Patents by Inventor Lakshmi R. Iyer
Lakshmi R. Iyer 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: 12184368Abstract: The present application is at least directed to an apparatus including a non-transitory memory with stored instructions for beam link pairing the apparatus to a gNB in a new radio. A processor of the apparatus, operably coupled to the non-transitory memory, executes an instruction of detecting synchronization signal blocks (SS). Another executed instruction includes receiving PRACH resource information in a master information block on a PBCH or system information block (SIB) on the secondary PBCH. Another executed instruction includes transmitting PRACH preambles through a set of uplink transmission beams in a subframe including the group of SS blocks. The PRACH preambles may be obtained from the PRACH resource information. Even another executed instruction including determining the apparatus is in a radio resource control (RRC) connected state.Type: GrantFiled: December 1, 2021Date of Patent: December 31, 2024Assignee: InterDigital Patent Holdings, Inc.Inventors: Allan Y. Tsai, Guodong Zhang, Qing Li, Lakshmi R. Iyer, Pascal M. Adjakple, Joseph M. Murray
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Patent number: 12177868Abstract: Methods and apparatuses are described herein for Intra-UE Prioritization in uplink (UL) transmissions. In an example, an apparatus may receive first information indicating a first uplink grant associated with a first transmission and second information indicating a second uplink grant associated with a second transmission. The apparatus may determine, based on the first information and the second information, that the first transmission and the second transmission overlap at least partially in time. The apparatus may determine a first priority associated with the first transmission and a second priority associated with the second transmission. The apparatus may then cause, based at least in part on the first priority and the second priority, at least one of: prioritization of one transmission over another transmission, or preemption of the first transmission by the second transmission.Type: GrantFiled: June 28, 2024Date of Patent: December 24, 2024Assignee: InterDigital Patent Holdings, Inc.Inventors: Lakshmi R. Iyer, Stephen E. Terry, Patrick Svedman, Qing Li, Yifan Li, Pascal M. Adjakple, Guodong Zhang, Allan Y. Tsai, Mohamed Awadin
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Publication number: 20240422791Abstract: Disclosed herein are methods, systems, and devices that are associated with downlink (DL) control, grant free (GF) transmission, or initial access. Particularly, disclosed herein are multi beam physical downlink control channel (PDCCH) transmission mechanisms, grant free transmissions mechanisms, demodulation reference signal (DMRS) for physical broadcast channel (PBCH) mechanisms, and DMRS sequence design for new radio-channel state information-reference signal (NR-CSI-RS) and new radio-physical downlink shared channel (PDSCH) (NR-PDSCH), among other things.Type: ApplicationFiled: August 26, 2024Publication date: December 19, 2024Applicant: InterDigital Patent Holdings, Inc.Inventors: Lakshmi R. Iyer, Guodong Zhang, Qing Li, Allan Y. Tsai, Yifan Li, Pascal M. Adjakple, Joseph M. Murray
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Publication number: 20240414804Abstract: The present application describes a WTRU including a non-transitory memory including instructions stored thereon for re-establishing a remote radio control (RRC) connection with a base station. The apparatus also includes a processor capable of executing instructions of determining, based upon a measurement in an active downlink bandwidth part (DL BWP), to initiate a random access channel (RACH) procedure. The processor also executes instructions of switching to a default uplink bandwidth part (UL BWP). The processor also executes instructions of initiating the RACH procedure. The process further executes instructions of transmitting a RA preamble using one of the RACH resources configured for the default UL BWP. The processor even further executes instructions of receiving a RA response. The processor yet even further executes instructions of switching from the default UL BWP to either an active UL BWP or another active UL BWP after re-establishing the RRC connection.Type: ApplicationFiled: August 19, 2024Publication date: December 12, 2024Applicant: InterDigital Patent Holdings, Inc.Inventors: Allan Y. Tsai, Guodong Zhang, Qing Li, Lakshmi R. Iyer, Yifan Li, Joseph M. Murray, Pascal M. Adjakple
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Patent number: 12167329Abstract: Methods, systems, and devices may assist in power saving in new radio. For example, enable power savings during the connected mode discontinuous reception cycle of the RRC_CONNECTED state of a user equipment.Type: GrantFiled: July 17, 2019Date of Patent: December 10, 2024Assignee: InterDigital Patent Holdings, Inc.Inventors: Lakshmi R. Iyer, Pascal M. Adjakple, Qing Li, Guodong Zhang, Joseph M. Murray, Yifan Li, Allan Y. Tsai, Mohamed Awadin, Patrick Svedman
