公开(公告)号：US09281889B2

公开(公告)日：2016-03-08

申请号：US13579179

申请日：2011-02-16

Applicant: Hak Seong Kim ,  Byoung Hoon Kim ,  Han Byul Seo ,  Dae Won Lee

Inventor： Hak Seong Kim ,  Byoung Hoon Kim ,  Han Byul Seo ,  Dae Won Lee

IPC: H04B7/14 ,  H04B7/155 ,  H04B7/04 ,  H04B7/06 ,  H04L25/03 ,  H04L5/00

CPC classification number: H04B7/15542 ,  H04B7/0417 ,  H04B7/0639 ,  H04L5/0007 ,  H04L25/03343

Abstract: A relay node (RN) apparatus for transmitting and receiving a signal according to a link mode in a wireless communication system and a method thereof are disclosed. A processor transmits or receives a signal to or from at least one of a base station and a terminal based on link mode information. At least one antenna receive the link mode information and transmit or receive the signal to or from at least one of the base station and the user equipment. The link mode information includes information a link mode in which the relay node apparatus will operate.

Abstract translation: 公开了一种用于在无线通信系统中根据链路模式发送和接收信号的中继节点（RN）装置及其方法。 处理器基于链路模式信息向基站和终端中的至少一个发送或接收信号。 至少一个天线接收链路模式信息，并向或从基站和用户设备中的至少一个发送或接收信号。 链路模式信息包括中继节点设备将在其中操作的链路模式的信息。

公开(公告)号：US09209940B2

公开(公告)日：2015-12-08

申请号：US13255221

申请日：2010-03-16

Applicant: Bong Hoe Kim ,  Byeong Woo Kang ,  Dae Won Lee ,  Yu Jin Noh ,  Dong Wook Roh ,  Dong Youn Seo

Inventor： Bong Hoe Kim ,  Byeong Woo Kang ,  Dae Won Lee ,  Yu Jin Noh ,  Dong Wook Roh ,  Dong Youn Seo

IPC: H04W4/00 ,  H04L1/18 ,  H04L1/06 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04L1/06 ,  H04B7/0413 ,  H04B7/0623 ,  H04L1/1812 ,  H04L1/1887

Abstract: A method for retransmitting data in synchronous Hybrid Automatic Repeat reQuest (HARQ) to support Multiple Input Multiple Output (MIMO) is disclosed. The method includes transmitting a plurality of unit data blocks to a receiver, receiving from the receiver a control channel signal including first feedback information indicating whether the transmission of the plurality of unit data blocks is successful, and retransmitting at least one of the plurality of unit data blocks according to a predetermined order, each unit data block in one Transmission Time Interval (TTI), if a rank is 1 and the first feedback information indicates that the transmission of the plurality of unit data blocks is failed.

Abstract translation: 公开了一种在支持多输入多输出（MIMO）的同步混合自动重传请求（HARQ）中重传数据的方法。 该方法包括向接收机发送多个单元数据块，从接收机接收控制信道信号，该控制信道信号包括指示多个单元数据块的传输是否成功的第一反馈信息，以及重发多个单元数据块中的至少一个单元 如果秩为1，并且第一反馈信息指示多个单位数据块的传输失败，则根据预定顺序的数据块，一个传输时间间隔（TTI）中的每个单位数据块。

公开(公告)号：US09161305B2

公开(公告)日：2015-10-13

申请号：US13992145

申请日：2011-10-11

Applicant: Suh Wook Kim ,  Yong Ho Seok ,  Bong Hoe Kim ,  Dae Won Lee

Inventor： Suh Wook Kim ,  Yong Ho Seok ,  Bong Hoe Kim ,  Dae Won Lee

IPC: H04W52/02 ,  H04W80/04 ,  H04W88/06 ,  H04W28/04 ,  H04W72/04 ,  H04W76/04

CPC classification number: H04L43/062 ,  H04W52/0206 ,  H04W52/0229 ,  H04W76/28 ,  H04W84/12 ,  Y02D70/142 ,  Y02D70/21

Abstract: A method for a power save mode operation in a wireless local area network (WLAN) system is provided. The method comprising determining a type of a receiving station (STA) indicator on the basis of the number of STAs which are associated with the AP and which intend to transmit buffered traffic; generating a traffic indicator map (TIM) element including information which indicates the receiving STA indicator and the type of the receiving STA indicator, transmitting the TIM element, receiving a poll frame for requesting data frame transmission from one STA among the STAs and transmitting the data frame to the STA.

