公开(公告)号：US10009875B2

公开(公告)日：2018-06-26

申请号：US13816743

申请日：2011-08-16

申请人： Yoshihisa Kishiyama ,  Kazuaki Takeda

发明人： Yoshihisa Kishiyama ,  Kazuaki Takeda

IPC分类号： H04W4/00 ,  H04W72/02 ,  H04L1/18 ,  H04L1/00 ,  H04L5/00

CPC分类号： H04W72/02 ,  H04L1/0026 ,  H04L1/1861 ,  H04L1/1893 ,  H04L5/0055 ,  H04L5/0057

摘要： The present invention is directed to efficiently transmitting feedback control information in a physical uplink control channel in a communication system having a system band formed with a plurality of fundamental frequency blocks. The present invention has a demodulation section that demodulates downlink shared channel signals for each of a plurality of fundamental frequency blocks, a detection section that detects the state of a retransmission acknowledgement signal of each of the plurality of fundamental frequency blocks based on the demodulated downlink shared channel signals, and an uplink control channel processing section that maps the retransmission acknowledgement signals of the plurality of fundamental frequency blocks to an uplink control channel of a specific fundamental frequency block that is selected from the plurality of fundamental frequency blocks, and the uplink control channel processing section selects a plurality of allocated resources from the uplink control channel, and defines the states of the retransmission acknowledgement signals of the plurality of fundamental frequency blocks by bit information by phase shift modulation and channel selection information.

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。

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。

公开(公告)号：US09325443B2

公开(公告)日：2016-04-26

申请号：US13519895

申请日：2011-01-05

申请人： Yoshihisa Kishiyama ,  Kazuaki Takeda ,  Yusuke Ohwatari

发明人： Yoshihisa Kishiyama ,  Kazuaki Takeda ,  Yusuke Ohwatari

IPC分类号： H04J11/00 ,  H04L1/20 ,  H04W8/24 ,  H04W24/10 ,  H04W28/04 ,  H04W48/08 ,  H04W88/08 ,  H04L5/00

CPC分类号： H04J11/003 ,  H04J11/0026 ,  H04J11/0059 ,  H04L1/20 ,  H04L5/0023 ,  H04L5/0039 ,  H04L5/0051 ,  H04L5/0057 ,  H04L5/0073 ,  H04L5/0082 ,  H04W8/24 ,  H04W24/10 ,  H04W28/04 ,  H04W48/08 ,  H04W88/08

摘要： To provide a radio base station apparatus, mobile terminal device and wireless communication method for transmitting and receiving downlink channel quality measurement reference signals in consideration of interference estimation of high accuracy, in a wireless communication method of the invention, a radio base station apparatus generates channel quality measurement reference signals, and maps the channel quality measurement reference signals to two adjacent symbols, and a mobile terminal device receives a downlink signal including the channel quality measurement reference signals mapped to two adjacent symbols, and performs interfering power estimation using the channel quality measurement reference signals mapped to two adjacent symbols.

摘要翻译： 为了提供考虑到高精度的干扰估计来发送和接收下行链路质量测量参考信号的无线基站装置，移动终端装置和无线通信方法，在本发明的无线通信方法中，无线基站装置生成信道 质量测量参考信号，并将信道质量测量参考信号映射到两个相邻符号，并且移动终端设备接收包括映射到两个相邻符号的信道质量测量参考信号的下行链路信号，并且使用信道质量测量来执行干扰功率估计 参考信号映射到两个相邻的符号。

公开(公告)号：US09313014B2

公开(公告)日：2016-04-12

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： H04W72/00 ,  H04L5/00 ,  H04J11/00 ,  H04B7/02

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：US09232507B2

公开(公告)日：2016-01-05

申请号：US13988815

申请日：2011-10-03

申请人： Kazuaki Takeda ,  Naoto Ookubo ,  Tetsushi Abe ,  Yoshihisa Kishiyama

发明人： Kazuaki Takeda ,  Naoto Ookubo ,  Tetsushi Abe ,  Yoshihisa Kishiyama

IPC分类号： H04W4/00 ,  H04W72/04 ,  H04L1/16 ,  H04W76/04 ,  H04W88/08 ,  H04W72/00

CPC分类号： H04W72/0406 ,  H04L1/1692 ,  H04W72/00 ,  H04W76/28 ,  H04W88/08

摘要： To efficiently detect feedback control information on downlink shared data channel signals transmitted with a plurality of base frequency blocks also in the case of performing radio communications with a system band comprised of a plurality of base frequency blocks, it is a feature to have detecting sections (208, 210) configured to detect a correlation value between an ACK/NACK signal received in uplink and each of ACK/NACK candidate replicas associated with ACK and NACK in response to a downlink shared data channel signal of a particular base frequency block assigned to the mobile terminal apparatus among a plurality of base frequency blocks or of each of a plurality of base frequency blocks, and an A/N·DTX determining section (211) configured to determine feedback control information on the downlink shared data channel signal of the particular base frequency block or of each of the plurality of base frequency blocks, based on the detected correlation value and a DTX determination threshold value.

