Patents by Inventor Rajat Prakash

Rajat Prakash 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: 20240064692
    Abstract: Disclosed are techniques for training a position estimation module. In an aspect, a first network entity obtains a plurality of positioning measurements, obtains a plurality of positions of one or more user equipments (UEs), the plurality of positions determined based on the plurality of positioning measurements, stores the plurality of positioning measurements as a plurality of features and the plurality of positions as a plurality of labels corresponding to the plurality of features, and trains the position estimation module with the plurality of features and the plurality of labels to determine a position of a UE from positioning measurements taken by the UE.
    Type: Application
    Filed: October 25, 2023
    Publication date: February 22, 2024
    Inventors: Mohammed Ali Mohammed HIRZALLAH, Srinivas YERRAMALLI, Taesang YOO, Rajat PRAKASH, Xiaoxia ZHANG
  • Publication number: 20240057018
    Abstract: Techniques for line-of-sight (LOS) probability map signaling are disclosed. The techniques can include receiving a positioning signal via a wireless link between the UE and a transmission/reception point (TRP) of a radio access network (RAN), identifying an LOS probability function associated with the wireless link based on LOS probability map information provided by a location management function (LMF) of a core network for the RAN, and generating an LOS probability estimate for the wireless link using the LOS probability function.
    Type: Application
    Filed: August 12, 2022
    Publication date: February 15, 2024
    Inventors: Roohollah AMIRI, Srinivas YERRAMALLI, Taesang YOO, Marwen ZORGUI, Mohammad Tarek FAHIM, Mohammed Ali Mohammed HIRZALLAH, Rajat PRAKASH, Xiaoxia ZHANG
  • Publication number: 20240056262
    Abstract: This disclosure provides systems, methods, and devices for wireless communication that support separate hybrid automatic receipt request (HARQ) acknowledgement by member user equipments (UEs) cooperating as a virtual UE for downlink transmissions. In a first aspect, a virtual UE may detect a downlink transmission, wherein the virtual UE includes two or more member UEs in communication with each other and configured to cooperate in communications with the serving base station. The virtual UE may generate one or more acknowledgement codebooks configured to indicate an acknowledgement status by the virtual UE. The virtual UE may attempt to decode the downlink transmission and report an acknowledgment indicator that reflects the result of the decoding. The acknowledgment indicator includes an acknowledgement state selected from an acknowledgement codebook associated with the member UE. Other aspects and features are also claimed and described.
    Type: Application
    Filed: April 16, 2021
    Publication date: February 15, 2024
    Inventors: Mostafa Khoshnevisan, Yitao Chen, Aleksandar Damnjanovic, Xiaoxia Zhang, Jing Sun, Tao Luo, Fang Yuan, Juan Montojo, Rajat Prakash
  • Publication number: 20240049078
    Abstract: Methods, systems, and devices for wireless communications are described for management of conditional handover (CHO) configurations. A source base station may configure a user equipment (UE) with one or more CHO configurations for multiple target base stations. The CHO configurations may provide, for each target base station, one or more associated conditions that may trigger the UE to initiate a handover to the particular target base station, or to deconfigure a CHO configuration, such as based on a measurement threshold of one or more target base station measurements, one or more source base station measurements, or combinations thereof. The CHO configurations may also include failure handling information for initiating one or more subsequent handovers responsive to a failure of an initial handover attempt.
