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1. 发明授权

US08971436B2 User equipment and channel state information feedback method 有权
标题翻译：用户设备和信道状态信息反馈方法
公开(公告)号：US08971436B2
公开(公告)日：2015-03-03
申请号：US13703913
申请日：2011-06-17
申请人： Satoshi Nagata , Yoshihisa Kishiyama , Xiang Yun , Jianchi Zhu , Xiaoming She , Lan Chen
发明人： Satoshi Nagata , Yoshihisa Kishiyama , Xiang Yun , Jianchi Zhu , Xiaoming She , Lan Chen
IPC分类号： H04B7/02 , H04B7/04 , H04B7/06 , H04L1/00 , H04L5/00
CPC分类号： H04B7/0478 , H04B7/024 , H04B7/0456 , H04B7/0482 , H04B7/0632 , H04L1/0015 , H04L1/0026 , H04L1/0031 , H04L5/0035
摘要： The present invention provides a user equipment and channel state information feedback method. The channel state information feedback method used in a coordinated multi-point system includes acquiring small-scale channel state information H′=[H′1, H′2, . . . , H′K] between a user equipment and all base stations joining coordination, acquiring large-scale channel state information li(i=1, . . . , K) between the user equipment and each of the base stations joining coordination, acquiring a CQI (CQIi=li▪|H′|, i=1, . . . , K) between the user equipment and each of the base stations joining coordination based on the small-scale channel state information and the large-scale channel state information, updating the source codebook C using the acquired CQI to acquire an updated codebook{tilde over (C)},performing quantization processing using the updated codebook to acquire CDI, and transmitting the CDI and the CQI associated with each of the base stations joining coordination to a base station as feedback to provide for channel reconstruction in the base station. According to the invention, the rate of utilization of feedback information is improved.
摘要翻译：本发明提供一种用户设备和信道状态信息反馈方法。在协调多点系统中使用的信道状态信息反馈方法包括获取小规模信道状态信息H'= [H'1，H'2，...] 。。，H'K]在用户设备和所有基站之间加入协调，获取用户设备和每个基站之间加入协调的大规模信道状态信息li（i = 1，...，K），获取基于小规模信道状态信息和大规模信道状态信息，用户设备与加入协调的每个基站之间的CQI（CQIi =li▪| H'|，i = 1，...，K）使用获取的CQI更新源码本C以获取更新的码本（（C）），使用更新的码本执行量化处理以获取CDI，以及发送与连接协调的每个基站相关联的CDI和CQI 作为反馈提供给基站中的信道重建的基站。根据本发明，提高了反馈信息的利用率。

2. 发明申请

US20130114751A1 USER EQUIPMENT AND CHANNEL STATE INFORMATION FEEDBACK METHOD 有权
标题翻译：用户设备和通道状态信息反馈方法
公开(公告)号：US20130114751A1
公开(公告)日：2013-05-09
申请号：US13703913
申请日：2011-06-17
申请人： Satoshi Nagata , Yoshihisa Kishiyama , Xiang Yun , Jianchi Zhu , Xiaoming She , Lan Chen
发明人： Satoshi Nagata , Yoshihisa Kishiyama , Xiang Yun , Jianchi Zhu , Xiaoming She , Lan Chen
IPC分类号： H04B7/04
CPC分类号： H04B7/0478 , H04B7/024 , H04B7/0456 , H04B7/0482 , H04B7/0632 , H04L1/0015 , H04L1/0026 , H04L1/0031 , H04L5/0035
摘要： The present invention provides a user equipment and channel state information feedback method. The channel state information feedback method used in a coordinated multi-point system includes acquiring small-scale channel state information H′=[H′1, H′2, . . . , H′K] between a user equipment and all base stations joining coordination, acquiring large-scale channel state information li(i=1, . . . , K) between the user equipment and each of the base stations joining coordination, acquiring a CQI (CQIi=li▪|H′|, i=1, . . . , K) between the user equipment and each of the base stations joining coordination based on the small-scale channel state information and the large-scale channel state information, updating the source codebook C using the acquired CQI to acquire an updated codebook {tilde over (C)}, performing quantization processing using the updated codebook to acquire CDI, and transmitting the CDI and the CQI associated with each of the base stations joining coordination to a base station as feedback to provide for channel reconstruction in the base station. According to the invention, the rate of utilization of feedback information is improved.
摘要翻译：本发明提供一种用户设备和信道状态信息反馈方法。在协调多点系统中使用的信道状态信息反馈方法包括获取小规模信道状态信息H'= [H'1，H'2，...] 。。，H'K]在用户设备和所有基站之间加入协调，获取用户设备和每个基站之间加入协调的大规模信道状态信息li（i = 1，...，K），获取基于小规模信道状态信息和大规模信道状态信息，用户设备和加入协调的每个基站之间的CQI（CQIi = li * | H'|，i = 1，...，K）使用获取的CQI更新源码本C以获取更新的码本（（C）），使用更新的码本执行量化处理以获取CDI，以及发送与连接协调的每个基站相关联的CDI和CQI 作为反馈提供给基站中的信道重建的基站。根据本发明，提高了反馈信息的利用率。

