公开(公告)号：US08503564B2

公开(公告)日：2013-08-06

申请号：US12692202

申请日：2010-01-22

申请人： Bin Li ,  Yi Luo ,  Hui Shen

发明人： Bin Li ,  Yi Luo ,  Hui Shen

IPC分类号： H04B7/02 ,  H04L27/00

CPC分类号： H04B7/0639

摘要： A data transmission method, a communications system and related apparatuses are disclosed. The data transmission method includes the following steps: a transmitter obtains channel information corresponding to channels between the transmitter and several receivers; the transmitter obtains a control vector corresponding to a receiver according to the channel information; the transmitter modulates data to be transmitted by means of one-dimensional modulation to obtain modulated symbols; the transmitter processes the modulated symbols and the control vector to obtain transmitted data of each antenna; the transmitter transmits the transmitted data to the receiver; the receiver receives the transmitted data in a predetermined spatial direction of received symbol. The present invention also discloses a communications system and related apparatuses.

摘要翻译： 公开了一种数据传输方法，通信系统及相关装置。 数据传输方法包括以下步骤：发射机获取与发射机和多个接收机之间的信道相对应的信道信息; 发射机根据信道信息获得对应于接收机的控制向量; 发射机通过一维调制器调制要传输的数据，以获得调制符号; 发射机处理调制符号和控制矢量以获得每个天线的发射数据; 发射机将发送的数据发送到接收机; 接收机以接收到的符号的预定空间方向接收发送的数据。 本发明还公开了一种通信系统及相关装置。

公开(公告)号：US08995369B2

公开(公告)日：2015-03-31

申请号：US13529383

申请日：2012-06-21

申请人： Bin Li ,  Hui Shen ,  Yi Luo ,  Xiaodong Wang

发明人： Bin Li ,  Hui Shen ,  Yi Luo ,  Xiaodong Wang

IPC分类号： H04W4/00 ,  H04B7/06 ,  H04L1/00 ,  H04L25/02 ,  H04L5/00 ,  H04L25/03

CPC分类号： H04B7/0639 ,  H04B7/0626 ,  H04L1/0026 ,  H04L5/006 ,  H04L25/0204 ,  H04L2025/03802

摘要： Embodiments of the present invention provide a method for feeding back channel state information, and a method and a device for obtaining channel state information. The method for feeding back the channel state information includes: compressing, by a user equipment, original time domain channel state information to obtain compressed time domain channel state information; quantizing the compressed time domain channel state information to obtain a codebook index; and sending the codebook index to a base station. With the technical solutions provided by the embodiments of the present invention, the total overhead used for feeding back the channel state information from the user equipment to the base station is reduced.

摘要翻译： 本发明的实施例提供一种用于反馈信道状态信息的方法，以及用于获得信道状态信息的方法和装置。 用于反馈信道状态信息的方法包括：由用户设备压缩原始时域信道状态信息，以获得压缩的时域信道状态信息; 量化压缩的时域信道状态信息以获得码本索引; 并将码本索引发送到基站。 利用本发明实施例提供的技术方案，减少了从用户设备向基站反馈信道状态信息的总开销。

公开(公告)号：US20120250780A1

公开(公告)日：2012-10-04

申请号：US13525641

申请日：2012-06-18

申请人： Hui SHEN ,  Bin Li ,  Yi Luo

发明人： Hui SHEN ,  Bin Li ,  Yi Luo

IPC分类号： H04L25/49 ,  H04B15/00

CPC分类号： H04B7/0413 ,  H04B7/0465 ,  H04L25/03343

摘要： The present invention relates to the field of wireless communications technologies, and discloses a method and device for pre-coding and a method and device for decoding. The present invention implements an interference alignment method with excellent performance, can effectively increase the capacity of a multi-user interference system and reduce the mutual interference among users, The method for pre-coding includes: calculating a pre-coding matrix for each transmitting end according to a sum of mean square errors of data vectors to be transmitted by each transmitting ends; and using the pre-coding matrix to pre-code the data to be transmitted by each transmitting end. The present invention has broad application prospects, for example, can be used in LTE and LTE-Advanced CoMP technology.

