Patents by Inventor Tanbir Haque
Tanbir Haque 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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Publication number: 20250106090Abstract: A method for initial timing synchronization for a WTRU to communicate with a network includes receiving an in-channel narrowband synchronization sequence from the network to enable initial coarse timing synchronization, determining coarse timing offset and a range between a beam source of a network transmitter and the WTRU, selecting a wideband sequence for fine timing synchronization using the estimated range, transmitting the selected wideband sequence for fine timing synchronization during an uplink timing occasion, receiving from the network a transmission of the selected wideband sequence for fine timing synchronization, and establishing fine timing synchronization between the WTRU and the network using the selected sequence.Type: ApplicationFiled: December 10, 2024Publication date: March 27, 2025Applicant: InterDigital Patent Holdings, Inc.Inventors: Alpaslan Demir, Tanbir Haque, Ravikumar Pragada, Hussain Elkotby, Mahmoud Abdelgelil, Patrick Cabrol
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Publication number: 20250088964Abstract: A method for use in a Wireless Transmit/Receive Unit (WTRU). The method comprises: receiving, using an active receiver, system information comprising a first system information set, wherein the first system information set is currently valid for the WTRU; storing the system information; deactivating the active receiver and activating a passive receiver; determining whether a difference between a first parameter in the BSSI and a first parameter in the first system information set is greater than a threshold value, wherein on a condition that the difference is greater than the threshold value, reactivating the active receiver to receive a second system information set as a currently valid system information set for the WTRU.Type: ApplicationFiled: November 25, 2024Publication date: March 13, 2025Applicant: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Hussain E. Elkotby, Ravikumar V. Pragada, Tanbir Haque, Patrick Cabrol, Anantharaman Balasubramanian, Marian Rudolf, William E. Lawton
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Patent number: 12245138Abstract: Approaches for idle mode operations for wireless transmit/receive units (WTRUs) with zero-energy (ZE) receivers are disclosed herein. A WTRU operating in idle mode, may receive using the main transceiver over a Uu interface, an energy harvesting (EH) configuration for use over a ZE air interface. The main transceiver may be turned off, and the ZE receiver as part of a ZE idle mode operation, may detect, over the ZE air interface, and harvest energy from ZE reference signals. The WTRU may calculate an amount of energy harvested from the ZE reference signals over a first time period. The WTRU may calculate a ZE idle mode operation energy consumption over the first time period. On a condition that the ZE idle mode operation energy consumption is greater than the harvested energy, the main transceiver may be turned on and the WTRU may enter a Uu interface idle mode operation.Type: GrantFiled: December 17, 2019Date of Patent: March 4, 2025Assignee: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Tanbir Haque, Hussain E. Elkotby, Ravikumar V. Pragada, Patrick Cabrol, Anantharaman Balasubramanian, Marian Rudolf, William E. Lawton, Muhammad U. Fazili
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Publication number: 20250056535Abstract: Method and apparatus for a WTRU to harvest energy from uplink signals of other WTRUs in a wireless network are disclosed. In an example, a method includes sending WTRU location information and determining a mapping between one or more geographical areas and their respective unique geographical radio network temporary identifier (RNTI) (geo-RNTI) and determining a current geo-RNTI of the WTRU based on the WTRU location information. The method may include decoding one or more configuration parameters of a first group of one or more other WTRU in the determined geo-RNTI, switching receive circuitry of the WTRU based on the one or more configuration parameters decoded; and harvesting radio frequency (RF) energy from uplink transmissions of the one or more other WTRUs based on switching of the receive circuitry.Type: ApplicationFiled: October 11, 2024Publication date: February 13, 2025Applicant: InterDigital Patent Holdings, Inc.Inventors: Anantharaman BALASUBRAMANIAN, Hussain Elkotby, Marian Rudolf, Tanbir Haque, Patrick Cabrol, Ravikumar Pragada
