公开(公告)号：US20070033483A1

公开(公告)日：2007-02-08

申请号：US11478831

申请日：2006-06-30

Applicant: Hong-Sil Jeong ,  Se-Ho Myung ,  Kyeong-Cheol Yang ,  Hyun-Gu Yang ,  Dong-Seek Park ,  Chi-Woo Lim ,  Jae-Yeol Kim ,  Seung-Hoon Choi

Inventor： Hong-Sil Jeong ,  Se-Ho Myung ,  Kyeong-Cheol Yang ,  Hyun-Gu Yang ,  Dong-Seek Park ,  Chi-Woo Lim ,  Jae-Yeol Kim ,  Seung-Hoon Choi

IPC: H03M13/00

CPC classification number: H03M13/11

Abstract: Disclosed is a method and apparatus for completely recovering received data with high reliability using LDPC codes without short-sized cycles in a digital communication system using an error-correcting code. The method includes performing exponent conversion of a predetermined number of exponent matrixes stored in advance in a memory so as to generate new exponent matrixes based on the exponent conversion, and generating new LDPC codes using the new exponent matrixes.

Abstract translation: 公开了一种在使用纠错码的数字通信系统中使用不具有小尺寸周期的LDPC码来以高可靠性完全恢复接收数据的方法和装置。 该方法包括对存储器中预先存储的预定数量的指数矩阵进行指数变换，以便基于指数变换产生新的指数矩阵，并使用新的指数矩阵生成新的LDPC码。

公开(公告)号：US09807736B2

公开(公告)日：2017-10-31

申请号：US14000120

申请日：2012-02-17

Applicant: Chi-Woo Lim ,  Hyun-Jeong Kang ,  Hyun-Kyu Yu

Inventor： Chi-Woo Lim ,  Hyun-Jeong Kang ,  Hyun-Kyu Yu

IPC: H04L5/00 ,  H04W72/04 ,  H04W4/00 ,  H04W48/08 ,  H04L27/26

CPC classification number: H04W72/0406 ,  H04L5/005 ,  H04L5/0092 ,  H04L27/2613 ,  H04W4/70 ,  H04W48/08

Abstract: Provided is an INitial ranging (IN) method for a Machine to Machine communication service in a mobile communication system. The IN method includes if the presence of a terminal attempting IN is recognized, determining whether a service the terminal wants to receive is a mobile communication service or a Machine to Machine communication service; and setting an indicator indicating to use Ranging Preamble (RP) code partition information for available in the determined service, and transmitting ‘IN-related control information for mobile communication’ including the indicator to the terminal.

公开(公告)号：US08713403B2

公开(公告)日：2014-04-29

申请号：US13218856

申请日：2011-08-26

Applicant: Chi-Woo Lim ,  Hyun-Kyu Yu

Inventor： Chi-Woo Lim ,  Hyun-Kyu Yu

IPC: H03M13/00

CPC classification number: H04L5/0053 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/0091 ,  H04L63/18 ,  H04W12/02

Abstract: An operating method of a base station for transmitting MAP information in a wireless communication system includes determining a seed value for randomizing MAP information bits, generating a Media Access Control (MAC) control message including the seed value and a Station IDentifier (STID), and transmitting the MAC control message to a mobile station. Hence, the assignment A-MAP IE can be transmitted more safely.

Abstract translation: 用于在无线通信系统中发送MAP信息的基站的操作方法包括确定用于随机化MAP信息比特的种子值，生成包括种子值的媒体访问控制（MAC）控制消息和站标识符（STID），以及 向移动台发送MAC控制消息。 因此，可以更安全地传送分配A-MAP IE。

公开(公告)号：US20130322408A1

公开(公告)日：2013-12-05

申请号：US14000120

申请日：2012-02-17

Applicant: Chi-Woo Lim ,  Hyun-Jeong Kang ,  Hyun-Kyu Yu

Inventor： Chi-Woo Lim ,  Hyun-Jeong Kang ,  Hyun-Kyu Yu

IPC: H04W72/04

CPC classification number: H04W72/0406 ,  H04L5/005 ,  H04L5/0092 ,  H04L27/2613 ,  H04W4/70 ,  H04W48/08

Abstract: Provided is an INitial ranging (IN) method for a Machine to Machine communication service in a mobile communication system. The IN method includes if the presence of a terminal attempting IN is recognized, determining whether a service the terminal wants to receive is a mobile communication service or a Machine to Machine communication service; and setting an indicator indicating to use Ranging Preamble (RP) code partition information for available in the determined service, and transmitting ‘IN-related control information for mobile communication’ including the indicator to the terminal.

