公开(公告)号：US06879845B2

公开(公告)日：2005-04-12

申请号：US09930134

申请日：2001-08-16

申请人： Toshiro Suzuki ,  Ken Takei ,  Satoshi Takahashi ,  Hiroshi Usami ,  Yuuji Ishida

发明人： Toshiro Suzuki ,  Ken Takei ,  Satoshi Takahashi ,  Hiroshi Usami ,  Yuuji Ishida

IPC分类号： H04B7/02 ,  H04W16/28 ,  H04M1/00

CPC分类号： H04W16/28

摘要： In a time-division multiplexing wireless communication system, an antenna module has plural antenna elements. Receiver high-frequency circuit synthesizes signals from the antenna elements according to an antenna directivity having a desired beam pattern. Demodulator selects one of the received signals from wireless terminals according to the synthesized received signals, and determines transmission beam direction information for use in directing the beam in the selected direction. Weighting circuit generates weight coefficients for setting of the beam patterns and transmission beam directions according to the transmission beam direction information, and produces transmission time slots according to a table listing the relations of the transmission beam directions and the time slots for use in the beam radiation in those directions. Down-link fixed beam-forming circuit and modulator control the antenna module using the generated beam pattern, beam direction and transmission time slots to transmit the down-link signal.

摘要翻译： 在时分复用无线通信系统中，天线模块具有多个天线元件。 接收机高频电路根据具有所需波束图案的天线方向性从天线元件合成信号。 解调器根据合成的接收信号从无线终端选择一个接收到的信号，并且确定用于将波束指向所选方向的传输波束方向信息。 加权电路根据传输波束方向信息产生用于设置波束图案和传输波束方向的加权系数，并根据列出发射波束方向与用于波束辐射的时隙的关系的表产生传输时隙 在这些方向。 下行链路固定波束形成电路和调制器使用生成的波束图案，波束方向和传输时隙来控制天线模块，以发送下行链路信号。

公开(公告)号：US07068637B2

公开(公告)日：2006-06-27

申请号：US09794343

申请日：2001-02-28

申请人： Joichi Saito ,  Yuuji Ishida ,  Toshiro Suzuki

发明人： Joichi Saito ,  Yuuji Ishida ,  Toshiro Suzuki

IPC分类号： H04B7/216

CPC分类号： H04B1/71072

摘要： In a mobile communication system employing code division multiple accesses and having radio logical channels such as control channels and traffic channels, for the purpose of interference cancellation processing which is implemented without a large processing delay even under a call control application, the baseband receiving part of the mobile communication system includes a common control channel demodulator 302 which executes the demodulation processing of a common control channel as to a received baseband reception signal 301, an interference canceller 309 which executes interference cancellation processing for a received multiplexed signal on the basis of the notification information of the control channels, and a synthesis/error correction processor 315 which executes error correction processing, etc. as to user information having undergone the interference cancellation processing and thereafter executes frame formation processing. The common control channel is demodulated by the common control channel demodulator 302 and is not submitted to interference cancellation processing, thereby to heighten the processing speed of system information. In the interference canceller 309, cross-correlation interferences are cancelled as to the dedicated control channel and the traffic channel other than the common control channel, thereby to enhance a channel efficiency.

摘要翻译： 在采用码分多址的移动通信系统中，具有诸如控制信道和业务信道的无线电逻辑信道，为了即使在呼叫控制应用下也没有大的处理延迟而实现的干扰消除处理，基带接收部分 移动通信系统包括公共控制信道解调器302，其执行关于接收基带接收信号301的公共控制信道的解调处理，干扰消除器309，其基于通知执行接收的多路复用信号的干扰消除处理 控制信道的信息，以及对经过干扰消除处理的用户信息执行纠错处理的合成/纠错处理器315，然后执行帧形成处理。 公共控制信道由公共控制信道解调器302解调，不进行干扰消除处理，提高系统信息的处理速度。 在干扰消除器309中，对专用控制信道和除公共控制信道以外的业务信道的互相关干扰被消除，从而提高信道效率。

公开(公告)号：US06615030B1

公开(公告)日：2003-09-02

申请号：US09656139

申请日：2000-09-06

申请人： Joichi Saito ,  Naruhito Nakahara ,  Yuuji Ishida ,  Naoki Tsubaki ,  Toshinori Suzuki ,  Yoshio Takeuchi ,  Sumaru Niida

