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1. 发明授权

US08903404B2 Radio base station and frequency band sharing method 有权
标题翻译：无线基站和频段共享方式
公开(公告)号：US08903404B2
公开(公告)日：2014-12-02
申请号：US13361318
申请日：2012-01-30
申请人： Hiromasa Fujii , Hiroto Yasuda , Hiroki Harada , Shunji Miura , Hidetoshi Kayama
发明人： Hiromasa Fujii , Hiroto Yasuda , Hiroki Harada , Shunji Miura , Hidetoshi Kayama
IPC分类号： H04W36/00 , H04B1/10 , H04W16/14 , H04B1/00 , H04W88/08 , H04W28/04 , H04W74/08 , H04W56/00
CPC分类号： H04W16/14 , H04B1/005 , H04B1/1027 , H04W28/04 , H04W56/00 , H04W72/082 , H04W74/0833 , H04W88/08
摘要： A CRS base station (21) includes a transmitting section configured to transmit a synchronization establishment signal, a receiving section configured to receive a random access signal corresponding to the synchronization establishment signal, a determining section configured to determine whether or not the random access signal received by the receiving section has been transmitted from an MCS terminal (12) and an interference reduction processing section configured to perform interference reduction processing on the MCS terminal (12) when the determining section determines that the random access signal has been transmitted from the MCS terminal (12).
摘要翻译： CRS基站（21）包括：发送部，被配置为发送同步建立信号;接收部，被配置为接收与所述同步建立信号对应的随机接入信号;判定部，被配置为判定接收到的随机接入信号接收部分已从MCS终端（12）和干扰减少处理部分发送，该干扰减少处理部分被配置为当MCS终端（12）确定随机接入信号已经从MCS终端发送时对MCS终端（12）进行干扰减少处理（12）。

2. 发明申请

US20120214525A1 RADIO BASE STATION, USER TERMINAL AND FREQUENCY BAND SHARING METHOD 有权
标题翻译：无线基站，用户终端和频带共享方法
公开(公告)号：US20120214525A1
公开(公告)日：2012-08-23
申请号：US13361318
申请日：2012-01-30
申请人： Hiromasa FUJII , Hiroto Yasuda , Hiroki Harada , Shunji Miura , Hidetoshi Kayama
发明人： Hiromasa FUJII , Hiroto Yasuda , Hiroki Harada , Shunji Miura , Hidetoshi Kayama
IPC分类号： H04W56/00 , H04W72/04 , H04W88/08 , H04W74/08 , H04W88/02
CPC分类号： H04W16/14 , H04B1/005 , H04B1/1027 , H04W28/04 , H04W56/00 , H04W72/082 , H04W74/0833 , H04W88/08
摘要： A CRS base station (21) includes a transmitting section configured to transmit a synchronization establishment signal, a receiving section configured to receive a random access signal corresponding to the synchronization establishment signal, a determining section configured to determine whether or not the random access signal received by the receiving section has been transmitted from an MCS terminal (12) and an interference reduction processing section configured to perform interference reduction processing on the MCS terminal (12) when the determining section determines that the random access signal has been transmitted from the MCS terminal (12).
摘要翻译： CRS基站（21）包括：发送部，被配置为发送同步建立信号;接收部，被配置为接收与所述同步建立信号对应的随机接入信号;判定部，被配置为判定接收到的随机接入信号接收部分已从MCS终端（12）和干扰减少处理部分发送，该干扰减少处理部分被配置为当MCS终端（12）确定随机接入信号已经从MCS终端发送时对MCS终端（12）进行干扰减少处理（12）。

3. 发明授权

US08948068B2 Wireless station, interference avoidance method, and system for interference avoidance 有权
标题翻译：无线站，干扰避免方法，以及避免干扰的系统
公开(公告)号：US08948068B2
公开(公告)日：2015-02-03
申请号：US13350079
申请日：2012-01-13
申请人： Hiroki Harada , Hiromasa Fujii , Shunji Miura , Hidetoshi Kayama
发明人： Hiroki Harada , Hiromasa Fujii , Shunji Miura , Hidetoshi Kayama
IPC分类号： H04W72/04 , H04W72/08 , H04W16/14 , H04W72/12
CPC分类号： H04W72/082 , H04W16/14 , H04W72/0406 , H04W72/085 , H04W72/1215
摘要： A wireless station in a second communication system, with at least a portion of a first frequency band used in a first communication system and a portion of a second frequency band used in the second communication system being shared or neighboring, the wireless station including a waveform characteristic quantity extracting unit that extracts a waveform characteristic quantity which shows a statistical characteristic of a signal received from the first communication system; a communication parameter determining unit that determines communication parameters to be used for the wireless station in the second communication system depending on a determination result of whether the extracted waveform characteristic quantity is of a predetermined waveform characteristic quantity for reducing an interference; and a transmission and reception unit that transmits and receives a wireless communication signal in the second communication system in accordance with the determined communication parameters.
摘要翻译：第二通信系统中的无线站，其中在第一通信系统中使用的第一频带的至少一部分和在第二通信系统中使用的第二频带的一部分是共享的或相邻的，所述无线站包括波形特征量提取单元，其提取表示从第一通信系统接收的信号的统计特性的波形特征量; 通信参数确定单元，根据所提取的波形特征量是否是用于减少干扰的预定波形特征量的确定结果，确定第二通信系统中用于无线站的通信参数; 以及发送和接收单元，其根据确定的通信参数在第二通信系统中发送和接收无线通信信号。

