Patents by Inventor Masakazu Shirota

Masakazu Shirota 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: 11382112
    Abstract: Methods, systems, and devices for wireless communications are described that provide for a wireless device with dual subscriptions to prioritize a subscriber. A user equipment (UE) may configure a first channel for a first subscription and a second channel for a second subscription. The UE may determine one or more slots for the first subscription for communicating in a first direction and for the second subscription for communicating in a second direction, where the first and second directions are different. The UE may prioritize communications of the first subscription according to the determined slots. The prioritizing may be based on the direction, whether the communications are scheduled or configured, or whether the slot includes a monitoring occasion. The UE may communicate in the first direction according to the first subscription.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: July 5, 2022
    Assignee: QUALCOMM Incorporated
    Inventors: Kazuki Takeda, Marco Papaleo, Masakazu Shirota
  • Publication number: 20220039110
    Abstract: Methods, systems, and devices for wireless communications are described that provide for a wireless device with dual subscriptions to prioritize a subscriber. A user equipment (UE) may configure a first channel for a first subscription and a second channel for a second subscription. The UE may determine one or more slots for the first subscription for communicating in a first direction and for the second subscription for communicating in a second direction, where the first and second directions are different. The UE may prioritize communications of the first subscription according to the determined slots. The prioritizing may be based on the direction, whether the communications are scheduled or configured, or whether the slot includes a monitoring occasion. The UE may communicate in the first direction according to the first subscription.
    Type: Application
    Filed: August 3, 2020
    Publication date: February 3, 2022
    Inventors: Kazuki Takeda, Marco Papaleo, Masakazu Shirota
  • Patent number: 10194303
    Abstract: A method, an apparatus, and a computer program product are provided. The apparatus may be a UE configured to receive from a base station access parameters corresponding to respective types of access controls for different types of data services, receive a TFT established at a core network based on mapping a packet filter to access control information for each type of access control, receive a data packet from an application, match the data packet to the packet filter to determine access control information corresponding to the data packet, and establish communication for the data packet based on access parameters for the determined access control information. Alternatively, the apparatus may be policy server configured to receive a request for traffic control regarding data being communicated to an application server, determine a policy update for the application server based on the request, and transmit the policy update to a UE.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: January 29, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Jun Wang, George Cherian, Masakazu Shirota, Suli Zhao, Aleksandar Gogic, Giridhar Dhati Mandyam, Haris Zisimopoulos, Roozbeh Atarius, Charles Nung Lo
  • Patent number: 9717024
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided in which user equipment performs a circuit-switched fallback procedure to connect to a CDMA2000 network. The CDMA2000 network may be selected by the UE or by the network. A plurality of PLMN IDs may be maintained, where the IDs relate to a network that includes an LTE RAN. Each PLMN ID may be associated with a CDMA2000 network sharing the LTE RAN. A CDMA2000 network may be selected for circuit-switched fallback of a user equipment operating in the LTE RAN. The user equipment may be configured to perform a circuit-switched fallback procedure on the selected CDMA2000 network. The CDMA2000 network may be selected by a mobility management entity responsive to a PLMN selection procedure. The PLMN selection procedure may be performed when the UE reports multiple-operator capability.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: July 25, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Masakazu Shirota, Xipeng Zhu, Arvind Swaminathan, Jun Wang, George Cherian
  • Patent number: 9602332
    Abstract: In a 3GPP2 Converged Access Network (CAN), IPv6 stateless auto configuration can be used to configure an IPv6 address of an access terminal (AT) for Simple IPv6 operation. A domain name system (DNS) update is triggered by IPv6 Neighbor Advertisement addresses a need for a DNS update when the full IPv6 address (128 bits) has not yet been sent in IPv6 packets from the AT. Upon receipt of the full address in response to the IPv6 Neighbor Advertisement, provision is made for prompting this DNS update even when the requesting network entity (e.g., access gateway (AGW) or home agent (HA)) does not have security authentication with a responsible home DNS server by utilizing access to an authentication, authorization, and accounting (AAA) function, perhaps via a local visited AAA, to submit an Accounting Request (Start) message that prompts the home DNS server to perform the DNS update.
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: March 21, 2017
    Assignee: QUALCOMM Incorporated
    Inventors: Masakazu Shirota, Jun Wang, Raymond Tah-Sheng Hsu
  • Patent number: 9392528
    Abstract: Access control techniques enable an access terminal to obtain service through an access point. In some aspects, access control techniques may be used to enable a user (e.g., an owner) of an access point to control whether an access terminal obtains service through the access point. For example, a user may temporarily disable access control at an access point to enable access points that register with the access point while access control is disabled to thereafter be allowed to obtain service through the access point. As another example, a shared secret may be provided to an access terminal whereby, upon presenting the shared secret to an access point, the access terminal is allowed to obtain service through the access point.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: July 12, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: John Wallace Nasielski, Peerapol Tinnakornsrisuphap, Chandrasekhar Therazhandur Sundarraman, Jun Wang, Masakazu Shirota
  • Patent number: 9374739
    Abstract: Controller and method for Handover (HO) based 1×CSFB communicates Calling Party Number (CPN) to User Equipment (UE) a in a cellular communication system. A first solution provides Interworking Solution (IWS) adding CPN sent to target Base Station Controller (BSC) via Mobile Switching Center (MSC) in Interoperability Specification (IOS) HO messages. A second solution provides that IWS sends CPN with Air Interface HO message and stores the CPN until UE transition to the target Radio Access Network and acquires a traffic channel. A third solution provides that IWS receives CPN from MSC with a paging message and stores the CPN until UE transition to the target Radio Access Network and acquires a traffic channel. A fourth solution provides sending AWI message to the target Radio Access Network from the MSC.