    Type: Application
    Filed: October 3, 2023
    Publication date: February 8, 2024
    Inventors: Punyaslok Purkayastha, Karthika Paladugu, Ozcan Ozturk, Rajat Prakash
  • Patent number: 11895736
    Abstract: Certain aspects of the present disclosure provide techniques for controlling access and use of network resources and services by user equipment based on user equipment capabilities. In one aspect, a method for wireless communication by a network entity, includes: receiving, from a user equipment, a request to connect to a network, the request comprising a user equipment identifier and a reduced capability indication; determining a validity of the reduced capability indication based on at least one of: subscription data associated with the user equipment; or one or more capabilities associated with the user equipment; and making a connection decision based on the validity of the reduced capability indication.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: February 6, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Linhai He, Gavin Bernard Horn, Soo Bum Lee, Miguel Griot, Hwan Joon Kwon, Jing Lei, Peter Pui Lok Ang, Rajat Prakash
  • Publication number: 20240037441
    Abstract: Disclosed are techniques for training a machine learning model. In an aspect, a user equipment (UE) receives, from a network entity, one or more selection criteria for determining whether the UE is to participate in training the machine learning model, determines whether the UE satisfies the one or more selection criteria during a first period of time, and transmits, to the network entity, after a second period of time, updated parameters for the machine learning model, wherein the machine learning model is updated during the second period of time based on a determination that the UE satisfies the one or more selection criteria.
    Type: Application
    Filed: August 1, 2022
    Publication date: February 1, 2024
    Inventors: Marwen ZORGUI, Srinivas YERRAMALLI, Mohammed Ali Mohammed HIRZALLAH, Taesang YOO, Xiaoxia ZHANG, Mohammad Tarek FAHIM, Rajat PRAKASH, Roohollah AMIRI
  • Publication number: 20240040617
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, a channel occupancy time (COT) duration indication that indicates a first COT duration associated with a first channel occupancy initiated by the base station. The UE may initiate, during a time duration that is outside of the first COT duration and based at least in part on performing a listen-before-talk procedure, a second channel occupancy having a second COT duration. Numerous other aspects are described.
    Type: Application
    Filed: January 28, 2021
    Publication date: February 1, 2024
    Inventors: Shaozhen GUO, Jing SUN, Changlong XU, Xiaoxia ZHANG, Hao XU, Rajat PRAKASH, Luanxia YANG, Siyi CHEN
  • Publication number: 20240040403
    Abstract: Wireless communications systems and methods related to routing communications in a multiple-link environment are provided. A wireless communication device transmits, via a first link of a plurality of links, a first data packet of a plurality of data packets associated with a survival time. The device transmits, based on a first time period associated with the survival time elapsing, a second data packet via a second link of the plurality of links, where the second link is associated with the survival time.
    Type: Application
    Filed: February 5, 2021
    Publication date: February 1, 2024
    Inventors: Luanxia YANG, Changlong XU, Jing SUN, Xiaoxia ZHANG, Rajat PRAKASH, Hao XU
  • Publication number: 20240040616
    Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for channel occupancy sharing conditions for beam-based channel access. In some aspects, one or more wireless devices may support a beam-based channel access procedure according to which a first wireless device may share a channel occupancy time (COT) of a second wireless device without performing a listen-before-talk (LBT) procedure if one or more conditions associated with a transmission from the first wireless device are satisfied. Such conditions may be associated with whether a directional beam used by the first wireless device satisfies a narrow beam condition, a time gap between a transmission from the second wireless device and a transmission from the first wireless device, or a duration of a continuous transmission from the first wireless device, or any combination thereof.
    Type: Application
    Filed: August 1, 2022
    Publication date: February 1, 2024
    Inventors: Mohammed Ali Mohammed Hirzallah, Xiaoxia Zhang, Rajat Prakash
  • Patent number: 11889426
    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit a first sensing signal of a radio frequency (RF) sensing procedure at a first transmit power. The UE may receive, from a base station at least in part in response to the first sensing signal, a power control message for sensing signals of the RF sensing procedure. The power control message may indicate a power control strategy for transmitting sensing signals of the RF sensing procedure. The UE may then transmit, at a second transmit power based on the received power control message, a second sensing signal of the RF sensing procedure.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: January 30, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Marwen Zorgui, Srinivas Yerramalli, Wooseok Nam, Yucheng Dai, Tao Luo, Junyi Li, Peter Gaal, Sony Akkarakaran, Rajat Prakash, Roohollah Amiri
  • Patent number: 11889306
    Abstract: Certain aspects provide a method for wireless communication. The method generally includes deriving a network specific identifier (NSI) in a network access identifier (NAI) format, the NSI including a network identifier (NID) stored at the UE, generating a subscription concealed identifier (SUCI) based on the NSI for authentication of the UE with a non-public network (NPN), and sending the SUCI to a network entity for the authentication of the UE with the NPN.
