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1. 发明授权

US09712299B2 Method of scrambling reference signals, device and user equipment using the method 有权
公开(公告)号：US09712299B2
公开(公告)日：2017-07-18
申请号：US14368767
申请日：2012-01-19
申请人： Hui Tong , Masayuki Hoshino , Ming Xu , Daichi Imamura
发明人： Hui Tong , Masayuki Hoshino , Ming Xu , Daichi Imamura
IPC分类号： H04W72/04 , H04L5/00 , H04J13/00 , H04J13/18 , H04L25/03 , H04L27/26 , H04B7/024 , H04B7/06
CPC分类号： H04L5/0048 , H04B7/024 , H04B7/0684 , H04J13/0003 , H04J13/004 , H04J13/18 , H04J2211/005 , H04L5/0025 , H04L25/03866 , H04L27/2613
摘要： A Method of scrambling reference signals, device and user equipment using the method are provided. In the method, a plurality of layers of reference signals assigned on predetermined radio resource of a plurality of layers of resource blocks with the same time and frequency resources are scrambled, the method comprising: an orthogonalizing step of multiplying each layer of reference signal selectively by one of a plurality of orthogonal cover codes (OCCs) with the same length wherein the OCC multiplied to a first layer of reference signal can be configured as different from those multiplied to other layers of reference signals; and a scrambling step of multiplying all of symbols obtained from the OCC multiplied to each of the other layers of reference signals by a symbol-common scrambling sequence wherein the symbol-common scrambling sequences can be different from each other for reference signals multiplied by the same OCC.

2. 发明授权

US09161324B2 Method of reporting phase offsets, user equipment and transmission point device using the method 有权
标题翻译：使用该方法报告相位偏移，用户设备和传输点设备的方法
公开(公告)号：US09161324B2
公开(公告)日：2015-10-13
申请号：US14123271
申请日：2011-06-30
申请人： Hui Tong , Masayuki Hoshino , Akihiko Nishio , Ming Xu , Daichi Imamura
发明人： Hui Tong , Masayuki Hoshino , Akihiko Nishio , Ming Xu , Daichi Imamura
IPC分类号： H04W56/00 , H04L27/00 , H04L27/34 , H04W24/10
CPC分类号： H04W56/0035 , H04L27/0008 , H04L27/0012 , H04L27/3472 , H04W24/10
摘要： A transmission point device, user equipment, and method of reporting phase offsets between signals received from a serving cell and neighbor cells in a communication system are disclosed. The method comprises steps of: quantizing the phase offsets using a predetermined number of bits; utilizing another bit to indicate constellation of the phase offsets; reporting the quantized phase offsets and the constellation to transmission point. The present disclosure may improve the signal combining gain from multiple transmission points with minimum overhead increasing.
摘要翻译：公开了一种在通信系统中从服务小区接收的信号和相邻小区之间报告相位偏移的传输点设备，用户设备和方法。该方法包括以下步骤：使用预定数量的比特量化相位偏移; 利用另一位来指示相位偏移的星座; 将量化相位偏移和星座报告给传输点。本公开可以以最小的开销增加来改善来自多个传输点的信号组合增益。

