Patents by Inventor Ajoy K. Singh

Ajoy K. Singh 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: 9635589
    Abstract: A method for seamless session mobility on wireless communication device including a first physical interface and a second physical interface is provided. The method can include a wireless communication device anchoring a data session for an application to a logical interface associated with the first physical interface. The method can further include the wireless communication device routing data for the data session sent to the logical interface by the application to the second physical interface for transmission via the second physical interface in an instance in which the wireless communication device has an active connection to a radio access network via the second physical interface.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: April 25, 2017
    Assignee: Apple Inc.
    Inventors: Ajoy K. Singh, Wen Zhao, Najeeb Abdulrahiman
  • Patent number: 9628853
    Abstract: An electronic device uses one antenna to wirelessly communicate information with two different wireless networks via concurrent connections associated with different radio access technologies. More specifically, the electronic device may receive video via a first of the connections using a multicast communication protocol. In order to maintain the second connection, the electronic device may switch, for a time interval, from the first connection to the second connection during switching events. This switching can disrupt displayed content associated with the video. To prevent this disruption, in response to a trigger that warns of an upcoming switching event, the electronic device accesses a portion of the video in a buffer during the time interval associated with the switching event. When the communication circuit switches back to the first connection after the switching event, the electronic device reverts to the video communication using the multicast communication protocol.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: April 18, 2017
    Assignee: Apple Inc.
    Inventors: Ajoy K. Singh, Tarik Tabet, Wen Zhao, Najeeb M. Abdulrahiman
  • Publication number: 20170094512
    Abstract: Apparatus and methods to support authentication failure handling by network elements and by a wireless communication device when attempting access to services through non-cellular wireless networks by the wireless communication device are disclosed. Error messages received from evolved packet core (EPC) network elements, such as an authentication, authorization, and accounting (AAA) server, are mapped to failure messages provided to wireless communication devices by internetworking equipment, such as an evolved packet data gateway (ePDG). The wireless communication device determines a failures cause based on the failure messages and disallows retry attempts until select criteria are satisfied.
    Type: Application
    Filed: September 22, 2016
    Publication date: March 30, 2017
    Inventors: Krisztian KISS, Thomas F. PAULY, Ajoy K. SINGH, Rohan C. MALTHANKAR, Vikram Bhaskara YERRABOMMANAHALLI, Rafael L. RIVERA-BARRETO
  • Publication number: 20170094574
    Abstract: A user equipment (UE), base station and a corresponding method for receiving historical data from a diagnostic server, receiving location data of the UE, determining a probability of a failed handover during a call based on the historical data and the location data, comparing the probability of the failed handover to a threshold value and initiating a call handover to a wireless local area network when the probability of the failed handover exceeds the threshold value. Also, a UE, base station and corresponding method for determining if one or more UEs have an active voice over WiFi call or if the UEs are registered with a Internet protocol (“IP”) multimedia subsystem (“IMS”) over WiFi and biasing a cell reselection procedure of the UE to select a cell of a packet switched network such as LTE.
    Type: Application
    Filed: May 27, 2016
    Publication date: March 30, 2017
    Inventors: Ajoy K. SINGH, Deepankar Bhattacharjee, Raj S. Chaugule, Sanjay K. Verma, Kwangho Byun
  • Publication number: 20170070919
    Abstract: Methods and apparatus to manage communication sessions to handover between a direct connection at a secondary wireless device and a relayed connection to the secondary wireless device via a primary wireless device. A connection manager of a secondary wireless device can trigger transfer of a communication session based on measurements of performance metrics for the communication session. Upon detection of performance degradation in a local connection or a backhaul connection or both, the connection manager of the secondary wireless device can determine proximity of and/or capabilities for connections of the primary wireless device and instigate transfer of the communication session between different connection types, such as between a direct connection and a relayed connection. The transfer of the communication session can occur without user intervention or in response to input from the user without interrupting or reestablishing the communication session.