4. 发明申请

US20120213102A1 WIRELESS STATION, INTERFERENCE AVOIDANCE METHOD, AND SYSTEM FOR INTERFERENCE AVOIDANCE 有权
标题翻译：无线电台，干扰避免方法和干扰避免系统
公开(公告)号：US20120213102A1
公开(公告)日：2012-08-23
申请号：US13350079
申请日：2012-01-13
申请人： Hiroki Harada , Hiromasa Fujii , Shunji Miura , Hidetoshi Kayama
发明人： Hiroki Harada , Hiromasa Fujii , Shunji Miura , Hidetoshi Kayama
IPC分类号： H04W24/00
CPC分类号： H04W72/082 , H04W16/14 , H04W72/0406 , H04W72/085 , H04W72/1215
摘要： A wireless station in a second communication system, with at least a portion of a first frequency band used in a first communication system and a portion of a second frequency band used in the second communication system being shared or neighboring, the wireless station including a waveform characteristic quantity extracting unit that extracts a waveform characteristic quantity which shows a statistical characteristic of a signal received from the first communication system; a communication parameter determining unit that determines communication parameters to be used for the wireless station in the second communication system depending on a determination result of whether the extracted waveform characteristic quantity is of a predetermined waveform characteristic quantity for reducing an interference; and a transmission and reception unit that transmits and receives a wireless communication signal in the second communication system in accordance with the determined communication parameters.
摘要翻译：第二通信系统中的无线站，其中在第一通信系统中使用的第一频带的至少一部分和在第二通信系统中使用的第二频带的一部分是共享的或相邻的，所述无线站包括波形特征量提取单元，其提取表示从第一通信系统接收的信号的统计特性的波形特征量; 通信参数确定单元，根据所提取的波形特征量是否是用于减少干扰的预定波形特征量的确定结果，确定第二通信系统中用于无线站的通信参数; 以及发送和接收单元，其根据确定的通信参数在第二通信系统中发送和接收无线通信信号。

5. 发明授权

US08521174B2 Radio communication method and radio base station 有权
标题翻译：无线电通信方式和无线基站
公开(公告)号：US08521174B2
公开(公告)日：2013-08-27
申请号：US13332909
申请日：2011-12-21
申请人： Hiromasa Fujii , Hiroto Yasuda , Hiroki Harada , Shunji Miura , Tomoyuki Ohya
发明人： Hiromasa Fujii , Hiroto Yasuda , Hiroki Harada , Shunji Miura , Tomoyuki Ohya
IPC分类号： H04W88/02
CPC分类号： H04W72/0406 , H04W16/32 , H04W92/20
摘要： When a frequency band is shared between a large cell system having a large cell base station and a small cell system having a small cell base station, the large cell base station dynamically controls dedicated resources for the large cell base station and shared resources for both the large cell base station and the small cell base station based on predetermined information, broadcasts allocation information of dedicated resources for the large cell base station and shared resources for both the large cell base station and the small cell base station, to the small cell base station belonging to the own cell, and the small cell base station belongs to at least one large cell base station and determines resource assignment in the own cell based on the resource allocation information broadcast from the large cell base station.
摘要翻译：当在具有大小区基站的大小区系统与具有小小区基站的小小区系统之间共享频带时，大小区基站动态地控制大小区基站的专用资源和用于两者的共享资源基于预定信息的大小区基站和小小区基站，向大小区基站广播用于大小区基站的专用资源的分配信息以及大小区基站和小小区基站的共享资源到小小区基站属于自己的小区，小小区基站属于至少一个大小区基站，并且基于从大小区基站广播的资源分配信息来确定自身小区中的资源分配。