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Patent number: 12167448Abstract: A radio device may receive network assistance information relating to uplink channel access procedures, such as channel access types and related listen-before-talk techniques, via layer one signaling or higher layer signaling. For example, information may be provided via DCI, MAC CE, or RRC messaging, e.g,, received in a CORESET preceding the configured PRACH resources. Access procedures may be random access procedures, and may include indication via R.AR messaging. Access procedures may be triggered by a radio access point message, such as a PDCCH order or a handover request.Type: GrantFiled: May 9, 2019Date of Patent: December 10, 2024Assignee: Interdigital Patent Holdings, Inc.Inventors: Joseph M. Murray, Pascal M. Adjakple, Lakshmi R. Iyer, Mohamed Awadin, Qing Li, Jan R. Johansson, Stephen E. Terry
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Publication number: 20240406863Abstract: Methods, systems, and devices may enable UE power savings in multi-beam connectivity using multi-TRPs or multi-UE panels. Methods, systems, and devices may enable PDCCH skipping in the active duration of the UE by skipping PDCCH monitoring associated with groups of CORESETs.Type: ApplicationFiled: August 13, 2024Publication date: December 5, 2024Applicant: InterDigital Patent Holdings, Inc.Inventors: Lakshmi R. Iyer, Qing Li, Patrick Svedman, Guodong Zhang, Mohamed Awadin, Yifan Li, Allan Y. Tsai, Pascal M. Adjakple
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Patent number: 12160911Abstract: A method of multi-hop relay chain formation in a wireless communication network includes discovering, via a remote electronic device, one or more other electronic devices in communication range of the remote electronic device; selecting one of the discovered electronic devices as an relay electronic device for communicating in the multi-hop relay chain; after selecting the relay electronic device, transmitting, via the remote electronic device, a request to establish a PC5 link; and establishing the PC5 link with the remote electronic device to join or form the multi-hop relay chain within the wireless communication network.Type: GrantFiled: May 1, 2020Date of Patent: December 3, 2024Assignee: InterDigital Patent Holdings, Inc.Inventors: Hongkun Li, Michael F. Starsinic, Quang Ly, Jiwan L. Ninglekhu, Catalina Mihaela Mladin, Pascal M. Adjakple, Lakshmi R. Iyer, Joseph M. Murray
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Publication number: 20240389106Abstract: Different sidelink resource configurations and allocation schemes may be controlled by an interface, such as the Uu interface. The radio resource control configurations may include dynamic assignment of broadcast sidelink transmission, unicast sidelink transmission, or group sidelink transmission. There may be radio resource control configured static resource allocation for broadcast sidelink transmission, unicast sidelink transmission, or group sidelink transmission.Type: ApplicationFiled: July 26, 2024Publication date: November 21, 2024Applicant: InterDigital Patent Holdings, Inc.Inventors: Yifan Li, Pascal M. Adjakple, Qing Li, Allan Y. Tsai, Guodong Zhang, Lakshmi R. Iyer, Mohamed Awadin, Joseph M. Murray
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Patent number: 12150146Abstract: New radio download numerology allocation information may be obtained through master information block data, system information block data, radio resource control signals, or signals or a physical downlink numerology indication channel, and used along with a reference signal detected in a search space to obtain resource element positions in an antenna port reference signal in a resource block that belongs to a particular band slice according to a reference signal allocation scheme for a band slice numerology. A physical download control may then be decoded based upon one or more resource elements of the reference signal, allowing the connection of, e.g., an enhanced mobile broadband, massive machine type communication, or ultra-reliable/low-latency application to a communications network thereby. Alternatively, multiple physical downlink control channels may be blindly demodulated at each of a number calculated reference signal locations, and one channel selected based on passing a cyclic redundancy check.Type: GrantFiled: March 31, 2023Date of Patent: November 19, 2024Assignee: InterDigital Patent Holdings, Inc.Inventors: Allan Y. Tsai, Lakshmi R. Iyer, Guodong Zhang, Qian Zhang, Pascal M. Adjakple, Qing Li, Joseph M. Murray, Tianyi Xu, Wei Chen, Ahmed ElSamadouny, Salman Khan, Yifan Li
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Patent number: 12149317Abstract: Methods and systems are disclosed for a more flexible use of bandwidth parts (BWP) and cells for the various transmissions within the BFR procedure, such as the UL beam failure recovery request (BFRQ) and the DL beam failure recovery response (BFRR). The proposed framework allows these transmission to occur in BWPs with different Id, as well as on different cells. Example benefits include support for BFR on DL-only SCells by allowing the BFR UL transmissions on another cell with UL, support for sequential/parallel multi-cell BFRQ for improved BFR reliability and latency performance, and support for less UE-initiated BWP switching for BFR.Type: GrantFiled: October 31, 2019Date of Patent: November 19, 2024Assignee: InterDigital Patent Holdings, Inc.Inventors: Patrick Svedman, Mohamed Awadin, Allan Y. Tsai, Qing Li, Pascal M. Adjakple, Yifan Li, Guodong Zhang, Lakshmi R. Iyer