Abstract translation: 提供了一种用于移动通信系统中的机器到机器通信服务的初始测距（IN）方法。 IN方法包括如果确认存在尝试IN的终端，则确定终端想要接收的服务是移动通信服务还是机器到机器通信服务; 并设置指示使用所确定的服务中可用的测距前导码（RP）码分区信息的指示符，并且向终端发送包括指示符的“与移动通信的IN相关的控制信息”。

公开(公告)号：US20120196561A1

公开(公告)日：2012-08-02

申请号：US13360448

申请日：2012-01-27

Applicant: Hyun-Kyu Yu ,  Chi-Woo Lim ,  Su-Ryong Jeong

Inventor： Hyun-Kyu Yu ,  Chi-Woo Lim ,  Su-Ryong Jeong

IPC: H04W4/22 ,  H04W4/02 ,  H04W40/08

CPC classification number: H04W24/04 ,  H04W4/90 ,  H04W36/14 ,  H04W76/19 ,  H04W84/20 ,  H04W88/04

Abstract: A method and apparatus support a Mobile Station (MS) located in a collapsed cell area to be disconnected from a Base Station (BS) in a wireless communication system. A method of an MS for supporting an disconnected MS disconnected from a BS in a wireless communication system includes receiving a rescue signal from the disconnected MS; collecting information to determine a support MS for the disconnected MS; and transmitting the collected information to a serving BS.

Abstract translation: 一种方法和装置支持位于在无线通信系统中与基站（BS）断开连接的折叠小区区域中的移动站（MS）。 用于支持在无线通信系统中与BS断开连接的断开的MS的MS的方法包括从断开的MS接收救援信号; 收集信息以确定断开的MS的支持MS; 以及将收集的信息发送到服务BS。

公开(公告)号：US08145224B2

公开(公告)日：2012-03-27

申请号：US12075188

申请日：2008-03-10

Applicant: Ki-Chun Cho ,  Mi-Hyun Lee ,  Jae-Weon Cho ,  Ho-Kyu Choi ,  Hyun-Kyu Yu ,  Chi-Woo Lim ,  Song-Nam Hong

Inventor： Ki-Chun Cho ,  Mi-Hyun Lee ,  Jae-Weon Cho ,  Ho-Kyu Choi ,  Hyun-Kyu Yu ,  Chi-Woo Lim ,  Song-Nam Hong

IPC: H04W72/00 ,  H04W4/00

CPC classification number: H04W72/042 ,  H04W16/14 ,  H04W48/08 ,  H04W88/10 ,  H04W92/02

Abstract: Disclosed is a method of transmitting common control information by a base station in a communication system including a first communication system and a second communication system different from each other. In the communication system, a frame for carrying the common control information includes an uplink sub-frame and a downlink sub-frame, each of which includes a resource allocation area for the first communication system and a resource allocation area for the second communication system. The method includes: configuring the common control information to be received by a mobile station belonging to the second communication system; and transmitting the common control information through the resource allocation area for the second communication system included in one of the uplink sub-frame and the downlink sub-frame.

Abstract translation: 公开了一种在包括彼此不同的第一通信系统和第二通信系统的通信系统中由基站发送公共控制信息的方法。 在通信系统中，用于承载公共控制信息的帧包括上行链路子帧和下行链路子帧，每个子帧包括用于第一通信系统的资源分配区域和用于第二通信系统的资源分配区域。 该方法包括：配置要由属于第二通信系统的移动台接收的公共控制信息; 以及通过所述上行链路子帧和所述下行链路子帧之一中包括的所述第二通信系统的资源分配区域发送所述公共控制信息。

公开(公告)号：US08015469B2

公开(公告)日：2011-09-06

申请号：US11800022

申请日：2007-05-03

Applicant: Chi-Woo Lim ,  Sung-Eun Park ,  Dong-Seek Park ,  Jae-Yoel Kim ,  Seung-Hoon Choi ,  Gyu-Bum Kyung ,  Hong-Sil Jeong ,  Thierry Lestable

Inventor： Chi-Woo Lim ,  Sung-Eun Park ,  Dong-Seek Park ,  Jae-Yoel Kim ,  Seung-Hoon Choi ,  Gyu-Bum Kyung ,  Hong-Sil Jeong ,  Thierry Lestable

IPC: H03M13/00

CPC classification number: H03M13/033 ,  H03M13/116 ,  H03M13/1171

Abstract: A method for generating a non-binary Low Density Parity Check (LDPC) code. The method includes generating non-binary identity matrixes so as to satisfy at least one condition, wherein the non-binary LDPC code is defined by a parity check matrix, and the parity check matrix includes a plurality of sub-matrixes, which are divided into zero matrixes and the non-binary identity matrixes.

