Patents by Inventor HuaiShan Zhang

HuaiShan Zhang 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).

  • VoWLAN call handover method, UE and core network node
    Patent number: 10057829
    Abstract: The present disclosure relates to VoWLAN call handover solutions. In one embodiment the method comprising: making a voice call through a Wireless Local Area Network (WLAN) under whose coverage the UE is located, with a Packet Data Network (PDN) address obtained from a PDN to which the WLAN is connected; determining that a signal quality of the WLAN is not suitable for the voice call anymore; and sending the PDN address to a base station of a mobile communication network covering the UE, for facilitating a core network node of the mobile communication network to perform voice call handover from WLAN to the mobile communication network. The present disclosure also provides a UE and a core network node for implementing the same.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: August 21, 2018
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: HuaiShan Zhang, Tao Liu, Lin Dong
  • VOWLAN CALL HANDOVER METHOD, UE AND CORE NETWORK NODE
    Publication number: 20160192267
    Abstract: The present disclosure relates to VoWLAN call handover solutions. In one embodiment the method comprising: making a voice call through a Wireless Local Area Network (WLAN) under whose coverage the UE is located, with a Packet Data Network (PDN) address obtained from a PDN to which the WLAN is connected; determining that a signal quality of the WLAN is not suitable for the voice call anymore; and sending the PDN address to a base station of a mobile communication network covering the UE, for facilitating a core network node of the mobile communication network to perform voice call handover from WLAN to the mobile communication network. The present disclosure also provides a UE and a core network node for implementing the same.
    Type: Application
    Filed: December 24, 2014
    Publication date: June 30, 2016
    Inventors: HuaiShan Zhang, Tao Liu, Lin Dong
  • Method and a system for providing MBMS counting
    Patent number: 8891427
    Abstract: A method and a system for implementing a MBMS counting in a wireless communication network environment, wherein a plurality of User Equipments and at least one Radio Network Controller are located in the wireless communication network.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: November 18, 2014
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Lin Dong, Shuguang Yang, HuaiShan Zhang
  • METHOD AND A SYSTEM FOR PROVIDING MBMS COUNTING
    Publication number: 20110319011
    Abstract: A method and a system for implementing a MBMS counting in a wireless communication network environment, wherein a plurality of User Equipments and at least one Radio Network Controller are located in the wireless communication network.
    Type: Application
    Filed: April 24, 2009
    Publication date: December 29, 2011
    Inventors: Lin Dong, Shuguang Yang, HuaiShan Zhang