Patents by Inventor Woonhee Hwang

Woonhee Hwang 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: 9491653
    Abstract: It is provided an apparatus, including flag detecting means adapted to detect a received flag; state detecting means adapted to detect if the apparatus communicates in a forward access channel state; measuring means adapted to perform, if the apparatus communicates in the forward access channel state, a measurement only if the flag is detected, wherein the measurement is radio related.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: November 8, 2016
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Guillaume Decarreau, Woonhee Hwang, Karri Markus Ranta-Aho
  • Patent number: 9485709
    Abstract: According to an example embodiment, there is provided a method comprising determining a barring class to which a user equipment belongs, and determining a value for a barring timer, wherein determining the value for a barring timer uses a value derived from a system frame number, SFN, in which the user equipment received an access barring parameter. The method may further comprise initializing the barring timer to the determined value, starting the barring timer and determining, while the barring timer is running, whether a group of user equipment to which the user equipment belongs is barred.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: November 1, 2016
    Assignee: Nokia Technologies Oy
    Inventors: Jarkko Koskela, Woonhee Hwang
  • Patent number: 9485630
    Abstract: The present invention relates to methods and devices for enabling reception of a specific service for terminals idle mode. More particularly, the present invention relates to such methods and devices enabling mobility for terminals in idle mode so as to receive an MBMS service. In case a terminal is interested in the MBMS service, it applies different reselection rule than normal reselection rule i.e., when the terminal is not interested in the MBMS service. For instance, the terminal manipulates the priority indications received from an eNB and considers MBMS layer the highest priority in case the terminal is interested in MBMS service. If the terminal thus manipulates the priority due to the (intended) MBMS reception, the terminal starts an MBMS timer, which is received as a permission parameter from the eNB.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: November 1, 2016
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Woonhee Hwang, Henri Koskinen
  • Patent number: 9451490
    Abstract: A technique is provided to control transmitting, by a mobile station (MS) that uses carrier aggregation, a message including an interoperability test (IOT) indication for one or more uplink-downlink (UL-DL) configuration combinations of time-division-duplex (TDD) radio frames for use by a primary cell and a secondary cell. In one example implementation, an IOT indication may be provided for one or more (or each) uplink-downlink configuration combinations (e.g., one IOT indication per UL-DL configuration combination). In another example implementation, an IOT indication may be provided for one or more sets of uplink-downlink configuration combinations, where each set may include a plurality of UL-DL configuration combinations.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: September 20, 2016
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Chunli Wu, Woonhee Hwang, Chun Hai Yao
  • Patent number: 9439103
    Abstract: Methods, apparatuses, and systems are provided for modem coordination. A method may include establishing a coordinated communication session with a base station on a first communication channel. The method may further include causing transmission, to the base station, of an indication of an occurrence of an irregular transmission of data on a second communication channel. The second communication channel may be with a station logically separated from the base station. The base station maybe configured to respond to the indication of the occurrence of the irregular transmission by modifying transmission on the first communication channel to avoid interfering with the irregular transmission. The method may additionally include causing transmission, to the base station, of an indication of completion of the irregular transmission to allow the base station to resume normal transmission on the first communication channel. Corresponding apparatuses and systems are also provided.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: September 6, 2016
    Assignee: Nokia Technologies Oy
    Inventors: Mikko Pesola, Petri Vasenkari, Tommi Auranen, Woonhee Hwang, Sabine Rossel, Michael Schopp, Sari Nielsen
  • Patent number: 9392447
    Abstract: Systems, methods, apparatuses, and computer program products for security handling in, for example, cells that support multiple frequency band indication are provided. One method includes receiving, for example by a source evolved node B (eNB) configured to communicate with a user equipment, a multiple frequency band indicator (MFBI) list, the multiple frequency band indicator (MFBI) list comprising at least one frequency band number listed in the same order of priority as broadcast by a target eNB. The method may further include selecting one of the at least one frequency band number for use by the source eNB, calculating a security key (KeNB*) using the DL EARFCN belonging to the selected frequency band number with the highest priority that is also supported by the user equipment, and signaling the calculated security key to the target eNB.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: July 12, 2016
    Inventors: Woonhee Hwang, Eric Drury, Guenther Horn
  • Publication number: 20160198364
    Abstract: A User Equipment including at least one processor, and at least one memory for storing instructions to be executed by the processor, wherein the at least one memory and the instructions are configured to, with the at least one processor, cause the User Equipment at least: to conduct a processing for deciding whether or not it is acceptable to divert at least a part of a communication traffic of a communication currently conducted by the User Equipment with a first communication network to a second communication network, in case the decision is that it is not acceptable, to prepare a report indicating that the diversion of the communication traffic to the second communication network is not conducted, and to cause a transmission of the report to the first communication network.