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Publication number: 20240381479Abstract: Switching between Orthogonal Multiple Access (OMA) and Non-Orthogonal Multiple Access (NOMA) modes of a user equipment (UE) can be determined and indicated by a gNB to a UE at an RRC connected state using one or more of the following schemes: at an RRC (Radio Resource Control) layer with an RRC configuration message, at a MAC (Medium Access Control) layer with MAC CE (MAC control element) signaling, at a PHY (Physical) layer with DCI (Downlink Control Information) signaling, jointly with RRC configuration and DCI signaling, and/or jointly with RRC configuration and MAC CE signaling. The OMA or NOMA mode that the UE operates after the transition may be requested by the UE, indicated by the gNB, and/or may be based on one or more rules for OMA-NOMA switching.Type: ApplicationFiled: July 24, 2024Publication date: November 14, 2024Applicant: InterDigital Patent Holdings, Inc.Inventors: Yifan Li, Allan Y. Tsai, Lakshmi R. Iyer, Qing Li, Pascal M. Adjakple, Mohamed Awadin, Joseph M. Murray, Guodong Zhang
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Publication number: 20240373453Abstract: Methods, systems, and apparatuses are described herein for beamforming based initial access, beam management, and beam based mobility designs for NR systems. Issues are identified and addressed related to one or more of initial access, control channel design, eMBB and URLLC mixing, and beam training. The methods, systems and apparatus may include a receiving scheduling information and a preemption indication via a DCI. In addition, there may be a detecting and decoding of the preemption indication, a determining of a HARQ feedback associated, and a sending, to a network node, of the HARQ feedback.Type: ApplicationFiled: June 27, 2024Publication date: November 7, 2024Applicant: InterDigital Patent Holdings, Inc.Inventors: Qing Li, Lakshmi R. Iyer, Allan Y. Tsai, Guodong Zhang, Tianyi Xu, Wei Chen, Pascal M. Adjakple, Joseph M. Murray
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Patent number: 12133236Abstract: Downlink Control Information (DCI) may be expanded, or enhanced, to allow nodes such as UEs, eNBs, NR-nodes, gNBs, and TRPs in M2M, IoT, WoT networks to coordinate activities on PHY, MAC, and RRC layers. For example, DCI fields may be added or enhanced to include, for example, information regarding time resource allocation, frequency resource allocation, mini-slot allocation, and or Code Block Group (CBG) transmission. Such information, or similar information, may be used in operations such as mini-slot operations, Code Block Group (CBG) transmission, group common Physical Downlink Control Channel (PDCCH), grant-free and grant-less operations, response to Beam Failure Recovery Request (BFRR), UL Transmit (TX) beam change, Quasi-Co-Location (QCL) operations, aperiodic CSI-RS transmission and interference measurement, Band Width Part (BWP) operations, and Multi-Transmission and Reception Point (TRP)/Multi-Panel.Type: GrantFiled: June 6, 2022Date of Patent: October 29, 2024Assignee: IPLA HOLDINGS INC.Inventors: Qing Li, Guodong Zhang, Yifan Li, Allan Y. Tsai, Lakshmi R. Iyer
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Publication number: 20240357390Abstract: Radio resource management measurements for new radio unlicensed are performed that are based on a measurement model where a missed received signal transmission opportunity indicator is provided to higher layers to adapt the measurement functions performed by the radio resource control when a missed received signal transmission opportunity is detected. Radio link monitoring for new radio unlicensed is performed based on in-sync or out-of-sync indications that are based on the estimated radio link quality in combination with missed radio link monitoring reference signal transmission opportunities.Type: ApplicationFiled: June 14, 2024Publication date: October 24, 2024Applicant: InterDigital Patent Holdings, Inc.Inventors: Joseph M. Murray, Pascal M. Adjakple, Lakshmi R. Iyer, Qing Li, Yifan Li, Mohamed Awadin, Allan Y. Tsai, Guodong Zhang
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Publication number: 20240357606Abstract: Methods and apparatuses are described herein for Intra-UE Prioritization in uplink (UL) transmissions. In an example, an apparatus may receive first information indicating a first uplink grant associated with a first transmission and second information indicating a second uplink grant associated with a second transmission. The apparatus may determine, based on the first information and the second information, that the first transmission and the second transmission overlap at least partially in time. The apparatus may determine a first priority associated with the first transmission and a second priority associated with the second transmission. The apparatus may then cause, based at least in part on the first priority and the second priority, at least one of: prioritization of one transmission over another transmission, or preemption of the first transmission by the second transmission.Type: ApplicationFiled: June 28, 2024Publication date: October 24, 2024Applicant: InterDigital Patent Holdings, Inc.Inventors: Lakshmi R. Iyer, Stephen E. Terry, Patrick Svedman, Qing Li, Yifan Li, Pascal M. Adjakple, Guodong Zhang, Allan Y. Tsai, Mohamed Awadin
