公开(公告)号：US08983485B2

公开(公告)日：2015-03-17

申请号：US13881486

申请日：2011-09-22

申请人： Anass Benjebbour ,  Satoshi Nagata

发明人： Anass Benjebbour ,  Satoshi Nagata

IPC分类号： H04W88/02 ,  H04W72/08 ,  H04W16/02 ,  H04L5/00 ,  H04W16/24

CPC分类号： H04W72/085 ,  H04L5/001 ,  H04L5/0035 ,  H04L5/0037 ,  H04L5/006 ,  H04L5/0071 ,  H04L5/0092 ,  H04W16/02 ,  H04W16/24 ,  H04W72/08

摘要： To provide a base station apparatus, mobile terminal apparatus and scheduling method for enabling fairness of user throughput to be improved, a scheduling method is characterized by having the steps of notifying a mobile terminal apparatus of allocation information of radio resources to each cluster pattern with a plurality of cluster patterns comprised of clusters formed of a plurality of adjacent sectors predefined and with different radio resources allocated for each of the cluster patterns, receiving channel information•channel quality information corresponding to each of the cluster patterns for each of the radio resources from the mobile terminal apparatus, and controlling allocation of the radio resources to the mobile terminal apparatus, based on the channel information•channel quality information, where at least one of the cluster patterns is a coordinated cluster pattern to perform coordinated transmission between adjacent sectors in a cluster.

摘要翻译： 为了提供能够提高用户吞吐量的公平性的基站装置，移动终端装置和调度方法，调度方法的特征在于具有以下步骤：向移动终端装置通知具有无线资源的分配信息给每个簇模式 由预定义的多个相邻扇区形成的簇和由为每个簇模式分配的不同无线电资源组成的簇的多个簇模式;接收信道信息;对应于每个无线资源的每个簇模式的信道质量信息， 移动终端装置，以及基于信道信息控制向无线终端装置分配无线电资源的信道质量信息，其中至少一个集群模式是协调集群模式，以在集群中的相邻扇区之间执行协调传输 。

公开(公告)号：US20140307576A1

公开(公告)日：2014-10-16

申请号：US14355320

申请日：2012-07-31

申请人： Satoshi Nagata ,  Yoshihisa Kishiyama ,  Anass Benjebbour ,  Wei Xi

发明人： Satoshi Nagata ,  Yoshihisa Kishiyama ,  Anass Benjebbour ,  Wei Xi

IPC分类号： H04W24/02 ,  H04W72/04

CPC分类号： H04W24/02 ,  H04B17/345 ,  H04J1/00 ,  H04J11/00 ,  H04L1/0001 ,  H04L1/0026 ,  H04L1/0027 ,  H04L1/20 ,  H04L5/0051 ,  H04L5/0094 ,  H04W72/0473

摘要： To increase the number of CSI-RSs for interference measurement to improve interference measurement accuracy, a first reference signal for channel state measurement and a second reference signal for interference measurement are assigned to reference signal resources defined for transmission of the first reference signal, and a mobile terminal apparatus that supports both the first reference signal and the second reference signal is notified of pattern information to identify an assignment pattern of the first reference signal and the second reference signal. A second mobile terminal apparatus that supports the first reference signal and that does not support the second reference signal is notified of pattern information to identify an assignment pattern of the first reference signal, and of assignment information indicating that resources assigned the second reference signal are assigned a third reference signal of zero power for channel state measurement.

摘要翻译： 为了增加用于干扰测量的CSI-RS的数量以改善干扰测量精度，将用于信道状态测量的第一参考信号和用于干扰测量的第二参考信号分配给用于传输第一参考信号的参考信号资源，以及 通知支持第一参考信号和第二参考信号的移动终端装置，以识别图形信息，以识别第一参考信号和第二参考信号的分配模式。 通知支持第一参考信号并且不支持第二参考信号的第二移动终端设备，用于识别第一参考信号的分配模式的模式信息，以及指示分配给第二参考信号的资源的分配信息被分配 用于通道状态测量的零功率的第三参考信号。

公开(公告)号：US20140133419A1

公开(公告)日：2014-05-15

申请号：US14117686

申请日：2012-05-10

申请人： Satoshi Nagata ,  Yu Jiang ,  Jing Wang ,  Xiaoming She ,  Lan Chen

发明人： Satoshi Nagata ,  Yu Jiang ,  Jing Wang ,  Xiaoming She ,  Lan Chen

IPC分类号： H04L5/00

CPC分类号： H04L5/0073 ,  H04W52/244 ,  H04W72/1257

摘要： Provided are a method for coordinating inter-cell interference in a radio network, a transmission point and the radio network. The method includes: a step A of a normal base station performing scheduling based on feedback information of users of the normal base station and obtain a user scheduling result of the normal base station including a parameter about actual transmission characteristics of the normal base station; a step B of the normal base station obtaining a performance estimating parameter including a parameter about actual transmission characteristics of each of the one or plurality of low-power base stations for both cases of normal base station without transmission and normal base station with transmission; a step C of the normal base station using the performance estimating parameter and the user scheduling result of the normal base station as a basis to determine weighting throughputs of all transmission points for the case of normal base station without transmission and weighting throughputs of all the transmission points for the case of normal base station with transmission; and a step D of the normal base station comparing the weighting throughputs of all the transmission points, obtaining a transmission determination result and performing data transmission based on the transmission determination result.

