公开(公告)号：US20120263126A1

公开(公告)日：2012-10-18

申请号：US13446448

申请日：2012-04-13

申请人： Jee-Yon CHOI ,  Jae-Seung Lee ,  Jong-Ee Oh ,  Sok-Kyu Lee

发明人： Jee-Yon CHOI ,  Jae-Seung Lee ,  Jong-Ee Oh ,  Sok-Kyu Lee

IPC分类号： H04W72/04

CPC分类号： H04B7/0617 ,  H04B7/0417 ,  H04B7/0639 ,  H04B7/0643 ,  H04W48/16 ,  H04W84/12

摘要： Disclosed are an apparatus and a method for transmitting/receiving data by acquiring channel information of a terminal receiving data in a communication system providing services to users through beamforming according to a multi-input multi-output (MIMO) scheme, wherein so as to acquire channel information of the terminal for transmitting/receiving data through the beamforming according to the MIMO scheme, a null data packet announcement (NDPA) frame and a null data packet (NDP) frame are transmitted to the terminal, the beamforming frame is received from the terminal as a response of the null data packet announcement frame and the null data packet frame, and the channel information of the terminal included in the beamforming frame and the indication information on which the null data packet frame included in a control information field of the beamforming frame is normally received are checked.

摘要翻译： 公开了一种通过获取通过根据多输入多输出（MIMO）方案通过波束形成向用户提供服务的通信系统中的接收数据的终端的信道信息来发送/接收数据的装置和方法，其中， 通过根据MIMO方案的波束形成发送/接收数据的终端的信道信息，空值数据分组通知（NDPA）帧和空数据分组（NDP）帧被发送到终端，波束形成帧从 终端作为空数据分组公告帧和空数据分组帧的响应，以及包括在波束成形帧中的终端的信道信息和包括在波束形成的控制信息字段中的空数据分组帧的指示信息 正常接收的帧被检查。

公开(公告)号：US08824402B2

公开(公告)日：2014-09-02

申请号：US13446448

申请日：2012-04-13

申请人： Jee-Yon Choi ,  Jae-Seung Lee ,  Jong-Ee Oh ,  Sok-Kyu Lee

发明人： Jee-Yon Choi ,  Jae-Seung Lee ,  Jong-Ee Oh ,  Sok-Kyu Lee

IPC分类号： H04W4/00 ,  H04B7/06 ,  H04B7/04 ,  H04W48/16 ,  H04W84/12

CPC分类号： H04B7/0617 ,  H04B7/0417 ,  H04B7/0639 ,  H04B7/0643 ,  H04W48/16 ,  H04W84/12

摘要： Disclosed are an apparatus and a method for transmitting/receiving data by acquiring channel information of a terminal receiving data in a communication system providing services to users through beamforming according to a multi-input multi-output (MIMO) scheme, wherein so as to acquire channel information of the terminal for transmitting/receiving data through the beamforming according to the MIMO scheme, a null data packet announcement (NDPA) frame and a null data packet (NDP) frame are transmitted to the terminal, the beamforming frame is received from the terminal as a response of the null data packet announcement frame and the null data packet frame, and the channel information of the terminal included in the beamforming frame and the indication information on which the null data packet frame included in a control information field of the beamforming frame is normally received are checked.

摘要翻译： 公开了一种通过获取通过根据多输入多输出（MIMO）方案通过波束形成向用户提供服务的通信系统中的接收数据的终端的信道信息来发送/接收数据的装置和方法，其中， 通过根据MIMO方案的波束形成发送/接收数据的终端的信道信息，空值数据分组通知（NDPA）帧和空数据分组（NDP）帧被发送到终端，波束形成帧从 终端作为空数据分组公告帧和空数据分组帧的响应，以及包括在波束成形帧中的终端的信道信息和包括在波束形成的控制信息字段中的空数据分组帧的指示信息 正常接收的帧被检查。

公开(公告)号：US20120106575A1

公开(公告)日：2012-05-03

申请号：US13283497

申请日：2011-10-27

申请人： Jong-Ee OH ,  Sok-Kyu Lee ,  Min-Ho Cheong ,  Jee-Yon Choi ,  Jae-Woo Park ,  Hyun-Kyu Chung

发明人： Jong-Ee OH ,  Sok-Kyu Lee ,  Min-Ho Cheong ,  Jee-Yon Choi ,  Jae-Woo Park ,  Hyun-Kyu Chung

IPC分类号： H04J3/24

CPC分类号： H04L1/0057 ,  H03M13/1102 ,  H03M13/23 ,  H03M13/6527 ,  H04L1/0068 ,  H04L1/0075 ,  H04L1/0083

摘要： Disclosed is an apparatus and method for transmitting/receiving data using a low-density parity check (LDPC) coding scheme in a communication system. The method includes generating a multi-user data packet containing data to be transmitted to a plurality of users, encoding the multi-user data packet as a BCC and an LDPC code, and transmitting the encoded multi-user data packet to the plurality of users. In the method, the encoding of the multi-user data packet encodes MPDU subframes corresponding to each of the plurality of users in the multi-user data packet as the LDPC code, and calculates information on a length in LDPC encoding, corresponding to the encoding of the multi-user data packet as the LDPC code.

