METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING WIRELESSLY PROVIDING HIGH CAPACITY SERVICE USING MULTIPLE ACCESS LINKS
    1.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING WIRELESSLY PROVIDING HIGH CAPACITY SERVICE USING MULTIPLE ACCESS LINKS 有权
    使用多个访问链接无线传输和接收高容量服务的方法和装置

    公开(公告)号:US20100177656A1

    公开(公告)日:2010-07-15

    申请号:US12688048

    申请日:2010-01-15

    IPC分类号: H04L12/26 H04W40/00

    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。

    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA IN A MIMO SYSTEM
    2.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA IN A MIMO SYSTEM 有权
    用于在MIMO系统中发送和接收数据的方法和装置

    公开(公告)号:US20120213305A1

    公开(公告)日:2012-08-23

    申请号:US13434681

    申请日:2012-03-29

    IPC分类号: H04B7/02

    摘要: The present invention relates to a method and apparatus for transmitting and receiving data. A data transmission method from a sender terminal to a receiver terminal in a MIMO system using a variable frequency band according to one embodiment of the present invention comprises: repeatedly generating a signal field depending on a frequency band that is applied to the transmission of a data frame; generating a data field including the data; generating a data frame including the signal field and the data field; and transmitting the data frame to the receiver terminal. The present invention is advantageous in that a signal field which is transmitted together with the data being transmitted from the sender terminal to the receiver terminal in the MIMO system can be sent more efficiently.

    摘要翻译: 本发明涉及用于发送和接收数据的方法和装置。 根据本发明的一个实施例的使用可变频带的MIMO系统中的从发送者终端到接收终端的数据传输方法包括:根据应用于数据传输的频带重复产生信号场 帧; 生成包括数据的数据字段; 生成包括信号字段和数据字段的数据帧; 并将数据帧发送到接收机终端。 本发明的优点在于,能够更有效地发送与MIMO系统中的发送方终端发送到接收终端的数据一起发送的信号场。

    APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING DATA IN COMMUNICATION SYSTEM
    3.
    发明申请
    APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING DATA IN COMMUNICATION SYSTEM 有权
    用于在通信系统中发送/接收数据的装置和方法

    公开(公告)号:US20120106575A1

    公开(公告)日:2012-05-03

    申请号:US13283497

    申请日:2011-10-27

    IPC分类号: H04J3/24

    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。

    SWITCHING APPARATUS AND METHOD FOR WIRELESS COMMUNICATION SYSTEM
    4.
    发明申请
    SWITCHING APPARATUS AND METHOD FOR WIRELESS COMMUNICATION SYSTEM 有权
    无线通信系统的切换设备和方法

    公开(公告)号:US20110150054A1

    公开(公告)日:2011-06-23

    申请号:US12971548

    申请日:2010-12-17

    IPC分类号: H04B1/38

    摘要: A switching apparatus in a wireless communication system using multi-channels includes: a first antenna unit configured to transmit and receive data of a first multi-channel among the multi-channels; a second antenna unit configured to transmit and receive data of a second multi-channel among the multi-channels; a first transceiver configured to receive the data from the first antenna unit and transmit the data to the first transceiver; and a selection unit configured to transmit an output of the second antenna unit to the first transceiver.

    摘要翻译: 在使用多信道的无线通信系统中的切换装置包括:第一天线单元,被配置为在多个信道中发送和接收第一多信道的数据; 第二天线单元,被配置为在所述多声道中发送和接收第二多声道的数据; 第一收发器,被配置为从所述第一天线单元接收所述数据并将所述数据发送到所述第一收发器; 以及选择单元,被配置为将所述第二天线单元的输出发送到所述第一收发器。

    MULTI-DIMENSIONAL DETECTOR FOR RECEIVER OF MIMO SYSTEM
    5.
    发明申请
    MULTI-DIMENSIONAL DETECTOR FOR RECEIVER OF MIMO SYSTEM 失效
    用于MIMO系统接收机的多维检测器

