公开(公告)号：US08325669B2

公开(公告)日：2012-12-04

申请号：US12786350

申请日：2010-05-24

Applicant: Hak Seong Kim ,  Ki Jun Kim ,  Suk Hyon Yoon ,  Joon Kui Ahn ,  Young Woo Yun ,  Eun Sun Kim ,  Dae Won Lee

Inventor： Hak Seong Kim ,  Ki Jun Kim ,  Suk Hyon Yoon ,  Joon Kui Ahn ,  Young Woo Yun ,  Eun Sun Kim ,  Dae Won Lee

IPC: H04W4/00 ,  H04B7/216 ,  H04L1/14

CPC classification number: H04L1/1671 ,  H04L1/1819 ,  H04L1/1874 ,  H04L1/1887 ,  H04L27/2601 ,  H04L2001/125

Abstract: A method for modifying a synchronous non-adaptive retransmission scheme to solve the limitation of the synchronous non-adaptive retransmission scheme is disclosed. A method for indicating not only the new data transmission but also the retransmission using a data scheduling message is disclosed. A method for determining whether there is an error in the ACK signal transmitted from a data reception end using another message to be received later is disclosed. The retransmission method for a multi-carrier system includes: receiving a grant message including scheduling information for transmitting uplink data wherein a retransmission scheme for the uplink data is predetermined by a first retransmission scheduling, transmitting the uplink data according to the scheduling information and retransmitting the uplink data according to second retransmission scheduling by receiving the second retransmission scheduling information associated with the uplink data with retransmission request.

Abstract translation: 公开了一种用于修改同步非自适应重发方案以解决同步非自适应重传方案的限制的方法。 公开了一种用于不仅指示新数据传输而且用于使用数据调度消息进行重传的方法。 公开了一种用于使用稍后接收的另一消息来确定从数据接收端发送的ACK信号中是否存在错误的方法。 多载波系统的重传方法包括：接收包括用于发送上行链路数据的调度信息的许可消息，其中通过第一重传调度预定上行链路数据的重传方案，根据调度信息发送上行链路数据，并重发 上行链路数据根据第二重传调度，通过重发请求接收与上行链路数据相关联的第二重传调度信息。

公开(公告)号：US20120269137A1

公开(公告)日：2012-10-25

申请号：US13386015

申请日：2010-08-02

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

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

IPC: H04W72/04

CPC classification number: H04L5/0023 ,  H04B7/0404 ,  H04B7/0413 ,  H04L1/1671 ,  H04L5/0055 ,  H04W72/04 ,  H04W72/042 ,  H04W74/004

Abstract: A method for performing retransmission at a user equipment of a MIMO wireless communication system is disclosed. The method comprises transmitting multiple transport blocks to a base station for a transmission unit time in accordance with uplink grant information, which includes a first new data indicator; receiving ACK/NACK (Acknowledgement/Negative-ACK) responses corresponding to the respective transport blocks and uplink grant information, which includes a second new data indicator, from the base station; and performing new transmission or retransmission for the multiple transport blocks in one transport block unit for a transmission unit time in accordance with the ACK/NACK responses and the second new data indicator, if transport rank is reduced to 1.

Abstract translation: 公开了一种在MIMO无线通信系统的用户设备进行重传的方法。 该方法包括：根据包括第一新数据指示符的上行授权信息向基站发送多个传输块用于传输单元时间; 从基站接收对应于相应传输块的ACK / NACK（确认/否定 - ACK）响应和包括第二新数据指示符的上行链路许可信息; 并且如果传输等级减少到1，则根据ACK / NACK响应和第二新数据指示符，针对传输单元时间的一个传输块单元中的多个传输块执行新的传输或重传。

公开(公告)号：US20120257574A1

公开(公告)日：2012-10-11

申请号：US13515266

申请日：2010-08-18

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

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

IPC: H04B15/00 ,  H04W84/12

CPC classification number: H04W72/082 ,  H04W28/04 ,  H04W48/16 ,  H04W72/046 ,  H04W84/12 ,  H04W88/08

Abstract: An interference avoidance method performed by an Access Point (AP) in a WLAN system in an Overlapping Basic Service Set (OBSS) environment is provided. The interference avoidance method includes receiving an interference avoidance request message from the first STA, the interference avoidance request message informing that frame transmission of the AP acts as interference with a first STA; transmitting an interference avoidance response message in response to the interference avoidance request message; obtaining first channel information about a first channel between the first STA and the AP from the first STA which has received the interference avoidance response message; determining a transmitting steering matrix based on the first channel information; and transmitting data to a second STA by performing beamforming according to the transmitting steering matrix.

