20140213252A1

公开(公告)日：2014-07-31

申请号：US14240307

申请日：2012-04-18

Applicant: In Uk Jung ,  Wook Bong Lee ,  Jin Sam Kwak

Inventor： In Uk Jung ,  Wook Bong Lee ,  Jin Sam Kwak

IPC: H04W60/00 ,  H04W4/08 ,  H04W4/00

CPC classification number: H04W60/00 ,  H04W4/08 ,  H04W4/70 ,  H04W8/186 ,  H04W76/10

Abstract: The present disclosure relates to a method for M2M devices in an idle mode to perform a network reentry procedure in a wireless access network supporting machine-to-machine communication (M2M), and the method may include receiving information related to selection of a group delegate (GD) from a base station; receiving a response to a ranging request from the base station, wherein the ranging request is transmitted by an M2M device which is selected as the GD among a plurality of M2M devices in an M2M device group based on the information related to selection of the GD; and performing a network reentry procedure on the basis of the received response.

Abstract translation: 本公开涉及一种用于在空闲模式中的M2M设备在支持机对机通信（M2M）的无线接入网络中执行网络重入程序的方法，并且该方法可以包括接收与组委托的选择相关的信息 （GD）; 从所述基站接收对测距请求的响应，其中，所述测距请求由M2M设备发送，所述M2M设备基于与所述GD的选择相关的信息，在M2M设备组中的多个M2M设备中被选择为所述GD; 以及基于所接收的响应来执行网络重入程序。

公开(公告)号：US08750402B2

公开(公告)日：2014-06-10

申请号：US13145557

申请日：2010-01-29

Applicant: Moon Il Lee ,  Wook Bong Lee ,  Jae Hoon Chung ,  Hyun Soo Ko ,  Bin Chul Ihm

Inventor： Moon Il Lee ,  Wook Bong Lee ,  Jae Hoon Chung ,  Hyun Soo Ko ,  Bin Chul Ihm

IPC: H04B7/02 ,  H04L1/02

CPC classification number: H04B7/0413 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/005 ,  H04W52/325 ,  H04W52/42

Abstract: Provided is a method for transmitting a reference signal (RS) in a downlink multi-input multi-output (MIMO) system which supports a first user equipment (UE) for supporting N transmission antennas from among a total of M transmitting antennas and a second UE for supporting M transmitting antennas (wherein, M>N). The method comprises the steps of: generating a subframe for simultaneously supporting the first UE and the second UE at a base station; transmitting the subframe; and mapping a common reference signal (CRS) for antenna port 0 to antenna port N−1, mapping a CRS for antenna port N to antenna port M−1, and controlling a power level of a CRS for antenna port 0 to antenna port N−1 and a power level of CRS for antenna port N to antenna port M−1, independently from one another, at the subframe.

Abstract translation: 提供了一种用于在下行链路多输入多输出（MIMO）系统中发送参考信号（RS）的方法，所述下行链路多输入多输出（MIMO）系统支持从总共M个发送天线中支持N个发送天线的第一用户设备（UE） UE支持M个发射天线（其中，M> N）。 该方法包括以下步骤：生成用于在基站处同时支持第一UE和第二UE的子帧; 发送子帧; 并将天线端口0的公共参考信号（CRS）映射到天线端口N-1，将天线端口N的CRS映射到天线端口M-1，并将天线端口0的CRS的功率电平控制到天线端口N -1，并且天线端口N到天线端口M-1的CRS的功率电平彼此独立，在子帧处。

公开(公告)号：US08699610B2

公开(公告)日：2014-04-15

申请号：US13388019

申请日：2010-02-17

Applicant: Jian Xu ,  Ja Ho Koo ,  Bin Chul Ihm ,  Wook Bong Lee

Inventor： Jian Xu ,  Ja Ho Koo ,  Bin Chul Ihm ,  Wook Bong Lee

IPC: H04B7/02

CPC classification number: H04B7/0617 ,  H04B7/063

Abstract: The present invention relates to a Multi-Input Multi-Output (MIMO) communication system and more particularly, to a method for precoding matrix index (PMI) restriction/recommendation in a multi-cell wireless communication system. A method of codebook based precoding matrix index (PMI) feedback considering legacy mobile stations in a multi-cell wireless communication system comprises measuring a channel from at least one neighboring base station generating interference with a signal received from a serving base station; determining a first PMI in which the interference is maximized from PMIs included in a first codebook, wherein the first PMI is determined based on the measured channel; determining a first PMI group including PMIs having high correlation to the first PMI from the PMIs included in the first codebook; determining a second PMI in which the interference is maximized from PMIs included in a second codebook, where in the second codebook is for the legacy mobile stations; determining a second PMI group including PMIs having high correlation to the second PMI from the PMIs included in the second codebook; and transmitting feedback information including the first PMI, a first subset bit indicating the first PMI group, the second PMI and a second subset bit indicating the second PMI group to the serving base station.

