公开(公告)号：US20070245205A1

公开(公告)日：2007-10-18

申请号：US11710854

申请日：2007-02-26

Applicant: Petar Popovski ,  Hiroyuki Yomo ,  Elisabeth De Carvalho ,  Seung-Hoon Park ,  David Mazzarese ,  Marcos Katz ,  Dong-Seek Park ,  Sung-Kwon Hong ,  Hak-Ju Lee

Inventor： Petar Popovski ,  Hiroyuki Yomo ,  Elisabeth De Carvalho ,  Seung-Hoon Park ,  David Mazzarese ,  Marcos Katz ,  Dong-Seek Park ,  Sung-Kwon Hong ,  Hak-Ju Lee

IPC: H04L1/18

CPC classification number: H04L1/0668 ,  H04L1/0001 ,  H04L1/0006 ,  H04L1/1671 ,  H04L1/1845 ,  H04L1/1893

Abstract: Automatic Repeat reQuest (ARQ) apparatus and method of a Multiple Input Multiple Output (MIMO system are provided. The ARQ method includes decoding, when one or more packets are received, the received packets and trying to detect the decoded packets; and storing, when error is detected from the packets, the corresponding error packet, requesting a transmitter to retransmit N-ary packets from which the error is detected and to transmit (M-N)-ary new packets when the number of the error packets N is smaller than the total number of the transmitted packets M. Accordingly, the error rate of the retransmitted data can be minimized, the number of retransmissions can be decreased, and the overall data transmission rate can be raised.

Abstract translation: 自动重复请求（ARQ）多输入多输出的装置和方法（MIMO系统），ARQ方法包括当接收到一个或多个分组时对解码的分组进行解码，并尝试检测解码的分组; 从分组中检测到错误，相应的错误分组，请求发送器重传从其检测到错误的N个分组，并且当错误分组N的数量小于总数时发送（MN）个新的分组 发送数据包M的数量。因此，重发数据的错误率可以最小化，可以减少重传次数，并且可以提高整体数据传输速率。

公开(公告)号：US20070223619A1

公开(公告)日：2007-09-27

申请号：US11714701

申请日：2007-03-06

Applicant: Hak-Ju Lee ,  Sung-Kwon Hong ,  Dong-Seek Park ,  Daesik Hong ,  Sungtae Kim

Inventor： Hak-Ju Lee ,  Sung-Kwon Hong ,  Dong-Seek Park ,  Daesik Hong ,  Sungtae Kim

IPC: H04L1/02

CPC classification number: H04L1/0026 ,  H04B7/0417 ,  H04B7/0626 ,  H04L25/0246

Abstract: An apparatus and method for controlling amount of information to be fed back in a multiple antenna system in a multi-user environment. The apparatus includes a channel estimator which estimates channel values by using an input signal; a Singular Value Decomposition (SVD) operator which decomposes singular values from the estimated channel values; and a feedback determining unit which uses the singular values to compute channel capacity that can be obtained according to the amount of channel information to be fed back, and selects the channel information to be fed back by using the channel capacity.

Abstract translation: 一种用于在多用户环境中控制在多天线系统中反馈的信息量的装置和方法。 该装置包括通过使用输入信号来估计信道值的信道估计器; 奇异值分解（SVD）算子，其从估计的信道值分解奇异值; 以及反馈确定单元，其使用奇异值来计算可以根据要反馈的信道信息的量获得的信道容量，并且通过使用信道容量来选择要反馈的信道信息。

公开(公告)号：US20060268814A1

公开(公告)日：2006-11-30

申请号：US11392407

申请日：2006-03-29

Applicant: Jae-Hak Chung ,  Ji-Won Kang ,  Ye-Hoon Lee ,  Seung-Hoon Nam ,  Chung-Yong Lee ,  Hak-Ju Lee

Inventor： Jae-Hak Chung ,  Ji-Won Kang ,  Ye-Hoon Lee ,  Seung-Hoon Nam ,  Chung-Yong Lee ,  Hak-Ju Lee

IPC: H04B7/212

CPC classification number: H04W72/1257 ,  H04B7/0452 ,  H04L1/0003 ,  H04L1/0009 ,  H04L5/0075 ,  H04W72/1231

Abstract: Provided is a scheduling apparatus and method for allocating resources to individual users in a multiantenna system. An upper layer determines resources to allocate to respective users one a long term, and provides the ratio to a scheduler. Then the scheduler determines coefficients appropriate for the provided ratio. On the assumption that a statistical channel characteristic for a user is constant for a predetermined time, the scheduler determines a channel capacity average and a standard deviation for the user. The scheduler schedules resource allocation for individual users according to the channel capacity average and standard deviation values, which are the statistical characteristic values, and instantaneous channel capacity fed back for the individual users, together with the found coefficients.

