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    • 2. 发明专利
    • Gateway device, node device, communication system, control method for operation period, and computer program
    • 网关设备,节点设备,通信系统,操作期控制方法和计算机程序
    • JP2013197893A
    • 2013-09-30
    • JP2012062854
    • 2012-03-19
    • Fujitsu Ltd富士通株式会社
    • OSADA NAMIIBUKI JUN
    • H04W72/04H04W84/22
    • H04W72/0446H04L45/48H04W28/0236H04W40/16H04W72/082H04W88/16
    • PROBLEM TO BE SOLVED: To reduce packet collision between nodes transmitting packets using the same time slot in a multi-hop network.SOLUTION: A gateway device 5 connected to a multi-hop network 2 having a tree structure comprises: a grouping unit 24 for grouping a node belonging to a partial tree whose root is a representative node 6 directly linked to the gateway device 5 into a node group 7, for each representative node 6; an interference group identification unit 27 for identifying a node group 7 in which the degree of interference of packet communication exceeds a threshold, as an interference group; and a slot allocation unit 31 which allocates any time slot in a plurality of time slots included in a packet transmission period to any interference group of a plurality of interference groups, and allocates another time slot in the plurality of time slots to another interference group of the plurality of interference groups.
    • 要解决的问题:减少在多跳网络中使用相同时隙发送分组的节点之间的分组冲突。解决方案:连接到具有树结构的多跳网络2的网关设备5包括:分组单元24,用于 对于每个代表性节点6,将属于与网关装置5直接链接的代表性节点6的部分树的节点分组为节点组7; 用于识别分组通信的干扰程度超过阈值的节点组7的干扰组识别单元27作为干扰组; 以及时隙分配单元31,其将分组发送周期中包括的多个时隙中的任何时隙分配给多个干扰组中的任何干扰组,并将多个时隙中的另一个时隙分配给另一干扰组 多个干扰组。
    • 3. 发明专利
    • Packet routing control method, packet routing control program, terminal device, and vpn server
    • 分组路由控制方法,分组路由控制程序,终端设备和VPN服务器
    • JP2009038566A
    • 2009-02-19
    • JP2007200733
    • 2007-08-01
    • Fujitsu Ltd富士通株式会社
    • OSADA NAMI
    • H04L12/46H04L12/70H04L12/749H04L12/803
    • H04L12/4641H04L29/12367H04L29/12433H04L61/2514H04L61/2539H04L63/0272H04W12/02
    • PROBLEM TO BE SOLVED: To achieve acceleration of packet transfer by attaining load distribution of packet transfer by means of a plurality of communication paths by virtually expanding the communication paths. SOLUTION: In a packet routing control method, a radio terminal MN1 creates and stores an address translation rule T1. When connecting a radio terminal MN3 to a file server 102, address translation is performed according to the created and stored address translation rule T1 and a decapsulated packet P3-1 is transferred to the radio terminal MN3, but a radio terminal MN2 is also notified about the address translation rule T1 stored in the radio terminal MN1. Thus, similarly to the radio terminal MN1, a destination address Dst is translated from a VPN address of the radio terminal MN1 to a local address of the radio terminal MN3 and a packet P3-2 is transferred from the radio terminal MN2 to the radio terminal MN3. Namely, since the translated address is the local address, the packet 3-2 is delivered to the radio terminal MN3. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过虚拟地扩展通信路径,通过多个通信路径获得分组传送的负载分布,来实现分组传送的加速。 解决方案:在分组路由控制方法中,无线终端MN1创建并存储地址转换规则T1。 当将无线电终端MN3连接到文件服务器102时,根据创建和存储的地址转换规则T1执行地址转换,并且将解封装的分组P3-1传送到无线电终端MN3,但是还向无线电终端MN2通知 存储在无线终端MN1中的地址转换规则T1。 因此,类似于无线终端MN1,将目的地地址Dst从无线终端MN1的VPN地址转换为无线终端MN3的本地地址,并且将分组P3-2从无线终端MN2传送到无线终端 MN3。 也就是说,由于转换的地址是本地地址,所以分组3-2被传送到无线终端MN3。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Wireless ad-hoc communication system
    • 无线AD-HOC通信系统
    • JP2010011345A
    • 2010-01-14
    • JP2008171134
    • 2008-06-30
    • Fujitsu Ltd富士通株式会社
    • OSADA NAMISASAKI KAZUO
    • H04W72/06H04W64/00H04W84/12H04W84/18
    • H04W84/12H04W16/06H04W72/02H04W84/18
    • PROBLEM TO BE SOLVED: To provide a suitable channel allocation technology of at least two wireless interfaces independent of routing by suppressing the quantity of radio channels to be used while utilizing a plurality of radio channels which are not interfered to each other.
