Patents by Inventor Sumeeth Nagaraja
Sumeeth Nagaraja 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: 11336407Abstract: Wireless communications systems and methods related to reusing long-term evolution (LTE) resources for new radio (NR) system operations are provided. A UE receives, from a base station, a reference signal configuration of a first network of a long-term evolution (LTE) radio access technology (RAT). The UE and the base station are associated with a second network of another RAT. The reference signal configuration indicates at least a number of antenna ports associated with a reference signal of the first network. The UE determines a location of the reference signal associated with the reference signal configuration and receives, from the base station, a data signal of the second network based at least on the location of the reference signal of the first network.Type: GrantFiled: May 7, 2019Date of Patent: May 17, 2022Assignee: QUALCOMM IncorporatedInventors: Makesh Pravin John Wilson, Tao Luo, Xiao feng Wang, Sony Akkarakaran, Wooseok Nam, Sumeeth Nagaraja, Kaushik Chakraborty, Shengbo Chen
-
Patent number: 11337120Abstract: Methods, systems, and devices for wireless communication are described for a beam-aware handover procedure for multi-beam access systems. A source base station may determine that a handover request is to be sent to a target base station in preparation for handover of a user equipment (UE) from the source base station to the target base station, and transmit the handover request to the target base station with an indication of whether the handover is to be delayed. Alternatively or in addition to, either the target base station or the source base station may generate and transmit a time expiration indicator. The indication of whether the handover is to be delayed or the time expiration indicator may allow either the target base station or the UE to determine whether access parameters for the UE are valid.Type: GrantFiled: March 20, 2018Date of Patent: May 17, 2022Assignee: QUALCOMM IncorporatedInventors: Karl Georg Hampel, Sumeeth Nagaraja, Ravi Agarwal, Bilal Sadiq, Tao Luo
-
Publication number: 20220123892Abstract: Various aspects of the disclosure relate to techniques associated with the acquisition of reference signals. In some aspects, a network may request a user equipment (UE) to measure a timing difference between neighbor cells and use that information to generate a CSI-RS configuration. The network sends the CSI-RS configuration to the UE to enable the UE to acquire a CSI-RS from a neighbor cell. In some aspects, a network may send timing-related information to a neighbor cell and the neighbor cell uses that information to transmit a CSI-RS.Type: ApplicationFiled: December 23, 2021Publication date: April 21, 2022Inventors: Sumeeth NAGARAJA, Tao LUO, Sony AKKARAKARAN, Alexandros MANOLAKOS
-
Patent number: 11310009Abstract: Various aspects of the disclosure relate to techniques associated with the acquisition of reference signals. In some aspects, a network may request a user equipment (UE) to measure a timing difference between neighbor cells and use that information to generate a CSI-RS configuration. The network sends the CSI-RS configuration to the UE to enable the UE to acquire a CSI-RS from a neighbor cell. In some aspects, a network may send timing-related information to a neighbor cell and the neighbor cell uses that information to transmit a CSI-RS.Type: GrantFiled: May 3, 2018Date of Patent: April 19, 2022Assignee: QUALCOMM IncorporatedInventors: Sumeeth Nagaraja, Tao Luo, Sony Akkarakaran, Alexandros Manolakos
-
Patent number: 11304188Abstract: Aspects of the present disclosure relate to wireless communications and, more particularly, multi-link PDCCH monitoring. A UE may receive signaling configuring it to operate in at least one of a set of different modes of monitoring beam-pair links, wherein each beam-pair link comprises a transmit beam configured to be used by a base station (BS) for beamformed transmissions and a corresponding receive beam used by the UE. The UE may monitor at least two or more beam-pair links for downlink control channel transmissions based, at least in part, on the received signaling, and may transmit feedback to the BS based, at least in part, on the monitored beam-pair links.Type: GrantFiled: November 15, 2019Date of Patent: April 12, 2022Assignee: QUALCOMM IncorporatedInventors: Makesh Pravin John Wilson, Tao Luo, Sony Akkarakaran, Xiao Feng Wang, Sumeeth Nagaraja, Kaushik Chakraborty, Wooseok Nam, Shengbo Chen
-
