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。

公开(公告)号：US20130294277A1

公开(公告)日：2013-11-07

申请号：US13977751

申请日：2011-12-09

申请人： Satoshi Nagata ,  Tetsushi Abe

发明人： Satoshi Nagata ,  Tetsushi Abe

IPC分类号： H04W24/00 ,  H04W72/04

CPC分类号： H04L5/0073 ,  H04B17/309 ,  H04B17/382 ,  H04J11/005 ,  H04L5/0048 ,  H04L5/0057 ,  H04L5/0091 ,  H04W24/00 ,  H04W24/02 ,  H04W52/243 ,  H04W72/0446 ,  H04W72/082

摘要： Provided are a radio base station apparatus, a mobile terminal apparatus and a radio communication method capable of taking other-cell interference mitigation measures even in consideration of inter-cell coordination like CoMP. The radio communication method according to the present invention is characterized by, in a radio base station apparatus, generating notification information including subframe information of a serving cell and subframe information of another cell; and transmitting the notification information to a mobile terminal apparatus connected to the serving cell as a connected cell; and in the mobile terminal apparatus, receiving the notification information including the subframe information of the connected cell and the subframe information of another cell; and measuring channel quality of the connected cell with use of the subframe information of the connected cell and measuring channel quality of another cell with use of the subframe information of another cell.

摘要翻译： 提供了即使考虑到诸如CoMP之类的小区间协调的能够采取其他小区干扰减轻措施的无线电基站装置，移动终端装置和无线电通信方法。 根据本发明的无线通信方法的特征在于，在无线基站装置中，生成包括服务小区的子帧信息和其他小区的子帧信息的通知信息; 并将所述通知信息发送到与所述服务小区连接的移动终端装置作为连接小区; 并且在移动终端装置中，接收包括所连接小区的子帧信息和另一小区的子帧信息的通知信息; 以及使用所连接小区的子帧信息测量所连接的小区的信道质量，并且利用另一小区的子帧信息测量另一小区的信道质量。

公开(公告)号：US09392520B2

公开(公告)日：2016-07-12

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 ,  H04W48/08 ,  H04L5/00 ,  H04W72/04 ,  H04W88/08

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。

公开(公告)号：US09037076B2

公开(公告)日：2015-05-19

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 ,  H04W84/04 ,  H04B7/155 ,  H04W24/00 ,  H04W88/08

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。

公开(公告)号：US20140140316A1

公开(公告)日：2014-05-22

申请号：US14234438

申请日：2012-07-26

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： H04L5/0091 ,  H04B7/024 ,  H04J11/0053 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0053

摘要： The present invention is designed to apply CoMP transmission/reception flexibly in a system band that is formed with a plurality of fundamental frequency blocks, improve received quality in user terminals, and also widen the system band. A first radio base station apparatus (20A) that transmits downlink data to a user terminal (10) using a plurality of cells that respectively correspond to fundamental frequency blocks of varying frequency bands, and a second radio base station apparatus (20B) that transmits downlink data to the user terminal (10) using a cell that corresponds to fundamental frequency block of the same frequency band as one of a plurality of cells are provided, and the first radio base station apparatus (20A) and the second radio base station apparatus (20B) perform coordinated multiple-point transmission for the user terminal 10 between cells corresponding to the same fundamental frequency block, and also report information about the combination of cells that perform the coordinated multiple-point transmission to the user terminal (10).

摘要翻译： 本发明被设计为在形成有多个基本频率块的系统频带中灵活地应用CoMP发送/接收，提高用户终端的接收质量，并且还扩大系统频带。 第一无线基站装置（20A），其使用分别对应于变化频带的基本频率块的多个小区向下一个用户终端（10）发送下行链路数据;以及第二无线基站装置（20B），其向下行链路 提供使用与多个小区中的一个相同频带的基本频率块对应的小区向用户终端（10）发送的数据，第一无线基站装置（20A）和第二无线基站装置 20B）在对应于同一基本频率块的小区之间对用户终端10执行协调的多点传输，并且还向用户终端（10）报告关于执行协调多点传输的小区的组合的信息。

