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1. 发明授权

US10064216B2 Radio base station apparatus, mobile terminal apparatus, radio communication method and radio communication system 有权
公开(公告)号：US10064216B2
公开(公告)日：2018-08-28
申请号：US14114570
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： H04W74/00 , H04L5/00 , H04L27/26
CPC分类号： H04W74/006 , H04L5/0023 , H04L5/0035 , H04L5/005 , H04L5/0053 , H04L5/0094 , H04L27/2613
摘要： To enable a mobile terminal apparatus to correctly demodulate a data signal in the case of applying Coordinated Multi-Point transmission (CoMP), particularly, JP-CoMP, a radio communication method of the invention is characterized in that a radio base station apparatus generates information for demodulation of a data signal in a mobile terminal apparatus in applying Coordinated Multi-Point transmission, and transmits the information for demodulation to a mobile terminal apparatus that performs Coordinated Multi-Point reception, and that the mobile terminal apparatus receives the information for demodulation of a data signal, and demodulates the data signal subjected to Coordinated Multi-Point reception using the information for demodulation.

2. 发明授权

US10064161B2 User terminal, radio base station apparatus, radio communication system and radio communication method 有权
公开(公告)号：US10064161B2
公开(公告)日：2018-08-28
申请号：US14115270
申请日：2012-02-17
申请人： Kazuaki Takeda , Tetsushi Abe , Yoshihisa Kishiyama , Satoshi Nagata
发明人： Kazuaki Takeda , Tetsushi Abe , Yoshihisa Kishiyama , Satoshi Nagata
IPC分类号： H04W72/04 , H04L5/00 , H04L1/06 , H04L1/16 , H04L1/18 , H04B7/024 , H04B7/0452 , H04L27/26
CPC分类号： H04W72/0406 , H04B7/024 , H04B7/0452 , H04L1/06 , H04L1/1621 , H04L1/1861 , H04L1/1864 , H04L5/0007 , H04L5/0055 , H04L27/2626 , H04L27/2647 , H04W72/042
摘要： To provide a user terminal, radio base station apparatus, radio communication system and radio communication method that support increases in the number of users, a user terminal is provided with a reception section that receives a downlink control signal multiplexed into radio resources from the starting OFDM symbol to a predetermined OFDM symbol in a subframe, and a downlink control signal subjected to frequency division multiplexing with a downlink data signal into radio resources after the predetermined OFDM symbol, a retransmission check section that performs a retransmission check on the downlink data signal based on the downlink control signal subjected to frequency division multiplexing to output a retransmission response signal, and a selection section that selects a radio resource of an uplink control channel used in transmission of the retransmission response signal.

3. 发明申请

US20140133418A1 CHANNEL STATE INFORMATION REPORTING METHOD, RADIO BASE STATION APPARATUS, USER TERMINAL AND RADIO COMMUNICATION SYSTEM 有权
标题翻译：信道状态信息报告方法，无线基站设备，用户终端和无线电通信系统
公开(公告)号：US20140133418A1
公开(公告)日：2014-05-15
申请号：US14115234
申请日：2012-02-17
申请人： Kazuaki Takeda , Tetsushi Abe , Yoshihisa Kishiyama , Satoshi Nagata
发明人： Kazuaki Takeda , Tetsushi Abe , Yoshihisa Kishiyama , Satoshi Nagata
IPC分类号： H04L5/00 , H04W24/10
CPC分类号： H04L5/0053 , H04B7/024 , H04B7/0626 , H04B7/0643 , H04L1/0003 , H04L1/0009 , H04L1/0026 , H04L1/0027 , H04L1/003 , H04L1/1812 , H04L5/001 , H04L5/0035 , H04L5/0057 , H04L5/0091 , H04W24/10 , H04W72/042
摘要： The present invention is designed to flexibly report aperiodic channel state information to a plurality of radio base station apparatuses to be coordinated, even when coordinated multiple-point (CoMP) transmission/reception is performed.A radio communication system includes: a radio base station apparatus that transmits an uplink scheduling grant, which includes a request field that requests reporting of channel state information from a user terminal, and an identification field that identifies a radio base station apparatus to which aperiodic channel state information should be reported, among a plurality of radio base station apparatuses that perform coordinated multiple-point transmission/reception, to the user terminal, via a downlink control channel; and a user terminal that estimates a channel state with respect to a radio base station apparatus that is designated by a combination of the request field and the identification field, and reports the channel state information to the radio base station apparatus via an uplink shared channel.
摘要翻译：即使在进行了协调的多点（CoMP）发送/接收的情况下，本发明也被设计成能够将多个无线基站装置的非周期性信道状态信息灵活地进行协调。无线通信系统包括：发送上行链路调度许可的无线基站装置，其包括请求字段，其请求来自用户终端的信道状态信息的报告;以及识别字段，其识别非周期性信道的无线基站装置在经由下行链路控制信道向用户终端执行协调的多点发送/接收的多个无线基站装置中应该报告状态信息; 以及用户终端，其针对由所述请求字段和所述识别字段的组合指定的无线基站装置估计信道状态，并且经由所述上行链路共享信道向所述无线基站装置报告所述信道状态信息。