Abstract translation: 提供了一种用于无线局域网（WLAN）系统中的省电模式操作的方法。 该方法包括：基于与AP相关联并且要发送缓冲业务的STA的数量来确定接收站（STA）指示符的类型; 产生包括指示接收STA指示符和接收STA指示符的类型的信息的传输指示符图（TIM）元素，发送TIM元素，从STA中的一个STA接收用于请求数据帧发送的轮询帧，并发送数据 帧到STA。

公开(公告)号：US09107242B2

公开(公告)日：2015-08-11

申请号：US13880329

申请日：2011-12-27

Applicant: Ill Soo Sohn ,  Yong Ho Seok ,  Jong Hyun Park ,  Dae Won Lee ,  Byeong Woo Kang

Inventor： Ill Soo Sohn ,  Yong Ho Seok ,  Jong Hyun Park ,  Dae Won Lee ,  Byeong Woo Kang

IPC: H04B7/00 ,  H04W84/12 ,  H04W74/06

CPC classification number: H04B7/0478 ,  H04B7/0617 ,  H04L5/0048 ,  H04W74/06 ,  H04W84/12

Abstract: A method for a channel sounding in a wireless local area network is provided. The method includes transmitting a null data packet announcement (NDPA) frame, to a plurality of receivers, the NDPA frame requesting a channel statement information feedback and announcing that a null data packet (NDP) frame is to be transmitted; transmitting the NDP frame being a basis of channel estimation for the plurality of receivers; receiving a first feedback frame from a first receiver among the plurality of receivers, transmitting a feedback poll frame to a second receiver; and, receiving a second feedback frame from the second receiver, the second feedback frame including second channel state information estimated by the second receiver. If the first receiver fails to perform the channel estimation, the first feedback frame is a null feedback frame. The null feedback frame is a feedback frame not including channel state information.

Abstract translation: 提供了一种用于无线局域网中的信道探测的方法。 该方法包括向多个接收机发送空数据分组公告（NDPA）帧，NDPA帧请求信道语句信息反馈并通知要发送空数据分组（NDP）帧; 发送作为多个接收机的信道估计的基础的NDP帧; 从所述多个接收机中的第一接收机接收第一反馈帧，向第二接收机发送反馈轮询帧; 以及从所述第二接收机接收第二反馈帧，所述第二反馈帧包括由所述第二接收机估计的第二信道状态信息。 如果第一接收机不能执行信道估计，则第一反馈帧是空反馈帧。 空反馈帧是不包括信道状态信息的反馈帧。

公开(公告)号：US08953642B2

公开(公告)日：2015-02-10

申请号：US13391222

申请日：2010-09-15

Applicant: Yu Jin Noh ,  Dong Wook Roh ,  Joon Kui Ahn ,  Byeong Woo Kang ,  Dae Won Lee ,  Bong Hoe Kim ,  Eun Sun Kim

Inventor： Yu Jin Noh ,  Dong Wook Roh ,  Joon Kui Ahn ,  Byeong Woo Kang ,  Dae Won Lee ,  Bong Hoe Kim ,  Eun Sun Kim

IPC: H04J1/00 ,  H04L5/00 ,  H04B7/04 ,  H04L1/00 ,  H04L5/14 ,  H04L25/02 ,  H04L25/03

CPC classification number: H04L5/0023 ,  H04B7/0417 ,  H04L1/0026 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0082 ,  H04L5/1469 ,  H04L25/0226 ,  H04L2025/03426 ,  H04L2025/03802

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transmitting a downlink reference signal in a wireless communication system that supports multiple antennas. A method for transmitting channel state information-reference signals (CSI-RS) for two or more antenna ports according to one embodiment of the present invention comprises the steps of: mapping the CSI-RSs for the two or more antenna ports in predetermined patterns on a data region of a downlink subframe: an transmitting the downlink subframe mapped with the CSI-RSs for the two or more antenna ports, wherein the predetermined patterns are defined as patterns differing by a cell, and the different patterns may be defined as the predetermined patterns being shifted in a temporal range, frequency range, or a temporal range and a frequency range.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地，涉及一种在支持多个天线的无线通信系统中发送下行链路参考信号的方法和装置。 根据本发明的一个实施例的用于发送用于两个或多个天线端口的信道状态信息参考信号（CSI-RS）的方法包括以下步骤：将预定模式中的两个或更多天线端口的CSI-RS映射到 下行链路子帧的数据区域：发送与两个或更多个天线端口的CSI-RS映射的下行链路子帧，其中预定模式被定义为由小区不同的模式，并且不同的模式可以被定义为预定的 模式在时间范围，频率范围或时间范围和频率范围内移动。