3. 发明申请

US20140064236A1 CHANNEL RECONFIGURATION METHOD, PRECODING METHOD AND APPARATUS THEREFOR 有权
标题翻译：通道重构方法，预处理方法及其设备
公开(公告)号：US20140064236A1
公开(公告)日：2014-03-06
申请号：US14116836
申请日：2012-05-10
申请人： Satoshi Nagata , Jianchi Zhu , Xiaoming She , Xiang Yun , Yu Jiang , Lan Chen , Hirohito Suda
发明人： Satoshi Nagata , Jianchi Zhu , Xiaoming She , Xiang Yun , Yu Jiang , Lan Chen , Hirohito Suda
IPC分类号： H04L25/03 , H04L25/02 , H04L5/00
CPC分类号： H04L25/03904 , H04B7/0417 , H04B7/0626 , H04B7/0632 , H04L5/0035 , H04L25/0242 , H04L25/03949 , H04L2025/03802
摘要： In order to recognize a relatively accurate channel state of each UE, a channel of the UE is reconfigured based on channel phase information and channel quality information reported from the UE to obtain a channel matrix of the UE. Besides, a channel of the UE is reconfigured based on channel phase information and channel quality information reported from the UE to obtain a channel matrix of the UE, a precoding matrix of the UE is determined based on the channel matrix of the UE, and precoding is performed on data to transmit to the UE, using the precoding matrix.
摘要翻译：为了识别每个UE的相对准确的信道状态，基于从UE报告的信道相位信息和信道质量信息重新配置UE的信道，以获得UE的信道矩阵。此外，基于从UE报告的信道相位信息和信道质量信息重新配置UE的信道，以获得UE的信道矩阵，基于UE的信道矩阵确定UE的预编码矩阵，并且预编码使用预编码矩阵对要发送给UE的数据执行。

4. 发明授权

US09401830B2 Channel reconfiguration method, precoding method and apparatus therefor 有权
标题翻译：信道重配置方法，预编码方法及其装置
公开(公告)号：US09401830B2
公开(公告)日：2016-07-26
申请号：US14116836
申请日：2012-05-10
申请人： Satoshi Nagata , Jianchi Zhu , Xiaoming She , Xiang Yun , Yu Jiang , Lan Chen , Hirohito Suda
发明人： Satoshi Nagata , Jianchi Zhu , Xiaoming She , Xiang Yun , Yu Jiang , Lan Chen , Hirohito Suda
IPC分类号： H04L25/03 , H04B7/04 , H04L5/00 , H04L25/02 , H04B7/06
CPC分类号： H04L25/03904 , H04B7/0417 , H04B7/0626 , H04B7/0632 , H04L5/0035 , H04L25/0242 , H04L25/03949 , H04L2025/03802
摘要： In order to recognize a relatively accurate channel state of each UE, a channel of the UE is reconfigured based on channel phase information and channel quality information reported from the UE to obtain a channel matrix of the UE. Besides, a channel of the UE is reconfigured based on channel phase information and channel quality information reported from the UE to obtain a channel matrix of the UE, a precoding matrix of the UE is determined based on the channel matrix of the UE, and precoding is performed on data to transmit to the UE, using the precoding matrix.
摘要翻译：为了识别每个UE的相对准确的信道状态，基于从UE报告的信道相位信息和信道质量信息重新配置UE的信道，以获得UE的信道矩阵。此外，基于从UE报告的信道相位信息和信道质量信息重新配置UE的信道，以获得UE的信道矩阵，基于UE的信道矩阵确定UE的预编码矩阵，并且预编码使用预编码矩阵对要发送给UE的数据执行。