摘要翻译： 本发明涉及无线通信技术领域，并且公开了一种用于预编码的方法和装置以及用于解码的方法和装置。 本发明实现了具有优异性能的干扰对准方法，可以有效提高多用户干扰系统的容量，减少用户间的相互干扰。预编码方法包括：为每个发送端计算预编码矩阵 根据每个发送端发送的数据向量的均方误差之和; 并且使用预编码矩阵对由每个发送端发送的数据进行预编码。 本发明具有广泛的应用前景，例如可用于LTE和LTE-Advanced CoMP技术。

公开(公告)号：US20120257695A1

公开(公告)日：2012-10-11

申请号：US13526345

申请日：2012-06-18

申请人： Bin Li ,  Hui Shen ,  Yi Luo ,  Feng Liu ,  Xianggen Xia

发明人： Bin Li ,  Hui Shen ,  Yi Luo ,  Feng Liu ,  Xianggen Xia

IPC分类号： H04L27/28 ,  H04B7/04 ,  H04B7/14

CPC分类号： H04L1/0668 ,  H04B7/026 ,  H04L1/0077 ,  H04L5/0023 ,  H04L5/0035 ,  H04L2001/0097

摘要： Embodiments of the present invention provide a network coding method and device in cooperative communication. The method, application and device relate to the field of wireless network communications. The method includes: receiving a signal sent from a first source node by using an OFDM symbol, and receiving a signal sent from a second source node by using an OFDM symbol; and performing a time reversal on one part of received mixed signals, and performing a reversal of a complex conjugate operation on the other part of the received mixed signals. The method, application and device have the advantage of obtaining a full diversity gain.

摘要翻译： 本发明的实施例提供了一种协作通信中的网络编码方法和装置。 该方法，应用和设备涉及无线网络通信领域。 该方法包括：通过使用OFDM符号接收从第一源节点发送的信号，以及通过使用OFDM符号接收从第二源节点发送的信号; 对所接收的混合信号的一部分进行时间反转，并对所接收的混合信号的另一部分进行复共轭运算的反转。 该方法，应用和装置具有获得全分集增益的优点。

公开(公告)号：US08675471B2

公开(公告)日：2014-03-18

申请号：US13096774

申请日：2011-04-28

申请人： XiangGen Xia ,  Bin Li ,  Hui Shen ,  Yi Luo

发明人： XiangGen Xia ,  Bin Li ,  Hui Shen ,  Yi Luo

IPC分类号： H04L1/02 ,  H04L5/00 ,  H04L1/06

CPC分类号： H04L5/0007 ,  H04B7/0691 ,  H04L1/06 ,  H04L1/0606 ,  H04L1/0643 ,  H04L1/0668

摘要： A method for constructing a space-time/space-frequency code, and a transmitting method and apparatus are provided, which relate to the field of wireless communication technologies. The method for constructing a space-time/space-frequency code includes: classifying at least two transmitter antennas into K groups, and classifying information symbols into K′ groups; constructing a Toeplitz matrix for information symbols in each group according to the number of transmitter antennas in a transmitter antenna group; and substituting the Toeplitz matrix for nonzero elements in an Orthogonal Space-Time Block Coding (OSTBC) matrix that is based on K and K′, and when the OSTBC matrix comprises a zero element, substituting a zero matrix with a corresponding dimension, for the zero element. The space-time code constructed with the above method has orthogonality.

