Patents by Inventor Zhenhua Xie

Zhenhua Xie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10386632
    Abstract: The present application discloses a lens, camera, package inspection system and image processing method. The lens comprises an optical lens and a photosensitive chip, and further comprises an optical filter comprising a first filter portion and a second filter portion and disposed between the optical lens and the photosensitive chip, wherein a first object point is imaged on the photosensitive chip through the optical lens and the first filter portion, and a second object point is imaged on the photosensitive chip through the optical lens and the second filter portion, the first filter portion having a thickness greater than that of the second filter portion. The technical problem of a lens in relevant art having a relatively small DOF is solved by the present application.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: August 20, 2019
    Assignee: Hangzhou Hikrobot Technology Co., Ltd
    Inventors: Pinjiang He, Yong Zhu, Wencong Zhang, Mingqiang Xie, Da Guan, Zhenhua Zhang
  • Patent number: 10021578
    Abstract: A local switching method for user plane data includes: after being triggered, a level 1 data node judging whether a direct tunnel can be established for a source user equipment and a target user equipment, and if so, establishing a direct tunnel between a source level 2 data node and a target level 2 data node for the source user equipment and the target user equipment; after receiving an IP data packet transmitted by the source user equipment to the target user equipment, the source level 2 data node forwarding the IP data packet to the target level 2 data node through the direct tunnel between the source level 2 data node and the target level 2 data node, so that the target level 2 data node forwards the IP data packet to the target user equipment.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: July 10, 2018
    Assignee: ZTE Corporation
    Inventors: Zhijun Li, Zhenhua Xie
  • Patent number: 9603183
    Abstract: A method and system are provided for keeping a single radio voice call continuity session alive. The method comprises, during switching of a terminal from a packet switch domain to a circuit switch domain, an application layer gateway establishing a new signaling connection with an enhanced mobile switch center after receiving a first transfer request and notifying a service centralization and continuity application server (SCC AS) to establish a new signaling connection with the application layer gateway, and the SCC AS establishing a new signaling connection with the application layer gateway according to the notification. Using the technical scheme of the method and system provided, the problem of call interruption due to a UE being unable to perform IMS re-registration in a destination domain in a single radio voice call continuity process in the prior art is solved.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: March 21, 2017
    Assignee: ZTE Corporation
    Inventor: Zhenhua Xie
  • Publication number: 20170055306
    Abstract: A local switching method for user plane data includes: after being triggered, a level 1 data node judging whether a direct tunnel can be established for a source user equipment and a target user equipment, and if so, establishing a direct tunnel between a source level 2 data node and a target level 2 data node for the source user equipment and the target user equipment; after receiving an IP data packet transmitted by the source user equipment to the target user equipment, the source level 2 data node forwarding the IP data packet to the target level 2 data node through the direct tunnel between the source level 2 data node and the target level 2 data node, so that the target level 2 data node forwards the IP data packet to the target user equipment.
    Type: Application
    Filed: November 8, 2016
    Publication date: February 23, 2017
    Inventors: Zhijun LI, Zhenhua XIE
  • Patent number: 9526123
    Abstract: A local switching method for user plane data includes: after being triggered, a level 1 data node judging whether a direct tunnel can be established for a source user equipment and a target user equipment, and if so, establishing a direct tunnel between a source level 2 data node and a target level 2 data node for the source user equipment and the target user equipment; after receiving an IP data packet transmitted by the source user equipment to the target user equipment, the source level 2 data node forwarding the IP data packet to the target level 2 data node through the direct tunnel between the source level 2 data node and the target level 2 data node, so that the target level 2 data node forwards the IP data packet to the target user equipment.