Abstract translation: 提供了一种由重叠基础服务集（OBSS）环境中的WLAN系统中的接入点（AP）执行的干扰避免方法。 干扰避免方法包括从第一STA接收干扰避免请求消息，通知AP的帧传输作为与第一STA的干扰的干扰避免请求消息; 响应于所述干扰避免请求消息发送干扰避免响应消息; 从已经接收到干扰避免响应消息的第一STA获取关于第一STA和AP之间的第一信道的第一信道信息; 基于所述第一信道信息确定发射导向矩阵; 以及通过根据发射导向矩阵执行波束成形来将数据发送到第二STA。

公开(公告)号：US08281201B2

公开(公告)日：2012-10-02

申请号：US12364190

申请日：2009-02-02

Applicant: Hak Seong Kim ,  Joon Kui Ahn ,  Dae Won Lee

Inventor： Hak Seong Kim ,  Joon Kui Ahn ,  Dae Won Lee

IPC: G06F11/00

CPC classification number: H04L1/1861 ,  H04L1/0004 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/18 ,  H04L1/1812 ,  H04L1/1854 ,  H04L1/1887 ,  H04L5/0057 ,  H04W72/0413 ,  H04W72/042

Abstract: A method of supporting Hybrid Automatic Repeat Request (HARQ) includes receiving an initial uplink grant on a downlink channel, transmitting uplink data on an uplink channel using the initial uplink grant, receiving a request for retransmission of the uplink data, determining at least one transmission parameter of a channel quality indicator (CQI) from the initial uplink grant, multiplexing retransmission data of the uplink data with the CQI, and transmitting the multiplexed data on the uplink channel. Amount of resources for transmission of the CQI is determined based on the at least one transmission parameter.

Abstract translation: 支持混合自动重复请求（HARQ）的方法包括在下行链路信道上接收初始上行链路许可，使用初始上行链路授权在上行链路信道上发送上行链路数据，接收上行链路数据的重传请求，确定至少一个传输 来自初始上行链路授权的信道质量指示符（CQI）的参数，利用CQI复用上行链路数据的重发数据，以及在上行链路信道上发送多路复用数据。 基于至少一个传输参数来确定用于传输CQI的资源量。

公开(公告)号：US20120224570A1

公开(公告)日：2012-09-06

申请号：US13499473

申请日：2010-10-01

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

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

IPC: H04W84/12 ,  H04B7/26

CPC classification number: H04W16/14 ,  H04L5/0023 ,  H04L5/0048 ,  H04L27/2613 ,  H04W84/12

Abstract: A method of transmitting data in a WLAN system using a transmission frequency band including a plurality of frequency blocks includes generating a transmission information field, including at least one of information for timing acquisition of a frame, channel estimation information, and information for demodulation and decoding of the data, generating a plurality of transformed transmission information fields by multiplying the transmission information field by a transform sequence, and transmitting the plurality of transformed transmission information fields through the plurality of respective frequency blocks. The transform sequence comprises a plurality of transform values, and the plurality of transformed transmission information fields is generated by multiplying transmission information field by each of a plurality of transform values.

