公开(公告)号：US08170622B2

公开(公告)日：2012-05-01

申请号：US13169590

申请日：2011-06-27

申请人： Yoshiharu Tajima ,  Hideto Furukawa ,  Kazuo Kawabata ,  Yoshihiro Kawasaki ,  Kazuhisa Obuchi

发明人： Yoshiharu Tajima ,  Hideto Furukawa ,  Kazuo Kawabata ,  Yoshihiro Kawasaki ,  Kazuhisa Obuchi

IPC分类号： H04B1/38

CPC分类号： H04W8/02 ,  H04W8/04 ,  H04W48/18 ,  H04W60/04 ,  H04W88/06 ,  H04W88/14 ,  H04W88/18 ,  H04W92/02 ,  Y02D70/00

摘要： The mobile communication network system having a plurality of mobile communication systems each including a base station performing wireless communications with a mobile station, comprises a storage unit storing location information of the mobile station, an acquisition unit acquiring, when receiving a location registering request from the mobile station, a communication-enabled mobile communication system in the mobile station as a sender of the location registering request, a specifying unit specifying a base station existing within the acquired communication-enabled mobile communication system and existing in the periphery of the base station receiving the location registering request, and a control unit storing the storage unit with information of the base station receiving the location registering request and information of the specified base station as location information about the sender mobile station of the location registering request.

摘要翻译： 具有多个移动通信系统的移动通信网络系统，每个移动通信系统各自包括与移动台进行无线通信的基站，所述移动通信系统包括存储所述移动台的位置信息的存储单元，当从所述移动台接收到所述移动台的位置登记请求时， 移动站，作为位置登记请求的发送者的移动站中的通信使能移动通信系统，指定存在于所获取的通信能力的移动通信系统内并存在于接收到的基站的外围的基站的指定单元 位置注册请求，以及控制单元，存储具有接收位置注册请求的基站的信息和指定的基站的信息的信息作为关于位置注册请求的发送者移动站的位置信息。

公开(公告)号：US20070242654A1

公开(公告)日：2007-10-18

申请号：US11812788

申请日：2007-06-21

申请人： Kazuo Kawabata ,  Hideto Furukawa ,  Kazuhisa Obuchi ,  Yoshiharu Tajima

发明人： Kazuo Kawabata ,  Hideto Furukawa ,  Kazuhisa Obuchi ,  Yoshiharu Tajima

IPC分类号： H04B7/212

CPC分类号： H04W74/0866 ,  H04W72/1278

摘要： The radio communication system, comprises: a base station; and a plurality of terminals which perform reservation request for radio resources necessary for data transmission to said base station at random, wherein each of the plurality of terminals are allocated with individualized radio resources for reservation request necessary for the terminal to perform the reservation request to the base station. As a result, the occurrence of collision of reservation requests is eliminated.

摘要翻译： 无线通信系统包括：基站; 以及多个终端，其对随机地向所述基站进行数据传输所需的无线电资源进行预约请求，其中，为所述终端执行所述预留请求所需的预留请求分配给所述多个终端中的每一个， 基站。 结果，消除了预约请求的冲突的发生。

公开(公告)号：US5586148A

公开(公告)日：1996-12-17

申请号：US455127

申请日：1995-05-31

申请人： Hideto Furukawa ,  Kazuo Kawabata

发明人： Hideto Furukawa ,  Kazuo Kawabata

IPC分类号： H04L27/38 ,  H03D1/22 ,  H04L1/06 ,  H04L27/22 ,  H04L27/227 ,  H03D1/00 ,  H04L27/06

CPC分类号： H03D1/22 ,  H04L1/06 ,  H04L27/2275

摘要： A coherent detection system synchronously detects a received wave involving a Doppler shift. To realize a stable demodulation performance, the system has a memory for storing in advance Doppler shifts to be related to an input signal and corresponding pass bands to reduce the bit error rate of restored information to below an allowable maximum when the corresponding Doppler shifts are present; an estimating unit for finding levels of the input signal or instantaneous values R of the input signal that form an envelope, counting the number N per unit time of points where the envelope crosses a threshold, and estimating a Doppler shift fD according to an expression that indicates the ratio of the number N to the Doppler shift fD and involves the in-phase and orthogonal components of the input signal, a distribution of the temporal differentiation of these components, a distribution of power spectra, and the instantaneous values normalized by the threshold; and a band controller for retrieving a pass band corresponding to the estimated Doppler shift fD from the memory and setting the pass band to a filter of the system.