Abstract translation: 提供了一种用于在多天线系统中向各个用户分配资源的调度装置和方法。 上层确定长期分配给相应用户的资源，并将比例提供给调度器。 然后调度器确定适合所提供的比率的系数。 假设用户的统计信道特性在预定时间内是恒定的，则调度器确定用户的信道容量平均值和标准偏差。 调度器根据作为统计特征值的信道容量平均值和标准差值，以及针对各个用户反馈的瞬时信道容量，连同所找到的系数，为个体用户调度资源分配。

公开(公告)号：US06776152B2

公开(公告)日：2004-08-17

申请号：US10380321

申请日：2003-09-23

Applicant: Hak Ju Lee

Inventor： Hak Ju Lee

IPC: F24B1300

CPC classification number: F24C15/2035

Abstract: The object of this invention is to provide a range hood. The hood body (20) of the range hood consists of a lower plate (22) having perforations for sucking air from the kitchen into the hood body, with an inward locking flange (23, 23′) formed along the top edge of each sidewall of the lower plate. Two guide panels (21, 21′), each having a locking part, are assembled with the lower plate (22) by an engagement of their locking parts with the inward locking flanges. A double absorption filter (30) is installed inside the hood body so as to remove oil, dust and other impurities from exhaust air by means of an air vortex effect. The range hood also has a hood cover (10), an exhaust duct (11), a fan motor (13), an exhaust fan (12), and a ventilation duct (14) to discharge exhaust air to the atmosphere.

Abstract translation: 本发明的目的是提供一种抽油烟机。 抽油烟机的罩体（20）由具有用于从厨房吸入空气到罩体内的穿孔的下板（22），沿着每个侧壁的顶部边缘形成有向内的锁定凸缘（23,23'） 的下板。 每个具有锁定部分的两个引导板（21,21'）通过其锁定部件与向内的锁定凸缘的接合而与下板（22）组装在一起。 罩体内部安装有双吸收过滤器（30），以通过空气涡流效应除去排出空气中的油，灰尘等杂质。 抽油烟机还具有排气管道（10），排气管道（11），风扇电动机（13），排风扇（12）和通风管道（14），用于将排气排放到大气中。

公开(公告)号：US09172572B2

公开(公告)日：2015-10-27

申请号：US12694801

申请日：2010-01-27

Applicant: Sung Ryul Yun ,  Hak Ju Lee ,  Jae Yoel Kim ,  Yeon Ju Lim ,  Se Ho Myung

Inventor： Sung Ryul Yun ,  Hak Ju Lee ,  Jae Yoel Kim ,  Yeon Ju Lim ,  Se Ho Myung

IPC: H04K1/10 ,  H04L27/26 ,  H04L5/00 ,  H04H20/78

CPC classification number: H04L27/2618 ,  H04H20/78 ,  H04L5/0044

Abstract: A Digital Video Broadcasting-Cable (DVB-C) system and a processing method for reserved tones are provided. A transmitter determines a position of broadcast data and a position of reserved tones in a frame and sends a broadcast signal into which the broadcast data and the reserved tones are inserted. A receiver determines the position of reserved tones in a received broadcast signal and extracts broadcast data from the broadcast signal in consideration of the determined position of the reserved tones. The system and method may compensate for the peak power of broadcast data to be transmitted through a multi-channel bundle, by inserting reserved tones into the whole multi-channel bundle with combined channel bands. This may reduce the Peak to Average Power Ratio (PAPR) of broadcast signals in the DVB-C system and thereby improve the performance of the DVB-C system while still adopting Orthogonal Frequency Division Multiplexing (OFDM).