    Type: Application
    Filed: August 9, 2013
    Publication date: July 7, 2016
    Inventors: Hanns Juergen SCHWARZBAUER, Simone REDANA, Woonhee HWANG, Jussi-Pekka KOSKINEN, Jarkko Tuomo KOSKELA
  • Patent number: 9338736
    Abstract: Improved systems and techniques for controlling access to network resources. A base station broadcasts extended access barring (EAB) and access class barring (ACB) information. Upon a determination by a user equipment that the user equipment requires service from the base station, the user equipment determines its EAB category and call type. The user equipment receives the EAB and ACB information broadcast by the base station and determines if it is subject to EAB based on its EAB category. If the user equipment is not subject to EAB, the user equipment determines if its call type is subject to ACB and, if the call type is subject to ACB, applies access class barring based on its call type.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: May 10, 2016
    Inventors: Yi Zhang, Robert Zaus, Woonhee Hwang, Lei Du, Devaki Chandramouli
  • Publication number: 20160128046
    Abstract: A communication device with a bearer provided by a first node is provided with a configuration for a further component carrier by a second node. It is determined that the communication device has not been provided with at least one configuration parameter for configuration of the at least one further component carrier for the bearer. In response a corresponding at least one configuration parameter received from the first node Is used for configuring for the at least one further component carrier.
    Type: Application
    Filed: May 9, 2013
    Publication date: May 5, 2016
    Applicant: Nokia Siemens Networks OY
    Inventors: Benoist Pierre Sebire, Woonhee Hwang
  • Publication number: 20160119943
    Abstract: A method for transmission control in a communications system is disclosed, the method including transmitting, from a network apparatus to a user terminal, an indication to tell the user terminal to refrain from sending a resource scheduling request until a predefined event is detected in the user terminal. The transmitted indication may include e.g. a request to carry out an enforced periodical global cell identity CGI measurement.
    Type: Application
    Filed: May 14, 2013
    Publication date: April 28, 2016
    Inventors: Rossella DE BENEDITTIS, Woonhee HWANG
  • Patent number: 9307479
    Abstract: In accordance with an example embodiment of the present invention, a method includes receiving a connection request in uplink signaling from a user equipment, the user equipment being located in a cell; making a determination whether the user equipment can be connected and, if it is determined that the user equipment cannot be connected, informing the user equipment by downlink signaling, as a response to the connection request, that the user equipment cannot be connected. The downlink signaling includes information that indicates that the user equipment should de-prioritize a current carrier frequency or current radio access technology, and can further include a timer value to indicate a period of time for which the current carrier frequency or current radio access technology is to be de-prioritized. The method can be executed by an evolved NodeB (eNB) of an evolved universal terrestrial radio access network (E-UTRAN).
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: April 5, 2016
    Assignee: Nokia Technologies Oy
    Inventors: Woonhee Hwang, Jussi-Pekka Koskinen, Jarkko T. Koskela
  • Publication number: 20160095046
    Abstract: A method includes causing a user equipment to use one or more wireless local area networks based on cellular network information for a wireless cellular network indicating that a user equipment has restricted access to said wireless cellular network.
    Type: Application
    Filed: May 3, 2013
    Publication date: March 31, 2016
    Inventors: Janne Petteri TERVONEN, Woonhee HWANG, Hanns Juergen SCHWARZBAUER
  • Patent number: 9301228
    Abstract: A method, mobile device, network device, system, and software product are presented for providing an indication whether a source radio network controller requests to receive system information from a handover target, and for receiving the system information in a target to source transparent container, if the indication requests to receive the system information.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: March 29, 2016
    Assignee: Vringo, Inc.
    Inventors: Woonhee Hwang, Olivier Guyot, Antti O. Kangas
  • Publication number: 20160073297
    Abstract: It is provided a method, including checking if a first condition for an offloading a first radio access bearer of a first radio access network of a first radio access technology to a second radio access network of a second radio access technology different from the first radio access technology is fulfilled, wherein the first condition is received for the first radio access bearer, and wherein the first condition includes a grouping information; preventing the offloading of the first radio access bearer to the second radio access network if the first condition is fulfilled.