    Type: Grant
    Filed: September 6, 2022
    Date of Patent: January 30, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Anand Palanigounder, Lenaig Genevieve Chaponniere, Sebastian Speicher, Haris Zisimopoulos, Rajat Prakash
  • Patent number: 11888777
    Abstract: Certain aspects of the present disclosure provide techniques for autonomous reference signal transmission configuration. Certain aspects provide a method of receiving a configuration message from the base station, wherein the configuration message comprises an indication of a set of candidate resources for transmitting the reference signal. Certain aspects provide a method of detecting a future downlink transmission from the base station, and other aspects provide a method of transmitting, in response to detecting the future downlink transmission, the reference signal utilizing a first resource of the set of candidate resources prior to receiving the future downlink transmission via a second resource in the set of candidate resources.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: January 30, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Vinay Joseph, Rajat Prakash, Peerapol Tinnakornsrisuphap, Mostafa Khoshnevisan, Piyush Gupta, Junyi Li, Farhad Meshkati
  • Publication number: 20240032132
    Abstract: Methods, systems, and devices for wireless communication at a user equipment (UE) are described. A UE may receive control signaling configuring at least a first UE operation mode and a second UE operation mode. The UE may transmit one or more uplink messages to a base station in the unlicensed radio frequency spectrum band using a first set of parameters according to the first UE operation mode. In some examples, the UE may receive a control message comprising an indication that the UE is to switch from communicating according to the first configured UE operation mode to communicating according to the second configured UE operation mode. The UE may then transmit, in response to the received indication, one or more uplink messages to the base station in the unlicensed radio frequency spectrum band using a second set of parameters according to the second UE operation mode.
    Type: Application
    Filed: March 5, 2021
    Publication date: January 25, 2024
    Inventors: Shaozhen GUO, Xiaoxia ZHANG, Changlong Xu, Jing SUN, Rajat PRAKASH, Ozcan OZTURK
  • Publication number: 20240031780
    Abstract: Methods, systems, and devices for wireless communications are described. An application and an accelerator associated with a distributed unit (DU) may be configured to identify context information comprising a first identifier associated with the accelerator of the DU, a second identifier associated with the application, a third identifier associated with a profile instance associated with the accelerator, a fourth identifier associated with a radio unit associated with the DU, or any combination thereof, and exchange messages with the one another based on the identified context information.
    Type: Application
    Filed: July 7, 2023
    Publication date: January 25, 2024
    Inventors: Andrei Dragos RADULESCU, Timothy CAREY, Faiyaz BAXAMUSA, Kalyan KUPPUSWAMY, Douglas KNISELY, Rajat PRAKASH
  • Publication number: 20240015791
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an uplink grant scheduling an uplink transmission that is not aligned with a fixed frame period (FFP) boundary configured for the UE. The UE may receive downlink control information (DCI) including an indication that the UE is to initiate a channel occupancy time (COT) acquisition in association with transmitting the uplink transmission. The UE may modify the indication based at least in part on the uplink transmission not being aligned with the FFP boundary and the indication indicating that the UE is to initiate the COT acquisition. The UE may transmit the uplink transmission based at least in part on the uplink grant and after the modification of the indication. Numerous other aspects are described.
    Type: Application
    Filed: January 28, 2021
    Publication date: January 11, 2024
    Inventors: Shaozhen GUO, Jing SUN, Changlong XU, Xiaoxia ZHANG, Hao XU, Rajat PRAKASH, Luanxia YANG, Siyi CHEN
  • Publication number: 20240012089
    Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) may obtain a first set of position estimates of the UE based on applying a first positioning model to one or more radio frequency fingerprint positioning (RFFP) measurements. The UE may obtain a second set of position estimates of the UE using a positioning technique that does not use the first positioning model. The UE may transmit a mismatch report, wherein the mismatch report is based on comparing the first set of position estimates with the second set of position estimates.
