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1. 发明申请

US20130010895A1 WIRELESS COMMUNICATION SYSTEM, BASE STATION, TERMINAL AND METHOD OF GENERATING CODEBOOK 有权
标题翻译：无线通信系统，基站，终端和生成代码的方法
公开(公告)号：US20130010895A1
公开(公告)日：2013-01-10
申请号：US13634210
申请日：2011-03-15
申请人： Hui Tong , Masayuki Hoshino , Ming Xu , Seigo Nakao , Daichi Imamura
发明人： Hui Tong , Masayuki Hoshino , Ming Xu , Seigo Nakao , Daichi Imamura
IPC分类号： H04L25/49
CPC分类号： H04B7/0478 , H04B7/024 , H04B7/0456 , H04B7/0469 , H04B7/0634 , H04B7/0639 , H04B7/0641 , H04B7/0663 , H04B2001/3855 , H04B2001/3861 , H04L25/03904 , H04L25/03917 , H04W88/02 , H04W88/08
摘要： The present disclosure provides a method of generating codebook in a wireless communication system with multiple antenna arrays, as well as a wireless communication system, base station and terminal using the codebook for communication. The method comprises steps of: providing a basic codebook which cotains multiple pre-coding matrices; and assigning phase offsets to certain pre-coding matrices in the basic codebook to form a codebook with phase offset. The feedback overhead from a client to a base station side is reduced and a good precision of feedback for multi-antenna array is kept by applying the method of generating codebook and using the generated codebook in the wireless communication system, base station and terminal.
摘要翻译：本公开提供了一种在具有多个天线阵列的无线通信系统中生成码本的方法，以及使用该通信码本的无线通信系统，基站和终端。该方法包括以下步骤：提供困扰多个预编码矩阵的基本码本; 并将相位偏移分配给基本码本中的某些预编码矩阵以形成具有相位偏移的码本。降低了从客户端到基站侧的反馈开销，通过在无线通信系统，基站和终端中应用生成码本的方法和使用生成的码本来保持多天线阵列的反馈精度良好。

2. 发明授权

US08798195B2 Wireless communication system, base station, terminal and method of generating codebook 有权
标题翻译：无线通信系统，基站，终端和码本的生成方法
公开(公告)号：US08798195B2
公开(公告)日：2014-08-05
申请号：US13634210
申请日：2011-03-15
申请人： Hui Tong , Masayuki Hoshino , Ming Xu , Seigo Nakao , Daichi Imamura
发明人： Hui Tong , Masayuki Hoshino , Ming Xu , Seigo Nakao , Daichi Imamura
IPC分类号： H04L25/49
CPC分类号： H04B7/0478 , H04B7/024 , H04B7/0456 , H04B7/0469 , H04B7/0634 , H04B7/0639 , H04B7/0641 , H04B7/0663 , H04B2001/3855 , H04B2001/3861 , H04L25/03904 , H04L25/03917 , H04W88/02 , H04W88/08
摘要： The present disclosure provides a method of generating codebook in a wireless communication system with multiple antenna arrays, as well as a wireless communication system, base station and terminal using the codebook for communication. The method comprises steps of: providing a basic codebook which contains multiple pre-coding matrices; and assigning phase offsets to certain pre-coding matrices in the basic codebook to form a codebook with phase offset. The feedback overhead from a client to a base station side is reduced and a good precision of feedback for multi-antenna array is kept by applying the method of generating codebook and using the generated codebook in the wireless communication system, base station and terminal.
摘要翻译：本公开提供了一种在具有多个天线阵列的无线通信系统中生成码本的方法，以及使用该通信码本的无线通信系统，基站和终端。该方法包括以下步骤：提供包含多个预编码矩阵的基本码本; 并将相位偏移分配给基本码本中的某些预编码矩阵以形成具有相位偏移的码本。降低了从客户端到基站侧的反馈开销，通过在无线通信系统，基站和终端中应用生成码本的方法和使用生成的码本来保持多天线阵列的反馈精度良好。

