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    • 12. 发明授权
    • Path control device, path control method, and path control program
    • 路径控制装置,路径控制方法和路径控制程序
    • US08102761B2
    • 2012-01-24
    • US12920168
    • 2009-11-24
    • Takao YamaguchiAtsushi YoshidaTomoki Ishii
    • Takao YamaguchiAtsushi YoshidaTomoki Ishii
    • G06F11/00
    • H04L45/22H04L41/147H04L45/02H04L45/28H04W24/04
    • A path control device included in a terminal device (300), which includes a path information generating unit (302) which generates path information indicating paths from a terminal (300) to a terminal (400), a path malfunction predicting unit (303) which predicts a malfunction on each of the relays, using the number of flows as a malfunction occurrence likelihood value, at least one of the relays that is a candidate for monitoring is determined for each path, and a bypass path selecting unit (304) which selects, when the malfunction is predicted on the at least one relay, a path that should be used for transmitting the data from the terminal (300) to the terminal (400), from the paths except the path including the relay on which the malfunction is predicted.
    • 包括在终端装置(300)中的路径控制装置,其包括生成表示从终端(300)到终端(400)的路径的路径信息的路径信息生成部(302),路径故障预测部(303) 其中,使用所述多个流作为故障发生似然值来预测每个所述继电器的故障,为每个路径确定作为用于监视的候选的所述继电器中的至少一个;以及旁路路径选择单元, 当在所述至少一个继电器上预测到故障时,选择应当用于从所述终端(300)向所述终端(400)发送所述数据的路径,所述路径除了包括所述故障的所述继电器的路径 被预测。
    • 13. 发明申请
    • PATH CONTROL DEVICE, PATH CONTROL METHOD, AND PATH CONTROL PROGRAM
    • 路径控制装置,路径控制方法和路径控制程序
    • US20110032818A1
    • 2011-02-10
    • US12920168
    • 2009-11-24
    • Takao YamaguchiAtsushi YoshidaTomoki Ishii
    • Takao YamaguchiAtsushi YoshidaTomoki Ishii
    • G06F11/00
    • H04L45/22H04L41/147H04L45/02H04L45/28H04W24/04
    • A path control device included in a terminal device (300), which includes a path information generating unit (302) which generates path information indicating paths from a terminal (300) to a terminal (400), a path malfunction predicting unit (303) which predicts a malfunction on each of the relays, using the number of flows as a malfunction occurrence likelihood value, at least one of the relays that is a candidate for monitoring is determined for each path, and a bypass path selecting unit (304) which selects, when the malfunction is predicted on the at least one relay, a path that should be used for transmitting the data from the terminal (300) to the terminal (400), from the paths except the path including the relay on which the malfunction is predicted.
    • 包括在终端装置(300)中的路径控制装置,其包括生成表示从终端(300)到终端(400)的路径的路径信息的路径信息生成部(302),路径故障预测部(303) 其中,使用所述多个流作为故障发生似然值来预测每个所述继电器的故障,为每个路径确定作为用于监视的候选的所述继电器中的至少一个;以及旁路路径选择单元, 当在所述至少一个继电器上预测到故障时,选择应当用于从所述终端(300)向所述终端(400)发送所述数据的路径,所述路径除了包括所述故障的所述继电器的路径 被预测。
    • 14. 发明授权
    • Communication device, communication method, and program for determining a transmission rate
    • 通信设备,通信方法和用于确定传输速率的程序
    • US07836200B2
    • 2010-11-16
    • US12598260
    • 2008-12-24
    • Tomoki IshiiTakao YamaguchiAtsushi Yoshida
    • Tomoki IshiiTakao YamaguchiAtsushi Yoshida
    • G06F15/173G06F15/16
    • H04W88/04H04L47/10H04L47/25H04L47/283H04N7/18H04W8/005H04W28/22H04W36/00H04W48/16
    • A transmission device includes: a relay device information obtaining unit (101) which obtains self-device transmission status information that is information indicating a transmission status of a communication device; a neighboring communication device determining unit (102) which determines, from other communication devices connected to the network, neighboring communication devices; a neighboring communication device information obtaining unit (103) which obtains another-device transmission status information from each of the neighboring communication devices; a transmission rate control information correcting unit (104) which generates corrected transmission status information based on an amount of statistics calculated from the self-device transmission status information and the another-device transmission status information; a transmission rate determining unit (105) which determines a transmission rate of data, based on the corrected transmission status information; and a data transmission unit (106) which transmits the data according to the determined transmission rate.