Patent number: 11297519Abstract: Certain aspects of the present disclosure provide procedures for new radio (NR) cell measurement. According to certain aspects, a method of wireless communication by a user equipment (UE) is provided. The method generally includes receiving one or more downlink signals from a cell, wherein the cell is of a first cell type that supports a first set of functions or a second cell type that supports a second set of functions, wherein the second set of functions is different than the first set of functions; determining a cell type of the cell based on the one or more downlink signals; and communicating with the cell based on the determination.Type: GrantFiled: December 30, 2016Date of Patent: April 5, 2022Assignee: QUALCOMM IncorporatedInventors: Keiichi Kubota, Sumeeth Nagaraja, Tao Luo, Gavin Bernard Horn, Haitong Sun, Ravi Agarwal
-
Patent number: 11290228Abstract: Aspects of the present disclosure relate to wireless communications and, more particularly, to semi-persistent configuration of reference signals (RSs), such as measurement reference signals (MRSs) for beam refinement. An example method generally includes transmitting, to a user equipment (UE), a reference symbol (RS) configuration, wherein transmitting the RS configuration is independent of activating RS training for the UE, transmitting, to the UE, a message indicating an activation of RS training subsequent to transmitting the RS configuration, transmitting RSs to the UE periodically based on the RS configuration, and receiving, from the UE, measurement reports based on the transmitted RS.Type: GrantFiled: June 24, 2019Date of Patent: March 29, 2022Assignee: QUALCOMM IncorporatedInventors: Sumeeth Nagaraja, Tao Luo, Sony Akkarakaran, Kaushik Chakraborty, Makesh Pravin John Wilson
-
Patent number: 11283490Abstract: A user equipment apparatus determines whether a transmission is received from a base station within a time window and skips measurement of a reference signal during a subsequent period, when a transmission is received from the base station within the time window. A base station apparatus configures a UE to monitor one or more reference signals associated with a beam pair link and transmits a first signal in a transmission to the UE. The base station determines whether the transmission is received at the UE within a time window and determines whether to transmit a reference signal, based on whether the transmission is received at the UE within the time window. Upon determining that the transmission was received at the UE, the base station may skip transmission of the reference signal or modify a time, a frequency, a power, and/or a reference signal offset for the reference signal.Type: GrantFiled: June 4, 2019Date of Patent: March 22, 2022Assignee: QUALCOMM IncorporatedInventors: Sumeeth Nagaraja, Tao Luo, Kaushik Chakraborty, Sony Akkarakaran, Makesh Pravin John Wilson, Shengbo Chen
-
Patent number: 11283575Abstract: Networks that support 5G communication may support different numerologies across and even within a symbol, slot, or subframe. Sequences, such as reference signals or data scrambled with a scrambling code, may be transmitted on resources with such mixed numerologies. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a user equipment. The UE may be configured to receive an indication of assigned resources for communicating with a base station. The UE may also be configured to determine a numerology associated with the assigned resources, and to determine one or more indices based on the numerology. The UE may also generate a sequence based on the one or more indices and communicate with the base station based on the sequence.Type: GrantFiled: September 22, 2017Date of Patent: March 22, 2022Assignee: QUALCOMM IncorporatedInventors: Tao Luo, Makesh Pravin John Wilson, Sumeeth Nagaraja, Sony Akkarakaran
-
Patent number: 11277869Abstract: A user equipment (UE) may initiate a random access (RACH) procedure using an uplink resource selected based on a corresponding received synchronization signal block. The UE may detect a random access procedure trigger. The UE may configure a selection threshold time. The selection threshold time may be based at least in part on a latency requirement of the UE. The UE may select a synchronization signal block having a corresponding uplink resource within the selection threshold time. The synchronization signal block and corresponding uplink resource satisfy one or more parameters or conditions. The UE may transmit a random access preamble on the corresponding uplink resource.Type: GrantFiled: July 25, 2018Date of Patent: March 15, 2022Assignee: QUALCOMM IncorporatedInventors: Sumeeth Nagaraja, Muhammad Nazmul Islam, Sundar Subramanian, Tao Luo, Peng Cheng
-
