Patents by Inventor Ko-Chiang Lin

Ko-Chiang Lin 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).

  • Publication number: 20140204868
    Abstract: Methods and apparatuses are disclosed to improve a new carrier type in a wireless communication system. The method includes having, in at least one subframe, more than one number of available resource elements among Physical Resource Blocks (PRBs) in a cell. The method further includes receiving an Enhanced Physical Downlink Control Channel (ePDCCH) on a number of PRB pairs, wherein the PRB pairs have the same number of available resource elements.
    Type: Application
    Filed: January 22, 2014
    Publication date: July 24, 2014
    Applicant: INNOVATIVE SONIC CORPORATION
    Inventor: Ko-Chiang Lin
  • Publication number: 20140204869
    Abstract: Methods and apparatuses are disclosed to measure channel state information in a wireless communication system. The method includes selecting a subframe to be a reference resource for a channel state information (CSI) report on a Secondary Cell (SCell), in which the subframe is not a downlink (DL) subframe or a special subframe whose downlink portion is longer than a threshold on a Primary Cell (PCell). The method further includes executing a handling.
    Type: Application
    Filed: January 22, 2014
    Publication date: July 24, 2014
    Applicant: INNOVATIVE SONIC CORPORATION
    Inventor: Ko-Chiang Lin
  • Patent number: 8780878
    Abstract: A method and apparatus are disclosed for aperiodic SRS improvement. In one embodiment, the method comprises configuring a UE (User Equipment) with aperiodic SRS. The method also comprises transmitting a PUSCH (Physical Uplink Shared Channel) on a last SC-FDMA (Single Carrier-Frequency Division Multiple Access) symbol in a UE-specific aperiodic SRS subframe if a Msg3 in the subframe is transmitted on the PUSCH. Furthermore, the method comprises not transmitting a PUSCH on a last SC-FDMA symbol in a UE-specific aperiodic SRS subframe if a Msg3 in the subframe is not transmitted on the PUSCH.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: July 15, 2014
    Assignee: Innovative Sonic Corporation
    Inventor: Ko-Chiang Lin
  • Patent number: 8625558
    Abstract: A method and apparatus are disclosed determine a CFI value in a wireless communication system. In one embodiment, the method comprises configuring system devices, such as a UE or an eNB, with a plurality of component carriers for carrier aggregation. Furthermore, the method comprises receiving PDSCH on a first component carrier. The method also comprises transmitting a corresponding PDCCH on a second component carrier. In addition, the method comprises using a RRC signal to configure a CFI with an initial configured value. The method further comprises setting the CFI so that the CFI could be used to determine a starting point of the PDSCH.
    Type: Grant
    Filed: May 9, 2011
    Date of Patent: January 7, 2014
    Assignee: Innovative Sonic Corporation
    Inventor: Ko-Chiang Lin
  • Patent number: 8483158
    Abstract: A method for allocating uplink resource in a network terminal of a wireless communication system includes informing a user equipment (UE) about resource allocation via a resource allocation field in a UL grant message, to indicate the UE to use M clusters out of N radio units to perform uplink transmission, wherein each of the M clusters includes at least one consecutive radio units, and the message indicates a starting location and an ending location of each of the M clusters.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: July 9, 2013
    Assignee: Innovative Sonic Corporation
    Inventor: Ko-Chiang Lin
  • Patent number: 8326292
    Abstract: A method for determining a dedicate searching space (DSS) in a physical downlink control channel (PDCCH) for a user equipment (UE) of a wireless communication system is disclosed. The method includes steps of indicating the UE to monitor a semi-persistent scheduling cell radio network temporary identifier (SPS C-RNTI) in the PDCCH for receiving a semi-persistent scheduling grant, and determining the DSS utilized for monitoring the SPS C-RNTI according to a cell radio network temporary identifier (C-RNTI) of the UE.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: December 4, 2012
    Assignee: Innovative Sonic Limited
    Inventor: Ko-Chiang Lin
  • Publication number: 20120281647
    Abstract: A method and apparatus are disclosed to improve machine type communication in a wireless communication system. In one embodiment, the method comprises receiving, at a UE (User Equipment), a TB (transport block) broadcasted from an eNB (evolved Node B).
    Type: Application
    Filed: May 3, 2012
    Publication date: November 8, 2012
    Applicant: INNOVATIVE SONIC CORPORATION
    Inventors: Richard Lee-Chee Kuo, Ko-Chiang Lin
  • Publication number: 20120281600
    Abstract: A method and apparatus are disclosed for performing DRX (Discontinuous) operation. In one embodiment, the method comprises (i) configuring a plurality of cells for carrier aggregation, (ii) configuring the plurality of cells with a plurality of TDD (Time Division Multiplex) UL-DL (Uplink-Downlink) configurations, (iii) configuring the plurality of cells for DRX operation, (iv) configuring a set of DRX timers for the plurality of cells, and (v) running the set of DRX timers for the plurality of cells.
    Type: Application
    Filed: May 4, 2012
    Publication date: November 8, 2012
    Applicant: INNOVATIVE SONIC CORPORATION
    Inventors: Li-Chih Tseng, Ko-Chiang Lin
  • Publication number: 20120281601
    Abstract: A method and apparatus are disclosed to improve inter-band carrier aggregation (CA) in a UE (User Equipment) in TDD (Time Division Duplex) mode. In one embodiment, the method includes connecting the UE with a PCell (Primary Serving Cell). The method further includes configuring the UE with at least one SCell (Secondary Serving Cell), among which at least one SCell is deactivated, wherein TDD UL-DL (Uplink-Downlink) configurations of the PCell and the at least one SCell may be different. The method also includes taking a TDD UL-DL configuration of an activated serving cell into consideration for defining consecutive PDCCH (Physical Downlink Control Channel) subframes of a drx-InactivityTimer, and not taking a TDD UL-DL configuration of a deactivated serving cell into consideration.