摘要翻译： 公开了一种在通信系统中使用低密度奇偶校验（LDPC）编码方案发送/接收数据的装置和方法。 该方法包括生成包含要发送给多个用户的数据的多用户数据分组，将多用户数据分组编码为BCC和LDPC码，并将编码的多用户数据分组发送给多个用户 。 在该方法中，多用户数据分组的编码将与多用户数据分组中的多个用户中的每一个对应的MPDU子帧编码为LDPC码，并且计算与LDPC编码相对应的LDPC编码长度的信息 作为LDPC码的多用户数据分组。

公开(公告)号：US08615023B2

公开(公告)日：2013-12-24

申请号：US13283497

申请日：2011-10-27

申请人： Jong-Ee Oh ,  Sok-Kyu Lee ,  Min-Ho Cheong ,  Jee-Yon Choi ,  Jae-Woo Park ,  Hyun-Kyu Chung

发明人： Jong-Ee Oh ,  Sok-Kyu Lee ,  Min-Ho Cheong ,  Jee-Yon Choi ,  Jae-Woo Park ,  Hyun-Kyu Chung

IPC分类号： H04J3/24

CPC分类号： H04L1/0057 ,  H03M13/1102 ,  H03M13/23 ,  H03M13/6527 ,  H04L1/0068 ,  H04L1/0075 ,  H04L1/0083

摘要： Disclosed is an apparatus and method for transmitting/receiving data using a low-density parity check (LDPC) coding scheme in a communication system. The method includes generating a multi-user data packet containing data to be transmitted to a plurality of users, encoding the multi-user data packet as a BCC and an LDPC code, and transmitting the encoded multi-user data packet to the plurality of users. In the method, the encoding of the multi-user data packet encodes MPDU subframes corresponding to each of the plurality of users in the multi-user data packet as the LDPC code, and calculates information on a length in LDPC encoding, corresponding to the encoding of the multi-user data packet as the LDPC code.

摘要翻译： 公开了一种在通信系统中使用低密度奇偶校验（LDPC）编码方案发送/接收数据的装置和方法。 该方法包括生成包含要发送给多个用户的数据的多用户数据分组，将多用户数据分组编码为BCC和LDPC码，并将编码的多用户数据分组发送给多个用户 。 在该方法中，多用户数据分组的编码将与多用户数据分组中的多个用户中的每一个对应的MPDU子帧编码为LDPC码，并且计算与LDPC编码相对应的LDPC编码长度的信息 作为LDPC码的多用户数据分组。

公开(公告)号：US08422474B2

公开(公告)日：2013-04-16

申请号：US13443635

申请日：2012-04-10

申请人： Jaewoo Park ,  Jong-Ee Oh ,  Il-Gu Lee ,  Sok-Kyu Lee ,  Minho Cheong ,  Jeeyon Choi ,  Jae-Seung Lee ,  Yun-Joo Kim

发明人： Jaewoo Park ,  Jong-Ee Oh ,  Il-Gu Lee ,  Sok-Kyu Lee ,  Minho Cheong ,  Jeeyon Choi ,  Jae-Seung Lee ,  Yun-Joo Kim

IPC分类号： H04W4/00

CPC分类号： H04B7/0452 ,  H04B7/0413 ,  H04L1/0003 ,  H04L1/0061 ,  H04L1/0072 ,  H04L1/0075 ,  H04L1/0083 ,  H04L1/08 ,  H04L27/18 ,  H04L27/20 ,  H04L69/22 ,  H04L69/323 ,  H04Q2213/13215 ,  H04W84/12

摘要： The present invention relates to a method and apparatus for transceiving data. A method in which a transmitting terminal transmits data to a receiving terminal in a MIMO system according to one embodiment of the present invention comprises the following steps: generating a data field containing the data; generating a signal field containing information on the data field; generating a data frame containing the data field and the signal field; and transmitting the data frame to the receiving terminal. According to the present invention, an end of the frame being transmitted is accurately notified to the receiving terminal in a communication system in which the frame is transmitted using MIMO, thereby decoding the frame in a more efficient manner at the receiving terminal.