    Type: Application
    Filed: July 8, 2022
    Publication date: January 11, 2024
    Inventors: Marwen ZORGUI, Mohammed Ali Mohammed HIRZALLAH, Srinivas YERRAMALLI, Taesang YOO, Roohollah AMIRI, Mohammad Tarek FAHIM, Rajat PRAKASH, Xiaoxia ZHANG
  • Publication number: 20230422242
    Abstract: Wireless communication systems and methods related to multiplexing of uplink control information (UCI) and configured grant-UCI (CG-UCI) of different priorities are provided. A user equipment (UE) determines that a physical uplink control channel (PUCCH) resource at least partially overlaps with a configured grant physical uplink shared channel (CG-PUSCH) resource, where the PUCCH resource and the CG-PUSCH resource are associated with different priorities. The UE, based on a threshold number of bits, a number of bits of a low-priority uplink control information (UCI) for multiplexing with at least one of a high-priority CG-PUSCH transmission, a low-priority CG-PUSCH transmission, or a high-priority UCI.
    Type: Application
    Filed: January 14, 2021
    Publication date: December 28, 2023
    Inventors: Shaozhen GUO, Xiaoxia ZHANG, Changlong XU, Jing SUN, Rajat PRAKASH, Hao XU
  • Publication number: 20230421304
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a hybrid automatic repeat request (HARQ) process identifier for a communication between the UE and a base station using a semi-persistent scheduling (SPS) configuration or a configured grant (CG) configuration, wherein the determination of the HARQ process identifier is based at least in part on an offset applied for the determination of the HARQ process identifier; and perform the communication based at least in part on the HARQ process identifier. Numerous other aspects are provided.
    Type: Application
    Filed: June 23, 2023
    Publication date: December 28, 2023
    Inventors: Vinay JOSEPH, Rajat Prakash, Seyed Ali Akbar Fakoorian, Linhai He, Seyedkianoush Hosseini, Umesh Phuyal
  • Publication number: 20230422072
    Abstract: Disclosed are techniques for wireless communication. In an aspect, a receiver device receives, from a network entity, a request to report a power delay profile (PDP) similarity metric for a first positioning frequency layer on a first component carrier and a second positioning frequency layer on a second component carrier; determines a first PDP for a first reference signal received on the first positioning frequency layer and a second PDP for a second reference signal received on the second positioning frequency layer; determines the PDP similarity metric based on the first PDP and the second PDP; and transmits, to the network entity, the PDP similarity metric.
    Type: Application
    Filed: October 27, 2021
    Publication date: December 28, 2023
    Inventors: Srinivas YERRAMALLI, Alexandros MANOLAKOS, Mukesh KUMAR, Xiaoxia ZHANG, Rajat PRAKASH, Mohammad Tarek FAHIM
  • Patent number: 11856489
    Abstract: Methods, devices, and systems for processing uplink broadcast or multicast (“broadcast/multicast”) packets from a user equipment (UE) and distributing the broadcast/multicast packets to other UEs in a network. In some aspects, a UE may receive, from a base station, a downlink packet comprising broadcast or multicast (broadcast/multicast) Ethernet data for a protocol data unit (PDU) session of the UE with a data network (DN) associated with the base station, determining whether the downlink packet corresponds to an uplink packet previously transmitted to the base station by the UE, discarding the downlink packet for the PDU session based on determining that the UE previously transmitted the corresponding uplink packet comprising the broadcast/multicast Ethernet data for the PDU session to the base station, and processing the downlink packet for the PDU session based on determining that the UE did not previously transmit the corresponding uplink packet.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: December 26, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Vinay Joseph, Rajat Prakash, Peerapol Tinnakornsrisuphap, Fatih Ulupinar