3. 发明授权

US08934563B2 Method and device for feeding back pre-coding matrix index of dual-polarized antenna 有权
标题翻译：用于反馈双极化天线的预编码矩阵索引的方法和装置
公开(公告)号：US08934563B2
公开(公告)日：2015-01-13
申请号：US13582848
申请日：2011-02-21
申请人： Hui Tong , Ming Xu , Masayuki Hoshino , Daichi Imamura
发明人： Hui Tong , Ming Xu , Masayuki Hoshino , Daichi Imamura
IPC分类号： H04B7/02 , H04L1/02 , H04B7/04 , H04B7/10 , H04B7/06
CPC分类号： H04B7/0636 , H04B7/0469 , H04B7/0634 , H04B7/0639 , H04B7/065 , H04B7/10
摘要： There is provided a method and device for feeding back a pre-coding matrix index of a dual-polarized antenna which has a first antenna array and a second antenna array and is arranged at a base station to which the index of a first pre-coding matrix for the first antenna array, the index of a second pre-coding matrix for the second antenna array and the phase offset between the first pre-coding matrix and the second pre-coding matrix are fed back from a terminal, comprising: computing a distance between the first pre-coding matrix and the second pre-coding matrix; judging whether the distance is larger than a predetermined threshold or not; and assigning less bits to indicate the phase offset if the distance is larger than the predetermined threshold. The method and device according to the present disclosure can effectively advance the feedback accuracy of a system thus improving the bit error rate and throughput of the system.
摘要翻译：提供了一种用于反馈具有第一天线阵列和第二天线阵列的双极化天线的预编码矩阵索引的方法和装置，并且被布置在基站，第一预编码的索引用于第一天线阵列的矩阵，用于第二天线阵列的第二预编码矩阵的索引和第一预编码矩阵与第二预编码矩阵之间的相位偏移从终端反馈，包括：计算第一预编码矩阵和第二预编码矩阵之间的距离; 判断距离是否大于预定阈值; 并且如果距离大于预定阈值，则分配较少的比特来指示相位偏移。根据本公开的方法和装置可以有效地提高系统的反馈精度，从而提高系统的误码率和吞吐量。

4. 发明申请

US20140355408A1 METHOD OF SCRAMBLING REFERENCE SIGNALS, DEVICE AND USER EQUIPMENT USING THE METHOD 有权
标题翻译：使用该方法来对参考信号，设备和用户设备进行屏蔽的方法
公开(公告)号：US20140355408A1
公开(公告)日：2014-12-04
申请号：US14368767
申请日：2012-01-19
申请人： Hui Tong , Masayuki Hoshino , Ming Xu , Daichi Imamura
发明人： Hui Tong , Masayuki Hoshino , Ming Xu , Daichi Imamura
IPC分类号： H04L5/00 , H04L25/03
CPC分类号： H04L5/0048 , H04B7/024 , H04B7/0684 , H04J13/0003 , H04J13/004 , H04J13/18 , H04J2211/005 , H04L5/0025 , H04L25/03866 , H04L27/2613
摘要： A Method of scrambling reference signals, device and user equipment using the method are provided. In the method, a plurality of layers of reference signals assigned on predetermined radio resource of a plurality of layers of resource blocks with the same time and frequency resources are scrambled, the method comprising: an orthogonalizing step of multiplying each layer of reference signal selectively by one of a plurality of orthogonal cover codes (OCCs) with the same length wherein the OCC multiplied to a first layer of reference signal can be configured as different from those multiplied to other layers of reference signals; and a scrambling step of multiplying all of symbols obtained from the OCC multiplied to each of the other layers of reference signals by a symbol-common scrambling sequence wherein the symbol-common scrambling sequences can be different from each other for reference signals multiplied by the same OCC.
摘要翻译：提供了使用该方法对参考信号，设备和用户设备进行加扰的方法。在该方法中，对具有相同时间和频率资源的资源块的多个层的预定无线电资源上分配的多个参考信号层进行加扰，所述方法包括：正交化步骤，将每个参考信号层选择性地乘以具有相同长度的多个正交覆盖码（OCC）中的一个可以被配置为与被附加到其他参考信号层相乘的OCC相乘的OCC与参考信号的第一层相乘; 以及加扰步骤，将从所述其他参考信号层中的每一个相乘的所有符号乘以符号公共加扰序列，其中符号公共加扰序列可以彼此不同，以便将其乘以相同的参考信号 OCC。

