Patents by Inventor Yucheng Dai
Yucheng Dai 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: 20250024289Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a measurement configuration that is associated with a common measurement object or a common resource pool for at least two of cross-link interference (CLI) measurements, self-interference (SI) measurements, or wireless sensing measurements. The UE may perform, based at least in part on the measurement configuration, one or more measurements that include at least one of a CLI measurement, an SI measurement, or a wireless sensing measurement. The UE may transmit, based at least in part on the measurement configuration, a measurement report indicating at least one measurement of the one or more measurements. Numerous other aspects are described.Type: ApplicationFiled: October 1, 2024Publication date: January 16, 2025Inventors: Wooseok NAM, Yucheng DAI, Juan MONTOJO, Tao LUO, Peter GAAL, Sony AKKARAKARAN
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Patent number: 12200599Abstract: Methods, systems, and devices for wireless communications are described. During an operation for discovering reconfigurable surfaces, a sensing signal may be transmitted. Based on the sensing signal being transmitted, another signal may be detected at the device that transmitted the sensing signal, another device, or both. The device that detects the signal may combine the detected signal with a modulation sequence that is associated with a reconfigurable surface, where the reconfigurable surface may be assigned a set of unique modulation sequences and configured to apply a modulation sequence to received signals. Based on combining the detected signal with the modulation sequence, the device may determine whether the reconfigurable surface is present within a geographic region.Type: GrantFiled: December 14, 2023Date of Patent: January 14, 2025Assignee: QUALCOMM IncorporatedInventors: Wooseok Nam, Yucheng Dai, Tao Luo, Peter Gaal, Sony Akkarakaran, Junyi Li
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Publication number: 20250015877Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a synchronization signal block (SSB) transmitted by a base station. The UE may receive system information that includes reconfigurable intelligent surface (RIS) or repeater assisted initial access information that identifies a set of SSBs that are associated with an RIS or a repeater and a modulation signature associated with the RIS or the repeater. The UE may selectively perform initial access using the SSB or search for another SSB based at least in part on the RIS or repeater assisted initial access information. Numerous other aspects are described.Type: ApplicationFiled: September 24, 2024Publication date: January 9, 2025Inventors: Wooseok NAM, Yucheng DAI, Tao LUO, Peter GAAL, Junyi LI, Sony AKKARAKARAN
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Patent number: 12193035Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive, via first frequency ranges and first time periods, a plurality of sidelink control blocks that each indicate a sidelink positioning reference signal burst pattern for one or more sidelink UEs. The UE may receive, within a second frequency range and during a second time period, a plurality of multiplexed sidelink positioning reference signals from the one or more sidelink UEs in accordance with the sidelink positioning reference signal burst patterns. The UE may determine a position of the UE based at least in part on the receiving of the plurality of multiplexed sidelink positioning reference signals.Type: GrantFiled: September 22, 2021Date of Patent: January 7, 2025Assignee: QUALCOMM IncorporatedInventors: Wooseok Nam, Yucheng Dai, Tao Luo, Jing Sun, Junyi Li, Peter Gaal, Sony Akkarakaran, Juan Montojo, Srinivas Yerramalli
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Patent number: 12177144Abstract: Methods, systems, and devices for wireless communications are described. Repetitions of a reference signal may be transmitted by a first device. In some examples, the repetitions may be quasi-colocated with one another, share an antenna port, or both. The repetitions of the reference signal may arrive at a reconfigurable surface. The reconfigurable surface may apply a modulation sequence to the repetitions of the reference signal and output modulated repetitions of the reference signal in a direction based on a reflective state of the reconfigurable surface. A signal including the modulated repetitions of the reference signal may be received by a second device and combined with the modulation sequence used by the reconfigurable surface to obtain a combined signal. The combined signal may be used to determine, for the reconfigurable surface, information about a channel between the first device and the second device.Type: GrantFiled: June 29, 2021Date of Patent: December 24, 2024Assignee: QUALCOMM IncorporatedInventors: Wooseok Nam, Yucheng Dai, Tao Luo, Peter Gaal, Sony Akkarakaran, Junyi Li
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Patent number: 12170562Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a receiver may receive, from a transmitter, an indication of a signature of a reconfigurable intelligent surface (RIS). The receiver may receive a signal that is transmitted by the transmitter and redirected by the RIS. The receiver may receive, from the RIS, a sequence associated with the signature of the RIS indicating that the signal is transmitted using a link associated with the RIS. Numerous other aspects are described.Type: GrantFiled: December 15, 2022Date of Patent: December 17, 2024Assignee: QUALCOMM IncorpoatedInventors: Yucheng Dai, Wooseok Nam, Tao Luo, Peter Gaal