摘要翻译： 提供了一种用于协调无线电网络，传输点和无线电网络中的小区间干扰的方法。 该方法包括：正常基站的步骤A，基于正常基站的用户的反馈信息进行调度，获取正常基站的用户调度结果，该结果包括关于正常基站的实际传输特性的参数; 正常基站的步骤B获得包括一个或多个低功率基站中的每个低功率基站的实际传输特性的参数的性能估计参数，用于无传输的普通基站和正常基站的传输; 使用性能估计参数和正常基站的用户调度结果的正常基站的步骤C作为基础来确定在没有传输的情况下的所有发送点的所有发送点的加权吞吐量，以及所有传输的加权吞吐量 正常基站传输点数; 以及正常基站的步骤D，比较所有传输点的加权吞吐量，获得传输确定结果并根据传输确定结果执行数据传输。

公开(公告)号：US20140016533A1

公开(公告)日：2014-01-16

申请号：US14006764

申请日：2012-03-22

申请人： Satoshi Nagata ,  Xiang Yun ,  Lan Chen ,  Xiaoming She ,  Juejia Zhou ,  Hirohito Suda

发明人： Satoshi Nagata ,  Xiang Yun ,  Lan Chen ,  Xiaoming She ,  Juejia Zhou ,  Hirohito Suda

IPC分类号： H04L12/18

CPC分类号： H04L12/1881 ,  H04B7/04 ,  H04B7/0632 ,  H04B7/0639 ,  H04L5/0035 ,  H04W16/28 ,  H04W24/10 ,  H04W72/046 ,  H04W72/12

摘要： A base station receives channel state information corresponding to each of spare coordinated groups from each of user devices. A first group includes a plurality of coordinated groups arranged in advance. The spare coordinated groups corresponding to each user device are such as selected from the first group and include at least a service sector of best channel quality obtained measurement by the user device. The base station specifies a user device group corresponding to each of coordinated groups contained in each of coordinated group patterns. The user device group corresponding to the coordinated group is formed of user devices having the coordinated group in their spare coordinated groups. The base station uses channel state information reported from the user devices of the user device group corresponding to the coordinated group as a basis to perform user scheduling on the coordinated group.

摘要翻译： 基站从每个用户设备接收对应于每个备用协调组的信道状态信息。 第一组包括预先排列的多个协调组。 与每个用户设备相对应的备用协作组例如从第一组中选择，并且至少包括由用户设备获得的测量获得的最佳信道质量的服务扇区。 基站指定与每个协调组模式中包含的每个协调组对应的用户设备组。 对应于协调组的用户设备组由其备用协调组中具有协调组的用户设备组成。 基站使用从与协作组对应的用户装置组的用户装置报告的信道状态信息作为对协调组进行用户调度的依据。

公开(公告)号：US20130230007A1

公开(公告)日：2013-09-05

申请号：US13877573

申请日：2011-10-03

申请人： Satoshi Nagata ,  Yuichi Kakishima ,  Hidekazu Taoka ,  Katsutoshi Kusume

发明人： Satoshi Nagata ,  Yuichi Kakishima ,  Hidekazu Taoka ,  Katsutoshi Kusume

IPC分类号： H04B7/04

CPC分类号： H04B7/0417 ,  H04B7/0452 ,  H04B7/0478 ,  H04B7/063 ,  H04B7/0636 ,  H04B7/0639 ,  H04B7/065 ,  H04L1/0026 ,  H04L1/0031 ,  H04L25/0204 ,  H04L25/03343 ,  H04L25/03898 ,  H04W16/28 ,  H04W24/10

摘要： The present invention makes it possible to feed back PMIs that are required to generate precoding weights, while securing improvement of throughput performance, in downlink MIMO transmission using a plurality of transmitting antennas. With the present invention, in a mode to include a PTI (Precoder Type Indicator) in a PUCCH and feedback the PTI to a radio base station apparatus for downlink MIMO transmission using a plurality of transmitting antennas, the transmission cycle of feedback information corresponding to report 2 and report 3 when the value of the PTI is 0 are made different from the transmission cycle of feedback information corresponding to report 2 and report 3 when PTI=1 and the former feedback information and the latter feedback information are multiplexed, and the multiplexed signal is transmitted to the radio base station apparatus by the PUCCH.