      SOLUTION: A terminal, that performs wireless ad-hoc communication with another terminal via a first wireless interface dedicated to reception and a second wireless interface for both transmission and reception, includes: a means for defining a communication area to be divided into cells of first polygonal shapes and each of the cells to be divided into a plurality of sub-cells of second polygonal shapes different from the first polygonal shapes; a means for allocating, so as to prevent adjacent cells from belonging to a set of two identical wireless channels, a first wireless channel and a second wireless channel as the set of wireless channels to the cells; and a means for setting the first wireless channel and the second wireless channel so that the same transmission channel is set for sub-cells brought into contact between the adjacent cells while different transmission channels are set for adjacent sub-cells in the cell itself where the terminal itself is present.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:通过在利用彼此不干扰的多个无线电信道的同时抑制要使用的无线电信道的数量来提供独立于路由的至少两个无线接口的合适的信道分配技术。 解决方案:经由专用于接收的第一无线接口与另一终端进行无线自组织通信的终端和用于发送和接收的第二无线接口的终端包括:用于定义要分割成的通信区域的装置 第一多边形形状的单元和每个单元被分成与第一多边形不同的第二多边形的多个子单元; 用于分配的装置,以便防止相邻小区属于一组两个相同的无线信道,第一无线信道和第二无线信道作为到所述小区的无线信道的集合; 以及用于设置第一无线信道和第二无线信道的装置,以便为在相邻小区之间接触的子小区设置相同的传输信道,同时为小区本身中的相邻子小区设置不同的传输信道,其中, 终端本身存在。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Radio transmitting apparatus, radio receiving apparatus, mobile communication system and radio resource control method
    • 无线电发射装置,无线电接收装置,移动通信系统和无线电资源控制方法
    • JP2005117579A
    • 2005-04-28
    • JP2003352660
    • 2003-10-10
    • Fujitsu Ltd富士通株式会社
    • OSADA NAMI
    • H04J1/00H04B1/707H04J3/00H04J11/00H04J13/00H04W72/04H04W72/08H04W72/12H04Q7/36
    • PROBLEM TO BE SOLVED: To provide a radio resource control method with which limited radio resources are efficiently used in a mobile communication system, the radio resources are distributed in accordance with quality of service provided by a network, and furthermore, throughput in a radio link is improved. SOLUTION: A scheduler 1 provided in the radio transmitting apparatus for transmitting by radio a plurality of packet flows each having predetermined transmission capacitance comprises a resource division control section 4 for dividing a radio resource having elements of a three-dimensional space into a plurality of unit radio resources corresponding to bases of the three-dimensional space, and a resource assignment control section 5 for assigning, for each of the plurality of packet flows, radio resource regions weighted with a weight coefficient determined on the basis of a transmission status to each of the plurality of unit radio resources divided by the resource division control section 4. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供在移动通信系统中有效利用有限的无线电资源的无线电资源控制方法,根据网络提供的服务质量来分配无线电资源,此外, 无线电链路得到改进。 解决方案:设置在无线电发送装置中的调度器1,用于通过无线电发送具有预定的传输电容的多个分组流,包括资源分配控制部分4,用于将具有三维空间的元素的无线电资源划分为 对应于三维空间的基地的多个单位无线电资源以及资源分配控制部分5,用于为多个分组流中的每一个分配用基于传输状态确定的加权系数加权的无线资源区域 分配给由资源分配控制部分4划分的多个单位无线电资源中的每一个。(C)2005年,JPO&NCIPI
    • 7. 发明专利
    • Packet routing control method, packet routing control program, terminal device, and vpn server
    • 分组路由控制方法,分组路由控制程序,终端设备和VPN服务器
    • JP2009049648A
    • 2009-03-05
    • JP2007213028
    • 2007-08-17
    • Fujitsu Ltd富士通株式会社
    • OSADA NAMI
    • H04L12/46H04L12/66H04L12/70H04L12/803H04M3/00H04W8/26H04W28/08H04W40/34
