Patents Assigned to Innovative Sonic Limited
  • Method and apparatus for handling reset in a wireless communications system
    Patent number: 8081648
    Abstract: A method for handing reset in a first communications device of a wireless communications system is disclosed. The first communications device includes a first transmitter and a receiver. The method includes receiving a packet from a second communications device by the receiver, triggering a reset procedure by the receiver when a protocol error is detected by the receiver according to the packet, and resetting the receiver and not resetting the first transmitter after the reset procedure is triggered.
    Type: Grant
    Filed: January 9, 2008
    Date of Patent: December 20, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Sam Shiaw-Shiang Jiang
  • Method and apparatus of continuous packet connectivity enhancement in a wireless communications system
    Patent number: 8081618
    Abstract: In order to improve continuous packet connectivity (CPC), the present invention provides a method of improving CPC for a user equipment (UE) in a wireless communications system. The method includes receiving the HS-PDSCHs indicated by a control information and decoding the data on the HS-PDSCHs according to the control information when detecting an HS-SCCH carrying the control information intended for the UE, and at the same time, receiving the HS-PDSCHs indicated by a specific control information and decoding the data on the HS-PDSCHs according to the specific control information when a specific operation is enabled.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: December 20, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Li-Chih Tseng
  • Method and related apparatus for handling packet discard in a wireless communications system
    Patent number: 8073012
    Abstract: A method for handling packet discard in a transmitter of a wireless communications system includes activating a “use of a special value of a header extension field” mode, discarding a plurality of service data units, wherein the last service data unit of the plurality of service data units ends at an end of a first protocol data unit using the special value in a header extension field, and setting a value of a field to be a sequence number of a second protocol data unit, wherein the field is utilized for indicating a receiver to discard all not yet successfully received service data units that have segments with sequence number being less than the value of the field, and the second protocol data unit is next to the first protocol data unit.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: December 6, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Sam Shiaw-Shiang Jiang
  • Method and apparatus for de-activating hybrid automatic repeat request process in a wireless communications system
    Patent number: 8073450
    Abstract: A method for handling de-activation of a first Hybrid Automatic Repeat Request (HARQ) process used in a mobile of a wireless communications system includes receiving a Primary Absolute Grant (AG) message indicating to de-activate the first HARQ process, de-activating the first HARQ process, and activating all HARQ processes and using a grant provided by a Secondary AG message as a serving grant if all the HARQ processes are de-activated and a secondary grant function is configured.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: December 6, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Sam Shiaw-Shiang Jiang
  • Method and apparatus of delivering protocol data units for a user equipment in a wireless communications system
    Patent number: 8064460
    Abstract: A method of delivering packet data units (PDUs) for a user equipment in a wireless communications system includes receiving a reordering PDU having at least one upper layer PDU from a protocol entity, determining whether the at least one upper layer PDU are segmented for reassembling with a previously stored segment of a upper layer PDU according to a segmentation indication message corresponding to the reordering PDU, and delivering the at least one PDU to an upper layer protocol entity and discarding the previously stored segment when the at least one upper layer PDU are all not segmented PDUs.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: November 22, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Li-Chih Tseng
  • Method and apparatus for managing downlink discontinuous reception operation in a wireless communications system
    Patent number: 8060122
    Abstract: A method for managing downlink discontinuous reception associated with paging for a user equipment of a wireless communications system is provided in order to avoid system malfunction due to inappropriate use of configuration. The method includes initiating a radio resource control, hereinafter called RRC, connection establishment procedure to request a network terminal for an RRC connection, receiving a request accepting message including a first information element for indicating the UE an assigned RRC state to be entered and a second information element for providing configuration corresponding to the downlink discontinuous reception, and ignoring the second information element when the assigned RRC state is a state for allocation of dedicated radio resources.
