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).
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Patent number: 12382523Abstract: This disclosure provides systems, methods and apparatuses for using a media access control (MAC) control element (CE) for dynamic RLC entities selection. In one aspect, a base station (BS) may generate and transmit the control message to a user equipment (UE) to identify active radio link control (RLC) entities, a primary RLC entity, or other parameters relating to packet data convergence protocol (PDCP) duplication-based communication. In this case, the UE may use the control message to select an RLC entity and may transmit protocol data units (PDUs) to the BS using a data radio bearer (DRB) and the selected RLC entity.Type: GrantFiled: March 6, 2020Date of Patent: August 5, 2025Assignee: QUALCOMM IncorporatedInventors: Vinay Joseph, Ruiming Zheng, Sitaramanjaneyulu Kanamarlapudi, Ozcan Ozturk, Rajat Prakash
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Publication number: 20250247759Abstract: Methods, systems, and devices for wireless communication are described. The techniques described herein relate an assisted handover through reference signal received power (RSRP) prediction. A user equipment (UE) may receive configuration information indicative of a first handover condition for handover of the UE from a serving network entity to a target network entity. The UE transmits a measurement report before the expiration of the handover preparation condition monitoring period and it is based on application of a DT model. The UE may transmit, before expiration of the handover preparation condition monitoring period, the handover-associated measurement report based on the satisfaction of a first handover condition during the handover preparation condition monitoring period. The UE may participate in a handover operation based on transmission of the handover-associated measurement report.Type: ApplicationFiled: January 26, 2024Publication date: July 31, 2025Inventors: Mohammad Tarek FAHIM, Roohollah AMIRI, Srinivas YERRAMALLI, Arumugam CHENDAMARAI KANNAN, Rajat PRAKASH, Xiaoxia ZHANG
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Publication number: 20250244461Abstract: In an aspect, a sensing node may obtain one or more multipath measurements of one or more sensing signals associated with one or more radio propagation paths. The sensing node may obtain radio propagation paths information associated with the one or more radio propagation paths based on the one or more multipath measurements. The sensing node may report, to a sensing entity, the one or more multipath measurements and the radio propagation paths information associated with the one or more radio propagation paths.Type: ApplicationFiled: January 25, 2024Publication date: July 31, 2025Inventors: Mohammed Ali Mohammed HIRZALLAH, Xiaoxia ZHANG, Rajat PRAKASH, Marwen ZORGUI, Mohammad Tarek FAHIM, Srinivas YERRAMALLI
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Patent number: 12375954Abstract: Methods, systems, and devices for wireless communications are described. The method may include the user equipment (UE) receiving control signaling indicating a set of schemes for reporting an environmental state associated with the UE and measuring one or more channel characteristics according to a scheme of the set of schemes. Moreover, the UE may transmit a report indicating the environmental state associated with the UE based on measuring the one or more channel characteristics. A machine learning model implemented by the UE, a network entity, or both is based on the indicated environmental state associated with the UE.Type: GrantFiled: June 10, 2022Date of Patent: July 29, 2025Assignee: QUALCOMM IncorporatedInventors: Mohammed Ali Mohammed Hirzallah, Rajat Prakash, Srinivas Yerramalli
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Publication number: 20250240647Abstract: Disclosed are techniques for communication. In an aspect, a network component determines that a level of heterogeneity associated with a network layer of a hierarchical network layer arrangement with multiple network layers is above a threshold. In some designs, the heterogeneity level determination may be based on heterogeneity metric(s) reported by device(s) associated with the network layer. The network component may transmit, to at least one device associated with the network layer in response to the heterogeneity level determination, a data reporting instruction associated with the network layer. The network component receives data associated with the network layer from the at least one device in accordance with the data reporting instruction.Type: ApplicationFiled: March 24, 2023Publication date: July 24, 2025Inventors: Srinivas YERRAMALLI, Eren BALEVI, Taesang YOO, Rajat PRAKASH
