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91. 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。

92. 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。

93. 发明授权

US09385794B2 Mobile terminal apparatus, radio base station apparatus and radio communication method 有权
标题翻译：移动终端装置，无线基站装置和无线通信方法
公开(公告)号：US09385794B2
公开(公告)日：2016-07-05
申请号：US14002925
申请日：2012-02-21
申请人： Anass Benjebbour , Satoshi Nagata
发明人： Anass Benjebbour , Satoshi Nagata
IPC分类号： H04B7/04 , H04B7/02 , H04B7/06 , H04L25/03 , H04J11/00
CPC分类号： H04B7/0456 , H04B7/024 , H04B7/0417 , H04B7/0632 , H04B7/0639 , H04B7/0695 , H04J11/0033 , H04J11/0053 , H04J2211/005 , H04L25/03949
摘要： To provide a mobile terminal apparatus, radio base station apparatus and radio communication method that enable accurate precoding weights to be generated in coordinated multipoint transmission, a radio communication method of the invention is characterized in that a mobile terminal apparatus (10) performs channel estimation using a downlink reference signal, selects a PMI using the obtained channel estimation value, measures an IQI using at least the channel estimation value and the PMI, and transmits at least the PMI and IQI to a radio base station apparatus, and that the radio base station apparatus generates precoding weights using the PMI and IQI, and performs coordinated multipoint transmission utilizing MIMO transmission using the precoding weights.
摘要翻译：本发明的无线通信方法的特征在于，移动终端装置（10）使用以下方式进行信道估计：（1）使用无线基站装置，无线基站装置，无线通信方法，下行链路参考信号使用所获得的信道估计值来选择PMI，至少使用信道估计值和PMI来测量IQI，并且至少将PMI和IQI发送到无线电基站装置，并且无线电基站设备使用PMI和IQI生成预编码权重，并且使用预编码权重执行利用MIMO传输的协调多点传输。

94. 发明授权

US09179349B2 Mobile terminal apparatus, base station apparatus and communication control method 有权
标题翻译：移动终端装置，基站装置和通信控制方法
公开(公告)号：US09179349B2
公开(公告)日：2015-11-03
申请号：US13883308
申请日：2011-11-07
申请人： Satoshi Nagata , Tetsushi Abe , Yusuke Ohwatari , Nobuhiko Miki
发明人： Satoshi Nagata , Tetsushi Abe , Yusuke Ohwatari , Nobuhiko Miki
IPC分类号： H04W72/08 , H04W24/10
CPC分类号： H04W24/10 , H04W72/085
摘要： The present invention provides a mobile terminal apparatus, a base station apparatus, and a communication control method, which allow control suitable for interference reduction in a layered network such as HetNet, and which support a next-generation mobile communication system. A mobile terminal apparatus has a receiving section (103) that receives radio frames of a pico cell, in which a protected subframe, the transmission of which by a macro cell is suppressed, and a non-protected subframe, the transmission of which by the macro cell is not suppressed, coexist, a measurement section (112) that measures reception quality from the reference signals multiplexed individually on the protected subframe and the non-protected subframe, and a transmission section (103) that notifies two types of reception quality information of the protected subframe and the non-protected subframe, measured in the measurement section (112), to a base station apparatus (20B).
摘要翻译：本发明提供一种移动终端装置，基站装置和通信控制方法，其允许适用于诸如HetNet的分层网络中的干扰减少的控制，并且其支持下一代移动通信系统。一种移动终端装置具有：接收部（103），其接收微小区的无线帧，在该无线帧中，由宏小区抑制其发送的受保护子帧，以及未受保护的子帧宏小区不被抑制，共存，从被保护子帧和非保护子帧单独复用的参考信号测量接收质量的测量部分（112）和通知两种接收质量信息的发送部分（103）在所述测量部分（112）中测量的所述被保护子帧和所述非保护子帧被发送到基站装置（20B）。

