Patents by Inventor Ulises Olvera-Hernandez

Ulises Olvera-Hernandez 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 PERFORMING A HANDOVER IN AN EVOLVED UNIVERSAL TERRESTRIAL RADIO ACCESS NETWORK
    Publication number: 20150201356
    Abstract: A method and an apparatus for performing a handover in an evolved universal terrestrial radio access network (E-UTRAN) are disclosed. A wireless transmit/receive unit (WTRU) sends a measurement report to a source evolved Node B (eNB), and receives a handover command from the source eNB. The WTRU initiates reception and processing of a primary broadcast channel (P-BCH) at the target cell after receiving the handover command. The WTRU then sends a random access preamble to the target eNB, receives a random access response from the target eNB, and sends a handover complete message to the target eNB. The reception and processing of the P-BCH may be initiated immediately after receiving the handover command or after sending the handover complete message. The WTRU may apply default configuration or source cell configuration in the target cell until a target cell SFN and/or P-BCH information are acquired.
    Type: Application
    Filed: March 21, 2015
    Publication date: July 16, 2015
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Peter S. Wang, Guodong Zhang, Jin Wang, Mohammed Sammour, Shankar Somasundaram, Stephen E. Terry, Ulises Olvera-Hernandez
  • Method and apparatus for controlling the application of selected IP traffic offload and local IP access
    Patent number: 9084093
    Abstract: A method and apparatus are described for controlling the application of Selected Internet Protocol (IP) traffic offload (SIPTO) or Local IP Access (LIPA) services for a wireless transmit/receive unit (WTRU). The SIPTO and LIPA services may be performed over packet data network (PDN) connections. A user of the WTRU may be prompted to accept or reject the usage of the SIPTO or LIPA services. The user of the WTRU may request switching from SIPTO or LIPA services to non-SIPTO or non-LIPA services.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: July 14, 2015
    Assignee: InterDigital Patent Holdings, Inc.
    Inventors: Mahmoud Watfa, Pascal M. Adjakple, Kai Liu, Saad Ahmad, Ulises Olvera-Hernandez, Peter S. Wang
  • BALANCING PAGING LOAD AND TRACKING AREA UPDATES
    Publication number: 20150195761
    Abstract: A method for assigning a tracking area (TA) is disclosed. A mobility state of a wireless transmit/receive unit (WTRU) is determined and the TA is assigned based on the determined mobility state. Also disclosed is a method for accessing a closed subscriber group (CSG) TA. A CSG TA identifier is received at a WTRU and is stored. A CSG TA broadcast is received and the broadcast CSG TA is accessed if an identifier of the broadcast CSG TA matches the stored CSG TA identifier. Also disclosed is a method for changing a mobility state of a WTRU. A current mobility state of the WTRU is determined and a predetermined metric of the WTRU is examined. The predetermined metric is evaluated to determine if the metric has crossed a threshold and the mobility state is changed based on the evaluated metric.
    Type: Application
    Filed: March 17, 2015
    Publication date: July 9, 2015
    Applicant: INTERDIGITAL TECHNOLOGY CORPORATION
    Inventors: Peter S. Wang, Rajat P. Mukherjee, Jin Wang, Shankar Somasundaram, James M. Miller, Ulises Olvera-Hernandez
  • METHOD AND APPARATUS FOR TRANSMITTING EXTENDED SERVICE REQUEST MESSAGES IN A CONGESTED NETWORK
    Publication number: 20150172962
    Abstract: Methods and apparatus for transmitting extended service request messages in a congested network are described. An apparatus includes a timer, a receiver and a processor. The receiver receives a message that includes a timer value. The processor sets the timer based on the timer value, activates the timer, and attempts mobile-originated circuit switched fallback for an emergency call during a period that corresponds to the timer value and during which mobile-originated circuit switched fallback is otherwise prohibited.