5. 发明申请

US20130064317A1 METHOD AND DEVICE FOR FEEDING BACK PRE-CODING MATRIX INDEX OF DUAL-POLARIZED ANTENNA 有权
标题翻译：用于馈送双极化天线的反向预编码矩阵索引的方法和装置
公开(公告)号：US20130064317A1
公开(公告)日：2013-03-14
申请号：US13582848
申请日：2011-02-21
申请人： Hui Tong , Ming Xu , Masayuki Hoshino , Daichi Imamura
发明人： Hui Tong , Ming Xu , Masayuki Hoshino , Daichi Imamura
IPC分类号： H04B7/06
CPC分类号： H04B7/0636 , H04B7/0469 , H04B7/0634 , H04B7/0639 , H04B7/065 , H04B7/10
摘要： There is provided a method and device for feeding back a pre-coding matrix index of a dual-polarized antenna which has a first antenna array and a second antenna array and is arranged at a base station to which the index of a first pre-coding matrix for the first antenna array, the index of a second pre-coding matrix for the second antenna array and the phase offset between the first pre-coding matrix and the second pre-coding matrix are fed back from a terminal, comprising: computing a distance between the first pre-coding matrix and the second pre-coding matrix; judging whether the distance is larger than a predetermined threshold or not; and assigning less bits to indicate the phase offset if the distance is larger than the predetermined threshold. The method and device according to the present disclosure can effectively advance the feedback accuracy of a system thus improving the bit error rate and throughput of the system.
摘要翻译：提供了一种用于反馈具有第一天线阵列和第二天线阵列的双极化天线的预编码矩阵索引的方法和装置，并且被布置在基站，第一预编码的索引用于第一天线阵列的矩阵，用于第二天线阵列的第二预编码矩阵的索引和第一预编码矩阵与第二预编码矩阵之间的相位偏移从终端反馈，包括：计算第一预编码矩阵和第二预编码矩阵之间的距离; 判断距离是否大于预定阈值; 并且如果距离大于预定阈值，则分配较少的比特来指示相位偏移。根据本公开的方法和装置可以有效地提高系统的反馈精度，从而提高系统的误码率和吞吐量。

6. 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。

7. 发明授权

US10051489B2 Method of CSI reporting, user equipment and enode B 有权
公开(公告)号：US10051489B2
公开(公告)日：2018-08-14
申请号：US14129259
申请日：2012-05-11
申请人： Hui Tong , Masayuki Hoshino , Akihiko Nishio , Ming Xu , Daichi Imamura
发明人： Hui Tong , Masayuki Hoshino , Akihiko Nishio , Ming Xu , Daichi Imamura
IPC分类号： H04B7/06 , H04W24/02 , H04L1/00 , H04W24/10 , H04W88/02
CPC分类号： H04W24/02 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04B7/065 , H04B7/066 , H04L1/0026 , H04L1/0027 , H04L1/003 , H04L1/0031 , H04W24/10 , H04W88/02
摘要： Provided is reporting one or more long term CSI components to an eNode B, wherein at least one long term CSI component being reported with multiple values; and reporting a transmission scheme assumption indicator (TSAI) together with a set of short term CSI components to the eNode B, wherein the TSAI indicating the eNode B of a value of the multiple values of the at least one long term CSI component to be currently used and of the set of short term CSI components being conditioned on the value indicated by the TSAI, wherein the short term CSI components being reported more frequently.

8. 发明授权

US09872279B2 Method for determining channel quality indicator, base station and user equipment therefor 有权
公开(公告)号：US09872279B2
公开(公告)日：2018-01-16
申请号：US14114883
申请日：2011-09-29
申请人： Hui Tong , Masayuki Hoshino , Daichi Imamura , Ming Xu
发明人： Hui Tong , Masayuki Hoshino , Daichi Imamura , Ming Xu
IPC分类号： H04W72/04 , H04B7/024 , H04B7/06 , H04L1/00 , H04L5/00 , H04W28/08 , H04L25/02 , H04W16/32
CPC分类号： H04W72/0413 , H04B7/024 , H04B7/0632 , H04L1/0015 , H04L1/0026 , H04L5/0035 , H04L5/0075 , H04L25/0208 , H04W16/32 , H04W28/08
摘要： A base station and a related method are provided. The base station includes a transmitter which, in operation, transmits, to a user equipment (UE), values configured for different base station coordination types, respectively, wherein each of the base station coordination types defines which base stations among multiple base stations perform coordinated transmission in that base station coordination type. The base station further includes a receiver which, in operation, receives a channel quality indicator (CQI) reported from the UE, wherein the CQI is calculated at the UE in reference to the values.