95. 发明授权

US08897281B2 Radio base station apparatus, mobile terminal apparatus and radio communication method 有权
标题翻译：无线基站装置，移动终端装置及无线通信方式
公开(公告)号：US08897281B2
公开(公告)日：2014-11-25
申请号：US13147217
申请日：2010-01-29
申请人： Nobuhiko Miki , Yoshihisa Kishiyama , Satoshi Nagata , Mamoru Sawahashi
发明人： Nobuhiko Miki , Yoshihisa Kishiyama , Satoshi Nagata , Mamoru Sawahashi
IPC分类号： H04W4/00 , H04L5/00 , H04W72/04
CPC分类号： H04L5/0007 , H04L5/0053 , H04W72/042
摘要： Provided is a radio base station apparatus capable of transmitting a control signal efficiently even in radio communications using a system band that includes a plurality of component carriers. In the radio base station apparatus, control signals of transport blocks corresponding to the plural component carriers are coded jointly and the coded control signal is assigned to one or plural component carriers to be transmitted. A mobile terminal apparatus receives data from the radio base station apparatus, separates the control signal from the received data and decodes the separated control signal thereby to obtain control information of the transport blocks of the corresponding component carriers.
摘要翻译：提供一种能够使用包括多个分量载波的系统频带在无线通信中有效地发送控制信号的无线基站装置。在无线基站装置中，与多个分量载波对应的传输块的控制信号被共同编码，并且将编码的控制信号分配给要传输的一个或多个分量载波。移动终端装置从无线基站装置接收数据，从接收到的数据分离控制信号，对分离的控制信号进行解码，得到对应的分量载波的传输块的控制信息。

96. 发明申请

US20140179363A1 RADIO COMMUNICATION SYSTEM, RADIO BASE STATION APPARATUS, USER TERMINAL AND RADIO COMMUNICATION METHOD 有权
标题翻译：无线电通信系统，无线基站设备，用户终端和无线电通信方法
公开(公告)号：US20140179363A1
公开(公告)日：2014-06-26
申请号：US14238148
申请日：2012-07-20
申请人： Daisuke Nishikawa , Satoshi Nagata , Tetsushi Abe
发明人： Daisuke Nishikawa , Satoshi Nagata , Tetsushi Abe
IPC分类号： H04W52/24
CPC分类号： H04W52/241 , H04L27/2614 , H04W52/146 , H04W52/242 , H04W52/244 , H04W52/245 , H04W52/247 , H04W52/248 , H04W52/40
摘要： The present invention is designed to provide a radio communication system which can control uplink transmission power adequately even in an HetNet environment. A radio communication system having a first radio base station apparatus and a second radio base station apparatus that is configured to able to communicate with the first radio base station apparatus is provided; and, in this radio communication system, the first radio base station apparatus has a first communication quality measurement section that measures the received quality of an uplink reference signal transmitted from a user terminal, and generates first received quality information, and a reporting section that reports the first communication quality information to the second radio base station apparatus, and the second radio base station apparatus has a second communication quality measurement section that measures the received quality of the uplink reference signal transmitted from the user terminal, and generates second communication quality information, a correction value determining section that determines a correction value for the transmission power of the user terminal on the uplink based on the first communication quality information and the second communication quality information, and a reporting section that reports the determined correction value to the user terminal.
摘要翻译：本发明旨在提供即使在HetNet环境中也能够适当地控制上行链路传输功率的无线电通信系统。提供一种具有第一无线基站装置和能够与第一无线基站装置通信的第二无线基站装置的无线通信系统。并且在该无线通信系统中，第一无线基站装置具有测定从用户终端发送的上行链路参考信号的接收质量的第一通信质量测量部，生成第一接收质量信息，以及报告部向第二无线基站装置发送第一通信质量信息，第二无线基站装置具有测定从用户终端发送的上行链路参考信号的接收质量的第二通信质量测量部，生成第二通信质量信息，校正值确定部分，基于第一通信质量信息和第二通信质量信息，确定上行链路上的用户终端的发送功率的校正值，以及向用户终端报告确定的校正值的报告部。

97. 发明申请

US20140086202A1 RADIO BASE STATION APPARATUS, USER TERMINAL APPARATUS, RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD 审中-公开
标题翻译：无线基站装置，用户终端装置，无线电通信系统和无线电通信方法
公开(公告)号：US20140086202A1
公开(公告)日：2014-03-27
申请号：US14115257
申请日：2012-04-24
申请人： Satoshi Nagata , Tetsushi Abe , Yoshihisa Kishiyama , Kazuaki Takeda
发明人： Satoshi Nagata , Tetsushi Abe , Yoshihisa Kishiyama , Kazuaki Takeda
IPC分类号： H04L5/00
CPC分类号： H04L5/0007 , H04L5/001 , H04L5/0023 , H04L5/0039 , H04L5/0048 , H04L5/0053 , H04W72/042
摘要： To provide a radio base station apparatus that enables the effect of improving usage efficiency of radio resources to be exerted sufficiently also in the case where the number of user terminals multiplexed into the same radio resources further increases, the radio base station apparatus performs communications using a first resource region for a downlink control channel subjected to time division, and a second resource region for a downlink data channel, and is characterized by being provided with generation sections (307, 308) that generate a first notification signal for notifying of the number of OFDM symbols of the first resource region, and a second notification signal for notifying of a starting position in the time domain of a third resource region obtained by performing frequency division on a part of the second resource region, and a multiplexing section (312) that multiplexes the first notification signal into the first resource region, and the second notification signal into the third resource region.
摘要翻译：为了提供能够在多路复用到同一无线电资源中的用户终端的数量进一步增加的情况下充分发挥提高无线资源的使用效率的效果的无线基站装置，无线基站装置使用经受时分的下行链路控制信道的第一资源区域和下行链路数据信道的第二资源区域，并且其特征在于具有生成部分（307,308），其生成用于通知数量的第一通知信号第一资源区域的OFDM符号和用于通知在第二资源区域的一部分上进行分频获得的第三资源区域的时域中的起始位置的第二通知信号，以及复用部（312），其中，将第一通知信号复用到第一资源区域中，并将第二通知信号复用为第三资源区域。

