Patents by Inventor Saurabha Rangrao Tavildar

Saurabha Rangrao Tavildar 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: 10602508
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus determines K subsets of a resource pool. Each subset includes K grid elements. Additionally, each grid element includes at least K sub-elements. The apparatus selects one subset of the K subsets of the resource pool. Additionally, the apparatus transmits a message using K sub-elements of the selected subset.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: March 24, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Saurabha Rangrao Tavildar, Navid Abedini
  • Publication number: 20200084674
    Abstract: Aspects of the present disclosure provide methods and apparatus for beam selection in uplink-based and downlink-based mobility scenarios, for example, for new radio (NR) systems which can improve handover reliability, reduce handover frequency, and improve power efficiency. Certain aspects provide a method for wireless communications by a user equipment (UE). The method generally includes transmitting an uplink reference signal with an indication of a preferred downlink beam and receiving a downlink transmission based, at least in part, on the uplink reference signal.
    Type: Application
    Filed: November 12, 2019
    Publication date: March 12, 2020
    Inventors: Keiichi KUBOTA, Tingfang JI, Tao LUO, Gavin Bernard HORN, John Edward SMEE, Ravi AGARWAL, Joseph Binamira SORIAGA, Saurabha Rangrao TAVILDAR
  • Patent number: 10530461
    Abstract: A user equipment (UE) may be outside of the coverage area of a base station or other access point, which may impede access by the UE of a core network, server, or the like. Therefore, a UE may establish a relay connection to access resources when the UE is outside of a coverage area provided by a base station or access point. In aspects, an apparatus may be configured to transmit, to a set of relay UEs, a first message associated with establishment of a relay connection. The apparatus may be further configured to receive a set of messages from the set of relay UEs. The apparatus may be further configured to establish the relay connection with a first relay UE of the set of relay UEs based on a message of the set of messages from the first relay UE.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: January 7, 2020
    Assignee: QUALCOMM Incorporated
    Inventors: Bilal Sadiq, Hong Cheng, Sudhir Kumar Baghel, Michaela Vanderveen, Saurabha Rangrao Tavildar, Haris Zisimopoulos, Shailesh Patil, Kapil Gulati
  • Patent number: 10524282
    Abstract: Methods, systems, and devices are described for transmissions and retransmissions of scheduling assignment (SA) information, and for content of SA transmissions. SAs may be transmitted during an initial communications period, followed by data transmissions for a certain time period. A device may monitor for transmissions during the SA period and then monitor for data transmissions during periods indicated in a received SA. SAs may be retransmitted according to a retransmission pattern that may provide time or frequency diversity patterns in order to enhance reception of SAs at a receiving device. Retransmission patterns may be determined based on a resource from an SA resource pool that is used for an initial transmission of the SA.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: December 31, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Saurabha Rangrao Tavildar, Sudhir Kumar Baghel, Shailesh Patil, Kapil Gulati
  • Patent number: 10477538
    Abstract: Apparatuses, systems, and devices are described for transmissions and retransmissions of device-to-device (D2D) communications. A D2D message may be transmitted during an initial communications period, followed by one or more retransmissions. A device may transmit an initial transmission, determine a time hopping pattern for the retransmission(s), and determine a transmission resource for the retransmission(s) based at least in part on a resource of the initial transmission and the time hopping pattern. The messages may include, for example, a scheduling assignment (SA) for data transmission, or data transmissions from a transmitting device. Time hopping patterns may be determined based on times and/or frequencies of the initial transmission. A base station may transmit a message to a transmitting device that indicates one or more time hopping patterns that are to be used for the transmissions.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: November 12, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Saurabha Rangrao Tavildar, Kapil Gulati, Shailesh Patil, Sudhir Kumar Baghel
  • Patent number: 10477527
    Abstract: The present disclosure enables the assignment of multiple semi-persistent resource assignments at the same time for use in V2V communications. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE (e.g., a vehicle). The UE may determine at least one resource pattern required for V2V communications. The UE may also send assistance information for the at least one resource pattern to a base station. Further, the UE may receive, from the base station, a response associated with the at least one resource pattern. In an aspect, the response may include an index of approved resource patterns. Further still, the UE may receive, from the base station, an activation grant for a resource assignment for the at least one resource pattern. In an aspect, activation grant may include the index of approved resource patterns being activated.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: November 12, 2019
    Assignee: Qualcomm Incorporated
    Inventors: Libin Jiang, Sudhir Kumar Baghel, Shailesh Patil, Saurabha Rangrao Tavildar, Kapil Gulati
  • Patent number: 10412571
    Abstract: A method, a computer-readable medium, and an apparatus are provided. The apparatus may be a user equipment (UE). The apparatus may transmit, to a base station, information indicating a capability to communicate with one or more relay UEs. In addition, the apparatus may receive, from the base station, configuration information associated with a discovery procedure for identifying the one or more relay UEs. Further, the apparatus may perform the discovery procedure based on the configuration information.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: September 10, 2019
    Assignee: Qualcomm Incorporated
    Inventors: Sudhir Kumar Baghel, Shailesh Patil, Saurabha Rangrao Tavildar, Hong Cheng, Michaela Vanderveen, Haris Zisimopoulos, Bilal Sadiq, Kapil Gulati
  • Patent number: 10334552
    Abstract: Methods, systems, and devices are describe for signaling protocols for device-to-device discovery operations in a wireless communication system. A user equipment (UE) may be communicating with a serving base station using a first frequency in a first frequency band. The UE may transmit, to the serving base station, information associated with performing a discovery scan procedure on a second frequency in a second frequency band during a discovery scan interval. The first frequency may be different from the second frequency. The UE may identify a capability to skip one or more downlink transmissions from the serving base station during the discovery scan interval.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: June 25, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Shailesh Patil, Saurabha Rangrao Tavildar, Sudhir Kumar Baghel, Kapil Gulati
  • Publication number: 20190174566
    Abstract: Methods, systems, and devices are described for signaling protocols for proximity service functions in a wireless communication system. A first wireless device may identify a wireless relay requirement associated with the first wireless device. A proximity service protocol may be initiated between the first wireless device and a second wireless device based at least in part on the identified wireless relay requirement. The proximity service protocol may be initiated prior to an initiation of a communication data exchange between the first wireless device and the second wireless device. A relay link may be established, via the ProSe protocol, between the first wireless device and the second wireless device based at least in part on the identified wireless relay requirement.
