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    • 1. 发明专利
    • Communication relay apparatus, communication relay method and communication relay program
    • 通信继电器,通信继电器和通信继电器程序
    • JP2010114876A
    • 2010-05-20
    • JP2009141107
    • 2009-06-12
    • Fujitsu Ltd富士通株式会社
    • YAMATSU KATSUHIKOIYASAKA KOJUSUMI KAZUAKIMIYAHARA CHIGUSANISHI HIDETAKANAMIKINO HIDETAKA
    • H04L29/14
    • PROBLEM TO BE SOLVED: To provide a communication relay apparatus which ensures its stable operational status by having a function to effectively pre-detect an abnormal state in signal processing due to failure. SOLUTION: The communication relay apparatus includes: a normality checking operation means 1 for periodically performing a normality checking operation for failure diagnosis based on channel control information 1a that controls the data communication channel of a signal control device 100; a channel history holding means 2 that detects channel use count, channel use time, normality checking operation count, and data transmitting/receiving count concerning the use of the data communication channel for a certain period of time, and holds them in the channel control information 1a; a checking count holding means 3 that counts the total number of normality checking operations from an initial value to an upper-limit count, and if it exceeds the upper-limit count, counts it again from the initial value and holds it in the check count information 3a; and an upper-limit count determination means 4 that determines whether or not the total operation count corresponds to the upper-limit count based on the check count information 3a. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种通过具有在故障引起的信号处理中有效预检测异常状态的功能来确保其稳定运行状态的通信中继装置。 解决方案:通信中继装置包括:正常检查操作装置1,用于基于控制信号控制装置100的数据通信信道的信道控制信息1a周期性地进行故障诊断的正常检查操作; 频道历史保持装置2,用于检测频道使用次数,频道使用时间,正常检查操作次数以及数据通信频道在一定时间段内的使用数据发送/接收计数,并将其保存在频道控制信息中 1A; 检查计数保持装置3,其从初始值到上限计数对正常检查操作的总数进行计数,如果超过上限计数,则从初始值再次对其进行计数,并将其保存在检查计数中 信息3a; 以及上限计数确定装置4,其基于检查计数信息3a确定总操作数是否对应于上限计数。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Resource control apparatus, and radio network controller using apparatus
    • 资源控制装置和无线电网络控制器使用设备
    • JP2008148278A
    • 2008-06-26
    • JP2007209832
    • 2007-08-10
    • Fujitsu Ltd富士通株式会社
    • YAMATSU KATSUHIKOTANAKA HIDETADASUMI KAZUAKISHIMA NORIYUKI
    • H04L12/775H04L12/801H04L12/803H04L12/911H04W16/08H04W88/12
    • PROBLEM TO BE SOLVED: To provide a resource control apparatus and a radio network controller using the apparatus which can prevent convergence of processing of a specific processor even when only an amount of resources used by the specific processor is decreased. SOLUTION: The invention includes: a resource control means for managing an amount of resources used and an amount of virtual resources of each of plural processors; a selection control means for selecting a processor having a smallest sum of the amount of resources used and the amount of virtual resources in the resource control means in response to an external process request, increasing the amount of resources used by the selected processor in the resource control means and decreasing the amount of resources used by the processor corresponding to an external process release request in the resource control means, in response to the process release request; and a virtual resource control means for increasing the amount of virtual resources of the processor corresponding to the process release request in the resource control means, in response to the process release request to one of the processors. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:即使当只有特定处理器使用的资源量减少时,使用该装置来提供能够防止特定处理器的处理收敛的资源控制装置和无线网络控制器。 解决方案:本发明包括:用于管理所使用的资源量和多个处理器中的每一个的虚拟资源量的资源控制装置; 选择控制装置,用于响应于外部处理请求,选择所使用的资源量和资源控制装置中的虚拟资源量的最小和的处理器,增加所选择的处理器在资源中使用的资源量 响应于所述过程释放请求,控制装置并且减少所述处理器对应于所述资源控制装置中的外部处理释放请求所使用的资源量; 以及虚拟资源控制装置,用于响应于向一个处理器的处理释放请求,增加与资源控制装置中的处理释放请求相对应的处理器的虚拟资源量。 版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Media access control device for wireless lan
    • 媒体无线局域网接入控制装置
    • JP2005065226A
    • 2005-03-10
    • JP2004141762
    • 2004-05-12
    • Fujitsu Ltd富士通株式会社
    • ISHIBASHI TAKESHIYAMATSU KATSUHIKOEGUCHI NOBUHIKOHARAGUCHI SHUICHI
    • H04L12/28H04W28/02H04W28/14H04W28/18H04W72/10H04W74/02H04W74/04H04W80/02H04W84/12
    • H04L12/56
