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公开(公告)号：US09992717B2
公开(公告)日：2018-06-05
申请号：US14914812
申请日：2014-05-20
Applicant: ZTE CORPORATION
Inventor： Tian Tian
CPC classification number: H04W36/023 , H04L45/745 , H04W8/02 , H04W28/0226 , H04W36/08 , H04W80/04 , H04W84/12
Abstract: Disclosed are a service processing method, a network controller and a forwarding device, wherein the method includes: after learning that a terminal leaves a network, a network controller acquiring information of a home forwarding device when the terminal leaves the network; the network controller determining a caching policy flow table, and sending the caching policy flow table to the home forwarding device. With the embodiment of the present document, in an IP network architecture in which control and forwarding are separated, after a WLAN terminal switches to a new radio access device, the service continuity can be maintained.
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公开(公告)号：US20170013512A1
公开(公告)日：2017-01-12
申请号：US15119518
申请日：2014-06-26
Applicant: ZTE CORPORATION
CPC classification number: H04W36/0022 , H04L61/2069 , H04W8/082 , H04W8/26 , H04W36/12 , H04W88/16
Abstract: Provided is a method for selecting a shunt gateway and a controller. The method includes that: the controller allocates an Anycast address of Serving Gateways (S-GWs) for a user equipment, and sends the Anycast address to all of the S-GWs; the controller sends the Anycast address to a radio-side network element via a Mobility Management Entity (MME); and when the controller receives a Packet_In message and a first uplink data packet from the user equipment sent by an S-GW, the controller selects the S-GW as an S-GW for the user equipment.
Abstract translation: 提供了一种用于选择并联网关和控制器的方法。 该方法包括：控制器为用户设备分配服务网关（S-GW）的任播地址，并向所有S-GW发送任播地址; 控制器通过移动性管理实体（MME）向无线侧网元发送任播地址; 并且当控制器从S-GW发送的用户设备接收到Packet_In消息和第一上行链路数据包时，控制器选择S-GW作为用户设备的S-GW。
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3.发明申请METHOD FOR ESTABLISHING OPTIMAL PATH, MME AND GATEWAY, AND COMPUTER STORAGE MEDIUM 审中-公开建立最佳路径，MME和网关以及计算机存储介质的方法公开(公告)号：US20160295479A1
公开(公告)日：2016-10-06
申请号：US15037161
申请日：2014-06-16
Applicant: ZTE Corporation
CPC classification number: H04W36/165 , H04W36/12 , H04W76/19 , H04W88/08 , H04W88/16
Abstract: The present invention discloses a method for establishing an optimal path, an MME and gateway, and a computer storage medium, the method comprising: in the case of a terminal mobility event occurring, a mobility management entity (MME) determining whether the path to which a packet data network (PDN) is connected is the optimal path; if said path is a non-optimal path, said MME querying the local gateway whether there is data transmission; in the absence of said data transmission, said MME initiating a PDN connection reestablishment process.
Abstract translation: 本发明公开了一种建立最优路径的方法，MME和网关以及计算机存储介质，所述方法包括：在发生终端移动性事件的情况下，移动性管理实体（MME） 分组数据网络（PDN）是连接的最佳路径; 如果所述路径是非最优路径，则所述MME查询所述本地网关是否存在数据传输; 在没有所述数据传输的情况下，所述MME启动PDN连接重建过程。
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公开(公告)号：US10015712B2
公开(公告)日：2018-07-03
申请号：US15037812
申请日：2014-06-04
Applicant: ZTE Corporation
Abstract: A method and system for notifying information applied to an Evolved Packet System/General Packet Radio Service network implemented by a Software Defined Network is provided, in which, a controller reselects a gateway to obtain a new gateway and sends user plane information of the new gateway to a front-end network element. The user plane information comprises user plane address information of the new gateway. The controller sends a GPRS Tunnel Protocol (GTP) notification message or GTP Update Bearer Request message carrying the user plane information of the new gateway to the front-end network element; or sends a GTP Update Bearer Request message carrying an update indication to the front-end network element, sends a bearer response message carrying the user plane information to the front-end network element through a GTP Modify Bearer Response after receiving a GTP Modify Bearer Request message sent by the front-end network element.