    Type: Grant
    Filed: December 24, 2012
    Date of Patent: December 20, 2016
    Assignee: ZTE Corporation
    Inventors: Zhijun Li, Zhenhua Xie
  • Patent number: 9326302
    Abstract: A method and system for implementing reverse Single Radio Voice Call Continuity (rSRVCC) are provided in the present invention. The method includes: after receiving a handover request from a Circuit Switch (CS) domain, a current Mobile Switch Center (MSC) sending a transfer request regarding a terminal subscriber or a session in which the terminal subscriber participates to an IP Multimedia Core Network Subsystem (IMS) Control Function Entity (ICFE); and after receiving the transfer request, the ICFE initiating a media connection establishment flow between the terminal and a far end. The technical solution of the present invention ensures rSRVCC when a terminal hands over from a CS domain to a PS domain.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: April 26, 2016
    Assignee: ZTE Corporation
    Inventors: Zhenhua Xie, Quanjun Tao
  • Patent number: 9281964
    Abstract: Provided are a method and signaling gateway for establishing an optimized media path applied in an IMS network. The method includes: during the process of forwarding a session description protocol (SDP) request and response, when receiving a SDP response of a first session, a first ALG judging that there is an optimized media path between itself and a second ALG, then when sending the SDP response of the first session, including indication information in the send SDP response; the first ALG sending a SDP request with the target being the second ALG; and after having received the SDP response of the first session including the indication information or after having received the SDP request with the target being the second ALG and the SDP response of the first session including the indication information, the second ALG sending the SDP response of the first session.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: March 8, 2016
    Assignee: ZTE Corporation
    Inventors: Zhenhua Xie, Zhenwu Hao
  • Patent number: 9137710
    Abstract: A method for transferring an alerting phase session with customized alerting tone is disclosed. The method includes: when the transfer occurs in an alerting phase session with a customized alerting tone in the way of early session, a mobile switching center initiating a transfer of a normal media negotiation dialog and the MSC or customized alerting tones application server initiating a transfer of customized alerting tone session. A system for transferring an alerting phase session with customized alerting tone is also disclosed, and the system includes a mobile switching center and a customized alerting tones application server. In the present method and system, even the transfer from PS network to CS network occurs, the service experience of the calling user on the customized alerting tone session will not change, thus the normal call request is not affected and there is no need to modify the exiting IMS architecture.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: September 15, 2015
    Assignee: ZTE Corporation
    Inventors: Shitao Li, Zhenhua Xie, Zhendong Li
  • Patent number: 9036622
    Abstract: A media negotiation method for an IP multimedia link is used in the process of establishing an IP multimedia link between a first entity and a second entity via an application server (AS) of an IP multimedia subsystem (IMS). AS sends the second entity an invite message, which includes media resource information of the first entity; When AS receives a message with media resource information from the second entity before an answer message is received or after it receives a response message with media resource information from the second entity, AS sends an IMS re-invite message without media source information to the first entity; the AS, after receiving the IMS signaling message with media resource information from the first entity, sends the first entity the media resource information returned by the second entity. The present invention is applicable to an IMS centralized service and may effectively reduce the number of steps and the time required after response for media resource re-negotiation.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: May 19, 2015
    Assignee: ZTE Corporation
    Inventor: Zhenhua Xie
  • Patent number: 9032082
    Abstract: A method and device configured for processing a session description protocol SDP request in a media path optimization process are provided. The method comprises: an application layer gateway (ALG) receiving a SDP request; the ALG determining that media connection information used by the SDP request is different from media connection information in last accessible domain information in node information of the SDP request; and the ALG sequentially adding its forward accessible domain information and its backward accessible domain information to an end of a queue of the node information of the SDP request, and then sending the SDP request. Thus, an optimized media path and normal communication can be ensured.
    Type: Grant
    Filed: December 24, 2010
    Date of Patent: May 12, 2015
    Assignee: ZTE Corporation
    Inventor: Zhenhua Xie
  • Patent number: 8948743
    Abstract: A method for implementing local call local switch (LCLS) is provided in the present invention, and the method includes that: a mobile switching center (MSC) at a calling side receives a call establishment request of a calling user, and a MSC at a calling side transmits the local reference to a base station system (BSS) at the calling side and a MSC at the called side; the MSC at the called side transmits the received local reference to the BSS at the called side; and a BSS judges whether the local switch can be triggered according to the received local reference, and executes the local switch when determining that the local switch can be triggered. The present invention also provides a system for implementing LCLS. With the method and system provided by the present invention, the problem of unsuccessful local switch resulted by the BSS connecting multiple MSCs is solved.