公开(公告)号：US08300612B2

公开(公告)日：2012-10-30

申请号：US12129007

申请日：2008-05-29

申请人： Jee-Yon Choi ,  Yoo-Seung Song ,  Yun-Joo Kim ,  Hyun-Gu Park ,  Kwhang-Hyun Ryu ,  Sok-Kyu Lee

发明人： Jee-Yon Choi ,  Yoo-Seung Song ,  Yun-Joo Kim ,  Hyun-Gu Park ,  Kwhang-Hyun Ryu ,  Sok-Kyu Lee

IPC分类号： H04W4/00 ,  H04W72/00 ,  H04J3/24 ,  H04Q11/00

CPC分类号： H04W72/1278 ,  H04W28/20

摘要： Provided are a MAC method and a method for transmitting data using the same in a WLAN. The MAC method includes: transmitting a bandwidth scheduling report frame for informing information on downlinks and uplinks allocated to a terminal by including the bandwidth scheduling report frame in one of the downlinks where the bandwidth scheduling report frame includes a plurality of downlinks, a plurality of uplinks, and a plurality of short uplinks and the number of the plurality of downlinks is equal to the number of the plurality of uplinks; receiving a bandwidth request frame for requesting bandwidth allocation through one of the uplinks; and allocating a bandwidth to each of the terminals by an unit of the downlink and the uplink.

摘要翻译： 提供了一种MAC方法和一种用于在WLAN中发送数据的方法。 MAC方法包括：通过在带宽调度报告帧包括多个下行链路的下行链路之一中包括带宽调度报告帧来发送用于通知分配给终端的下行链路和上行链路的信息的带宽调度报告帧，多个上行链路 和多个短上行链路，并且多个下行链路的数量等于多个上行链路的数量; 接收用于通过所述上行链路之一请求带宽分配的带宽请求帧; 并且通过下行链路和上行链路的单元向每个终端分配带宽。

公开(公告)号：US20100257422A1

公开(公告)日：2010-10-07

申请号：US12745736

申请日：2008-06-13

申请人： Yunjoo Kim ,  Yoo-Seung Song ,  Jee-Yon Choi ,  Hyungu Park ,  Sok-Kyu Lee ,  Kyounghee Song

发明人： Yunjoo Kim ,  Yoo-Seung Song ,  Jee-Yon Choi ,  Hyungu Park ,  Sok-Kyu Lee ,  Kyounghee Song

IPC分类号： H04L1/18 ,  H04B7/02 ,  G06F11/14

CPC分类号： H04L5/0023 ,  H04L1/06 ,  H04L1/1893 ,  H04L5/0044 ,  H04L5/0064

摘要： Provided are an apparatus and method for processing an ARQ in a MIMO system. The apparatus includes a storing unit for storing reordering thresholds of each receiving terminal and retransmission data; a priority managing unit for assigning a priority to a plurality of antenna groups in ascending order of a bit error rate of a wireless channel of each antenna group and managing the plurality of antenna groups based on the priorities; a data transmitting unit for transmitting retransmission data; and a controlling unit for controlling the data transmitting unit to transmit retransmission data within a range not exceeding a reordering threshold of a corresponding receiving terminal sequentially using an antenna group having the highest priority first.

摘要翻译： 提供了一种在MIMO系统中处理ARQ的装置和方法。 该装置包括存储单元，用于存储每个接收终端的重新排序阈值和重传数据; 优先管理单元，用于按照每个天线组的无线信道的误比特率的升序向多个天线组分配优先级，并且基于优先级来管理多个天线组; 数据发送单元，用于发送重发数据; 以及控制单元，用于控制数据发送单元在不超过相应接收终端的重排序阈值的范围内，使用首先具有最高优先级的天线组来顺序发送重传数据。

公开(公告)号：US20090135942A1

公开(公告)日：2009-05-28

申请号：US12174929

申请日：2008-07-17

申请人： Yun-Joo Kim ,  Yoo-Seung Song ,  Jee-Yon Choi ,  Hyun-Gu Park ,  Minho Cheong ,  Sok-Kyu Lee

发明人： Yun-Joo Kim ,  Yoo-Seung Song ,  Jee-Yon Choi ,  Hyun-Gu Park ,  Minho Cheong ,  Sok-Kyu Lee

IPC分类号： H04B7/02

CPC分类号： H04B7/0691 ,  H04L47/50

摘要： Provided are an apparatus and method for transmitting data using a multi-antenna. The apparatus includes a transmission buffer selecting unit for selecting transmission buffer of an antenna group corresponding to characteristics of each aggregated Medium access control Protocol Data Units (MPDU) when a list of aggregated MPDUs to transmit is received; a data transmitting unit for generating a list of aggregated MPDUs to transmit with storage information of the aggregated MPDUs, transferring the generated list to the transmission buffer selecting unit and transmitting corresponding aggregated MPDUs through the selected transmission buffer; and a timing controlling unit for controlling a transmission timing of each aggregated MPDU.