6. 发明授权

US08706045B2 Signal detection apparatus and signal detection method 有权
标题翻译：信号检测装置及信号检测方法
公开(公告)号：US08706045B2
公开(公告)日：2014-04-22
申请号：US13272573
申请日：2011-10-13
申请人： Hiroki Harada , Hiromasa Fujii , Shunji Miura
发明人： Hiroki Harada , Hiromasa Fujii , Shunji Miura
IPC分类号： H04B17/00
CPC分类号： H04L27/0006 , H04L5/0007 , H04L5/0032
摘要： A signal detection apparatus includes: a unit configured to select a particular detection target signal from among plural candidates of detection target signals; a unit configured to calculate a cyclic autocorrelation value at a center coordinate point specified by at least a cyclic parameter and a shift parameter of the particular detection target signal; a unit configured to calculate a cyclic autocorrelation value of each of (L−1) coordinate points belonging to a common area that is used commonly for different detection target signals; a unit configured to calculate a test statistic of the particular detection target signal; and a unit configured to determine presence or absence of the particular detection target signal according to a comparison result between the test statistic and a threshold, wherein the test statistic is calculated by using the cyclic autocorrelation value in each of the (L−1) coordinate points belonging to the common area.
摘要翻译：信号检测装置包括：被配置为从多个检测目标信号候选中选择特定检测目标信号的单元; 被配置为计算由所述特定检测目标信号的至少循环参数和移位参数指定的中心坐标点处的循环自相关值; 被配置为计算属于共同区域的（L-1）个坐标点中的每一个的循环自相关值的单元，所述公共区域被共同用于不同的检测目标信号; 被配置为计算特定检测目标信号的检验统计量的单元; 以及单元，被配置为根据测试统计量和阈值之间的比较结果来确定特定检测目标信号的存在或不存在，其中通过使用（L-1）坐标中的每一个中的循环自相关值来计算测试统计量点属于公共区域。

7. 发明申请

US20110235740A1 SIGNAL GENERATION DEVICE AND SIGNAL GENERATION METHOD 有权
标题翻译：信号生成装置和信号生成方法
公开(公告)号：US20110235740A1
公开(公告)日：2011-09-29
申请号：US13037933
申请日：2011-03-01
申请人： Hiroki HARADA , Hiromasa Fujii , Shunji Miura , Tomoyuki Ohya
发明人： Hiroki HARADA , Hiromasa Fujii , Shunji Miura , Tomoyuki Ohya
IPC分类号： H04L27/00
CPC分类号： H04L27/2634 , H04L27/2602
摘要： Disclosed is a signal generation device that employs a transmission method using inverse Fourier transform. The signal generation device includes: a modulation unit which modulates transmission data to obtain modulation data; a serial-parallel conversion unit which converts the modulation data input in series to parallel data of a predetermined size smaller than the size of inverse Fourier transform; a duplication unit which selects and duplicates all or a portion of the parallel data to obtain duplication data; a first time-axis shift unit which shifts the duplication data along the time axis to obtain time-axis shift data; and an inverse Fourier transform unit which carries out inverse Fourier transform on the parallel data obtained by the serial-parallel conversion unit and the time-axis shift data obtained by the first time-axis shift unit.
摘要翻译：公开了采用使用傅里叶逆变换的发送方法的信号生成装置。信号发生装置包括：调制单元，其对发送数据进行调制以获得调制数据; 串行并行转换单元，其将串行输入的调制数据转换为小于反傅立叶变换的大小的预定尺寸的并行数据; 复制单元，其选择和复制所述或一部分并行数据以获得复制数据; 第一时间轴移位单元，沿着时间轴移动复制数据以获得时间轴移位数据; 以及对由并行转换单元获得的并行数据和由第一时间轴移位单元获得的时间轴移位数据进行傅立叶逆变换的逆傅里叶变换单元。

8. 发明授权

US08542758B2 Signal generation device and signal generation method 有权
标题翻译：信号发生装置和信号发生方法
公开(公告)号：US08542758B2
公开(公告)日：2013-09-24
申请号：US13037933
申请日：2011-03-01
申请人： Hiroki Harada , Hiromasa Fujii , Shunji Miura , Tomoyuki Ohya
发明人： Hiroki Harada , Hiromasa Fujii , Shunji Miura , Tomoyuki Ohya
IPC分类号： H04K1/10
CPC分类号： H04L27/2634 , H04L27/2602
摘要： Disclosed is a signal generation device that employs a transmission method using inverse Fourier transform. The signal generation device includes: a modulation unit which modulates transmission data to obtain modulation data; a serial-parallel conversion unit which converts the modulation data input in series to parallel data of a predetermined size smaller than the size of inverse Fourier transform; a duplication unit which selects and duplicates all or a portion of the parallel data to obtain duplication data; a first time-axis shift unit which shifts the duplication data along the time axis to obtain time-axis shift data; and an inverse Fourier transform unit which carries out inverse Fourier transform on the parallel data obtained by the serial-parallel conversion unit and the time-axis shift data obtained by the first time-axis shift unit.
摘要翻译：公开了采用使用傅里叶逆变换的发送方法的信号生成装置。信号发生装置包括：调制单元，其对发送数据进行调制以获得调制数据; 串行并行转换单元，其将串行输入的调制数据转换为小于反傅立叶变换的大小的预定尺寸的并行数据; 复制单元，其选择和复制所述或一部分并行数据以获得复制数据; 第一时间轴移位单元，沿着时间轴移动复制数据以获得时间轴移位数据; 以及对由并行转换单元获得的并行数据和由第一时间轴移位单元获得的时间轴移位数据进行傅立叶逆变换的逆傅里叶变换单元。

