Patents by Inventor Yu-Hsuan Guo

Yu-Hsuan Guo 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).

  • Method and apparatus for handling buffer status reporting in a wireless communication system
    Patent number: 9413498
    Abstract: A method and apparatus for handling buffer status reporting in a wireless communication system includes providing a first buffer size level table having a first maximum buffer size value, and providing a second buffer size level table having a second maximum buffer size value greater than the first maximum buffer size value. The method includes using the second buffer size level table when carrier aggregation (CA) is configured with more than one UL carrier component (CC) or when more than one UL CC is activated. To indicate whether to use the second buffer size level table or the first buffer size level table, an indication can be used in one of a Radio Resource Control (RRC) message, a Medium Access Control (MAC) Control Element or a corresponding subheader of the MAC Control Element.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: August 9, 2016
    Assignee: INNOVATIVE SONIC CORPORATION
    Inventor: Yu-Hsuan Guo
  • METHOD AND APPARATUS FOR HANDLING UPLINK TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20160219619
    Abstract: Methods and apparatuses are disclosed for handling uplink transmission in a wireless communication system. In one method, a user equipment (UE) connects to at least two base stations including a first base station controlling a first serving cell and a second base station controlling a second serving cell. The method further includes the UE receiving a downlink signaling in the second serving cell. The method also includes the UE transmitting a reference signal in the first serving cell in response to the reception of the downlink signaling.
    Type: Application
    Filed: January 7, 2016
    Publication date: July 28, 2016
    Inventor: Yu-Hsuan Guo
  • METHOD AND APPARATUS FOR HANDLING TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20160219570
    Abstract: A method and apparatus for handling transmission in a wireless communication system. In one embodiment, the method includes initiating a RA procedure, by a UE, in a serving cell. The method also includes deciding whether to transmit a RA Preamble, by the UE, in the serving cell at a specific timing during the RA procedure based on at least one information that includes beam(s) (or beam group(s)) of the serving cell detected by the UE.
    Type: Application
    Filed: January 25, 2016
    Publication date: July 28, 2016
    Inventors: Yu-Hsuan Guo, Ko-Chiang Lin
  • METHOD AND APPARATUS FOR REDUCING SIGNALING OVERHEAD IN A WIRELESS COMMUNICATION NETWORK
    Publication number: 20160192431
    Abstract: A method and apparatus are disclosed for reducing signaling overhead in a wireless communication network. In one embodiment, the method is implemented in a UE. The method includes receiving a first indication from a network node to tell the UE to remember, after the UE enters RRC_IDLE, a first configuration which is currently used while the UE is in RRC_CONNECTED. The method also includes keeping the first configuration upon leaving RRC_CONNECTED. The method further includes releasing the first configuration when the UE connects to a RAT different from where the first indication was received.
    Type: Application
    Filed: March 9, 2016
    Publication date: June 30, 2016
    Inventors: Yu-Hsuan Guo, Meng-Hui Ou
  • Method and apparatus to prevent radio access network (RAN) overload in a wireless communication system
    Patent number: 9380484
    Abstract: A method and apparatus are disclosed to prevent RAN (Radio Access Network) overload. In one embodiment, the method comprises initiating, at a User Equipment (UE), a RRC (Radio Resource Control) connection establishment procedure to establish a RRC connection to a cell. The method also comprises initiating, at the User Equipment (UE), a Random Access procedure due to a transmission of a RRCConnectionRequest message for the RRC connection establishment procedure, wherein an establishment cause in the RRCConnectionRequest message is set to delay tolerant access, and the UE stops the Random Access procedure if the UE considers access to the cell as barred based on barring information for delay tolerant access of the cell.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: June 28, 2016
    Assignee: INNOVATIVE SONIC CORPORATION
    Inventors: Meng-Hui Ou, Yu-Hsuan Guo
  • METHOD AND APPARATUS OF SMALL CELL ENHANCEMENT IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20160174236
    Abstract: A method and apparatus are disclosed to provide small cell enhancement in a wireless communication system. The method includes connecting to more than one serving cell. The method further includes triggering a Buffer Status Report (BSR) or a Power Headroom Report (PHR). The method further includes transmitting a Medium Access Control (MAC) control element corresponding to the BSR or the PHR in a serving cell, wherein the serving cell depends on a trigger of the BSR or the PHR.
