公开(公告)号：US20070121746A1

公开(公告)日：2007-05-31

申请号：US11605070

申请日：2006-11-28

申请人： Myeon-Kyun Cho ,  Jong-Hyeuk Lee ,  Jong-Hyung Kwun ,  Woo-Hyun Seo ,  Daesik Hong

发明人： Myeon-Kyun Cho ,  Jong-Hyeuk Lee ,  Jong-Hyung Kwun ,  Woo-Hyun Seo ,  Daesik Hong

IPC分类号： H04K1/10

CPC分类号： H04L27/2608 ,  H04L5/023

摘要： A low-complexity dynamic channel allocation apparatus and method in a multi-carrier communication system are provided. In the low-complexity dynamic channel allocation method, subcarriers are initially allocated to total users and two users are selected from among all possible cases of two users out of the total users. The power gain of each of the subcarriers initially allocated to the selected two users is calculated, which can be generated by reallocating each subcarrier to the other user through subcarrier swapping. The power gains of the initially allocated subcarriers are ordered for each of the selected users and a pair of subcarriers with the greatest power gains for the two users are selected. Subcarriers are reallocated to the two users by swapping the selected subcarriers between the two users.

摘要翻译： 提供了一种多载波通信系统中的低复杂度动态信道分配装置和方法。 在低复杂度动态信道分配方法中，初始分配副载波到总用户，并且从总用户中的两个用户的所有可能情况中选择两个用户。 计算最初分配给所选择的两个用户的每个子载波的功率增益，其可以通过通过子载波交换将每个子载波重新分配给另一个用户而产生。 为每个所选择的用户排序初始分配的子载波的功率增益，并且选择两个用户具有最大功率增益的一对子载波。 通过在两个用户之间交换所选择的子载波来将子载波重新分配给两个用户。

公开(公告)号：US20070041348A1

公开(公告)日：2007-02-22

申请号：US11493449

申请日：2006-07-26

申请人： Jong-Hyung Kwun ,  Eung-Sun Kim ,  Myeon-Kyun Cho ,  Jong-Hyeuk Lee ,  Hyun-Kyu Yu ,  Daesik Hong

发明人： Jong-Hyung Kwun ,  Eung-Sun Kim ,  Myeon-Kyun Cho ,  Jong-Hyeuk Lee ,  Hyun-Kyu Yu ,  Daesik Hong

IPC分类号： H04B7/216

CPC分类号： H04L27/2657 ,  H04B1/70735 ,  H04J11/0069 ,  H04L5/0017 ,  H04L5/0048 ,  H04L25/03866 ,  H04L27/2613

摘要： Disclosed is transmitting/receiving apparatus and method for efficient cell search in a broadband wireless communication system using multiple carriers. The apparatus includes a BS generating an SCH signal by mapping predetermined symbols to predetermined subcarriers according to a code group to which the BS belongs, code-multiplexing a TCH signal and a pilot channel signal mapped to a predetermined time-frequency area and scrambling the code-multiplexed signal with a predetermined scrambling code identifying the BS along a time axis first, time-multiplexing the SCH signal with the scrambled signal, OFDM-modulating the time-multiplexed signal, and transmitting the OFDM-modulated signal.

摘要翻译： 公开了在使用多个载波的宽带无线通信系统中用于高效小区搜索的发射/接收装置和方法。 该装置包括通过根据BS所属的代码组将预定符号映射到预定的子载波来生成SCH信号的BS，对TCH信号进行码复用和映射到预定的时频区域的导频信道信号， 首先确定沿着时间轴的BS的预定扰频码的多路复用信号，用加扰信号对SCH信号进行时分多路复用，对时间复用信号进行OFDM调制，以及发送OFDM调制信号。

公开(公告)号：US20070258528A1

公开(公告)日：2007-11-08

申请号：US11787433

申请日：2007-04-16

申请人： Jong-Hyung Kwun ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Uj-Kun Kwon ,  Gi-Hong Im ,  Jung-Hun Ryu

发明人： Jong-Hyung Kwun ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Uj-Kun Kwon ,  Gi-Hong Im ,  Jung-Hun Ryu

IPC分类号： H04L27/28 ,  H04L25/08 ,  H04L1/00

CPC分类号： H04L27/2623 ,  H04L27/2647

摘要： Provided are an apparatus for reducing clipping noise in a broadband wireless communication system in which a clipping method is used and a method thereof. The method includes, when clipped signals are received, decoding and equalizing the received signals to determine transmitted symbols, comparing the magnitudes of the amplitudes of the determined transmitted symbols with a predetermined reference value, and reconstructing signals using the amplitudes of the transmitted symbols and the phases of the received signals when it is determined that the magnitudes of the amplitudes of the transmitted symbols are greater than the reference value.