摘要翻译： 本发明使得能够在使用多个发送天线的下行MIMO传输中反馈产生预编码权重所需的PMI，同时确保吞吐量性能的改善。 通过本发明，在PUCCH中包含PTI（预编码器类型指示符）的模式中，使用多个发送天线将PTI反馈给无线基站装置进行下行MIMO发送，对应于报告的反馈信息的发送周期 2和报告3，当PTI的值为0时，与PTI = 1对应的反馈信息的传输周期不同，并且前一个反馈信息和后面的反馈信息被复用，并且复用信号 通过PUCCH向无线基站装置发送。

公开(公告)号：US08526555B2

公开(公告)日：2013-09-03

申请号：US13058550

申请日：2009-08-07

申请人： Satoshi Nagata ,  Yoshihisa Kishiyama ,  Motohiro Tanno

发明人： Satoshi Nagata ,  Yoshihisa Kishiyama ,  Motohiro Tanno

IPC分类号： H04L7/00

CPC分类号： H04J11/0076 ,  H04W48/16

摘要： A user apparatus for performing cell search includes: a timing information detection unit configured to detect timing information of a synchronization signal transmitted from a connected base station; a secondary synchronization channel correlation detection unit configured to detect a correlation of a secondary synchronization channel included in a synchronization signal transmitted by other base station other than the connected base station by using the timing information detected by the timing information detection unit; and a secondary synchronization channel detection unit configured to detect the secondary synchronization channel based on a result of the correlation detection by the secondary synchronization channel correlation detection unit.

摘要翻译： 用于执行小区搜索的用户装置包括：定时信息检测单元，被配置为检测从连接的基站发送的同步信号的定时信息; 次同步信道相关检测单元，被配置为通过使用由定时信息检测单元检测的定时信息来检测包括在由连接的基站以外的其他基站发送的同步信号中的辅同步信道的相关性; 以及次同步信道检测单元，被配置为基于由次同步信道相关检测单元进行的相关检测的结果来检测辅同步信道。

公开(公告)号：US20130215988A1

公开(公告)日：2013-08-22

申请号：US13877174

申请日：2011-10-03

申请人： Satoshi Nagata ,  Yuichi Kakishima ,  Hidekazu Taoka ,  Katsutoshi Kusume

发明人： Satoshi Nagata ,  Yuichi Kakishima ,  Hidekazu Taoka ,  Katsutoshi Kusume

IPC分类号： H04B7/04

CPC分类号： H04B7/0456 ,  H04B7/0452 ,  H04B7/0478 ,  H04B7/063 ,  H04B7/0636 ,  H04B7/0639 ,  H04B7/065 ,  H04L25/03343 ,  H04L25/03949 ,  H04L2025/03808 ,  H04W16/28 ,  H04W24/10

摘要： The present invention makes it possible to generate precoding weights reliably, even in downlink MIMO transmission using a plurality of transmitting antennas. The present invention includes: a first feedback information selection section (109) that, in a mode to include a PTI in a PUCCH and feed back the PTI to a radio base station apparatus for downlink MIMO transmission using a plurality of transmitting antennas, selects the same RI as the last RI that was fed back, when the value of the PTI is changed from 0 to 1; a multiplexer (115) that multiplexes the RI and the PTI after the change on a subframe; and a transmission section that transmits the multiplex signal to the radio base station apparatus by the PUCCH.

摘要翻译： 本发明即使在使用多个发送天线的下行MIMO传输中也能够可靠地生成预编码权重。 本发明包括：第一反馈信息选择部（109），在将PUCCH中包含PTI的模式中，使用多个发送天线将PTI反馈给无线基站装置进行下行MIMO发送时，选择 当PTI的值从0变为1时，与反馈的最后RI相同的RI; 多路复用器（115），其在所述子帧上的所述改变之后复用所述RI和所述PTI; 以及通过PUCCH将复用信号发送到无线基站装置的发送部。

公开(公告)号：US08374162B2

公开(公告)日：2013-02-12

申请号：US12278718

申请日：2007-02-05

申请人： Kenichi Higuchi ,  Yoshihisa Kishiyama ,  Yoshiaki Ofuji ,  Satoshi Nagata ,  Mamoru Sawahashi

发明人： Kenichi Higuchi ,  Yoshihisa Kishiyama ,  Yoshiaki Ofuji ,  Satoshi Nagata ,  Mamoru Sawahashi

IPC分类号： H04B7/216 ,  H04J1/00 ,  H04J3/00 ,  H04L27/28

CPC分类号： H04J4/00 ,  H04L5/0007 ,  H04L5/0039 ,  H04L5/0041 ,  H04L5/0042 ,  H04L5/0044 ,  H04L5/006 ,  H04L5/0064 ,  H04L5/0082 ,  H04L5/0085 ,  H04L5/0087 ,  H04W72/1205 ,  H04W72/1273

