公开(公告)号：US20100215114A1

公开(公告)日：2010-08-26

申请号：US12711185

申请日：2010-02-23

申请人： Bong Hoe KIM ,  Byeong Woo Kang ,  Yu Jin Noh ,  Hak Seong Kim ,  Dae Won Lee

发明人： Bong Hoe KIM ,  Byeong Woo Kang ,  Yu Jin Noh ,  Hak Seong Kim ,  Dae Won Lee

IPC分类号： H04B7/02 ,  H04B17/00

CPC分类号： H04L5/0048 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0613 ,  H04B7/0684

摘要： A method for transmitting a sounding reference signal in a MIMO wireless communication system and an apparatus therefor are disclosed. The method for transmitting sounding reference signals (SRSs) in a MIMO wireless communication system comprises receiving sounding reference signal parameters from a base station; receiving information of the number of sounding reference signals which will be transmitted at a transmission time instant from the base station; if a plurality of sounding reference signals are provided, generating the sounding reference signals corresponding to each of the plurality of antennas by using the sounding reference signal parameters; and transmitting the generated sounding reference signals to the base station through their corresponding antennas at a specific transmission instant.

摘要翻译： 公开了一种用于在MIMO无线通信系统及其装置中发送探测参考信号的方法。 用于在MIMO无线通信系统中发送探测参考信号（SRS）的方法包括从基站接收探测参考信号参数; 接收将从基站在传输时刻发送的探测参考信号的数量的信息; 如果提供多个​​探测参考信号，则通过使用探测参考信号参数产生与多个天线中的每一个对应的探测参考信号; 并且在特定的传输瞬间通过其对应的天线将生成的探测参考信号发送到基站。

公开(公告)号：US08824584B2

公开(公告)日：2014-09-02

申请号：US12711185

申请日：2010-02-23

申请人： Bong Hoe Kim ,  Byeong Woo Kang ,  Yu Jin Noh ,  Hak Seong Kim ,  Dae Won Lee

发明人： Bong Hoe Kim ,  Byeong Woo Kang ,  Yu Jin Noh ,  Hak Seong Kim ,  Dae Won Lee

IPC分类号： H04B7/02

CPC分类号： H04L5/0048 ,  H04B7/0413 ,  H04B7/0417 ,  H04B7/0613 ,  H04B7/0684

摘要： A method for transmitting a sounding reference signal in a MIMO wireless communication system and an apparatus therefor are disclosed. The method for transmitting sounding reference signals (SRSs) in a MIMO wireless communication system comprises receiving sounding reference signal parameters from a base station; receiving information of the number of sounding reference signals which will be transmitted at a transmission time instant from the base station; if a plurality of sounding reference signals are provided, generating the sounding reference signals corresponding to each of the plurality of antennas by using the sounding reference signal parameters; and transmitting the generated sounding reference signals to the base station through their corresponding antennas at a specific transmission instant.

摘要翻译： 公开了一种用于在MIMO无线通信系统及其装置中发送探测参考信号的方法。 用于在MIMO无线通信系统中发送探测参考信号（SRS）的方法包括从基站接收探测参考信号参数; 接收将从基站在传输时刻发送的探测参考信号的数量的信息; 如果提供多个​​探测参考信号，则通过使用探测参考信号参数产生与多个天线中的每一个对应的探测参考信号; 并且在特定的传输瞬间通过其对应的天线将生成的探测参考信号发送到基站。

公开(公告)号：US09363774B2

公开(公告)日：2016-06-07

申请号：US13580097

申请日：2010-11-29

申请人： Byeong Woo Kang ,  Dae Won Lee ,  Yu Jin Noh ,  Bong Hoe Kim ,  Yong Ho Seok

发明人： Byeong Woo Kang ,  Dae Won Lee ,  Yu Jin Noh ,  Bong Hoe Kim ,  Yong Ho Seok

IPC分类号： H04J3/00 ,  H04W56/00 ,  H04L5/00 ,  H04L5/16 ,  H04W8/18 ,  H04W48/16 ,  H04W84/12 ,  H04W8/00

CPC分类号： H04W56/00 ,  H04L5/0023 ,  H04L5/0053 ,  H04L5/16 ,  H04W8/005 ,  H04W8/186 ,  H04W48/16 ,  H04W84/12

摘要： Disclosed is a method for allowing a station to transmit a sounding signal in a multiple-antenna wireless communication system, the method including receiving a group defining information about a group to which the station belongs from an access point (AP); determining a transmission time taken in transmitting a sounding signal by the respective stations, which belong to the group, on the basis of the group defining information; and transmitting a sounding signal to the AP in accordance with the transmission time and preset transmission order when receiving a sounding request signal from the AP.