摘要翻译： 提供了一种用于构建时空/空频码的方法，以及与无线通信技术领域有关的发送方法和装置。 用于构建空时/空间频率码的方法包括：将至少两个发射机天线分类为K个组，并将信息符号分类为K'组; 根据发射机天线组中发射机天线的数量，构建每组中的信息符号的Toeplitz矩阵; 并将Toeplitz矩阵替换为基于K和K'的正交空时块编码（OSTBC）矩阵中的非零元素，并且当OSTBC矩阵包括零元素时，用相应维度替换零矩阵，对于 零元素。 用上述方法构建的时空代码具有正交性。

公开(公告)号：US20110255395A1

公开(公告)日：2011-10-20

申请号：US13096774

申请日：2011-04-28

申请人： XiangGen XIA ,  Bin Li ,  Hui Shen ,  Yi Luo

发明人： XiangGen XIA ,  Bin Li ,  Hui Shen ,  Yi Luo

IPC分类号： H04J11/00

CPC分类号： H04L5/0007 ,  H04B7/0691 ,  H04L1/06 ,  H04L1/0606 ,  H04L1/0643 ,  H04L1/0668

摘要： A method for constructing a space-time/space-frequency code, and a transmitting method and apparatus are provided, which relate to the field of wireless communication technologies. The method for constructing a space-time/space-frequency code includes: classifying at least two transmitter antennas into K groups, and classifying information symbols into K′ groups; constructing a Toeplitz matrix for information symbols in each group according to the number of transmitter antennas in a transmitter antenna group; and substituting the Toeplitz matrix for nonzero elements in an Orthogonal Space-Time Block Coding (OSTBC) matrix that is based on K and K′, and when the OSTBC matrix comprises a zero element, substituting a zero matrix with a corresponding dimension, for the zero element. The space-time code constructed with the above method has orthogonality.

摘要翻译： 提供了一种用于构建时空/空频码的方法，以及与无线通信技术领域有关的发送方法和装置。 用于构建空时/空间频率码的方法包括：将至少两个发射机天线分类为K个组，并将信息符号分类为K'组; 根据发射机天线组中发射机天线的数量，构建每组中的信息符号的Toeplitz矩阵; 并将Toeplitz矩阵替换为基于K和K'的正交空时块编码（OSTBC）矩阵中的非零元素，并且当OSTBC矩阵包括零元素时，用相应维度替换零矩阵，对于 零元素。 用上述方法构建的时空代码具有正交性。

公开(公告)号：US08781021B2

公开(公告)日：2014-07-15

申请号：US13525641

申请日：2012-06-18

申请人： Hui Shen ,  Bin Li ,  Yi Luo

发明人： Hui Shen ,  Bin Li ,  Yi Luo

IPC分类号： H04B15/00 ,  H04B7/04 ,  H04L25/03

CPC分类号： H04B7/0413 ,  H04B7/0465 ,  H04L25/03343

摘要： The present invention relates to the field of wireless communications technologies, and discloses a method and device for pre-coding and a method and device for decoding. The present invention implements an interference alignment method with excellent performance, can effectively increase the capacity of a multi-user interference system and reduce the mutual interference among users, The method for pre-coding includes: calculating a pre-coding matrix for each transmitting end according to a sum of mean square errors of data vectors to be transmitted by each transmitting ends; and using the pre-coding matrix to pre-code the data to be transmitted by each transmitting end. The present invention has broad application prospects, for example, can be used in LTE and LTE-Advanced CoMP technology.

摘要翻译： 本发明涉及无线通信技术领域，并且公开了一种用于预编码的方法和装置以及用于解码的方法和装置。 本发明实现了具有优异性能的干扰对准方法，可以有效提高多用户干扰系统的容量，减少用户间的相互干扰。预编码方法包括：为每个发送端计算预编码矩阵 根据每个发送端发送的数据向量的均方误差之和; 并且使用预编码矩阵对由每个发送端发送的数据进行预编码。 本发明具有广泛的应用前景，例如可用于LTE和LTE-Advanced CoMP技术。

公开(公告)号：US20120257579A1

公开(公告)日：2012-10-11

申请号：US13529383

申请日：2012-06-21

申请人： Bin Li ,  Hui Shen ,  Yi Luo ,  Xiaodong Wang

发明人： Bin Li ,  Hui Shen ,  Yi Luo ,  Xiaodong Wang

IPC分类号： H04W4/00

CPC分类号： H04B7/0639 ,  H04B7/0626 ,  H04L1/0026 ,  H04L5/006 ,  H04L25/0204 ,  H04L2025/03802

摘要： Embodiments of the present invention provide a method for feeding back channel state information, and a method and a device for obtaining channel state information. The method for feeding back the channel state information includes: compressing, by a user equipment, original time domain channel state information to obtain compressed time domain Channel state information: quantizing the compressed time domain channel state information to obtain a codebook index; and sending the codebook index to a base station. With the technical solutions provided by the embodiments of the present invention, the total overhead used for feeding back the channel state information from the user equipment to the base station is reduced.