    Type: Application
    Filed: February 26, 2015
    Publication date: June 18, 2015
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Mahmoud Watfa, Behrouz Aghili, Ulises Olvera-Hernandez
  • METHOD AND SYSTEM FOR STATION LOCATION BASED NEIGHBOR DETERMINATION AND HANDOVER PROBABILITY ESTIMATION
    Publication number: 20150148045
    Abstract: The present invention is a method and system for station location based neighbor determination and handover probability estimation. A serving access point determines the location and movement measurements of a station (STA). Neighboring access points report coordinates of cell fringes of the neighboring access points. The STA sends a request for system information to the current access point along with current location of the STA. The current access point provides the system information, and the STA utilizes the system information to determine best handover candidate from among neighboring access points and an estimate of the time for handover.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 28, 2015
    Applicant: INTERDIGITAL TECHNOLOGY CORPORATION
    Inventors: Ulises Olvera-Hernandez, Alan G. Carlton
  • METHOD AND APPARATUS FOR COMMUNICATING SHORT MESSAGE SERVICE AND SUPPLEMENTARY SERVICES MESSAGES
    Publication number: 20150148086
    Abstract: Methods and apparatus for enabling short message service (SMS) and supplementary services (SS) in a long term evolution (LTE) network via evolved packet system (EPS) mobility management (EMM) over the LTE control plane are described. In one embodiment, the radio resource control (RRC) connection signaling radio bearer (SRB) is used for SMS and SS transport over the LTE control plane between a wireless transmit/receive unit (WTRU) and a mobility management entity (MME). EMM interfaces and primitives are defined for actions towards SMS and SS entities for enabling SMS and SS services in LTE via the LTE control plane media. Message formats for SMS and SS message transport are also disclosed for sending SMS and SS messages within EMM uplink (UL) non-access stratum (NAS) transport and downlink (DL) NAS transport messages.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 28, 2015
    Applicant: InterDigital Patent Holdings, Inc.
    Inventors: Behrouz Aghili, Peter S. Wang, Ulises Olvera-Hernandez, Shankar Somasundaram
  • Method and apparatus for data security and automatic repeat request implementation in a wireless communication system
    Patent number: 9042301
    Abstract: A method and apparatus for implementing data security and automatic repeat request (ARQ) in a wireless communication system are disclosed. Cipher entities are included in a wireless transmit/receive unit (WTRU) and an access gateway (aGW), and outer ARQ, (or radio link control (RLC)), entities are included in the WTRU and an evolved Node-B (eNode-B). Each cipher entity is located on top of an outer ARQ entity. The cipher entities cipher and decipher a data block by using a generic sequence number (SN) assigned to the data block. The outer ARQ entities may segment the ciphered data block to multiple packet data units (PDUs), may concatenate multiple ciphered data blocks to a PDU, or may generate one PDU from one data block. The outer ARQ entities may segment or re-segment the PDU when a transmission failure occurs.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: May 26, 2015
    Assignee: InterDigital Technology Corporation
    Inventors: Peter Shaomin Wang, Stephen E. Terry, Ulises Olvera-Hernandez
  • Procedures for operating in long term evolution idle mode
    Patent number: 9042883
    Abstract: Various procedures for operating a wireless transmit/receive unit (WTRU) in Long Term Evolution (LTE) Idle mode are described. The procedures include: methods for applying cell reselection priorities in the WTRU, methods for converting a mobility state of the WTRU between operating modes, a method for assigning a mobility state to the WTRU, and a method for determining whether the WTRU may access a closed subscriber group (CSG) cell. Also described are methods and an apparatus on the operations of the LTE mobility state transition mechanism between LTE WTRU Idle mode and Connected mode, a definition of the Pcompensation parameter for LTE, inter-frequency and inter-radio access technology cell reselection priority validity definitions, and coverage extension principles for CSG cells.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: May 26, 2015
    Assignee: InterDigital Patent Holdings, Inc.
    Inventors: Peter S. Wang, Ulises Olvera-Hernandez, Shankar Somasundaram, Rajat P. Mukherjee
  • METHOD AND APPARATUS FOR SELF CONFIGURATION OF LTE E-NODE Bs
    Publication number: 20150139147
    Abstract: The present invention is a procedure for a self configuring eNB/E-UTRAN. The eNB/E-UTRAN interacts with the Enhanced Packet Core (EPC) of the LTE network in order to complete the mutual authentication task between the eNB and the EPC and other operating procedures in the eNB self configuration phase.
    Type: Application
    Filed: January 21, 2015
    Publication date: May 21, 2015
    Inventors: James M. Miller, Peter S. Wang, Ulises Olvera-Hernandez
  • METHOD AND APPARATUS FOR MONITORING AND PROCESSING COMPONENT CARRIERS
    Publication number: 20150124755
    Abstract: A method and apparatus are described which perform bandwidth aggregation by simultaneously monitoring and processing a number of simultaneous, non-contiguous or contiguous component carriers in the downlink. A wireless transmit/receive unit (WTRU) can be configured by an evolved Node-B (eNodeB) to support additional component carriers. A pre-configured additional component carrier may be used. Various methods for activating and deactivating the additional component carrier are also described.