摘要翻译： 公开了一种允许站在多天线无线通信系统中发送探测信号的方法，所述方法包括从接入点（AP）接收定义关于所述站所属的组的信息的组; 基于所述组定义信息，确定属于所述组的各个站发送探测信号所用的传输时间; 并且当从AP接收到探测请求信号时，根据传输时间和预设的传输顺序，向AP发送探测信号。

公开(公告)号：US09042484B2

公开(公告)日：2015-05-26

申请号：US12965635

申请日：2010-12-10

申请人： Byeong Woo Kang ,  Dong Wook Roh ,  Yong Ho Seok ,  Yu Jin Noh ,  Bong Hoe Kim ,  Dae Won Lee

发明人： Byeong Woo Kang ,  Dong Wook Roh ,  Yong Ho Seok ,  Yu Jin Noh ,  Bong Hoe Kim ,  Dae Won Lee

IPC分类号： H04L5/00 ,  H04W99/00 ,  H04W84/12

CPC分类号： H04L5/0048 ,  H04L27/2628 ,  H04W84/12 ,  H04W99/00

摘要： A method of transmitting a training signal in a Wireless Local Area Network (WLAN) system includes generating one or more first training signals for a first destination station and one or more second training signals for a second destination station by applying a mapping matrix P to a training signal generation sequence, mapping the first training signals and the second training signals to a plurality of antennas according to an antenna mapping matrix, and performing Inverse Fast Fourier Transform (IFFT) on each of the first training signals and the second training signals mapped to the plurality of antennas and transmitting the training signals through the plurality of antennas.

摘要翻译： 在无线局域网（WLAN）系统中发送训练信号的方法包括：通过将映射矩阵P应用于第一目的地站，生成用于第一目的地站的一个或多个第一训练信号和用于第二目的地站的一个或多个第二训练信号 训练信号生成序列，根据天线映射矩阵将第一训练信号和第二训练信号映射到多个天线，并对第一训练信号和第二训练信号中的每一个进行反傅里叶逆变换（IFFT），映射到 多个天线，并通过多个天线发送训练信号。

公开(公告)号：US08861441B2

公开(公告)日：2014-10-14

申请号：US13603906

申请日：2012-09-05

申请人： Dae Won Lee ,  Byeong Woo Kang ,  Yu Jin Noh ,  Bong Hoe Kim ,  Yong Ho Seok

发明人： Dae Won Lee ,  Byeong Woo Kang ,  Yu Jin Noh ,  Bong Hoe Kim ,  Yong Ho Seok

IPC分类号： H04W4/00 ,  H04L27/26 ,  H04W80/02 ,  H04L5/00 ,  H04L1/18

CPC分类号： H04L27/2602 ,  H04B7/0413 ,  H04L1/1812 ,  H04L5/0023 ,  H04L5/0091 ,  H04W52/0216 ,  H04W52/0219 ,  H04W52/0241 ,  H04W72/0413 ,  H04W72/042 ,  H04W80/02 ,  H04W84/12 ,  H04W88/08 ,  Y02B70/30 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/22

摘要： There is provided a method and apparatus for transmitting a frame which is performed by a transmission STA in a WLAN system. The method of transmitting a frame includes generating an MAC Protocol Data Unit (MPDU) to be transmitted to a target station, generating a PLCP Protocol Data Unit (PPDU) by attaching a Physical Layer Convergence Procedure (PLCP) header to the MPDU, and transmitting the PPDU to the target station. The PLCP header comprises a partial Association ID (AID) of the target station.

摘要翻译： 提供了一种用于发送由WLAN系统中的传输STA执行的帧的方法和装置。 发送帧的方法包括生成要发送到目标站的MAC协议数据单元（MPDU），通过将物理层汇聚过程（PLCP）报头附加到MPDU来生成PLCP协议数据单元（PPDU），以及发送 PPDU到目标站。 PLCP报头包括目标站的部分关联ID（AID）。

公开(公告)号：US08812045B2

公开(公告)日：2014-08-19

申请号：US13202703

申请日：2010-03-09

申请人： Bong Hoe Kim ,  Byeong Woo Kang ,  Dae Won Lee ,  Yu Jin Noh ,  Ki Jun Kim ,  Joon Kul Ahn

发明人： Bong Hoe Kim ,  Byeong Woo Kang ,  Dae Won Lee ,  Yu Jin Noh ,  Ki Jun Kim ,  Joon Kul Ahn

IPC分类号： H04B7/00 ,  H04B1/04

CPC分类号： H04W52/146 ,  H04B7/063 ,  H04W52/24

摘要： The present invention relates to a wireless access system, and more particularly, to a method for controlling uplink transmission power in consideration of a transmission rank in a multi-antenna environment. A method for controlling the transmission power of an uplink data channel at a transmitting end which supports a plurality of transmission ranks according to one embodiment of the present invention, comprises the steps of: determining a first transmission power using at least one rank variable dependent on the transmission rank in a specific subframe; comparing the determined first transmission power with a second transmission power which is the preset maximum transmission power; and determining the value judged to be smaller than the result of the comparison to be the transmission power of the data channel.

