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    CDMA communication system and its transmission power control method
    1.
    发明授权
    CDMA communication system and its transmission power control method 有权
    CDMA通信系统及其传输功率控制方法

    公开(公告)号：US06483816B2

    公开(公告)日：2002-11-19

    申请号：US09818510

    申请日：2001-03-28

    申请人： Katsuhiko Tsunehara ,  Takashi Yano ,  Nobukazu Doi ,  Takaki Uta ,  Keiji Hasegawa

    发明人： Katsuhiko Tsunehara ,  Takashi Yano ,  Nobukazu Doi ,  Takaki Uta ,  Keiji Hasegawa

    IPC分类号： H04B7185

    CPC分类号： H04W52/54 ,  H04W52/146 ,  H04W52/245 ,  H04W52/58 ,  H04W88/08

    摘要： An uplink channel transmission power control method is provided for a CDMA mobile communication system performing one way communication. A base station measures the received level of data transmitted from each mobile terminal at each channel, and generates a transmission power control signal of each uplink traffic channel. The generated transmission power control signals are multiplexed, and the multiplexed common transmission power control signal is transmitted to all mobile terminals by using the common channel shared by the mobile terminals. Each mobile terminal derives the transmission power control signal of the uplink traffic channel used by the terminal, from the received common transmission power control signal, and controls the transmission power of a data packet.

    摘要翻译： 为执行单向通信的CDMA移动通信系统提供上行信道发送功率控制方法。 基站测量在每个信道从每个移动终端发送的数据的接收电平，并且生成每个上行链路业务信道的发送功率控制信号。 所生成的发送功率控制信号被复用，并且通过使用由移动终端共享的公共信道将多路复用的公共发送功率控制信号发送到所有移动终端。 每个移动终端从接收到的公共发送功率控制信号中导出终端使用的上行链路业务信道的发送功率控制信号，并控制数据分组的发送功率。

    Wireless position measurement method and wireless position measurement system
    3.
    发明申请
    Wireless position measurement method and wireless position measurement system 失效
    无线位置测量方法和无线位置测量系统

    公开(公告)号：US20050078626A1

    公开(公告)日：2005-04-14

    申请号：US10956115

    申请日：2004-10-04

    申请人： Atsushi Ogino ,  Ryota Yamasaki ,  Katsuhiko Tsunehara ,  Naoto Matsuzawa ,  Hideya Suzuki ,  Takashi Yano

    发明人： Atsushi Ogino ,  Ryota Yamasaki ,  Katsuhiko Tsunehara ,  Naoto Matsuzawa ,  Hideya Suzuki ,  Takashi Yano

    IPC分类号： G01S5/10 ,  H04L12/28 ,  H04W64/00 ,  H04W84/12 ,  G01C21/28 ,  H04Q7/00 ,  H04Q7/20

    CPC分类号： H04W64/00 ,  H04W84/12

    摘要： A method and system for detecting the position of a mobile unit efficiently and with high precision in a multipath environment. A wireless position detection system made up of a mobile station containing a wireless communication means to allow sending and receiving multiple to and from mutually different antenna positions and, a base station for performing wireless communication with mobile stations containing a wireless communication means and, multiple wireless receivers for receiving each of the multiple signals sent by the wireless communication means between the base stations and, a server for detecting the position of the mobile station from each wireless receiver and from the position of the base station, and the time relating to received signals measured by the multiple wireless receivers.

    摘要翻译： 一种用于在多路径环境中有效且高精度地检测移动单元的位置的方法和系统。 一种由包含无线通信装置的移动站组成的无线位置检测系统，用于允许从互相不同的天线位置发送和接收多个天线;以及基站，用于与包含无线通信装置的移动站进行无线通信，以及多个无线 用于接收由基站之间的无线通信装置发送的多个信号中的每一个的接收机，以及用于从每个无线接收机检测移动台的位置和从基站的位置检测移动台的位置的服务器以及与接收信号有关的时间 由多个无线接收机测量。