    Type: Application
    Filed: January 7, 2015
    Publication date: May 7, 2015
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Jean-Louis Gauvreau, Paul Marinier, Guodong Zhang, Ulises Olvera-Hernandez
  • Method and apparatus for transmitting service request messages in a congested network
    Patent number: 9001655
    Abstract: A method and apparatus are described for transmitting service request messages in a congested network. In one embodiment, a message including a timer value may be received by a wireless transmit/receive unit (WTRU) having a timer that is set based on the timer value. Once the timer is activated, the WTRU may not attempt to transmit a service request message to a network for mobile originated (MO) services, except for MO emergency calls, until the timer expires. In another embodiment, the timer may be deactivated in response to receiving a page for a mobile terminated (MT) call. The congested network may include a mobility management entity (MME) and a mobile switching center (MSC)/visitor location register (VLR). The MME may apply a congestion control criteria to the WTRU based on whether a timer in the MME is activated or expired.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: April 7, 2015
    Assignee: InterDigital Patent Holdings, Inc.
    Inventors: Mahmoud Watfa, Behrouz Aghili, Ulises Olvera-Hernandez
  • Method and apparatus for canceling a circuit switched fallback
    Patent number: 9001788
    Abstract: A method and apparatus may be used to cancel a communication session. The apparatus may transmit a message that indicates a request to cancel the communication session. The apparatus may continue a Packet Switched (PS) session without performing an intersystem change. If the apparatus receives an intersystem change command, the apparatus may transmit a message to reject the intersystem change command, or it may ignore the intersystem change command.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: April 7, 2015
    Assignee: InterDigital Patent Holdings, Inc.
    Inventors: Mahmoud Watfa, Ulises Olvera-Hernandez, Behrouz Aghili, Shankar Somasundaram
  • ENHANCEMENTS FOR OPERATION OF A TIMER
    Publication number: 20150085827
    Abstract: A method and an apparatus for operating a timer in an integrated circuit (IC) are disclosed herein. The IC includes a timer, a receiver configured to receive a circuit switched (CS) service notification, a transmitter configured to transmit an evolved packet system mobility management extended service request (ESR) message, and a processor configured to start the timer in response to transmitting the ESR and stop the timer in response to reception of a handover command and completion of a CS fallback procedure by the receiver, wherein the handover command directs the IC to handover to another radio access technology (RAT) so that a CS call may be established. The processor may be configured to stop the timer in response to reception of a cell change command and completion of a CS fallback procedure by the receiver, wherein the cell change command directs the IC to perform a cell change procedure.
    Type: Application
    Filed: December 1, 2014
    Publication date: March 26, 2015
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Mahmoud Watfa, Behrouz Aghili, Ulises Olvera-Hernandez
  • Method and apparatus for performing a handover in an evolved universal terrestrial radio access network
    Patent number: 8989143
    Abstract: A method and an apparatus for performing a handover in an evolved universal terrestrial radio access network (E-UTRAN) are disclosed. A wireless transmit/receive unit (WTRU) sends a measurement report to a source evolved Node B (eNB), and receives a handover command from the source eNB. The WTRU initiates reception and processing of a primary broadcast channel (P-BCH) at the target cell after receiving the handover command. The WTRU then sends a random access preamble to the target eNB, receives a random access response from the target eNB, and sends a handover complete message to the target eNB. The reception and processing of the P-BCH may be initiated immediately after receiving the handover command or after sending the handover complete message. The WTRU may apply default configuration or source cell configuration in the target cell until a target cell SFN and/or P-BCH information are acquired.
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: March 24, 2015
    Assignee: Interdigital Patent Holdings, Inc.
