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1. 发明申请

US20090135947A1 METHOD OF SELECTING CANDIDATE VECTOR AND METHOD OF DETECTING TRANSMISSION SYMBOL 有权
标题翻译：选择候选矢量的方法和检测传输符号的方法
公开(公告)号：US20090135947A1
公开(公告)日：2009-05-28
申请号：US12141539
申请日：2008-06-18
申请人： Seung Jae BAHNG , Jae Kwon KIM , Hoon HEO , Hyun Myung WU , Youn Ok PARK , Young Jo BANG , Hyeong Sook PARK , Hoon LEE , Young Ha LEE , Jung Pil CHOI
发明人： Seung Jae BAHNG , Jae Kwon KIM , Hoon HEO , Hyun Myung WU , Youn Ok PARK , Young Jo BANG , Hyeong Sook PARK , Hoon LEE , Young Ha LEE , Jung Pil CHOI
IPC分类号： H04L27/00
CPC分类号： H04L25/067 , H04L25/03203 , H04L2025/03426
摘要： The present invention relates to a method of detecting a candidate vector and a method of detecting a transmission symbol using the same. According to an embodiment of the present invention, in a multiple input multiple output (MIMO) system using spatial multiplexing (SM), a receiver selects candidate vectors corresponding to a layer located at a last row among a plurality of rearranged layers, and sequentially ranks constellation dots of a next layer for each of the selected candidate vectors. Then, a plurality of arbitrary constellation dots are selected from the ranked constellation dots, accumulated costs of the arbitrary constellation dots are calculated, and a candidate vector is selected in correspondence with a constellation dot having a minimal accumulated cost. Then, a new arbitrary constellation dot is selected in place of the constellation dot selected as the candidate vector, an accumulated cost of the selected arbitrary constellation dot is compared with accumulated costs of the other arbitrary constellation dots, and another candidate vector is selected.
摘要翻译：本发明涉及检测候选向量的方法和使用其的发送符号的检测方法。根据本发明的实施例，在使用空间复用（SM）的多输入多输出（MIMO）系统中，接收机选择与多个重排层中位于最后一行的层相对应的候选向量，并且顺次排列每个所选候选向量的下一层的星座点。然后，从分级星座点中选择多个任意星座点，计算任意星座点的累积成本，并且与具有最小累积成本的星座点对应地选择候选矢量。然后，代替选择为候选矢量的星座点，选择新的任意星座点，将所选择的任意星座点的累积成本与其他任意星座点的累积成本进行比较，并选择另一候选矢量。

2. 发明申请

US20090052593A1 LOG LIKELIHOOD RATIO CALCULATION METHOD, TRANSMIT SIGNAL DETECTION METHOD, AND RECEIVER 有权
标题翻译：日志比例计算方法，发送信号检测方法和接收器
公开(公告)号：US20090052593A1
公开(公告)日：2009-02-26
申请号：US12142600
申请日：2008-06-19
申请人： Seung Jae BAHNG , Chang Wahn YU , Young Jo BANG , Dae Ho KIM , Young Ha LEE , Youn Ok PARK
发明人： Seung Jae BAHNG , Chang Wahn YU , Young Jo BANG , Dae Ho KIM , Young Ha LEE , Youn Ok PARK
IPC分类号： H04L27/06
CPC分类号： H04L25/03318 , H04L25/0204 , H04L25/0246 , H04L25/067
摘要： The present invention relates to a log-likelihood ratio calculation method, a transmitting signal detection method, and a receiver. The present invention estimates a channel on the basis of the received signal and rearranges a plurality of layers. Further, at the time of rearrangement of the layers, a symbol of a layer having the lowest reliability is considered for every constellation dot, and the successive interference for the remaining layers is removed corresponding to the constellation dots of the layer having the lowest reliability to set the transmitting symbol candidate vector. Furthermore, a log-likelihood ratio for every bit of the plurality of layers is calculated using the transmitting symbol candidate vector to decode the channel.
摘要翻译：本发明涉及对数似然比计算方法，发送信号检测方法和接收机。本发明基于接收到的信号来估计信道并重排多个层。此外，在层的重排时，对于每个星座点考虑具有最低可靠性的层的符号，并且对应于具有最低可靠性的层的星座点去除对剩余层的连续干扰，设置发送符号候选向量。此外，使用发送符号候选向量计算多个层中的每一比特的对数似然比，以解码该信道。

