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    • 1. 发明申请
    • Frequency Division Multiplex Transmission Device
    • 频分复用传输设备
    • US20100080208A1
    • 2010-04-01
    • US12632889
    • 2009-12-08
    • Akira UTAKOUJIKenichiro KOYANAGI
    • Akira UTAKOUJIKenichiro KOYANAGI
    • H04J1/00H04L27/28
    • H04L5/0046H04L1/0003H04L1/0015H04L5/006
    • A frequency multiplex transmission device configured to transmit and receive a frequency multiplex signal having a plurality of subcarriers, the frequency multiplex transmission device comprising: a transmitter configured to transmit the frequency multiplex signal by using a plurality of modulation methods; a receiver configured to receive a signal state to the frequency multiplex signal from an opposite station; and a controller configured to obtain a signal state to each of the subcarriers on the basis of the received signal state and a frequency characteristic of an antenna included in the transmitter, the controller being configured to control transmission on the basis of an obtained result.
    • 一种频率复用传输装置,被配置为发送和接收具有多个子载波的频率复用信号,所述频率复用传输装置包括:发射机,被配置为通过使用多种调制方法发射所述频率复用信号; 接收器,被配置为从相对的站接收到所述频率复用信号的信号状态; 以及控制器,其被配置为基于所述接收信号状态和包括在所述发射机中的天线的频率特性来获得对每个子载波的信号状态,所述控制器被配置为基于获得的结果来控制传输。
    • 3. 发明授权
    • Wireless line usage status monitoring method and device
    • 无线线路使用状况监控方法及设备
    • US08755351B2
    • 2014-06-17
    • US12691839
    • 2010-01-22
    • Kenichiro Koyanagi
    • Kenichiro Koyanagi
    • H04W4/00H04J3/06
    • H04W48/20H04B17/26H04B17/327H04W24/08H04W36/0083H04W48/14
    • For monitoring a wireless line usage status more effectively, a mobile station extracts a synchronizing signal of each of frames received from a plurality of base stations and a known signal transmitted together with transmission data within a time slot in which the transmission data are included but not transmitted within a time slot in which the transmission data are not included. The mobile station then measures a reception power of the synchronizing signal and a reception power of the known signal for each base station. And the mobile station determines a usage status of a wireless line of each base station based on the reception power of the synchronizing signal and the reception power of the known signal.
    • 为了更有效地监视无线线路使用状态,移动台在包括传输数据的时隙内提取从多个基站接收的每个帧的同步信号和与发送数据一起发送的已知信号,但不包括 在不包括发送数据的时隙内发送。 移动台然后测量每个基站的同步信号的接收功率和已知信号的接收功率。 并且移动台基于同步信号的接收功率和已知信号的接收功率来确定每个基站的无线线路的使用状态。
    • 4. 发明授权
    • Data communication system capable of adjusting transmission speeds
    • 能够调整传输速度的数据通信系统
    • US08386635B2
    • 2013-02-26
    • US11077215
    • 2005-03-11
    • Kenichiro KoyanagiNorio Murakami
    • Kenichiro KoyanagiNorio Murakami
    • G06F15/16
    • H04L47/30H04L47/14H04L67/06H04L69/329
    • A communication system is disclosed, including: a network in which the transmission speeds of a upstream channel and a downstream channel for transmitting data can be changed independently; a data storage server connected to the network, the data storage server configured to store data uploaded thereto via the network; and a communication terminal connected to the network, the communication terminal configured to upload old data stored therein to the data storage server via the network thereby to move the old data to the data storage server, and download new data via the network thereby to store the new data therein. The communication terminal is further configured to request the network to change at least one of the transmission speeds of the upstream channel and the downstream channel based on remaining memory capacity thereof and the transmission speeds such that there remains memory capacity available for the new data.
    • 公开了一种通信系统,包括:可以独立地改变用于传输数据的上行信道和下行信道的传输速度的网络; 连接到所述网络的数据存储服务器,所述数据存储服务器被配置为存储经由所述网络上传到其上的数据; 以及连接到网络的通信终端,通信终端被配置为经由网络将存储在其中的旧数据上传到数据存储服务器,从而将旧数据移动到数据存储服务器,并经由网络下载新数据,从而存储 新数据。 通信终端还被配置为基于其剩余存储容量和传输速度来请求网络改变上游信道和下游信道的传输速度中的至少一个,使得存在可用于新数据的存储器容量。
    • 5. 发明授权
    • Frequency division multiplex transmission device
    • 频分复用传输装置
    • US08369236B2
    • 2013-02-05
    • US12632889
    • 2009-12-08
    • Akira UtakoujiKenichiro Koyanagi
    • Akira UtakoujiKenichiro Koyanagi
    • G01R31/08H04J1/00H04J3/16
    • H04L5/0046H04L1/0003H04L1/0015H04L5/006
    • A frequency multiplex transmission device configured to transmit and receive a frequency multiplex signal having a plurality of subcarriers, the frequency multiplex transmission device comprising: a transmitter configured to transmit the frequency multiplex signal by using a plurality of modulation methods; a receiver configured to receive a signal state to the frequency multiplex signal from an opposite station; and a controller configured to obtain a signal state to each of the subcarriers on the basis of the received signal state and a frequency characteristic of an antenna included in the transmitter, the controller being configured to control transmission on the basis of an obtained result.
    • 一种频率复用传输装置,被配置为发送和接收具有多个子载波的频率复用信号,所述频率复用传输装置包括:发射机,被配置为通过使用多种调制方法发射所述频率复用信号; 接收器,被配置为从相对的站接收到所述频率复用信号的信号状态; 以及控制器,其被配置为基于所述接收信号状态和包括在所述发射机中的天线的频率特性来获得对每个子载波的信号状态,所述控制器被配置为基于获得的结果来控制传输。