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公开(公告)号：US20160113022A1
公开(公告)日：2016-04-21
申请号：US14976576
申请日：2015-12-21
Applicant: FUJITSU LIMITED
Inventor： Masafumi Tsutsui , Hiroyuki Seki , Teppei Oyama
CPC classification number: H04W72/082 , H04L1/00 , H04W16/14 , H04W16/18 , H04W24/02 , H04W24/08 , H04W72/00
Abstract: A control device includes a calculating unit and a specifying unit. The calculating unit calculates an estimated interference area of a base station to be installed for a secondary system, based on an installation scheduled position of the base station to be installed, an installation position of a reference base station of the secondary system, and an actually-measured interference area of the reference base station. The specifying unit specifies a channel of a primary system for which a used area does not overlap with the calculated estimated interference area.
Abstract translation: 控制装置包括计算单元和指定单元。 计算单元基于要安装的基站的安装定时位置，二次系统的参考基站的安装位置和实际上的第二系统的基站的安装位置来计算要安装的辅助系统的基站的估计干扰区域 - 参考基站的测量干扰区域。 指定单元指定用于所使用的区域与所计算的估计干扰区域不重叠的主系统的信道。
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12.发明授权公开(公告)号：US09294166B2
公开(公告)日：2016-03-22
申请号：US14291405
申请日：2014-05-30
Applicant: FUJITSU LIMITED
Inventor： Masafumi Tsutsui , Hiroyuki Seki
CPC classification number: H04B7/0413 , H04B7/0417 , H04B7/0632 , H04B7/088
Abstract: A wireless transmission method capable of transmitting a data stream by a wireless transmitter having a plurality of transmitting antennas, the wireless transmission method includes at the wireless transmitter, changing the number of candidates of selectable transmission beams to be formed for transmitting the data stream according to the number of transmission data streams, said transmission beams are formed by predetermined number of the plurality of transmitting antennas.
Abstract translation: 一种能够由具有多个发送天线的无线发射机发送数据流的无线发送方法，所述无线发送方法包括：在所述无线发送装置中，根据所述无线发送方法，根据所述无线发送方法，根据 发送数据流的数量，所述发送波束由预定数量的多个发送天线形成。
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公开(公告)号：US09088338B2
公开(公告)日：2015-07-21
申请号：US13865742
申请日：2013-04-18
Applicant: FUJITSU LIMITED
Inventor： Hiroyuki Seki
CPC classification number: H04B7/2656 , H04L1/0006 , H04L1/0015 , H04L1/0026 , H04L1/1671 , H04L5/0007 , H04L5/0048 , H04L5/0051
Abstract: A wireless communication system includes a pilot addition decision portion for deciding whether to add pilot symbols which are separate from the basic pilot symbols, to frames; a control symbol generation portion for generating control symbols including information related to additional pilot symbols; a frame assembly portion for assembling frames to which pilot symbols are added according to pilot addition decision; a transmission portion for transmitting the frames; and the reception device includes a control symbol demodulation portion for demodulating control symbols included in the received frames, and judges whether or not additional pilot symbols are included in the received frames based on the control symbol information; a data symbol demodulation portion for demodulating data symbols based on a propagation path estimation value which is estimated using the additional pilot symbols or using the additional and basic pilot symbols when the additional pilot symbols are included in the received frame.
Abstract translation: 无线通信系统包括用于决定是否将与基本导频符号分离的导频符号添加到帧的导频附加判定部分; 控制符号生成部分，用于产生包括与附加导频符号有关的信息的控制符号; 一个帧组合部分，用于根据导频加法决定装配添加有导频符号的帧; 用于发送帧的发送部分; 并且接收装置包括用于解调包含在接收帧中的控制符号的控制符号解调部分，并且基于控制符号信息判断接收到的帧中是否包括附加导频符号; 数据符号解调部分，用于当附加导频符号包括在接收帧中时，基于使用附加导频符号估计的传播路径估计值或使用附加和基本导频符号来解调数据符号。
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公开(公告)号：US08861542B2
公开(公告)日：2014-10-14
申请号：US14258143
申请日：2014-04-22
Applicant: Fujitsu Limited
Inventor： Hiroyuki Seki
CPC classification number: H04W72/0406 , H04B7/0413 , H04L1/0001 , H04L1/0006 , H04L1/0025 , H04L1/0029 , H04L1/003 , H04L1/0075 , H04L1/1812 , H04L5/1453 , H04W52/262 , H04W72/00 , H04W72/042
Abstract: A communication system, that includes a base station and a terminal, whereby the base station includes, a transmitting unit that transmits a control channel to the terminal with use of a control channel format selected from among a plurality of control channel formats, each including modulation scheme information, according to whether Multiple Input Multiple Output (MIMO) transmission is applied or not, and wherein the terminal includes, a receiving unit that receives the control channel transmitted from the base station, wherein a number of bits indicating a modulation scheme included in a control channel format to be selected when the MIMO transmission is applied is greater than that included in a control channel format to be selected when the MIMO transmission is not applied.
Abstract translation: 一种包括基站和终端的通信系统，其中所述基站包括发送单元，所述发送单元使用从多个控制信道格式中选择的控制信道格式向所述终端发送控制信道，所述控制信道格式包括调制 根据是否应用多输入多输出（MIMO）传输，其中所述终端包括：接收单元，其接收从所述基站发送的控制信道，其中指示包括在所述基站中的调制方式的比特数 当应用MIMO传输时要选择的控制信道格式大于在不应用MIMO传输时要选择的控制信道格式中包含的控制信道格式。
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15.发明授权公开(公告)号：US08849212B2
公开(公告)日：2014-09-30
申请号：US13765476
申请日：2013-02-12
Applicant: Fujitsu Limited
Inventor： Masafumi Tsutsui , Hiroyuki Seki
CPC classification number: H04B7/0413 , H04B7/0417 , H04B7/0632 , H04B7/088
Abstract: A wireless transmitter capable of transmitting a data stream to a wireless receiver, the wireless transmitter includes a plurality of transmitting antennas; and a scheduler controls to increase the number of candidate beams selectable for transmitting said data stream depending on the number of data streams to be transmitted from said transmitting antennas becoming small, wherein said beams are formed by predetermined number of the plurality of transmitting antennas.