    • H04L12/4641H04L29/12367H04L29/12405H04L45/00H04L61/2015H04L61/2514H04L61/2528H04W4/00H04W88/04
    • PROBLEM TO BE SOLVED: To accelerate packet transfer by achieving load distribution of the packet transfer by a plurality of communication routes by virtually expanding communication routes. SOLUTION: A VPN server 101 encapsulates a packet P2 when it receives the packet P2 and distributes packets P(2-1) and P(2-2) to radio terminals MN 1 and MN2. A radio terminal MN 1 decapsulates the packet P(2-1) when it receives the packet P(2-1), and transmits the packet P2-1 to a radio terminal MN3. Thus, the packet P2-1 is sent through a communication route being a file server 102 → the VPN server 101 → the radio terminal MN1 → the radio terminal MN3. The radio terminal MN2 decapsulates the packet P(2-2) when it receives the packet P(2-2), and transmits the packet P2-2 to the radio terminal MN3. Thus, the packet P2-2 is sent by a communication route being the file server 102 → the VPN server 101 → the radio terminal MN2 → the radio terminal MN3. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过虚拟扩展通信路由,通过多个通信路由实现分组传送的负载分布来加速分组传送。 解决方案:VPN服务器101在接收到分组P2时封装分组P2,并将分组P(2-1)和P(2-2)分配给无线终端MN 1和MN 2。 无线电终端MN 1在接收到分组P(2-1)时对分组P(2-1)进行解封装,并将分组P2-1发送给无线终端MN3。 因此,通过作为文件服务器102→VPN服务器101→无线终端MN1→无线终端MN3的通信路由发送分组P2-1。 无线电终端MN2在接收到分组P(2-2)时对分组P(2-2)进行解封装,并将分组P2-2发送给无线终端MN3。 因此,分组P2-2由文件服务器102→VPN服务器101→无线终端MN2→无线终端MN3的通信路由发送。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Remote control program, potable terminal device and gateway device
    • 远程控制程序,可插拔终端设备和网关设备
    • JP2008109454A
    • 2008-05-08
    • JP2006291216
    • 2006-10-26
    • Fujitsu Ltd富士通株式会社
    • FUKUDA SHIGENORIMORI TAKAOMITSUNOBE HIDEKIOSADA NAMI
    • H04M11/00G06F13/00G06F21/20H04L12/46H04L12/66
    • H04L63/0272H04L63/062H04L63/0807
    • PROBLEM TO BE SOLVED: To transfer data on a network, which are protected by a gateway device, to external devices by remote operation from the outside. SOLUTION: When an access ticket issuing request 6 is transmitted from a portable terminal device 1 to a gateway device 3, key information is produced in the gateway device 3. Then, an access ticket 7 including key information is transmitted from the gateway device 3 to the portable terminal device 1. The access ticket 7 acquired by the portable terminal device 1 is included in a data acquiring instruction 8 and passed to a data acquiring device 2. A data request 9 including the key information is transmitted to the gateway device 3 from the data acquiring device 2. If the key information added to the access ticket 7 is the same as the key information included in the data request 9, then the data request 9 is transferred to a data server device 4 by the gateway device 3. Then, data 4a are transferred from a data server device 4 to the data acquiring device 2. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过远程操作从外部将通过网关设备保护的网络上的数据传输到外部设备。 解决方案:当从便携式终端装置1向网关装置3发送访问券发行请求6时,在网关装置3中产生密钥信息。然后,从网关发送包含密钥信息的访问券7 设备3到便携式终端设备1.由便携式终端设备1获取的访问票据7被包括在数据获取指令8中,并被传递给数据获取设备2.包括密钥信息的数据请求9被发送到网关 设备3.如果添加到访问票据7的密钥信息与包括在数据请求9中的密钥信息相同,则数据请求9被网关设备传送到数据服务器设备4 然后,将数据4a从数据服务器装置4传送到数据获取装置2.版权所有:(C)2008,JPO&INPIT
    • 9. 发明专利
    • Program and method for controlling packet routing and computer system
    • 控制分组路由和计算机系统的程序和方法
    • JP2007306251A
    • 2007-11-22
    • JP2006131875
    • 2006-05-10
    • Fujitsu Ltd富士通株式会社
    • HARA MASAHIROOSADA NAMIFUJINO SHINJIMITSUNOBE HIDEKI