Abstract translation: 多输入多输出（MIMO）通信系统技术领域本发明涉及多输入多输出（MIMO）通信系统，更具体地说，涉及在多小区无线通信系统中对矩阵索引（PMI）限制/推荐进行预编码的方法。 一种考虑多小区无线通信系统中的传统移动台的基于码本的预编码矩阵索引（PMI）反馈的方法包括测量来自至少一个相邻基站的信道，产生对从服务基站接收的信号的干扰; 从包括在第一码本中的PMI确定其中所述干扰最大化的第一PMI，其中，基于所测量的信道确定所述第一PMI; 从包括在第一码本中的PMI确定包括与第一PMI具有高相关性的PMI的第一PMI组; 从包括在第二码本中的PMI确定其中所述干扰最大化的第二PMI，其中在所述第二码本中用于所述传统移动站; 从包括在第二码本中的PMI确定包括与第二PMI相关性高的PMI的第二PMI组; 以及向所述服务基站发送包括所述第一PMI，指示所述第一PMI组的第一子集比特，所述第二PMI和指示所述第二PMI组的第二子比特的反馈信息。

公开(公告)号：US20140066054A1

公开(公告)日：2014-03-06

申请号：US14112829

申请日：2012-02-28

Applicant: In Uk Jung ,  Young Soo Yuk ,  Jin Sam Kwak ,  Ki Seon Ryu ,  Wook Bong Lee

Inventor： In Uk Jung ,  Young Soo Yuk ,  Jin Sam Kwak ,  Ki Seon Ryu ,  Wook Bong Lee

IPC: H04W48/16

CPC classification number: H04W48/16 ,  H04W16/14 ,  H04W36/00 ,  H04W36/14 ,  H04W88/06

Abstract: The present disclosure relates to a method for performing communication between a terminal and a base station in a radio access system supporting multi-radio access technology (RAT), the method being characterized in that it comprises the steps of performing an access procedure between a first base station supporting a cellular radio access technology and a second base station supporting a short-range radio access technology; the second base station receiving, from the first base station and through a first radio scanner, control information relating to the transmission of an identification signal (IDS) for detecting the second base station of the terminal; and the second base station transmitting the IDS through the first radio channel to the terminal based on the received control information, wherein the first radio channel is the radio channel corresponding to the first base station.

Abstract translation: 本公开涉及一种用于在支持多无线电接入技术（RAT）的无线电接入系统中执行终端与基站之间的通信的方法，所述方法的特征在于包括以下步骤：执行第一 支持蜂窝无线接入技术的基站和支持短距离无线接入技术的第二基站; 第二基站从第一基站和第一无线电扫描器接收与用于检测终端的第二基站的识别信号（IDS）的传输有关的控制信息; 并且所述第二基站基于所接收的控制信息，通过所述第一无线信道向所述终端发送所述IDS，其中，所述第一无线信道是与所述第一基站对应的无线信道。

公开(公告)号：US08644838B2

公开(公告)日：2014-02-04

申请号：US12944625

申请日：2010-11-11

Applicant: Wook Bong Lee ,  Han Gyu Cho ,  Ja Ho Koo ,  Bin Chul Ihm ,  Jin Soo Choi

Inventor： Wook Bong Lee ,  Han Gyu Cho ,  Ja Ho Koo ,  Bin Chul Ihm ,  Jin Soo Choi

IPC: H04W40/00

CPC classification number: H04W52/42 ,  H04W52/38

Abstract: A method for acquiring FFR power pattern of Frequency Partitions (FPs) at a mobile station (MS) in a wireless communication system using Fractional Frequency Reuse (FFR) is disclosed. The method includes receiving a preamble from a base station (BS); and acquiring a FFR power pattern for a reuse-1 partition and reuse-N partitions using the received preamble, wherein the FFR power pattern is determined based on a segment identifier (ID), the reuse-N partitions include N frequency partitions, each frequency partition has a power level with a range of FP1_power level to FPN_power level, a power-boosted FP in the reuse-N partitions is a partition whose power level is the FP1_power level.

Abstract translation: 公开了一种在使用分数频率重用（FFR）的无线通信系统中在移动站（MS）处获取频率分区（F F）的FFR功率模式的方法。 该方法包括从基站（BS）接收前导码; 并且使用所接收的前导码获取用于重用1分区的FFR功率模式和重新使用N个分区，其中，基于分段标识符（ID）确定所述FFR功率模式，所述重用N分区包括N个频率分区，每个频率 分区具有FP1_power级别到FPN_power级别的功率级别，重新使用N分区中的功率增强FP是功率级别为FP1_power级别的分区。

公开(公告)号：US08630280B2

公开(公告)日：2014-01-14

申请号：US13045711

申请日：2011-03-11

Applicant: Wook Bong Lee ,  Bin Chul Ihm ,  Jin Young Chun

Inventor： Wook Bong Lee ,  Bin Chul Ihm ,  Jin Young Chun

IPC: H04J11/00 ,  H04W4/00 ,  H04B7/216

CPC classification number: H04B7/0619 ,  H04B7/063 ,  H04B7/0643 ,  H04L5/0014

Abstract: A method and User Equipment (UE) for transmitting feedback information are disclosed. The UE feeds back M best subbands to a Base Station (BS). Especially, the UE feeds back indication information indicating a combination of the M best subbands from among combinations each having M subbands produced out of a maximum number of subbands that can be allocated. Hence, coding of the feedback information is simplified.