Publication number: 20220077917Abstract: Certain aspects of the present disclosure provide to techniques for radio link monitoring (RLM), detecting beam failure, and beam failure recovery (BFR) using radio link monitoring reference signal (RML-RS) resources and beam failure recovery reference signal (BFR-RS) resources. An exemplary method by a user equipment (UE) may include obtaining a first configuration indicating one or more radio link monitoring reference signal (RLM-RS) resources and one or more beam failure recovery reference signal (BFR-RS) resources, wherein each RLM-RS resource corresponds to at least a first link, and each BFR-RS resource corresponds to at least a second link, obtaining a first indication that a first link quality for the first link is below a first threshold and a second link quality for the second link is above a second threshold, and taking action regarding a radio link failure (RLF) based on the indication.Type: ApplicationFiled: November 18, 2021Publication date: March 10, 2022Inventors: Sumeeth NAGARAJA, Tao LUO
-
Patent number: 11272434Abstract: Methods and apparatuses are provided which may be implemented in a base station, user equipment, and/or the like, to share information supportive of narrow beam transmissions. For example, a base station may be configured to access a neighbor cell list corresponding to a coverage area, determine a subset of the neighbor cell list corresponding to a first narrow beam to be transmitted, and transmit a message indicative of the subset of the neighbor cell list. In another example, a user equipment may be configured to receive a message indicative of a subset of a neighbor cell list for a portion of a coverage area of a base station corresponding to a first narrow beam, and search for one or more wireless signals based, at least in part, on the subset of the neighbor cell list.Type: GrantFiled: August 20, 2019Date of Patent: March 8, 2022Assignee: QUALCOMM IncorporatedInventors: Yan Zhou, Sumeeth Nagaraja, Tao Luo
-
Patent number: 11272429Abstract: Certain aspects of the present disclosure relate to methods and apparatus for limiting UE capability information reported in a network. For example, a method of wireless communications by a first base station may include transmitting a first set of initial access signals in different directions, receiving a second set of one or more signals from a user equipment (UE) in response to the first set of initial access signals, and initiating transmission of, or conveying configuration of, a third set of reference signals with an indication of their corresponding directions, based on reception of the second set of signals.Type: GrantFiled: February 12, 2018Date of Patent: March 8, 2022Assignee: QUALCOMM IncorporatedInventors: Muhammad Nazmul Islam, Sundar Subramanian, Bilal Sadiq, Juergen Cezanne, Ashwin Sampath, Sumeeth Nagaraja
-
Patent number: 11265742Abstract: Certain aspects of the present disclosure relate to methods and apparatus for radio link monitoring with BWPs and interference measurements using communications systems operating according to new radio (NR) technologies. Certain aspects provide a method for wireless communication. The method generally includes determining one or more bandwidth parts (BWPs) for radio link monitoring (RLM) based on one or more signals; and configuring a user equipment (UE) to monitor the one or more signals on the one or more BWPs within a maximum channel bandwidth.Type: GrantFiled: May 14, 2018Date of Patent: March 1, 2022Assignee: QUALCOMM IncorporatedInventors: Sumeeth Nagaraja, Peter Gaal, Wanshi Chen, Tao Luo, Heechoon Lee
-
Patent number: 11265880Abstract: Certain aspects of the present disclosure provide techniques for using beam sets for mobility management. A BS serving the UE may transmit, to the UE, information regarding one or more beam sets, wherein each of the beam sets comprise one or more reference beams used to transmit a reference signal. The BS may transmit, to the UE, one or more mobility parameters, wherein the mobility parameters are associated with the reference beams and one or more mobility event triggers. The BS may receive, from the UE, an indication of a detected mobility event, the mobility event is detected based, at least in part, on the mobility parameters. The BS may take one or more actions based, at least in part, on the indication. A UE may perform corresponding steps as described herein.Type: GrantFiled: September 19, 2017Date of Patent: March 1, 2022Assignee: QUALCOMM IncorporatedInventors: Sumeeth Nagaraja, Tao Luo, Makesh Pravin John Wilson, Sony Akkarakaran
-
