公开(公告)号：US09913122B2

公开(公告)日：2018-03-06

申请号：US14905139

申请日：2014-05-20

Applicant: ZTE Corporation

Inventor： Jing Wang ,  Na Zhou ,  Yifeng Bi ,  Jun Wang

IPC: H04L1/00 ,  H04W4/24 ,  H04L12/14 ,  H04M15/00

CPC classification number: H04W4/24 ,  H04L12/1407 ,  H04L12/1435 ,  H04L12/1439 ,  H04M15/66

Abstract: Disclosed is a charging method and system based on a SDN EPC network, which includes: receiving, by a controller, a charging rule from a charging rule generator, and establishing, through binding, a correspondence between a flow table of the controller and the charging rule; setting, by the controller, entries for the flow table bound to the charging rule, and sending the set flow table to a UGW; and receiving, by the controller, a statistical result, reported from the UGW, regarding traffic and/or duration consumed by a service in the flow table, and charging for the service according to the statistical result and the charging rule bound to the flow table.

公开(公告)号：US09838262B2

公开(公告)日：2017-12-05

申请号：US14911018

申请日：2014-05-21

Applicant: ZTE Corporation

Inventor： Yifeng Bi ,  Jing Wang ,  Na Zhou ,  Jun Wang

IPC: H04L12/24 ,  H04L12/751 ,  H04L29/12 ,  H04L12/46

CPC classification number: H04L41/12 ,  H04L12/4633 ,  H04L29/12575 ,  H04L45/02

Abstract: Disclosed are a method, device, system for detecting a data link, controller, and gateway. The method comprises: an SDN controller sends a GTP request message to a first UGW, and instructs the first UGW to send the GTP request message to another GTP endpoint in a GTP user plane signaling format; the SDN controller receives a GTP response message from the first UGW, and detects a data link between the first UGW and the another GTP endpoint according to the GTP response message, the GTP response message being corresponding to the GTP request message. The disclosure solves the problem in the prior art that logic of a user plane and logic of a control plane are unclear during detection of a data link between GTP endpoints, thereby improving the clarity of the logic of the user plane and the clarity of the logic of the control plane.

公开(公告)号：US20170078888A1

公开(公告)日：2017-03-16

申请号：US15350351

申请日：2016-11-14

Applicant: ZTE CORPORATION

Inventor： Zhongyu GU ,  Zaifeng ZONG ,  Jing Wang

IPC: H04W16/02 ,  H04W76/02 ,  H04W8/02 ,  H04W12/06 ,  H04W72/04 ,  H04W8/20

CPC classification number: H04W16/02 ,  H04L45/02 ,  H04L45/54 ,  H04W8/02 ,  H04W8/20 ,  H04W12/06 ,  H04W72/0406 ,  H04W76/10

Abstract: A mobile network-based tenant network service implementation method and system and network elements are disclosed. The method includes: an MME of a mobile network performing identity authentication of a tenant network to which UE belongs on the UE; after the UE passes the identity authentication of tenant network, the MME selecting a local exchange node for the UE; the MME transmitting a creation/update message of a local exchange forwarding table to the local exchange node; the local exchange node creating or updating the local exchange forwarding table and generating a forwarding table entry of UE, wherein the forwarding table entry comprises identification information of UE; after UE bearers establishment are completed, the local exchange node writing UE bearer information into the forwarding table entry of UE; and the local exchange node implementing message forwarding of the tenant network according to the local forwarding table, thereby implementing a tenant network service.

Abstract translation: 公开了一种基于移动网络的租户网络服务实现方法及系统和网元。 该方法包括：移动网络的MME对UE所属的租户网络执行身份认证; 在UE通过租户网络的身份认证后，MME为UE选择本地交换节点; MME向本地交换节点发送本地交换转发表的创建/更新消息; 本地交换节点创建或更新本地交换转发表并生成UE的转发表条目，其中转发表项包括UE的标识信息; 在UE承载建立完成后，本地交换节点将UE承载信息写入UE的转发表项; 本地交换节点根据本地转发表实现租户网络的消息转发，从而实现租户网络服务。