5. 发明申请

US20140073341A1 RADIO BASE STATION APPARATUS, MOBILE TERMINAL APPARATUS, RADIO COMMUNICATION METHOD AND RADIO COMMUNICATION SYSTEM 审中-公开
标题翻译：无线基站装置，移动终端装置，无线电通信方法和无线电通信系统
公开(公告)号：US20140073341A1
公开(公告)日：2014-03-13
申请号：US14116375
申请日：2012-05-10
申请人： Satoshi Nagata , Tetsushi Abe , Yoshihisa Kishiyama , Jianchi Zhu , Xiang Yun
发明人： Satoshi Nagata , Tetsushi Abe , Yoshihisa Kishiyama , Jianchi Zhu , Xiang Yun
IPC分类号： H04W52/38 , H04L5/00
CPC分类号： H04W52/38 , H04B7/024 , H04L5/0035 , H04W48/20 , H04W52/143 , H04W52/40 , H04W52/46 , H04W52/54
摘要： The present invention is designated to improve received quality in a mobile terminal apparatus when coordinated multiple-point transmission (CoMP)—in particular, DCS-CoMP—is adopted. With the radio communication method of the present invention, when dynamic cell selection-type coordinated multiple-point transmission is adopted, a radio base station apparatus increases transmission power in radio resources to transmit to a mobile terminal apparatus, transmits the increased transmission power to the mobile terminal apparatus as transmission power information and performs dynamic cell selection-type coordinated multiple-point transmission at the increased transmission power.
摘要翻译：当采用协调的多点传输（CoMP） - 特别是DCS-CoMP时，本发明被指定为提高移动终端装置中的接收质量。利用本发明的无线通信方法，当采用动态小区选择型协同多点发送时，无线基站装置增加无线资源的发送功率，向移动终端装置发送增加的发送功率，移动终端装置作为发送功率信息，以增加的发送功率进行动态小区选择型协调的多点发送。

6. 发明申请

US20140057640A1 METHOD FOR CONFIGURING COORDINATED MULTIPOINT TRANSMISSION 有权
标题翻译：用于配置协调多点传输的方法
公开(公告)号：US20140057640A1
公开(公告)日：2014-02-27
申请号：US14112270
申请日：2012-04-23
申请人： Satoshi Nagata , Jianchi Zhu , Mingju Li , Xiaoming She , Lan Chen
发明人： Satoshi Nagata , Jianchi Zhu , Mingju Li , Xiaoming She , Lan Chen
IPC分类号： H04L5/00
CPC分类号： H04L5/0035 , H04B7/024 , H04B7/0452 , H04B7/0617 , H04B7/0619 , H04B7/0626 , H04L1/0026 , H04L1/1887 , H04W72/04 , H04W72/1231
摘要： Provided is a method for configuring coordinated multipoint transmission (CoMP) of the present invention. The method includes: providing a transmission mode to support CoMP and, at a base station (eNB), configuring the transmission mode to support CoMP to a user terminal (UE) by radio resource control (RRC) signaling. According to the method of the present invention, it becomes possible to configure CoMP so that the LTE system can support the CoMP function.
摘要翻译：提供了一种用于配置本发明的协同多点传输（CoMP）的方法。该方法包括：提供支持CoMP的传输模式，并且在基站（eNB）处，通过无线资源控制（RRC）信令，配置传输模式以向用户终端（UE）支持CoMP。根据本发明的方法，可以配置CoMP使得LTE系统能够支持CoMP功能。

