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91. 发明授权

US09743384B2 Base station apparatus, mobile terminal apparatus and communication control method 有权
公开(公告)号：US09743384B2
公开(公告)日：2017-08-22
申请号：US13877175
申请日：2011-10-03
申请人： Satoshi Nagata , Yusuke Ohwatari , Tetsushi Abe , Nobuhiko Miki
发明人： Satoshi Nagata , Yusuke Ohwatari , Tetsushi Abe , Nobuhiko Miki
IPC分类号： H04W72/04 , H04W24/10 , H04L5/00 , H04W72/12
CPC分类号： H04W72/04 , H04L5/0048 , H04L5/0091 , H04W24/10 , H04W72/12
摘要： The present invention provides a base station apparatus, a mobile terminal apparatus and a communication control method which can improve the accuracy of channel quality estimation. A communication control method includes the steps of: allocating a CSI-RS (Channel State Information-Reference Signal), which is a reference signal for downlink channel estimation, in resources for the CSI-RS that are defined for CSI-RS transmission; setting muting resources in the resources for the CSI-RS; and reporting parameters to specify the CSI-RS, including at least a transmitting subframe cycle, a subframe offset and transmission power, to a mobile terminal apparatus.

92. 发明授权

US09326154B2 Micro base station, user terminal and radio communication method 有权
标题翻译：微基站，用户终端和无线电通信方式
公开(公告)号：US09326154B2
公开(公告)日：2016-04-26
申请号：US13985337
申请日：2012-02-13
申请人： Tetsushi Abe , Satoshi Nagata , Kazuaki Takeda
发明人： Tetsushi Abe , Satoshi Nagata , Kazuaki Takeda
IPC分类号： H04B7/216 , H04B7/208 , H04W4/00 , H04W16/14 , H04L5/00 , H04W28/04 , H04W72/12 , H04J11/00 , H04W88/08 , H04W24/10 , H04W16/32
CPC分类号： H04W72/042 , H04J11/0056 , H04L1/1812 , H04L5/00 , H04L5/0007 , H04L5/0035 , H04L5/0053 , H04L5/0073 , H04L5/0091 , H04W16/14 , H04W16/32 , H04W24/10 , H04W28/04 , H04W48/10 , H04W48/12 , H04W72/1226 , H04W88/08 , Y02D70/1262 , Y02D70/1264 , Y02D70/25
摘要： The present invention is designed to reduce interference from a macro base station to a small transmission power node. The present invention is characterized in providing a micro base station which forms, in a macro cell where a macro base station transmits a signal to a macro terminal, a micro cell where the micro base station transmits a signal to a micro terminal under control with low power, and this micro base station generates a PDCCH which includes downlink or uplink resource allocation information, and, in a non-transmission period in which the macro base station stops transmitting signals while leaving minimal quality measurement signals, shifts the transmission starting symbol of the PDCCH to a position where the PDCCH does not overlap the quality measurement signals.
摘要翻译：本发明旨在减少从宏基站到小型发射功率节点的干扰。本发明的特征在于提供一种微型基站，其在宏基站向宏终端发送信号的宏小区中形成微小区，其中微基站在微控制器下传输信号到低端并且该微基站生成包括下行链路或上行链路资源分配信息的PDCCH，并且在宏基站停止发送信号同时留下最小质量测量信号的非发送周期中，将发送开始符号 PDCCH到PDCCH不与质量测量信号重叠的位置。

93. 发明授权

US09258825B2 Base station apparatus, mobile terminal apparatus and communication control method 有权
标题翻译：基站装置，移动终端装置及通信控制方法
公开(公告)号：US09258825B2
公开(公告)日：2016-02-09
申请号：US13985355
申请日：2012-02-13
申请人： Tetsushi Abe , Satoshi Nagata , Mikio Iwamura
发明人： Tetsushi Abe , Satoshi Nagata , Mikio Iwamura
IPC分类号： H04W72/08 , H04L5/00 , H04W24/10 , H04L25/02
CPC分类号： H04W72/085 , H04L5/0023 , H04L5/0048 , H04L5/0053 , H04L5/0062 , H04L5/0073 , H04L5/0091 , H04L5/0098 , H04L25/0204 , H04W24/10
摘要： The present invention makes it possible to transmit and receive CSI-RSs adequately even when the number of CSI-RSs increase following the increase of antennas. The present invention provides a base station apparatus (20) that transmits CSI-RSs to a mobile terminal apparatus (10A) which is capable of receiving CSI-RSs for channel state measurement from a plurality of antennas, and to a mobile terminal apparatus (10B) which is capable of receiving CSI-RSs from a smaller number of antennas than the mobile terminal apparatus, and this base station apparatus has a CSI-RS allocation section (211) which allocates CSI-RSs for the number of antennas which the mobile terminal apparatus (10A) supports, to radio resources, and a transmitting/receiving section which reports, to the mobile terminal apparatus (10A), the resources where the CSI-RSs are allocated, and which, upon reporting the resources where CSI-RSs are allocated, to the mobile terminal apparatus (10B), reports part of the resources as resources to be muted.
摘要翻译：即使CSI-RS的数量随着天线的增加而增加，本发明也可以适当地发送和接收CSI-RS。本发明提供一种向能够从多个天线接收用于信道状态测量的CSI-RS的移动终端装置（10A）向移动终端装置（10B）发送CSI-RS的基站装置（20）），其能够从比移动终端装置更少数量的天线接收CSI-RS，并且该基站装置具有CSI-RS分配部（211），CSI-RS分配部（211）为移动终端对无线电资源支持装置（10A）以及向移动终端装置（10A）报告分配了CSI-RS的资源的发送/接收部分，并且在报告CSI-RS的资源分配给移动终端装置（10B），将部分资源报告为要静音的资源。