3. 发明申请

US20090157787A1 ROW-VECTOR NORM COMPARISON METHOD AND ROW-VECTOR NORM COMPARISON APPARATUS FOR INVERSE MATRIX 有权
标题翻译：反向矩阵的向量正交对比方法和向量向量正比较器
公开(公告)号：US20090157787A1
公开(公告)日：2009-06-18
申请号：US12165209
申请日：2008-06-30
申请人： Young Ha LEE , Seung Jae BAHNG , Youn-Ok PARK
发明人： Young Ha LEE , Seung Jae BAHNG , Youn-Ok PARK
IPC分类号： G06F17/16
CPC分类号： G06F17/16
摘要： Disclosed are a row-vector norm comparison method and a row-vector norm comparison apparatus for an inverse matrix. A row-vector norm comparison apparatus includes: an input matrix processing module that receives and combines constituent elements of a matrix; a cofactor operation module that multiplexes the combination result of the constituent elements to calculate factors constituting an adjoint matrix; a square calculation module that squares the calculated factors; a summation module that selects a predetermined number of factors among the squared factors and sums the selected factors to calculate the norms of row vectors in an inverse matrix; and a norm comparison module that outputs a comparison result of the calculated norms of the row vectors. A row-vector norm comparison method includes: combining constituent elements of a matrix to generates a plurality of combination results of the constituent elements; multiplexing the combination results to calculate factors constituting an adjoint matrix of the matrix; squaring the calculated factors and selectively summing the squared factors; and calculating the norms of row vectors in an inverse matrix and comparing the calculated norms of the row vectors. With this configuration, row-vector norm comparison for an inverse matrix can be performed with a design structure. Therefore, it is not necessary to use an existing complex operation method. In addition, low power consumption of the multiple antenna system can be achieved, and efficiency of the design structure can be improved.
摘要翻译：公开了用于逆矩阵的行向量范数比较方法和行向量范数比较装置。行向量范数比较装置包括：输入矩阵处理模块，其接收并组合矩阵的组成元素; 辅助因子操作模块，其将所述组成元素的组合结果复用以计算构成伴随矩阵的因子; 平方计算模块，对计算的因子进行平方; 求和模块，其选择平方因子中的预定数量的因子，并且对所选择的因子进行求和以计算逆向矩阵中的行向量的范数; 以及范数比较模块，其输出所计算的行向量范围的比较结果。行向量范数比较方法包括：组合矩阵的组成元素以生成组成元素的多个组合结果; 将组合结果复用以计算构成矩阵的伴随矩阵的因子; 平均计算因子并选择性求和平方因子; 以及计算逆矩阵中的行向量的范数并比较所计算的行向量的范数。利用这种配置，可以用设计结构来执行逆矩阵的行向量范数比较。因此，不需要使用现有的复杂操作方法。此外，可以实现多天线系统的低功耗，并且可以提高设计结构的效率。

4. 发明申请

US20090147887A1 METHOD OF CALCULATING SOFT VALUE AND METHOD OF DETECTING TRANSMISSION SIGNAL 有权
标题翻译：计算软值的方法和检测传输信号的方法
公开(公告)号：US20090147887A1
公开(公告)日：2009-06-11
申请号：US12141673
申请日：2008-06-18
申请人： Seung Jae BAHNG , Jung Pil CHOI , Youn Ok PARK
发明人： Seung Jae BAHNG , Jung Pil CHOI , Youn Ok PARK
IPC分类号： H04L27/06
CPC分类号： H04L25/067 , H04L25/03006 , H04L2025/03426
摘要： The present invention relates to a method of calculating a soft value and a method of detecting a transmission signal. The present invention estimates a channel on the basis of a received signal and rearranges a plurality of data streams. Further, a plurality of substitute vectors are selected from the rearranged data streams and a metric corresponding to each of the substitute vector is calculated. Further, a threshold value is calculated from a metric calculated for each of the substitute vectors and a soft value of each bit of a transmission signal is calculated from the metric and threshold value corresponding to each of the substitute vectors.
摘要翻译：本发明涉及计算软值的方法和检测发送信号的方法。本发明基于接收到的信号估计信道并重新排列多个数据流。此外，从重新布置的数据流中选择多个替代矢量，并且计算与每个替代矢量对应的度量。此外，根据针对每个替代矢量计算的度量来计算阈值，并且从与每个替代矢量对应的度量和阈值计算发送信号的每个比特的软值。

5. 发明申请

US20090147894A1 METHOD FOR DETECTING TRANSMISSION SYMBOLS IN MULTIPLE ANTENNA SYSTEM 有权
标题翻译：用于检测多个天线系统中的传输符号的方法
公开(公告)号：US20090147894A1
公开(公告)日：2009-06-11
申请号：US12127342
申请日：2008-05-27
申请人： Young Jo BANG , Chang Wahn YU , Seung Jae BAHNG , Dae Ho KIM , Youn Ok PARK , Jee Hwan AHN , Il Min KIM
发明人： Young Jo BANG , Chang Wahn YU , Seung Jae BAHNG , Dae Ho KIM , Youn Ok PARK , Jee Hwan AHN , Il Min KIM
IPC分类号： H04B1/10
CPC分类号： H04B7/0413 , H04B7/0854
摘要： The present invention relates to a transmission symbol detection method in a multiple antenna system. In the present invention, when a channel matrix is estimated through channel estimation, a receiving side calculates a Q matrix and an R matrix through QR decomposition that is more simplified than a typical QR decomposition from an augmented channel matrix that includes the estimated channel matrix. In addition, the receiving side detects symbols having the minimum Euclidean metric by using the two matrixes, as transmission symbols.
摘要翻译：本发明涉及多天线系统中的发射符号检测方法。在本发明中，当通过信道估计来估计信道矩阵时，接收侧通过QR分解来计算Q矩阵和R矩阵，其比来自包括估计信道矩阵的增强信道矩阵的典型QR分解更简化。此外，接收端通过使用两个矩阵来检测具有最小欧几里德量度的符号作为发送符号。

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