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Patent Agency Ranking
公开(公告)号：US09668176B2
公开(公告)日：2017-05-30
申请号：US15119518
申请日：2014-06-26
Applicant: ZTE Corporation
CPC classification number: H04W36/0022 , H04L61/2069 , H04W8/082 , H04W8/26 , H04W36/12 , H04W88/16
Abstract: Provided is a method for selecting a shunt gateway and a controller. The method includes that: the controller allocates an Anycast address of Serving Gateways (S-GWs) for a user equipment, and sends the Anycast address to all of the S-GWs; the controller sends the Anycast address to a radio-side network element via a Mobility Management Entity (MME); and when the controller receives a Packet_In message and a first uplink data packet from the user equipment sent by an S-GW, the controller selects the S-GW as an S-GW for the user equipment.
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公开(公告)号：US12126482B2
公开(公告)日：2024-10-22
申请号：US18031575
申请日：2021-07-19
Applicant: ZTE CORPORATION
Inventor： Xingxing Cui , Ying Deng , Zuofeng Zhang , Yenan Bie , Tian Tian
IPC: H04L27/34 , H04B7/0456
CPC classification number: H04L27/3405 , H04B7/0456
Abstract: The present disclosure provides a signal processing apparatus and a signal processing method, the signal processing apparatus includes: a preprocessing unit configured to generate a joint matrix according to channel matrixes of subcarriers, and perform a parallel-to-serial conversion on QAM signals of the subcarriers to obtain a serial QAM signal; a judgment unit configured to determine a constraint relationship of a constellation point in each element according to a determining result obtained by determining that whether the constellation point is to be extended in a constellation diagram; a processing unit configured to establish a convex optimization model according to the joint matrix, the serial QAM signal and the determining result, and determine a joint time-domain signal of antenna channels according to the constraint relationship of the constellation point and the convex optimization model; and a conversion unit configured to perform a serial-to-parallel conversion on the joint time-domain signal.
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公开(公告)号：US10250508B2
公开(公告)日：2019-04-02
申请号：US15113443
申请日：2014-07-25
Applicant: ZTE CORPORATION
Inventor： Quanjun Tao , Tian Tian
IPC: H04L12/64 , H04L12/803 , H04L12/70 , H04L12/911 , H04L29/08 , H04L12/741
Abstract: A load balancing method and system are provided in the embodiments of the present document. The method includes: collecting load information of a load balancing object, and generating a load balancing group table according to the load information; generating a load balancing group routing table according to information of the load balancing group table; and forwarding a data packet according to the load balancing group routing table.
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公开(公告)号：US10103977B2
公开(公告)日：2018-10-16
申请号：US15036877
申请日：2014-05-30
Applicant: ZTE Corporation
IPC: H04L12/721 , H04W76/10 , H04L12/715 , H04L29/12 , H04L12/24 , H04W88/16
Abstract: Provided are a data flow distribution method and a controller. The method includes: a software defined network (SDN) controller acquiring data flow description information of a data flow; and the SDN controller deciding, according to the data flow description information, whether the data flow needs distribution, and when the data flow needs the distribution, delivering a distribution rule flow table to a distribution gateway. By using the technical solutions, application/service data flow based distribution is implemented. Compared with the related art that distribution is implemented based on a PDN connection and based on a bearer, the technical solutions implement finer-granularity distribution, and improve experience of users and competition of operators.
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公开(公告)号：US09998962B2
公开(公告)日：2018-06-12
申请号：US14914776
申请日：2014-05-22
Applicant: ZTE CORPORATION
Inventor： Tian Tian
Abstract: Disclosed are a method for processing wireless access, a forwarding device and a network controller. The method includes: the forwarding device establishing a wireless access point table for local access; the forwarding device maintaining the wireless access point table for local access according to whether a wireless access point in the wireless access point table for local access exists and a state of the wireless access point in the wireless access point table for local access. The embodiments of the present document have achieved that the data of a corresponding relationship between APs and home forwarding devices are kept consistently under a pure WLAN network scenario or a multi-network integrated scenario in which the WLAN network accesses a mobile core network.
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