    Type: Application
    Filed: February 12, 2019
    Publication date: June 6, 2019
    Inventors: Hong Cheng, Sudhir Kumar Baghel, Michaela Vanderveen, Saurabha Rangrao Tavildar, Haris Zisimopoulos, Shailesh Patil, Bilal Sadiq, Kapil Gulati
  • Patent number: 10250653
    Abstract: Methods, systems, and devices are describe for signaling protocols for proximity service functions in a wireless communication system. A first wireless device may identify a group identity parameter associated with a multicast transmission of multimedia content. The first wireless device may map the identified group identity parameter to an identification parameter associated with at least one proximity service (ProSe) relay wireless device. The first wireless device may receive the multicast transmission of the multimedia content via the at least one ProSe relay wireless device based on the mapping of the identified group identity parameter to the identification parameter.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: April 2, 2019
    Assignee: Qualcomm Incorporated
    Inventors: Hong Cheng, Sudhir Kumar Baghel, Haris Zisimopoulos, Saurabha Rangrao Tavildar, Shailesh Patil, Michaela Vanderveen, Kapil Gulati, Bilal Sadiq
  • Patent number: 10237904
    Abstract: Methods, systems, and devices are describe for signaling protocols for proximity service functions in a wireless communication system. A first wireless device may identify a wireless relay requirement associated with the first wireless device. A proximity service protocol may be initiated between the first wireless device and a second wireless device based at least in part on the identified wireless relay requirement. The proximity service protocol may be initiated prior to an initiation of a communication data exchange between the first wireless device and the second wireless device. A relay link may be established, via the ProSe protocol, between the first wireless device and the second wireless device based at least in part on the identified wireless relay requirement.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: March 19, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Hong Cheng, Sudhir Kumar Baghel, Michaela Vanderveen, Saurabha Rangrao Tavildar, Haris Zisimopoulos, Shailesh Patil, Bilal Sadiq, Kapil Gulati
  • Patent number: 10219269
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may be a UE. The UE determines a second set of resource block pairs on which to transmit a peer discovery message in a second time cycle based on a mapping of a first set of resource block pairs in a first time cycle to the second set of resource block pairs in the second time cycle. The mapping is a one-to-one mapping between each resource block pair in the first set of resource block pairs to a corresponding resource block pair in the second set of resource block pairs. Resource block pairs in the first set of resource block pairs may be in adjacent allocated resources. The UE transmits the peer discovery message in the determined second set of resource block pairs.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: February 26, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Hua Wang, Shailesh Patil, Saurabha Rangrao Tavildar, Junyi Li
  • Patent number: 10212651
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus determines a first link quality. The first link quality indicates a link quality of a first link between a first potential relay UE and the remote UE. The apparatus determines a second link quality. The second link quality indicates a link quality of a second link between the first potential relay UE and a first base station. The apparatus ranks the first potential relay UE relative to a second potential relay UE. The ranking of the first potential relay UE is based on a combination of the first link quality and the second link quality. The apparatus selects one of the first potential relay UE and the second potential relay UE for a relay connection based on the ranking of the first potential relay UE relative to the second potential relay UE.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: February 19, 2019
    Assignee: QUALCOMM Incorporated
    Inventors: Kapil Gulati, Saurabha Rangrao Tavildar, Sudhir Kumar Baghel, Shailesh Patil
  • Patent number: 10159087
    Abstract: Certain aspects of the present disclosure provide methods for transmitting, by a user equipment (UE) channel state information (CSI) feedback when the UE is capable of an advanced function, for example, when the UE is capable of successive interference cancellation (SIC) and/or joint decoding. An exemplary method generally includes determining a first time scale for transmitting capability information regarding receiver performance at the UE, determining a second time scale for transmitting channel condition information, and transmitting the capability information according to the determined first time scale and the channel condition information according to the determined second time scale.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: December 18, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Saurabha Rangrao Tavildar, Tingfang Ji
  • Patent number: 10129838