9. 发明授权

US08503944B2 Signal detection apparatus and signal detection method for use in radio station of radio communication system 有权
标题翻译：用于无线电通信系统的无线电台的信号检测装置和信号检测方法
公开(公告)号：US08503944B2
公开(公告)日：2013-08-06
申请号：US12975975
申请日：2010-12-22
申请人： Hiroki Harada , Hiromasa Fujii , Shunji Miura , Tomoyuki Ohya
发明人： Hiroki Harada , Hiromasa Fujii , Shunji Miura , Tomoyuki Ohya
IPC分类号： H04B17/00
CPC分类号： H04B7/086 , H04B17/26 , H04B17/309 , H04B17/382
摘要： A signal detection apparatus 23 for determining whether a detection target signal is included in a received radio signal, includes: a waveform feature amount calculation unit 31 configured to calculate a waveform feature amount Rxα representing a waveform feature; a test statistic calculation unit 32 configured to calculate test statistic Zxα of each detection target signal by using the waveform feature amount; and a signal decision unit 33 configured to determine presence or absence of each detection target signal by comparing the test statistic Zxα of each detection target signal with a threshold Γ, wherein, under a condition where a specific detection target signal is removed, the test statistic calculation unit calculates a test statistic for a detection target signal which is not removed, and the signal decision unit determines presence or absence of the detection target signal by comparing the calculated test statistic with the threshold.
摘要翻译：用于确定检测目标信号是否包括在接收的无线电信号中的信号检测装置23包括：波形特征量计算单元31，被配置为计算表示波形特征的波形特征量Rxalpha; 被配置为通过使用波形特征量来计算每个检测目标信号的检验统计量Zxalpha的检验统计量计算单元32; 以及信号判定单元33，被配置为通过将每个检测目标信号的检验统计量Zxalpha与阈值Gamma进行比较来确定每个检测目标信号的存在或不存在，其中在去除特定检测目标信号的条件下，检验统计量计算单元计算未被去除的检测目标信号的检验统计量，并且信号判定单元通过将计算的检验统计量与阈值进行比较来确定检测目标信号的存在与否。

10. 发明申请

US20110165851A1 SIGNAL DETECTION APPARATUS AND SIGNAL DETECTION METHOD FOR USE IN RADIO STATION OF RADIO COMMUNICATION SYSTEM 有权
标题翻译：用于无线电通信系统无线电台的信号检测装置和信号检测方法
公开(公告)号：US20110165851A1
公开(公告)日：2011-07-07
申请号：US12975975
申请日：2010-12-22
申请人： Hiroki Harada , Hiromasa Fujii , Shunji Miura , Tomoyuki Ohya
发明人： Hiroki Harada , Hiromasa Fujii , Shunji Miura , Tomoyuki Ohya
IPC分类号： H04B17/00
CPC分类号： H04B7/086 , H04B17/26 , H04B17/309 , H04B17/382
摘要： A signal detection apparatus 23 for determining whether a detection target signal is included in a received radio signal, includes: a waveform feature amount calculation unit 31 configured to calculate a waveform feature amount Rxα representing a waveform feature; a test statistic calculation unit 32 configured to calculate test statistic Zxα of each detection target signal by using the waveform feature amount; and a signal decision unit 33 configured to determine presence or absence of each detection target signal by comparing the test statistic Zxα of each detection target signal with a threshold Γ, wherein, under a condition where a specific detection target signal is removed, the test statistic calculation unit calculates a test statistic for a detection target signal which is not removed, and the signal decision unit determines presence or absence of the detection target signal by comparing the calculated test statistic with the threshold.
摘要翻译：一种用于确定检测目标信号是否包括在接收的无线电信号中的信号检测装置23包括：波形特征量计算单元31，被配置为计算表示波形特征的波形特征量Rxα; 被配置为通过使用波形特征量来计算每个检测目标信号的检验统计量Zxα的检验统计量计算单元32; 以及信号判定单元33，其被配置为通过将每个检测目标信号的检验统计量Zxα与阈值＆Ggr进行比较来确定每个检测目标信号的存在或不存在;其中，在去除特定检测目标信号的条件下，统计量计算单元计算未被去除的检测目标信号的检验统计量，并且信号判定单元通过将计算的检验统计量与阈值进行比较来确定检测目标信号的存在与否。

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