    Type: Grant
    Filed: December 25, 2009
    Date of Patent: February 3, 2015
    Assignee: ZTE Corporation
    Inventors: Quanjun Tao, Zhenhua Xie, Jing Li
  • Patent number: 8948087
    Abstract: The present application discloses a method and a system for implementing domain selection during a terminated call, in which an application server (AS) sends, according to a received call request message, a query request message to a home subscriber server (HSS); the HSS queries, according to the query request message, a packet switching (PS) domain mobility management network element to obtain information of a called terminal and/or a network accessed by the called terminal in the call request message; the HSS feeds back the obtained information of the called terminal and/or the network accessed by the called terminal to the AS; and the AS selects a domain to which a call message is to be routed according to the information of the called terminal and/or the network accessed by the called terminal.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: February 3, 2015
    Assignee: ZTE Corporation
    Inventors: Ying Hu, Zhijun Li, Changle Zou, Zhenhua Xie, Zhihai Wang
  • Patent number: 8934454
    Abstract: The disclosure discloses a method for switching a circuit switch domain service to a packet switch domain, configuring an HO-Proxy for handover to a PS domain of a target network, the method includes that: a service network base station system sends a CS domain service handover request for a UE to the HO-Proxy when the service network base station system determines to switch a CS domain service of the UE to the PS domain of the target network; and the HO-Proxy requests a target network control entity to switch the CS domain service of the UE to the PS domain of the target network, or switches the CS domain service of the UE to the PS domain of the target network. The disclosure further discloses a system for implementing the method. In the disclosure, when used for switching a CS domain service to a PS network, the HO-Proxy can preserve accurately the PS bearer resource for a corresponding (CS or PS domain) service of the UE, thereby implementing accurate and timely handover.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: January 13, 2015
    Assignee: ZTE Corporation
    Inventor: Zhenhua Xie
  • Publication number: 20140362772
    Abstract: A local switching method for user plane data includes: after being triggered, a level 1 data node judging whether a direct tunnel can be established for a source user equipment and a target user equipment, and if so, establishing a direct tunnel between a source level 2 data node and a target level 2 data node for the source user equipment and the target user equipment; after receiving an IP data packet transmitted by the source user equipment to the target user equipment, the source level 2 data node forwarding the IP data packet to the target level 2 data node through the direct tunnel between the source level 2 data node and the target level 2 data node, so that the target level 2 data node forwards the IP data packet to the target user equipment.
    Type: Application
    Filed: December 24, 2012
    Publication date: December 11, 2014
    Applicant: ZTE CORPORATION
    Inventors: Zhijun Li, Zhenhua Xie
  • Patent number: 8891388
    Abstract: The present invention provides a path node determining method, a media path establishing method and a signaling media gateway. The path node determining method comprises: for any one of the signaling media gateways in the IMS network, when receiving a first SDP offer, transmitting a first SDP offer carrying a first path parameter, wherein a network segment identifier of the signaling media gateway is added in the first path parameter of the transmitted first SDP offer; when receiving a first SDP answer for the transmitted first SDP offer, the signaling media gateway judging, according to a second path parameter in the received first SDP answer or the first path parameter in the transmitted first SDP offer, whether the signaling media gateway is a path node; and transmitting the first SDP answer which carries or does not carry the second path parameter.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: November 18, 2014
    Assignee: ZTE Corporation
    Inventor: Zhenhua Xie
  • Patent number: 8799475