    公开(公告)号:US20090154604A1

    公开(公告)日:2009-06-18

    申请号:US12178150

    申请日:2008-07-23

    IPC分类号: H04L27/06

    摘要: Provided are a multi-dimensional detector for a receiver of an MIMO system and a method thereof. The multi-dimensional detector includes a first symbol detecting unit for calculating symbol distance values using an upper triangular matrix (R) obtained from QR decomposition to detect an mth symbol; a symbol deciding unit for deciding a symbol having a minimum distance value among the calculated symbol distance values from the first symbol detecting unit; and a second symbol detecting unit for calculating symbol distance values using an updated received signal y and the upper triangular matrix R to detect a (m−1)th symbol.

    摘要翻译: 提供了一种用于MIMO系统的接收机的多维检测器及其方法。 多维检测器包括:第一符号检测单元,用于使用从QR分解获得的上三角矩阵(R)来计算符号距离值以检测第m个符号; 符号判定单元,用于从所述第一符号检测单元确定所计算的符号距离值中具有最小距离值的符号; 以及第二符号检测单元,用于使用更新的接收信号y和上三角矩阵R来计算符号距离值以检测第(m-1)个符号。

    METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING DATA IN WIRELESS COMMUNICATION SYSTEM
    6.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING DATA IN WIRELESS COMMUNICATION SYSTEM 有权
    用于在无线通信系统中发送/接收数据的方法和装置

    公开(公告)号:US20110206156A1

    公开(公告)日:2011-08-25

    申请号:US13033202

    申请日:2011-02-23

    IPC分类号: H04L27/18

    CPC分类号: H04L27/18 H04L27/0008

    摘要: A method for transmitting, by a transmitting terminal, data to a receiving terminal in a wireless communication system includes: generating a first detection field including symbols modulated by using a BPSK data tone; generating a second detection field including symbols modulated such that an even numbered subcarrier and an odd numbered subcarrier have a phase difference of 90 degrees; generating a data packet including the first detection field, the second detection field, and the data; and transmitting the data packet.

    摘要翻译: 一种在无线通信系统中由发送终端向接收终端发送数据的方法包括:生成包括通过使用BPSK数据音调调制的符号的第一检测字段; 产生包括被调制的符号的第二检测场,使得偶数副载波和奇数副载波具有90度的相位差; 生成包括第一检测区域,第二检测区域和数据的数据分组; 并发送数据包。

    METHOD FOR PRODUCING PARITY CHECK MATRIX FOR LOW COMPLEXITY AND HIGH SPEED DECODING, AND APPARATUS AND METHOD FOR CODING LOW DENSITY PARITY CHECK CODE USING THE SAME
    7.
    发明申请
    METHOD FOR PRODUCING PARITY CHECK MATRIX FOR LOW COMPLEXITY AND HIGH SPEED DECODING, AND APPARATUS AND METHOD FOR CODING LOW DENSITY PARITY CHECK CODE USING THE SAME 失效
    用于生产用于低复杂度和高速解码的奇偶校验矩阵的方法,以及用于编码低密度奇偶校验码的装置和方法

    公开(公告)号:US20090158112A1

    公开(公告)日:2009-06-18

    申请号:US12113638

    申请日:2008-05-01

    IPC分类号: H03M13/11 G06F11/10

    摘要: Provided are a method for producing a parity check matrix for low complexity and high speed decoding, and an apparatus and method for coding a Low Density Parity Check (LDPC) code using the same. The method includes: calculating a cyclic shift value of a subblock to a matrix; and when the calculated cyclic shift values of the subblock are arrayed in the matrix, producing a parity check matrix by arraying the cyclic shift values of the subblock except ‘0 matrix’ without duplication to any one column.

