公开(公告)号：US09843416B2

公开(公告)日：2017-12-12

申请号：US13496384

申请日：2010-08-04

申请人： Ryo Sawai

发明人： Ryo Sawai

IPC分类号： H04W36/00 ,  H04L1/06 ,  H04B7/155 ,  H04W28/04 ,  H04L1/00 ,  H04W48/16 ,  H04W72/12 ,  H04W84/04

CPC分类号： H04L1/06 ,  H04B7/15542 ,  H04L1/0026 ,  H04L2001/0097 ,  H04W28/04 ,  H04W36/00 ,  H04W48/16 ,  H04W72/12 ,  H04W84/047

摘要： Provided is a management server including a receiving unit that receives from each base station information about a communication terminal belonging to the base station and about a relay device that relays communication between the base station and the communication terminal, a determination unit that determines, on the basis of the information received from each base station by the receiving unit, whether or not interference is to be generated between communications controlled by different base stations, and a base station management unit that instructs at least one of the base stations that control the communication, for which the determination unit has determined that interference is to be generated, to execute an interference avoidance control.

公开(公告)号：US09736784B2

公开(公告)日：2017-08-15

申请号：US14343455

申请日：2012-07-13

申请人： Ryota Kimura ,  Ryo Sawai

发明人： Ryota Kimura ,  Ryo Sawai

IPC分类号： H04W52/04 ,  H04W16/14 ,  H04W52/16 ,  H04W52/24 ,  H04W52/22 ,  H04W52/36 ,  H04W52/38

CPC分类号： H04W52/04 ,  H04W16/14 ,  H04W52/16 ,  H04W52/228 ,  H04W52/243 ,  H04W52/362 ,  H04W52/386

摘要： There is provided a communication control device including a power distribution unit configured to distribute, to one or more secondary systems, a transmission power accepted for a secondary usage of a frequency channel which is protected for a primary system, and a notification unit configured to notify each secondary system of a value of a second transmission power which is decided depending on a value of a first transmission power distributed by the power distribution unit. Upon updating the transmission power, only in a case where a value of the second transmission power which is previously notified and a value of the first transmission power which is newly distributed by the power distribution unit satisfy a predetermined condition with respect to a certain secondary system, the notification unit notifies the secondary system of a new value of the second transmission power.

公开(公告)号：US09363767B2

公开(公告)日：2016-06-07

申请号：US13880963

申请日：2011-09-16

申请人： Ryota Kimura ,  Ryo Sawai

发明人： Ryota Kimura ,  Ryo Sawai

IPC分类号： H04B7/00 ,  H04W52/24 ,  H04W16/14

CPC分类号： H04W72/0453 ,  H04W16/14 ,  H04W52/243 ,  H04W52/244 ,  H04W52/367 ,  H04W72/0473 ,  H04W72/082

摘要： Provided is a communication control device including a communication unit configured to make communication with one or more secondary communication nodes operating a secondary system using at least one of a frequency channel allocated to a primary system and a frequency channel adjacent to the frequency channel, a determination unit configured to determine an upper limit number of secondary systems or secondary communication nodes to be allocated with transmission power, and a power allocation unit configured to allocate transmission power to each secondary system or each secondary communication node in each secondary system based on the determined upper limit number and the acceptable interference amount of the primary system.

摘要翻译： 提供一种通信控制装置，其包括通信单元，其被配置为使用分配给主系统的频率信道和与频率信道相邻的频率信道中的至少一个来与运行次系统的一个或多个次要通信节点进行通信， 被配置为确定要被分配有传输功率的次要系统或次要通信节点的上限数量的单元，以及功率分配单元，被配置为基于所确定的上位机向每个辅助系统或每个次要通信节点分配传输功率 限制数量和主要系统的可接受的干扰量。

公开(公告)号：US09026037B2

公开(公告)日：2015-05-05

申请号：US13390726

申请日：2010-07-29

申请人： Ryo Sawai

发明人： Ryo Sawai

IPC分类号： H04W88/04 ,  H04B7/14 ,  H04W40/00 ,  H04W24/00 ,  H04B7/26 ,  H04W72/08 ,  H04W84/04

CPC分类号： H04B7/2606 ,  H04B7/15542 ,  H04W72/082 ,  H04W84/047

摘要： A relay node in a mobile communication network for receiving a radio signal from a base station and forwarding the signal to a mobile station. The relay node including a control unit that manages first information corresponding to link between the relay node and the mobile station, and a transmitter that directly transmits the first information to another relay node in the mobile communication network. The relay node including a receiver that receives, from the another relay node, second information corresponding to a link between the another relay node and another mobile station. The control unit controlling resources used to communicate with the mobile station based on the first information corresponding to link between the relay node and the mobile station and the second information corresponding to the link between the another relay node and the another mobile station.