    Type: Application
    Filed: April 8, 2013
    Publication date: March 10, 2016
    Inventors: Woonhee Hwang, Hanns J├╝rgen Schwarzbauer, Gyorgy Tamas Wolfner
  • Publication number: 20160050652
    Abstract: According to embodiments of the invention, an apparatus is provided which includes a connection unit configured to send and/or receive data to and/or from a secondary network control node, a processor configured to establish a configuration preparation message for the secondary network control node for preparing a carrier aggregation in which data to a user equipment is transmitted by at least two component carriers, and in which at least one first component carrier is provided between the apparatus and the user equipment and at least one second component carrier is provided between the secondary network control node and the user equipment, wherein the configuration preparation message includes configuration preparation information for the carrier aggregation, and the connection unit is configured to send the configuration preparation message to the secondary network control node.
    Type: Application
    Filed: January 11, 2012
    Publication date: February 18, 2016
    Inventors: Chunli WU, Claudio ROSA, Henri Markus KOSKINEN, Woonhee HWANG
  • Publication number: 20160044713
    Abstract: A technique including deciding at a communication device between different types of signalling procedure for a data transmission to a network, based on one or more rules outside the control of the communication device; wherein said different types of signalling procedure have different signalling overhead profiles.
    Type: Application
    Filed: March 12, 2013
    Publication date: February 11, 2016
    Applicant: Nokia Solutions and Networks Oy
    Inventors: Lei DU, Yan Ji ZHANG, Woonhee HWANG
  • Patent number: 9204450
    Abstract: The present invention relates to dynamic spectrum refarming with multiple carriers. At a first communication system of a first radio access technology, a request is received in a first signaling message from a second communication system of a second radio access technology, the request including information on availability of spectrum blocks shared between the first and second communication systems. The availability of the spectrum blocks may have been determined based on a load of the second communication system. The first communication system performs carrier aggregation mechanisms based on the information with respect to the spectrum blocks, and may transmit a response to the request in a second signaling message to the second communication system, the response including an acknowledgment of an activation/deactivation of at least one additional carrier and/or a corresponding carrier aggregation.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: December 1, 2015
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Jani Matti Johannes Moilanen, Antti Anton Toskala, Timo Erkki Lunttila, Sabine Roessel, Woonhee Hwang, Mikko Saily
  • Publication number: 20150304894
    Abstract: A first method (and related first apparatus) includes transmitting, in a handover request message, an indication of a first protocol version; a second method (and related second apparatus) includes receiving, in the handover request message, the indication, deciding, based on the received indication and a second protocol version, on a value of an information element included in a handover request acknowledgement message to be transmitted, the information element indicating usage of a first or second signaling scheme, and transmitting the handover request acknowledgement message including the information element; and in the first method receiving the handover request acknowledgement message including the information element; and a third method (and related third apparatus) including receiving the handover command message including the information element, and configuring according to one of the first and second signaling schemes indicated by the information element.
    Type: Application
    Filed: June 29, 2015
    Publication date: October 22, 2015
    Inventors: Andreas Bufe, Woonhee Hwang, Michael Schopp
  • Publication number: 20150271736
    Abstract: Improved mechanisms for wireless cellular access using coverage extension techniques are described. A UE needing to use coverage extension to request access to a prospective serving cell detects cells (other than the prospective serving cell) on its frequency, and then investigates each such cell (for example, by attempting to read its system information block and, if the system information block can be read, determining if the cell supports access using coverage extension. If detected cells do not support coverage extension, the UE does not use coverage extension techniques to request access, but if all detected cells support coverage extension, the UE requests access using coverage extension techniques.
    Type: Application
    Filed: March 20, 2014
    Publication date: September 24, 2015
    Inventors: Guillaume Decarreau, Benoist Pierre Sebire, Woonhee Hwang, Rapeepat Ratasuk
  • Publication number: 20150223198
    Abstract: A method includes determining at a network node whether paging to be sent from the network node toward an intermediate node for further forwarding to a user equipment will arrive at the user equipment before the user equipment transitions from an idle state to a power save state. The method includes sending or not sending the paging toward the intermediate node based on the determining. Another method includes performing an estimation at a network access node providing wireless network access to a user equipment of how long it will take before a next paging frame or paging occasion occurs for the user equipment, and sending to a network node a value indicative of the estimation. Apparatus, computer programs, and computer program products are also disclosed corresponding to the methods.
    Type: Application
    Filed: January 31, 2014
    Publication date: August 6, 2015
    Applicant: Nokia Solutions and Networks Oy
    Inventors: Lei Du, Woonhee Hwang