94. 发明授权

US09173123B2 Base station apparatus, mobile terminal apparatus and communication control method 有权
标题翻译：基站装置，移动终端装置及通信控制方法
公开(公告)号：US09173123B2
公开(公告)日：2015-10-27
申请号：US13877178
申请日：2011-10-03
申请人： Nobuhiko Miki , Tetsushi Abe , Yusuke Ohwatari , Satoshi Nagata
发明人： Nobuhiko Miki , Tetsushi Abe , Yusuke Ohwatari , Satoshi Nagata
IPC分类号： H04W24/10 , H04L1/00 , H04J11/00 , H04W24/02 , H04L5/00 , H04B17/309 , H04W76/04 , H04W72/12
CPC分类号： H04W24/10 , H04B17/309 , H04J11/005 , H04L1/0026 , H04L5/0053 , H04W24/02 , H04W72/12 , H04W76/28
摘要： The present invention provides a base station apparatus, a mobile terminal apparatus and a communication control method which can improve the accuracy of channel quality estimation. A communication control method includes the steps of: arranging a CSI-RS, which is a reference signal for downlink channel estimation, in resources of subframes for CSI-RS transmission; setting, in the subframes for CSI-RS transmission, resources to which the CSI-RS is allocated in neighboring areas, to be muting resources; and reporting transmission interval information, which indicates a transmission interval of subframes that are set at the same timing in a transmission cycle of a subframe for CSI-RS transmission in a subject area and in a transmission cycle of a subframe for CSI-RS transmission in the neighboring areas, to a mobile terminal apparatus.
摘要翻译：本发明提供一种提高信道质量估计精度的基站装置，移动终端装置和通信控制方法。通信控制方法包括以下步骤：将作为下行链路信道估计的参考信号的CSI-RS布置在用于CSI-RS传输的子帧的资源中; 在CSI-RS传输的子帧中，将CSI-RS分配给相邻区域的资源设置为静噪资源; 并且报告发送间隔信息，其指示在用于对象区域中的CSI-RS传输的子帧的发送周期中以及用于CSI-RS传输的子帧的发送周期中在相同定时设置的子帧的发送间隔相邻区域，移动终端装置。

95. 发明申请

US20140307648A1 RADIO COMMUNICATION SYSTEM, RADIO BASE STATION APPARATUS, USER TERMINAL AND RADIO COMMUNICATION METHOD 审中-公开
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：US20140307648A1
公开(公告)日：2014-10-16
申请号：US14238433
申请日：2012-08-14
申请人： Satoshi Nagata , Tetsushi Abe , Nobuhiko Miki , Xiaoming She
发明人： Satoshi Nagata , Tetsushi Abe , Nobuhiko Miki , Xiaoming She
IPC分类号： H04W72/04 , H04W72/08
CPC分类号： H04W72/0413 , H04B7/024 , H04B7/0456 , H04B7/0632 , H04B7/0639 , H04L1/20 , H04L5/0035 , H04L5/0057 , H04L5/0073 , H04L5/0092 , H04W16/32 , H04W52/244 , H04W52/40 , H04W72/082 , H04W72/085 , H04W84/045
摘要： The present invention is designed to reduce the influence of performance deterioration due to interference when CoMP transmission is adopted in a heterogeneous network. A user terminal measures the first reception quality in the first transmission period when a macro base station performs no transmission or reduces transmission power, and second reception quality in a second transmission period when the macro base station and low power nodes perform transmission, and transmits an uplink signal including the first reception quality and the second reception quality, to the macro base station, and the macro base station receives the uplink signal including the first reception quality and the second reception quality, and, when performing the coordinated multiple-point transmission, allocates radio resources for a user terminal that is located on an edge of a coordinated area in the first transmission period, based on the first reception quality and the second reception quality.
摘要翻译：本发明旨在减少在异构网络中采用CoMP传输时由于干扰导致的性能恶化的影响。当宏基站不执行传输或降低发送功率时，用户终端在第一发送周期中测量第一接收质量，在宏基站和低功率节点进行发送的第二发送周期中，测量第一接收质量，并发送包括第一接收质量和第二接收质量的上行链路信号提供给宏基站，并且宏基站接收包括第一接收质量和第二接收质量的上行链路信号，并且当执行协调多点传输时，基于第一接收质量和第二接收质量，在第一发送周期中为位于协调区域的边缘的用户终端分配无线电资源。