公开(公告)号：US20140133434A1

公开(公告)日：2014-05-15

申请号：US14130710

申请日：2012-07-13

申请人： Kazuaki Takeda ,  Tetsushi Abe ,  Yoshihisa Kishiyama ,  Satoshi Nagata ,  Daisuke Nishikawa

发明人： Kazuaki Takeda ,  Tetsushi Abe ,  Yoshihisa Kishiyama ,  Satoshi Nagata ,  Daisuke Nishikawa

IPC分类号： H04L5/00 ,  H04B7/04

CPC分类号： H04L5/0053 ,  H04B7/0452 ,  H04L5/0007 ,  H04W72/042

摘要： The present invention is designed to minimize the increase of user terminal power consumption even when downlink control channels are extended. A radio base station apparatus having: an allocation section that allocates downlink control information in a first control region from a top of a radio frame to a predetermined OFDM symbol and in a second control region that is frequency-divided with a data region in a region that is time-divided with the first control region, and also allocates decoding control information that indicates a user terminal to perform a decoding process for the second control region, in the first control region; and a transmission section that transmits the downlink control information and the decoding control information; and a user terminal having: a receiving section that receives the downlink control information and the decoding control information from the radio base station apparatus; and a decoding section that controls the decoding process for the second control region based on the decoding control information received, are provided.

摘要翻译： 本发明被设计成即使当下行链路控制信道被扩展时也最小化用户终端功耗的增加。 一种无线基站装置，具有：分配部，其从无线帧的顶部到预定的OFDM符号的第一控制区域中分配下行链路控制信息，并且在与区域中的数据区域分频的第二控制区域中 并且在第一控制区域中分配指示用户终端对第二控制区域进行解码处理的解码控制信息， 以及发送部，其发送下行链路控制信息和解码控制信息; 以及用户终端，具有：接收部，其从所述无线基站装置接收所述下行控制信息和所述解码控制信息; 以及解码部，其基于接收到的解码控制信息来控制对第二控制区域的解码处理。

公开(公告)号：US20140112253A1

公开(公告)日：2014-04-24

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

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.

摘要翻译： 为了使移动终端装置在应用协调多点传输（CoMP），特别是JP-CoMP的情况下正确解调数据信号，本发明的无线通信方法的特征在于，无线基站装置生成信息 用于在应用协调多点传输的移动终端装置中对数据信号进行解调，并将该解调信息发送到执行协调多点接收的移动终端设备，并且移动终端设备接收解调信息 数据信号，并且使用用于解调的信息来解调经过协调多点接收的数据信号。

公开(公告)号：US20130322392A1

公开(公告)日：2013-12-05

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： H04W16/14

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。

公开(公告)号：US09716578B2

公开(公告)日：2017-07-25

申请号：US14130710

申请日：2012-07-13

申请人： Kazuaki Takeda ,  Tetsushi Abe ,  Yoshihisa Kishiyama ,  Satoshi Nagata ,  Daisuke Nishikawa

发明人： Kazuaki Takeda ,  Tetsushi Abe ,  Yoshihisa Kishiyama ,  Satoshi Nagata ,  Daisuke Nishikawa

IPC分类号： H04W4/00 ,  H04L5/00 ,  H04B7/0452 ,  H04W72/04

CPC分类号： H04L5/0053 ,  H04B7/0452 ,  H04L5/0007 ,  H04W72/042

摘要： The present invention is designed to minimize the increase of user terminal power consumption even when downlink control channels are extended. A radio base station apparatus having: an allocation section that allocates downlink control information in a first control region from a top of a radio frame to a predetermined OFDM symbol and in a second control region that is frequency-divided with a data region in a region that is time-divided with the first control region, and also allocates decoding control information that indicates a user terminal to perform a decoding process for the second control region, in the first control region; and a transmission section that transmits the downlink control information and the decoding control information; and a user terminal having: a receiving section that receives the downlink control information and the decoding control information from the radio base station apparatus; and a decoding section that controls the decoding process for the second control region based on the decoding control information received, are provided.

公开(公告)号：US09467989B2

公开(公告)日：2016-10-11

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 ,  H04L5/00

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 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以频率方向配置，并且以分散的方式在多个频带侧的虚拟资源和相对高频带侧的虚拟资源之间分配下行链路控制信号 的虚拟资源。