Patents by Inventor Jianxiong Shi

Jianxiong Shi 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: 20190021057
    Abstract: A device, system, and method uses a high power mode for a cellular connection. The method is performed at a device that is configured to establish a network connection to a network. The method includes detecting a number of at least one event that has occurred over a time period, the at least one event associated with operations used through the network connection, the at least one event indicative of a power to perform the operations that is greater than a predetermined power. When the number is at least a predetermined threshold, the method includes identifying the network connection as being in a high power state. The method includes activating settings when the network connection is in the high power state, the settings reducing a usage of the operations over the network connection.
    Type: Application
    Filed: September 19, 2018
    Publication date: January 17, 2019
    Inventors: Srinivasan NIMMALA, Srirang A. LOVLEKAR, Venkateswara Rao MANEPALLI, Sami M. ALMALFOUH, Li SU, Jianxiong SHI, Daniel D. SCHUCKER, Ajoy K. SINGH, Vijay VENKATARAMAN
  • Patent number: 10182392
    Abstract: This disclosure relates to broadcast information block assistance for a wireless device. The wireless device may obtain a first plurality of broadcast information blocks from a first base station. The wireless device may receive a second plurality of broadcast information blocks associated with the first base station from a source other than the first base station. The wireless device may determine if the second plurality of broadcast information blocks match the first plurality of broadcast information blocks based on version information specified in the first plurality of broadcast information blocks. When the broadcast information blocks match, the wireless device may use the first and second pluralities of broadcast information blocks to perform communication with the first base station without obtaining the second plurality of information blocks from the first base station.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: January 15, 2019
    Assignee: Apple Inc.
    Inventors: Jianxiong Shi, Madhusudan Chaudhary, Srinivasan Nimmala, Srirang A. Lovlekar, Venkateswara Rao Manepalli
  • Publication number: 20180351659
    Abstract: Methods, systems and apparatus for a user equipment to mitigate interference in a wireless charging state. The user equipment may determine when the user equipment enters a wireless charging state and, when the user equipment enters the wireless charging state, activate an interference mitigation. The user equipment may further determine when the UE exits the wireless charging state and, when the user equipment exits the wireless charging state, deactivate the interference mitigation.
    Type: Application
    Filed: June 2, 2017
    Publication date: December 6, 2018
    Inventors: Srinivasan Nimmala, Sethuraman Gurumoorthy, Vijay Venkataraman, Vijay Kumar Ramamurthi, Srirang A. Lovlekar, Lakshmi N. Kavuri, Sang Ho Baek, Yifan Zhu, Karthik Anantharaman, Rangakrishna Nallandigal, Sree Ram Kodali, Adesh Kumar, Xin Wang, Eyad Al-Shemali, Xiangpeng Jing, Sivaramachandran Ganesan, Longda Xing, Jianxiong Shi, Sami M. Almalfouh, Zhu Ji, Johnson O. Sebeni, Beibei Wang, Sunny Arora
  • Patent number: 10142818
    Abstract: Apparatus and methods to reuse wireless circuitry to communicate with multiple wireless networks to support multiple subscriber identities in a wireless communication device are disclosed. A representative method includes receiving signaling messages for a second subscriber identity from a second wireless network while connected to a first wireless network for a first subscriber identity. A portion of radio frequency wireless circuitry is reconfigured to communicate with the second wireless network to establish a signaling channel and respond to signaling messages received from the second wireless network. The portion of radio frequency wireless circuitry is reconfigured between the first and second wireless networks to maintain a connection with the first wireless network while also receiving from the second wireless network limited information that can be provided to a user.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: November 27, 2018
    Assignee: Apple Inc.
    Inventors: Qiang Miao, Jianxiong Shi, Li Su, Wenping Lou
  • Patent number: 10142871
    Abstract: A device, system, and method uses a camp only mode based on a connectivity status. The method is performed at a device that is configured to establish a first connection to a first network and configured to establish a second connection to a second network. The method includes determining the connectivity status of the device. When the connectivity status indicates that the device has established the first connection, the method includes utilizing a camp-only mode to monitor the second network, the camp-only mode reducing a frequency of at least one type of operation associated with the second network, the camp-only mode configured to retain a capability of determining whether an emergency message is being broadcast over the second network.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: November 27, 2018
    Assignee: APPLE INC.