3. 发明申请

US20130176948A1 WIRELESS COMMUNICATION METHOD, WIRELESS COMMUNICATION TERMINAL AND BASE STATION 有权
标题翻译：无线通信方法，无线通信终端和基站
公开(公告)号：US20130176948A1
公开(公告)日：2013-07-11
申请号：US13821799
申请日：2010-11-04
申请人： Hui Tong , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
发明人： Hui Tong , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
IPC分类号： H04B7/04
CPC分类号： H04B7/0456 , H04B7/0452 , H04L1/0026 , H04L1/0027 , H04L1/0029 , H04L1/06
摘要： A wireless communication method, a terminal and a base station are provided. The method includes the step of transmitting a plurality of best companion pre-coding matrix indexs (BCIs) and corresponding delta channel quality indicators (ΔCQIs) from the terminal to the base station, wherein the period of frames for transmitting the plurality of BCIs is larger than the period of frames for transmitting a single BCI. The method, terminal and base station according to the present disclosure can greatly increase scheduling flexibility at base station side and improve MU-MIMO performance without increasing feedback overhead of channels.
摘要翻译：提供无线通信方法，终端和基站。该方法包括从终端向基站发送多个最佳伴随预编码矩阵索引（BCI）和对应的增量信道质量指示符（DeltaCQI）的步骤，其中用于发送多个BCI的帧周期较大比传输单个BCI的帧的周期。根据本公开的方法，终端和基站可以大大增加基站侧的调度灵活性，并且在不增加信道的反馈开销的情况下提高MU-MIMO性能。

4. 发明申请

US20120127952A1 METHOD AND DEVICE FOR SUPERIMPOSING REFERENCE SIGNAL AND DATA BASED ON SPACE DIVISION MULTIPLE ACCESS 有权
标题翻译：用于超级参考信号和基于空间分割多路访问的数据的方法和装置
公开(公告)号：US20120127952A1
公开(公告)日：2012-05-24
申请号：US13378124
申请日：2010-04-12
申请人： Hui Tong , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
发明人： Hui Tong , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
IPC分类号： H04W72/04
CPC分类号： H04B7/046 , H04B7/0408 , H04B7/0413
摘要： The present invention provides a method of superimposing data signals and reference signals in a space division multiple access communication system, a base station of the communication system transmitting the first layer resource block and another layer resource block to a terminal using the same time/frequency resources, reference signals in the first layer resource block and reference signals in the other layer resource block being orthogonal to each other, the method including superimposing data signals transmitted in the first layer resource block at positions of reference signals in the first layer resource block, making a spreading sequence of the superimposed data signals orthogonal to a spreading sequence of the reference signals in the first layer resource block. The present invention can effectively use resources consumed under a multiuser MIMO system and drastically improve the system performance.
摘要翻译：本发明提供了一种在空分多址通信系统中叠加数据信号和参考信号的方法，该通信系统的基站使用相同的时间/频率资源向终端发送第一层资源块和另一层资源块所述第一层资源块中的参考信号和所述另一层资源块中的参考信号彼此正交，所述方法包括将在所述第一层资源块中发送的数据信号叠加在所述第一层资源块中的参考信号的位置，与第一层资源块中的参考信号的扩展序列正交的叠加数据信号的扩展序列。本发明可以有效地利用在多用户MIMO系统下消耗的资源，并且显着提高系统性能。

5. 发明授权

US09350431B2 Wireless communication method for a MU-MIMO system, wireless communication terminal for communicating with a base station in a MU-MIMO system, and base station for communicating with wireless communication terminals in a MU-MIMO system 有权
标题翻译：用于MU-MIMO系统的无线通信方法，用于与MU-MIMO系统中的基站进行通信的无线通信终端，以及用于与MU-MIMO系统中的无线通信终端进行通信的基站
公开(公告)号：US09350431B2
公开(公告)日：2016-05-24
申请号：US13821799
申请日：2010-11-04
申请人： Hui Tong , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
发明人： Hui Tong , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
IPC分类号： H04L12/28 , H04B7/04 , H04L1/00 , H04L1/06 , H04J1/16
CPC分类号： H04B7/0456 , H04B7/0452 , H04L1/0026 , H04L1/0027 , H04L1/0029 , H04L1/06
摘要： A wireless communication method, a terminal and a base station are provided. The method includes the step of transmitting a plurality of best companion pre-coding matrix indexs (BCIs) and corresponding delta channel quality indicators (ΔCQIs) from the terminal to the base station, wherein the period of frames for transmitting the plurality of BCIs is larger than the period of frames for transmitting a single BCI. The method, terminal and base station according to the present disclosure can greatly increase scheduling flexibility at base station side and improve MU-MIMO performance without increasing feedback overhead of channels.
摘要翻译：提供无线通信方法，终端和基站。该方法包括从终端向基站发送多个最佳伴侣预编码矩阵索引（BCI）和对应的增量信道质量指示符（＆Dgr; CQI）的步骤，其中用于发送多个BCI的帧周期大于发送单个BCI的帧的周期。根据本公开的方法，终端和基站可以大大增加基站侧的调度灵活性，并且在不增加信道的反馈开销的情况下提高MU-MIMO性能。