Abstract translation: 使用包括多个频率块的发送频带在WLAN系统中发送数据的方法包括生成包括用于帧的定时获取的信息，信道估计信息和解调和解码信息中的至少一个的发送信息字段 通过将发送信息字段乘以变换序列来生成多个经变换的发送信息字段，并通过多个各个频率块发送多个经变换的发送信息字段。 变换序列包括多个变换值，并且通过将发送信息字段乘以多个变换值中的每一个来生成多个经变换的发送信息字段。

公开(公告)号：US20120218982A1

公开(公告)日：2012-08-30

申请号：US13505388

申请日：2011-06-30

Applicant: Dae Won Lee ,  Byeong Woo Kang ,  Yu Jin Noh ,  Yong Ho Seok ,  Dong Wook Roh

Inventor： Dae Won Lee ,  Byeong Woo Kang ,  Yu Jin Noh ,  Yong Ho Seok ,  Dong Wook Roh

IPC: H04W84/02

CPC classification number: H04L1/0009 ,  H04B7/0413 ,  H04B7/0452 ,  H04L1/0003 ,  H04L1/0031 ,  H04L1/0057 ,  H04L1/0059 ,  H04L1/0075 ,  H04L1/06 ,  H04L5/0048 ,  H04L25/0226 ,  H04L27/2602 ,  H04W84/12

Abstract: A method of transmitting a multiple input multiple output (MIMO) packet by a transmitter in a wireless local area network (WLAN) system is provided. The method includes: generating a MIMO packet including at least one spatial stream set transmitted respectively to at least one receiver, wherein each spatial stream set is encoded on the basis of one of two encoding schemes; transmitting first control information including a MIMO indicator and a first modulation and coding scheme (MCS) field, wherein the MIMO indicator indicates whether the MIMO packet is for single user (SU)-MIMO or multi user (MU)-MIMO, and the first MCS field indicates an MCS used for the MIMO packet if the MIMO packet is for SU-MIMO transmission, and indicates an encoding scheme applied for each of the spatial stream sets if the MIMO packet is for MU-MIMO transmission; and transmitting the MIMO packet to at least one receiver.

Abstract translation: 提供了一种在无线局域网（WLAN）系统中由发射机发送多输入多输出（MIMO）分组的方法。 该方法包括：产生包括分别发送给至少一个接收机的至少一个空间流集合的MIMO分组，其中每个空间流集合基于两种编码方案之一进行编码; 发送包括MIMO指示符和第一调制和编码方案（MCS）字段的第一控制信息，其中所述MIMO指示符指示所述MIMO分组是针对单用户（SU）-MIMO还是多用户（MU）-MIMO，并且所述第一 如果MIMO分组用于SU-MIMO传输，则MCS字段指示用于MIMO分组的MCS，并且如果MIMO分组用于MU-MIMO传输，则指示针对每个空间流集合应用的编码方案; 以及将MIMO分组发送到至少一个接收机。

公开(公告)号：US20120213204A1

公开(公告)日：2012-08-23

申请号：US13505387

申请日：2011-04-13

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

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

IPC: H04W36/08 ,  H04W84/12

CPC classification number: H04W72/0453 ,  H04W40/02 ,  H04W72/02 ,  H04W72/04 ,  H04W72/0406 ,  H04W76/10 ,  H04W84/12 ,  H04W88/08

Abstract: A communication method in a wireless local area network (WLAN) system is provided. The communication method includes: configuring, by a first access point (AP), a first basic service set (BSS) which uses a first primary channel (P-CH) and a first secondary channel (S-CH); and configuring, by a second AP, a second BSS which uses a second P-CH, a second S-CH, a second tertiary channel (T-CH), and a second quaternary channel (Q-CH), wherein a band of the first P-CH overlaps with a band of the second P-CH, and the second P-CH is a common channel which is used in an operation of a member station of the second BSS.

Abstract translation: 提供了一种无线局域网（WLAN）系统中的通信方法。 通信方法包括：通过第一接入点（AP）配置使用第一主信道（P-CH）和第一辅助信道（S-CH）的第一基本业务集合（BSS）; 以及通过第二AP配置使用第二P-CH，第二S-CH，第二三通道（T-CH）和第二四通道（Q-CH）的第二BSS，其中， 第一P-CH与第二P-CH的频带重叠，第二P-CH是在第二BSS的成员站的操作中使用的公共信道。

公开(公告)号：US08213377B2

公开(公告)日：2012-07-03

申请号：US13185343

申请日：2011-07-18

Applicant: Dae Won Lee ,  Ki Jun Kim ,  Dong Wook Roh ,  Yu Jin Noh ,  Joon Kui Ahn ,  Jung Hoon Lee

