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公开(公告)号：US10038536B2
公开(公告)日：2018-07-31
申请号：US14837986
申请日：2015-08-27
Applicant: LG ELECTRONICS INC.
Inventor： Bong Hoe Kim , Byeong Woo Kang , Dae Won Lee , Yu Jin Noh , Ki Jun Kim , Dong Wook Roh
IPC: H04B7/04 , H04L5/00 , H04B7/0413 , H04B7/06 , H04L1/06 , H04W72/04 , H04L27/26 , H04J13/00 , H04J13/10 , H04W8/26
CPC classification number: H04L5/0051 , H04B7/0413 , H04B7/0684 , H04J13/0003 , H04J13/0025 , H04J13/10 , H04L1/0675 , H04L5/0023 , H04L5/0028 , H04L5/0035 , H04L5/0037 , H04L5/0092 , H04L27/2613 , H04W8/26 , H04W72/042
Abstract: The present application discloses a method in which a base station transmits a reference signal sequence in a wireless communication system. In detail, the method comprises the steps of: generating a pseudo-random sequence using a first m-sequence and a second m-sequence; generating the reference signal sequence using the pseudo-random sequence; and transmitting the reference signal to a mobile station via antenna ports different from one another. The second m-sequence has an initial value containing parameters for discriminating reference signal sequences among users.
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22.发明授权公开(公告)号：US09985769B2
公开(公告)日：2018-05-29
申请号：US14801191
申请日：2015-07-16
Applicant: LG ELECTRONICS INC.
Inventor： Dong Wook Roh , Bong Hoe Kim , Joon Kui Ahn , Yu Jin Noh , Dong Youn Seo , Ki Jun Kim
IPC: H04L5/00 , H04W72/04 , H04W72/02 , H04W72/08 , H04B7/04 , H04L1/00 , H04B7/06 , H04L27/26 , H04B7/0417
CPC classification number: H04L5/0057 , H04B7/0417 , H04B7/0626 , H04B7/063 , H04B7/0639 , H04B7/066 , H04L1/0026 , H04L1/0029 , H04L5/001 , H04L27/2601 , H04W72/02 , H04W72/0413 , H04W72/085
Abstract: A method for generating a channel quality indicator (CQI) in a mobile communication system is presented. The method includes grouping a number of subcarriers to form at least one channel quality indicator subband for generating a channel quality indicator, and generating a channel quality indicator in each channel quality indicator subband, wherein a size of each channel quality indicator subband is dependent on a system bandwidth value and is an integer multiple of a downlink frequency resource unit size, wherein the downlink frequency resource unit size is prescribed according to the system bandwidth value.
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公开(公告)号：US09807759B2
公开(公告)日：2017-10-31
申请号：US15372136
申请日：2016-12-07
Applicant: LG ELECTRONICS INC.
Inventor： Dong Wook Roh , Byeong Woo Kang , Dae Won Lee , Yong Ho Seok
CPC classification number: H04W72/042 , H04B7/0413 , H04B7/0452 , H04B7/0617 , H04B7/0697 , H04L1/0025 , H04L1/0041 , H04L2001/0093 , H04W52/42 , H04W84/12
Abstract: A method of transmitting a data frame by a transmitter in a WLAN system is provided. The method includes generating a data block including at least one data units respectively transmitted through at least one or more spatial streams to at least one receiver, transmitting first control information to the at least one receiver, transmitting second control information to each receiver, and transmitting the data block to the at least one receiver. The first control information includes a length indicator for the data block, a MIMO indicator indicating whether the data block is for SU-MIMO or MU-MIMO, and a spatial stream indication field including information about the number of the spatial streams. The second control information includes a FEC coding field indicating an encoding scheme applied to the data unit and an MCS field indicating an MCS applied to the data unit.
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公开(公告)号：US09800380B2
公开(公告)日：2017-10-24
申请号：US15145740
申请日：2016-05-03
Applicant: LG ELECTRONICS INC.
Inventor： Hak Seong Kim , Bong Hoe Kim , Dong Wook Roh , Joon Kui Ahn , Dong Youn Seo , Jung Hoon Lee
CPC classification number: H04L5/0048 , H04B7/0456 , H04L5/0021 , H04L25/0226 , H04L25/03343 , H04L27/2608 , H04L27/2637 , H04W48/08
Abstract: A method of allocating pilot bits in a wireless communication system using a multiple carrier modulation (MCM) is disclosed. The method includes allocating a plurality of precoded data symbols precoded by a precoding matrix module and a plurality of non-precoded pilot bits to a plurality of subcarriers, and transmitting the allocated precoded data symbols and the allocated non-precoded pilot bits.
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25.发明授权Method of allocating resources for transmitting uplink signal in MIMO wireless communication system and apparatus thereof 有权在MIMO无线通信系统中分配用于发送上行链路信号的资源的方法及其装置公开(公告)号：US09544033B2
公开(公告)日：2017-01-10
申请号：US14939914
申请日：2015-11-12
Applicant: LG Electronics Inc.