6. 发明授权

US08797993B2 Method and device for superimposing reference signal and data based on space division multiple access 有权
标题翻译：基于空分多址的叠加参考信号和数据的方法和装置
公开(公告)号：US08797993B2
公开(公告)日：2014-08-05
申请号：US13378124
申请日：2010-04-12
申请人： Hui Tong , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
发明人： Hui Tong , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
IPC分类号： H04W4/00 , H04B7/04
CPC分类号： H04B7/046 , H04B7/0408 , H04B7/0413
摘要： The present invention provides a method of superimposing data signals and reference signals in a space division multiple access communication system, a base station of the communication system transmitting the first layer resource block and another layer resource block to a terminal using the same time/frequency resources, reference signals in the first layer resource block and reference signals in the other layer resource block being orthogonal to each other, the method including superimposing data signals transmitted in the first layer resource block at positions of reference signals in the first layer resource block, making a spreading sequence of the superimposed data signals orthogonal to a spreading sequence of the reference signals in the first layer resource block. The present invention can effectively use resources consumed under a multiuser MIMO system and drastically improve the system performance.
摘要翻译：本发明提供了一种在空分多址通信系统中叠加数据信号和参考信号的方法，该通信系统的基站使用相同的时间/频率资源向终端发送第一层资源块和另一层资源块所述第一层资源块中的参考信号和所述另一层资源块中的参考信号彼此正交，所述方法包括将在所述第一层资源块中发送的数据信号叠加在所述第一层资源块中的参考信号的位置，与第一层资源块中的参考信号的扩展序列正交的叠加数据信号的扩展序列。本发明可以有效地利用在多用户MIMO系统下消耗的资源，并且显着提高系统性能。

7. 发明申请

US20130044580A1 ORTHOGONAL CODES BASED CODE DIVISION MULTIPLEXING METHOD, MULTIPLEXING DEVICE, AND DE-MULTIPLEXING DEVICE 有权
标题翻译：基于正交码的代码分割多路复用方法，多路复用器件和多路复用器件
公开(公告)号：US20130044580A1
公开(公告)日：2013-02-21
申请号：US13696052
申请日：2011-04-01
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
IPC分类号： H04J13/10
CPC分类号： H04J13/004 , H04J13/0048 , H04J13/12 , H04J13/18 , H04L5/0007 , H04L5/0016 , H04L5/0026 , H04L5/0048 , H04L5/0051 , H04L5/0066 , H04L43/087
摘要： The present disclosure provides an orthogonal codes based code division multiplexing method of performing the code division multiplexing of demodulation reference signals in multiple layers of resource blocks by using orthogonal matrices, the method comprising: changing the order of chips in particular rows of a first orthogonal matrix to obtain a second orthogonal matrix with the changed order of chips; and multiplying the chips in respective rows of the second orthogonal matrix by the demodulation reference signals in corresponding layers of resource blocks correspondingly in the time direction to obtain code division multiplexing signals. The technical scheme of the present disclosure can improve the power jitter situation of downlink signals on the time, thereby the usage efficiency of the power amplifier at the base station side can be improved.
摘要翻译：本公开提供了一种基于正交码的码分复用方法，其通过使用正交矩阵来执行多层资源块中的解调参考信号的码分复用，所述方法包括：改变第一正交矩阵的特定行中的码片的顺序以获得具有改变的码片顺序的第二正交矩阵; 并将第二正交矩阵的各行中的码片乘以相应于时间方向的资源块的相应层中的解调参考信号，以获得码分复用信号。本公开的技术方案可以提高下行链路信号的功率抖动情况，从而可以提高基站侧的功率放大器的使用效率。

8. 发明授权

US08837270B2 Orthogonal codes based code division multiplexing method, multiplexing device, and de-multiplexing device 有权
标题翻译：基于正交码的码分复用方法，复用装置和解复用装置
公开(公告)号：US08837270B2
公开(公告)日：2014-09-16
申请号：US13696052
申请日：2011-04-01
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
IPC分类号： H04J11/00 , H04J13/12 , H04L5/00 , H04J13/00 , H04J13/18
CPC分类号： H04J13/004 , H04J13/0048 , H04J13/12 , H04J13/18 , H04L5/0007 , H04L5/0016 , H04L5/0026 , H04L5/0048 , H04L5/0051 , H04L5/0066 , H04L43/087
摘要： The present disclosure provides an orthogonal codes based code division multiplexing method of performing the code division multiplexing of demodulation reference signals in multiple layers of resource blocks by using orthogonal matrices, the method comprising: changing the order of chips in particular rows of a first orthogonal matrix to obtain a second orthogonal matrix with the changed order of chips; and multiplying the chips in respective rows of the second orthogonal matrix by the demodulation reference signals in corresponding layers of resource blocks correspondingly in the time direction to obtain code division multiplexing signals. The technical scheme of the present disclosure can improve the power jitter situation of downlink signals on the time, thereby the usage efficiency of the power amplifier at the base station side can be improved.
摘要翻译：本公开提供了一种基于正交码的码分复用方法，其通过使用正交矩阵来执行多层资源块中的解调参考信号的码分复用，所述方法包括：改变第一正交矩阵的特定行中的码片的顺序以获得具有改变的码片顺序的第二正交矩阵; 并将第二正交矩阵的各行中的码片乘以相应于时间方向的资源块的相应层中的解调参考信号，以获得码分复用信号。本公开的技术方案可以提高下行链路信号的功率抖动情况，从而可以提高基站侧的功率放大器的使用效率。