    Type: Application
    Filed: September 7, 2016
    Publication date: March 9, 2017
    Inventors: Luciano M. VERGER, Ajoy K. SINGH, Christopher M. GARRIDO, Najeeb M. ABDULRAHIMAN, Ming JIN, Anil G. NAIK, Deepak Chitlur LAKSHMAN, Srinivasan VASUDEVAN, David L. BIDERMAN, Gurtej Singh CHANDOK, Patrick MIAUTON, Eric A. ALLAMANCHE
  • Patent number: 9585078
    Abstract: A method for offloading data traffic from a cellular connection to a WLAN connection via a wireless P2P connection is disclosed. The method can include the wireless communication device accessing offloading coordination information from an offload coordination service server, including information about at least one neighboring wireless communication device being within sufficient proximity of the wireless communication device to establish a wireless P2P connection and having access to a WLAN access point; using the offloading coordination information to select a relay device from the at least one neighboring wireless communication device; establishing a wireless P2P connection with the relay device; and offloading data traffic from the cellular connection to the wireless P2P connection so that the data traffic is relayed from the relay device to a network via a WLAN access point accessible to the relay device.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: February 28, 2017
    Assignee: Apple Inc.
    Inventors: Ajoy K. Singh, Syed A. Mujtaba, Wen Zhao
  • Patent number: 9578648
    Abstract: Described herein are systems and methods to enhance radio link performance in a multi-carrier environment. A method may comprise sending, by an upper level layer of a wireless device, user data in a packet for transmission, wherein the packet includes an indication of a level of priority of the packet, receiving, by a media access control (“MAC”) layer of the wireless device, the packet for transmission including the indication of the level of priority provided by the upper level layer, identifying, by the MAC layer, a reliability of each of a plurality of component carriers, and selecting, by the MAC layer, one of the component carriers on which to transmit the packet, wherein the selecting is based on the level of priority of the packet and the reliability of the one of the component carriers.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: February 21, 2017
    Assignee: APPLE INC.
    Inventors: Ajoy K. Singh, Tarik Tabet, Sarma V. Vangala
  • Publication number: 20170026884
    Abstract: An apparatus, system, and method for performing handover of a mobile station (MS) between a base station (BS) and an access point (AP) are described. In one embodiment, the MS may receive one or more threshold values for reporting measurements to the BS. The MS may convert the threshold values to device-specific threshold values. The MS may determine one or more network quality values associated with the AP. The MS may compare the network quality values to the device-specific threshold values. In response to the network quality values exceeding the device-specific threshold values, the MS may convert the network quality values to calibrated network quality values. The MS may provide the calibrated network quality values. The MS may perform handover from the BS to the AP based on providing the calibrated network quality values to the BS.
    Type: Application
    Filed: October 5, 2016
    Publication date: January 26, 2017
    Inventors: Ajoy K. Singh, Krisztian Kiss, Wen Zhao
  • Patent number: 9549337
    Abstract: In order to improve the quality of a telephone call communicated over a wireless local area network (WLAN), an electronic device (such as a cellular telephone) may obtain one or more performance metrics based on communication with another electronic device (such as an access point) via a connection in the WLAN. For example, the electronic device may receive the one or more performance metrics from the other electronic device and/or may determine the one or more performance metrics based on the performance of the communication. Then, the electronic device may compare the one or more performance metrics with an interference criterion. If the interference criterion is met, the electronic device may perform a remedial action, such as selectively discontinuing use of the WLAN to communicate the telephone call for a time interval. Otherwise, the electronic device may continue using the WLAN to communicate the telephone call.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: January 17, 2017
    Assignee: APPLE INC.
    Inventors: Xiaowen Wang, Ajoy K. Singh, Wen Zhao, Shu Du, Kapil Chhabra, Rudy E. Rawlins
  • Publication number: 20160353316
    Abstract: Wireless devices, networks and methods may operate to have a wireless device cause a base station to trigger voice call continuity handovers responsive to the quality of the cellular radio link in addition to the base station triggering such handovers based on location or mobility. Furthermore, wireless communication devices may also perform monitoring of multiple buffers operating within the wireless communication device and associated with different respective communication layers, in addition to monitoring the quality of the cellular radio link, to perform intelligent dropping/discarding and/or scheduling of packets at the wireless communications device. Any one or more of these features may improve the ability of the wireless communications device to achieve stated Voice over Long Term Evolution (VoLTE) performance benchmarks in the context of the realities of current VoLTE networks.