摘要翻译： 提供了一种用于在其中使用限幅方法的宽带无线通信系统中减少削波噪声的装置及其方法。 该方法包括：当接收到限幅信号时，对接收到的信号进行解码和均衡以确定发送的符号，将所确定的发送符号的幅度的大小与预定的参考值进行比较，以及使用所发送的符号的幅度和 当确定发送符号的幅度的大小大于参考值时，接收信号的相位。

公开(公告)号：US20060176993A1

公开(公告)日：2006-08-10

申请号：US11346698

申请日：2006-02-03

申请人： Jong-Hyung Kwun ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Dae-Sik Hong ,  Eun-Seok Ko

发明人： Jong-Hyung Kwun ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Dae-Sik Hong ,  Eun-Seok Ko

IPC分类号： H04L7/00

CPC分类号： H04L1/0618 ,  H04B7/0417 ,  H04B7/061 ,  H04B7/0626 ,  H04B7/0691

摘要： A signal transmission method for a multiple input multiple output (MIMO) communication system. A transmitter having a plurality of transmission antennas receives antenna selection information from a receiver having at least one reception antenna. The transmitter selects at least two transmission antennas based on the antenna selection information, beamforms space-time block coding (STBC)-coded input signals with a weighting matrix, and transmits the beamformed signals via the selected transmission antennas. The antenna selection information is generated based on exact channel characteristics and statistical channel characteristics for the transmission antennas and a spatial correlation between the transmission antennas.

摘要翻译： 一种用于多输入多输出（MIMO）通信系统的信号传输方法。 具有多个发送天线的发射机从具有至少一个接收天线的接收机接收天线选择信息。 发射机基于天线选择信息来选择至少两个发射天线，波束形成具有加权矩阵的时空块编码（STBC）编码的输入信号，并且经由所选择的发射天线发射波束形成的信号。 天线选择信息是基于发射天线的精确信道特性和统计信道特性以及发射天线之间的空间相关来产生的。

公开(公告)号：US08005031B2

公开(公告)日：2011-08-23

申请号：US11649168

申请日：2007-01-03

申请人： Tae-Won Yune ,  Jong-Hyeuk Lee ,  Gi-Hong Im ,  Eung-Sun Kim ,  Jong-Hyung Kwun

发明人： Tae-Won Yune ,  Jong-Hyeuk Lee ,  Gi-Hong Im ,  Eung-Sun Kim ,  Jong-Hyung Kwun

IPC分类号： H04B7/00

CPC分类号： H04L1/0618

摘要： A method and apparatus for transmitting and receiving a signal in a wireless communication system. The wireless communication system includes a transmitter with at least four transmit antennas and a receiver with at least one receive antenna. Space Frequency Block Coding (SFBC) processes are performed for input signals on a basis of two antenna pairs. Signal blocks whose number corresponds to the number of transmit antennas are output. A Space Time Block Coding (STBC) process is performed for the signal blocks generated according to the antenna pairs. Signals carried by single carriers are transmitted through the at least four transmit antennas mapped to the signal blocks.

摘要翻译： 一种用于在无线通信系统中发送和接收信号的方法和装置。 无线通信系统包括具有至少四个发射天线的发射机和具有至少一个接收天线的接收机。 对于基于两个天线对的输入信号执行空间频率块编码（SFBC）处理。 输出与发送天线数对应的信号块。 对根据天线对产生的信号块执行空时块编码（STBC）处理。 由单载波携带的信号通过映射到信号块的至少四个发射天线发射。

公开(公告)号：US07912146B2

公开(公告)日：2011-03-22

申请号：US11546667

申请日：2006-10-12

申请人： Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Jong-Hyung Kwun

发明人： Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Jong-Hyung Kwun

IPC分类号： H04L27/00

CPC分类号： H04L25/03159 ,  H04L1/0606 ,  H04L1/08

摘要： A method and apparatus for transmitting data in a communication system. In the apparatus, a repeater repeatedly processes an input signal a predetermined number of times. A Space-Frequency Block-Coded (SFBC) encoder performs SFBC coding on the repeatedly processed input signals, and outputs at least two signal blocks in parallel. A cyclic prefix (CP) inserter inserts a CP in the signal blocks and transmits the CP-inserted signal blocks via associated transmission antennas using a single carrier.

摘要翻译： 一种用于在通信系统中发送数据的方法和装置。 在该装置中，中继器重复地将输入信号处理预定次数。 空间频率块编码（SFBC）编码器对重复处理的输入信号执行SFBC编码，并且并行地输出至少两个信号块。 循环前缀（CP）插入器将CP插入信号块中，并使用单载波通过相关联的发送天线发送CP插入的信号块。

公开(公告)号：US07680200B2

公开(公告)日：2010-03-16

申请号：US11387415

申请日：2006-03-23

申请人： Jong-Hyung Kwun ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Gi-Hong Im ,  Hui-Chul Won ,  Jin-Ho Jang

发明人： Jong-Hyung Kwun ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Gi-Hong Im ,  Hui-Chul Won ,  Jin-Ho Jang

IPC分类号： H04K1/10

CPC分类号： H04L1/0606 ,  H04B7/06 ,  H04L25/03159

摘要： Disclosed is a transceiving apparatus and method in which a space frequency block coding (SFBC) technique is applied to the SC-FDE technique. The transceiving method encodes an input signal into frequency-domain blocks so as to output at least two signal blocks in parallel to each other, inserts a cyclic prefix (CP) into the output signal blocks, and outputs the signal blocks through the same sub-channel using a corresponding antenna.