摘要翻译： 相干检测系统同步地检测涉及多普勒频移的接收波。 为了实现稳定的解调性能，系统具有存储器，用于预先存储与输入信号和对应的通带相关的多普勒频移，以便当存在相应的多普勒频移时将恢复的信息的误码率降低到可允许的最大值以下 ; 用于发现输入信号的电平或形成包络的输入信号的瞬时值R的估计单元，对包络线跨越阈值的每单位时间点的数量N进行计数，并根据以下表达式来估计多普勒频移fD： 表示数量N与多普勒频移fD的比率，并且涉及输入信号的同相和正交分量，这些分量的时间微分的分布，功率谱的分布和由阈值归一化的瞬时值 ; 以及频带控制器，用于从存储器检索对应于估计的多普勒频移fD的通带，并将通带设置为系统的滤波器。

公开(公告)号：US5515401A

公开(公告)日：1996-05-07

申请号：US463920

申请日：1995-06-05

申请人： Tetsuyoshi Takenaka ,  Hideto Furukawa ,  Nobutsugu Fujino ,  Satoru Chikuma ,  Atsushi Yamashita ,  Takeshi Inoue

发明人： Tetsuyoshi Takenaka ,  Hideto Furukawa ,  Nobutsugu Fujino ,  Satoru Chikuma ,  Atsushi Yamashita ,  Takeshi Inoue

IPC分类号： H04J3/06 ,  H04L1/00 ,  H04B7/00

CPC分类号： H04W56/0035 ,  H04J3/0638 ,  H04L1/00

摘要： A network control system for controlling a plurality of nodes respectively corresponding to, and provided in, a plurality of radio zones. Each node has a corresponding base station. A mobil station travels among the plurality of radio zones and communicates with the base station of a respective node when travelling in a radio zone corresponding to the respective node. Each base station transmits a transmission signal to adjacent nodes and receives transmission signals transmitted from the base stations of adjacent nodes. Each base station includes (a) a reception automatic frequency control unit receiving the transmission signals transmitted by base stations of adjacent nodes, and performing an automatic frequency control operation for each received transmission signal, (b) a frequency error detection unit detecting a frequency error between the automatic frequency controlled transmission signals and a frequency obtained by adding a nominal frequency gap between base stations to the transmission frequency of the transmission signal of the node corresponding to the frequency error detection unit, (c) an averaging unit spatially filtering the frequency errors to produce a spatial mean value, and (d) a transmission frequency control unit controlling the transmission frequency of the node corresponding to the transmission frequency control unit in accordance with the spatial mean value, to substantially eliminate the frequency errors.

摘要翻译： 一种网络控制系统，用于分别对应于并提供在多个无线电区域中的多个节点进行控制。 每个节点都有相应的基站。 移动站在多个无线电区域中行进，并且在与相应节点对应的无线电区域中行进时，与相应节点的基站进行通信。 每个基站向相邻节点发送传输信号，并接收从相邻节点的基站发送的传输信号。 每个基站包括：（a）接收自动频率控制单元，接收相邻节点的基站发送的发送信号，并对每个所接收的发送信号执行自动频率控制操作;（b）频率误差检测单元，检测频率误差 在自动频率控制传输信号之间和通过将基站之间的标称频率间隔相加到与频率误差检测单元相对应的节点的传输信号的传输频率而获得的频率，（c）空间滤波频率误差 以产生空间平均值，以及（d）发送频率控制单元，根据空间平均值来控制对应于发送频率控制单元的节点的发送频率，以基本上消除频率误差。

公开(公告)号：US08086256B2

公开(公告)日：2011-12-27

申请号：US12535996

申请日：2009-08-05

申请人： Yoshiharu Tajima ,  Hideto Furukawa ,  Kazuo Kawabata ,  Yoshihiro Kawasaki ,  Kazuhisa Obuchi

发明人： Yoshiharu Tajima ,  Hideto Furukawa ,  Kazuo Kawabata ,  Yoshihiro Kawasaki ,  Kazuhisa Obuchi

IPC分类号： H04B7/00

CPC分类号： H04W74/0833 ,  H04W74/002 ,  H04W74/0866

摘要： A scheduling method for transmitting an uplink signal from a mobile station to a base station comprises transmitting the uplink signal in a first scheduling mode in which the mobile station can transmit the uplink data without permission of the base station if an uplink communication state between the base station and the mobile station is higher than or equal to a predetermined quality; and transmitting the uplink signal in a second scheduling mode in which the permission is necessary for the mobile station transmitting the uplink data if the uplink communication state is lower than the predetermined quality.