96. 发明申请

US20140003271A1 BASE STATION APPARATUS, MOBILE TERMINAL APPARATUS AND COMMUNICATION CONTROL METHOD 有权
标题翻译：基站装置，移动终端装置和通信控制方法
公开(公告)号：US20140003271A1
公开(公告)日：2014-01-02
申请号：US13995986
申请日：2011-12-21
申请人： Tetsushi Abe , Satoshi Nagata
发明人： Tetsushi Abe , Satoshi Nagata
IPC分类号： H04W36/30
CPC分类号： H04W36/30 , H04L5/0023 , H04L5/0048 , H04L5/0094 , H04W48/08 , H04W72/04 , H04W88/08
摘要： The present invention is designed to transmit and receive reference signals adequately even when the abundance ratio of reference signals in a predetermined period is increased. The present invention provides a base station apparatus that transmits CSI-RSs to the first mobile terminal apparatus which can receive CSI-RSs and to a second mobile terminal apparatus which can receive CSI-RSs that are set in a predetermined period at a lower abundance ratio than the first mobile terminal apparatus, and this base station apparatus allocates CSI-RSs to CSI-RS resource which can be muted at an abundance ratio which allows the first mobile terminal apparatus reception, reports the resources where CSI-RSs are allocated to the first mobile terminal apparatus, and, upon reporting the resources where CSI-RSs are allocated to the second mobile terminal apparatus, reports part of the resources as muted resources.
摘要翻译：本发明被设计为即使当预定时间段中的参考信号的丰度比增加时也能充分地发送和接收参考信号。本发明提供一种向能够接收CSI-RS的第一移动终端装置发送CSI-RS的基站装置以及能够以较低丰度比率接收在规定期间内设定的CSI-RS的第二移动终端装置并且该基站装置将CSI-RS分配给可以以允许第一移动终端装置接收的丰度比进行静音的CSI-RS资源，将CSI-RS分配给第一移动终端装置的资源报告给第一移动终端装置移动终端装置，在向第二移动终端装置报告分配了CSI-RS的资源时，将部分资源报告为静态资源。

97. 发明申请

US20130343270A1 NOTIFICATION METHOD, USER TERMINAL AND RADIO BASE STATION 有权
标题翻译：通知方式，用户终端和无线基站
公开(公告)号：US20130343270A1
公开(公告)日：2013-12-26
申请号：US13883356
申请日：2011-11-08
申请人： Tetsushi Abe , Mikio Iwamura , Hideaki Takahashi , Hiroyuki Ishii , Satoshi Nagata , Naoto Ookubo , Nobuhiko Miki , Anil Umesh
发明人： Tetsushi Abe , Mikio Iwamura , Hideaki Takahashi , Hiroyuki Ishii , Satoshi Nagata , Naoto Ookubo , Nobuhiko Miki , Anil Umesh
IPC分类号： H04W36/00
CPC分类号： H04W36/0005 , H04W36/04 , H04W48/12 , H04W68/005 , H04W84/045
摘要： In order to assure reception of broadcast information by a user terminal handed over to a micro base station by CRE (Cell Range Expansion) and to reduce the number of transmission stopped subframes in a macro base station, the present invention provides a notification method for a user terminal to receive modification notification information for notifying modification in system information from the micro base station, the notification method including: the macro base station notifying the micro base station of a subframe pattern including a protection subframe to protect the modification notification information every a plurality of radio frames; and the micro base station notifying the user terminal of identification information of the protection subframe in the subframe pattern.
摘要翻译：为了确保通过CRE（小区范围扩展）移交给微基站的用户终端的广播信息的接收，并且减少宏基站中的发送停止子帧的数量，本发明提供了一种通知方法，用户终端接收用于通知来自微基站的系统信息修改的修改通知信息，所述通知方法包括：所述宏基站通知所述微基站包括保护子帧的子帧模式，以保护所述修改通知信息，每个多个无线电帧; 并且所述微基站向所述用户终端通知所述子帧模式中的所述保护子帧的识别信息。