摘要： A disclosed transmission device includes a frequency scheduling unit configured to allocate, to each user, either frequency blocks that are consecutive frequency subcarrier blocks obtained by dividing a system bandwidth or distributed frequency blocks that are frequency subcarrier blocks discretely distributed in the system bandwidth; and a mapping unit configured to assign transmission data to the frequency blocks or the distributed frequency blocks according to the allocation result. The frequency scheduling unit is configured to allocate the distributed frequency blocks using the frequency blocks as units and to allocate sub-blocks obtained by dividing the respective distributed frequency blocks.

摘要翻译： 所公开的发送装置包括：频率调度部，被配置为向每个用户分配作为在系统带宽中离散分布的作为频率子载波块的系统带宽或分散频率块所获得的连续的频率子载波块的频率块; 以及映射单元，被配置为根据分配结果将发送数据分配给频率块或分布式频率块。 频率调度单元被配置为使用频率块作为单位分配分散频率块，并且分配通过划分各个分布式频率块而获得的子块。

公开(公告)号：US08270265B2

公开(公告)日：2012-09-18

申请号：US12187167

申请日：2008-08-06

申请人： Hideki Yoshinaka ,  Masaharu Fukakusa ,  Mayumi Tsukamoto ,  Satoshi Nagata ,  Eizo Ono

发明人： Hideki Yoshinaka ,  Masaharu Fukakusa ,  Mayumi Tsukamoto ,  Satoshi Nagata ,  Eizo Ono

IPC分类号： G11B7/00

CPC分类号： G11B7/0909 ,  G11B7/131 ,  G11B7/1356 ,  G11B7/1362 ,  G11B2007/0006

摘要： An optical pickup device or an optical disk device includes: a light source 11 that emits a laser beam toward an optical disk 25; an optical receiver 18 that detects light reflected from the optical disk 25; and an astigmatism-generating element 31 that generates light used for focus control in a condition where a focusing position on one of two perpendicular cross sections including an optical axis of the light reflected from the optical disk 25 is located ahead of the optical receiver 18 and a focusing position on the other cross section is located behind the optical receiver 18. The astigmatism-generating element 31 is a Fresnel mirror 31a configured to include a plurality of reflecting mirrors, and an imaginary surface 31d that connects the tips of the reflecting mirrors is curved in a concave shape toward a light incidence side.

摘要翻译： 光拾取装置或光盘装置包括：朝向光盘25发射激光束的光源11; 检测从光盘25反射的光的光接收器18; 以及产生用于聚焦控制的光的像散生成元件31，其中在包括从光盘25反射的光的光轴的两个垂直横截面中的一个垂直截面上的聚焦位置位于光接收器18的前方， 在另一横截面上的聚焦位置位于光接收器18的后面。像散生成元件31是被配置为包括多个反射镜的菲涅尔镜31a，并且连接反射镜的前端的虚拟表面31d 弯曲成朝向光入射侧的凹形。

公开(公告)号：US08184573B2

公开(公告)日：2012-05-22

申请号：US12598143

申请日：2008-04-28

申请人： Kenichi Higuchi ,  Yoshihisa Kishiyama ,  Satoshi Nagata ,  Mamoru Sawahashi

发明人： Kenichi Higuchi ,  Yoshihisa Kishiyama ,  Satoshi Nagata ,  Mamoru Sawahashi

IPC分类号： H04B7/212

CPC分类号： H04L27/2602 ,  H04J11/0069 ,  H04J11/0076 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/005 ,  H04L5/0053 ,  H04L27/2613 ,  H04L27/2626 ,  H04L27/2655 ,  H04L27/2675 ,  H04W48/12 ,  H04W48/16 ,  H04W56/0015 ,  H04W92/10

摘要： A base station communicating with a mobile station in a radio communication system by using OFDM for downlink is disclosed. The base station includes a sequence selecting unit configured to select multiple synchronization signal sequences; a synchronization signal generating unit configured to generate a secondary synchronization channel based on a part of the selected synchronization signal sequences and another part of the selected synchronization signal sequences; and a transmitting unit configured to transmit the secondary synchronization channel. The secondary synchronization channel is used to detect cell-specific information.

摘要翻译： 公开了一种在无线电通信系统中通过使用用于下行链路的OFDM与移动站进行通信的基站。 基站包括：序列选择单元，被配置为选择多个同步信号序列; 同步信号生成单元，被配置为基于所选择的同步信号序列的一部分和所选择的同步信号序列的另一部分来生成辅同步信道; 以及发送单元，被配置为发送所述辅同步信道。 次同步信道用于检测小区特定信息。