摘要翻译： 本发明的实施例提供一种用于反馈信道状态信息的方法，以及用于获得信道状态信息的方法和装置。 用于反馈信道状态信息的方法包括：由用户设备压缩原始时域信道状态信息以获得压缩时域信道状态信息：量化压缩的时域信道状态信息以获得码本索引; 并将码本索引发送到基站。 利用本发明实施例提供的技术方案，减少了从用户设备向基站反馈信道状态信息的总开销。

公开(公告)号：US20090175293A1

公开(公告)日：2009-07-09

申请号：US12399374

申请日：2009-03-06

申请人： Linfeng Xia ,  Yinggang Du ,  Bin Li ,  Yi Luo

发明人： Linfeng Xia ,  Yinggang Du ,  Bin Li ,  Yi Luo

IPC分类号： H04J3/02 ,  H04L27/28

CPC分类号： H04W28/18 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0072 ,  H04L5/1438 ,  H04W4/12 ,  H04W48/08 ,  H04W76/10

摘要： A method and system for transmitting messages over an F-SCCH in wireless communication field are disclosed. The method includes the following steps: acquiring a transmission type according to a negotiation between a terminal and a network during a link initialization; configuring a bit number occupied by a message type of messages of the F-SCCH; communicating, by the network, messages with the terminal according to the configured bit number of the message type based on the determined transmission type. With the present invention, redundancy of channel configuration may be decreased, channel configuration of the conventional art is simplified, hence reducing resource occupancy and improving resource utilization of channels.

摘要翻译： 公开了一种在无线通信领域中通过F-SCCH发送消息的方法和系统。 该方法包括以下步骤：在链路​​初始化期间根据终端和网络之间的协商获取传输类型; 配置由F-SCCH的消息的消息类型占据的比特数; 根据所确定的传输类型，根据所配置的消息类型的位数，通过网络与终端通信。 利用本发明，可以减少信道配置的冗余，简化传统技术的信道配置，从而减少资源占用并提高信道的资源利用。

公开(公告)号：US08437418B2

公开(公告)日：2013-05-07

申请号：US12793890

申请日：2010-06-04

申请人： Bin Li ,  Yi Luo ,  Jinho Choi ,  Nguyen Huan

发明人： Bin Li ,  Yi Luo ,  Jinho Choi ,  Nguyen Huan

IPC分类号： H04B7/02

CPC分类号： H04B7/0413 ,  H04L25/03242

摘要： The embodiments of the present invention disclose a method and an apparatus for detecting signals of a MIMO system, and relate to a MIMO technology. The method includes: performing triangular decomposition on a channel matrix of the MIMO system, and decomposing the MIMO system into multiple MIMO subsystems; detecting the receiving signal vector of the first MIMO subsystem, and obtaining the candidate detection vector list of the first MIMO subsystem; detecting remaining MIMO subsystems consecutively in a SIC mode, and generating candidate detection vector lists of the remaining MIMO subsystems; and combining all the lists, and marking decision or performing calculation to obtain the transmitting signal vector of the MIMO system.

摘要翻译： 本发明的实施例公开了一种用于检测MIMO系统的信号的方法和装置，并涉及MIMO技术。 该方法包括：对MIMO系统的信道矩阵执行三角分解，并将MIMO系统分解为多个MIMO子系统; 检测第一MIMO子系统的接收信号矢量，获得第一MIMO子系统的候选检测向量表; 以SIC模式连续检测剩余的MIMO子系统，以及生成剩余MIMO子系统的候选检测向量列表; 并组合所有列表，并进行标记决策或执行计算，以获得MIMO系统的发射信号向量。