    Type: Grant
    Filed: May 21, 2008
    Date of Patent: November 15, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Li-Chih Tseng
  • Method and apparatus for handling control PDUS during re-establishing receiving sides in a wireless communications system
    Patent number: 8054777
    Abstract: A wireless communications system has a communications device, which has an RLC entity having a transmitting side and a receiving side. When re-establishing the receiving side, to handle control PDUs, only the receiving side in the RLC entity of the communications device is re-established, a first control PDU corresponding to the receiving side is discarded, and a second control PDU corresponding to the transmitting side is retained and not discarded.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: November 8, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Sam Shiaw-Shiang Jiang
  • Method of handling security key change and related communication device
    Patent number: 8045715
    Abstract: A method of handling security key change for a user equipment in a wireless communication system includes applying a radio resource control procedure to activate key change, where the radio resource control procedure covers two conditions where the key change is accompanied with an authentication and key agreement run and without an authentication and key agreement run.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: October 25, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Richard Lee-Chee Kuo
  • Method of deactivating high-speed downlink operation in CELLFACH state for a wireless communications system and related apparatus
    Patent number: 8045518
    Abstract: To avoid degrading the packet transmission performance, a method for improving a determining procedure of stopping a high speed downlink operation corresponding to a CELL_FACH state for a user equipment, also called UE, in the CELL_FACH state in a wireless communications system is provided. The method includes changing a setting of a dedicated variable corresponding to a dedicated HS-DSCH radio network transaction identifier, hereinafter called H-RNTI, from a use state to a close state; and determining that the setting of the dedicated variable and a setting of a common variable corresponding to a common H-RNTI are valid configuration if the setting of the common variable is a close state.
    Type: Grant
    Filed: March 18, 2008
    Date of Patent: October 25, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Richard Lee-Chee Kuo
  • Method for improving high-speed downlink operation in CELLFACH state for a wireless communications system and related apparatus
    Patent number: 8036169
    Abstract: A method of improving a high-speed downlink operation in CELL_FACH state for a network terminal of a wireless communications system includes using a first function but not using a second function when a user equipment, hereinafter called UE, initiates a cell update procedure. The network terminal wirelessly communicates with the UE, and the network terminal and the UE both support the high-speed downlink operation in CELL_FACH state. The first function is used for allocating a dedicated HS-DSCH radio network transaction identifier (H-RNTI) to the UE, so as to manage the UE to perform the high-speed downlink operation in CELL_FACH based on the dedicated H-RNTI. The second function is used for not allocating the dedicated H-RNTI to the UE.
    Type: Grant
    Filed: February 11, 2008
    Date of Patent: October 11, 2011
    Assignee: Innovative Sonic Limited
    Inventors: Richard Lee-Chee Kuo, Li-Chih Tseng
  • Method of enhancing continuous packet connectivity in a wireless communications system and related apparatus
    Patent number: 8031738
    Abstract: In order to avoid system malfunction, the present invention provides a method of enhancing continuous packet connectivity, known as CPC, for a user equipment, known as UE, in a wireless communications system. The method includes the following steps. A control channel less operation function is activated according to a status variable. The status variable is re-determined when a radio link failure occurs, when a radio link control, known as RLC, unrecoverable error occurs or when transmission of UE CAPABILITY INFORMATION fails, so as to deactivate the control channel less operation function. Preferably, the status variable is CPC_HS_SCCH_LESS_STATUS variable, and the control channel less operation function is HS-SCCH less operation, where HS-SCCH is an abbreviation of “Shared Control Channel for HS-DSCH”.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: October 4, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Richard Lee-Chee Kuo
  • Method and apparatus of selecting operating frequency for user equipment in a wireless communications system
    Patent number: 8031735
    Abstract: In order to prevent from being incapable of receiving Multimedia Broadcast Multicast Service, called MBMS hereinafter, service when a user equipment (UE) has a connection for signaling only, the present invention provides a method of selecting an MBMS operating frequency for the UE in a wireless communications system. The method includes determining a radio bearer state of the UE, and switching a current operating frequency of the UE to a preferred frequency corresponding to an MBMS service prioritized by upper layers when the radio bearer state of the UE is in signaling transmission state.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: October 4, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Richard Lee-Chee Kuo
  • Method of transmitting paging information for a wireless communications system and related apparatus
    Patent number: 8032158
    Abstract: A method of transmitting paging information for a network terminal of a wireless communications system including initiating a dedicated paging procedure to transmit dedicated paging information to a user equipment using a high speed downlink operation in a CELL_PCH state. The high speed downlink operation includes reception of a high speed downlink shared channel.