Abstract translation: 提供数字视频广播电缆（DVB-C）系统和用于保留音调的处理方法。 发射机确定广播数据的位置和帧中的保留音调的位置，并发送广播信号，广播数据和保留音被插入到该广播信号中。 接收机在接收到的广播信号中确定保留音调的位置，并考虑到所保留的音调的确定位置，从广播信号中提取广播数据。 该系统和方法可以通过将保留的音调插入到具有组合信道频带的整个多信道束中来补偿要通过多信道束发送的广播数据的峰值功率。 这可能降低DVB-C系统中广播信号的峰均功率比（PAPR），从而提高DVB-C系统的性能，同时采用正交频分复用（OFDM）。

公开(公告)号：US09060251B2

公开(公告)日：2015-06-16

申请号：US12390904

申请日：2009-02-23

Applicant: Hwan-Joon Kwon ,  Hak-Ju Lee ,  Yeon-Ju Lim ,  Hong-Sil Jeong ,  Jae-Yoel Kim ,  Sung-Ryul Yun ,  Seho Myung

Inventor： Hwan-Joon Kwon ,  Hak-Ju Lee ,  Yeon-Ju Lim ,  Hong-Sil Jeong ,  Jae-Yoel Kim ,  Sung-Ryul Yun ,  Seho Myung

IPC: H04L12/28 ,  H04W4/06 ,  H04H20/93 ,  H04H60/25 ,  H04L12/933 ,  H04L12/54 ,  H04H20/42 ,  H04H60/13

CPC classification number: H04W4/06 ,  H04H20/42 ,  H04H20/93 ,  H04H60/13 ,  H04H60/25 ,  H04L12/56 ,  H04L49/1546 ,  Y02D70/168

Abstract: Apparatus and method for transmitting and receiving a frame including control information in a broadcasting system. A frame for a broadcast service is generated using an in-band signaling scheme, and includes location information of control information in a next frame and indication information indicating a change/no-change in the control information in the next frame. The new frame structure minimizes power consumption of a receiver supporting the broadcast service.

Abstract translation: 一种在广播系统中发送和接收包括控制信息的帧的装置和方法。 使用带内信令方式生成用于广播服务的帧，并且包括下一帧中的控制信息的位置信息和指示下一帧中的控制信息的改变/不变化的指示信息。 新的帧结构使支持广播服务的接收机的功耗最小化。

公开(公告)号：US08707125B2

公开(公告)日：2014-04-22

申请号：US12949408

申请日：2010-11-18

Applicant: Hong-Sil Jeong ,  Sung-Ryul Yun ,  Jae-Yoel Kim ,  Hyun-Koo Yang ,  Hak-Ju Lee ,  Se-Ho Myung ,  Jin-Hee Jeong

Inventor： Hong-Sil Jeong ,  Sung-Ryul Yun ,  Jae-Yoel Kim ,  Hyun-Koo Yang ,  Hak-Ju Lee ,  Se-Ho Myung ,  Jin-Hee Jeong

IPC: H03M13/00

CPC classification number: H04L25/03343 ,  H03M13/116 ,  H03M13/1185 ,  H03M13/6362 ,  H03M13/6541 ,  H03M13/6552 ,  H04B1/0475 ,  H04L1/0041 ,  H04L1/0042 ,  H04L1/0057 ,  H04L1/0061 ,  H04L1/0069 ,  H04L1/0071 ,  H04L1/008 ,  H04L1/02

Abstract: A method for transmitting encoded data, which improves a diversity effect in a communication system, including generating parity bits for an information word, generating a codeword by encoding an information word using the generated parity bits, puncturing some of the parity bits of the codeword, transmitting a frame including the information word, and generating additional parity bits for decoding the information word and transmitting the additional parity bits in one or more other frames.

Abstract translation: 一种用于发送编码数据的方法，其改善通信系统中的分集效应，包括产生用于信息字的奇偶校验位，通过使用所生成的奇偶校验位对信息字进行编码来产生码字，对码字的一些奇偶校验位进行穿孔， 发送包括所述信息字的帧，以及生成用于解码所述信息字并在一个或多个其他帧中发送所述附加奇偶校验位的附加奇偶校验位。

公开(公告)号：US08689093B2

公开(公告)日：2014-04-01

申请号：US12962262

申请日：2010-12-07

Applicant: Se-Ho Myung ,  Hong-Sil Jeong ,  Sung-Ryul Yun ,  Jae-Yoel Kim ,  Hyun-Koo Yang ,  Hak-Ju Lee ,  Jin-Hee Jeong

Inventor： Se-Ho Myung ,  Hong-Sil Jeong ,  Sung-Ryul Yun ,  Jae-Yoel Kim ,  Hyun-Koo Yang ,  Hak-Ju Lee ,  Jin-Hee Jeong