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Patent number: 12126577Abstract: An apparatus includes a processor, a memory; and communication circuitry, the apparatus being connected to a communications network via the communication circuitry, the apparatus further including computer-executable instructions stored in the memory which, when executed by the processor, causes the apparatus to identify an apparatus capability that is an indication of an ability of the apparatus to perform beam failure detection (BFD) for a plurality of cells, transmit the apparatus capability to an other apparatus, receive from the other apparatus at least one message including a change in network configuration; and substitute a second set of cells for the first set of cells on which the apparatus performs BFD based on the change in network configuration so the apparatus capability is not exceeded by the network configuration.Type: GrantFiled: January 10, 2020Date of Patent: October 22, 2024Assignee: InterDigital Patent Holdings, Inc.Inventors: Patrick Svedman, Qing Li, Pascal M. Adjakple, Lakshmi R. Iyer, Guodong Zhang, Joseph M. Murray, Stephen E. Terry, Mohamed Awadin, Allan Y. Tsai, Yifan Li
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Patent number: 12114293Abstract: Disclosed herein are methods, systems, and devices that are associated with downlink (DL) control, grant free (GF) transmission, or initial access. Particularly, disclosed herein are multi beam physical downlink control channel (PDCCH) transmission mechanisms, grant free transmissions mechanisms, demodulation reference signal (DMRS) for physical broadcast channel (PBCH) mechanisms, and DMRS sequence design for new radio-channel state information-reference signal (NR-CSI-RS) and new radio-physical downlink shared channel (PDSCH) (NR-PDSCH), among other things.Type: GrantFiled: June 15, 2018Date of Patent: October 8, 2024Assignee: InterDigital Patent Holdings, Inc.Inventors: Lakshmi R. Iyer, Guodong Zhang, Qing Li, Allan Y. Tsai, Yifan Li, Pascal M. Adjakple, Joseph M. Murray
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Publication number: 20240334419Abstract: An apparatus including a non-transitory memory including instructions stored thereon for monitoring synchronous signals and physical broadcast channels (SSBs) from a network node. The apparatus also includes a processor, operably coupled to the non-transitory memory, configured to execute a set of instructions. The instructions include configuring the apparatus for a STTC (SSB Transmission Timing Configuration). The STTC is a time interval with plural locations accommodating transmission of the SSBs. The instructions also include monitoring the STTC for the SSBs. The instructions further include determining a first one of the SSBs in a first slot of a subframe in a scheduled SSB transmission in the STTC has been transmitted at a first scheduled location, where the transmission of the first one of the SSBs is based upon confirmation of a successful Listen Before Talk (LBT) available channel prior to the scheduled SSB transmission in the STTC.Type: ApplicationFiled: June 14, 2024Publication date: October 3, 2024Applicant: InterDigital Patent Holdings, Inc.Inventors: Yifan Li, Lakshmi R. Iyer, Allan Y. Tsai, Qing Li, Mohamed Awadin, Joseph M. Murray, Guodong Zhang
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Publication number: 20240334486Abstract: The present application may describe a method for obtaining channel access in a network. The method includes selecting, via a gNodeB, a spatial filter to perform listen before talk (LBT). The method includes detecting, via the gNodeB, a channel in an idle state. The method includes obtaining a directional channel occupancy time (COT). The method also includes transmitting a channel access indicator transmission (CAI-T) on a beam. The method further includes receiving a channel access indicator response (CAI-R). The method further includes sensing the channel is clear (e.g., via short channel sensing and the spatial filter). The method includes sending, via the channel, information to the node using one or more spatial filters of the second set of spatial filters. Other embodiments may include corresponding computer systems, apparatus, and computer programs recorded on one or more computer storage devices, each configured to perform the actions of the methods.Type: ApplicationFiled: June 7, 2024Publication date: October 3, 2024Applicant: InterDigital Patent Holdings, Inc.Inventors: Lakshmi R. Iyer, Qing Li, Mohamed Awadin, Guodong Zhang, Pascal M. Adjakple, Yifan Li, Zhuo Chen, Allan Y. Tsai