摘要翻译： 公开了一种将空间频率块编码（SFBC）技术应用于SC-FDE技术的收发装置和方法。 收发方法将输入信号编码成频域块，以便彼此并行地输出至少两个信号块，将循环前缀（CP）插入到输出信号块中，并通过相同子帧输出信号块， 通道使用相应的天线。

公开(公告)号：US07586992B2

公开(公告)日：2009-09-08

申请号：US11335268

申请日：2006-01-19

申请人： Jong-Hyung Kwun ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Gi-Hong Im ,  Hui-Chul Won

发明人： Jong-Hyung Kwun ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Gi-Hong Im ,  Hui-Chul Won

IPC分类号： H04L1/02

CPC分类号： H04L1/0631 ,  H04L1/0048 ,  H04L1/005 ,  H04L25/0212 ,  H04L25/03006 ,  H04L27/2607 ,  H04L2025/03617

摘要： An apparatus and method for channel estimation and CP reconstruction in an OFDM-STBC mobile communication system are provided. An ISI canceller cancels ISI signal components from first and second received symbol sequences. A cyclicity restorer cancels ICI signal components from the ISI-cancelled first received symbol sequence and the ISI-cancelled second received symbol sequence. A recoverer acquires the recovered sequence estimates of the ICI-cancelled first received symbol sequence and the ICI-cancelled second received symbol sequence by decoding. The ICI cancellation of the ISI-cancelled first and second received symbol sequences and the ISI cancellation of the second received symbol sequence are iterated a predetermined number of times.

摘要翻译： 提供了一种在OFDM-STBC移动通信系统中用于信道估计和CP重构的装置和方法。 ISI消除器从第一和第二接收符号序列中取消ISI信号分量。 循环恢复器从ISI取消的第一接收符号序列和ISI取消的第二接收符号序列中取消ICI信号分量。 恢复器通过解码获取ICI取消的第一接收符号序列和ICI取消的第二接收符号序列的恢复序列估计。 ISI取消的第一和第二接收符号序列的ICI消除和第二接收符号序列的ISI消除被重复预定次数。

公开(公告)号：US20070098095A1

公开(公告)日：2007-05-03

申请号：US11546667

申请日：2006-10-12

申请人： Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Jong-Hyung Kwun

发明人： Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Jong-Hyung Kwun

IPC分类号： H04K1/10 ,  H04L27/36

CPC分类号： H04L25/03159 ,  H04L1/0606 ,  H04L1/08

摘要： A method and apparatus for transmitting data in a communication system. In the apparatus, a repeater repeatedly processes an input signal a predetermined number of times. A Space-Frequency Block-Coded (SFBC) encoder performs SFBC coding on the repeatedly processed input signals, and outputs at least two signal blocks in parallel. A cyclic prefix (CP) inserter inserts a CP in the signal blocks and transmits the CP-inserted signal blocks via associated transmission antennas using a single carrier.

摘要翻译： 一种用于在通信系统中发送数据的方法和装置。 在该装置中，中继器重复地将输入信号处理预定次数。 空间频率块编码（SFBC）编码器对重复处理的输入信号执行SFBC编码，并且并行地输出至少两个信号块。 循环前缀（CP）插入器将CP插入信号块中，并使用单载波通过相关联的发送天线发送CP插入的信号块。

公开(公告)号：US20060215541A1

公开(公告)日：2006-09-28

申请号：US11387415

申请日：2006-03-23

申请人： Jong-Hyung Kwun ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Gi-Hong Im ,  Hui-Chul Won ,  Jin-Ho Jang

发明人： Jong-Hyung Kwun ,  Eung-Sun Kim ,  Jong-Hyeuk Lee ,  Gi-Hong Im ,  Hui-Chul Won ,  Jin-Ho Jang

IPC分类号： H04J11/00

CPC分类号： H04L1/0606 ,  H04B7/06 ,  H04L25/03159

摘要： Disclosed is a transceiving apparatus and method in which a space frequency block coding (SFBC) technique is applied to the SC-FDE technique. The transceiving method encodes an input signal into frequency-domain blocks so as to output at least two signal blocks in parallel to each other, inserts a cyclic prefix (CP) into the output signal blocks, and outputs the signal blocks through the same sub-channel by means of corresponding antenna.

摘要翻译： 公开了一种将空间频率块编码（SFBC）技术应用于SC-FDE技术的收发装置和方法。 收发方法将输入信号编码成频域块，以便彼此并行地输出至少两个信号块，将循环前缀（CP）插入到输出信号块中，并通过相同子帧输出信号块， 通过相应的天线。