    Type: Application
    Filed: May 22, 2012
    Publication date: November 8, 2012
    Applicant: INNOVATIVE SONIC CORPORATION
    Inventors: Richard Lee-Chee Kuo, Li-Chih Tseng, Ko-Chiang Lin
  • Publication number: 20120243505
    Abstract: A method and apparatus are disclosed for aperiodic SRS improvement. In one embodiment, the method comprises configuring a UE (User Equipment) with aperiodic SRS. The method also comprises transmitting a PUSCH (Physical Uplink Shared Channel) on a last SC-FDMA (Single Carrier-Frequency Division Multiple Access) symbol in a UE-specific aperiodic SRS subframe if a Msg3 in the subframe is transmitted on the PUSCH. Furthermore, the method comprises not transmitting a PUSCH on a last SC-FDMA symbol in a UE-specific aperiodic SRS subframe if a Msg3 in the subframe is not transmitted on the PUSCH.
    Type: Application
    Filed: March 21, 2012
    Publication date: September 27, 2012
    Applicant: INNOVATIVE SONIC CORPORATION
    Inventor: Ko-Chiang Lin
  • Publication number: 20110273994
    Abstract: A method and apparatus are disclosed determine a CFI value in a wireless communication system. In one embodiment, the method comprises configuring system devices, such as a UE or an eNB, with a plurality of component carriers for carrier aggregation. Furthermore, the method comprises receiving PDSCH on a first component carrier. The method also comprises transmitting a corresponding PDCCH on a second component carrier. In addition, the method comprises using a RRC signal to configure a CFI with an initial configured value. The method further comprises setting the CFI so that the CFI could be used to determine a starting point of the PDSCH.
    Type: Application
    Filed: May 9, 2011
    Publication date: November 10, 2011
    Inventor: Ko-Chiang Lin
  • Publication number: 20110143749
    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 CQUPMURI for multiple component carriers. When the user equipment needs to report CQUPMURI for a deactivated component carriers, a special value may be used to signal the condition. Alternatively, the user equipment indicates with the reported CQUPMI/RI which component carriers are measured.
    Type: Application
    Filed: December 16, 2010
    Publication date: June 16, 2011
    Inventors: Yu-Hsuan Guo, Ko-Chiang Lin
  • Publication number: 20110128928
    Abstract: A method and apparatus are disclosed to implement Contention Based (CB) transmission in a wireless communication system. The method includes addressing a Physical Downlink Control Channel (PDCCH) to a Contention Based Radio Network Temporary Identifier (CB-RNTI) to identify a plurality of CB uplink (UL) grants on the PDCCH. The method further includes assigning a number of resource blocks (RB) to each CB uplink grant. The method also includes selecting one of the CB uplink grants to transmit a Physical Uplink Shared Channel (PUSCH).
    Type: Application
    Filed: November 30, 2010
    Publication date: June 2, 2011
    Inventors: Ko-Chiang Lin, Yu-Hsuan Guo, Meng-Hui Ou, Li-Chih Tseng
  • Publication number: 20100329171
    Abstract: A method for handling Multimedia Broadcast Multicast Service Single Frequency Network (MBSFN) subframe in a network terminal of a wireless communication system includes configuring a plurality of MBSFN subframes in a cell, and scheduling downlink unicast transmission in an unused MBSFN subframe of the plurality of MBSFN subframes for a user equipment which is not receiving any MBMS service.
    Type: Application
    Filed: June 29, 2010
    Publication date: December 30, 2010
    Inventors: Richard Lee-Chee Kuo, Ko-Chiang Lin
  • Publication number: 20100316011
    Abstract: A method for allocating uplink resource in a network terminal of a wireless communication system includes informing a user equipment (UE) about resource allocation via a resource allocation field in a UL grant message, to indicate the UE to use M clusters out of N radio units to perform uplink transmission, wherein each of the M clusters includes at least one consecutive radio units, and the message indicates a starting location and an ending location of each of the M clusters.
    Type: Application
    Filed: June 10, 2010
    Publication date: December 16, 2010
    Inventor: Ko-Chiang Lin
  • Publication number: 20100238863
    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: Application
    Filed: March 23, 2010
    Publication date: September 23, 2010
    Inventors: Yu-Hsuan Guo, Ko-Chiang Lin
  • Publication number: 20100165939
    Abstract: A method for improving ACK/NACK bundling in a user equipment (UE) of a wireless communication system is disclosed. The method includes steps of receiving an uplink grant allocated to an uplink sub-frame, the sub-frame being utilized for transmitting an HARQ feedback corresponding to a plurality of downlink sub-frame, a TDD UL/DL configuration of the UE being set to 0; and determining whether the UE misses any downlink assignment is missing according to a downlink assignment index (DAI) carried in a latest received Physical Downlink Control Channel (PDCCH) for downlink assignment.
    Type: Application
    Filed: December 24, 2009
    Publication date: July 1, 2010
    Inventor: Ko-Chiang Lin
  • Publication number: 20090298493
    Abstract: A method for determining a dedicate searching space (DSS) in a physical downlink control channel (PDCCH) for a user equipment (UE) of a wireless communication system is disclosed. The method includes steps of indicating the UE to monitor a semi-persistent scheduling cell radio network temporary identifier (SPS C-RNTI) in the PDCCH for receiving a semi-persistent scheduling grant, and determining the DSS utilized for monitoring the SPS C-RNTI according to a cell radio network temporary identifier (C-RNTI) of the UE.
    Type: Application
    Filed: May 26, 2009
    Publication date: December 3, 2009
    Inventor: Ko-Chiang Lin