Abstract translation: 公开了一种用于发送反馈信息的方法和用户设备（UE）。 UE将M个最佳子带反馈到基站（BS）。 特别地，UE从可以分配的最大数量的子带中产生的具有M个子带的组合中反馈指示M个最佳子带的组合的指示信息。 因此，反馈信息的编码被简化。

公开(公告)号：US20130279466A9

公开(公告)日：2013-10-24

申请号：US12698869

申请日：2010-02-02

Applicant: Moon Il Lee ,  Wook Bong Lee ,  Jae Hoon Chung ,  Hyun Soo Ko ,  Bin Chul Ihm

Inventor： Moon Il Lee ,  Wook Bong Lee ,  Jae Hoon Chung ,  Hyun Soo Ko ,  Bin Chul Ihm

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/0689 ,  H04J11/0026 ,  H04L5/0023 ,  H04L5/0048 ,  H04L25/03343 ,  H04L27/261 ,  H04W52/143 ,  H04W52/325 ,  H04W88/08

Abstract: A technique for receiving and transmitting downlink reference signals is disclosed. When transmitting downlink data demodulation reference signals (DMRS) (or reference signals for downlink data demodulation) by using two or more layers, the DMRS of each layer may be multiplexed by using a code division multiplexing method and then transmitted. The DMRS for each of the two or more layers may be used for one user equipment or for two or more user equipments. And, downlink control signals for transmitting and receiving such DMRS may be configured to have the same format regardless of a single-user mode (or SU-MIMO mode) or a multi-user mode (or MU-MIMO mode), thereby being used.

Abstract translation: 公开了一种用于接收和发送下行链路参考信号的技术。 当通过使用两层或更多层来发送下行链路数据解调参考信号（DMRS）（或下行链路数据解调的参考信号）时，可以通过使用码分复用方法来复用每层的DMRS，然后发送。 两层或更多层中的每一层的DMRS可以用于一个用户设备或两个或更多个用户设备。 并且，无论单用户模式（或SU-MIMO模式）还是多用户模式（或MU-MIMO模式），都可以将用于发送和接收这样的DMRS的下行链路控制信号配置为具有相同的格式，从而被使用 。

公开(公告)号：US08548084B2

公开(公告)日：2013-10-01

申请号：US13130733

申请日：2009-08-26

Applicant: Jin Young Chun ,  Bin Chul Ihm ,  Woo Suk Kwon ,  Wook Bong Lee ,  Suk Woo Lee

Inventor： Jin Young Chun ,  Bin Chul Ihm ,  Woo Suk Kwon ,  Wook Bong Lee ,  Suk Woo Lee

IPC: H04B7/02 ,  H04L1/02

CPC classification number: H04B7/0671 ,  H04B7/0691 ,  H04L25/0206 ,  H04L25/023 ,  H04L27/2647 ,  H04L2025/03426

Abstract: A method for transmitting data in a wireless communication system comprises: receiving synchronization signals and midambles transmitted through a plurality of antennas; and estimating each channel of the plurality of antennas by using the synchronization signals and the midambles, wherein the synchronization signals and the midambles are transmitted such that the channels of the plurality of antennas are combined. Respective channel states of a plurality of antennas can be estimated by using the synchronization signals and the midambles, and data can be effectively transmitted.

Abstract translation: 一种用于在无线通信系统中发送数据的方法包括：接收通过多个天线发送的同步信号和中间码; 以及通过使用所述同步信号和所述中间码来估计所述多个天线中的每个信道，其中发送所述同步信号和所述中间码，使得所述多个天线的信道被组合。 可以通过使用同步信号和中间码来估计多个天线的各个信道状态，并且可以有效地发送数据。

公开(公告)号：US08526384B2

公开(公告)日：2013-09-03

申请号：US13143813

申请日：2009-12-02

Applicant: Xu Jian ,  Ja Ho Koo ,  Bin Chul Ihm ,  Moon Il Lee ,  Wook Bong Lee ,  Hyun Soo Ko

Inventor： Xu Jian ,  Ja Ho Koo ,  Bin Chul Ihm ,  Moon Il Lee ,  Wook Bong Lee ,  Hyun Soo Ko

IPC: H04W4/00

CPC classification number: H04L5/0053 ,  H04L5/0057 ,  H04L27/345

Abstract: A method of transmitting and receiving channel state information feedback in a wireless communication system is disclosed. A method of transmitting channel state information (CSI) feedback by a user equipment receiver in a wireless communication system comprises mapping components of a CSI matrix to constellations; and allocating the mapped components to resource.

Abstract translation: 公开了一种在无线通信系统中发送和接收信道状态信息反馈的方法。 在无线通信系统中由用户设备接收机发送信道状态信息（CSI）反馈的方法包括将CSI矩阵的分量映射到星座; 并将映射的组件分配给资源。