98. 发明申请

US20140029465A1 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，无线电通信方法和无线电通信系统
公开(公告)号：US20140029465A1
公开(公告)日：2014-01-30
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： H04W24/02
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。

99. 发明申请

US20140003272A1 MOBILE TERMINAL APPARATUS, RADIO BASE STATION APPARATUS AND RADIO COMMUNICATION METHOD 有权
标题翻译：移动终端装置，无线基站装置和无线电通信方法
公开(公告)号：US20140003272A1
公开(公告)日：2014-01-02
申请号：US14002925
申请日：2012-02-21
申请人： Anass Benjebbour , Satoshi Nagata
发明人： Anass Benjebbour , Satoshi Nagata
IPC分类号： H04B7/04
CPC分类号： H04B7/0456 , H04B7/024 , H04B7/0417 , H04B7/0632 , H04B7/0639 , H04B7/0695 , H04J11/0033 , H04J11/0053 , H04J2211/005 , H04L25/03949
摘要： To provide a mobile terminal apparatus, radio base station apparatus and radio communication method that enable accurate precoding weights to be generated in coordinated multipoint transmission, a radio communication method of the invention is characterized in that a mobile terminal apparatus (10) performs channel estimation using a downlink reference signal, selects a PMI using the obtained channel estimation value, measures an IQI using at least the channel estimation value and the PMI, and transmits at least the PMI and IQI to a radio base station apparatus, and that the radio base station apparatus generates precoding weights using the PMI and IQI, and performs coordinated multipoint transmission utilizing MIMO transmission using the precoding weights.
摘要翻译：本发明的无线通信方法的特征在于，移动终端装置（10）使用以下方式进行信道估计，即：下行链路参考信号使用所获得的信道估计值来选择PMI，至少使用信道估计值和PMI来测量IQI，并且至少将PMI和IQI发送到无线电基站装置，并且无线电基站设备使用PMI和IQI生成预编码权重，并且使用预编码权重执行利用MIMO传输的协调多点传输。

100. 发明申请

US20130294271A1 MOBILE TERMINAL APPARATUS, BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD 有权
标题翻译：移动终端装置，基站装置和通信控制方法
公开(公告)号：US20130294271A1
公开(公告)日：2013-11-07
申请号：US13883308
申请日：2011-11-07
申请人： Satoshi Nagata , Tetsushi Abe , Yusuke Ohwatari , Nobuhiko Miki
发明人： Satoshi Nagata , Tetsushi Abe , Yusuke Ohwatari , Nobuhiko Miki
IPC分类号： H04W24/10
CPC分类号： H04W24/10 , H04W72/085
摘要： The present invention provides a mobile terminal apparatus, a base station apparatus, and a communication control method, which allow control suitable for interference reduction in a layered network such as HetNet, and which support a next-generation mobile communication system. A mobile terminal apparatus has a receiving section (103) that receives radio frames of a pico cell, in which a protected subframe, the transmission of which by a macro cell is suppressed, and a non-protected subframe, the transmission of which by the macro cell is not suppressed, coexist, a measurement section (112) that measures reception quality from the reference signals multiplexed individually on the protected subframe and the non-protected subframe, and a transmission section (103) that notifies two types of reception quality information of the protected subframe and the non-protected subframe, measured in the measurement section (112), to a base station apparatus (20B).
摘要翻译：本发明提供一种移动终端装置，基站装置和通信控制方法，其允许适用于诸如HetNet的分层网络中的干扰减少的控制，并且其支持下一代移动通信系统。一种移动终端装置具有：接收部（103），其接收微小区的无线帧，在该无线帧中，由宏小区抑制其发送的受保护子帧，以及未受保护的子帧宏小区不被抑制，共存，从被保护子帧和非保护子帧单独复用的参考信号测量接收质量的测量部分（112）和通知两种接收质量信息的发送部分（103）在所述测量部分（112）中测量的所述被保护子帧和所述非保护子帧被发送到基站装置（20B）。

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