4. 发明授权

US09806834B2 User terminal, radio base station, downlink control channel receiving method and mobile communication system 有权
公开(公告)号：US09806834B2
公开(公告)日：2017-10-31
申请号：US14114606
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： H04W4/00 , H04J1/02 , H04W72/12 , H04L5/00 , H04L25/02
CPC分类号： H04J1/02 , H04L5/0053 , H04L5/006 , H04L25/0224 , H04W72/1289
摘要： The present invention is designed such that it is possible to optimize the effect of improving the efficiency of use of radio resources even when the number of user terminals to be multiplexed over the same radio resources is further increased. A user terminal performs downlink communication with a radio base station using a PDCCH resource region and a PDSCH resource region. The user terminal detects the starting position of the radio resources where the PDSCH and the PDCCH are frequency-division-multiplexed in the PDSCH resource region in the time direction, and receives the PDCCH that is frequency-division-multiplexed over the radio resources starting from the detected starting position.

5. 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。

6. 发明授权

US09306720B2 Channel state information reporting method, radio base station apparatus, user terminal and radio communication system 有权
标题翻译：信道状态信息报告方法，无线基站装置，用户终端和无线通信系统
公开(公告)号：US09306720B2
公开(公告)日：2016-04-05
申请号：US14115234
申请日：2012-02-17
申请人： Kazuaki Takeda , Tetsushi Abe , Yoshihisa Kishiyama , Satoshi Nagata
发明人： Kazuaki Takeda , Tetsushi Abe , Yoshihisa Kishiyama , Satoshi Nagata
IPC分类号： H04L5/00 , H04W72/04 , H04B7/02 , H04W24/10 , H04B7/06 , H04L1/00 , H04L1/18
CPC分类号： H04L5/0053 , H04B7/024 , H04B7/0626 , H04B7/0643 , H04L1/0003 , H04L1/0009 , H04L1/0026 , H04L1/0027 , H04L1/003 , H04L1/1812 , H04L5/001 , H04L5/0035 , H04L5/0057 , H04L5/0091 , H04W24/10 , H04W72/042
摘要： The present invention is designed to flexibly report aperiodic channel state information to a plurality of radio base station apparatuses to be coordinated, even when coordinated multiple-point (CoMP) transmission/reception is performed.A radio communication system includes: a radio base station apparatus that transmits an uplink scheduling grant, which includes a request field that requests reporting of channel state information from a user terminal, and an identification field that identifies a radio base station apparatus to which aperiodic channel state information should be reported, among a plurality of radio base station apparatuses that perform coordinated multiple-point transmission/reception, to the user terminal, via a downlink control channel; and a user terminal that estimates a channel state with respect to a radio base station apparatus that is designated by a combination of the request field and the identification field, and reports the channel state information to the radio base station apparatus via an uplink shared channel.
摘要翻译：即使在进行了协调的多点（CoMP）发送/接收的情况下，本发明也被设计成能够将多个无线基站装置的非周期性信道状态信息灵活地进行协调。无线通信系统包括：发送上行链路调度许可的无线基站装置，其包括请求字段，其请求来自用户终端的信道状态信息的报告;以及识别字段，其识别非周期性信道的无线基站装置在经由下行链路控制信道向用户终端执行协调的多点发送/接收的多个无线基站装置中应该报告状态信息; 以及用户终端，其针对由所述请求字段和所述识别字段的组合指定的无线基站装置估计信道状态，并且经由所述上行链路共享信道向所述无线基站装置报告所述信道状态信息。