7. 发明授权

US09647806B2 Method for configuring coordinated multipoint transmission 有权
公开(公告)号：US09647806B2
公开(公告)日：2017-05-09
申请号：US14112270
申请日：2012-04-23
申请人： Satoshi Nagata , Jianchi Zhu , Mingju Li , Xiaoming She , Lan Chen
发明人： Satoshi Nagata , Jianchi Zhu , Mingju Li , Xiaoming She , Lan Chen
IPC分类号： H04W72/00 , H04L5/00 , H04W72/04 , H04B7/024 , H04L1/00 , H04L1/18 , H04B7/06
CPC分类号： H04L5/0035 , H04B7/024 , H04B7/0452 , H04B7/0617 , H04B7/0619 , H04B7/0626 , H04L1/0026 , H04L1/1887 , H04W72/04 , H04W72/1231
摘要： Provided is a method for configuring coordinated multipoint transmission (CoMP) of the present invention. The method includes: providing a transmission mode to support CoMP and, at a base station (eNB), configuring the transmission mode to support CoMP to a user terminal (UE) by radio resource control (RRC) signaling. According to the method of the present invention, it becomes possible to configure CoMP so that the LTE system can support the CoMP function.

8. 发明申请

US20140050111A1 RECEIVING APPARATUS, DATA RECEIVING METHOD, AND CHANNEL ESTIMATING APPARATUS AND METHOD THEREFOR 有权
标题翻译：接收装置，数据接收方法和信道估计装置及其方法
公开(公告)号：US20140050111A1
公开(公告)日：2014-02-20
申请号：US14112265
申请日：2012-04-20
申请人： Satoshi Nagata , Hidekazu Taoka , Jianchi Zhu , Xiaoming She , Lan Chen
发明人： Satoshi Nagata , Hidekazu Taoka , Jianchi Zhu , Xiaoming She , Lan Chen
IPC分类号： H04L25/02
CPC分类号： H04L25/0202 , H04J11/0036 , H04J11/005 , H04L25/0204 , H04L25/03891
摘要： Disclosed are a receiving apparatus, a data receiving method, a channel estimating apparatus and a channel estimating method for multi-user interference (MUI) signals according to the present invention. The channel estimating apparatus for MUI signals has: a user type determining section configured to determine whether a UE apparatus corresponding to an own station belongs to a first type user or a second type user and to determine demodulation information to use in channel estimation of MUI signals based on the type of the UE apparatus corresponding to the own station; and a second channel estimating section configured to perform channel estimation of a multi-user interference signal based on the determined demodulation information to use in channel estimation of MUI signals. In the present invention, the UE apparatus is classified by type and the demodulation information to use in channel estimation of MUI signals is determined based on the type of the UE apparatus. With this structure, it is possible to improve channel estimation accuracy and further to improve the performance of data reception and user and cell throughputs.
摘要翻译：公开了根据本发明的接收装置，数据接收方法，信道估计装置和用于多用户干扰（MUI）信号的信道估计方法。用于MUI信号的信道估计装置具有：用户类型确定部分，用于确定与本站对应的UE装置是属于第一类用户还是第二类用户，并确定在MUI信号的信道估计中使用的解调信息基于对应于本站的UE装置的类型; 以及第二信道估计部，被配置为基于所确定的解调信息来执行多用户干扰信号的信道估计，以在MUI信号的信道估计中使用。在本发明中，根据类型对UE装置进行分类，并根据UE装置的种类来确定在MUI信号的信道估计中使用的解调信息。利用这种结构，可以提高信道估计精度并进一步提高数据接收的性能和用户和小区吞吐量。