Abstract translation: 一种用于生成非二进制低密度奇偶校验（LDPC）码的方法。 该方法包括生成非二进制单位矩阵以便满足至少一个条件，其中非二进制LDPC码由奇偶校验矩阵定义，并且奇偶校验矩阵包括多个子矩阵，其被划分为 零矩阵和非二进制单位矩阵。

公开(公告)号：US08014266B2

公开(公告)日：2011-09-06

申请号：US12460636

申请日：2009-07-22

Applicant: Seung-Hoon Choi ,  June Moon ,  Sung-Eun Park ,  Chi-Woo Lim ,  Song-Nam Hong

Inventor： Seung-Hoon Choi ,  June Moon ,  Sung-Eun Park ,  Chi-Woo Lim ,  Song-Nam Hong

IPC: H04W4/00 ,  H04J3/06 ,  H04J11/00

CPC classification number: H04J11/0073 ,  H04L5/0007 ,  H04L27/2655 ,  H04L27/2675

Abstract: A apparatus and method for allocating synchronization acquisition sequence in a time domain and allocating a cell ID search sequence in a frequency domain. In a method for transmitting a synchronization signal of a base station in a wireless communication system, a binary frequency-domain preamble sequence predetermined for cell ID search and a binary time-domain preamble sequence predetermined for synchronization acquisition are used to determine a complex time-domain preamble sequence except the binary time-domain preamble sequence among the time-domain preamble sequences that are generated according to an Inverse Fast Fourier Transform (IFFT) operation on the binary frequency-domain preamble sequence. The complex time-domain preamble sequence and the binary time-domain preamble sequence are transmitted to a mobile station.

Abstract translation: 一种用于在时域中分配同步捕获序列并在频域中分配小区ID搜索序列的装置和方法。 在用于在无线通信系统中发送基站的同步信号的方法中，使用预定用于小区ID搜索的二进制频域前导码序列和预定用于同步获取的二进制时域前导码序列来确定复合时间 - 除了根据对二进制频域前导序列的快速傅里叶逆变换（IFFT）操作而生成的时域前导序列之中的二进制时域前导序列之外的域前导序列。 将复杂时域前导码序列和二进制时域前导码序列发送到移动台。

公开(公告)号：US07941736B2

公开(公告)日：2011-05-10

申请号：US11709922

申请日：2007-02-22

Applicant: Sung-Eun Park ,  Chi-Woo Lim ,  Thierry Lestable ,  Dong-Seek Park ,  Jae-Yoel Kim

Inventor： Sung-Eun Park ,  Chi-Woo Lim ,  Thierry Lestable ,  Dong-Seek Park ,  Jae-Yoel Kim

IPC: G06F11/00

CPC classification number: H03M13/1171 ,  H03M13/1111 ,  H03M13/1125

Abstract: Disclosed is an apparatus for receiving a signal in a communication system, which receives the signal, and decodes the received signal in a non-binary Low Density Parity Check (LDPC) decoding scheme, in which elements of a Galois field are expressed by an exponent representation, thereby minimizing the memory capacity required for a check node operation when the non-binary LDPC code is decoded.

Abstract translation: 公开了一种用于在通信系统中接收信号的装置，其接收信号，并以非二进制低密度奇偶校验（LDPC）解码方案对接收信号进行解码，其中伽罗瓦域的元素由指数 从而最小化非二进制LDPC码被解码时校验节点操作所需的存储器容量。

公开(公告)号：US07882414B2

公开(公告)日：2011-02-01

申请号：US11635262

申请日：2006-12-07

Applicant: Seung-Hoon Choi ,  Hong-Sil Jeong ,  Gyu-Bum Kyung ,  Dong-Seek Park ,  Jae-Yoel Kim ,  Sung-Eun Park ,  Chi-Woo Lim ,  Se-Ho Myung ,  Kyeong-Cheol Yang ,  Hyun-Koo Yang

Inventor： Seung-Hoon Choi ,  Hong-Sil Jeong ,  Gyu-Bum Kyung ,  Dong-Seek Park ,  Jae-Yoel Kim ,  Sung-Eun Park ,  Chi-Woo Lim ,  Se-Ho Myung ,  Kyeong-Cheol Yang ,  Hyun-Koo Yang

IPC: H03M13/00

CPC classification number: H03M13/116 ,  H03M13/118 ,  H03M13/6362

Abstract: Provided are an apparatus and method for transmitting/receiving signal, supporting a variable coding rate, in a communication system. The method includes receiving an information vector, generating a child parity check matrix based on a parent parity check matrix according to a coding rate to be applied for generating a block Low Density Parity Check (LDPC) codeword using the information vector, and encoding the information vector into the block LDPC codeword according to the child parity check matrix.

Abstract translation: 提供一种用于在通信系统中发送/接收信号，支持可变编码率的装置和方法。 该方法包括：接收信息向量，根据应用于使用信息向量生成块低密度奇偶校验（LDPC）码字的编码率的母校验矩阵，生成子奇偶校验矩阵，并对该信息进行编码 根据子奇偶校验矩阵向量插入块LDPC码字。