摘要翻译： 用于从移动台向基站发送上行链路信号的调度方法包括以第一调度模式发送所述上行链路信号，其中，如果所述基站的基站之间的上行链路通信状态，则所述移动站可以在没有所述基站许可的情况下发送所述上行链路数据 站和移动站高于或等于预定质量; 以及如果所述上行链路通信状态低于所述预定质量，则以所述移动台发送所述上行链路数据需要许可的第二调度模式来发送所述上行链路信号。

公开(公告)号：US08060022B2

公开(公告)日：2011-11-15

申请号：US12819299

申请日：2010-06-21

申请人： Yoshiharu Tajima ,  Hideto Furukawa ,  Kazuo Kawabata ,  Yoshihiro Kawasaki ,  Kazuhisa Obuchi

发明人： Yoshiharu Tajima ,  Hideto Furukawa ,  Kazuo Kawabata ,  Yoshihiro Kawasaki ,  Kazuhisa Obuchi

IPC分类号： H04B17/00

CPC分类号： H04W74/0833 ,  H04W74/002 ,  H04W74/0866

摘要： The present method adds uplink data to a transmission request sent to the base station from the mobile station for obtaining permission for data transmission, or to a channel establishment request sent from the mobile station to the base station for establishing a channel in order to send the transmission request therethrough. This makes it possible to suppress delay caused by negotiation prior to actual uplink data transmission as much as possible, thereby realizing efficient uplink data transmission, that is, improved throughput of uplink communication.

摘要翻译： 本方法将上行链路数据添加到从移动台发送到基站的发送请求，以获得数据传输的许可，或者从移动台向基站发送的用于建立信道的信道建立请求，以便发送 传输请求。 这使得可以尽可能地抑制在实际上行链路数据传输之前由协商引起的延迟，从而实现有效的上行链路数据传输，即提高上行链路通信的吞吐量。

公开(公告)号：US07983673B2

公开(公告)日：2011-07-19

申请号：US11270680

申请日：2005-11-10

申请人： Yoshiharu Tajima ,  Hideto Furukawa ,  Kazuo Kawabata ,  Yoshihiro Kawasaki ,  Kazuhisa Obuchi

发明人： Yoshiharu Tajima ,  Hideto Furukawa ,  Kazuo Kawabata ,  Yoshihiro Kawasaki ,  Kazuhisa Obuchi

IPC分类号： H04W4/00

CPC分类号： H04W8/02 ,  H04W8/04 ,  H04W48/18 ,  H04W60/04 ,  H04W88/06 ,  H04W88/14 ,  H04W88/18 ,  H04W92/02 ,  Y02D70/00

摘要： The mobile communication network system having a plurality of mobile communication systems each including a base station performing wireless communications with a mobile station, comprises a storage unit storing location information of the mobile station, an acquisition unit acquiring, when receiving a location registering request from the mobile station, a communication-enabled mobile communication system in the mobile station as a sender of the location registering request, a specifying unit specifying a base station existing within the acquired communication-enabled mobile communication system and existing in the periphery of the base station receiving the location registering request, and a control unit storing the storage unit with information of the base station receiving the location registering request and information of the specified base station as location information about the sender mobile station of the location registering request.

摘要翻译： 具有多个移动通信系统的移动通信网络系统，每个移动通信系统各自包括与移动台进行无线通信的基站，所述移动通信系统包括存储所述移动台的位置信息的存储单元，当从所述移动台接收到所述移动台的位置登记请求时， 移动站，作为位置登记请求的发送者的移动站中的通信使能移动通信系统，指定存在于所获取的通信能力的移动通信系统内并存在于接收到的基站的外围的基站的指定单元 位置注册请求，以及控制单元，存储具有接收位置注册请求的基站的信息和指定的基站的信息的信息作为关于位置注册请求的发送者移动站的位置信息。

公开(公告)号：US07912487B2

公开(公告)日：2011-03-22

申请号：US11696710

申请日：2007-04-04

申请人： Yoshiharu Tajima ,  Kazuo Kawabata ,  Yoshiaki Ohta ,  Kazuhisa Obuchi ,  Hideto Furukawa ,  Yoshihiro Kawasaki

发明人： Yoshiharu Tajima ,  Kazuo Kawabata ,  Yoshiaki Ohta ,  Kazuhisa Obuchi ,  Hideto Furukawa ,  Yoshihiro Kawasaki

IPC分类号： H04B7/00

CPC分类号： H04W52/262 ,  H04L1/0003 ,  H04W52/243 ,  H04W52/283 ,  H04W72/048

摘要： A mobile communication system in which, when transmission is performed from a base station to a terminal device, a modulation scheme is designated, from among at least two modulation schemes with different modulation levels, on the basis of reception quality at the terminal to perform transmission from the base station. The system includes a base station transmitting at a first transmission power using a frequency designed for, in a channel allocation scheme of the system, not causing interference with an adjacent base station and using a first modulation scheme, and a second channel transmitting at a second transmission power lower than the first transmission power, and when the base station uses the second channel, a second modulation scheme having a lower modulation level than the first modulation scheme is designated, and communication is performed.