    Inventors: Peter S. Wang, Guodong Zhang, Jin Wang, Mohammed Sammour, Shankar Somasundaram, Stephen E. Terry, Ulises Olvera-Hernandez
  • Balancing paging load and tracking area updates
    Patent number: 8989744
    Abstract: A method for assigning a tracking area (TA) is disclosed. A mobility state of a wireless transmit/receive unit (WTRU) is determined and the TA is assigned based on the determined mobility state. Also disclosed is a method for accessing a closed subscriber group (CSG) TA.A CSG TA identifier is received at a WTRU and is stored. A CSG TA broadcast is received and the broadcast CSG TA is accessed if an identifier of the broadcast CSG TA matches the stored CSG TA identifier. Also disclosed is a method for changing a mobility state of a WTRU. A current mobility state of the WTRU is determined and a predetermined metric of the WTRU is examined. The predetermined metric is evaluated to determine if the metric has crossed a threshold and the mobility state is changed based on the evaluated metric.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: March 24, 2015
    Assignee: InterDigital Technology Corporation
    Inventors: Peter S. Wang, Rajat P. Mukherjee, Jin Wang, Shankar Somasundaram, James M. Miller, Ulises Olvera-Hernandez
  • Method and apparatus for communicating short message service and supplementary services messages
    Patent number: 8983508
    Abstract: Methods and apparatus for enabling short message service (SMS) and supplementary services (SS) in a long term evolution (LTE) network via evolved packet system (EPS) mobility management (EMM) over the LTE control plane are described. In one embodiment, the radio resource control (RRC) connection signaling radio bearer (SRB) is used for SMS and SS transport over the LTE control plane between a wireless transmit/receive unit (WTRU) and a mobility management entity (MME). EMM interfaces and primitives are defined for actions towards SMS and SS entities for enabling SMS and SS services in LTE via the LTE control plane media. Message formats for SMS and SS message transport are also disclosed for sending SMS and SS messages within EMM uplink (UL) non-access stratum (NAS) transport and downlink (DL) NAS transport messages.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: March 17, 2015
    Assignee: InterDigital Patent Holdings, Inc.
    Inventors: Behrouz Aghili, Peter S. Wang, Ulises Olvera-Hernandez, Shankar Somasundaram
  • Method and apparatus for self configuration of LTE E-Node Bs
    Patent number: 8977839
    Abstract: The present invention is a procedure for a self configuring eNB/E-UTRAN. The eNB/E-UTRAN interacts with the Enhanced Packet Core (EPC) of the LTE network in order to complete the mutual authentication task between the eNB and the EPC and other operating procedures in the eNB self configuration phase.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: March 10, 2015
    Assignee: InterDigital Technology Corporation
    Inventors: James M. Miller, Peter S. Wang, Ulises Olvera-Hernandez
  • Method and system for station location based neighbor determination and handover probability estimation
    Patent number: 8971293
    Abstract: The present invention is a method and system for station location based neighbor determination and handover probability estimation. A serving access point determines the location and movement measurements of a station (STA). Neighboring access points report coordinates of cell fringes of the neighboring access points. The STA sends a request for system information to the current access point along with current location of the STA. The current access point provides the system information, and the STA utilizes the system information to determine best handover candidate from among neighboring access points and an estimate of the time for handover.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: March 3, 2015
    Assignee: InterDigital Technology Corporation
    Inventors: Ulises Olvera-Hernandez, Alan Gerald Carlton
  • INHIBITION OF ALLOWED CLOSED SUBSCRIBER GROUP LIST
    Publication number: 20150056956
    Abstract: Disclosed herein are techniques for inhibition of allowed closed subscriber group list. According to an aspect, a method may be implemented at a wireless transmit/receive unit (WTRU). The method may include identifying a public land mobile network (PLMN) in which the WTRU is operating. Further, the method may include controlling closed group subscriber (CSG) selection based on the identified PLMN. For example, on a per PLMN basis, the WTRU may display to the user all CSGs or only CSGs in an operator CSG list.
    Type: Application
    Filed: October 27, 2014
    Publication date: February 26, 2015
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Pascal M. Adjakple, Mahmoud Watfa, Virgil Comsa, Ulises Olvera-Hernandez, J. Patrick Tooher
  • METHOD AND APPARATUS FOR NON-VOICE EMERGENCY SERVICES
    Publication number: 20150044985
    Abstract: A method and apparatus for performing non-voice emergency services (NOVES) between a wireless transmit/receive unit (WTRU) and a public safety answering point (PSAP) is disclosed. A NOVES session may be initiated by sending a NOVES initiation request message that includes information relating to the NOVES capabilities of the WTRU, and information relating to an emergency situation. The information relating to the NOVES capabilities of the WTRU may include an indication of whether the WTRU supports a fake power-off mode, or whether the WTRU supports PSAP control. Other methods are disclosed that include a method for a PSAP combining a multiple NOVES sessions, and a method for handing over a NOVES session having multiple media streams.
    Type: Application
    Filed: October 24, 2014
    Publication date: February 12, 2015
    Applicant: INTERDIGITAL PATENT HOLDINGS, INC.
    Inventors: Peter S. WANG, Kai LIU, Pascal M. ADJAKPLE, Saad AHMAD, Ulises OLVERA-HERNANDEZ, Virgil COMSA, Mahmoud WATFA