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Patent number: 12224595Abstract: A wireless transmit/receive unit, WTRU, may include an Energy Harvesting device, EH, a Zero Energy transceiver, ZE, and a main transceiver. The WTRU may initialize operation using the main transceiver, and receive beam detection configuration and mapping information. The WTRU may initialize beam (re-) selection procedure using the ZE transceiver, and use the received beam detection configuration to determine detectable beam IDs. and use the received mapping information to retrieve EH signaling configuration. The WTRU determines expected EH performance for each detected beam, and selects the beam with best expected EH performance. On condition that the WTRU determines necessity of dynamic EH signaling for the selected beam, it proceeds with presence declaration procedure to request optimized dynamic EH signaling. The WTRU utilizes control signaling channel parameters to dynamically receive optimized EH signal configuration, and configures its EH circuitry, and harvests energy.Type: GrantFiled: January 22, 2021Date of Patent: February 11, 2025Assignee: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Hussain Elkotby, Ravikumar Pragada, Mahmoud Abdelgelil, Tanbir Haque, Patrick Cabrol
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Patent number: 12218714Abstract: A resonance magnetic coupling (RMC) communication may be enabled between devices. A device may use a discovery mechanism to transmit and exchange information. A device may use the discovery mechanism to establish a RMC communication channel and may determine its parameterization. A device using a RMC communication may transmit a discovery signal to determine channelization and/or properties of the RMC link. The discovery signal may be generated in the form of a beacon transmission. A signal sequence may be employed for a discovery signal. A device using a RMC communication may transmit a sequence of beacon or discovery signals to track characteristics of the RMC link. Beacon scheduling may be used for RMC communications, and the communication channel may not be static and may be a function of distance and orientation. A device using a RMC communication may sense the channel for potential beacon or sequence signals from other devices.Type: GrantFiled: December 17, 2019Date of Patent: February 4, 2025Assignee: DRNC HOLDINGS, INC.Inventors: Patrick Cabrol, Tanbir Haque, Ravikumar Pragada, Marian Rudolf, Anantharaman Balasubramanian, Hussain Elkotby
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Patent number: 12219554Abstract: Method and apparatus for a WTRU to harvest energy from uplink signals of other WTRUs in a wireless network are disclosed. In an example, a method includes sending a message indicating resources and capability of energy harvesting (EH) from sets of resources of the plurality of resources; receiving one or more SRS super-sets, each SRS super-set being associated with a group of other WTRUs and at least one set of resources of the plurality of resources; determining a mapping between a receive beam and an SRS super-set; receiving uplink transmission patterns each being associated with an SRS super-set; selecting a receive beam from a set of receive beams based on the received uplink transmission patterns; and harvesting RF energy from uplink transmissions of one or more groups of other WTRUs using at least the selected receive beam and the received uplink transmission patterns.Type: GrantFiled: May 16, 2020Date of Patent: February 4, 2025Assignee: InterDigital Patent Holdings, Inc.Inventors: Anantharaman Balasubramanian, Hussain Elkotby, Marian Rudolf, Tanbir Haque, Patrick Cabrol, Ravikumar Pragada
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Patent number: 12216222Abstract: A method for use in a wireless transmit/receive unit (WTRU) configured to communicate through a zero energy (ZE) interface in accordance with an embodiment disclosed herein is provided. The method includes the WTRU receiving, a first positioning reference signal (PRS) resource with parameters characterizing the first PRS and determining the suitability of the first PRS resource for use by the WTRU. The method also includes measuring the phase difference of arrival (PDOA) for available frequency pairs and generating a range estimate based on the PDOA measurement. Further, the method includes the WTRU evaluating a reliability of the PDOA measurement and an accuracy of the range estimate and, on a condition that a sufficient accuracy has been achieved, reporting the range estimate.Type: GrantFiled: January 29, 2021Date of Patent: February 4, 2025Assignee: InterDigital Patent Holdings, Inc.Inventors: Loran Jatunov, Hussain Elkotby, Tanbir Haque, Patrick Cabrol, Ravikumar Pragada
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Patent number: 12206543Abstract: A method for initial timing synchronization for a WTRU to communicate with a network includes receiving an in-channel narrowband synchronization sequence from the network to enable initial coarse timing synchronization, determining coarse timing offset and a range between a beam source of a network transmitter and the WTRU, selecting a wideband sequence for fine timing synchronization using the estimated range, transmitting the selected wideband sequence for fine timing synchronization during an uplink timing occasion, receiving from the network a transmission of the selected wideband sequence for fine timing synchronization, and establishing fine timing synchronization between the WTRU and the network using the selected sequence.Type: GrantFiled: January 28, 2021Date of Patent: January 21, 2025Assignee: InterDigital Patent Holdings, IncInventors: Alpaslan Demir, Tanbir Haque, Ravikumar Pragada, Hussain Elkotby, Mahmoud Abdelgelil, Patrick Cabrol