摘要翻译： 为了在与由多个基本频率块组成的系统频带进行无线电通信的情况下，还能够有效地检测与多个基本频率块一起发送的下行链路共享数据信道信号的反馈控制信息，所以具有检测部分 208,210），被配置为响应于分配给所述ACK / NACK候选副本的特定基本频率块的下行链路共享数据信道信号来检测在上行链路中接收的ACK / NACK信号与与ACK和NACK相关联的每个ACK / NACK候选副本之间的相关值 多个基本频率块或多个基本频率块中的每一个的移动终端装置和被配置为确定特定基站的下行链路共享数据信道信号的反馈控制信息的A / N·DTX判定部（211） 频率块或多个基本频率块中的每一个基于检测到的相关值和DTX确定t 阈值。

公开(公告)号：US09185724B2

公开(公告)日：2015-11-10

申请号：US13985053

申请日：2012-02-07

申请人： Kazuaki Takeda ,  Nobuhiko Miki

发明人： Kazuaki Takeda ,  Nobuhiko Miki

IPC分类号： H04W72/14 ,  H04L1/00 ,  H04L5/00 ,  H04W24/10

CPC分类号： H04W72/14 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/001 ,  H04L5/0057 ,  H04W24/10

摘要： The present invention is designed such that, when a user terminal performs radio communication using a plurality of serving cells of different component carriers, it is possible to flexibly report aperiodic channel state information of a serving cell required on the network side among the plurality of serving cells. A radio base station apparatus transmits an uplink scheduling grant, which includes an identification field that identifies an uplink serving cell where an uplink shared channel is allocated among a plurality of uplink serving cells and a request field that requests reporting of aperiodic channel state information from a user terminal, to the user terminal, via a downlink control channel, and the user terminal reports aperiodic channel state information of a downlink serving cell that is designated by a combination of the identification field and the request field, to the radio base station apparatus, via the uplink shared channel.

摘要翻译： 本发明被设计成当用户终端使用不同分量载波的多个服务小区进行无线电通信时，可以灵活地报告多个服务中网络侧所需的服务小区的非周期信道状态信息 细胞。 无线基站装置发送上行链路调度许可，其包括识别在多个上行链路服务小区中分配了上行链路共享信道的上行链路服务小区的标识字段和请求从非上行链路信道状态信息的报告的请求字段 用户终端经由下行链路控制信道发送到用户终端，用户终端向无线基站装置报告由识别字段和请求字段的组合指定的下行链路服务小区的非周期信道状态信息， 通过上行链路共享信道。

公开(公告)号：US09036592B2

公开(公告)日：2015-05-19

申请号：US13983219

申请日：2012-01-19

申请人： Kazuaki Takeda ,  Yoshihisa Kishiyama

发明人： Kazuaki Takeda ,  Yoshihisa Kishiyama

IPC分类号： H04W72/04 ,  H04L1/16 ,  H04L1/18 ,  H04L1/00

CPC分类号： H04W72/042 ,  H04L1/0073 ,  H04L1/1692 ,  H04L1/1861 ,  H04L1/1893

摘要： The present invention adequately controls feedback control information in uplink transmission in a system band formed with a plurality of CCs. The present invention provides a data information demodulation section, which demodulates downlink shared channel signals of CCs from a radio base station apparatus, a retransmission check section, which checks retransmission and outputs a retransmission acknowledgement signal in response to the downlink shared channel signal of each of the plurality of CCs, a control information demodulation section, which demodulates downlink control information and detects the number of transport blocks, and a channel selection control section, which, with reference to a mapping table in which combinations of retransmission acknowledgement signals for the downlink shared channel signals of the plurality of CCs are defined using a plurality of radio resources and phase modulation bit information, determines radio resources to use to transmit the retransmission acknowledgement signals from a radio resource of an uplink control channel of a specific CC, and changes the content of the mapping table according to the number of transport blocks of the specific fundamental frequency block.

摘要翻译： 本发明在形成有多个CC的系统频带中适当地控制上行链路传输中的反馈控制信息。 本发明提供了一种数据信息解调部分，其解调来自无线电基站装置的CC的下行链路共享信道信号，重发检查部分，其响应于每个的下行链路共享信道信号来检查重发并输出重传确认信号 多个CC，解调下行链路控制信息并检测传输块的数量的控制信息解调部分，以及信道选择控制部分，其参考其中下行链路共享的重传确认信号的组合的映射表 使用多个无线电资源和相位调制比特信息来定义多个CC的信道信号，确定用于从特定CC的上行链路控制信道的无线资源发送重发确认信号的无线资源，并改变内容 的映射表acco 转到特定基频块的传输块的数量。

公开(公告)号：US20140045497A1

公开(公告)日：2014-02-13

申请号：US14112170

申请日：2012-03-07

申请人： Tetsushi Abe ,  Mikio Iwamura ,  Kazuaki Takeda

发明人： Tetsushi Abe ,  Mikio Iwamura ,  Kazuaki Takeda

IPC分类号： H04W8/24

CPC分类号： H04W8/24 ,  H04L1/0067

摘要： A radio base station includes: a category acquisition unit configured to acquire one or more mobile station categories indicating capability of a mobile station with which to communicate; a category determination unit configured to determine a mobile station category to be applied to radio communications with the mobile station from the mobile station categories acquired by the category acquisition unit to correspond to one of parameters to be used in rate matching processing of the mobile station; and a category notification unit configured to notify the mobile station of the mobile station category determined by the category determination unit.

摘要翻译： 无线基站包括：类别获取单元，被配置为获取指示与之进行通信的移动站的能力的一个或多个移动站类别; 类别确定单元，被配置为从由类别获取单元获取的移动台类别中确定要应用于与移动站的无线电通信的移动台类别，以对应于要用于移动台的速率匹配处理的参数之一; 以及类别通知单元，被配置为向移动台通知由类别确定单元确定的移动台类别。