    Abstract: Methods, systems, and devices are described that provide for D2D synchronization. The methods, systems, and/or devices may include tools and techniques that provide for synchronizing a mobile device based on detection of a reliability alarm. A reliability alarm may be used between mobile devices, which is transmitted and/or received on specific D2D resources. Since the resources are reserved for the reliability alarm, a mobile device which was previously isolated from network synchronization will be able to receive the reliability alarm that a reliable synchronization signal is close when it moves within range of a reliable device. Once a reliability alarm is received the mobile device may free other resources to allow it to receive synchronization signals from the reliable devices. The mobile device may then synchronize with the network based on the received synchronization signals and transmit its own reliability alarm for subsequent isolated devices to use.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: November 13, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Navid Abedini, Nilesh Nilkanth Khude, Saurabha Rangrao Tavildar, S├ębastien Henri, Junyi Li, Vincent Douglas Park
  • Patent number: 10111204
    Abstract: Techniques for scheduling assignment (SA) transmissions in device-to-device (D2D) communications are described. A D2D user equipment (UE) may use a block of time resources for SA transmissions. A D2D UE may transmit an SA transmission relatively quickly after determining that D2D data is to be transmitted to another D2D UE, relative to having to wait for specified time resources to send an SA transmission. The D2D data may then be transmitted following the SA transmission, reducing latency for transmission of the D2D data. It may be desirable for vehicle-to-vehicle (V2V) transmissions to have a relatively low latency to provide data from one vehicle to another with sufficient time for a vehicle to take action while moving at relatively high rates of speed.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: October 23, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Shailesh Patil, Saurabha Rangrao Tavildar, Sudhir Kumar Baghel, Kapil Gulati, Libin Jiang
  • Patent number: 10085276
    Abstract: Methods, systems, and apparatuses are described for wireless communication at a cell. The cell may transmit, from the cell to a plurality of neighboring cells, a frame configuration message. The frame configuration message may identify the current frame as a switching frame capable of dynamically switching a communication direction. The cell may switch, based at least in part on the frame configuration message, a communication direction between the cell and a user equipment (UE) for at least a portion of the current frame. The cell may communicate with the UE during the current frame according to the switched communication direction.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: September 25, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Hua Wang, Tingfang Ji, Naga Bhushan, Junyi Li, Saurabha Rangrao Tavildar
  • Patent number: 9992652
    Abstract: Methods, systems, and devices are described for wireless communication at a UE. In accordance with the present disclosure, a number of user devices in a network may be divided into a plurality of service groups based in part on priority levels associated with each group. In some examples, a network may distribute a plurality of resource pools to each of the above-assigned groups. Thus, for proximity based service (ProSe) communication, user devices within each group may select resource pools corresponding to the priority levels of the groups associated with the user device. Thus, in accordance with the present disclosure, division of resources based on priority levels of groups and UEs may ensure greater reliability of access to resources for high priority communication.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: June 5, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Sudhir Kumar Baghel, Saurabha Rangrao Tavildar, Shailesh Patil, Kapil Gulati
  • Patent number: 9986485
    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may be a wireless communication user equipment (UE). The apparatus transmits information in a device-to-device (D2D) communication to a second UE, the information indicating whether the second UE should use a direct feedback path to the UE or an indirect feedback path to the UE. The apparatus receives feedback through one of the direct feedback path or the indirect feedback path based on the information indicated in the D2D communication. The apparatus receives a D2D communication from a second UE. The apparatus determines whether to transmit feedback in response to the D2D communication via a direct feedback path to the second UE or via an indirect feedback path to the second UE. The apparatus transmits the feedback in response to the D2D communication in the determined feedback path.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: May 29, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Kapil Gulati, Sudhir Kumar Baghel, Saurabha Rangrao Tavildar, Shailesh Patil
  • Patent number: 9973980
    Abstract: Methods and apparatus that facilitate handover related measurements and decision making in a communications system including user equipment (UE) devices, a macro base station and femto base stations (femtocells) are described. In some embodiments a UE device transmits pilots along with identification information using UE device selected transmission resources from a set of recurring UE pilot transmission resources dedicated by a macro base station for UE pilot signal and related device information transmission purposes. Femto base stations measure the UE transmitted pilot signals and report the signal strength measurement results and corresponding device identifiers to a handoff decision control entity, e.g., an eNodeB or control node, which makes handover decisions. By relying on UE transmitted pilots measured by multiple base stations, e.g., femto base stations, the need for femto cells to transmit pilots can be reduced while well informed UE handoff decisions still being possible.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: May 15, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Junyi Li, Nilesh Nilkanth Khude, Saurabha Rangrao Tavildar, Vincent Douglas Park