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31. 发明申请

US20130208650A1 RELAY TRANSMISSION METHOD, RELAY STATION AND RADIO BASE STATION 审中-公开
标题翻译：继电器传输方法，继电器和无线电基站
公开(公告)号：US20130208650A1
公开(公告)日：2013-08-15
申请号：US13816739
申请日：2011-08-11
申请人： Satoshi Nagata , Tetsushi Abe
发明人： Satoshi Nagata , Tetsushi Abe
IPC分类号： H04W16/26
CPC分类号： H04W16/26 , H04B7/15542 , H04W84/047
摘要： Provided is a radio communication system using a relay transmission technique capable of optimizing use of radio resources in a radio base station and preventing reduction in capacity of the whole system. The relay frequency allocation method of the present invention has the steps of: radio base stations (10a) and (10b) transmitting downlink data to a relay station (30) using respective backhaul links established between the relay station (30) and the radio base stations (10a) and (10b); and the relay station (30) transmitting the downlink data received from the radio base stations (10a) and (10b), to a relay terminal (20b) by using an access link established between the relay station (30) and the relay terminal (20b).
摘要翻译：提供一种使用能够优化无线基站中的无线资源的使用的中继传输技术的无线通信系统，并且防止整个系统的容量的降低。本发明的中继频率分配方法具有以下步骤：无线基站（10a）和（10b）使用在所述中继站（30）和所述无线基站之间建立的各自的回程链路向中继站（30）发送下行链路数据站（10a）和（10b）; 以及所述中继站（30）通过使用在所述中继站（30）和所述中继站（30）之间建立的接入链路，将从所述无线基站（10a）和（10b）接收到的下行链路数据发送到中继终端 20b）。

32. 发明申请

US20130102307A1 RADIO BASE STATION APPARATUS, MOBILE TERMINAL DEVICE, AND CELL SELECTING METHOD 审中-公开
标题翻译：无线基站设备，移动终端设备和小区选择方法
公开(公告)号：US20130102307A1
公开(公告)日：2013-04-25
申请号：US13261457
申请日：2011-03-30
申请人： Satoshi Nagata , Sangiamwong Jaturong , Tetsushi Abe , Nobuhiko Miki , Yasufumi Morioka
发明人： Satoshi Nagata , Sangiamwong Jaturong , Tetsushi Abe , Nobuhiko Miki , Yasufumi Morioka
IPC分类号： H04W48/20
CPC分类号： H04W48/20 , H04B7/2606 , H04W24/10 , H04W84/047
摘要： To provide a cell selecting method in which an optimal cell can be selected in the case of relay transmission. The cell selecting method includes: in a radio base station apparatus, determining a specified sub-frame including data for measuring reception quality in a mobile terminal device; and in a mobile terminal device, measuring first reception quality using a reference signal of the specified sub-frame transmitted from the radio base station apparatus and second reception quality using a reference signal of the specified sub-frame transmitted from the radio base station apparatus through a radio relay station apparatus, and transmitting the first reception quality and the second reception quality to the radio base station apparatus; and in the radio base station apparatus, selecting a cell to which the mobile terminal device is connected using the first reception quality and the second reception quality, and transmitting information on the selected cell to the mobile terminal device.
摘要翻译：提供一种小区选择方法，其中在中继传输的情况下可以选择最佳小区。小区选择方法包括：在无线基站装置中，确定包括用于测量移动终端装置中的接收质量的数据的指定子帧; 并且在移动终端装置中，使用从无线基站装置发送的指定子帧的参考信号和使用从无线基站装置发送的指定子帧的参考信号的第二接收质量来测量第一接收质量，无线中继站装置，向无线基站装置发送第一接收质量和第二接收质量; 并且在无线基站装置中，使用第一接收质量和第二接收质量来选择与移动终端装置连接的小区，并且向所述移动终端装置发送关于所选择的小区的信息。

33. 发明申请

US20130094433A1 RADIO RELAY STATION APPARATUS AND MOBILE TERMINAL APPARATUS 审中-公开
标题翻译：无线电继电器设备和移动终端设备
公开(公告)号：US20130094433A1
公开(公告)日：2013-04-18
申请号：US13703377
申请日：2011-06-15
申请人： Satoshi Nagata , Tetsushi Abe
发明人： Satoshi Nagata , Tetsushi Abe
IPC分类号： H04W52/46
CPC分类号： H04W52/46 , H04B7/15542 , H04W24/10 , H04W52/346 , H04W84/047
摘要： A radio relay station apparatus and a mobile terminal apparatus that, even if a radio relay station apparatus is provided, can reduce the amount of interference from the radio relay station apparatus and increase the throughput, are provided. The radio relay station apparatus of the present invention decides the number of mobile terminal apparatuses under the subject cell and controls transmission power based on this number of mobile terminal apparatuses, or measures the received power of the signal from another radio relay station apparatus or a radio base station apparatus and controls transmission power based on this received power.
摘要翻译：即使设置了无线中继站装置，也能够减少来自无线中继站装置的干扰量，提高吞吐量的无线中继站装置和移动终端装置。本发明的无线电中继站装置根据该数量的移动终端装置决定被摄体小区内的移动终端装置的数量，控制发送功率，或者测定来自另一无线中继站装置或无线电的信号的接收功率基站装置，并基于该接收功率来控制发送功率。

34. 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.

35. 发明授权

US09716578B2 User terminal, radio base station apparatus, radio communication system and radio communication method 有权
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.

36. 发明授权

US09467989B2 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，通信系统及通信方式
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。

37. 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。

38. 发明授权

US09313014B2 Radio communication system, radio communication method, radio base station apparatus and user terminal 有权
标题翻译：无线通信系统，无线通信方式，无线基站装置和用户终端
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。

39. 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。

40. 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。

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