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    • 51. 发明申请
    • Communication handover method, communication handover program, and communication system
    • 通信切换方法,通信切换程序和通信系统
    • US20070133463A1
    • 2007-06-14
    • US10577264
    • 2004-10-29
    • Takako HoriKeigo Asou
    • Takako HoriKeigo Asou
    • H04Q7/00
    • H04W8/085H04W8/26H04W36/0011H04W36/0016H04W80/00H04W80/04
    • A technique which realizes an efficient handover by reducing loads on a mobile node and an access router and communication traffics thereof while keeping a packet loss rate in a fast handover technology is disclosed, and according to that technique, a mobile node (MN 10) has a correspondence relationship between information (link layer address of an AP) on an access point (AP 22, 23, 32, 33) and information (link layer address of an AR, and a network prefix and a prefix length of a subnet 20, 30 to which the AR belongs) on an access router (AR 21, 31) having control over the AP, and, by referring to the correspondence relationship, generates an NCoA of a subnet which is the destination of movement in L2 handover between different subnets, does not change an NCoA and executes only the L2 handover in the L2 handover in the same subnet, and performs a conventional fast handover when there is no correspondence relationship relating to an AP at the destination of the L2 handover.
    • 公开了一种通过减少移动节点和接入路由器上的负载来实现有效切换的技术,并且在保持快速切换技术中的分组丢失率的同时进行其通信业务,并且根据该技术,移动节点(MN 10)具有 接入点(AP 22,23,32,33)的信息(AP 22的链路层地址)与信息(AR的链路层地址,网络前缀和子网20的前缀长度)之间的对应关系, 30),具有对AP的控制的接入路由器(AR 21,31),并且通过参考对应关系生成作为不同子网之间的L2切换中的移动目的地的子网的NCoA 不改变NCoA并且仅在相同子网中的L2切换中仅执行L2切换,并且当在L2切换的目的地处没有与AP相关的对应关系时,执行传统的快速切换。
    • 52. 发明申请
    • Communication handover method, communication message processing method, program for executing these methods by use of computer, and communication system
    • 通信切换方法,通信消息处理方法,使用计算机执行这些方法的程序和通信系统
    • US20070104143A1
    • 2007-05-10
    • US10579973
    • 2004-11-26
    • Takako Hori
    • Takako Hori
    • H04Q7/00H04L12/56
    • H04W36/0011H04W36/08H04W40/02H04W80/04H04W92/02
    • Disclosed is a technique which enables a mobile node to promptly and continuously get an additional service (e.g., QoS guarantee) gotten before handover after the handover. According to the technique, a mobile node (MN 10) has a correspondence relationship between information (link layer address of an AP) on an access point (APs 22, 23, 32 and 33) and information (link layer address of an AR, an IP address of the AR, a network prefix and a prefix length of a subnet 20 and 30 to which the AR belongs, and presence or absence of implementation a mobility supported additional service realization function) on an access router (ARs 21 and 31) having control over the AP, and, by referring to the correspondence relationship, configures an NCoA of a destination subnet. An NCoA is transmitted to the IP address of a handover target AR, and the AR which has received the message checks the NCoA, and starts an establishment process of an additional service relating to the mobile node.
    • 公开了一种能够使移动节点在切换之后切换之前获得的附加服务(例如,QoS保证)的移动节点的技术。 根据该技术,移动节点(MN 10)具有接入点(AP 22,23,32,33)的信息(AP的链路层地址)与信息(AR的链路层地址)之间的对应关系, 接入路由器(AR 21和31)上的AR的IP地址,AR所属的子网20和30的网络前缀和前缀长度以及实现的移动性支持的附加服务实现功能的存在或不存在) 具有对AP的控制,并且通过参考对应关系来配置目的地子网的NCoA。 将NCoA发送到切换目标AR的IP地址,并且已经接收到消息的AR检查NCoA,并开始与移动节点有关的附加服务的建立处理。