    • 发送装置包括:中继装置信息取得部,其取得表示通信装置的发送状态的信息的自身发送状态信息; 相邻通信设备确定单元(102),其从连接到所述网络的其他通信设备确定相邻通信设备; 相邻通信设备信息获取单元,其从每个相邻通信设备获得另一设备传输状态信息; 传输速率控制信息校正单元,其根据从所述自身设备传输状态信息和所述另一设备传输状态信息计算出的统计量生成校正的传输状态信息; 传输速率确定单元,其基于所述校正的传输状态信息来确定数据的传输速率; 以及根据确定的传输速率发送数据的数据传输单元(106)。
    • 16. 发明申请
    • REPLAY TRANSMISSION DEVICE AND REPLAY TRANSMISSION METHOD
    • REPLAY传输设备和REPLAY传输方法
    • US20100165846A1
    • 2010-07-01
    • US12095577
    • 2007-09-12
    • Takao YamaguchiKatsuji AokiAtsushi Yoshida
    • Takao YamaguchiKatsuji AokiAtsushi Yoshida
    • H04L12/56
    • H04L1/0001H04B7/15592H04L47/10H04L47/11H04L47/12H04L47/14H04L2001/0097H04W28/10
    • A relay transmission device can achieve high-quality transmission by suppressing congestion in an ad hoc network, even when a network environment changes or performance of a relay device to be communicated with changes. The relay transmission device includes: an optimization coefficient storage unit (1608) that stores, for each cooperative relay device, a self-optimization coefficient for weighting an amount of data determined by a self-optimization flow control unit (1603) and a total optimization coefficient for weighting an amount of data determined by a total optimization flow control unit (1604); and a balance adjustment unit (1605) that compares, for each cooperative relay device, an influence of congestion caused by transmission bandwidth allocation contention on the relay transmission device and an influence of congestion caused by transmission bandwidth allocation contention on the cooperative relay device, and adjusts the self-optimization coefficient and the total optimization coefficient based on a result of the comparison.
    • 中继传输设备即使在网络环境改变或者继续传送设备的性能改变时,也可以通过抑制自组织网络中的拥塞来实现高质量的传输。 中继传输装置包括:优化系数存储单元,其针对每个协作中继设备存储用于对由自优化流控制单元确定的数据量进行加权的自优化系数(1603)和总优化 用于对由总优化流控制单元(1604)确定的数据量进行加权的系数; 以及平衡调整单元(1605),对于每个协作中继装置,对由所述中继发送装置发送带宽分配争用引起的拥塞的影响以及由所述协作中继装置发送的带宽分配争用引起的拥塞的影响进行比较,以及 根据比较结果调整自优化系数和总优化系数。
    • 17. 发明申请
    • COMMUNICATION DEVICE, COMMUNICATION METHOD, AND PROGRAM
    • 通信设备,通信方法和程序
    • US20100131670A1
    • 2010-05-27
    • US12598260
    • 2008-12-24
    • Tomoki IshiiTakao YamaguchiAtsushi Yoshida
    • Tomoki IshiiTakao YamaguchiAtsushi Yoshida
    • G06F15/16
    • H04W88/04H04L47/10H04L47/25H04L47/283H04N7/18H04W8/005H04W28/22H04W36/00H04W48/16
    • A transmission device includes: a relay device information obtaining unit (101) which obtains self-device transmission status information that is information indicating a transmission status of a communication device; a neighboring communication device determining unit (102) which determines, from other communication devices connected to the network, neighboring communication devices; a neighboring communication device information obtaining unit (103) which obtains another-device transmission status information from each of the neighboring communication devices; a transmission rate control information correcting unit (104) which generates corrected transmission status information based on an amount of statistics calculated from the self-device transmission status information and the another-device transmission status information; a transmission rate determining unit (105) which determines a transmission rate of data, based on the corrected transmission status information; and a data transmission unit (106) which transmits the data according to the determined transmission rate.
    • 发送装置包括:中继装置信息取得部,其取得表示通信装置的发送状态的信息的自身发送状态信息; 相邻通信设备确定单元(102),其从连接到所述网络的其他通信设备确定相邻通信设备; 相邻通信设备信息获取单元,其从每个相邻通信设备获得另一设备传输状态信息; 传输速率控制信息校正单元,其根据从所述自身设备传输状态信息和所述另一设备传输状态信息计算的统计量生成校正的传输状态信息; 传输速率确定单元,其基于所述校正的传输状态信息来确定数据的传输速率; 以及根据确定的传输速率发送数据的数据传输单元(106)。
    • 18. 发明申请
    • NETWORK CONTROL APPARATUS, METHOD, AND PROGRAM
    • 网络控制装置,方法和程序
    • US20100067533A1
    • 2010-03-18
    • US12375872
    • 2008-08-28
    • Atsushi YoshidaTakao YamaguchiKatsuji Aoki
    • Atsushi YoshidaTakao YamaguchiKatsuji Aoki
    • H04L12/56
    • H04L43/0847H04L43/0882H04L45/125H04L45/70H04L2012/40273H04W40/12H04W40/14H04W40/22
    • To enable network control (particularly, transmission band allocation) that excels in follow-up ability to follow changes in a network, locality, and responsiveness. A network control apparatus controls a wireless ad-hoc network and includes: a routing processing unit (402) which establishes routing within a wireless ad-hoc network using routing information including information regarding a local transmission quality within the wireless ad-hoc network; a routing processing unit (406) which obtains the information regarding the transmission quality from the routing information used for establishing the routing; and a bottleneck estimating unit (411) which estimates a relay apparatus as a bottleneck candidate, based on a distribution of plural transmission qualities within the wireless ad-hoc network, which are indicated by the obtained information.
    • 实现网络控制(特别是传输频带分配),其具有跟随网络变化的跟踪能力,局部性和响应能力。 网络控制装置控制无线自组织网络,并且包括:路由处理单元,其使用包括关于无线自组织网络内的本地传输质量的信息的路由信息​​来建立无线自组织网络内的路由; 从用于建立路由的路由信息​​获取关于传输质量的信息的路由处理单元(406); 以及基于由所获得的信息指示的无线自组织网络内的多个传输质量的分布,估计作为瓶颈候选的中继装置的瓶颈估计单元(411)。