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    • 114. 发明授权
    • Method for detecting a shield in predicting radio wave propagation characteristics and system for use with the same method
    • 用于在预测无线电波传播特性中检测屏蔽的方法和使用相同方法的系统
    • US06922563B2
    • 2005-07-26
    • US09962886
    • 2001-09-25
    • Hiroshi FurukawaYoshinori Watanabe
    • Hiroshi FurukawaYoshinori Watanabe
    • G01R29/08H04B7/26H04B17/00H04B17/391H04W16/18H04W24/00H04Q7/20
    • H04B17/391
    • An object of the present invention is to provide a method for detecting a shield in predicting the radio wave propagation characteristics by a technique of the geometrical optics capable of detecting a content which a ray strikes, at high rate, when the ray is radiated within the observation space. In the case where the rays and the contents are given, the projected objects given by the line or plane are set up, and if an image of the content projected onto the projected object and an image of the ray projected onto the projected object do not intersect, the content is excluded from the shield detection object. A plurality of projected objects i (i=1 to M) are prepared, the selection of shield detection object is performed for each projected object i in order for i=1 to M, and the content of the shield detection object is concluded in sequence. Though the conventional method required the multiple variable equations to be solved for all the contents within the observation area, this invention allows the multiple variable equations to be solved only for the concluded contents of the shield detection object. Hence, the processing time can be shortened.
    • 本发明的一个目的是提供一种用于通过能够检测射线照射的内容的高分辨率的几何光学技术来预测无线电波传播特性的方法。 观察空间。 在给出光线和内容的情况下,建立由线或平面给出的投影物体,并且如果投影到投影物体上的内容的图像和投射到投影物体上的射线的图像不 相交,内容从屏蔽检测对象中排除。 准备多个投影对象i(i = 1〜M),为了i = 1〜M,对每个被投影物i进行屏蔽检测对象的选择,并且屏蔽检测对象的内容按顺序结束 。 虽然传统方法需要为观察区域内的所有内容求解多个可变方程,但是本发明允许仅针对屏蔽检测对象的结论内容来求解多个可变方程。 因此,可以缩短处理时间。
    • 115. 发明申请
    • Storage subsystem, storage system, and communication control method
    • 存储子系统,存储系统和通信控制方法
    • US20050120279A1
    • 2005-06-02
    • US10791452
    • 2004-03-01
    • Hiroshi FurukawaEtsutaro Akagawa
    • Hiroshi FurukawaEtsutaro Akagawa
    • G06F13/10G06F3/06H04L12/28H04L12/66H04L29/06G06F11/00
    • H04L63/0236H04L63/101
    • In a storage subsystem which is connected to an IP network, by excluding an improper packet, security is heightened, and a performance of communication to a logical unit of a storage subsystem is maintained and secured. In the storage subsystem according to one embodiment, a function which carries out filtering of a packet other than an iSCSI packet is provided. With respect to only the packet passed through the function, its accessibility to the logical unit is filtered. Also, traffic of all received packets, and traffic of each packet sorted out by the two filtering functions are measured, and a traffic log of a packet judged to be discarded by the above filtering is recorded. By using this information, controlling such as a cut-off process of improper communication, QoS securement for normal communication and so on, are carried out.
    • 在连接到IP网络的存储子系统中,通过排除不正确的分组,提高安全性,并且保持和保护与存储子系统的逻辑单元的通信性能。 在根据一个实施例的存储子系统中,提供对iSCSI分组以外的分组进行滤波的功能。 对于仅通过该功能的分组,其对逻辑单元的可访问性被过滤。 此外,测量所有接收到的分组的流量,以及由两个过滤功能分类的每个分组的流量,并且记录通过上述过滤被判断为丢弃的分组的业务日志。 通过使用该信息,进行诸如通信不正当的切断处理,正常通信的QoS保证等的控制。
    • 119. 发明授权
    • Base station transmission power control system mobile station and base station
    • 基站发射功率控制系统移动台和基站
    • US06539226B1
    • 2003-03-25
    • US09249704
    • 1999-02-12
    • Hiroshi FurukawaKojiro HamabeShousei Yoshida
    • Hiroshi FurukawaKojiro HamabeShousei Yoshida
    • H04Q720
    • H04W52/143H04W36/08H04W36/18H04W48/08H04W52/245H04W52/248H04W52/40H04W76/10
    • In soft hand over in a code division multi access mobile radio communication system, interference in a down link caused by transmission from a plurality of base stations for one mobile station, can be restricted. Control of transmission power is performed according to command from the mobile station only in the base station serving as a primary base station which has minimum propagation loss with the mobile station during soft hand over, and the base stations other than the primary base station perform transmission with restricting output. In comparison with the transmission power control performed by the conventional plural base station transmission, interference for the peripheral mobile station can be reduced to achieve higher down link capacity. Also, upon restricting transmission power of the base station other than the base stations having small propagation loss with the mobile station among base station group in soft hand over, by moderately attenuating the transmission power instead of restricting abruptly, degradation of the reception quality can be prevented when error is caused in selection of the base station.
    • 在码分多址移动无线电通信系统中的软切换中,可以限制由用于一个移动台的来自多个基站的传输引起的下行链路干扰。 根据来自移动台的命令,仅在作为主要基站的基站中进行发送功率的控制,该基站在软切换期间与移动台具有最小的传播损耗,除主基站之外的基站进行发送 限制输出。 与传统的多个基站传输执行的发送功率控制相比,可以减少外围移动台的干扰,以实现更高的下行链路容量。 此外,在软交换的基站组中,通过对移动站之外的基站具有小的传播损耗的基站进行限制,通过适度地衰减发送功率而不是突然地限制,接收质量的劣化可以是 防止在选择基站时发生错误。