    • H04L12/66H04L12/70H04L12/701
    • H04W40/00H04L12/4633H04L12/4641
    • PROBLEM TO BE SOLVED: To provide a program for controlling a packet routing capable of ensuring a band width by making the ensuring of a security and the inhibition of an overhead for a packet header coexist in a radio LAN. SOLUTION: In the program for controlling the packet routing, a received packet from a file server 300 to another gate way 100 for an alliance A is transferred to another gate way 100, and a transmitted packet to the file server 300 is transferred to another gate way 100 different from the gate way 100 on the transmission side of the transmitted packet for the alliance A in the gate way 100. In the program, when the transmitted packet is received from another gate way 100 for the alliance A, the transmitted packet is transferred to a PPTP server 200 in the gate way 100. The received packet from the file server 300 to the gate way 100 for the alliance A is transferred to another gate way 100 different from the gate way 100 in the PPTP server 200. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于控制能够通过确保安全性并且抑制分组报头的开销在无线LAN中共存而能够确保带宽的分组路由的程序。 解决方案:在用于控制分组路由的程序中,将来自文件服务器300的接收到的数据包传送到另一个门控方式100,并传送到文件服务器300的分组 到与门方式100中的联盟A的发送分组的发送侧上的门方式100不同的另一个门方式100.在程序中,当从联盟A的另一个门方式100接收到发送的分组时, 传输的分组以门方式100传送到PPTP服务器200.从联合A的文件服务器300到门路100的接收到的分组被传送到与PPTP服务器200中的门路100不同的另一门控方式100 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Server system and user terminal, and service provision method using server system and user terminal
    • 服务器系统和用户终端以及使用服务器系统和用户终端的服务提供方法
    • JP2006024168A
    • 2006-01-26
    • JP2004228739
    • 2004-07-06
    • Fujitsu Ltd富士通株式会社
    • OSADA NAMIMORI SHINICHIROONO KEITAROHIROKAWA YUKIO
    • G06F17/30G06Q50/00G06Q50/10G06Q50/26
    • G06F17/3087G06F17/30041G06F17/30241
    • PROBLEM TO BE SOLVED: To provide a service provision system by which various kinds of service information can be always provided, service information usable in a wide area is acquired, efficient use of hardware is made possible, and further, access is restricted in an information distribution system. SOLUTION: A server system comprises a first data base 15 which holds a plurality of pieces of balloon data in which a plurality of pieces of three-dimensional actual space area information are associated with identifiers for identifying each piece of three-dimensional space area information, a second data base 9 which holds a service execution file in which a plurality of pieces of three-dimensional space area information associated with respective identifiers are correlated with pieces of service information in respective three-dimensional space areas, an extraction part 40 which extracts a service execution file corresponding to the three-dimensional space area including the identifier in the service execution file on the basis of positional information of a user terminal 11 and the identifier, and a service execution processing part 8 which performs execution processing of service corresponding to the service information held in the extracted service execution file. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种能够总是提供各种服务信息的服务提供系统,获取可在广域中使用的服务信息,使硬件的有效使用成为可能,并且进一步限制访问 在信息分发系统中。 解决方案:服务器系统包括第一数据库15,其保存多个气球数据段,其中多个三维实际空间区域信息与用于识别每一个三维空间的标识符相关联 区域信息,第二数据库9,其保存与各个标识符相关联的多条三维空间区域信息与各个三维空间区域中的服务信息相关联的服务执行文件;提取部分40 其基于用户终端11的位置信息和标识符,提取与包括服务执行文件中的标识符的三维空间区域相对应的服务执行文件,以及执行服务执行处理的服务执行处理部8 对应于所提取的服务执行文件中保存的服务信息。 版权所有(C)2006,JPO&NCIPI