Patents by Inventor Heeseon Lim

Heeseon Lim 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: 8503434
    Abstract: Techniques for inserting a new node into a communications path of existing nodes of a 3GPP network are described herein. According to one embodiment, state information is captured within a transport protocol layer of a first node. The state information pertains to an existing communications session between a second node and a third node, while the first node routing packets exchanged between the second and third nodes via the existing communications session. The transport protocol layer of the first node is then configured using the captured state information to enable the transport protocol layer of the first node to independently communicate with a transport protocol layer of the second node and the third node respectively without terminating the existing communications session.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: August 6, 2013
    Assignee: Stoke, Inc.
    Inventors: Nishi Kant, Heeseon Lim
  • Patent number: 8477785
    Abstract: According to one aspect, a mobility gateway device (MGW) receives a request from a wireless local area network (WLAN) controller of a WLAN for accessing the Internet or a packet core network, where the request is originated from a user equipment communicatively coupled to the WLAN. In response to the request, the MGW is configured to determine whether there is an active session associated with the UE over a wireless wide area network (WWAN). If so, the MGW assigns an IP address to the UE that was assigned to the UE during the active session of the WWAN. The assigned IP address is used by the UE to access the Internet or the packet core network over the WLAN.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: July 2, 2013
    Assignee: Stoke, Inc.
    Inventors: Nishi Kant, Heeseon Lim, Yogesh B. Bhatt
  • Patent number: 8462770
    Abstract: Techniques for bypassing a packet core network for Internet bound traffic from user equipment (UE) via a RAN are described herein. According to one embodiment, it is determined whether a packet of data is destined for the Internet, in response to receiving the packet from a radio network controller (RNC) of a radio access network (RAN). The packet is originated from user equipment (UE) over the RAN. The packet is routed directly to the Internet without sending the packet to an SGSN (serving GPRS support node) of a packet core network, if the packet is destined to the Internet. Other methods and apparatuses are also described.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: June 11, 2013
    Assignee: Stoke, Inc.
    Inventors: Nishi Kant, Ankit Bansal, Heeseon Lim
  • Patent number: 8423760
    Abstract: A first packet is received at a network element from an E-UTRAN Node B (eNB) of an E-UTRAN access network via a secured communications tunnel of a secured connection, where the first packet encapsulates a second packet therein. It is determined whether the network element serves both a security gateway functionality and a serving gateway functionality of a core packet network based on the first packet and the second packet. The network element negotiates with the eNB to switch further communications from a tunnel mode to a transport mode of the secured connection if it is determined that the network element serves both the security gateway functionality and the serving gateway functionality. Thereafter, the network element exchanges further packets with the eNB via the transport mode of the secured connection after the eNB switches from the tunnel mode to the transport mode.
    Type: Grant
    Filed: February 23, 2010
    Date of Patent: April 16, 2013
    Assignee: Stoke, Inc.
    Inventors: Nishi Kant, Heeseon Lim
  • Patent number: 8363665
    Abstract: A type of network traffic associated with a packet received from a remote node of an access network is determined. A first interface logic routes the packet to a radio network controller (RNC) if the packet is received from an Internet protocol-basestation (IP-BTS) access network and destined to a packet core network. The RNC forwards the packet to a component of the packet core network. A second interface logic routes the packet to the component of the packet core network, including aggregating other packets of the same type received from other remote nodes, if the packet is received from a femto cell and destined to the packet core network. A breakout logic routes the packet to a destination of the Internet directly to enable the packet to reach the Internet without having to route the packet to the component of the packet core network, if the packet is destined to the Internet.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: January 29, 2013
    Assignee: Stoke, Inc.