    Abstract: A method for implementing a service for playing multimedia information during a session termination process, applied in an IP multimedia subsystem, comprises the following steps: (1) when a party, referred to as a disconnecting party, in a session disconnects the session, a server equipment requesting a media resource function to reserve multimedia information resource for a party with which the session is disconnected by the disconnecting party, referred to as a disconnected party, and to play the multimedia information to the disconnected party; (2) when the disconnected party disconnects the session or the multimedia information playing is finished, the server equipment performing a corresponding disconnection flow to disconnect the session. With the present invention, it can be implemented that during a session termination process, if one party disconnects the session, the other party can receive multimedia information sent to it by the network, which updates the experience of the user.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: August 5, 2014
    Assignee: ZTE Corporation
    Inventors: Zhenhua Xie, Yiwen Liu
  • Patent number: 8730916
    Abstract: A method for implementing single radio voice call continuity, comprises: User Equipment (UE) establishing an IP Multimedia Core Network Subsystem (IMS) session with a remote user through a Packet Switch (PS) network, wherein the IMS session is anchored to an enhanced Mobile Switch Center (eMSC); the PS network sending a handover request to the eMSC for handing over the IMS session to gain access through a Circuit Switch (CS) network; the eMSC receiving the handover request, establishing a media link, and relating a newly established media link with a remote media link of the IMS session, so that the UE can communicate with the remote user through the newly established media link and the remote media link. The present invention also provides a system and an eMSC for supporting single radio voice call continuity.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: May 20, 2014
    Assignee: ZTE Corporation
    Inventor: Zhenhua Xie
  • Patent number: 8730917
    Abstract: The disclosure discloses a method for realizing single radio voice call continuity, which is applied in an IP Multimedia Core Network Subsystem (IMS) network. The method includes: receiving, by a service continuity application server (SC AS), a handover request, and then updating, by the SC AS, a remote leg, and transmitting, by the SC AS, a handover notification message to a user terminal; receiving, by the user terminal, a handover command in a Packet Switch (PS) domain and the handover notification message, then adjusting, by the user terminal, an access mode to be accessing a Circuit Switch (CS) domain. The invention further discloses a system for realizing single radio voice call continuity. The method and system for realizing enhancement of single radio voice call continuity provided by the disclosure can effectively reduce the overlong interruption time in the prior art, and greatly improve the user experience.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: May 20, 2014
    Assignee: ZTE Corporation
    Inventor: Zhenhua Xie
  • Patent number: 8670411
    Abstract: A method for realizing a single radio voice call continuity and a single radio voice call continuity system are disclosed. After a UE-1 establishes an IMS session with a remote leg through a PS network, wherein in the IMS session, signaling is anchored to an ICP and media is anchored to an AGW controlled by the ICP, the method is realized as follows: sending a handover request by a control net element of the PS network to an eMSC to request a handover of the IMS session to a CS network access mode; after receiving the handover request, preparing a media link resource by the eMSC for the UE-1 to communicate with the eMSC and sending a call request to the ICP; and controlling the AGW to correlate a media link established by the call request with a remote leg media link of the IMS session by the ICP. The method can effectively solve the problem existing in the prior art that the duration of interruption is too long, and improve user experience.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: March 11, 2014
    Assignee: ZTE Corporation
    Inventors: Zhenhua Xie, Zhenwu Hao, Quanjun Tao
  • Patent number: 8665793
    Abstract: The present invention discloses a method and a system for implementing single radio voice call continuity (SRVCC), and said method includes: an ALG sending number information and/or identifier information if the ALG to a SCAS via a signaling message; said SCAS judging whether the number information and/or identifier information of the ALG are identical with the last used REFER number information or not, and if not, said SCAS notifying a PS or CS network control entity of the number information and/or identifier information of the ALG; alternatively, said SCAS notifying the PS or CS network control entity of the number and/or identifier information of the ALG. The present invention implements to dynamically select the ALG as a REFER operation entity to implement SRVCC, and solves the problem that a REFER request cannot be sent to an appropriate ALG since this ALG cannot be dynamically determined.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: March 4, 2014
    Assignee: ZTE Corporation
    Inventor: Zhenhua Xie