    摘要翻译: 提供了一种用于产生用于低复杂度和高速解码的奇偶校验矩阵的方法,以及用于使用其编码低密度奇偶校验(LDPC)码的装置和方法。 该方法包括:将子块的循环移位值计算到矩阵; 并且当将所计算的子块的循环移位值排列在矩阵中时,通过将除“0矩阵”之外的子块的循环移位值排列成任何一列,从而产生奇偶校验矩阵。

    APPARATUS AND METHOD FOR CODING QC-LDPC CODE
    8.
    发明申请
    APPARATUS AND METHOD FOR CODING QC-LDPC CODE 审中-公开
    用于编码QC-LDPC码的设备和方法

    公开(公告)号:US20100162074A1

    公开(公告)日:2010-06-24

    申请号:US12642463

    申请日:2009-12-18

    IPC分类号: H03M13/05 G06F11/10

    摘要: A high-speed quasi-cyclic low density parity check (QC-LDPC) coding apparatus for coding inputted information into a generator matrix having a dual diagonal matrix format includes: a parity bit generation unit configured to generate an arbitrary parity bit; a temporary parity bit generation unit configured to constitute the inputted information with circulants, and shift and combine the respective circulants at each row to generate a temporary parity bit; a corrected bit generation unit configured to generate corrected bits of parity bits by using an output of the temporary parity bit generation unit; and a parity bit correction unit configured to correct the temporary parity bit by reflecting an output of the corrected bit generation unit to the output of the temporary parity bit generation unit.

    摘要翻译: 用于将输入的信息编码成具有双对角矩阵格式的生成矩阵的高速准循环低密度奇偶校验(QC-LDPC)编码装置包括:奇偶校验位生成单元,被配置为生成任意奇偶校验位; 临时奇偶校验位生成单元,被配置为构成具有循环的输入信息,并且移位并组合各行的各个循环以产生临时奇偶校验位; 校正位生成单元,其通过使用所述临时奇偶校验位生成单元的输出来生成校正位的校验位; 以及奇偶校验位校正单元,被配置为通过将校正的位生成单元的输出反映到临时奇偶校验位产生单元的输出来校正临时奇偶校验位。

    APPARATUS AND METHOD FOR UPDATING CHECK NODE OF LOW DENSITY PARITY CHECK CODE
    9.
    发明申请
    APPARATUS AND METHOD FOR UPDATING CHECK NODE OF LOW DENSITY PARITY CHECK CODE 审中-公开
    检查低密度特征检查代码的装置和方法

    公开(公告)号:US20090164540A1

    公开(公告)日:2009-06-25

    申请号:US12146195

    申请日:2008-06-25

    IPC分类号: G06F7/38

    摘要: Provided is an apparatus and method for updating a check node of a LDPC code at a high speed. The apparatus includes: a minimum value calculating unit for calculating a first minimum value of an input bit by sequentially calculating each bit of the first minimum value, and calculating a second minimum value using the calculated first minimum value; a node minimum value calculating unit for performing row splitting the calculated first and second minimum values by a check node and calculating a first minimum value and a second minimum value of each of the row-split nodes; and a minimum value deciding unit for deciding one of the calculated first and second minimum values of each of the row-split nodes as a minimum value corresponding to each degree of the input bit.

    摘要翻译: 提供了一种用于以高速更新LDPC码的校验节点的装置和方法。 该装置包括:最小值计算单元,用于通过顺序地计算第一最小值的每个位,并使用所计算的第一最小值来计算第二最小值来计算输入比特的第一最小值; 节点最小值计算单元,用于通过校验节点执行行分解所计算的第一和第二最小值,并计算每个行分割节点的第一最小值和第二最小值; 以及最小值确定单元,用于将每个行分割节点的所计算的第一和第二最小值中的一个确定为与每个输入比特的度相对应的最小值。

    APPARATUS AND METHOD FOR DECODING LDPC CODE BASED ON PROTOTYPE PARITY CHECK MATRIXES
    10.
    发明申请
    APPARATUS AND METHOD FOR DECODING LDPC CODE BASED ON PROTOTYPE PARITY CHECK MATRIXES 失效
    基于原型奇偶校验矩阵来解码LDPC码的装置和方法

    公开(公告)号:US20090158121A1

    公开(公告)日:2009-06-18

    申请号:US12166866

    申请日:2008-07-02

    IPC分类号: H03M13/05 G06F11/07

    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。