    Inventors: Venkateswara Rao Manepalli, Jianxiong Shi, Madhusudan Chaudhary, Srinivasan Nimmala, Murtaza A. Shikari, Srirang A. Lovlekar
  • Publication number: 20180338222
    Abstract: Some embodiments relate to a user equipment device (UE), and associated methods for enabling the UE to estimate velocity of the UE based on cellular parameters. In some embodiments, a first velocity of a UE may be estimated based on a first set of parameters associated with one or more cellular based metrics. Doppler measurements may be performed in response to the first velocity exceeding a velocity threshold for at least a time period. In some embodiments, performing (or conducting) the Doppler measurements may be triggered by (e.g., in response to) the first velocity exceeding the velocity threshold for at least the first time period and receiving an indication from a motion processor of the UE that the UE is in a non-static state. In addition, a second velocity of the UE may be estimated based on the first set of parameters and the Doppler measurements.
    Type: Application
    Filed: May 16, 2017
    Publication date: November 22, 2018
    Inventors: Venkateswara Rao Manepalli, Vijay Kumar Ramamurthi, Jianxiong Shi, Madhusudan Chaudhary, Srinivasan Nimmala, Srinivas Burugupalli
  • Publication number: 20180332490
    Abstract: A device, system, and method uses a camp only mode based on a connectivity status. The method is performed at a device that is configured to establish a first connection to a first network and configured to establish a second connection to a second network. The method includes determining the connectivity status of the device. When the connectivity status indicates that the device has established the first connection, the method includes utilizing a camp-only mode to monitor the second network, the camp-only mode reducing a frequency of at least one type of operation associated with the second network, the camp-only mode configured to retain a capability of determining whether an emergency message is being broadcast over the second network.
    Type: Application
    Filed: May 15, 2017
    Publication date: November 15, 2018
    Inventors: Venkateswara Rao MANEPALLI, Jianxiong SHI, Madhusudan CHAUDHARY, Srinivasan NIMMALA, Murtaza A. SHIKARI, Srirang A. LOVLEKAR
  • Patent number: 10129796
    Abstract: According to techniques described herein, a UE (which may be link budget limited) may be connected to a network using a first RAT. The UE may be configured to determine a first resource requirement for communication on the network using the first RAT and a second resource requirement for communication on the network using a second RAT. The UE may be further configured to trigger a re-selection to the second RAT in response to the UE determining that the second RAT is preferred over the first RAT based, at least in part, on a comparison of the first and second resource requirements.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: November 13, 2018
    Assignee: Apple Inc.
    Inventors: Ozgur Ekici, Jianxiong Shi, Li Su, Sachin J. Sane, Sai Sravan Bharadwaj Karri
  • Publication number: 20180324680
    Abstract: This disclosure relates to broadcast information block assistance for a wireless device. The wireless device may obtain a first plurality of broadcast information blocks from a first base station. The wireless device may receive a second plurality of broadcast information blocks associated with the first base station from a source other than the first base station. The wireless device may determine if the second plurality of broadcast information blocks match the first plurality of broadcast information blocks based on version information specified in the first plurality of broadcast information blocks. When the broadcast information blocks match, the wireless device may use the first and second pluralities of broadcast information blocks to perform communication with the first base station without obtaining the second plurality of information blocks from the first base station.
    Type: Application
    Filed: June 13, 2018
    Publication date: November 8, 2018
    Inventors: Jianxiong Shi, Madhusudan Chaudhary, Srinivasan Nimmala, Srirang A. Lovlekar, Venkateswara Rao Manepalli
  • Publication number: 20180317167
    Abstract: An accessory wireless device partakes in a data session with a remote device. The data session may be a voice call or other service. To preserve the battery power of the accessory wireless device, the accessory wireless device opportunistically offloads medium-to-long range radio transmission and reception tasks to the companion wireless device while maintaining call continuity. The accessory wireless device and the companion wireless device communicate through a local connection. In one embodiment, the accessory wireless device pushes a wireless wide area network (WWAN) connection to the companion device by sharing selected security and network information with the companion wireless device. When the accessory device and/or the companion device determine that the local connection may not be sustainable, the accessory device pulls the WWAN connection of the companion device back to itself.