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Patent number: 12369024Abstract: 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: GrantFiled: December 27, 2023Date of Patent: July 22, 2025Assignee: QUALCOMM IncorporatedInventors: Linhai He, Gavin Bernard Horn, Soo Bum Lee, Miguel Griot, Hwan Joon Kwon, Jing Lei, Peter Pui Lok Ang, Rajat Prakash
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Publication number: 20250234322Abstract: A user equipment (UE) may receive a positioning model registration message. The positioning model registration message may include a set of positioning model IDs and an indicator of a set of positioning model configurations. Each of the set of positioning model IDs may be associated with at least one of the set of positioning model configurations. The UE may receive a set of positioning signals. The UE may measure the set of positioning signals. The UE may select a positioning model ID from the set of positioning model IDs based on the set of positioning model configurations and an environmental attribute of the UE. The UE may calculate a set of positioning model outputs based on the measured set of positioning signals and a positioning model associated with the selected positioning model ID.Type: ApplicationFiled: January 11, 2024Publication date: July 17, 2025Inventors: Mohammed Ali Mohammed HIRZALLAH, Taesang YOO, Rajat PRAKASH
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Publication number: 20250226938Abstract: Aspects of the disclosure are directed to signaling of a quasi-model relation (QML) between machine-learning (ML)-based UE position estimation models. In this way, only certain parts of the entire (potentially large) ML-based user equipment (UE) positioning models need be communicated (e.g., differences between a signaled ML-based UE positioning model and a reference ML-based UE positioning model). Such aspects may provide various technical advantages, such as reducing network overhead, fast and simple model relation indication, fast and simple model life cycle management (LCM), and so on.Type: ApplicationFiled: January 4, 2024Publication date: July 10, 2025Inventors: Mohammed Ali Mohammed HIRZALLAH, Rajat PRAKASH, Taesang YOO
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Patent number: 12355633Abstract: Methods, systems, and devices for wireless communications are described. In some examples, a wireless communications system may support machine learning and may configure a user equipment (UE) for machine learning. The UE may transmit, to a base station, a request message that includes an indication of a machine learning model or a neural network function based at least in part on a trigger event. In response to the request message, the base station may transmit a machine learning model, a set of parameters corresponding to the machine learning model, or a configuration corresponding to a neural network function and may transmit an activation message to the UE to implement the machine learning model and the neural network function.Type: GrantFiled: January 18, 2024Date of Patent: July 8, 2025Assignee: QUALCOMM IncorporatedInventors: Xipeng Zhu, Gavin Bernard Horn, Vanitha Aravamudhan Kumar, Vishal Dalmiya, Shankar Krishnan, Rajeev Kumar, Taesang Yoo, Eren Balevi, Aziz Gholmieh, Rajat Prakash
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Patent number: 12356358Abstract: Disclosed are techniques for wireless communication. In an aspect, a position estimation entity, obtains first timing information that is associated with a first time-of-arrival (TOA) measurement of a first reference signal for positioning (RS-P) as communicated between a target user equipment (UE) and a base station with a first time basis, obtains second timing information that is associated with a second TOA measurement of a second RS-P as communicated between the target UE and a reference UE associated with a known location and having a second time basis that is different than the first time basis, determines a bias between the first time basis and the second time basis, and determines a position estimate of the target UE via a time differential of arrival (TDOA) positioning technique based at least in part upon the first timing information, the second timing information, and the bias.Type: GrantFiled: June 9, 2021Date of Patent: July 8, 2025Assignee: QUALCOMM IncorporatedInventors: Srinivas Yerramalli, Rajat Prakash, Marwen Zorgui, Piyush Gupta, Junyi Li, Xiaoxia Zhang, Mohammad Tarek Fahim, Xiaojie Wang