Patent number: 11259320Abstract: Methods, systems, and devices for wireless communication are described. Uplink random access channel (RACH) transmissions may be sent on multiple beams by a user equipment (UE). For example, a UE may transmit a random access preamble to a base station in a first RACH transmission, and the base station may respond with a random access response in a second RACH transmission. The second RACH transmission may include an indication for the UE to use multiple transmit beams for a third RACH transmission. Using the indication received from the base station, the UE may proceed to use the indicated two or more beams when sending the third RACH transmission to the base station. Upon receiving the third RACH transmission from the UE, the base station may respond with a fourth RACH transmission, which may further include an indication to the UE to transmit an acknowledgment using one or more beams.Type: GrantFiled: July 19, 2018Date of Patent: February 22, 2022Assignee: QUALCOMM IncorporatedInventors: Makesh Pravin John Wilson, Tao Luo, Sony Akkarakaran, Sumeeth Nagaraja, Wooseok Nam, Shengbo Chen, Xiao Feng Wang, Juan Montojo
-
Patent number: 11259268Abstract: Methods, systems, and devices for wireless communications are described. A base station may transmit, within system information, a paging mechanism indication identifying one or more paging mechanisms supported by a network. The base station may transmit a paging grant in accordance with one of the one or more paging mechanisms supported by the network. The base station may transmit a paging message to a user equipment (UE) in accordance with the one of the one or more paging mechanisms supported by the network.Type: GrantFiled: January 17, 2019Date of Patent: February 22, 2022Assignee: QUALCOMM IncorporatedInventors: Muhammad Nazmul Islam, Tao Luo, Xiao Feng Wang, Sumeeth Nagaraja, Yan Zhou
-
Uplink transmission parameter selection during random access message transmission and retransmission
Patent number: 11252756Abstract: Methods, systems, and devices for wireless communication are described for selecting different uplink transmission parameters for transmission or retransmission of a random access message. A user equipment (UE) may transmit or retransmit a random access message such as a layer 2 or layer 3 (L2/L3) message to a base station during a random access procedure. The UE may select a transmission beam, uplink resource or transmission power for the transmission of the L2/L3 message that differ from those used for transmission of a previous random access message. The selection may be based on path loss associated with synchronization signals or previous transmissions. The selection may also be based on a maximum number of retransmissions.Type: GrantFiled: October 16, 2019Date of Patent: February 15, 2022Assignee: QUALCOMM IncorporatedInventors: Muhammad Nazmul Islam, Junyi Li, Tao Luo, Sumeeth Nagaraja -
Patent number: 11184848Abstract: Methods, systems, and devices for wireless communication are described. A base station may identify that data is available to be transmitted to a user equipment (UE) that is operating in a discontinuous reception (DRX) mode. The base station may configure a plurality of UE-specific reference signals for transmission to the UE, each UE-specific reference signal indicating a UE identifier and an availability of data for the UE. The UE may receive the UE-specific reference signal, and identify that data is available for the UE from the base station. The UE may then transmit a beam recovery signal to the base station that includes an identifier for the transmit beam used by the UE to transmit the beam recovery signal. The base station may transmit, using a beam sweeping configuration, the plurality of UE-specific reference signals.Type: GrantFiled: July 11, 2018Date of Patent: November 23, 2021Assignee: QUALCOMM IncorporatedInventors: Muhammad Nazmul Islam, Sumeeth Nagaraja, Jianghong Luo, Sundar Subramanian, Ashwin Sampath
-
Patent number: 11184080Abstract: Certain aspects of the present disclosure provide to techniques for radio link monitoring (RLM), detecting beam failure, and beam failure recovery (BFR) using radio link monitoring reference signal (RML-RS) resources and beam failure recovery reference signal (BFR-RS) resources. An exemplary method by a user equipment (UE) may include obtaining a first configuration indicating one or more radio link monitoring reference signal (RLM-RS) resources and one or more beam failure recovery reference signal (BFR-RS) resources, wherein each RLM-RS resource corresponds to at least a first link, and each BFR-RS resource corresponds to at least a second link, obtaining a first indication that a first link quality for the first link is below a first threshold and a second link quality for the second link is above a second threshold, and taking action regarding a radio link failure (RLF) based on the indication.Type: GrantFiled: September 7, 2018Date of Patent: November 23, 2021Assignee: QUALCOMM IncorporatedInventors: Sumeeth Nagaraja, Tao Luo