9. 发明授权

US09444652B2 Receiving apparatus, data receiving method, and channel estimating apparatus and method therefor 有权
标题翻译：接收装置，数据接收方法以及信道估计装置及方法
公开(公告)号：US09444652B2
公开(公告)日：2016-09-13
申请号：US14112265
申请日：2012-04-20
申请人： Satoshi Nagata , Hidekazu Taoka , Jianchi Zhu , Xiaoming She , Lan Chen
发明人： Satoshi Nagata , Hidekazu Taoka , Jianchi Zhu , Xiaoming She , Lan Chen
IPC分类号： H04L12/26 , H04L25/02 , H04J11/00 , H04L25/03
CPC分类号： H04L25/0202 , H04J11/0036 , H04J11/005 , H04L25/0204 , H04L25/03891
摘要： In the present disclosure, the UE apparatus is classified by type and the demodulation information to use in channel estimation of MUI signals is determined based on the type of the UE apparatus. The channel estimating apparatus for MUI signals has: a user type determining circuit that determines whether a UE apparatus corresponding to an own station belongs to a first type user or a second type user and determines demodulation information to use in channel estimation of MUI signals based on the type of the UE apparatus corresponding to the own station; and a channel estimating circuit that performs channel estimation of a multi-user interference signal based on the determined demodulation information to use in channel estimation of MUI signals. With this structure, it is possible to improve channel estimation accuracy and further to improve the performance of data reception and user and cell throughputs.
摘要翻译：在本公开中，UE装置根据类型进行分类，并且基于UE装置的类型来确定在MUI信号的信道估计中使用的解调信息。用于MUI信号的信道估计装置具有：用户类型确定电路，其确定与本站相对应的UE装置是属于第一类型用户还是属于第二类用户，并且基于以下方式确定用于MUI信号的信道估计的解调信息：对应于本站的UE装置的类型; 以及信道估计电路，其基于所确定的解调信息来执行多用户干扰信号的信道估计，以在MUI信号的信道估计中使用。利用这种结构，可以提高信道估计精度并进一步提高数据接收的性能和用户和小区吞吐量。

10. 发明授权

US09351177B2 Mobile terminal apparatus, radio base station apparatus, radio communication method and radio communication system 有权
标题翻译：移动终端装置，无线基站装置，无线通信方式以及无线通信系统
公开(公告)号：US09351177B2
公开(公告)日：2016-05-24
申请号：US14110738
申请日：2012-04-12
申请人： Satoshi Nagata , Xiang Yun , Xiaoming She , Lan Chen
发明人： Satoshi Nagata , Xiang Yun , Xiaoming She , Lan Chen
IPC分类号： H04W4/00 , H04W24/02 , H04B7/02 , H04B7/06 , H04B7/04 , H04W72/08
CPC分类号： H04W24/02 , H04B7/024 , H04B7/0456 , H04B7/063 , H04B7/0632 , H04B7/0639 , H04W72/082
摘要： The present invention is designed to provide a mobile terminal apparatus, a radio base station apparatus and a radio communication method which, even when a MIMO technique and a CoMP technique are applied together, can optimize the effects of both techniques. The mobile terminal apparatus estimates downlink channel states using reference signals included in downlink signals from a plurality of cells, determines the PMI for each cell and inter-cell phase difference information, from the channel states of the plurality of cells, such that the combinations of the PMI of each cell and inter-cell phase difference information become optimal, measures channel quality from the determined PMIs and inter-cell phase difference information, and transmits the PMI for each cell, the inter-cell phase difference information and channel quality information, to a radio base station apparatus.
摘要翻译：本发明旨在提供即使将MIMO技术和CoMP技术应用于一起也可以优化两种技术的效果的移动终端装置，无线基站装置和无线通信方法。移动终端设备使用包括在来自多个小区的下行链路信号中的参考信号来估计下行链路信道状态，从多个小区的信道状态确定每个小区的PMI和小区间相位差信息，使得每个小区的PMI和小区间相位信息变为最优，从确定的PMI和小区间相位信息中测量信道质量，并且发送每个小区的PMI，小区间相位差信息和信道质量信息，涉及无线基站装置。

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