发明人： Joichi Saito ,  Naruhito Nakahara ,  Yuuji Ishida ,  Naoki Tsubaki ,  Toshinori Suzuki ,  Yoshio Takeuchi ,  Sumaru Niida

IPC分类号： H04B110

CPC分类号： H04B1/71075

摘要： In order to prevent decrease of channel efficiency and to effectuate high quality communication while moderating increase of apparatus scale of an interference canceler part and cutting down costs, in a mobile communication and radio base station apparatus according to the present invention, an interference cancel processing part within the base station apparatus is provided with reverse spread processing/respread processing parts for performing reverse spread processing and respread processing on received signals, synthesizing processing parts for synthesizing signals that have been subjected to the respread processing, and subtraction processing parts for subtracting the synthesized signal from received signal, in multiple stages. The interference cancel processing part processes received signals of users #1-#k. As a demodulation processing part, there is provided n demodulation processing parts that perform demodulation processing for received signals of users #1-#n, the number of those users being larger than the number of the users that can be processed in the interference cancel processing part. Those demodulation processing parts perform demodulation processing with respect to signals that have been subjected to the interference cancel processing.

摘要翻译： 在本发明的移动通信和无线基站装置中，为了防止信道效率的降低和高质量的通信的同时抑制干扰消除部的装置规模的增加和降低成本，在本发明的移动通信和无线基站装置中， 在基站装置内设置有用于对接收信号进行反向扩展处理和再次处理的反向扩展处理/再处理部分，合成用于合成已经进行了再次处理的信号的处理部分，以及用于减去合成的 来自接收信号的信号，多级。 干扰消除处理部分处理用户＃1-＃k的接收信号。 作为解调处理部分，提供了对用户＃1-＃n的接收信号执行解调处理的n个解调处理部分，这些用户的数量大于在干扰消除处理中可以处理的用户的数量 部分。 那些解调处理部分对已经经过干扰消除处理的信号执行解调处理。

公开(公告)号：US20060113143A1

公开(公告)日：2006-06-01

申请号：US11256504

申请日：2005-10-21

申请人： Yuuji Ishida

发明人： Yuuji Ishida

IPC分类号： H05K5/00

CPC分类号： H04M1/035 ,  H04M1/0214 ,  H04R5/02 ,  H04R2205/022 ,  H04R2499/11

摘要： An acoustic device able to provide sounds showing a stereo effect even if a housing is small in size, wherein, inside a first surface of a second housing, each of sound guiding spaces (sound resonance spaces) for the respective speakers is defined by a sound outputting surface of the speaker, a front surface side case, and an inner wall formed between the sound outputting surface of the speaker and the front surface side case, further, first sound outputting holes outputting sounds in a high frequency sound band and second sound outputting holes outputting sounds in an intermediate frequency sound band and in a low frequency sound band are provided so as to communicate with the respective sound guiding spaces (sound resonance spaces).

摘要翻译： 一种能够提供即使外壳尺寸小的立体声效果的声音装置，其中，在第二壳体的第一表面内，用于各个扬声器的每个声音引导空间（声音空间）由声音定义 扬声器的输出面，前表面侧壳体和形成在扬声器的声音输出面与前表面侧壳体之间的内壁之间，还具有输出高频声带的声音的第一声音输出孔和第二声音输出 设置在中频声带和低频声带中输出声音的孔，以便与相应的声音引导空间（声音空间）通信。

公开(公告)号：US06895038B2

公开(公告)日：2005-05-17

申请号：US09770819

申请日：2001-01-26

申请人： Joichi Saito ,  Hideki Shimizu ,  Naoki Tsubaki ,  Yuuji Ishida ,  Toshinori Suzuki

发明人： Joichi Saito ,  Hideki Shimizu ,  Naoki Tsubaki ,  Yuuji Ishida ,  Toshinori Suzuki

IPC分类号： H04J13/00 ,  H04B1/7093 ,  H04B1/7107 ,  H04W76/02 ,  H04W88/08 ,  H04B15/00 ,  H04K1/00 ,  H04L27/30

CPC分类号： H04B1/7107

摘要： A low-cost communication system utilizing a code division multiple access, which controls scale-up of an apparatus due to the provision of an interference suppressing function in a base transceiver station, prevents the reduction of channel utilization efficiency, and enables a high-quality communication. Conventionally, a signal obtained through an interference cancellation stage process has been processed at subsequent cascade-connected stages. The interference cancellation stage process has been carried out by cascade-connecting several circuits performing the same process in a multi-stage interference-canceling device. However, in the present invention, by performing a demodulation process for generating replica signals, feeding back the replica signals to a correlation circuit for another demodulation process, and repeating the same signal process, the interference cancellation stage process is carried out. Such a configuration enables reduction of hardware.