公开(公告)号：US09577512B2

公开(公告)日：2017-02-21

申请号：US14896668

申请日：2014-04-25

Applicant: ZTE CORPORATION

Inventor： Jing Wang ,  Junming Zhang ,  Jie Fan ,  Jianping Zhou

IPC: H02M1/42 ,  G01R19/175 ,  H02M7/219 ,  H02M1/00

CPC classification number: H02M1/42 ,  G01R19/175 ,  H02M1/4233 ,  H02M7/219 ,  H02M2001/0009 ,  Y02B70/126 ,  Y02P80/112

Abstract: Disclosed are a current zero-cross detection device, zero-cross current signal acquisition circuit and totem pole bridgeless circuit system. The current zero-cross detection device includes a current transformer, first sampling switch, second sampling switch, sampling resister, comparator. The current transformer includes a primary winding and a secondary winding; the primary winding is connected to a circuit to be detected; two ends of the secondary winding are connected respectively to drain electrodes of the first and second sampling switches; source electrodes of first and second sampling switches are connected to ground; two ends of the sampling resistor are connected respectively to the drain electrode and source electrode of the second sampling switch; the negative input end of the comparator is connected to the drain electrode of the second sampling switch, its positive input end is connected to a reference voltage; the first and second sampling switches are in ON or OFF state.

Abstract translation: 公开了目前的零交叉检测装置，零交叉电流信号采集电路和图腾柱无桥电路系统。 目前的零交叉检测装置包括电流互感器，第一采样开关，第二采样开关，采样电阻，比较器。 电流互感器包括初级绕组和次级绕组; 初级绕组连接到要检测的电路; 次级绕组的两端分别连接到第一和第二采样开关的漏电极; 第一和第二采样开关的源电极连接到地; 采样电阻的两端分别连接到第二采样开关的漏电极和源极; 比较器的负输入端连接到第二采样开关的漏电极，其正输入端连接到参考电压; 第一和第二采样开关处于ON或OFF状态。

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

Inventor： Yifeng Bi ,  Jun Wang ,  Tian Tian ,  Jing Wang ,  Yuhong LI ,  Lin Li

IPC: H04W36/16 ,  H04W76/02 ,  H04W36/12

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。

公开(公告)号：US20150280927A1

公开(公告)日：2015-10-01

申请号：US14435148

申请日：2013-10-10

Applicant: ZTE CORPORATION

Inventor： Shuang Liang ,  Yuzhen Huo ,  Jing Wang ,  Na Zhou

IPC: H04L12/14 ,  H04M15/00 ,  H04W72/04 ,  H04L12/741 ,  H04W76/02

CPC classification number: H04L12/1407 ,  H04L45/38 ,  H04L45/745 ,  H04M15/66 ,  H04W8/12 ,  H04W8/20 ,  H04W72/042 ,  H04W76/10 ,  H04W88/12 ,  H04W88/16

Abstract: A method and system for routing forwarding are described. The method includes: a controller sends pre-generated routing flow tables to an Evolved Universal Terrestrial Radio Access Network (UTRAN) NodeB (eNB) and an Access Gateway (AGW) respectively; and the eNB and the AGW distribute data according to the received routing flow tables respectively. A controller for routing forwarding is described. According to the disclosure, the controller sends the routing flow tables to the eNB and the AGW, so that the extended OpenFlow protocol can be applied to an Evolved Packet System (EPS), network upgrading cost is lowered, network upgrading can be simplified, and a network upgrading period can be shortened.

Abstract translation: 描述了用于路由转发的方法和系统。 该方法包括：控制器将预先生成的路由流表分别发送到演进通用陆地无线电接入网（UTRAN）NodeB（eNB）和接入网关（AGW）; eNB和AGW分别根据接收到的路由流表分发数据。 描述用于路由转发的控制器。 根据本发明，控制器向eNB和AGW发送路由流表，扩展的OpenFlow协议可以应用于演进分组系统（EPS），网络升级成本降低，网络升级可以简化， 可以缩短网络升级时间。

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

Inventor： Yifeng Bi ,  Jing Wang ,  Tian Tian

IPC: H04W36/10 ,  H04W36/00 ,  H04W36/12 ,  H04W68/00 ,  H04W88/16

CPC classification number: H04W36/10 ,  H04W36/0055 ,  H04W36/12 ,  H04W68/00 ,  H04W76/22 ,  H04W88/16

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.