98. 发明申请

US20130336270A1 RADIO BASE STATION APPARATUS, USER TERMINAL AND RADIO COMMUNICATION METHOD 有权
标题翻译：无线基站设备，用户终端和无线电通信方法
公开(公告)号：US20130336270A1
公开(公告)日：2013-12-19
申请号：US13977933
申请日：2012-01-05
申请人： Satoshi Nagata , Tetsushi Abe , Nobuhiko Miki , Yuuya Saitou
发明人： Satoshi Nagata , Tetsushi Abe , Nobuhiko Miki , Yuuya Saitou
IPC分类号： H04W72/08
CPC分类号： H04W72/082 , H04W16/28 , H04W16/32 , H04W72/046 , H04W84/045
摘要： To effectively improve the reception quality in a pico-base station, while preventing throughput of a macro-base station from significantly deteriorating, a macro-base station (M-BS) is provided with a beam generating section (35) that generates a directional beam to a macro-UE using antenna weights based on a beampattern assigned to the macro-UE existing in a macro-cell having a first coverage area, and a coordination section (36) that determines a beam pattern so that a beam pattern to the macro-UE existing in the macro-cell is a beam pattern that suppresses interference power to a pico-UE existing in a pico-cell, in assigning the beam pattern to the macro-UE existing in the macro-cell during a transmission period assigned to a pico-base station (P-BS) locally forming the pico-cell in the macro-cell.
摘要翻译：为了有效地提高微型基站中的接收质量，在防止宏基站的吞吐量显着劣化的同时，宏基站（M-BS）设置有生成方向的波束产生部分（35）使用基于分配给具有第一覆盖区域的宏小区中的存在于宏小区中的宏小区的波束形式的天线权重的波束到宏小区，以及协调部（36），其确定波束图案，使得对存在于宏小区中的宏UE是在存在于微小区中的pico-UE的干扰功率的波束图案中，在分配的发送周期内将波束模式分配给存在于宏小区中的宏UE 到在宏小区中局部形成微微小区的微微基站（P-BS）。

99. 发明申请

US20130279358A1 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：US20130279358A1
公开(公告)日：2013-10-24
申请号：US13883300
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： H04W24/02
CPC分类号： H04W24/02 , H04L1/0026 , H04L1/007 , H04L1/0077 , H04L1/1812 , H04W24/10 , H04W28/04 , H04W84/045
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 lower cell, in which a protected subframe, the transmission of which by a higher cell is suppressed, and a non-protected subframe, the transmission of which by the higher cell is not suppressed, coexist, a measurement section (112) that measures reception quality from reference signals multiplexed individually on the protected subframe and the non-protected subframe, a feedback information reduction section (114) that calculates a difference value between the reception quality of the protected subframe and the reception quality of the non-protected subframe, and a transmission section (103) that reports reception quality information of the protected subframe, and the difference value calculated in the feedback information reduction section (114), 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），其接收下位单元的无线帧，其中受保护的子帧（其被较高小区的传输被抑制）和非保护子帧，较高的单元不被抑制，并存，用于根据在保护的子帧和非保护子帧上单独复用的参考信号来测量接收质量的测量部分（112），反馈信息减少部分（114），其计算接收之间的差值保护子帧的质量和非保护子帧的接收质量，以及报告保护子帧的接收质量信息的发送部（103）以及反馈信息减少部（114）中计算出的差值。基站装置（20B）。

100. 发明申请

US20130109297A1 RADIO RELAY STATION APPARATUS AND RADIO RELAY METHOD 有权
标题翻译：无线电继电器装置和无线电继电器方法
公开(公告)号：US20130109297A1
公开(公告)日：2013-05-02
申请号：US13703375
申请日：2011-06-15
申请人： Satoshi Nagata , Tetsushi Abe
发明人： Satoshi Nagata , Tetsushi Abe
IPC分类号： H04B7/14
CPC分类号： H04B7/14 , H04B7/15528 , H04W24/00 , H04W84/047 , H04W88/085
摘要： To provide a radio relay station apparatus and radio relay method for enabling the radio relay station apparatus to identify a multi-hop relay signal and relay a downlink signal suitably, a first radio relay station apparatus or a radio base station apparatus generates a control signal indicative of passing through a radio relay station apparatus, and transmits the control signal in downlink, and a second radio relay station apparatus receives the control signal, demodulates a downlink signal based on the control signal, modulates the demodulated downlink signal, and transmits the modulated downlink signal.
摘要翻译：为了提供一种使无线中继站装置能够识别多跳中继信号并适当地中继下行链路信号的无线中继站装置和无线中继方法，第一无线中继站装置或无线基站装置生成指示通过无线中继站装置，在下行链路中发送控制信号，第二无线中继站装置接收控制信号，根据控制信号对下行链路信号进行解调，对解调下行链路信号进行调制，发送调制后的下行链路信号。

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