9. 发明授权

US08649347B2 Method and device for setting demodulation reference signals in wireless communication system 有权
标题翻译：在无线通信系统中设置解调参考信号的方法和装置
公开(公告)号：US08649347B2
公开(公告)日：2014-02-11
申请号：US13378134
申请日：2010-04-09
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
IPC分类号： H04W4/00
CPC分类号： H04L5/0048 , H04L5/0035 , H04W72/00 , H04W72/04
摘要： Demodulation reference signals and data are transmitted to a receiving terminal through time/frequency resources of the radio communication system using a resource block as a base unit. The method includes arranging at least two orthogonal DM-RSs in two edge OFDM symbols for resource blocks of respective cells, a frequency offset existing between cells at positions of the orthogonal DM-RSs in the edge OFDM symbols, performing puncturing at positions corresponding to the orthogonal DM-RSs of the other cells in the edge OFDM symbols of the respective cells, arranging superimposing DM-RSs in the two edge OFDM symbols in a resource block of one cell and arranging the superimposing DM-RSs at positions corresponding to the resource blocks of the other cells, wherein positions of the superimposing DM-RSs are set between the positions of the orthogonal DM-RSs in the respective edge OFDM symbols.
摘要翻译：解调参考信号和数据通过使用资源块作为基本单元的无线电通信系统的时间/频率资源被发送到接收终端。该方法包括在两个边缘OFDM符号中为相应小区的资源块布置至少两个正交的DM-RS，频率偏移存在于边缘OFDM符号中的正交DM-RS的位置处的小区之间，在对应于在各个小区的边缘OFDM符号中的其他小区的正交DM-RS，将两个边缘OFDM符号中的DM-RS叠加在一个小区的资源块中，并将叠加的DM-RS布置在与资源块对应的位置其中叠加DM-RS的位置被设置在各边缘OFDM符号中的正交DM-RS的位置之间。

10. 发明申请

US20120093124A1 METHOD AND DEVICE FOR SETTING DEMODULATION REFERENCE SIGNALS IN WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：用于在无线通信系统中设置解调参考信号的方法和设备
公开(公告)号：US20120093124A1
公开(公告)日：2012-04-19
申请号：US13378134
申请日：2010-04-09
申请人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
发明人： Zhi Zhang , Ming Xu , Masayuki Hoshino , Seigo Nakao , Daichi Imamura
IPC分类号： H04W72/04
CPC分类号： H04L5/0048 , H04L5/0035 , H04W72/00 , H04W72/04
摘要： The present invention provides a method of arranging demodulation reference signals in a radio communication system that communicates according to a coordinated scheme. Demodulation reference signals and data are transmitted to a receiving terminal through time/frequency resources of the radio communication system using a resource block as a base unit. The method includes arranging at least two orthogonal DM-RSs in two edge OFDM symbols for resource blocks of respective cells, a frequency offset existing between cells at positions of the orthogonal DM-RSs in the edge OFDM symbols, performing puncturing at positions corresponding to the orthogonal DM-RSs of the other cells in the edge OFDM symbols of the respective cells, arranging superimposing DM-RSs in the two edge OFDM symbols in a resource block of one cell and arranging the superimposing DM-RSs at positions corresponding to the resource blocks of the other cells, wherein positions of the superimposing DM-RSs are set between the positions of the orthogonal DM-RSs in the respective edge OFDM symbols.
摘要翻译：本发明提供一种在根据协调方案通信的无线通信系统中布置解调参考信号的方法。解调参考信号和数据通过使用资源块作为基本单元的无线电通信系统的时间/频率资源被发送到接收终端。该方法包括在两个边缘OFDM符号中为相应小区的资源块布置至少两个正交的DM-RS，频率偏移存在于边缘OFDM符号中的正交DM-RS的位置处的小区之间，在对应于在各个小区的边缘OFDM符号中的其他小区的正交DM-RS，将两个边缘OFDM符号中的DM-RS叠加在一个小区的资源块中，并将叠加的DM-RS布置在与资源块对应的位置其中叠加DM-RS的位置被设置在各边缘OFDM符号中的正交DM-RS的位置之间。

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