公开(公告)号：US08195999B2

公开(公告)日：2012-06-05

申请号：US12587067

申请日：2009-10-01

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

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

IPC: H04L1/18 ,  H04L12/26 ,  H03M13/00 ,  G01R31/28 ,  H04W72/00

CPC classification number: H04L1/1812 ,  H04L1/1845 ,  H04L1/1874

Abstract: A wireless communication system includes an apparatus and a method for supporting Hybrid Automatic Repeat Request. A transmitting method includes when an encoding packet is bigger than a maximum encoding packet size Nep_max, generating a first codeword by encoding the encoding packet at a mother code rate t; generating a second codeword by selecting [Nep_max/t]-sized code bits from the first codeword; and performing Hybrid Automatic Repeat reQuest (HARQ) using the second codeword.

Abstract translation: 无线通信系统包括用于支持混合自动重复请求的装置和方法。 发送方法包括当编码分组大于最大编码分组大小Nep_max时，通过以母码率t对编码分组进行编码来生成第一码字; 通过从第一码字中选择[Nep_max / t]个码比特来产生第二码字; 以及使用所述第二码字执行混合自动重传请求（HARQ）。

公开(公告)号：US20120088539A1

公开(公告)日：2012-04-12

申请号：US13271087

申请日：2011-10-11

Applicant: Su-Ryong Jeong ,  Tae-Young Kim ,  Chi-Woo Lim

Inventor： Su-Ryong Jeong ,  Tae-Young Kim ,  Chi-Woo Lim

IPC: H04B7/00

CPC classification number: H04B17/0057 ,  H04B17/318 ,  H04W24/10 ,  H04W28/08 ,  H04W48/06 ,  H04W48/16 ,  H04W48/20 ,  H04W72/0486

Abstract: An apparatus is configured to perform a method for selecting a cell to increase transmission capacity in a wireless communication system. A Mobile Station (MS) can select a cell in a heterogeneous network system. The MS can receive a loading indicator for each of a plurality of Base Stations (BS); measure signal strength information for each of the BSs; and select one of the BSs using the loading indicator and the signal strength information. Therefore, the transmission efficiency of the system can be increased.

Abstract translation: 一种装置被配置为执行用于选择单元以提高无线通信系统中的传输容量的方法。 移动台（MS）可以在异构网络系统中选择一个小区。 MS可以接收多个基站（BS）中的每一个的负载指示符; 测量每个BS的信号强度信息; 并使用加载指示符和信号强度信息来选择一个BS。 因此，可以提高系统的传输效率。

公开(公告)号：US07535860B2

公开(公告)日：2009-05-19

申请号：US11073455

申请日：2005-03-07

Applicant: Sung-Eun Park ,  Seung-Hoon Choi ,  Dong-Seek Park ,  Jae-Yoel Kim ,  Sung-Ryul Yun ,  Sie-Joon Cho ,  Jae-Weon Cho ,  Chi-Woo Lim

Inventor： Sung-Eun Park ,  Seung-Hoon Choi ,  Dong-Seek Park ,  Jae-Yoel Kim ,  Sung-Ryul Yun ,  Sie-Joon Cho ,  Jae-Weon Cho ,  Chi-Woo Lim

IPC: H04B7/00 ,  H04J9/00

CPC classification number: H04L5/0048 ,  H04L5/0007 ,  H04L27/2613 ,  H04L27/2618 ,  H04L27/262

Abstract: Disclosed is a method for transmitting a pilot symbol from base stations (BSs) to a subscriber station (SS) in a communication system which includes the base stations located adjacent to each other, the method includes the steps of transmitting BS-identifying sub-carriers which represent sequences for identifying the base stations in a frequency domain of the pilot symbol; and transmitting PAPR (Peak to Average Power Ratio) sub-carriers which represent sequences for reducing a PAPR of the pilot symbol together with the transmission of the BS-identifying sub-carriers in the frequency domain.

