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    Mobility in a multi-network wireless system
    1.
    发明授权
    Mobility in a multi-network wireless system 有权

    公开(公告)号：US10349328B2

    公开(公告)日：2019-07-09

    申请号：US15651501

    申请日：2017-07-17

    Applicant: Google Inc.

    Inventor： Mitchell Trott ,  Krishna Kamal Sayana ,  Dutt Kalapatapu ,  Rajeev Koodli ,  Hassan Sipra

    IPC: H04W36/30 ,  H04W4/00 ,  H04W36/14 ,  H04W36/36 ,  H04W88/06

    Abstract: A method includes receiving one or more data packets from an external network when a user device connects to a first network. The user device is configured for dual connectivity with the first network and a second network. The method also includes transmitting a measurement configuration to a modem of the user device and receiving a measurement report from the modem. When it is feasible for the modem to perform a network change, the method includes transmitting a network change command to the modem. The network change command causes the modem to perform the network switch to connect the user device to the second network.

    Smooth handover of active user traffic in mobile radio base stations
    3.
    发明授权
    Smooth handover of active user traffic in mobile radio base stations 有权

    公开(公告)号：US09913173B2

    公开(公告)日：2018-03-06

    申请号：US15099132

    申请日：2016-04-14

    Applicant: Google Inc.

    Inventor： Rajeev Koodli ,  Hassan Sipra

    IPC: H04W4/00 ,  H04W36/00 ,  H04W60/04 ,  H04W36/32 ,  H04W36/18

    CPC classification number: H04W36/0016 ,  H04W36/0094 ,  H04W36/18 ,  H04W36/32 ,  H04W60/04 ,  H04W84/005

    Abstract: This disclosure provides systems, methods, and apparatus for handover of communications between a plurality of radio user equipment and an egressing mobile base station to an ingressing mobile base station. The user equipment are terrestrially located within a geographical service zone (GSZ) having an ingress zone and an egress zone. When an egressing mobile base station enters an egress zone, it initiates a handover to a management node associated with the GSZ. The management node communicates with the ingressing mobile base station, which has entered the ingress zone, to accept the handover of the connections from the egressing base station. The handover is carried out without any disruption of user equipment communications. The management node can also communicate with a flight control node to control one or more flight parameters of the ingressing or egressing base station to facilitate smooth handover.

    SYSTEMS AND METHODS FOR LOAD BALANCING IN A DISTRIBUTED SOFTWARE DEFINED NETWORK PACKET CORE SYSTEM
    5.
    发明申请
    SYSTEMS AND METHODS FOR LOAD BALANCING IN A DISTRIBUTED SOFTWARE DEFINED NETWORK PACKET CORE SYSTEM 审中-公开

    公开(公告)号：US20170085486A1

    公开(公告)日：2017-03-23

    申请号：US15270862

    申请日：2016-09-20

    Applicant: Google Inc.

    Inventor： Bok Knun Randolph Chung ,  Hassan Sipra ,  Ankur Jain

    IPC: H04L12/803 ,  H04L29/06

    Abstract: Systems and methods for balancing load in a distributed software defined network (SDN) packet core system include a stateless load balancer within a local SDN infrastructure instance of the distributed SDN packet core system receiving a data packet for processing by at least one of a plurality of SDN network function modules of local SDN infrastructure instance. The stateless load balancer can direct the data packet to a stateful load balancer residing on a first computing device, among the plurality of computing devices in the local SDN infrastructure instance. The stateful load balancer can determine a stateful data packet processing task to be applied to the data packet and determine a second computing device in the local SDN infrastructure instance for applying the determined stateful data packet processing task to the data packet. The stateful load balancer can then forward the data packet to the second computing device.

    SMOOTH HANDOVER OF ACTIVE USER TRAFFIC IN MOBILE RADIO BASE STATIONS
    7.
    发明申请
    SMOOTH HANDOVER OF ACTIVE USER TRAFFIC IN MOBILE RADIO BASE STATIONS 有权

    公开(公告)号：US20170303168A1

    公开(公告)日：2017-10-19

    申请号：US15099132

    申请日：2016-04-14

    Applicant: Google Inc.

