公开(公告)号：US08214717B2

公开(公告)日：2012-07-03

申请号：US12166866

申请日：2008-07-02

申请人： Jong-Ee Oh ,  Chanho Yoon ,  Cheol-Hui Ryu ,  Eun-Young Choi ,  Sok-Kyu Lee

发明人： Jong-Ee Oh ,  Chanho Yoon ,  Cheol-Hui Ryu ,  Eun-Young Choi ,  Sok-Kyu Lee

IPC分类号： H03M13/00

CPC分类号： H03M13/116 ,  H03M13/1137 ,  H03M13/1185 ,  H03M13/1188 ,  H03M13/6516

摘要： Provided is an apparatus and method for decoding a Low Density Parity Check (LDPC) code based on prototype parity check matrixes. The apparatus, includes: a parity check matrix selecting means for determining multiple prototype parity check matrixes according to a sub-matrix size and a parallelization figure for processing the parity check matrix; a bit input means for receiving a log likelihood probability value for input bit according to the sub-matrix size and the parallelization figure; a check matrix process means for sequentially performing a partial parallel process on the parity check matrix based on the received log likelihood probability value and the determined multiple prototype parity check matrixes; and a bit process means for determining a bit level based on the partial-parallel processed parity check matrix value and recovering the input bit according to the sub-matrix size and the parallelization figure.

摘要翻译： 提供了一种基于原型奇偶校验矩阵对低密度奇偶校验（LDPC）码进行解码的装置和方法。 该装置包括：奇偶校验矩阵选择装置，用于根据子矩阵大小确定多个原型奇偶校验矩阵;以及用于处理奇偶校验矩阵的并行化图; 用于根据子矩阵大小和并行化图形接收输入比特的对数似然概率值的位输入装置; 校验矩阵处理装置，用于基于所接收的对数似然概率值和所确定的多原型奇偶校验矩阵，顺序对奇偶校验矩阵执行部分并行处理; 以及位处理装置，用于基于部分并行处理的奇偶校验矩阵值确定位电平，并根据子矩阵大小和并行化图形恢复输入位。

公开(公告)号：US08873487B2

公开(公告)日：2014-10-28

申请号：US13391904

申请日：2010-08-24

申请人： Yun-Joo Kim ,  Jong-Ee Oh ,  Sok-Kyu Lee

发明人： Yun-Joo Kim ,  Jong-Ee Oh ,  Sok-Kyu Lee

IPC分类号： H04W4/00 ,  H04L5/00 ,  H04W72/04 ,  H04W84/12

CPC分类号： H04W72/046 ,  H04L5/0037 ,  H04W84/12

摘要： The present invention relate to a wireless communication system; and, more particularly, to a communicating apparatus and method in a high rate wireless communication system.A transmitting method of data in accordance with an embodiment of the present invention, as a transmitting method of data in a high rate wireless communication system, includes: allocating one or more bands among two or more multi-bands to each of users; and simultaneously transmitting data through the allocated bands to two or more users by using the multiple antennas for the allocated respective bands.

摘要翻译： 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，涉及一种高速率无线通信系统中的通信装置和方法。 作为高速率无线通信系统中的数据的发送方法的本发明的一个实施方式的发送数据的发送方法，包括：在两个以上的多个频带中分配一个以上的频带; 并且通过使用分配的各个频带的多个天线同时将数据通过所分配的频带发送到两个或多个用户。

公开(公告)号：US20110274065A1

公开(公告)日：2011-11-10

申请号：US13104630

申请日：2011-05-10

申请人： Jong-Ee Oh ,  Sok-Kyu Lee

发明人： Jong-Ee Oh ,  Sok-Kyu Lee

IPC分类号： H04W72/04

CPC分类号： H04W72/121 ,  H04W8/26 ,  H04W72/0453

摘要： Provided is a method for transmitting data frames to multiple STAs in a wireless communication system which divides a frequency band into frequency band segments to allocate. The method includes: setting a group by grouping a plurality of STAs; determining whether or not to separately allocate the frequency band segments to the STAs within the group; constructing a control frame containing a segment field, based on the determination result; and transmitting the constructed control frame through a common signal, and transmitting data frames.

摘要翻译： 提供了一种在将频带划分成频带段以分配的无线通信系统中将数据帧发送到多个STA的方法。 该方法包括：通过分组多个STA来设置组; 确定是否将所述频带段分别分配给所述组内的STA; 基于确定结果构建包含段字段的控制帧; 并通过公共信号发送构成的控制帧，并发送数据帧。

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：US08605595B2

公开(公告)日：2013-12-10

申请号：US12688048

申请日：2010-01-15

申请人： Yun-Joo Kim ,  Jong-Ee Oh ,  Sok-Kyu Lee

发明人： Yun-Joo Kim ,  Jong-Ee Oh ,  Sok-Kyu Lee

IPC分类号： H04L12/28

CPC分类号： H04W76/15 ,  H04W28/24 ,  H04W84/12

摘要： A data receiving method in a wireless LAN system using multiple channels includes: determining whether a difference value of signal levels of first and second access points is equal to or less than a preset value; transmitting an association request frame to the first and second access points according to the determination result; and receiving association response frames from the first and second access points.