Abstract translation: 公开了一种用于在包括彼此相邻的基站的通信系统中从基站（BS）向用户站（SS）发送导频符号的方法，所述方法包括以下步骤：发送BS识别子载波 其表示用于识别导频符号的频域中的基站的序列; 并且发送表示用于减少导频符号的PAPR的序列的PAPR（峰均功率比），以及频域中的BS识别子载波的传输。

公开(公告)号：US20080212530A1

公开(公告)日：2008-09-04

申请号：US12040361

申请日：2008-02-29

Applicant: Elisabeth de CARVALHO ,  Muhammad Imadur Rahman ,  Hak-Ju Lee ,  David Mazzarese ,  Chi-Woo Lim

Inventor： Elisabeth de CARVALHO ,  Muhammad Imadur Rahman ,  Hak-Ju Lee ,  David Mazzarese ,  Chi-Woo Lim

IPC: H04Q7/00

CPC classification number: H04L5/0062 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/06 ,  H04W16/12

Abstract: A frequency reuse apparatus and method for a Mobile Station (MS) using a multiple-antenna in a broadband wireless access communication system are provided. The method includes dividing a first frequency band into ‘N’ second frequency bands where ‘N’ equals a number of Base Stations (BSs); dividing each second frequency band into ‘n’ third frequency bands; allocating each of the ‘N’ second frequency bands according to the number of receive antennas; and allocating the third frequency bands to all of the BSs, respectively.

Abstract translation: 提供了一种在宽带无线接入通信系统中使用多天线的移动站（MS）的频率重用装置和方法。 该方法包括将第一频带划分为“N”个第二频带，其中“N”等于基站数目（BS）; 将每个第二频带划分成“n”个第三频带; 根据接收天线的数量分配“N”个第二频带中的每一个; 以及将第三频带分别分配给所有BS。

公开(公告)号：US20070226585A1

公开(公告)日：2007-09-27

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: H03M13/00

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：US20070030168A1

公开(公告)日：2007-02-08

申请号：US11498661

申请日：2006-08-03

Applicant: Young-Ho Kim ,  Young-Soo Park ,  Jun-Young Jung ,  Joon-Young Choi ,  Geun-Ho Lee ,  Jae-Gwa Lee ,  Dong-Seek Park ,  Jae-Yoel Kim ,  Chi-Woo Lim

Inventor： Young-Ho Kim ,  Young-Soo Park ,  Jun-Young Jung ,  Joon-Young Choi ,  Geun-Ho Lee ,  Jae-Gwa Lee ,  Dong-Seek Park ,  Jae-Yoel Kim ,  Chi-Woo Lim

IPC: H04Q9/00

CPC classification number: H04Q9/00

Abstract: A sensor network communication system interworking with a BWA communication system and a communication method therefor are provided. In a method for measuring a predetermined target in the sensor network communication system interworking with the BWA communication system, a mobile station or a server sends a measurement request for the predetermined target to a local controller over the BWA communication system. The local controller sends the measurement request to a predetermined sensor and actuator over a wireless communication protocol. The sensor and actuator measures the predetermined target and sends the measurement value to the local controller. The local controller sends a measurement result message based on the measurement value to the mobile station or the server.

Abstract translation: 提供了与BWA通信系统相互配合的传感器网络通信系统及其通信方法。 在与BWA通信系统相互配合的传感器网络通信系统中测量预定目标的方法中，移动站或服务器通过BWA通信系统向本地控制器发送预定目标的测量请求。 本地控制器通过无线通信协议将测量请求发送到预定的传感器和致动器。 传感器和执行器测量预定目标，并将测量值发送到本地控制器。 本地控制器根据测量值向移动台或服务器发送测量结果消息。

公开(公告)号：US09426793B2

公开(公告)日：2016-08-23

申请号：US12943277

申请日：2010-11-10

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

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

IPC: H04B7/216 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0091

Abstract: An apparatus and method for allocating resources by using a codebook based on a resource size and a burst size in a broadband wireless communication system are provided. A method of operating a Mobile Station (MS) includes receiving a group configuration message from a Base Station (BS), wherein the group configuration message includes an N-bit first bitmap for indicating that M resource sizes are supported in the group among N resource sizes supported for group resource allocation, where M is less than N, and receiving a group resource allocation message from the BS, wherein the group resource allocation message includes a second bitmap for indicating a size of a resource allocated to a corresponding MS among MSs for which resource allocation is determined.