摘要翻译： 移动通信网络中的中继节点，用于从基站接收无线电信号并将该信号转发到移动台。 所述中继节点包括管理对应于所述中继节点与所述移动台之间的链路的第一信息的控制单元，以及将所述第一信息直接发送到所述移动通信网络中的另一中继节点的发射机。 所述中继节点包括从所述另一中继节点接收对应于所述另一中继节点与另一移动台之间的链路的第二信息的接收机。 所述控制单元基于与所述中继节点和所述移动站之间的链路相对应的所述第一信息以及与所述另一中继节点与所述另一移动站之间的链路相对应的所述第二信息来控制用于与所述移动站通信的资源。

公开(公告)号：US20140057668A1

公开(公告)日：2014-02-27

申请号：US14074019

申请日：2013-11-07

申请人： Ryota Kimura ,  Ryo Sawai ,  Yuichi Morioka

发明人： Ryota Kimura ,  Ryo Sawai ,  Yuichi Morioka

IPC分类号： H04W88/06

CPC分类号： H04W72/0453 ,  H04B7/0408 ,  H04B7/0684 ,  H04B7/26 ,  H04W72/1257 ,  H04W88/06

摘要： A wireless communication apparatus includes: a first wireless communication section performing wireless communication on the basis of a first communication mode; a second wireless communication section performing wireless communication on the basis of a second communication mode using a different frequency band from the first communication mode; a beam learning signal generation section generating a beam learning signal for specifying a beam pattern at the time of the communication based on the second communication mode and transmitting the beam learning signal from the second wireless communication section; a response information acquisition section acquiring response information responding to the transmitted beam learning signal; and a preliminary information generation section generating preliminary information so as not to cause interference among a plurality of wireless communications using the second communication mode on the basis of the response information and transmitting the preliminary information from the first wireless communication section.

摘要翻译： 无线通信装置包括：第一无线通信部，其基于第一通信模式进行无线通信; 第二无线通信部分，基于使用与所述第一通信模式不同的频带的第二通信模式来执行无线通信; 波束学习信号生成部，其基于第二通信模式生成用于指定通信时的波束图案的波束学习信号，并从第二无线通信部发送波束学习信号; 响应信息获取部分获取响应于所发送的波束学习信号的响应信息; 以及初步信息生成部，其基于所述响应信息生成初步信息，以便不会在使用所述第二通信模式的多个无线通信中产生干扰，并且从所述第一无线通信部发送所述初步信息。

公开(公告)号：US08588829B2

公开(公告)日：2013-11-19

申请号：US13587312

申请日：2012-08-16

申请人： Ryo Sawai

发明人： Ryo Sawai

IPC分类号： H04B7/01

CPC分类号： H04W52/243 ,  H04W16/14 ,  H04W52/143 ,  H04W52/16 ,  H04W52/24 ,  H04W52/242 ,  H04W52/34 ,  H04W52/46 ,  H04W64/00

摘要： There is provided a method for controlling a transmission power in a second communication service making secondary usage of a spectrum assigned to a first communication service, with use of any node of one or more secondary usage node that transmits a radio signal of the second communication service, comprising the steps of: acquiring an acceptable interference power allocated to the second communication service; calculating a total sum of interference power levels on the first communication service based on transmission powers respectively required for the one or more secondary usage node; and excluding any secondary usage node of the one or more secondary usage node from allocation of the transmission power when the calculated total sum of interference power levels is larger than the acceptable interference power.

公开(公告)号：US08572212B2

公开(公告)日：2013-10-29

申请号：US12686740

申请日：2010-01-13

申请人： Ryo Sawai

发明人： Ryo Sawai

IPC分类号： G06F15/16 ,  G06F15/173

CPC分类号： H04W16/14 ,  H04L41/32 ,  H04L67/30 ,  H04W24/08

摘要： There is provided a communication device comprising: a detection unit that detects presence or absence of communication connection with a server storing data related to a communication environment of a communication area where a first communication service is provided; a data acquisition unit that acquires data related to a surrounding communication environment; and a determination unit that determines availability of usage of a second communication service using a part or whole of a spectrum assigned to the first communication service based on the data acquired by the data acquisition unit, wherein when communication connection with the server is not detected by the detection unit, the data acquisition unit senses a communication environment surrounding the communication device or receives data related to a communication environment from another communication device located near the communication device.