    Access point apparatus for a system for determining the location of a terminal and a terminal location determining method
    5.
    发明授权
    Access point apparatus for a system for determining the location of a terminal and a terminal location determining method 失效
    用于确定终端的位置的系统的接入点装置和终端位置确定方法

    公开(公告)号：US07280521B2

    公开(公告)日：2007-10-09

    申请号：US10790005

    申请日：2004-03-02

    申请人： Katsuhiko Tsunehara ,  Takashi Yano

    发明人： Katsuhiko Tsunehara ,  Takashi Yano

    IPC分类号： H04Q7/24

    CPC分类号： H04W64/00 ,  G01S5/0221 ,  H04W88/08

    摘要： In an access point apparatus for a wireless LAN system equipped with a terminal location detecting function, memory capacity required for the access point apparatus is reduced. A received signal memory control module controls access such that a memory space of a received signal memory can be reused by performing sequentially overwrite operation while stopping capturing of the received signal in response to a packet detection signal outputted from a packet detecting module.

    摘要翻译： 在具有终端位置检测功能的无线LAN系统的接入点装置中，减少了接入点设备所需的存储器容量。 接收到的信号存储器控制模块控制接入，使得响应于从分组检测模块输出的分组检测信号，停止接收信号的捕获，通过执行顺序重写操作，可以重新使用接收信号存储器的存储器空间。

    Wireless position measurement method and wireless position measurement system
    6.
    发明授权
    Wireless position measurement method and wireless position measurement system 失效
    无线位置测量方法和无线位置测量系统

    公开(公告)号：US07266098B2

    公开(公告)日：2007-09-04

    申请号：US10956115

    申请日：2004-10-04

    申请人： Atsushi Ogino ,  Ryota Yamasaki ,  Katsuhiko Tsunehara ,  Naoto Matsuzawa ,  Hideya Suzuki ,  Takashi Yano

    发明人： Atsushi Ogino ,  Ryota Yamasaki ,  Katsuhiko Tsunehara ,  Naoto Matsuzawa ,  Hideya Suzuki ,  Takashi Yano

    IPC分类号： H04Q7/00 ,  H04Q7/20

    CPC分类号： H04W64/00 ,  H04W84/12

    摘要： A method and system for detecting the position of a mobile unit efficiently and with high precision in a multipath environment. A wireless position detection system made up of a mobile station containing a wireless communication means to allow sending and receiving multiple to and from mutually different antenna positions and, a base station for performing wireless communication with mobile stations containing a wireless communication means and, multiple wireless receivers for receiving each of the multiple signals sent by the wireless communication means between the base stations and, a server for detecting the position of the mobile station from each wireless receiver and from the position of the base station, and the time relating to received signals measured by the multiple wireless receivers.

    摘要翻译： 一种用于在多路径环境中有效且高精度地检测移动单元的位置的方法和系统。 一种由包含无线通信装置的移动站组成的无线位置检测系统，用于允许从互相不同的天线位置发送和接收多个天线;以及基站，用于与包含无线通信装置的移动站进行无线通信，以及多个无线 用于接收由基站之间的无线通信装置发送的多个信号中的每一个的接收机，以及用于从每个无线接收机检测移动台的位置和从基站的位置检测移动台的位置的服务器以及与接收信号有关的时间 由多个无线接收机测量。

    Software defined radio system
    7.
    发明申请
    Software defined radio system 失效
    软件定义无线电系统

    公开(公告)号：US20060045212A1

    公开(公告)日：2006-03-02

    申请号：US11025944

    申请日：2005-01-03

    申请人： Hirotake Ishii ,  Katsuhiko Tsunehara ,  Takashi Yano

    发明人： Hirotake Ishii ,  Katsuhiko Tsunehara ,  Takashi Yano

    IPC分类号： H04L27/06

    CPC分类号： H04L27/0008 ,  H04L7/04

    摘要： The invention provides a technique that saves rate conversion accompanying complicated calculations and shares an analog filter for anti-aliasing in a sampling device. The sampling device employs an anti-alias filter having a fixed cutoff frequency, an A/D converter and a D/A converter each having a clock signal input, which are capable of varying a sampling frequency, and a PLL circuit capable of varying the frequency of a clock signal; and it sets the sampling frequency not lower than an integral multiple of a signal bandwidth and double the cutoff frequency for sampling.