    Type: Application
    Filed: February 3, 2016
    Publication date: June 16, 2016
    Inventor: Yu-Hsuan Guo
  • Method and apparatus to indicate PPI (power preference indication) in a wireless communication system
    Patent number: 9344964
    Abstract: A method and apparatus are disclosed to indicate PPI in a wireless communication network. The method includes enabling a PPI feature. The method further includes taking a last reported PPI into account when the UE wants to indicate a current PPI for a first time on a current serving cell but not a first time since a full configuration was performed. The method further includes ignoring or not taking into account the last reported PPI when the UE wants to indicate the current PPI for a first time since a full configuration was performed.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: May 17, 2016
    Assignee: INNOVATIVE SONIC CORPORATION
    Inventors: Yu-Hsuan Guo, Meng-Hui Ou
  • METHOD AND APPARATUS FOR IMPROVING RESOURCE CONTROL IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20160112996
    Abstract: Methods and apparatuses are disclosed for improving resource control and device to device (D2D) transmission in a wireless communication system. In one method, a device receives a configuration including at least a first contention-based resource pool and a second contention-based resource pool, wherein the first contention-based resource pool includes resources for multiplexing D2D transmission(s) and Downlink (DL) transmission(s) in power domain, and the second contention-based resource pool does not include the resources for multiplexing D2D transmission(s) and DL transmission(s) in power domain. The device also receives at least one threshold value related to a power. The device then selects the first contention-based resource pool or the second contention-based resource pool for D2D transmission based on at least the threshold value.
    Type: Application
    Filed: October 13, 2015
    Publication date: April 21, 2016
    Inventors: Meng-Hui Ou, Yu-Hsuan Guo, Ming-Che Li
  • Method and apparatus for reducing signaling overhead in a wireless communication network
    Patent number: 9320077
    Abstract: A method and apparatus are disclosed for reducing signaling overhead in a wireless communication network. In one embodiment, the method is implemented in a network node. The method includes transmitting a first indication to a UE (User Equipment) to tell the UE to remember a configuration which is currently used after the UE enters RRC_IDLE. In an alternative embodiment, the method is implemented in a UE. The method includes (i) receiving a first indication from the network node to tell the UE to remember a configuration which is currently used after the UE enters RRC_IDLE, and (ii) retaining and not releasing or discarding the configuration upon leaving RRC_CONNECTED.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: April 19, 2016
    Assignee: INNOVATIVE SONIC CORPORATION
    Inventors: Yu-Hsuan Guo, Meng-Hui Ou
  • Method and apparatus of small cell enhancement in a wireless communication system
    Patent number: 9295077
    Abstract: A method and apparatus are disclosed to provide small cell enhancement in a wireless communication system. The method includes connecting to more than one serving cell. The method further includes triggering a Buffer Status Report (BSR) or a Power Headroom Report (PHR). The method further includes transmitting a Medium Access Control (MAC) control element corresponding to the BSR or the PHR in a serving cell, wherein the serving cell depends on a trigger of the BSR or the PHR.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: March 22, 2016
    Assignee: INNOVATIVE SONIC CORPORATION
    Inventor: Yu-Hsuan Guo
  • METHOD AND APPARATUS FOR IMPROVING DOWNLINK CONTROL INFORMATION (DCI) IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20160073382
    Abstract: A method and apparatus are disclosed for improving downlink control information in a wireless communication system. In one embodiment, the method includes receiving a first control signaling indicating a first transmission to a first UE, wherein the first control signaling is identified by a first identification used by the first UE. The method also includes receiving a second control signaling indicating a second transmission to a second UE, wherein the second control signaling is identified by a second identification used by the second UE. The method further includes decoding the first transmission based on information provided by at least the first control signaling and the second control signaling, wherein radio resource used by the first transmission is indicated by the second control signaling but is not indicated by the first control signaling.
    Type: Application
    Filed: August 18, 2015
    Publication date: March 10, 2016
    Inventors: Ming-Che Li, Yu-Hsuan Guo, Wei-Che Chang
  • Method and apparatus for power headroom reporting
    Patent number: 9270430
    Abstract: A method for performing Power Headroom Reporting (PHR) in a user equipment (UE) of a wireless communication system is disclosed. The wireless communication system supports Carrier Aggregation (CA), which enables the UE to perform transmission through multiple carriers. The method includes steps of configuring a plurality of uplink carriers, and generating at least one PHR values, each corresponding to one of the plurality of uplink carriers.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: February 23, 2016
    Assignee: INNOVATIVE SONIC LIMITED
    Inventors: Yu-Hsuan Guo, Ko-Chiang Lin
  • METHOD AND APPARATUS FOR COOPERATION BETWEEN USER EQUIPMENT (UE) AND SERVING CELL IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20150382398
    Abstract: A method and apparatus are disclosed for cooperation between UE and serving cell in a wireless communication system. In one embodiment, the method includes the UE receiving an indication of deactivating a cell via broadcast or multicast. The method also includes the UE deactivating the cell based on the indication.