    Inventors: Heeseon Lim, Nishi Kant, Ankit Bansal
  • Publication number: 20130021972
    Abstract: A hierarchical data structure for signaling and data handling at a packet core network is defined. A hierarchical data structure is applied to both persistent and dynamic information to support a type of devices that share the same characteristics. Subscription database, context information, and policy rule information is comprised of group level information and device level information. Group level information contains the information the devices that belong to the group share. Device level information contains the device specific information that is different from group level information. When a device belonging to a group requests access to a packet network or performs a procedure that changes the mobility or session state of the device, context management unit works with authentication unit, subscription database unit, and policy decision unit to construct a right information for the device to handle the control and user data traffic.
    Type: Application
    Filed: July 19, 2012
    Publication date: January 24, 2013
    Applicant: CONNECTEM INC.
    Inventors: Heeseon Lim, Nishi Kant
  • Publication number: 20130017831
    Abstract: Methods and systems for providing voice and date services in a femtocell wireless network. The proposed approach integrates IWLAN architecture into femtocell architecture by introducing a gateway to serve both IWLAN and femtocell users. The proposed approach handles the voice and data in a different way so that it enhances the data handling efficiency while re-using existing MSC investment. The proposed approach carries the data traffic from a femtocell base station to the gateway in native IP packet, instead of encapsulating them in 3G data, thus enhancing the efficiency and performance for the data traffic. The data traffic can then be sent to GGSN or directly to packet data network. The approach tunnels voice traffic to MSC through the gateway as in conventional Iu-CS approach.
    Type: Application
    Filed: February 10, 2012
    Publication date: January 17, 2013
    Inventors: Heeseon Lim, Nishi Kant
  • Patent number: 8116264
    Abstract: Methods and systems for providing voice and date services in a femtocell wireless network. The proposed approach integrates IWLAN architecture into femtocell architecture by introducing a gateway to serve both IWLAN and femtocell users. The proposed approach handles the voice and data in a different way so that it enhances the data handling efficiency while re-using existing MSC investment. The proposed approach carries the data traffic from a femtocell base station to the gateway in native IP packet, instead of encapsulating them in 3G data, thus enhancing the efficiency and performance for the data traffic. The data traffic can then be sent to GGSN or directly to packet data network. The approach tunnels voice traffic to MSC through the gateway as in conventional Iu-CS approach.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: February 14, 2012
    Assignee: Ruckus Wireless, Inc.
    Inventors: Heeseon Lim, Nishi Kant
  • Publication number: 20120008578
    Abstract: According to one aspect, a mobility gateway device (MGW) receives a request from a wireless local area network (WLAN) controller of a WLAN for accessing the Internet or a packet core network, where the request is originated from a user equipment communicatively coupled to the WLAN. In response to the request, the MGW is configured to determine whether there is an active session associated with the UE over a wireless wide area network (WWAN). If so, the MGW assigns an IP address to the UE that was assigned to the UE during the active session of the WWAN. The assigned IP address is used by the UE to access the Internet or the packet core network over the WLAN.
    Type: Application
    Filed: July 6, 2011
    Publication date: January 12, 2012
    Applicant: STOKE, INC.
    Inventors: Nishi Kant, Heeseon Lim, Yogesh B. Bhatt
  • Publication number: 20110208959
    Abstract: A first packet is received at a network element from an E-UTRAN Node B (eNB) of an E-UTRAN access network via a secured communications tunnel of a secured connection, where the first packet encapsulates a second packet therein. It is determined whether the network element serves both a security gateway functionality and a serving gateway functionality of a core packet network based on the first packet and the second packet. The network element negotiates with the eNB to switch further communications from a tunnel mode to a transport mode of the secured connection if it is determined that the network element serves both the security gateway functionality and the serving gateway functionality. Thereafter, the network element exchanges further packets with the eNB via the transport mode of the secured connection after the eNB switches from the tunnel mode to the transport mode.
    Type: Application
    Filed: February 23, 2010
    Publication date: August 25, 2011
    Applicant: STOKE, INC.
    Inventors: Nishi Kant, Heeseon Lim
  • Publication number: 20110116499
    Abstract: According to one aspect of the invention, packets of a first type within a first data flow are routed to a destination through a packet core network. In response to a detection that packets of a second type are to be routed while routing the first data flow, a second data flow is created which is a sub-flow of the first data flow. Packets of the second type are routed via the second data flow to the destination without traversing the packet core network, while packets of the first type are routed via the first data flow traversing the packet core network.