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Publication number: 20250219788Abstract: In an aspect, a UE and BS communicate data traffic in accordance with a first bandwidth part (BWP) configuration. The BS sends, to the UE in association with communication of a plurality of reference signals for positioning (e.g., PRS, SRS-P, etc.), an indication of a second BWP configuration that includes a different bandwidth than the first BWP configuration. The UE and BS communicate, for a duration of the communication of the plurality of reference signals for positioning, at least the plurality of reference signals for positioning in accordance with the second BWP configuration.Type: ApplicationFiled: March 20, 2025Publication date: July 3, 2025Inventors: Srinivas YERRAMALLI, Xiaoxia ZHANG, Rajat PRAKASH, Marwen ZORGUI, Alexandros MANOLAKOS, Mukesh KUMAR
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Patent number: 12349079Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine a power mode of a base station based at least in part on a control resource set (e.g., CORESET0) configuration index received in a master information block from the base station and transmit communications to the base station with a transmit power that is based at least in part on the power mode of the base station. Numerous other aspects are provided.Type: GrantFiled: July 17, 2020Date of Patent: July 1, 2025Assignee: QUALCOMM IncorporatedInventors: Siyi Chen, Changlong Xu, Jing Sun, Xiaoxia Zhang, Hao Xu, Rajat Prakash
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Publication number: 20250212091Abstract: A method for configuring a sensing node for a sensing session includes: transmitting one or more target path reporting capability messages indicating a capability of the sensing node to obtain measurements corresponding to one or more target paths that comprise one or more paths of one or more reference signals transmitted by one or more transmitting nodes, reflected by one or more targets, and detected by the sensing node; receiving one or more target path reporting configuration messages to configure the sensing node to obtain one or more target path measurements corresponding to the target path(s); obtaining the target path measurement(s) corresponding to the target path(s) detected by the sensing node without synchronization of a clock of the sensing node with one or more clocks of the transmitting node(s); and transmitting, to a network entity, one or more target path measurement reports corresponding to the target path(s).Type: ApplicationFiled: December 26, 2023Publication date: June 26, 2025Inventors: Marwen ZORGUI, Srinivas YERRAMALLI, Rajat PRAKASH, Mohammed Ali Mohammed HIRZALLAH
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Publication number: 20250212168Abstract: In some implementations, a first user equipment (UE) may obtain, a positioning configuration related to the SL positioning session. The first UE may perform one or more measurements of one or more radio frequency (RF) signals at the first UE in accordance with the positioning configuration, wherein the one or more measurements are performed to determine a location of: the first UE, one or more target UEs other than the first UE, or both. The first UE may send a message indicative of the one or more measurements, wherein the message is sent via multicast wireless communication from the first UE to a group of devices comprising a plurality of other UEs.Type: ApplicationFiled: April 24, 2023Publication date: June 26, 2025Inventors: Marwen ZORGUI, Srinivas YERRAMALLI, Piyush GUPTA, Alexandros MANOLAKOS, Mukesh KUMAR, Rajat PRAKASH
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Patent number: 12341714Abstract: The present disclosure relates to methods and devices for wireless communication including an apparatus, e.g., a UE and/or a base station. In one aspect, the apparatus may transmit a list of a plurality of CCs for a transmission of at least one PDCP PDU, the plurality of CCs corresponding to a plurality of indicated CCs. The apparatus may also transmit the at least one PDCP PDU on one or more CCs of the plurality of CCs. Additionally, the apparatus may determine whether to retransmit the at least one PDCP PDU, a retransmission of the at least one PDCP PDU being associated with a PDCP duplication procedure. The apparatus may also select one or more CCs of the plurality of CCs for the retransmission of the at least one PDCP PDU.Type: GrantFiled: August 13, 2020Date of Patent: June 24, 2025Assignee: QUALCOMM IncorporatedInventors: Luanxia Yang, Changlong Xu, Jing Sun, Xiaoxia Zhang, Rajat Prakash, Hao Xu