公开(公告)号：US08891653B2

公开(公告)日：2014-11-18

申请号：US13509277

申请日：2010-11-12

Applicant: Yong Ho Seok ,  Bong Hoe Kim ,  Dae Won Lee

Inventor： Yong Ho Seok ,  Bong Hoe Kim ,  Dae Won Lee

IPC: H04B7/02 ,  H04L1/02 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0452 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0632 ,  H04B7/0663 ,  H04L25/0224 ,  H04W84/12

Abstract: A Multi-User-Multiple Input Multiple Output (MU-MIMO) transmission method performed by an AP in a Wireless Local Area Network (WLAN) system is provided. The method includes transmitting an MU-MIMO initiation message to a destination STA which is a target of a MU-MIMO transmission, the MU-MIMO initiation message informing that MU-MIMO transmission will be initiated, receiving a sounding frame transmitted by the destination STA as a response to the MU-MIMO initiation message and performing MU-MIMO transmission on data by beamforming based on channel information obtained from the sounding frame. The sounding frame includes precoded and virtualized channel information Hvirtual between the AP and the STA. A dimension of the Hvirtual is lower than a dimension of channel information H between the AP and the STA.

Abstract translation: 提供了一种由无线局域网（WLAN）系统中的AP执行的多用户多输入多输出（MU-MIMO）传输方法。 该方法包括向作为MU-MIMO传输的目标的目的地STA发送MU-MIMO发起消息，通知MU-MIMO传输将被发起的MU-MIMO发起消息，接收目的STA发送的探测帧 作为对MU-MIMO发起消息的响应，并且基于从发现帧获得的信道信息，通过波束成形对数据执行MU-MIMO传输。 探测帧包括在AP和STA之间的虚拟的预编码和虚拟化信道信息。 Hvirtual的维度低于AP和STA之间的信道信息H的维度。

公开(公告)号：US08873582B2

公开(公告)日：2014-10-28

申请号：US13082025

申请日：2011-04-07

Applicant: Yu Jin Noh ,  Dae Won Lee ,  Yong Ho Seok

Inventor： Yu Jin Noh ,  Dae Won Lee ,  Yong Ho Seok

IPC: H04W84/02 ,  H04L5/00 ,  H04L27/26 ,  H04W28/06

CPC classification number: H04W28/065 ,  H04L5/0023 ,  H04L5/005 ,  H04L5/0085 ,  H04L27/2602 ,  H04W84/12

Abstract: A method of transmitting a data block in a wireless communication system is provided. The method includes generating a data block used for multi-user transmission, the data block comprising a first control field and a data field for a plurality of users, the first control field indicating multi-user transmission of the data block, the data field comprising a plurality of data units, each data unit comprising a PSDU(PLCP(Physical Layer Convergence Procedure) Service Data Unit) for each user and padding bits which are appended to the PSDU for each user; and transmitting the data block to the plurality of users; wherein the number of the padding bits in each data unit is determined so that lengths of the plurality of data units are same and the number of the padding bits in each data unit is determined by Nsym, NDBPS,k, NPSDU,k, where Nsym denotes the number of OFDM symbols of the data field, NDBPS,k denotes the number of data bits per OFDM symbol for k-th user, and the NPSDU,k denotes the length of the PSDU for k-th user.

Abstract translation: 提供了一种在无线通信系统中发送数据块的方法。 该方法包括生成用于多用户传输的数据块，所述数据块包括用于多个用户的第一控制字段和数据字段，所述第一控制字段指示所述数据块的多用户传输，所述数据字段包括 多个数据单元，每个数据单元包括用于每个用户的PSDU（PLCP（物理层会聚过程）服务数据单元）和为每个用户附加到PSDU的填充比特; 以及向所述多个用户发送所述数据块; 其中确定每个数据单元中的填充比特数，使得多个数据单元的长度相同，并且每个数据单元中的填充比特数由Nsym，NDBPS，k，NPSDU，k确定，其中Nsym 表示数据字段的OFDM符号的数量，NDBPS，k表示第k个用户的每个OFDM符号的数据比特数，并且NPSDU，k表示第k个用户的PSDU的长度。