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

Inventor： Yifeng Bi ,  Yuhong Li ,  Lin Li ,  Tian Tian ,  Jing Wang ,  Jun Wang

IPC: H04W8/08 ,  H04W36/00 ,  H04W36/12 ,  H04L29/12 ,  H04W8/26 ,  H04W88/16

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.

公开(公告)号：US20150282017A1

公开(公告)日：2015-10-01

申请号：US14435143

申请日：2013-10-09

Applicant: ZTE CORPORATION

Inventor： Jing Wang ,  Na Zhou ,  Shuang Liang

IPC: H04W36/00 ,  H04W72/04 ,  H04L12/741 ,  H04W36/30 ,  H04W36/32

CPC classification number: H04W36/0033 ,  H04L45/745 ,  H04W8/02 ,  H04W36/30 ,  H04W36/32 ,  H04W72/0406 ,  H04W88/08

Abstract: A method for realizing mobility management of an Evolved Packet Core (EPC) network is described. A first control network element addresses a second control network element according to an identification or address information of the second control network element sent from a first Mobility Management Entity (MME), acquires an address of a Public Data Network (PDN) Gateway (PGW) and Tunnel Endpoint Identification (TEID) information of the PGW allocated by the second control network element, and sends to the second control network element an address of a first Serving Gateway (SGW) and TEID information of the first SGW allocated thereby; the first control network element sends to the first SGW flow table information including the address of the PGW and the TEID information of the PGW; and the second control network element sends to the PGW flow table information including the address of the first SGW and the TEID information of the first SGW. A system for realizing mobility management of an EPC network is also described. Coordination problems of two control network elements caused by changes of the control network elements due to a movement of a UE can be solved by the solution of the embodiments of the disclosure.

Abstract translation: 描述了用于实现演进分组核心（EPC）网络的移动性管理的方法。 第一控制网元根据从第一移动性管理实体（MME）发送的第二控制网元的标识或地址信息寻址第二控制网元，获取公共数据网（PDN）网关（PGW）的地址， 和由第二控制网元分配的PGW的隧道端点识别（TEID）信息，向第二控制网元发送第一服务网关（SGW）的地址和由其分配的第一SGW的TEID信息; 第一控制网元向第一SGW流表发送包括PGW的地址和PGW的TEID信息的信息; 并且第二控制网元向PGW流表发送包括第一SGW的地址和第一SGW的TEID信息的信息。 还描述了一种用于实现EPC网络的移动性管理的系统。 通过解决本公开的实施例可以解决由于UE的移动引起的控制网元的变化而引起的两个控制网元的协调问题。

公开(公告)号：US20140348069A1

公开(公告)日：2014-11-27

申请号：US14371047

申请日：2012-12-24

Applicant: ZTE Corporation

Inventor： Jing Wang ,  Shuang Liang

IPC: H04W74/02 ,  H04W76/06 ,  H04L12/24 ,  H04W8/08 ,  H04W74/08

CPC classification number: H04W74/02 ,  H04L41/0816 ,  H04W8/08 ,  H04W8/186 ,  H04W74/0808 ,  H04W76/32 ,  H04W76/38 ,  H04W76/40

Abstract: A method for processing local access connections, comprises: when a user terminal is in a connected state and accesses through a hybrid mode home nodeB, if a mobility management entity of a core network detects that closed subscriber group (CSG) membership of the user terminal changes or times out (401), the mobility management entity of the core network initiating releasing of all the activated local access packet data network (PDN) connections or notifying the home nodeB to trigger a local gateway to initiate releasing of all the activated local access PDN connections (402).

Abstract translation: 一种用于处理本地接入连接的方法，包括：当用户终端处于连接状态并通过混合模式家庭节点B进行接入时，如果核心网的移动性管理实体检测到用户终端的封闭用户组（CSG）成员资格 更改或超时（401），核心网络的移动性管理实体发起所有激活的本地接入分组数据网络（PDN）连接的释放，或者通知家庭节点B触发本地网关以发起所有激活的本地接入 PDN连接（402）。