    Type: Application
    Filed: November 18, 2010
    Publication date: May 19, 2011
    Applicant: STOKE, INC.
    Inventors: Heeseon Lim, Nishi Kant
  • Publication number: 20110075659
    Abstract: Techniques for inserting a new node into a communications path of existing nodes of a 3GPP network are described herein. According to one embodiment, state information is captured within a transport protocol layer of a first node. The state information pertains to an existing communications session between a second node and a third node, while the first node routing packets exchanged between the second and third nodes via the existing communications session. The transport protocol layer of the first node is then configured using the captured state information to enable the transport protocol layer of the first node to independently communicate with a transport protocol layer of the second node and the third node respectively without terminating the existing communications session.
    Type: Application
    Filed: September 28, 2009
    Publication date: March 31, 2011
    Inventors: Nishi Kant, Heeseon Lim
  • Publication number: 20100097981
    Abstract: A hybrid cellular and IWLAN network having an access gateway providing a user with simultaneous access to GGSN base packet data services and PDG based broadband multi-media services with one IP address. The system further comprises an authentication center retrieving the user's subscription profile information from an operator network to check the user's subscription to simultaneous GGSN and PDG services, wherein said access gateway multiplexes and de-multiplexes the service sessions without any change to said user.
    Type: Application
    Filed: October 16, 2008
    Publication date: April 22, 2010
    Inventors: Nishi Kant, Heeseon Lim
  • Publication number: 20100077102
    Abstract: A type of network traffic associated with a packet received from a remote node of an access network is determined. A first interface logic routes the packet to a radio network controller (RNC) if the packet is received from an Internet protocol-basestation (IP-BTS) access network and destined to a packet core network. The RNC forwards the packet to a component of the packet core network. A second interface logic routes the packet to the component of the packet core network, including aggregating other packets of the same type received from other remote nodes, if the packet is received from a femto cell and destined to the packet core network. A breakout logic routes the packet to a destination of the Internet directly to enable the packet to reach the Internet without having to route the packet to the component of the packet core network, if the packet is destined to the Internet.
    Type: Application
    Filed: November 18, 2009
    Publication date: March 25, 2010
    Applicant: STOKE, INC.
    Inventors: Heeseon Lim, Nishi Kant, Ankit Bansal
  • Publication number: 20100027533
    Abstract: Techniques for bypassing a packet core network for Internet bound traffic from user equipment (UE) via a RAN are described herein. According to one embodiment, it is determined whether a packet of data is destined for the Internet, in response to receiving the packet from a radio network controller (RNC) of a radio access network (RAN). The packet is originated from user equipment (UE) over the RAN. The packet is routed directly to the Internet without sending the packet to an SGSN (serving GPRS support node) of a packet core network, if the packet is destined to the Internet. Other methods and apparatuses are also described.
    Type: Application
    Filed: March 31, 2009
    Publication date: February 4, 2010
    Inventors: Nishi Kant, Ankit Bansal, Heeseon Lim
  • Publication number: 20090135795
    Abstract: Methods and systems for providing voice and date services in a femtocell wireless network. The proposed approach integrates IWLAN architecture into femtocell architecture by introducing a gateway to serve both IWLAN and femtocell users. The proposed approach handles the voice and data in a different way so that it enhances the data handling efficiency while re-using existing MSC investment. The proposed approach carries the data traffic from a femtocell base station to the gateway in native IP packet, instead of encapsulating them in 3G data, thus enhancing the efficiency and performance for the data traffic. The data traffic can then be sent to GGSN or directly to packet data network. The approach tunnels voice traffic to MSC through the gateway as in conventional Iu-CS approach.
    Type: Application
    Filed: October 14, 2008
    Publication date: May 28, 2009
    Inventors: Heeseon Lim, Nishi Kant