Abstract translation: 提供了一种用于在宽带无线通信系统中基于资源大小和突发大小使用码本分配资源的装置和方法。 一种操作移动台（MS）的方法包括从基站（BS）接收组配置消息，其中，组配置消息包括用于指示N个资源中的组中的M个资源大小的N位第一位图 支持群组资源分配的大小，其中M小于N，以及从BS接收组资源分配消息，其中组资源分配消息包括用于指示分配给MS之间的对应MS的资源的大小的第二位图， 确定哪个资源分配。

公开(公告)号：US08892153B2

公开(公告)日：2014-11-18

申请号：US13290554

申请日：2011-11-07

Applicant: Su-Ryong Jeong ,  Seung-Hoon Choi ,  Sung-Eun Park ,  Tae-Young Kim ,  Hyun-Kyu Yu ,  Chi-Woo Lim

Inventor： Su-Ryong Jeong ,  Seung-Hoon Choi ,  Sung-Eun Park ,  Tae-Young Kim ,  Hyun-Kyu Yu ,  Chi-Woo Lim

IPC: H04W52/24 ,  H04W52/14

CPC classification number: H04W52/146 ,  H04W52/242 ,  H04W52/244

Abstract: A method and an apparatus for uplink power control using a ranging signal in a wireless communication system are provided. The method includes transmitting ranging channel information to a pico Base Station (BS), receiving power control information on a macro terminal from the pico BS, controlling a transmit power strength for the macro terminal based on the power control information, and instructing the macro terminal to control a transmit power to the controlled strength.

Abstract translation: 提供了一种在无线通信系统中使用测距信号进行上行链路功率控制的方法和装置。 该方法包括向微微基站（BS）发送测距信道信息，从微微BS接收宏终端上的功率控制信息，基于功率控制信息控制宏终端的发射功率强度，并指示宏终端 以将发射功率控制到受控强度。

公开(公告)号：US08774101B2

公开(公告)日：2014-07-08

申请号：US11999233

申请日：2007-12-04

Applicant: Chi-Woo Lim ,  Seung-Hoon Park ,  Mi-Hyun Lee ,  Ki-Chun Cho ,  Dong-Seek Park ,  Ho-Kyu Choi

Inventor： Chi-Woo Lim ,  Seung-Hoon Park ,  Mi-Hyun Lee ,  Ki-Chun Cho ,  Dong-Seek Park ,  Ho-Kyu Choi

IPC: H04W4/00

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0053 ,  H04L5/0094 ,  H04W88/10

Abstract: An apparatus and method for maintaining backward compatibility with a narrow-band wireless communication system in a wide-band wireless communication system is provided. The base station comprises a scheduler, a control information generator, a resource mapping unit and a transmitter. The terminal comprises a resource allocation information checking unit, a receiver and a transmitter.

Abstract translation: 提供了一种用于在宽带无线通信系统中保持与窄带无线通信系统的向后兼容性的装置和方法。 基站包括调度器，控制信息生成器，资源映射单元和发送器。 终端包括资源分配信息检查单元，接收机和发射机。

公开(公告)号：US08548074B2

公开(公告)日：2013-10-01

申请号：US12655705

申请日：2010-01-06

Applicant: Sung-Eun Park ,  Jae-Weon Cho ,  Seung-Hoon Choi ,  Chi-Woo Lim ,  Song-Nam Hong

Inventor： Sung-Eun Park ,  Jae-Weon Cho ,  Seung-Hoon Choi ,  Chi-Woo Lim ,  Song-Nam Hong

IPC: H04L27/28 ,  H04L27/00 ,  H04B1/00 ,  H04B7/00 ,  H04B1/02 ,  H04W4/00

CPC classification number: H04W56/0015 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/2613 ,  H04L27/2614 ,  H04L27/2626 ,  H04L27/2655

Abstract: A Synchronization Channel (SCH) transmission method includes generating a Primary SCH (P-SCH) sequence according to supplementary information. The supplementary information includes at least one of Base Station (BS) type information, Fast Fourier Transform (FFT) size information, BandWidth (BW) information, group information, sector information, and carrier type information. The method also includes modulating the P-SCH sequence and mapping the modulated P-SCH sequence to subcarriers within a predefined subcarrier set. The subcarriers are included in the subcarrier set being spaced one subcarrier interval apart. The method further includes generating a P-SCH symbol by Orthogonal Frequency Division Multiplexing (OFDM)-modulating the P-SCH sequence mapped to the subcarriers, and transmitting the P-SCH symbol.

Abstract translation: 同步信道（SCH）发送方法包括根据补充信息生成主SCH（P-SCH）序列。 补充信息包括基站（BS）类型信息，快速傅里叶变换（FFT）大小信息，带宽（BW）信息，组信息，扇区信息和载波类型信息中的至少一个。 该方法还包括调制P-SCH序列并将调制的P-SCH序列映射到预定子载波集内的子载波。 子载波被包括在间隔一个子载波间隔的子载波集合中。 该方法还包括通过正交频分复用（OFDM）生成P-SCH符号，调制映射到子载波的P-SCH序列，并发送P-SCH符号。