Inventor： Dae Won Lee ,  Ki Jun Kim ,  Dong Wook Roh ,  Yu Jin Noh ,  Joon Kui Ahn ,  Jung Hoon Lee

IPC: H04W4/00

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0053 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/2656 ,  H04L27/2666 ,  H04W24/08 ,  H04W48/12 ,  H04W88/02 ,  H04W88/08

Abstract: A method for efficiently transmitting and receiving control information through a Physical Downlink Control Channel (PDCCH) is provided. When a User Equipment (UE) receives control information through a PDCCH, the received control information is set to be decoded in units of search spaces, each having a specific start position in the specific subframe. Here, a modulo operation according to a predetermined first constant value (D) is performed on an input value to calculate a first result value, and a modulo operation according to a predetermined first variable value (C) corresponding to the number of candidate start positions that can be used as the specific start position is performed on the calculated first result value to calculate a second result value and an index position corresponding to the second result value is used as the specific start position. Transmitting control information in this manner enables a plurality of UEs to efficiently receive PDCCHs without collisions.

Abstract translation: 提供了一种通过物理下行链路控制信道（PDCCH）高效地发送和接收控制信息的方法。 当用户设备（UE）通过PDCCH接收到控制信息时，所接收的控制信息被设置为以搜索空间为单位进行解码，每个搜索空间在特定子帧中具有特定的开始位置。 这里，对输入值执行根据预定的第一常数值（D）的模运算以计算第一结果值，并且根据与候选开始位置的数量相对应的预定的第一可变值（C）进行模运算 对计算出的第一结果值执行可用作特定开始位置的计算第二结果值，并将与第二结果值对应的索引位置用作特定开始位置。 以这种方式发送控制信息使得多个UE能够有效地接收PDCCH而不发生冲突。

公开(公告)号：US08213293B2

公开(公告)日：2012-07-03

申请号：US12540306

申请日：2009-08-12

Applicant: Dae Won Lee ,  Yu Jin Noh ,  Bong Hoe Kim ,  Young Woo Yun

Inventor： Dae Won Lee ,  Yu Jin Noh ,  Bong Hoe Kim ,  Young Woo Yun

IPC: H04J11/00

CPC classification number: H04J11/003 ,  H04B7/043 ,  H04B7/0452

Abstract: A method for implementing transmit diversity in a wireless mobile communication system adopting an SC-FDMA scheme is provided. A sequence of modulation symbols output from a DFT block are precoded prior to IFFT. The precoding is performed independently on an antenna basis. Modulation symbols mapped to each subcarrier of an SC-FDMA symbol, to be transmitted through each antenna may be additionally phase-shifted.

Abstract translation: 提供了一种在采用SC-FDMA方案的无线移动通信系统中实现发射分集的方法。 从DFT块输出的调制符号序列在IFFT之前被预编码。 预编码在天线基础上独立执行。 映射到要通过每个天线发送的SC-FDMA符号的每个子载波的调制符号可以被附加地相移。

公开(公告)号：US20120147805A1

公开(公告)日：2012-06-14

申请号：US13257587

申请日：2010-03-18

Applicant: Hak Seong Kim ,  Dae Won Lee ,  Ki Jun Kim

Inventor： Hak Seong Kim ,  Dae Won Lee ,  Ki Jun Kim

IPC: H04W4/06

CPC classification number: H04B7/2606 ,  H04B7/155 ,  H04W72/0406

Abstract: According to one aspect of the present invention, a method in which a relay performs multicell cooperative communication comprises the steps of: receiving scheduling information and data from a base station; receiving a bypass indicator from the base station; performing protocol layer processing on the scheduling information and data in accordance with the bypass indicator; and transmitting the processed data to a user equipment in accordance with the processed scheduling information, wherein said bypass indicator indicates that the protocol layer processing should be performed for only a portion of the protocol layer of the relay.

Abstract translation: 根据本发明的一个方面，一种中继执行多协调通信的方法包括以下步骤：从基站接收调度信息和数据; 从基站接收旁路指示符; 根据旁路指示符对调度信息和数据执行协议层处理; 以及根据所处理的调度信息将处理后的数据发送给用户设备，其中所述旁路指示符指示应仅对所述中继器的协议层的一部分执行协议层处理。