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: June 21, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Masakazu Shirota, Jun Wang, George Cherian, Arvind Swaminathan, Srinivasan Balasubramanian, Ravindra Manohar Patwardhan
  • Patent number: 9271211
    Abstract: Systems, methods and apparatus described herein include features that enable dual radio access. In one embodiment, the access point directs an access terminal through sequential measurements, which are selected by the access point based on the radio access capability of the access terminal, service preferences of the user and measurement reports. In a complementary method, an access terminal obtains the sequential measurements chosen by the access point. In another embodiment, the access point directs an access terminal through a set of measurements, which are selected by the access point based on the radio access capability of the access terminal and service preferences of the user. In another embodiment, an access terminal selects which subset of measurements to obtain based on the radio access capability of the access terminal and optionally service preferences of the user.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: February 23, 2016
    Assignee: QUALCOMM Incorporated
    Inventors: Masakazu Shirota, Masato Kitazoe
  • Patent number: 9167491
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided in which a system for optimizing pilot search window size selection for inter RAT handovers is implemented. An IWS may receive a message including at least one measurement value for each 1x pilot PN in a 1x network, obtained from measurements requested by an eNB and performed by a UE. The IWS may select one or more parameters for pilot search based on the at least one measurement value for the UE to use for pilot searching in the 1x network. Further the IWS may transmit the selected one or more parameters for pilot search to the UE for pilot searching in the 1x network.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: October 20, 2015
    Assignee: QUALCOMM Incorporated
    Inventors: Kurt William Otte, Masakazu Shirota
  • Publication number: 20150263957
    Abstract: A method, an apparatus, and a computer program product are provided. The apparatus may be a UE configured to receive from a base station access parameters corresponding to respective types of access controls for different types of data services, receive a TFT established at a core network based on mapping a packet filter to access control information for each type of access control, receive a data packet from an application, match the data packet to the packet filter to determine access control information corresponding to the data packet, and establish communication for the data packet based on access parameters for the determined access control information. Alternatively, the apparatus may be policy server configured to receive a request for traffic control regarding data being communicated to an application server, determine a policy update for the application server based on the request, and transmit the policy update to a UE.
    Type: Application
    Filed: March 9, 2015
    Publication date: September 17, 2015
    Inventors: Jun WANG, George CHERIAN, Masakazu SHIROTA, Suli ZHAO, Aleksandar GOGIC, Giridhar Dhati MANDYAM, Haris ZISIMOPOULOS, Roozbeh ATARIUS, Charles Nung LO
  • Patent number: 9032065
    Abstract: A communication session between a node seeking network access and a NAS (Network Access Server) is established by having only few exchanges of messages. Upon detecting a physical link between the node and the NAS, the NAS immediately sends an authentication request message to the node. In response, the node sends a request message which includes all parameters options, in addition to responding to the authentication request message, for link configuration and network access control. The NAS then picks and chooses the parameter options and sends back the selected options in a reply message to the node. If the selected options in the reply message meet a threshold, the node straightforwardly transmits user data for network access via the NAS.
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: May 12, 2015
    Assignee: QUALCOMM Incorporated
    Inventors: Marcello Lioy, Jun Wang, Masakazu Shirota, Raymond Tah-Sheng Hsu, Sivaramakrishna Veerepalli
  • Patent number: 9008038
    Abstract: Aspects describe coordination of resource release on a source system. An aspect relates to a network based coordination. Another aspect relates to a mobile device based coordination. Also provided is a network and mobile device coordinated approach. An un-coordinated approach is also provided.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: April 14, 2015
    Assignee: QUALCOMM Incorporated
    Inventors: Masakazu Shirota, Jun Wang, George Cherian, Nathan Edward Tenny
  • Publication number: 20150043534
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided in which user equipment performs a circuit-switched fallback procedure to connect to a CDMA2000 network. The CDMA2000 network may be selected by the UE or by the network. A plurality of PLMN IDs may be maintained, where the IDs relate to a network that includes an LTE RAN. Each PLMN ID may be associated with a CDMA2000 network sharing the LTE RAN. A CDMA2000 network may be selected for circuit-switched fallback of a user equipment operating in the LTE RAN. The user equipment may be configured to perform a circuit-switched fallback procedure on the selected CDMA2000 network. The CDMA2000 network may be selected by a mobility management entity responsive to a PLMN selection procedure. The PLMN selection procedure may be performed when the UE reports multiple-operator capability.