9. 发明授权

US09743304B2 Method of feeding back MU-CQI in a communication system, transmission point device, and user equipment 有权
公开(公告)号：US09743304B2
公开(公告)日：2017-08-22
申请号：US13981589
申请日：2011-03-31
申请人： Hui Tong , Ming Xu , Masayuki Hoshino , Daichi Imamura
发明人： Hui Tong , Ming Xu , Masayuki Hoshino , Daichi Imamura
IPC分类号： H04W24/10 , H04B7/0452 , H04B7/06 , H04W52/02 , H04L1/00
CPC分类号： H04W24/10 , H04B7/0452 , H04B7/0632 , H04B7/0639 , H04L1/0026 , H04L1/0031 , H04W52/0238 , Y02D70/1262 , Y02D70/444
摘要： There are provided a method, user equipment, and transmission point device for feeding back channel quality indicator (MU-CQI) to the transmission point in a communication system including the transmission point and a plurality of user equipments, the method comprising steps: the transmission point sending a message to an intended user equipment of the plurality of user equipments; and the intended user equipment calculating the MU-CQI based on the message, and feeding back the MU-CQI to the transmission point. The present disclosure enables dynamic MU operation, and improves link adaptation performance with marginal downlink overhead. And the accuracy is not limited by codebook size.

10. 发明授权

US08995541B2 Method, mobile terminal, base station, and system for reporting best companion precoding matrix index in communication system with double codebook 有权
标题翻译：方法，移动终端，基站和系统，用于在具有双码本的通信系统中报告最佳伴随预编码矩阵索引
公开(公告)号：US08995541B2
公开(公告)日：2015-03-31
申请号：US13883155
申请日：2010-11-05
申请人： Hui Tong , Ming Xu , Masayuki Hoshino , Daichi Imamura
发明人： Hui Tong , Ming Xu , Masayuki Hoshino , Daichi Imamura
IPC分类号： H04L27/28 , H04B7/04 , H04B7/06
CPC分类号： H04B7/0456 , H04B7/0478 , H04B7/0639
摘要： A method, mobile terminal, and system for reporting BCI are provided, the method comprises the steps of: obtaining a PMI W1 set and a PMI W2 to be used for a mobile terminal based on a double codebook; computing a BCI W1 set to be used for another mobile terminal based on the PMI W1 set; selecting a BCI W2 from the BCI W1 set based on the PMI W2; and reporting the BCI W1 set and the BCI W2 to a base station, wherein W1 indicates a long-term or wideband component of the PMI and BCI, and W2 indicates a short-term or narrowband component of the PMI and BCI. With the present disclosure, the probability that the optimal BCI W2 is included in the shifted BCI W1 set is increased, and the overhead for feeding-back the BCI is reduced.
摘要翻译：提供了一种用于报告BCI的方法，移动终端和系统，该方法包括以下步骤：基于双码本获取要用于移动终端的PMI W1集和PMI W2; 基于PMI W1设置计算用于另一移动终端的BCI W1集合; 从基于PMI W2的BCI W1集合中选择BCI W2; 并将BCI W1集和BCI W2报告给基站，其中W1表示PMI和BCI的长期或宽带分量，W2表示PMI和BCI的短期或窄带分量。在本公开中，增加了偏移BCI W1集合中包含最佳BCI W2的概率，并且减少了用于反馈BCI的开销。

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