公开(公告)号：US08873493B2

公开(公告)日：2014-10-28

申请号：US13574525

申请日：2011-04-13

Applicant: In Kwon Seo ,  Dae Won Lee ,  Ki Jun Kim ,  Joon Kui Ahn

Inventor： In Kwon Seo ,  Dae Won Lee ,  Ki Jun Kim ,  Joon Kui Ahn

IPC: H04W4/00 ,  H04J3/00 ,  H04N11/04 ,  H04W72/00 ,  H04L1/18 ,  H04L1/00 ,  H03M13/00 ,  H03M13/35 ,  H04L1/16 ,  H04L27/26 ,  H03M13/09 ,  H03M13/23 ,  H03M13/29

CPC classification number: H04L5/005 ,  H03M13/09 ,  H03M13/23 ,  H03M13/29 ,  H03M13/353 ,  H03M13/6306 ,  H03M13/635 ,  H03M13/6362 ,  H03M13/6525 ,  H03M13/6527 ,  H03M13/653 ,  H03M13/6544 ,  H03M13/6558 ,  H04L1/0026 ,  H04L1/0041 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/1664 ,  H04L1/1812 ,  H04L1/1858 ,  H04L1/1861 ,  H04L5/0055 ,  H04L5/0057 ,  H04L27/2601 ,  H04W72/0413

Abstract: A method and apparatus for transmitting an uplink signal are disclosed. The method for transmitting an uplink signal by a communication apparatus in a wireless communication system includes channel encoding control information, and multiplexing the channel encoded control information with a plurality of data blocks by performing channel interleaving, wherein the number of channel encoded symbols for the control information is determined using an inverse number of the sum of a plurality of spectral efficiencies (SEs) for initial transmission of the plurality of data blocks.

Abstract translation: 公开了一种用于发送上行链路信号的方法和装置。 在无线通信系统中，由通信装置发送上行链路信号的方法包括信道编码控制信息，并且通过进行信道交织将信道编码控制信息与多个数据块进行多路复用，其中，用于控制的信道编码符号数 使用用于多个数据块的初始传输的多个频谱效率（SE）的和的倒数来确定信息。

公开(公告)号：US08867457B2

公开(公告)日：2014-10-21

申请号：US12733207

申请日：2008-09-12

Applicant: Hak Seong Kim ,  Bong Hoe Kim ,  Dae Won Lee

Inventor： Hak Seong Kim ,  Bong Hoe Kim ,  Dae Won Lee

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04L5/0053 ,  H04L5/0007

Abstract: A method of transmitting control information includes generating a cyclically shifted sequence by cyclically shifting a base sequence by a cyclic shift amount, generating a modulated sequence based on a modulation symbol for control information and the cyclically shifted sequence, and transmitting the modulated sequence on a plurality of subcarriers, wherein available cyclic shifts of the base sequence are divided into a first part and a second part according to a type of the control information, and the first part and the second part are separated by at least one unallocated cyclic shift of the base sequence.

Abstract translation: 发送控制信息的方法包括通过循环移位基站序列循环移位量来产生循环移位的序列，基于用于控制信息和循环移位序列的调制符号生成调制序列，并将调制序列发送到多个 的子载波，其中根据控制信息的类型将基本序列的可用循环移位分为第一部分和第二部分，并且第一部分和第二部分被基底的至少一个未分配的循环移位分开 序列。

公开(公告)号：US08861332B2

公开(公告)日：2014-10-14

申请号：US13578588

申请日：2011-02-11

Applicant: Han Byul Seo ,  Hak Seong Kim ,  Byoung Hoon Kim ,  Ki Jun Kim ,  Dae Won Lee

Inventor： Han Byul Seo ,  Hak Seong Kim ,  Byoung Hoon Kim ,  Ki Jun Kim ,  Dae Won Lee

IPC: H04J1/16 ,  H04W24/04

CPC classification number: H04W24/04

Abstract: A method and apparatus for recovering a backhaul link failure between a base station and a relay node is provided. The relay node receives information on a plurality of relay subframes used for relaying signals between the base station and the relay node. When a backhaul link failure is detected, the relay node determines at least one reserved subframe except the plurality of relay subframes and receives information to recover the backhaul link failure on a control channel in the at least one reserved subframe.

Abstract translation: 提供了一种用于在基站和中继节点之间恢复回程链路故障的方法和装置。 中继节点接收用于在基站和中继节点之间中继信号的多个中继子帧的信息。 当检测到回程链路故障时，中继节点确定除了多个中继子帧之外的至少一个保留子帧，并且接收信息以恢复至少一个保留子帧中的控制信道上的回程链路故障。