    Type: Grant
    Filed: May 5, 2008
    Date of Patent: October 4, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Richard Lee-Chee Kuo
  • Method and related apparatus for handling re-establishment of radio link control entity in a wireless communications system
    Patent number: 8031689
    Abstract: A method for handling re-establishment of a radio link control entity having a transmitting side and a receiving side in a wireless communications system includes storing a plurality of control protocol data units, and reserving a poll super field in the plurality of control protocol data units when only the receiving side is re-established.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: October 4, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Yu-Hsuan Guo
  • Method and apparatus for performing buffer status reporting
    Patent number: 8031658
    Abstract: The present invention provides a method for performing Buffer Status Reporting (BSR) in a user equipment (UE) of a wireless communication system. The method includes steps of forming a Medium Access Control (MAC) Packet Data Unit (PDU), the MAC PDU including padding bits with a bit amount larger than the size of a BSR MAC control element, triggering a padding BSR procedure, reporting a short BSR MAC control element when the padding bits of the MAC PDU cannot accommodate a long BSR MAC control element, and indicating the short BSR MAC control element triggered by the padding BSR procedure through a sub-header corresponding to the BSR MAC control element in the MAC PDU.
    Type: Grant
    Filed: April 16, 2009
    Date of Patent: October 4, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Li-Chih Tseng
  • Method and apparatus for setting configurations of uplink transport channel in a wireless communications system
    Patent number: 8031663
    Abstract: A method for a user equipment setting configurations of an uplink transport channel in a wireless communications system includes receiving an uplink transport channel message, and setting configurations of an enhanced dedicated transport channel (E-DCH) according to the uplink transport channel message when an uplink transport channel of the user equipment is set to be E-DCH.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: October 4, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Li-Chih Tseng
  • Enhanced polling method for preventing deadlock in a wireless communications system
    Patent number: 7974259
    Abstract: A method of polling in a wireless communications system includes prohibiting polling within a predetermined period and triggering a poll function while polling is prohibited. After the predetermined period has expired the method determines that there are no protocol data units (PDUs) scheduled for transmission or re-transmission and that the poll function was triggered by a “Every Poll_SDU SDU” trigger, and selects a PDU to schedule for re-transmission to fulfill the poll function.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: July 5, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Sam Shiaw-Shiang Jiang
  • Method and apparatus for performing radio bearer mapping in a wireless communications system
    Patent number: 7961655
    Abstract: A method for performing radio bearer mapping in an user equipment of a wireless communications system includes setting a plurality of multiplexing options of a frequency division duplex radio bearer, called FDD RB hereinafter, when the user equipment operates in a Cell Dedicated Channel state, each of the plurality of multiplexing options corresponding to a multiplexing mode, determining whether an RB of the user equipment has one of the plurality of multiplexing options, and using a multiplexing mode corresponding to a multiplexing option of the plurality of multiplexing options for performing RB mapping when the RB has the multiplexing option.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: June 14, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Yu-Hsuan Guo
  • Method and apparatus for improving MIMO operation in a wireless communications system
    Patent number: 7957282
    Abstract: In order to improve Multi-input Multi-Output (MIMO) operation, the present invention provides a method of improving MIMO operation for a user equipment (UE) in a wireless communications system. The method includes receiving a first value according to a number of hybrid automatic repeat request (HARQ) processes in a HARQ procedure for the UE, receiving a first HARQ process identifier corresponding to a primary transport block, and assigning a second HARQ process identifier corresponding to a secondary transport block to be equal to (H+(N/2)) mod (N), wherein H represents the first HARQ process identifier, mod represents modulus arithmetic, and N represents the first value.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: June 7, 2011
    Assignee: Innovative Sonic Limited
    Inventors: Li-Chih Tseng, Yu-Hsuan Guo
  • Method and related apparatus for improving MIMO procedure in a wireless communications system
    Patent number: 7944982
    Abstract: In order to avoid malfunction of lower layers of a user equipment, known as UE, in a wireless communications system, the present invention provides a method of improving a multi-input multi-output, known as MIMO, procedure. The method includes the following steps. A MIMO operation is activated, and the MIMO operation is then de-activated when the UE initiates a cell update procedure.
    Type: Grant
    Filed: January 4, 2008
    Date of Patent: May 17, 2011
    Assignee: Innovative Sonic Limited
    Inventor: Richard Lee-Chee Kuo