    Type: Application
    Filed: April 4, 2013
    Publication date: February 12, 2015
    Inventors: Masakazu Shirota, Xipeng Zhu, Arvind Swaminathan, Jun Wang, George Cherian
  • Patent number: 8942690
    Abstract: Access control techniques enable an access terminal to obtain service through an access point. In some aspects, access control techniques may be used to enable a user (e.g., an owner) of an access point to control whether an access terminal obtains service through the access point. For example, a user may temporarily disable access control at an access point to enable access points that register with the access point while access control is disabled to thereafter be allowed to obtain service through the access point. As another example, a shared secret may be provided to an access terminal whereby, upon presenting the shared secret to an access point, the access terminal is allowed to obtain service through the access point.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: January 27, 2015
    Assignee: QUALCOMM Incorporated
    Inventors: John Wallace Nasielski, Peerapol Tinnakornsrisuphap, Chandrasekhar Therazhandur Sundarraman, Jun Wang, Masakazu Shirota
  • Publication number: 20150004978
    Abstract: Systems, methods and apparatus described herein include features that enable dual radio access. In one embodiment, the access point directs an access terminal through sequential measurements, which are selected by the access point based on the radio access capability of the access terminal, service preferences of the user and measurement reports. In a complementary method, an access terminal obtains the sequential measurements chosen by the access point. In another embodiment, the access point directs an access terminal through a set of measurements, which are selected by the access point based on the radio access capability of the access terminal and service preferences of the user. In another embodiment, an access terminal selects which subset of measurements to obtain based on the radio access capability of the access terminal and optionally service preferences of the user.
    Type: Application
    Filed: September 15, 2014
    Publication date: January 1, 2015
    Inventors: Masakazu Shirota, Masato Kitazoe
  • Patent number: 8867436
    Abstract: Aspects describe conveying optional network signaled values that can be utilized for communication in a communications environment. A method that includes generating a first network signaled value and a second network signaled value and transmitting first network signaled value and second network signaled value to at least one mobile device is provided. A communications apparatus, comprising a memory that retains instructions related to obtaining a first network signaled value and a second network signaled value from an access point and applying first network signaled value or second network signaled value for communication in a network as a function of a priority is also provided. Also provided are optional network signaled values that can be utilized separately from a mandatory network signaled value.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: October 21, 2014
    Assignee: QUALCOMM Incorporated
    Inventors: Masato Kitazoe, Valentin A. Gheorghiu, Masakazu Shirota, Nathan E. Tenny, Peter Gaal
  • Patent number: 8868087
    Abstract: Radio access interworking technologies allow a target network to notify a source network that a mobile device has moved from source network to target network, wherein mobile device does not need to perform notification to source network. Further, source network can provide a first subset of overhead information to mobile device and, after moving to target network, mobile device can receive a second subset of overhead information from target network. Further, mobile device can perform prehashing prior to moving to target network based on a channel list received from source network.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: October 21, 2014
    Assignee: QUALCOMM Incorporated
    Inventors: George Cherian, Masakazu Shirota, Jun Wang, Arvind Swaminathan, Srinivasan Balasubramanian, Parag A. Agashe, Ravindra M. Patwardhan, Osok Song, Peerapol Tinnakornsrisuphap, Shyamal Ramachandran
  • Patent number: 8837427
    Abstract: Systems, methods and apparatus described herein include features that enable dual radio access. In one embodiment, the access point directs an access terminal through sequential measurements, which are selected by the access point based on the radio access capability of the access terminal, service preferences of the user and measurement reports. In a complementary method, an access terminal obtains the sequential measurements chosen by the access point. In another embodiment, the access point directs an access terminal through a set of measurements, which are selected by the access point based on the radio access capability of the access terminal and service preferences of the user. In another embodiment, an access terminal selects which subset of measurements to obtain based on the radio access capability of the access terminal and optionally service preferences of the user.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: September 16, 2014
    Assignee: QUALCOMM Incorporated
    Inventors: Masakazu Shirota, Masato Kitazoe
  • Patent number: 8831618
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided for reducing the amount of time for sending a measurement report message, such as a Pilot Strength Measurement Message (PSMM), after sending a completion message in wireless communication. A first radio access technology is monitored, and an indication is received on a second radio access technology. Before a transfer is made to the second radio access technology based on the indication, a UE receives neighbor information for the second radio access technology via the first radio access technology. Thereafter, a transfer is performed to transfer the UE from the first radio access technology to the second radio access technology.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: September 9, 2014
    Assignee: QUALCOMM Incorporated
    Inventors: Kurt William Otte, Masakazu Shirota
  • Publication number: 20140233529
    Abstract: A type of circuit switched fallback (CSFB) is selected based on the target access point for the CSFB. For example, redirection-based CSFB may be selected for some types of target access points, while handover-based CSFB is selected for other types of target access points. In some aspects, an entity may use one or more access point identifiers associated with the target access point to select which type of CSFB to use.
    Type: Application
    Filed: February 11, 2014
    Publication date: August 21, 2014
    Applicant: QUALCOMM Incorporated
    Inventors: Rajat PRAKASH, Masakazu SHIROTA