Inventor： Bong Hoe Kim , Dae Won Lee , Yu Jin Noh , Byeong Woo Kang , Dong Youn Seo , Dong Wook Roh
CPC classification number: H04B7/0456 , H04B7/0413 , H04L1/0071 , H04L5/0044 , H04L27/2626 , H04W72/04
Abstract: A method and terminal are described for allocating resources for transmitting a signal in a multiple-input multiple-output (MIMO) wireless communication system. An uplink signal is transmitted using L layers at a terminal in a multiple-input multiple-output (MIMO) wireless communication system. Modulation symbols are generated by modulating output bit sequences of an interleaver matrix by a unit of log2 Q bits, where Q is a modulation order. Each of the output bit sequences has a size of L·log2 Q bits. The modulation symbols are mapped to the L layers and transmitted by using the L layers. The output bit sequences are generated by reading out entries of the interleaver matrix, column by column.
Abstract translation: 描述了用于在多输入多输出（MIMO）无线通信系统中分配用于发送信号的资源的方法和终端。 在多输入多输出（MIMO）无线通信系统的终端，使用L层发送上行链路信号。 调制符号是通过调制交织器矩阵的输出位序列以log2 Q位为单位产生的，其中Q是调制阶数。 每个输出比特序列具有L ... log2 Q比特的大小。 调制符号映射到L层，并通过使用L层进行传输。 通过逐列读出交织器矩阵的条目来生成输出比特序列。
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Patent Agency Ranking
26.发明授权Method and apparatus for transceiving a data frame in a wireless LAN system 有权用于在无线LAN系统中收发数据帧的方法和装置公开(公告)号：US09544030B2
公开(公告)日：2017-01-10
申请号：US14723290
申请日：2015-05-27
Applicant: LG ELECTRONICS INC.
Inventor： Dong Wook Roh , Byeong Woo Kang , Dae Won Lee , Yong Ho Seok
CPC classification number: H04W72/042 , H04B7/0413 , H04B7/0452 , H04B7/0617 , H04B7/0697 , H04L1/0025 , H04L1/0041 , H04L2001/0093 , H04W52/42 , H04W84/12
Abstract: A method of transmitting a data frame by a transmitter in a WLAN system is provided. The method includes generating a data block including at least one data units respectively transmitted through at least one or more spatial streams to at least one receiver, transmitting first control information to the at least one receiver, transmitting second control information to each receiver, and transmitting the data block to the at least one receiver. The first control information includes a length indicator for the data block, a MIMO indicator indicating whether the data block is for SU-MIMO or MU-MIMO, and a spatial stream indication field including information about the number of the spatial streams. The second control information includes a FEC coding field indicating an encoding scheme applied to the data unit and an MCS field indicating an MCS applied to the data unit.
Abstract translation: 提供了一种通过WLAN系统中的发射机发送数据帧的方法。 该方法包括生成包括分别通过至少一个或多个空间流发送到至少一个接收器的至少一个数据单元的数据块，向至少一个接收机发送第一控制信息，向每个接收机发送第二控制信息，并发送 所述数据块到所述至少一个接收器。 第一控制信息包括用于数据块的长度指示符，指示数据块是用于SU-MIMO还是MU-MIMO的MIMO指示符，以及包括关于空间流的数量的信息的空间流指示字段。 第二控制信息包括指示应用于数据单元的编码方案的FEC编码字段和指示应用于数据单元的MCS的MCS字段。
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27.发明授权公开(公告)号：US09398570B2
公开(公告)日：2016-07-19
申请号：US14703574
申请日：2015-05-04
Applicant: LG ELECTRONICS INC.
Inventor： Dae Won Lee , Dong Wook Roh , Byeong Woo Kang , Yong Ho Seok , Yu Jin Noh , Bong Hoe Kim
CPC classification number: H04B7/0452 , H04B7/0413 , H04B7/0456 , H04B7/0473 , H04B7/0486 , H04B7/0617 , H04L5/0023 , H04L5/0091 , H04L5/0094 , H04L27/2613 , H04W72/0406 , H04W72/046 , H04W84/12
Abstract: A method and apparatus for signal transmission in a Wireless Local Area Network (WLAN) system. The method according to one embodiment includes generating a first very high throughput (VHT) signal, generating a second VHT signal, and transmitting the first VHT signal and the second VHT signal. The first VHT signal includes an indicator indicating that the second VHT signal is to be transmitted by using a single-user multiple input multiple output (SU-MIMO) scheme or a multi-user multiple input multiple output (MU-MIMO) scheme. The first VHT signal and the second VHT signal are used to transmit control information, and the control information includes a modulation and coding scheme (MCS) index indicating an MCS used in the step of transmitting and further includes a spatial stream identifier indicating a number of spatial streams.