摘要翻译： 在使用多个通道的无线LAN系统中的数据接收方法包括：确定第一和第二接入点的信号电平的差值是否等于或小于预设值; 根据确定结果向第一和第二接入点发送关联请求帧; 以及从所述第一和第二接入点接收关联响应帧。

公开(公告)号：US08873461B2

公开(公告)日：2014-10-28

申请号：US13025950

申请日：2011-02-11

申请人： Yun-Joo Kim ,  Jong-Ee Oh ,  Sok-Kyu Lee

发明人： Yun-Joo Kim ,  Jong-Ee Oh ,  Sok-Kyu Lee

IPC分类号： H04W80/04 ,  H04W88/06 ,  H04W88/08 ,  H04W28/06

CPC分类号： H04W28/065

摘要： A method for simultaneously transmitting packets having different lengths to two or more users in a wireless communication system includes: generating the packets which are to be transmitted to the respective users; and simultaneously transmitting the generated packets to the respective users. Each of the packets contains information on the position of a symbol to which a tail field of the packet belongs, and the information on the position of the symbol to which the tail field belongs includes at least one of the maximum symbol number of the packet, the symbol number of transmission data of the packet, positional information of a last aggregated MAC protocol data unit (A-MPDU) subframe, and positional information of a null delimiter.

摘要翻译： 一种用于在无线通信系统中同时向两个或多个用户发送具有不同长度的分组的方法包括：生成要发送给各个用户的分组; 同时将生成的分组发送给各个用户。 每个分组包含关于分组的尾部字段所属的符号的位置的信息，并且关于尾部字段所属的符号的位置的信息包括分组的最大符号号中的至少一个， 分组的发送数据的符号数，最后聚合的MAC协议数据单元（A-MPDU）子帧的位置信息和空分隔符的位置信息。

公开(公告)号：US08638739B2

公开(公告)日：2014-01-28

申请号：US13104630

申请日：2011-05-10

申请人： Jong-Ee Oh ,  Sok-Kyu Lee

发明人： Jong-Ee Oh ,  Sok-Kyu Lee

IPC分类号： H04W4/00

CPC分类号： H04W72/121 ,  H04W8/26 ,  H04W72/0453

摘要： Provided is a method for transmitting data frames to multiple STAs in a wireless communication system which divides a frequency band into frequency band segments to allocate. The method includes: setting a group by grouping a plurality of STAs; determining whether or not to separately allocate the frequency band segments to the STAs within the group; constructing a control frame containing a segment field, based on the determination result; and transmitting the constructed control frame through a common signal, and transmitting data frames.

摘要翻译： 提供了一种在将频带划分成频带段以分配的无线通信系统中将数据帧发送到多个STA的方法。 该方法包括：通过分组多个STA来设置组; 确定是否将所述频带段分别分配给所述组内的STA; 基于确定结果构建包含段字段的控制帧; 并通过公共信号发送构成的控制帧，并发送数据帧。

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：US20120155424A1

公开(公告)日：2012-06-21

申请号：US13391904

申请日：2010-08-24

申请人： Yun-Joo Kim ,  Jong-Ee Oh ,  Sok-Kyu Lee

发明人： Yun-Joo Kim ,  Jong-Ee Oh ,  Sok-Kyu Lee

IPC分类号： H04W72/04 ,  H04W56/00

CPC分类号： H04W72/046 ,  H04L5/0037 ,  H04W84/12

摘要： The present invention relate to a wireless communication system; and, more particularly, to a communicating apparatus and method in a high rate wireless communication system.A transmitting method of data in accordance with an embodiment of the present invention, as a transmitting method of data in a high rate wireless communication system, includes: allocating one or more bands among two or more multi-bands to each of users; and simultaneously transmitting data through the allocated bands to two or more users by using the multiple antennas for the allocated respective bands.

摘要翻译： 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，涉及一种在高速率无线通信系统中的通信装置和方法。 作为高速率无线通信系统中的数据的发送方法的本发明的一个实施方式的发送数据的发送方法，包括：在两个以上的多个频带中分配一个以上的频带; 并且通过使用分配的各个频带的多个天线同时将数据通过所分配的频带发送到两个或多个用户。

公开(公告)号：US20110199971A1

公开(公告)日：2011-08-18

申请号：US13025950

申请日：2011-02-11

申请人： Yun-Joo Kim ,  Jong-Ee Oh ,  Sok-Kyu Lee

发明人： Yun-Joo Kim ,  Jong-Ee Oh ,  Sok-Kyu Lee

IPC分类号： H04W4/00

CPC分类号： H04W28/065

摘要： A method for simultaneously transmitting packets having different lengths to two or more users in a wireless communication system includes: generating the packets which are to be transmitted to the respective users; and simultaneously transmitting the generated packets to the respective users. Each of the packets contains information on the position of a symbol to which a tail field of the packet belongs, and the information on the position of the symbol to which the tail field belongs includes at least one of the maximum symbol number of the packet, the symbol number of transmission data of the packet, positional information of a last aggregated MAC protocol data unit (A-MPDU) subframe, and positional information of a null delimiter.

摘要翻译： 一种用于在无线通信系统中同时向两个或多个用户发送具有不同长度的分组的方法包括：生成要发送给各个用户的分组; 同时将生成的分组发送给各个用户。 每个分组包含关于分组的尾部字段所属的符号的位置的信息，并且关于尾部字段所属的符号的位置的信息包括分组的最大符号号中的至少一个， 分组的发送数据的符号数，最后聚合的MAC协议数据单元（A-MPDU）子帧的位置信息和空分隔符的位置信息。