7. 发明授权

US09124320B2 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：US09124320B2
公开(公告)日：2015-09-01
申请号：US13978330
申请日：2011-12-09
申请人： Satoshi Nagata , Tetsushi Abe , Yoshihisa Kishiyama
发明人： Satoshi Nagata , Tetsushi Abe , Yoshihisa Kishiyama
IPC分类号： H04Q7/00 , H04B7/04 , H04B7/02 , H04L25/03 , H04L25/02
CPC分类号： H04B7/0456 , H04B7/024 , H04L25/0226 , H04L25/03904 , H04L25/03955
摘要： A mobile terminal apparatus estimates downlink channel states using respective reference signals included in downlink signals from plural cells; selects PMIs (Precoding Matrix Indicators) using a codebook based on the channel states; estimates a phase difference between the cells based on the selected PMIs or the channel states; and transmits information of the phase difference and the selected PMIs to radio base station apparatuses of the respective cells. A radio base station apparatus receives an uplink signal including a PMI and the information of the phase difference between the cells; multiplies a transmission signal by a precoding weight corresponding to the PMI; adjusts the phase difference between the cells with use of the information of the phase difference between the cells; and transmits the transmission signal to a radio base station apparatus of another cell by coordinated multi-point transmission.
摘要翻译：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各个参考信号来估计下行链路信道使用基于信道状态的码本选择PMI（预编码矩阵指示符）; 基于所选择的PMI或信道状态来估计小区之间的相位差; 并将相位差信息和所选择的PMI发送到各小区的无线基站装置。无线基站装置接收包括PMI的上行链路信号和小区之间的相位差的信息; 将发送信号乘以对应于PMI的预编码权重; 使用细胞之间的相位差的信息来调整细胞之间的相位差; 并通过协调的多点发送将发送信号发送到另一小区的无线基站装置。

8. 发明申请

US20140086201A1 USER TERMINAL, RADIO BASE STATION, DOWNLINK CONTROL CHANNEL RECEIVING METHOD AND MOBILE COMMUNICATION SYSTEM 有权
标题翻译：用户终端，无线基站，下行链路控制信道接收方法和移动通信系统
公开(公告)号：US20140086201A1
公开(公告)日：2014-03-27
申请号：US14114606
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： H04J1/02
CPC分类号： H04J1/02 , H04L5/0053 , H04L5/006 , H04L25/0224 , H04W72/1289
摘要： The present invention is designed such that it is possible to optimize the effect of improving the efficiency of use of radio resources even when the number of user terminals to be multiplexed over the same radio resources is further increased. A user terminal performs downlink communication with a radio base station using a PDCCH resource region and a PDSCH resource region. The user terminal detects the starting position of the radio resources where the PDSCH and the PDCCH are frequency-division-multiplexed in the PDSCH resource region in the time direction, and receives the PDCCH that is frequency-division-multiplexed over the radio resources starting from the detected starting position.
摘要翻译：本发明被设计成即使当在相同的无线电资源上被复用的用户终端的数量进一步增加时，也可以优化提高无线资源的使用效率的效果。用户终端使用PDCCH资源区域和PDSCH资源区域与无线基站进行下行链路通信。用户终端检测在PDSCH资源区域中的PDSCH和PDCCH在时间方向上被频分复用的无线电资源的起始位置，并且从无线电资源中开始频分复用的PDCCH 检测到的起始位置。

9. 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。

10. 发明申请

US20140064244A1 BASE STATION APPARATUS, MOBILE TERMINAL APPARATUS, COMMUNICATION SYSTEM AND COMMUNICATION METHOD 有权
标题翻译：基站装置，移动终端装置，通信系统和通信方法
公开(公告)号：US20140064244A1
公开(公告)日：2014-03-06
申请号：US14114442
申请日：2012-02-09
申请人： Yoshihisa Kishiyama , Kazuaki Takeda , Satoshi Nagata , Tetsushi Abe
发明人： Yoshihisa Kishiyama , Kazuaki Takeda , Satoshi Nagata , Tetsushi Abe
IPC分类号： H04W72/04
CPC分类号： H04W72/042 , H04L5/0007 , H04L5/0023 , H04L5/0041 , H04L5/0053
摘要： The present invention is designed to provide a base station apparatus, a mobile terminal apparatus, a communication system and a communication method that cope with the shortage of downlink control channel capacity. For a mobile terminal apparatus that receives downlink signals using a resource region for downlink control signals and a resource region for downlink data signals, a base station apparatus is configured to set a plurality of virtual to resources for downlink control signals in a plurality of physical resources that are arranged in a frequency direction in the resource region for downlink data signals, and allocate the downlink control signals, in a distributed manner, between virtual resources of a relatively low frequency band side and virtual resources of a relatively high frequency band side in a plurality of virtual resources.
摘要翻译：本发明旨在提供一种应对下行链路控制信道容量不足的基站装置，移动终端装置，通信系统和通信方法。对于使用用于下行链路控制信号的资源区域和下行链路数据信号的资源区域来接收下行链路信号的移动终端装置，基站装置被配置为在多个物理资源中设置用于下行链路控制信号的多个虚拟资源在下行链路数据信号的资源区域中沿频率方向排列，并且以相对低频带侧的虚拟资源和相对高频带侧的虚拟资源之间的分散方式分配下行链路控制信号多个虚拟资源。

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