摘要翻译： 提供了一种使用多天线发送数据的装置和方法。 发送缓冲器选择单元，用于当接收到要发送的聚合MPDU的列表时，选择对应于每个聚合的媒体访问控制协议数据单元（MPDU）的特性的天线组的发送缓冲器; 数据发送单元，用于生成与所聚合的MPDU的存储信息一起发送的聚合MPDU的列表，将生成的列表传送到发送缓冲器选择单元，并通过所选择的发送缓冲器发送对应的聚合MPDU; 以及定时控制单元，用于控制每个汇聚的MPDU的发送定时。

公开(公告)号：US08392782B2

公开(公告)日：2013-03-05

申请号：US12745736

申请日：2008-06-13

申请人： Yunjoo Kim ,  Yoo-Seung Song ,  Jee-Yon Choi ,  Hyungu Park ,  Sok-Kyu Lee ,  Kyounghee Song

发明人： Yunjoo Kim ,  Yoo-Seung Song ,  Jee-Yon Choi ,  Hyungu Park ,  Sok-Kyu Lee ,  Kyounghee Song

IPC分类号： G06F11/00

CPC分类号： H04L5/0023 ,  H04L1/06 ,  H04L1/1893 ,  H04L5/0044 ,  H04L5/0064

摘要： Provided are an apparatus and method for processing an ARQ in a MIMO system. The apparatus includes a storing unit for storing reordering thresholds of each receiving terminal and retransmission data; a priority managing unit for assigning a priority to a plurality of antenna groups in ascending order of a bit error rate of a wireless channel of each antenna group and managing the plurality of antenna groups based on the priorities; a data transmitting unit for transmitting retransmission data; and a controlling unit for controlling the data transmitting unit to transmit retransmission data within a range not exceeding a reordering threshold of a corresponding receiving terminal sequentially using an antenna group having the highest priority first.

摘要翻译： 提供了一种在MIMO系统中处理ARQ的装置和方法。 该装置包括存储单元，用于存储每个接收终端的重新排序阈值和重传数据; 优先管理单元，用于按照每个天线组的无线信道的误比特率的升序向多个天线组分配优先级，并且基于优先级来管理多个天线组; 数据发送单元，用于发送重发数据; 以及控制单元，用于控制数据发送单元在不超过相应接收终端的重排序阈值的范围内，使用首先具有最高优先级的天线组来顺序发送重传数据。

公开(公告)号：US08537920B2

公开(公告)日：2013-09-17

申请号：US12174929

申请日：2008-07-17

申请人： Yun-Joo Kim ,  Yoo-Seung Song ,  Jee-Yon Choi ,  Hyun-Gu Park ,  Minho Cheong ,  Sok-Kyu Lee

发明人： Yun-Joo Kim ,  Yoo-Seung Song ,  Jee-Yon Choi ,  Hyun-Gu Park ,  Minho Cheong ,  Sok-Kyu Lee

IPC分类号： H04B7/02 ,  H04L1/02

CPC分类号： H04B7/0691 ,  H04L47/50

摘要： Provided are an apparatus and method for transmitting data using a multi-antenna. The apparatus includes a transmission buffer selecting unit for selecting transmission buffer of an antenna group corresponding to characteristics of each aggregated Medium access control Protocol Data Units (MPDU) when a list of aggregated MPDUs to transmit is received; a data transmitting unit for generating a list of aggregated MPDUs to transmit with storage information of the aggregated MPDUs, transferring the generated list to the transmission buffer selecting unit and transmitting corresponding aggregated MPDUs through the selected transmission buffer; and a timing controlling unit for controlling a transmission timing of each aggregated MPDU.

摘要翻译： 提供了一种使用多天线发送数据的装置和方法。 发送缓冲器选择单元，用于当接收到要发送的聚合MPDU的列表时，选择对应于每个聚合的媒体访问控制协议数据单元（MPDU）的特性的天线组的发送缓冲器; 数据发送单元，用于生成与所聚合的MPDU的存储信息一起发送的聚合MPDU的列表，将生成的列表传送到发送缓冲器选择单元，并通过所选择的发送缓冲器发送对应的聚合MPDU; 以及定时控制单元，用于控制每个汇聚的MPDU的发送定时。