    Type: Application
    Filed: July 2, 2018
    Publication date: November 1, 2018
    Inventors: Li SU, Tahir SHAMIM, Jianxiong SHI, Wanping ZHANG
  • Patent number: 10085213
    Abstract: A device, system, and method uses a high power mode for a cellular connection. The method is performed at a device that is configured to establish a network connection to a network. The method includes detecting a number of at least one event that has occurred over a time period, the at least one event associated with operations used through the network connection, the at least one event indicative of a power to perform the operations that is greater than a predetermined power. When the number is at least a predetermined threshold, the method includes identifying the network connection as being in a high power state. The method includes activating settings when the network connection is in the high power state, the settings reducing a usage of the operations over the network connection.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: September 25, 2018
    Assignee: APPLE INC.
    Inventors: Srinivasan Nimmala, Srirang A. Lovlekar, Venkateswara Rao Manepalli, Sami M. Almalfouh, Li Su, Jianxiong Shi, Daniel D. Schucker, Ajoy K. Singh, Vijay Venkataraman
  • Patent number: 10051682
    Abstract: This disclosure relates to techniques for scheduling radio resource control connections between a wireless device and a network element of a network in advance. According to some embodiments, a wireless device may provide an indication of one or more types of upcoming data traffic to the network element. The network element may schedule one or more radio resource control connections for the wireless device based at least in part on the indication of one or more types of upcoming data traffic. The network element may provide an indication of the scheduled radio resource control connection(s) to the wireless device. The wireless device and the network may establish the scheduled radio resource control connection at the scheduled time.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: August 14, 2018
    Assignee: Apple Inc.
    Inventors: Sarma V. Vangala, Tarik Tabet, Venkateswara Rao Manepalli, Madhusudan Chaudhary, Faraz Faheem, Syed Aon Mujtaba, Jianxiong Shi, Sreevalsan Vallath
  • Publication number: 20180227880
    Abstract: This disclosure relates to techniques for efficient idle mode wakeup for wireless devices supporting an enhanced coverage mode and a normal coverage mode in a wireless communication system. A wireless device may camp on a cellular base station in idle mode. The wireless device may monitor a control channel associated with the normal coverage mode during a paging occasion. The wireless device may also monitor a control channel associated with the enhanced coverage mode during the paging occasion if a paging indication is not successfully decoded on the control channel associated with the normal coverage mode.
    Type: Application
    Filed: February 5, 2018
    Publication date: August 9, 2018
    Inventors: Li Su, Sami M. Almalfouh, Jianxiong Shi
  • Patent number: 10045287
    Abstract: Apparatuses, systems, and methods for user equipment (UE) devices to perform more efficient frequency scans for potential base stations. According to techniques described herein, the UE may, in response to detecting that UE does not have cellular service, perform a full band scan to search for a last registered public land mobile network (PLMN) and the full band scan may discover one or more cells not associated with the last registered PLMN. The UE may populate a database with one or more parameters associated with the one or more cells and in response to not finding the last registered PLMN, perform a targeted scan limited to a set of PLMNs found during the full band scan. In some embodiments, each PLMN in the set of PLMNs may be comprised in a roaming PLMN list for an operator.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: August 7, 2018
    Assignee: Apple Inc.
    Inventors: Lakshmi N. Kavuri, Jianxiong Shi, Srinivasan Nimmala, Viswanath Nagarajan, Yifan Zhu
  • Patent number: 10021544
    Abstract: A Dual SIM Dual Standby (DSDS) user equipment (UE) which provides enhanced caller ID capabilities. In particular, the UE may be a Dual SIM Dual Active (DSDA) UE capable of using two SIMs and two radios so as to maintain two active voice calls simultaneously. The UE may include a single transmitter and one or more receivers. Mechanisms are described such that, when a first voice call is active, desirable services such as receiving and presenting caller ID information associated with this second call are provided to the user of the UE.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: July 10, 2018
    Assignee: Apple Inc.