IPC: H03M13/51

CPC classification number: H03M13/1105 ,  H03M13/036 ,  H03M13/1102 ,  H03M13/1148 ,  H03M13/1165 ,  H03M13/1185 ,  H03M13/618 ,  H03M13/6362

Abstract: A method is provided for channel encoding in a communication system using a Low-Density Parity Check (LDPC) code. The method includes grouping information bits into a plurality of groups; determining an order of the plurality of groups to be shortened, based on a ratio of a number of bits to be shortened to a number of bits to be punctured; determining a length of an information word to be obtained by shortening the plurality of groups; shortening the plurality of groups on a group basis in the determined order based on the determined length of the information word; and LDPC-encoding a shortened information word.

Abstract translation: 提供了一种使用低密度奇偶校验（LDPC）码的通信系统中的信道编码方法。 该方法包括将信息比特分组成多个组; 基于要缩短的比特数与待穿孔的比特数的比率来确定要缩短的多个组的顺序; 确定通过缩短所述多个组来获得的信息字的长度; 基于所确定的信息字长度，以确定的顺序，以组为基础缩短多个组; 以及LDPC编码缩短的信息字。

公开(公告)号：US08615701B2

公开(公告)日：2013-12-24

申请号：US13312464

申请日：2011-12-06

Applicant: Sung-Hee Hwang ,  Hak-Ju Lee ,  Se-Ho Myung ,  Jin-Hee Jeong

Inventor： Sung-Hee Hwang ,  Hak-Ju Lee ,  Se-Ho Myung ,  Jin-Hee Jeong

IPC: H03M13/25 ,  H03M13/53

CPC classification number: H04L1/0082

Abstract: An apparatus and method are provided for indicating an error of a transport packet in an audio and video communication system. The method includes receiving a frame including a transport packet, attempting Forward Error Correction (FEC) on the frame, and setting a value of an error indicating field in the transport packet according to a result of the FEC. The error indicating field includes at least one of a first flag indicating a presence or absence of an error in the transport packet, a second flag indicating a success or failure of the FEC, and a third flag indicating detection or non-detection of a Cyclic Redundancy Check (CRC).

Abstract translation: 提供了一种用于指示音频和视频通信系统中的传输分组的错误的装置和方法。 该方法包括接收包括传输分组的帧，尝试在该帧上进行前向纠错（FEC），并根据FEC的结果设置传输分组中的错误指示字段的值。 错误指示字段包括指示传输分组中存在或不存在错误的第一标志，指示FEC的成功或失败的第二标志和指示循环的检测或不检测的第三标志中的至少一个 冗余校验（CRC）。

公开(公告)号：US08565265B2

公开(公告)日：2013-10-22

申请号：US12396982

申请日：2009-03-03

Applicant: Hak-Ju Lee ,  Hwan-Joon Kwon ,  Yeon-Ju Lim ,  Jae-Yoel Kim ,  Sung-Ryul Yun ,  Hong-Sil Jeong ,  Seho Myung

Inventor： Hak-Ju Lee ,  Hwan-Joon Kwon ,  Yeon-Ju Lim ,  Jae-Yoel Kim ,  Sung-Ryul Yun ,  Hong-Sil Jeong ,  Seho Myung

IPC: H04J3/24

CPC classification number: H04J3/12 ,  H04H20/30 ,  H04L5/0053 ,  H04L12/1881

Abstract: A method is provided for transmitting in-band signaling information in a wireless broadcasting system that transmits broadcast service data through a plurality of data Physical Layer Pipes (PLPs) constituting a frame. Non-PLP signaling information is included in a data PLP for a particular broadcast service and the data PLP is transmitted through a current frame, when no data PLP for the particular broadcast service is transmitted in at least one frame to be transmitted within a maximum schedulable period NMAX from a time the current frame is transmitted. The non-PLP signaling information indicates that no data PLP for the particular broadcast service is transmitted within the maximum schedulable period.

Abstract translation: 提供了一种用于在通过构成帧的多个数据物理层管道（PLP）发送广播服务数据的无线广播系统中发送带内信令信息的方法。 非PLP信令信息被包括在用于特定广播服务的数据PLP中，并且当没有用于特定广播服务的数据PLP在至少一帧内发送以在最大可调度内发送时，通过当前帧传输数据PLP 从当前帧传输的时间段开始NMAX。 非PLP信令信息指示在最大可调度周期内没有发送用于特定广播服务的数据PLP。