    Type: Application
    Filed: June 26, 2015
    Publication date: December 31, 2015
    Inventor: Yu-Hsuan Guo
  • Method and apparatus for improving RRC connection procedure
    Patent number: 9215742
    Abstract: The present invention provides a method for improving a Radio Resource Control (RRC) Connection procedure in user equipment (UE) of a wireless communication system. The method includes steps of performing an RRC Connection procedure, and resetting or re-establishing a lower layer protocol entity for Signaling Radio Bearers (SRBs) when a cell reselection occurs.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: December 15, 2015
    Assignee: INNOVATIVE SONIC LIMITED
    Inventors: Meng-Hui Ou, Yu-Hsuan Guo
  • Method and apparatus for improving RRC connection procedure
    Patent number: 9173242
    Abstract: The present invention provides a method for improving a Radio Resource Control (RRC) Connection procedure in user equipment (UE) of a wireless communication system. The method includes steps of performing an RRC Connection procedure, and resetting or re-establishing a lower layer protocol entity for Signaling Radio Bearers (SRBs) when a cell reselection occurs.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: October 27, 2015
    Assignee: INNOVATIVE SONIC LIMIITED
    Inventors: Meng-Hui Ou, Yu-Hsuan Guo
  • METHOD AND APPARATUS FOR REPORTING BUFFER STATUS FOR DEVICE TO DEVICE COMMUNICATION IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20150296407
    Abstract: Methods and apparatuses for improving device to device (D2D) communication are disclosed herein. One method includes a user equipment (UE) triggering a buffer status report (BSR) upon configuration or setup of radio resource allocation mode 1 for D2D communication while the UE has data available for transmission for D2D communication. The method further includes the UE transmitting a Medium Access Control (MAC) Control Element corresponding to the BSR.
    Type: Application
    Filed: March 20, 2015
    Publication date: October 15, 2015
    Inventor: Yu-Hsuan Guo
  • METHOD AND APPARATUS FOR PROVIDING PROXIMITY INFORMATION IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20150289127
    Abstract: A method and apparatus for a providing proximity information are disclosed. The method includes a first UE transmitting a report that includes at least the proximity information and a location information of the first UE to a network, wherein the proximity information is at least about the first UE discovering a second UE.
    Type: Application
    Filed: March 31, 2015
    Publication date: October 8, 2015
    Inventors: Meng-Hui Ou, Yu-Hsuan Guo
  • METHOD AND APPARATUS FOR IMPLEMENTING A DEVICE-TO-DEVICE (D2D) SERVICE IN A WIRELESS COMMUNICATION SYSTEM
    Publication number: 20150264733
    Abstract: A method and apparatus of for implementing a D2D service are disclosed. The method includes the UE receiving an indication to prohibit a transmission of a RRC connection request message for requesting a D2D dedicated resource for transmission. The method further includes the UE deciding whether to prohibit the transmission of the RRC connection request message at least based on the indication.
    Type: Application
    Filed: March 6, 2015
    Publication date: September 17, 2015
    Inventors: Yu-Hsuan Guo, Meng-Hui Ou
  • Method and apparatus for improving frequency prioritization in a wireless communication network
    Patent number: 9100931
    Abstract: A method and apparatus are disclosed for improving frequency prioritization in a wireless communication network. The method includes the UE setting a priority on whether to prioritize MBMS reception over unicast. The method also includes the UE deciding whether to follow a redirection information or a de-prioritization information based on the UE's setting of prioritization of MBMS reception over unicast.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: August 4, 2015
    Assignee: INNOVATIVE SONIC CORPORATION
    Inventors: Yu-Hsuan Guo, Meng-Hui Ou
  • Method and apparatus for channel measurement reports in a wireless communication system
    Patent number: 9049618
    Abstract: A method and apparatus for aperiodic CQI/PMI/RI reports in a wireless communication system is disclosed. The wireless communication system supports carrier aggregation that enables a user equipment of the wireless communication system to perform transmission and/or reception using multiple component carriers. The method includes reporting CQI/PMI/RI for multiple component carriers. When the user equipment needs to report CQI/PMI/RI for a deactivated component carriers, a special value may be used to signal the condition. Alternatively, the user equipment indicates with the reported CQI/PMI/RI which component carriers are measured.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: June 2, 2015
    Assignee: INNOVATIVE SONIC CORPORATION
    Inventors: Yu-Hsuan Guo, Ko-Chiang Lin