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    • 33. 发明授权
    • Base station, video distribution system, and distribution control method
    • 基站,视频分配系统和配电控制方式
    • US07840179B2
    • 2010-11-23
    • US11764458
    • 2007-06-18
    • Shin-ichi IsobeMasami Yabusaki
    • Shin-ichi IsobeMasami Yabusaki
    • H04H40/00
    • H04N7/17318H04N21/26216H04N21/41407H04N21/6338H04N21/64746H04W48/08H04W88/08
    • There are a step in which, when the video data distribution request is received from the mobile station, the base station determines whether the requested video data can be distributed or not, on the basis of the wireless transmission capacity required for distributing the requested video data and the wireless transmission capacity that is available at that point of time, a step in which the base station notifies the mobile station of a result of possibility determination about distribution, a step in which, when it is determined that distribution cannot be performed, the base station sends an inquiry about a base station capable of performing distribution, to the transmitted-data capacity management device, a step in which the transmitted-data capacity management device selects base stations capable of performing the distribution, on the basis of the wireless transmission capacity required for distributing the video data and the wireless transmission capacity being used for distribution performed by a plurality of base stations, and replies with the selected base stations, and a step in which the base station notifies the mobile station of the base stations capable of performing the distribution.
    • 存在如下步骤:当从移动站接收到视频数据分发请求时,基站根据分配请求的视频数据所需的无线传输容量来确定所请求的视频数据是否可以被分发 以及在该时间点可用的无线传输容量,基站向移动台通知关于分发的可能性判定结果的步骤,其中,当确定不能执行分发时, 基站向发送数据容量管理装置发送关于能够进行分配的基站的询问,发送数据容量管理装置基于无线发送选择能够进行分发的基站的步骤 分配视频数据所需的容量和用于分发的无线传输容量 由多个基站执行,并且与所选择的基站进行回复,以及基站向移动台通知能够执行分配的基站的步骤。
    • 35. 发明申请
    • CONTROL DEVICE, HANDOVER CONTROL METHOD AND MOBILE COMMUNICATION SYSTEM
    • 控制装置,切换控制方法和移动通信系统
    • US20080051089A1
    • 2008-02-28
    • US11858677
    • 2007-09-20
    • Toshihiro SUZUKIHiroshi KawakamiAkihito OkuraMasami Yabusaki
    • Toshihiro SUZUKIHiroshi KawakamiAkihito OkuraMasami Yabusaki
    • H04Q7/20
    • H04W36/24H04L47/10H04W36/32H04W84/005
    • An object of the present invention is to avoid packet loss and implement a seamless handover by minimizing the handover latency when a handover is implemented by a multihomed moving network (MN) or a mobile host (MH). The present invention is a mobile communication system that is constituted comprising an MN, a plurality of AI each constituting an interface for the connection to a core network at the MN, and a control device (MMF), wherein the MMF dynamically changes the AI adopted as the connection interface when a predetermined condition is satisfied on the basis of the connection status to the core network at each AI or the prediction information for a subsequent handover. In so doing, the control device continues the transmission and receipt of data with respect to an appropriate AI capable of maintaining a predetermined communication quality, and maintains the connection to the core network of another AI while causing this AI to enter a closed state in which the transmission and receipt of data is disabled.
    • 本发明的目的是为了避免分组丢失,并且通过在多宿主移动网络(MN)或移动主机(MH))实现切换时最小化切换等待时间来实现无缝切换。 本发明是一种移动通信系统,其包括MN,多个AI,每个AI构成用于连接到MN处的核心网络的接口和控制设备(MMF),其中MMF动态地改变所采用的AI 作为连接接口,当根据在每个AI处的核心网络的连接状态或者随后的切换的预测信息来满足预定条件时。 在这样做时,控制装置继续相对于能够保持预定通信质量的适当AI的数据的发送和接收,并且保持与另一AI的核心网络的连接,同时使该AI进入关闭状态,其中 数据的传输和接收被禁用。
    • 40. 发明授权
    • Handover control method and handover path determination for use in communication system
    • 切换控制方法和切换路径确定用于通信系统
    • US06970707B2
    • 2005-11-29
    • US10103711
    • 2002-03-25
    • Ken IgarashiMasami YabusakiYasuhisa Hayashi
    • Ken IgarashiMasami YabusakiYasuhisa Hayashi
    • H04L12/28H04W36/22H04W36/32H04Q7/20
    • H04W36/22H04W36/32
    • The handover control method for use in a mobile communication system changes a handover method according to an overlapping zone residence time of a mobile station by ranking three handover methods for the mobile station including a gateway handover method, a base station controller path extension handover method, and a radio link path extension handover method in association with how long the overlapping zone residence time of the mobile station is, and by selecting one handover method that corresponds to the overlapping zone residence time of the mobile station. When either the gateway handover method or the base station controller path extension handover method is selected for use, the handover method selects a handover path of which load on the system is minimum among the handover paths that can be employed by the selected handover method.
    • 在移动通信系统中使用的切换控制方法通过对包括网关切换方法,基站控制器路径扩展切换方法等的移动台的三种切换方法,根据移动台的重叠区域停留时间来改变切换方法, 以及与移动台的重叠区域停留时间多长时间的无线链路路径扩展切换方法,并且通过选择与移动台的重叠区域停留时间对应的一种切换方法。 当选择了网关切换方法或基站控制器路由扩展切换方法时,切换方法选择可以通过所选择的切换方法采用的切换路径中系统负载最小的切换路径。