摘要翻译： 一种移动通信系统，其中当从基站到终端设备进行传输时，根据终端的接收质量，从具有不同调制级的至少两个调制方案中指定调制方案，以进行传输 从基站。 该系统包括基站，其使用在系统的信道分配方案中设计的频率以第一发射功率发射，不对相邻基站造成干扰，并且使用第一调制方案，以及第二信道在第二传输 发送功率低于第一发送功率，并且当基站使用第二信道时，指定具有比第一调制方案低的调制级别的第二调制方式，并且进行通信。

公开(公告)号：US20080070632A1

公开(公告)日：2008-03-20

申请号：US11785828

申请日：2007-04-20

申请人： Kazuhisa Obuchi ,  Yoshiharu Tajima ,  Kazuo Kawabata ,  Yoshiaki Ohta ,  Hideto Furukawa ,  Yoshihiro Kawasaki

发明人： Kazuhisa Obuchi ,  Yoshiharu Tajima ,  Kazuo Kawabata ,  Yoshiaki Ohta ,  Hideto Furukawa ,  Yoshihiro Kawasaki

IPC分类号： H04M1/00

CPC分类号： H04W74/0866

摘要： A mobile communication terminal (UE) comprises: a transmitting unit (213, 211) which transmits a signal via a radio resource allocated to the mobile communication terminal (UE) for the transmission of a prescribed control signal; and a signal selector unit (214) which, when upstream traffic occurs, selects a reservation request signal as the signal to be transmitted via the allocated radio resource wherein, when the mobile communication terminal (UE) is in a standby state, the reservation request signal is transmitted from the mobile communication terminal (UE) to the base station (BS) by using the radio resource allocated to the mobile communication terminal (UE) for the transmission of the prescribed control information.

摘要翻译： 移动通信终端（UE）包括：通过分配给移动通信终端（UE）的无线电资源发送信号以发送规定的控制信号的发送单元（213,211）; 以及信号选择器单元（214），当上游业务发生时，经由所分配的无线电资源选择预约请求信号作为要发送的信号，其中，当移动通信终端（UE）处于待机状态时，预约请求 通过使用分配给移动通信终端（UE）的无线资源来发送规定的控制信息，从移动通信终端（UE）向基站（BS）发送信号。

公开(公告)号：US07310305B2

公开(公告)日：2007-12-18

申请号：US10143747

申请日：2002-05-10

申请人： Hideto Furukawa ,  Makoto Yoshida ,  Nami Hatazoe

发明人： Hideto Furukawa ,  Makoto Yoshida ,  Nami Hatazoe

IPC分类号： H04J11/00

CPC分类号： H04B1/707 ,  H04B2001/70935 ,  H04L27/20 ,  H04L27/3818 ,  H04L27/3845

摘要： Reference phase is a radio communication system using orthogonal M-ary modulation is determined, so that a coherent detection system for a CDMA radio communication system is readily achieved. The determination of reference phase is performed by the step of determining a reference phase in a radio communication system, which uses orthogonal M-ary codes comprising the steps of determining the correlation values of an in-phase component and quadrature component corresponding to respective Hadamard matrices resulting from fast Hadamard transform or inverse Hadamard transform of a signal, which possesses said in-phase component and quadrature component, and which is sent from the sending end by phase shift keying an orthogonal M-ary code computing the sum of the squares of the respective correlation values of said in-phase component and quadrature component and selecting either said fast Hadamard transform or inverse Hadamard transform output, which outputs a maximum value of said computed sum of the squares.

摘要翻译： 参考相位是确定使用正交M进制调制的无线电通信系统，从而容易地实现用于CDMA无线电通信系统的相干检测系统。 参考相位的确定通过确定无线电通信系统中的参考相位的步骤来执行，该无线电通信系统使用正交的M元码，包括以下步骤：确定与相应的哈达玛矩阵相对应的同相分量和正交分量的相关值 由具有所述同相分量和正交分量的信号的快速Hadamard变换或反Hadamard变换产生，并且通过相移键控从发送端发送正交M代码，计算正交M代码的平方和 所述同相分量和正交分量的相应相关值，并选择所述快速哈达玛变换或反哈达玛变换输出，其输出所计算的平方和的最大值。