    • PROBLEM TO BE SOLVED: To provide a media access control device capable of sending frames corresponding to a plurality of transmission policies. SOLUTION: The media access control device for controlling an acquisition of a transmission opportunity in a wireless LAN includes: a plurality of transmission queues (23) for respectively storing transmission target frames according to a transmission policy which has transmission priority of the frame; a transmission controller (34) for controlling the acquisition of the transmission opportunity based on a status of a medium, and sending a frame having the transmission policy corresponding to the acquired transmission opportunity from the transmission queue; and transmission frame transfer units (10, 15, 18) for transferring a frame supplied from a higher layer to the transmission queue based on the transmission policy of the supplied frame and based on an empty status of the transmission queue corresponding to the transmission policy. A plurality of transmission queues are disposed according to a plurality of transmission policies, and the transmission target frame is transferred to the transmission queue in advance, so when the transmission opportunity corresponding to any one of the plurality of transmission policies is acquired, the corresponding frame can be sent without losing time. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供能够发送对应于多个传输策略的帧的媒体接入控制设备。 解决方案:用于控制无线LAN中的发送机会的获取的媒体接入控制装置包括:多个传输队列(23),用于分别根据具有帧的传输优先级的传输策略来存储传输目标帧 ; 发送控制器(34),用于基于媒体的状态控制所述发送机会的获取,并且从所述发送队列发送具有与所获取的发送机会相对应的发送策略的帧; 以及用于基于所提供的帧的传输策略并且基于与传输策略相对应的传输队列的空状态将从较高层提供的帧传送到传输队列的传输帧传送单元(10,15,18)。 根据多个传输策略设置多个传输队列,并且传输目标帧被预先传送到传输队列,因此当获取与多个传输策略中的任何一个对应的传输机会时,相应的帧 可以发送而不会失去时间。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Node device, communication method, communication program and network system
    • 节点设备,通信方法,通信程序和网络系统
    • JP2014183348A
    • 2014-09-29
    • JP2013054875
    • 2013-03-18
    • Fujitsu Ltd富士通株式会社
    • IYASAKA KOJUYAMATSU KATSUHIKOHIGASHIHARA YUJIHAYASHI MASAHIROINAO YUICHI
    • H04W40/34H04L12/70H04W24/08H04W84/18
    • H04L43/0847H04L43/0811H04L43/0817
    • PROBLEM TO BE SOLVED: To enable accurate monitoring of a communication path state in a network.SOLUTION: A node device includes a selector unit, a transmitter unit, a decision unit and a generator unit. The selector unit selects a transmission destination of a survey frame for use for the survey of a route state from a data transmission source node device to a data transmission destination node device, from frame transfer destination node devices destined to the destination node device. The transmitter unit transmits a first survey frame to a first node device selected to be the transmission destination of the first survey frame. The decision unit decides whether the transmission of the first survey frame is successful. If the transmission of the first survey frame fails, the generator unit generates a second survey frame in which a communication failure with the first node device is recorded. The transmitter unit transmits the second survey frame to a second node device selected to be the transmission destination of the second survey frame.
    • 要解决的问题:为了能够准确地监视网络中的通信路径状态。解决方案:节点设备包括选择器单元,发送器单元,判定单元和发电机单元。 选择器单元从目的地到目的地节点设备的帧传送目的地节点设备中选择用于从数据发送源节点设备到数据发送目的地节点设备的路由状态的调查使用的调查帧的发送目的地。 发射机单元将第一测量帧发送到被选择为第一测量帧的发送目的地的第一节点设备。 决定单元决定第一测量帧的发送是否成功。 如果第一测量帧的传输失败,则发生器单元生成第二测量帧,其中记录与第一节点设备的通信故障。 发射机单元将第二测量帧发送到被选择为第二测量帧的发送目的地的第二节点设备。
    • 6. 发明专利
    • Communication method and communication apparatus
    • 通信方法和通信设备
    • JP2012209741A
    • 2012-10-25
    • JP2011073471
    • 2011-03-29
    • Fujitsu Ltd富士通株式会社
    • NOMURA YAYOIYAMATSU KATSUHIKOYAMADA KENJIINAO YUICHIKOGA SHUNSUKE
    • H04L12/56H04W40/26H04W84/18
    • H04L45/745H04L45/02H04W40/246H04W84/18
    • PROBLEM TO BE SOLVED: To reduce possibility of failure in transmitting a frame.SOLUTION: A communication apparatus comprises a reception part, a route information table, a registration part, an acquisition part, and a transmission part. The reception part receives a route information frame which notifies route information of a network, and a first frame which is not the route information frame. The route information table records the route information included in the route information frame. The registration part associates a transmission source address with an address of a transfer source apparatus which transfers the first frame to the reception part to register them in a registration table, when the transmission source address of the first frame is not included in the route information table. The acquisition part acquires the address of a transfer source apparatus which is registered in association with an address of a destination device from the registration table when transmitting a second frame where a destination device which is not registered in the route information table is determined as a destination. The transmission part transmits the second frame to the address acquired by the acquisition part.