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Publication number: 20250016822Abstract: Methods and apparatus for waveform design and signaling for energy harvesting (EH) in a wireless network are disclosed.Type: ApplicationFiled: September 24, 2024Publication date: January 9, 2025Applicant: InterDigital Patent Holdings, Inc.Inventors: Hussain Elkotby, Anantharaman Balasubramanian, Marian Rudolf, Tanbir Haque, Patrick Cabrol, Ravikumar Pragada
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Publication number: 20240414037Abstract: A wireless transmit/receive unit, WTRU, can select a constellation from a set of constellations corresponding to a symbol configuration for indirect carrier modulation, ICM, based on at least one constellation performance efficacy indicator, each constellation performance efficacy indicator respectively corresponding to a constellation of the set of constellations, and use the selected constellation and symbol configuration to simultaneously harvest energy and transmit data.Type: ApplicationFiled: August 20, 2024Publication date: December 12, 2024Applicant: InterDigital Patent Holdings, Inc.Inventors: Tanbir Haque, Hussain Elkotby, Patrick Cabrol, Ravikumar Pragada
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Patent number: 12133255Abstract: A method implemented in a wireless transmit/receive unit (WTRU) for wireless communications includes receiving a signal sequence from a base station (BS) and generating a channel quality indicator (CQI) indication based on the signal, transmitting the CQI indication to the BS, receiving a first control message from the BS comprising configuration information, wherein the configuration information includes information elements for configuring CQI subgroups, determining a CQI subgroup identifier (ID) based on the information elements included in the received first control message, and transmitting an energy harvesting feedback using at least one resource associated with the CQI subgroup ID.Type: GrantFiled: May 16, 2020Date of Patent: October 29, 2024Assignee: InterDigital Patent Holdings, Inc.Inventors: Hussain Elkotby, Anantharaman Balasubramanian, Marian Rudolf, Tanbir Haque, Patrick Cabrol, Ravikumar Pragada
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Patent number: 12107711Abstract: A wireless transmit/receive unit, WTRU, can select a constellation from a set of constellations corresponding to a symbol configuration for indirect carrier modulation, ICM, based on at least one constellation performance efficacy indicator, each constellation performance efficacy indicator respectively corresponding to a constellation of the set of constellations, and use the selected constellation and symbol configuration to simultaneously harvest energy and transmit data.Type: GrantFiled: January 22, 2021Date of Patent: October 1, 2024Assignee: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Tanbir Haque, Hussain Elkotby, Patrick Cabrol, Ravikumar Pragada
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Publication number: 20240284332Abstract: A wireless transmit/receive unit (WTRU) may include one or more antennas and a first transceiver operatively coupled to the antennas. The one or more antennas and the first transceiver may be configured to receive a first signal from a network using zero energy from the WTRU. The one or more antennas and the first transceiver may be further configured to extract energy from the first signal. The first transceiver may be further configured to examine a separation between energy threshold events to decode an energy signature of the first signal. The first transceiver may be further configured to activate a second transceiver operatively coupled to the one or more antennas if the decoded energy signature matches a stored energy signature, wherein the second transceiver is powered by the WTRU. The one or more antennas and the second transceiver may be configured to receive a second signal from the network.Type: ApplicationFiled: February 29, 2024Publication date: August 22, 2024Applicant: InterDigital Patent Holdings, Inc.Inventors: Tanbir Haque, Ravikumar V. Pragada, Anantharaman Balasubramanian, Alpaslan Demir
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Publication number: 20240259159Abstract: A method and WTRU to support an in-channel narrowband companion air interface (NB-CAI) assisted wideband (WB) frequency error correction procedure is disclosed. The method may comprise a WTRU sending, via the NB-CAI, a frequency convergence reference signal (FCRS) scheduling request to a network node and receiving, via the NB-CAI, a FCRS scheduling response from the network node. The method may comprise receiving, via a wideband air interface (WB-AI), periodic FCRSs from the network node based on the received FCRS scheduling response and sending, via the NB-CAI, a request to the network node to change a rate of FCRS transmissions. The FCRS scheduling request may comprise range information. The request to change a rate of FCRS transmissions may be based on a convergence indication. The request to change a rate of FCRS transmissions may comprise a configuration identification of a selected FCRS configuration from a set of FCRS configurations.Type: ApplicationFiled: May 19, 2022Publication date: August 1, 2024Applicant: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Alpaslan Demir, Sanjay Goyal, Patrick Cabrol, Muhammad Fazili, Tanbir Haque, Ravikumar Pragada