摘要翻译： 利用码分多址的低成本通信系统，其控制由于在基站收发台中提供干扰抑制功能而使设备的放大，防止信道利用效率的降低，并且能够实现高质量 通讯。 通常，通过干扰消除级处理获得的信号已经在随后的级联连接级处理。 干扰消除阶段处理是通过在多级干扰消除装置中级联连接执行相同处理的多个电路来执行的。 然而，在本发明中，通过执行用于产生复制信号的解调处理，将复制信号反馈到用于另一解调处理的相关电路，并重复相同的信号处理，执行干扰消除级处理。 这样的配置能够减少硬件。

公开(公告)号：US06834197B2

公开(公告)日：2004-12-21

申请号：US09725840

申请日：2000-11-30

申请人： Naruhito Nakahara ,  Yuuji Ishida ,  Naoki Tsubaki ,  Joichi Saito ,  Toshinori Suzuki ,  Yoshio Takeuchi ,  Sumaru Niida

发明人： Naruhito Nakahara ,  Yuuji Ishida ,  Naoki Tsubaki ,  Joichi Saito ,  Toshinori Suzuki ,  Yoshio Takeuchi ,  Sumaru Niida

IPC分类号： H04Q720

CPC分类号： H04W52/24 ,  H04W52/08 ,  H04W52/12

摘要： A base station apparatus, a mobile radio system, and a transmission power control method that can perform transmission power control having the high interference suppressing effect with a smaller processing delay are provided. The base station apparatus comprises: a measurement part for measuring SIRs of a received signal subjected to interference suppression by an interference suppressing receiving circuit in a former stage in an interference suppressing receiving part of the radio base station apparatus, and of a received signal subjected to interference suppression by an interference suppressing receiving circuit in a later stage; a calculation part for calculating a correction SIR based on the obtained SIRs, and for estimating a transmission power control SIR from a current first stage SIR and a past correction SIR; and a signal generator for generating a transmission power control signal by comparing the transmission power control SIR and a target SIR. Control of transmission power of a mobile station is performed by transmitting this transmission power control signal to the mobile station.

摘要翻译： 提供了能够以较小的处理延迟进行具有高干扰抑制效果的发送功率控制的基站装置，移动无线电系统以及发送功率控制方法。 基站装置包括：测量部，用于测量由无线基站装置的干扰抑制接收部分中的前级的干扰抑制接收电路进行了干扰抑制的接收信号的SIR，以及接收信号 在后期的干扰抑制接收电路的干扰抑制; 计算部分，用于基于所获得的SIR来计算校正SIR，并且用于从当前第一阶段SIR和过去校正SIR估计发送功率控制SIR; 以及信号发生器，用于通过比较发送功率控制SIR和目标SIR来产生发送功率控制信号。 通过向移动台发送该发送功率控制信号来执行移动台的发送功率的控制。

公开(公告)号：US08124926B2

公开(公告)日：2012-02-28

申请号：US12408347

申请日：2009-03-20

申请人： Yuuji Ishida

发明人： Yuuji Ishida

IPC分类号： G02B6/00

CPC分类号： H04M1/22 ,  H01H2231/022 ,  H01H2239/022 ,  H04M1/0214 ,  H04M1/23

摘要： The key device of the present invention is provided with: first light-emitting portions that emit light propagating in a first direction; second light-emitting portions that emit the light R propagating in a second direction; converters H that can convert a propagating direction of light from the first direction to the second direction, or from the second direction to the first direction; first light-receiving portions that receive light propagating in the first direction through the converters; second light-receiving portions that receive light propagating in the second direction through the converters; and a plurality of keys, which are provided correspondingly to the converters, and which determine whether the propagating direction of light is converted in the converters.

摘要翻译： 本发明的关键装置具有：发射沿第一方向传播的光的第一发光部分; 第二发光部，其发射沿第二方向传播的光R; 转换器H，其可以将光的传播方向从第一方向转换到第二方向，或者从第二方向转换到第一方向; 第一光接收部，其接收沿着第一方向通过转换器传播的光; 第二光接收部，其接收沿着第二方向通过转换器传播的光; 以及与转换器对应地设置并且确定在转换器中光的传播方向是否被转换的多个键。