    • 要解决的问题:减少发送帧失败的可能性。 解决方案:通信设备包括接收部分,路由信息表,注册部分,获取部分和传输部分。 接收部分接收通知网络的路由信息​​的路由信息​​帧和不是路由信息帧的第一帧。 路由信息表记录路径信息帧中包含的路由信息​​。 当第一帧的发送源地址不包括在路由信息表中时,注册部分将发送源地址与传送第一帧的接收部分的地址相关联以将它们登记在登记表中 。 当发送没有登记在路径信息表中的目的地设备被确定为目的地的第二帧时,获取部分从登记表中获取与目的地设备的地址相关联地登记的传送源设备的地址 。 发送部将第二帧发送到由获取部获取的地址。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Communication method, communication program, and node device
    • 通信方法,通信程序和节点设备
    • JP2014099771A
    • 2014-05-29
    • JP2012250674
    • 2012-11-14
    • Fujitsu Ltd富士通株式会社
    • YAMATSU KATSUHIKOIYASAKA KOJUHIGASHIHARA YUJISONEDA TATSUYA
    • H04L12/701
    • H04L45/18H04L45/02
    • PROBLEM TO BE SOLVED: To suppress the use of a route including a loop.SOLUTION: A first node device in a network including a plurality of node devices transmits a route information frame. The route information frame includes route information in which a destination node device to which a frame can be transmitted from the first node device is associated with a transmission destination to which the first node device transmits the frame destined to the destination node device. A second node device adjacent to the first node device receives the route information frame. The second node device decides whether a loop is included in a route from the second node device to the destination node device through the first node device and the transmission destination. The second node device stores the route information used to generate the route decided not to include a loop, to perform transmission processing using the stored route.
    • 要解决的问题:抑制包括循环的路由的使用。解决方案:包括多个节点设备的网络中的第一节点设备发送路由信息帧。 路线信息帧包括其中可以从第一节点设备发送帧的目的地节点设备与第一节点设备发送去往目的地节点设备的帧的传输目的地相关联的路由信息​​。 与第一节点设备相邻的第二节点设备接收路由信息帧。 第二节点设备通过第一节点设备和发送目的地决定在从第二节点设备到目的地节点设备的路由中是否包括循环。 第二节点设备存储用于生成决定为不包括循环的路由的路由信息​​,以使用存储的路由进行传输处理。
    • 9. 发明专利
    • SOCKET FOR AN ADDITIONAL CIRCUIT PART
    • JPH07161423A
    • 1995-06-23
    • JP30775793
    • 1993-12-08
    • FUJITSU LTDFUJITSU KYUSHU TSUSHIN SYST KK
    • YAMATSU KATSUHIKONAKAHARA YOICHI
    • H01R33/76H01R33/90
    • PURPOSE:To insert and attach a socket main unit to an already mounted circuit part and connect an additional circuit part to the socket main unit by providing a mounting leg for engaging and attaching the external configuration of the already provided circuit part to the socket main unit made of an insulation resin and the connection part for connecting the additional circuit part. CONSTITUTION:A socket for an additional circuit part 1 is composed of a socket main unit 1a which is an insulation resin mold, plural mounting legs 1b integrally provided in protrusion to be mounted on an already provided circuit part 4 on both sides of the lower surface of the main unit 1a, and a connection part 1c for connecting an additional circuit part to the upper surface of the main unit 1a. An engaging locking section 1b-1 extending to the extent that the leg 1b is engaging attached by being pushed in a space between the reeds of the part 4 is provided on the tip of the legs 1b. Intervals between the legs 1b are matched to a reed pitch and a low space. The connection part 1c is fittingly provided with an elastic contact piece 1c-1 bent to ensure spring pressurized contact by sandwiching a reed of the additional circuit part inserted into plural insertion holes 1a-1 provided on the upper surface of the main unit 1a. And the connection part 1c is molded by an electrode pad 1c-2 which leads each contact piece 1c-1 to the upper surface and permits soldering.