    摘要翻译： 本发明提供一种技术，其可以节省伴随复杂计算的速率转换，并且在采样装置中共享用于抗锯齿的模拟滤波器。 采样装置采用具有固定截止频率的抗混叠滤波器，具有能够改变采样频率的时钟信号输入的A / D转换器和D / A转换器，以及能够改变采样频率的PLL电路 时钟信号的频率; 并且将采样频率设置为不低于信号带宽的整数倍，并将采样的截止频率加倍。

    Mobile communication method using CDMA multiplexing technique and mobile communication system
    8.
    发明授权
    Mobile communication method using CDMA multiplexing technique and mobile communication system 失效
    使用CDMA复用技术和移动通信系统的移动通信方法

    公开(公告)号：US07006475B1

    公开(公告)日：2006-02-28

    申请号：US09786685

    申请日：1999-12-21

    申请人： Toshiro Suzuki ,  Takashi Yano ,  Takaki Uta ,  Katsuhiko Tsunehara ,  Hisato Iwai

    发明人： Toshiro Suzuki ,  Takashi Yano ,  Takaki Uta ,  Katsuhiko Tsunehara ,  Hisato Iwai

    IPC分类号： H04B7/216

    CPC分类号： H04B7/2618

    摘要： On the side of a mobile station, interference of a perch channel with call control information or a traffic channel is reduced, realizing stable communication. In a method of CDMA communication in which communication is made through the traffic channel for transmitting user data and the perch channel for transmitting a spreading code used for demodulation of the user data, the traffic channel has a call control channel subjected to the time division multiplex, and that call control channel and a part of the perch channel, which is non-orthogonal to the call control channel, are arranged not to overlap with each other in a time base.

    摘要翻译： 在移动台侧，导频信道与呼叫控制信息或业务信道的干扰减少，实现稳定的通信。 在通过用于发送用户数据的业务信道进行通信并且用于发送用于解调用户数据的扩展码的导频信道的CDMA通信的方法中，业务信道具有经过时分复用的呼叫控制信道 ，并且该呼叫控制信道和与呼叫控制信道非正交的导频信道的一部分被布置为在时基上彼此不重叠。

    Base station and wireless communication system
    9.
    发明申请
    Base station and wireless communication system 失效
    基站和无线通信系统

    公开(公告)号：US20050014525A1

    公开(公告)日：2005-01-20

    申请号：US10848367

    申请日：2004-05-19

    申请人： Katsuhiko Tsunehara ,  Takashi Yano

    发明人： Katsuhiko Tsunehara ,  Takashi Yano

    IPC分类号： G01S5/06 ,  H04L12/28 ,  H04W64/00 ,  H04W88/08 ,  H04Q7/20

    CPC分类号： H04W64/00 ,  H04W88/08

    摘要： The present invention reduces the number of base stations required to carry out terminal position detection. A base station which serves for terminal position detection using radio signals comprises an antenna to transmit and receive a radio signal; a radio signal receiver which generates a received signal from the radio signal received; a signal processing unit which processes the received signal and generates a transmit signal; a radio signal transmitter which generates a radio signal from the transmit signal; a control unit which exerts control of the base station operation; and a signal processing unit for position detection which performs signal processing for terminal position detection. A signal receivable range with which a signal can be received by the radio signal receiver is made longer than a signal transmission range with which a signal is transmitted by the radio signal transmitter.

    摘要翻译： 本发明减少了执行终端位置检测所需的基站的数量。 用于使用无线电信号进行终端位置检测的基站包括发射和接收无线电信号的天线; 从接收到的无线电信号产生接收信号的无线电信号接收机; 信号处理单元，处理所接收的信号并产生发送信号; 无线电信号发射机，其从所述发射信号产生无线电信号; 执行基站操作的控制的控制单元; 以及用于位置检测的信号处理单元，其执行用于终端位置检测的信号处理。 使得由无线电信号接收机可以接收信号的信号可接收范围比无线电信号发射机发送信号的信号传输范围更长。