    Type: Application
    Filed: April 11, 2016
    Publication date: December 1, 2016
    Inventors: David Boettger, Tarik Tabet, Samy Khay-Ibbat, Farouk Belghoul, Ajoy K. Singh, Thanigaivelu Elangovan, Rafael L. Rivera-Barreto
  • Patent number: 9491674
    Abstract: An apparatus, system, and method for performing handover of a mobile station (MS) between a base station (BS) and an access point (AP) are described. In one embodiment, the MS may receive one or more threshold values for reporting measurements to the BS. The MS may convert the threshold values to device-specific threshold values. The MS may determine one or more network quality values associated with the AP. The MS may compare the network quality values to the device-specific threshold values. In response to the network quality values exceeding the device-specific threshold values, the MS may convert the network quality values to calibrated network quality values. The MS may provide the calibrated network quality values. The MS may perform handover from the BS to the AP based on providing the calibrated network quality values to the BS.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: November 8, 2016
    Assignee: Apple Inc.
    Inventors: Ajoy K. Singh, Krisztian Kiss, Wen Zhao
  • Publication number: 20160316425
    Abstract: An apparatus, system, and method for selecting a connection for a real time application. In one embodiment, a mobile device may communicate with a cellular network over a cellular connection and a WLAN network over a WLAN connection. The mobile device may determine one or more network parameters of the cellular network or the WLAN network, which may affect power consumption of the mobile device. Based on the network parameter(s), the mobile device may select the WLAN connection for use in a real-time application of the mobile device.
    Type: Application
    Filed: February 2, 2016
    Publication date: October 27, 2016
    Inventors: Gencer Cili, Ajoy K. Singh, Ahmet Ferhat Yildirim
  • Publication number: 20160302216
    Abstract: Described herein are systems and methods to enhance radio link performance in a multi-carrier environment. A method may comprise sending, by an upper level layer of a wireless device, user data in a packet for transmission, wherein the packet includes an indication of a level of priority of the packet, receiving, by a media access control (“MAC”) layer of the wireless device, the packet for transmission including the indication of the level of priority provided by the upper level layer, identifying, by the MAC layer, a reliability of each of a plurality of component carriers, and selecting, by the MAC layer, one of the component carriers on which to transmit the packet, wherein the selecting is based on the level of priority of the packet and the reliability of the one of the component carriers.
    Type: Application
    Filed: April 15, 2016
    Publication date: October 13, 2016
    Inventors: Ajoy K. Singh, Tarik Tabet, Sarma V. Vangala
  • Publication number: 20160262205
    Abstract: A host device may include a wireless interface for communications, a memory, and a processor coupled to the memory and to the wireless interface. The host device may receive, via the wireless interface, an advertisement message from a client device. The advertisement message may include an identifier associated with the client device and a request for communication of data from a cloud-based service. Responsive to the advertisement, the host may send the identifier to the cloud-based service. The host may receive from the cloud-based service, a proxy indication of available data associated with the client. Responsive to receiving the proxy indication of available data, the host may provide, via the wireless interface, a connection request including a client indication of the available data from the cloud-based service to the client. After receiving the available data from the cloud-based service, the host device may send the available data to the client.
    Type: Application
    Filed: October 23, 2015
    Publication date: September 8, 2016
    Applicant: APPLE INC.
    Inventors: Paul V. Flynn, Ajoy K. Singh, Wen Zhao, Dennis Mathews, Syed Aon Mujtaba, Sriram Hariharan, Matthew L. Semersky
  • Publication number: 20160262191
    Abstract: A client device and a host device may create a local connection for providing wide area network access, such as Internet access, to the client device. In some embodiments, the client device may have limited network capabilities and may not be able to access the Internet without the host device. The client device may provide its speed and direction in a message to potential host devices. A host device may calculate a suitability metric, based on the speed and direction of the client as well as connection properties of the networks, which indicates an ability for the host device to connect the client device to the Internet. The host device may provide the suitability metric within a connection request to the client device. Based on the suitability metric and/or other factors, the client device and the host device may establish the local connection.
    Type: Application
    Filed: October 23, 2015
    Publication date: September 8, 2016
    Applicant: APPLE INC.