摘要翻译： 无线接入系统技术领域本发明涉及一种无线接入系统，更具体地说，涉及一种在多天线环境中考虑发射等级来控制上行发射功率的方法。 根据本发明的一个实施例，一种用于控制支持多个传输级别的发送端的上行链路数据信道的发送功率的方法包括以下步骤：使用至少一个秩变量来确定第一发送功率， 在特定子帧中的传输等级; 将确定的第一发送功率与作为预设的最大发送功率的第二发送功率进行比较; 并将判断为小于比较结果的值确定为数据信道的发送功率。

公开(公告)号：US20130021898A1

公开(公告)日：2013-01-24

申请号：US13638775

申请日：2011-04-27

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

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

IPC分类号： H04W72/04 ,  H04W8/30

CPC分类号： H04B7/0417 ,  H04B7/0404 ,  H04B7/0486 ,  H04B7/0623 ,  H04L1/0061 ,  H04L1/1822 ,  H04L1/1861 ,  H04L1/1864 ,  H04L1/1887 ,  H04L1/1893 ,  H04L25/03929

摘要： The present description relates to a wireless communication system, and more particularly, to a method and apparatus for uplink multiple input multiple output (MIMO) transmission. A method for performing an uplink MIMO transmission according to one embodiment of the present invention comprises the following steps: transmitting, from a first subframe, a first data block and a second data block through a first HARQ process and a second HARQ process, respectively; receiving, at a second subframe, uplink scheduling control information on the first data block and control information which indicates inactivation of the second data block; setting HARQ feedback information on the second data block to an ACK state; and performing retransmission of the first data block from a third subframe on the basis of the uplink scheduling control information on the first data block. Retransmission of the second data block may not be performed until uplink scheduling control information on the second data block is received.

摘要翻译： 本发明涉及一种无线通信系统，更具体地，涉及一种用于上行链路多输入多输出（MIMO）传输的方法和装置。 根据本发明的一个实施例的用于执行上行链路MIMO传输的方法包括以下步骤：分别通过第一HARQ进程和第二HARQ进程从第一子帧发送第一数据块和第二数据块; 在第二子帧处接收关于第一数据块的上行链路调度控制信息和指示第二数据块的失活的控制信息; 将所述第二数据块上的HARQ反馈信息设置为ACK状态; 并且基于关于第一数据块的上行链路调度控制信息，从第三子帧执行第一数据块的重传。 在接收到关于第二数据块的上行链路调度控制信息之前，可以不执行第二数据块的再发送。

公开(公告)号：US20120269137A1

公开(公告)日：2012-10-25

申请号：US13386015

申请日：2010-08-02

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

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

IPC分类号： H04W72/04

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

摘要： 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.

摘要翻译： 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：US20120127940A1

公开(公告)日：2012-05-24

申请号：US13320709

申请日：2010-09-08

申请人： Dae Won Lee ,  Dong Wook Roh ,  Byeong Woo Kang ,  Yong Ho Seok ,  Yu Jin Noh ,  Bong Hoe Kim

发明人： Dae Won Lee ,  Dong Wook Roh ,  Byeong Woo Kang ,  Yong Ho Seok ,  Yu Jin Noh ,  Bong Hoe Kim

IPC分类号： H04W72/04

CPC分类号： H04B7/0452 ,  H04B7/0671 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/0053 ,  H04L25/0226 ,  H04L25/03343 ,  H04W84/12

摘要： There is provided a method of transmitting control information in a Wireless Local Area Network (WLAN) system, comprising transmitting first control information by means of cyclic shift delay diversity beam-forming and transmitting second control information. The first control information comprises information necessary for each of a plurality of target stations of the second control information to receive the second control information. The second control information beamformed and transmitted to the plurality of target stations.

摘要翻译： 提供了一种在无线局域网（WLAN）系统中发送控制信息的方法，包括：通过循环移位延迟分集波束形成和发送第二控制信息来发送第一控制信息。 第一控制信息包括用于接收第二控制信息的第二控制信息的多个目标站中的每一个所需的信息。 第二控制信息波束形成并发送到多个目标站。

公开(公告)号：US20120057562A1

公开(公告)日：2012-03-08

申请号：US13320495

申请日：2010-07-19

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

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

IPC分类号： H04W72/06

CPC分类号： H04B7/0452 ,  H04B7/063 ,  H04L5/0007 ,  H04L5/0051 ,  H04L5/0094

摘要： Disclosed in a method for a terminal to receive a downlink signal in a multi user MIMO (MU-MIMO) wireless communication system. More specifically, the method comprises the steps of: receiving downlink control information (DCI) from a base station; obtaining a parameter for a downlink demodulating-reference signal (DM-RS) included in the downlink control information; receiving the downlink DM-RS specified to the terminal on the basis of the parameter; and receiving a downlink data signal on the basis of the downlink DM-RS specified in the terminal, wherein the parameter includes information on a rank which is set in the terminal and a logical antenna port in which the downlink DM-RS is defined.

摘要翻译： 公开了一种终端在多用户MIMO（MU-MIMO）无线通信系统中接收下行链路信号的方法。 更具体地说，该方法包括以下步骤：从基站接收下行链路控制信息（DCI）; 获取下行链路控制信息中包含的下行链路解调参考信号（DM-RS）的参数; 基于该参数接收指定给终端的下行DM-RS; 以及基于在终端中指定的下行DM-RS接收下行链路数据信号，其中该参数包括关于终端中设置的秩的信息和定义了下行DM-RS的逻辑天线端口。