    Inventor： Rajeev Koodli ,  Hassan Sipra

    IPC: H04W36/00 ,  H04W36/32 ,  H04W36/18 ,  H04W60/04

    CPC classification number: H04W36/0016 ,  H04W36/0094 ,  H04W36/18 ,  H04W36/32 ,  H04W60/04 ,  H04W84/005

    Abstract: This disclosure provides systems, methods, and apparatus for handover of communications between a plurality of radio user equipment and an egressing mobile base station to an ingressing mobile base station. The user equipment are terrestrially located within a geographical service zone (GSZ) having an ingress zone and an egress zone. When an egressing mobile base station enters an egress zone, it initiates a handover to a management node associated with the GSZ. The management node communicates with the ingressing mobile base station, which has entered the ingress zone, to accept the handover of the connections from the egressing base station. The handover is carried out without any disruption of user equipment communications. The management node can also communicate with a flight control node to control one or more flight parameters of the ingressing or egressing base station to facilitate smooth handover.

    SYSTEM AND METHOD FOR SEAMLESS MOBILITY OF USER SESSIONS WITH MULTI-ACCESS CONNECTIVITY
    8.
    发明申请
    SYSTEM AND METHOD FOR SEAMLESS MOBILITY OF USER SESSIONS WITH MULTI-ACCESS CONNECTIVITY 审中-公开

    公开(公告)号：US20170223593A1

    公开(公告)日：2017-08-03

    申请号：US15388351

    申请日：2016-12-22

    Applicant: Google Inc.

    Inventor： Rajeev Koodli ,  Hassan Sipra ,  Dutt Kalapatapu

    IPC: H04W36/18 ,  H04W36/00 ,  H04W36/16 ,  H04W36/04 ,  H04W36/30

    Abstract: Systems and methods for maintaining a user session during an access network handover are provided. The method can include establishing, between a user equipment and an access network, a first connection over a first access network, and a second connection over a second access network such that the first and second connections exist concurrently. The method can include setting the first connection as an active connection for conveying data packets for stateful user session, and setting the second connection as a standby connection. The method can include exchanging a series of handover messages between the user equipment and the access gateway. The method can include transitioning the active connection to the second connection, and setting the first connection to the standby connection. The method can include continuing, over the second connection, the stateful user session such that a state of the stateful user session is maintained through the transition.

    CACHING IN A MOBILE NETWORK
    10.
    发明申请
    CACHING IN A MOBILE NETWORK 审中-公开
    在移动网络中进行访问

    公开(公告)号：US20160323408A1

    公开(公告)日：2016-11-03

    申请号：US15130454

    申请日：2016-04-15

    Applicant: Google Inc.

    Inventor： Bok Knun Randolph Chung ,  Ankur Jain ,  Dutt Kalapatapu ,  Hassan Sipra

    IPC: H04L29/08

    CPC classification number: H04L67/2842 ,  H04L67/1004 ,  H04L67/1097 ,  H04L67/2814

    Abstract: Systems and methods for providing data caching within a mobile access network include deploying data cache(s) in association with one or more network nodes configured to manage communications between the mobile access network and external data networks. Upon a content provider network receives a data request from a client device via the mobile access network, the content provider network can determine whether the requested data is cached in one of the network nodes managing communications with the content provider network. If a network node is determined, the content provider network can redirect the client device to the determined network node. The client device can then request the data from the determined network node. The network node can determine a caching server storing the requested data and redirecting the client device to the caching server.

    Abstract translation: 用于在移动接入网络内提供数据高速缓存的系统和方法包括与被配置为管理移动接入网络和外部数据网络之间的通信的一个或多个网络节点相关联地部署数据高速缓存。 在内容提供商网络经由移动接入网络从客户端设备接收到数据请求时，内容提供商网络可以确定所请求的数据是否被缓存在管理与内容提供商网络的通信的一个网络节点中。 如果确定了网络节点，则内容提供商网络可以将客户端设备重定向到所确定的网络节点。 客户端设备然后可以从确定的网络节点请求数据。 网络节点可以确定存储所请求数据的缓存服务器，并将客户端设备重定向到缓存服务器。

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