    Inventors: Paul V. Flynn, Dennis Mathews, Ajoy K. Singh, Wen Zhao, Yong Liu, Syed Aon Mujtaba, Sriram Hariharan, Matthew L. Semersky
  • Publication number: 20160234749
    Abstract: Techniques are disclosed relating to a mobile device that initiates handovers from short-range networks to long-range networks. In various embodiments, a mobile device includes one or more radios that communicate using a plurality of radio access technologies (RATs) including a cellular RAT and a short-range RAT. In such an embodiment, the mobile device stores an indication that the cellular RAT is a preferred RAT for a communication session. The mobile may establish the communication session using the preferred RAT, and in response to determining that a quality of the preferred RAT fails to satisfy a set of quality criteria, may request that the communication session use the short-range RAT. In some embodiments, the mobile device analyzes average packet error rate for the communication session and in response to the average packet error rate satisfying a threshold, requests that the communication session use the cellular RAT.
    Type: Application
    Filed: September 28, 2015
    Publication date: August 11, 2016
    Inventors: Ajoy K. Singh, Wen Zhao
  • Publication number: 20160219474
    Abstract: In some embodiments, a user equipment device (UE) implements techniques for avoiding conflicts between UE-initiated and network-initiated handovers. In one embodiment, one or more first radios are configured to perform cellular communication using different first and second cellular radio access technologies (RATs) and a second radio is configured to perform wireless communication using a short-range RAT. In one embodiment, the mobile device is configured to, while communicating using the first cellular RAT, in response to determining that an inter-RAT handover to the short-range RAT is likely to be initiated or has been initiated by the at least one processor, delay sending a measurement report to the cellular base station. This delay may avoid conflict between handovers initiated by the network in response to the measurement report (e.g., from the first cellular RAT to the second cellular RAT) and the inter-RAT handover.
    Type: Application
    Filed: January 28, 2015
    Publication date: July 28, 2016
    Inventors: Ajoy K. Singh, Wen Zhao
  • Publication number: 20160183085
    Abstract: Apparatus and methods to support location specific control to allow and/or disallow access to services through untrusted wireless networks by a wireless communication device are disclosed. One or more network elements obtain a location of the wireless communication device and selectively allow and/or disallow access to one or more cellular network services and/or one or more access point names (APNs) based on the location of the wireless communication device when connecting through an untrusted wireless network.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 23, 2016
    Inventors: Vikram Bhaskara YERRABOMMANAHALLI, Ajoy K. SINGH, Krisztian KISS, Rohan C. MALTHANKAR, Thomas F. PAULY
  • Publication number: 20160174191
    Abstract: Embodiments relate to apparatus, systems, and methods for reception of calls on a mobile device that includes Wi-Fi and cellular radios. The mobile device may be configured to establish communication on a Wi-Fi network with a cellular carrier. The mobile device may further be configured to register a first IP address with an IMS server for the Wi-Fi network communication and register a second IP address with the IMS server for the cellular network communication (or register different ports of a single IP address with Wi-Fi and cellular). Upon occurrence of a mobile terminating call from the cellular carrier, the mobile device may receive an incoming call notification on one or both of the Wi-Fi network using the first IP address and the cellular network using the second IP address.
    Type: Application
    Filed: September 30, 2015
    Publication date: June 16, 2016
    Inventors: Ajoy K. Singh, Paul V. Flynn, Syed Aon Mujtaba, Vinay R. Majjigi, Wen Zhao, Xiaowen Wang
  • Publication number: 20160174110
    Abstract: An apparatus, system, and method for selecting a connection for a real time application. In one embodiment, a mobile device may communicate with a cellular network over a cellular connection and a WiFi network over a WiFi connection. The mobile device may determine backhaul data of the WiFi connection. The mobile device may generate a plurality of statistics from the backhaul data to generate backhaul statistics. Based on the plurality of statistics passing one or more thresholds, the mobile device may select the WiFi connection for use in a real-time application of the mobile device.
    Type: Application
    Filed: December 12, 2014
    Publication date: June 16, 2016
    Inventors: Pradeep S. Sharma, Ajoy K. Singh