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Publication number: 20240215067Abstract: Methods, apparatuses, systems, etc., directed to random channel access over zero energy (ZE) air-interface(s) are disclosed herein. In an embodiment, a wireless transmit/receive unit (WTRU) may receive a first reference signal. For example, the WTRU may determine that a first signal strength of the received first reference signal may fail to satisfy a strength condition, and responsively the WTRU may: (i) receive a transmission, (ii) determine a sequence and an occasion based on the received transmission, (iii) transmit using the determined sequence on the determined occasion, and (iv) receive a second reference signal from an interrogating WTRU.Type: ApplicationFiled: February 1, 2022Publication date: June 27, 2024Inventors: Hussain Elkotby, Ravikumar Pragada, Tanbir Haque, Patrick Cabrol
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Publication number: 20240147370Abstract: Methods and apparatuses are described herein for chained and delayed wake-up. For example, a station (STA) may determine, at the formation of a group of STAs, a common service period for the group. The STA may determine a deferral time for a first STA of the group. The deferral time may indicate when the first STA wakes up to receive a wake-up packet. The STA may receive, from an access point (AP), during a service period in which the STA acts as a head node for communication with the AP, a wake-up packet addressed to the first STA. The STA may transmit, based on a determination that the deferral time associated with the wake-up packet addressed to the first STA ends after the service period in which the STA acts as a head node, a wake-up command that includes the wake-up packet addressed to the first STA.Type: ApplicationFiled: February 8, 2022Publication date: May 2, 2024Applicant: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Nagi Mahalingam, Ravikumar Pragada, Hussain Elkotby, Tanbir Haque
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Patent number: 11956725Abstract: A wireless transmit/receive unit (WTRU) may include one or more antennas and a first transceiver operatively coupled to the antennas. The one or more antennas and the first transceiver may be configured to receive a first signal from a network using zero energy from the WTRU. The one or more antennas and the first transceiver may be further configured to extract energy from the first signal. The first transceiver may be further configured to examine a separation between energy threshold events to decode an energy signature of the first signal. The first transceiver may be further configured to activate a second transceiver operatively coupled to the one or more antennas if the decoded energy signature matches a stored energy signature, wherein the second transceiver is powered by the WTRU. The one or more antennas and the second transceiver may be configured to receive a second signal from the network.Type: GrantFiled: October 10, 2022Date of Patent: April 9, 2024Assignee: InterDigital Patent Holdings, Inc.Inventors: Tanbir Haque, Ravikumar V. Pragada, Anantharaman Balasubramanian, Alpaslan Demir
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Publication number: 20240114456Abstract: Methods and apparatus for targeted wake-up and frame enhancement for energy harvesting are disclosed. In one embodiment, a method performed by a station (STA) may compromise: receiving, during an energy detection state, a zero energy (ZE) frame from an access point (AP) that indicates a presence of an energy harvesting (EH) window; harvesting energy for a determined time duration during the EH window; and receiving, during an information decoding state, a data portion of the ZE frame based on a current stored energy of the STA being above a first threshold and a signal strength of the received ZE frame being above a second threshold.Type: ApplicationFiled: February 8, 2022Publication date: April 4, 2024Applicant: INTERDIGITAL PATENT HOLDINGS, INC.Inventors: Nagi Mahalingam, Hussain Elkotby, Ravikumar Pragada, Tanbir Haque, Vikas Gulati
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Publication number: 20240113566Abstract: The disclosure pertains to methods and apparatus for operation by a wireless transmit/receive unit (WTRU).Type: ApplicationFiled: December 9, 2021Publication date: April 4, 2024Inventors: Patrick Cabrol, Tanbir Haque, Hussain Elkotby, Ravikumar Pragada