Abstract translation: 一种用于无线局域网（WLAN）系统中信号传输的方法和装置。 根据一个实施例的方法包括产生第一非常高吞吐量（VHT）信号，产生第二VHT信号，以及发送第一VHT信号和第二VHT信号。 第一VHT信号包括指示通过使用单用户多输入多输出（SU-MIMO）方案或多用户多输入多输出（MU-MIMO）方案来发送第二VHT信号的指示符。 第一VHT信号和第二VHT信号用于发送控制信息，并且控制信息包括指示在发送步骤中使用的MCS的调制和编码方案（MCS）索引，并且还包括表示多个 空间流。
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公开(公告)号：US09319198B2
公开(公告)日：2016-04-19
申请号：US14311117
申请日：2014-06-20
Applicant: LG ELECTRONICS INC.
Inventor： Bong Hoe Kim , Joon Kui Ahn , Hak Seong Kim , Dong Wook Roh , Dong Youn Seo , Seung Hwan Won
CPC classification number: H04L5/0055 , H04B7/0491 , H04L1/1635 , H04L1/1812 , H04L1/1822 , H04L1/1854 , H04L1/1858 , H04W36/18 , H04W40/02 , H04W72/0406
Abstract: A packet data transmitting method and mobile communication system using the same enables transmission of common ACK/NACK information from each sector of a base station to a user entity in softer handover. The method includes receiving via at least one of the plurality of sectors a data packet from the mobile terminal, the data packet being correspondingly received for each of the at least one of the plurality of sectors; combining the correspondingly received data packets, to obtain a signal having a highest signal-to-noise ratio; decoding the value obtained by the combining; determining a transmission status of the data packet according to the decoding; and transmitting to the mobile terminal a common ACK/NACK signal including one of a common ACK signal and a common NACK signal according to the determining, the common ACK/NACK signal being transmitted via each of the at least one sector.
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29.发明授权Method of transmitting sounding reference signal in wireless communication system 有权在无线通信系统中发送探测参考信号的方法公开(公告)号：US09300455B2
公开(公告)日：2016-03-29
申请号：US14449931
申请日：2014-08-01
Applicant: LG ELECTRONICS INC.
Inventor： Hak Seong Kim , Bong Hoe Kim , Young Woo Yun , Ki Jun Kim , Dong Wook Roh , Dae Won Lee , Suk Hyon Yoon , Joon Kui Ahn , Dong Youn Seo
CPC classification number: H04L5/0048 , H04B1/69 , H04J13/18 , H04L1/0033 , H04L1/0068 , H04L1/0072 , H04L1/1692 , H04L5/0007 , H04L5/0053 , H04W72/0413
Abstract: A method of transmitting a sounding reference signal includes generating a physical uplink control channel (PUCCH) carrying uplink control information on a subframe, the subframe comprising a plurality of SC-FDMA (single carrier-frequency division multiple access) symbols, wherein the uplink control information is punctured on one SC-FDMA symbol in the subframe, and transmitting simultaneously the uplink control information on the PUCCH and a sounding reference signal on the punctured SC-FDMA symbol. The uplink control information and the sounding reference signal can be simultaneously transmitted without affecting a single carrier characteristic.
Abstract translation: 发送探测参考信号的方法包括生成携带子帧上行控制信息的物理上行控制信道（PUCCH），子帧包括多个SC-FDMA（单载波 - 频分多址）符号，其中上行链路控制 信息在子帧中的一个SC-FDMA符号上被打孔，并且同时发送关于PUCCH的上行链路控制信息和在穿孔的SC-FDMA符号上的探测参考信号。 可以同时发送上行链路控制信息和探测参考信号，而不影响单载波特性。
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30.发明授权Method of allocating resources for transmitting uplink signal in MIMO wireless communication system and apparatus thereof 有权在MIMO无线通信系统中分配用于发送上行链路信号的资源的方法及其装置公开(公告)号：US09295035B2
公开(公告)日：2016-03-22
申请号：US14539925
申请日：2014-11-12
Applicant: LG Electronics Inc.
Inventor： Bong Hoe Kim , Dae Won Lee , Yu Jin Noh , Byeong Woo Kang , Dong Youn Seo , Dong Wook Roh
CPC classification number: H04B7/0456 , H04B7/0413 , H04L1/0071 , H04L5/0044 , H04L27/2626 , H04W72/04
Abstract: A method and terminal apparatus are described for allocating resources for transmitting a signal in a multiple-input multiple-output (MIMO) wireless communication system. An uplink signal is transmitted using L layers at a terminal in a multiple-input multiple-output (MIMO) wireless communication system. Modulation symbols are generated by modulating output bit sequences of an interleaver matrix by a unit of log2 Q bits. Q is a modulation order, and each of the output bit sequences has a size of L·log2 Q bits. The modulation symbols are mapped to the L layers and transmitted by using the L layers. The output bit sequences are generated by reading out entries of the interleaver matrix, column by column.
Abstract translation: 描述了用于在多输入多输出（MIMO）无线通信系统中分配用于发送信号的资源的方法和终端装置。 在多输入多输出（MIMO）无线通信系统的终端，使用L层发送上行链路信号。 通过以交织器矩阵的输出比特序列调制log2Q比特的单位来产生调制符号。 Q是调制阶数，并且每个输出比特序列具有L ... log2Q比特的大小。 调制符号映射到L层，并通过使用L层进行传输。 通过逐列读出交织器矩阵的条目来生成输出比特序列。
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