公开(公告)号：US08447861B2

公开(公告)日：2013-05-21

申请号：US12784939

申请日：2010-05-21

申请人： Ryo Sawai ,  Ryota Kimura

发明人： Ryo Sawai ,  Ryota Kimura

IPC分类号： G06F15/173

CPC分类号： H04W16/14

摘要： There is provided a communication device including: a data acquisition unit that acquires sensed data related to a signal receiving condition in a spectrum assigned to a first communication service; a determination unit that determines which of a first area inside a service area of the first communication service where a signal receiving condition is suitable, a second area inside or in a peripheral part of the service area where a signal receiving condition is not suitable and a third area outside the peripheral part of the service area the communication device is located based on the sensed data acquired by the data acquisition unit; and a secondary usage starting unit that starts usage of a second communication service using a part or whole of the spectrum assigned to the first communication service by a procedure different depending on a kind of the area where the communication device is located determined by the determination unit.

摘要翻译： 提供一种通信装置，包括：数据获取单元，其获取与分配给第一通信服务的频谱中的信号接收条件相关的感测数据; 确定单元，其确定信号接收条件适合的第一通信服务的服务区域内的第一区域，信号接收条件不合适的服务区域的周边部分内的第二区域，以及 基于由数据获取单元获取的感测数据，通信设备所在的服务区域的周边部分之外的第三区域; 以及次要使用开始单元，其使用根据由所述确定单元确定的所述通信设备所在的区域的种类而不同的过程，使用分配给所述第一通信服务的频谱的一部分或全部的第二通信服务的使用 。

公开(公告)号：US20130017776A1

公开(公告)日：2013-01-17

申请号：US13583135

申请日：2011-02-21

申请人： Hiroaki Takano ,  Ryo Sawai ,  Xin Guo

发明人： Hiroaki Takano ,  Ryo Sawai ,  Xin Guo

IPC分类号： H04B7/14

CPC分类号： H04B7/155 ,  H04B7/15507

摘要： Provided is a relay station relaying wireless signals between a base station and a mobile station, the relay station including: a communication unit configured to relay the wireless signals; a determination unit configured to determine whether or not it is necessary to change a cell ID of the relay station in order to avoid a collision between a cell ID of the relay station and a cell ID of the base station due to a movement of the relay station; and a control unit configured to cause a cell ID of an access point of the mobile station belonging to the relay station to be changed from a first cell ID of the relay station to a second cell ID of the relay station when the determination unit determines that it is necessary to change the cell ID.

摘要翻译： 提供了一种在基站和移动台之间中继无线信号的中继站，所述中继站包括：通信单元，被配置为中继所述无线信号; 确定单元，被配置为确定是否需要改变中继站的小区ID，以避免由于中继站的移动而导致的中继站的小区ID与基站的小区ID之间的冲突 站; 以及控制单元，被配置为当所述确定单元确定所述中继站的所述第二小区ID到所述中继站的第二小区ID时，使属于所述中继站的所述移动站的接入点的小区ID从所述中继站的第一小区ID改变 需要更改单元格ID。

公开(公告)号：US20120315936A1

公开(公告)日：2012-12-13

申请号：US13580986

申请日：2011-03-15

申请人： Ryo Sawai ,  Ryota Kimura

发明人： Ryo Sawai ,  Ryota Kimura

IPC分类号： H04B15/00 ,  H04W4/00

CPC分类号： H04W52/343 ,  H04W16/10 ,  H04W52/243 ,  H04W52/245

摘要： A management server in a network including a first transmitting device that communicates with a first receiving device and a second transmitting device that communicates with a second receiving device. The management server includes a network interface that receives a parameter corresponding to a level of improvement of communication quality at the second receiving device, and a processor that calculates an allowable interference amount at the first receiving device based on the parameter.

摘要翻译： 一种网络中的管理服务器，包括与第一接收设备通信的第一发送设备和与第二接收设备进行通信的第二发送设备。 管理服务器包括：网络接口，其接收与第二接收装置的通信质量的提高水平相对应的参数;以及处理器，其基于该参数来计算第一接收装置的容许干扰量。