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Publication number: 20250193812Abstract: Certain aspects of the present disclosure provide techniques for wireless communication by an apparatus. A method includes receiving a synchronization signal, the synchronization signal including timing information associated with a directional beam sweep procedure, and power threshold information indicating beam power criteria evaluated during the directional beam sweep procedure; receiving, from the directional beam sweep, a first directional beam in accordance with the timing information, the first directional beam providing radio frequency energy for energy harvesting by the apparatus; measuring an amount of power associated with the first directional beam; comparing the measured amount of power to the power threshold information; and providing a feedback signal, wherein the contents of the feedback signal are based on the comparison with the power threshold information associated with the directional beam sweep.Type: ApplicationFiled: December 8, 2023Publication date: June 12, 2025Inventors: Raviteja PATCHAVA, Piyush GUPTA, Rajat PRAKASH
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Patent number: 12328209Abstract: Techniques are provide for neural network based positioning of a mobile device. An example method for measuring a channel in a wireless communication system includes: receiving reference signal information; determining one or more channel frequency responses based on the reference signal information and one or more timing hypotheses; determining one or more channel impulse responses comprising a channel impulse response for each of the one or more channel frequency responses; processing the one or more channel impulse responses with a neural network; and determining an output of the neural network.Type: GrantFiled: May 30, 2024Date of Patent: June 10, 2025Assignee: QUALCOMM IncorporatedInventors: Srinivas Yerramalli, Xiaoxia Zhang, Taesang Yoo, Rajat Prakash
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Publication number: 20250175297Abstract: Method and apparatus for switching between SS-TWR and DS-TWR. The apparatus reserves resources for transmission of a first SL-PRS in a first time slot. The apparatus transmits, to a second UE, the first SL-PRS within the first time slot. The apparatus receives, from the second UE, a second SL-PRS at a second time based on the first time slot and a response time associated with transmission of the second SL-PRS in response to the first SL-PRS. The apparatus measures a time difference between the transmission of the first SL-PRS and reception of the second SL-PRS to determine if a third SL-PRS is to be transmitted to the second UE.Type: ApplicationFiled: January 27, 2025Publication date: May 29, 2025Inventors: Srinivas YERRAMALLI, Piyush GUPTA, Xiaoxia ZHANG, Alexandros MANOLAKOS, Rajat PRAKASH, Junyi LI, Mukesh KUMAR
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Publication number: 20250172664Abstract: Disclosed are techniques for wireless communication. In an aspect, a first sensing node may obtain measurements of one or more paths of one or more first sensing reference signals associated with a second sensing node over a first wireless channel. The first sensing node may transmit, to a sensing entity, a first measurement report including a first channel target indicator (CTI) associated with the first wireless channel. In some cases, the first CTI indicates that the first wireless channel is estimated to include reflections from a target or that the first wireless channel is estimated to include clutter reflections absent target reflections.Type: ApplicationFiled: November 28, 2023Publication date: May 29, 2025Inventors: Marwen ZORGUI, Yun CHEN, Srinivas YERRAMALLI, Rajat PRAKASH
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Patent number: 12313757Abstract: Positioning of one or more user equipments (UEs) is performed using broadcast common sounding reference signals (SRS) resources for positioning. The common SRS that is broadcast by a UE is received and measured by one or more base stations and one or more other UEs. The other UEs may have known positions and may server as anchor nodes for positioning. The other UEs may have known positions and may serve as a positioning (anchor) node or may have unknown positions and may be jointly positioned with the target UE. During joint positioning, each of the other UEs may similarly broadcast a common set of SRS that is received and measured by the base stations and other UEs for positioning. An angular measurement of the SRS broadcast by one or more UEs may be measured and used to resolve minor symmetry in positioning solutions.Type: GrantFiled: August 1, 2023Date of Patent: May 27, 2025Assignee: QUALCOMM IncorporatedInventors: Piyush Gupta, Srinivas Yerramalli, Rajat Prakash, Xiaoxia Zhang, Junyi Li, Xiaojie Wang, Marwen Zorgui