    Inventors: Jianxiong Shi, Li Su
  • Patent number: 10021625
    Abstract: This disclosure relates to broadcast information block assistance for a wireless device. The wireless device may obtain a first plurality of broadcast information blocks from a first base station. The wireless device may receive a second plurality of broadcast information blocks associated with the first base station from a source other than the first base station. The wireless device may determine if the second plurality of broadcast information blocks match the first plurality of broadcast information blocks based on version information specified in the first plurality of broadcast information blocks. When the broadcast information blocks match, the wireless device may use the first and second pluralities of broadcast information blocks to perform communication with the first base station without obtaining the second plurality of information blocks from the first base station.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: July 10, 2018
    Assignee: Apple Inc.
    Inventors: Jianxiong Shi, Madhusudan Chaudhary, Srinivasan Nimmala, Srirang A. Lovlekar, Venkateswara Rao Manepalli
  • Patent number: 10015740
    Abstract: An accessory wireless device partakes in a data session with a remote device. The data session may be a voice call or other service. To preserve the battery power of the accessory wireless device, the accessory wireless device opportunistically offloads medium-to-long range radio transmission and reception tasks to the companion wireless device while maintaining call continuity. The accessory wireless device and the companion wireless device communicate through a local connection. In one embodiment, the accessory wireless device pushes a wireless wide area network (WWAN) connection to the companion device by sharing selected security and network information with the companion wireless device. When the accessory device and/or the companion device determine that the local connection may not be sustainable, the accessory device pulls the WWAN connection of the companion device back to itself.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: July 3, 2018
    Assignee: Apple Inc.
    Inventors: Li Su, Tahir Shamim, Jianxiong Shi, Wanping Zhang
  • Publication number: 20180152895
    Abstract: In some embodiments, an apparatus is configured to wirelessly communicate with a base station in a real-time internet protocol (IP) session using a first retransmission parameter in a first frame transmission scheme. In some embodiments, the apparatus is configured to determine a current performance metric and, based on the current performance metric, negotiate to use a second, different retransmission parameter in a second frame transmission scheme for communications via the real-time IP session. In some embodiments, the retransmission parameter is a number of retransmissions or a number of hybrid automatic repeat request (HARQ) processes.
    Type: Application
    Filed: January 23, 2018
    Publication date: May 31, 2018
    Inventors: Li Su, Jianxiong Shi
  • Patent number: 9979509
    Abstract: A wireless communication device (UE) may reliably decode control information during wireless cellular communications. The UE may decode the Physical Control Format Indicator Channel (PCFICH) for a given wireless network, and if the decode is unsuccessful, the UE may perform a blind decode of the PCFICH. The UE may decode, for the network, a Physical Downlink Control Channel (PDCCH) for a current subframe using a specified control format indicator (CFI) value. If the decode of the PDCCH is successful, the UE may communicate over the NW, using the specified CFI value. If the decode for the current subframe is unsuccessful, the UE may decode the PDCCH for a different next subframe using a different CFI value until the PDCCH for the NW has been successfully decoded. The CFI value may be specified based at least on common signaling present in certain subframes received by the UE.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: May 22, 2018
    Assignee: Apple Inc.
    Inventors: Li Su, Jianxiong Shi, Sami M. Almalfouh
  • Patent number: 9974109
    Abstract: A wireless communication system is presented in which user equipment (UE) performs non-intra-frequency (NIF) cell reselection. The NIF cell reselection process can: detect, on a discontinues reception (DRX) cycle, whether a NIF for a second cell has passed a second reselection threshold; perform, on the DRX cycle, additional checks or measurements to determine whether a higher priority NIF for a third cell has passed a third reselection threshold; and continue a cell reselection process for the second cell and the third cell. The NIF cell reselection techniques can help ensure that the UE reselects to higher priority cells without expending an unnecessary amount power.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: May 15, 2018
    Assignee: Apple Inc.
    Inventors: Shivesh Makharia, Sree Ram Kodali, Longda Xing, Jianxiong Shi