Abstract translation: 一种能够向无线接收机发送数据流的无线发射机，所述无线发射机包括多个发射天线; 并且调度器根据从所述发送天线发送的数据流的数量增加可选择的用于发送所述数据流的候选波束的数量变小，其中所述波束由预定数量的多个发射天线形成。
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Patent Agency Ranking
16.发明申请公开(公告)号：US20140269967A1
公开(公告)日：2014-09-18
申请号：US14291405
申请日：2014-05-30
Applicant: FUJITSU LIMITED
Inventor： Masafumi Tsutsui , Hiroyuki Seki
IPC: H04B7/04
CPC classification number: H04B7/0413 , H04B7/0417 , H04B7/0632 , H04B7/088
Abstract: A wireless transmission method capable of transmitting a data stream by a wireless transmitter having a plurality of transmitting antennas, the wireless transmission method includes at the wireless transmitter, changing the number of candidates of selectable transmission beams to be formed for transmitting the data stream according to the number of transmission data streams, said transmission beams are formed by predetermined number of the plurality of transmitting antennas.
Abstract translation: 一种能够由具有多个发送天线的无线发射机发送数据流的无线发送方法，所述无线发送方法包括：在所述无线发送装置中，根据所述无线发送方法，根据所述无线发送方法，根据 发送数据流的数量，所述发送波束由预定数量的多个发送天线形成。
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公开(公告)号：US10165563B2
公开(公告)日：2018-12-25
申请号：US15085723
申请日：2016-03-30
Applicant: FUJITSU LIMITED
Inventor： Daisuke Jitsukawa , Hiroyuki Seki
Abstract: A base station includes a scheduler which allocates a first radio resource and a second radio resource while the first radio resource is used to transmit a control channel signal from a wireless terminal, and the second radio resource is used to transmit from the wireless terminal a first reference signal corresponding to the control channel signal even when the wireless terminal does not transmit the control channel signal by using the first radio resource.
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公开(公告)号：US20180316403A1
公开(公告)日：2018-11-01
申请号：US16028025
申请日：2018-07-05
Applicant: FUJITSU LIMITED
Inventor： Masafumi TSUTSUI , Hiroyuki Seki
IPC: H04B7/06 , H04B7/0456 , H04L5/00 , H04W16/28
Abstract: A base station system includes: a plurality of antenna units each of which includes an antenna and is configured to be coupled to the plurality of antenna units via a communication channel; and a control circuit configured to be connected to at least one of the plurality of antenna units via a communication line, the control circuit being configured to perform radio communication using any of the plurality of antenna units via the connected antenna unit.
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19.发明授权公开(公告)号：US08849211B2
公开(公告)日：2014-09-30
申请号：US13765462
申请日：2013-02-12
Applicant: Fujitsu Limited
Inventor： Masafumi Tsutsui , Hiroyuki Seki
CPC classification number: H04B7/0413 , H04B7/0417 , H04B7/0632 , H04B7/088
Abstract: A wireless transmission method capable of transmitting a data stream between a wireless transmitter having a plurality of transmitting antennas and a wireless receiver, the wireless transmission method includes controlling to increase the number of transmission beams to be formed for transmitting said data stream depending on the number of data streams to be transmitted from said transmitting antennas becoming small, and receiving any one or more transmission beam from said transmission beams by said wireless receiver, wherein said transmission beams are formed by predetermined number of the plurality of transmitting antennas.
Abstract translation: 一种能够在具有多个发送天线的无线发送机与无线接收机之间发送数据流的无线发送方法，所述无线发送方法包括：控制为根据所述数量增加所形成的发送所述数据流的数量 从所述发送天线发送的数据流变小，并且由所述无线接收机从所述发送波束接收任何一个或多个发送波束，其中所述发送波束由预定数量的多个发送天线形成。
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公开(公告)号：US20130040557A1
公开(公告)日：2013-02-14
申请号：US13655604
申请日：2012-10-19
Applicant: FUJITSU LIMITED
Inventor： Kotaro Shiizaki , Hiroyuki Seki
IPC: H04W88/04
CPC classification number: H04B7/15507 , H04B7/15557
Abstract: A wireless relay device relays data from a transmitting device to a receiving device by wireless communication. The wireless relay device includes a buffer and a buffer control unit. The buffer temporarily stores relay target data. The buffer control unit controls the buffer, based on comparison of priority of first data received from the transmitting device with priority of second data stored in the buffer, (i) to remove the second data from the buffer and to store the first data in the buffer or (ii) not to store the first data in the buffer.
Abstract translation: 无线中继装置通过无线通信将数据从发送装置中继到接收装置。 无线中继装置包括缓冲器和缓冲器控制单元。 缓冲器临时存储中继目标数据。 缓冲器控制单元基于从发送设备接收的第一数据的优先级与存储在缓冲器中的第二数据的优先级的优先级进行比较来控制缓冲器，（i）从缓冲器中移除第二数据并将第一数据存储在缓冲器中 缓冲区或（ii）不将第一个数据存储在缓冲区中。
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