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Patent number: 12127018Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a measurement configuration that is associated with a common measurement object or a common resource pool for at least two of cross-link interference (CLI) measurements, self-interference (SI) measurements, or wireless sensing measurements. The UE may perform, based at least in part on the measurement configuration, one or more measurements that include at least one of a CLI measurement, an SI measurement, or a wireless sensing measurement. The UE may transmit, based at least in part on the measurement configuration, a measurement report indicating at least one measurement of the one or more measurements. Numerous other aspects are described.Type: GrantFiled: March 29, 2021Date of Patent: October 22, 2024Assignee: QUALCOMM IncorporatedInventors: Wooseok Nam, Yucheng Dai, Juan Montojo, Tao Luo, Peter Gaal, Sony Akkarakaran
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Patent number: 12126424Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a synchronization signal block (SSB) transmitted by a base station. The UE may receive system information that includes reconfigurable intelligent surface (RIS) or repeater assisted initial access information that identifies a set of SSBs that are associated with an RIS or a repeater and a modulation signature associated with the RIS or the repeater. The UE may selectively perform initial access using the SSB or search for another SSB based at least in part on the RIS or repeater assisted initial access information. Numerous other aspects are described.Type: GrantFiled: May 15, 2023Date of Patent: October 22, 2024Assignee: QUALCOMM IncorporatedInventors: Wooseok Nam, Yucheng Dai, Tao Luo, Peter Gaal, Junyi Li, Sony Akkarakaran
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Patent number: 12127154Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from an anchor node, control information that triggers a UE-specific aperiodic positioning signal. The UE may perform, to the anchor node, the UE-specific aperiodic positioning signal based at least in part on the control information. The UE may transmit, to the anchor node, a response based at least in part on the UE-specific aperiodic positioning signal. Numerous other aspects are described.Type: GrantFiled: November 5, 2021Date of Patent: October 22, 2024Inventors: Wooseok Nam, Tao Luo, Sony Akkarakaran, Yucheng Dai, Jingchao Bao
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Publication number: 20240345219Abstract: Apparatuses and methods for network-assisted clutter identification are described. An apparatus is configured to obtain environmental information associated with a sensing environment, and to detect, during a sensing operation, a set of objects in the sensing environment. The apparatus is configured to process data for a target object(s) in the set of objects or filter data for an unintended object(s) in the set of objects based on the environmental information that indicates characteristics associated with the set of objects in the sensing environment. Another apparatus is configured to provide environmental information associated with a sensing environment. Environmental information indicates characteristics associated with a set of objects in the sensing environment; the set of objects in the sensing environment includes a target object (a) and an unintended object(s).Type: ApplicationFiled: April 13, 2023Publication date: October 17, 2024Inventors: Yucheng DAI, Wooseok NAM, Tao LUO
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Patent number: 12096392Abstract: Positioning of a target user equipment (UE) using a mobile anchor node is supported by providing motion information for the mobile anchor node and/or measurement restrictions. The target UE receives motion information for the mobile anchor node, which may be an ordered list of points or, e.g., a motion path. The target UE may generate positioning measurements using the motion information for the mobile anchor node to determine the position of the mobile anchor node when it transmits positioning reference signals (PRS). The target UE may receive an indication of position measurement restriction if the mobile anchor node is moving. The target UE may receive PRS over a plurality of PRS occasions. The target UE may restrict measurement to only one PRS occasion, may generate and separately report measurements for each PRS occasions or may combine a plurality of measurements using filter coefficients provided by a location server.Type: GrantFiled: January 20, 2022Date of Patent: September 17, 2024Assignee: QUALCOMM IncorporatedInventors: Wooseok Nam, Sony Akkarakaran, Tao Luo, Jingchao Bao, Yucheng Dai, Peter Gaal, Junyi Li
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Patent number: 12082179Abstract: Wireless communications systems and methods related to information associated with a reconfigurable intelligent surface (RIS) in a wireless communication network are provided. For example, a method of wireless communication performed by a wireless communications device may include transmitting, to a reconfigurable intelligent surface (RIS), a request for information associated with the RIS and receiving, from the RIS, the information. Other features are also claimed and described.Type: GrantFiled: April 1, 2021Date of Patent: September 3, 2024Assignee: QUALCOMM IncorporatedInventors: Yucheng Dai, Wooseok Nam, Tao Luo, Junyi Li, Peter Gaal, Sony Akkarakaran, Juan Montojo
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Publication number: 20240272268Abstract: An example method of positioning, sensing, or both performed by a receiving device, the method may comprise receiving a non-uniform reference signal configuration for positioning, sensing, or both; receiving a reference signal configured in accordance with the non-uniform reference signal configuration, wherein the reference signal comprises a plurality of subcarriers, and wherein a frequency spacing between different pairs of neighboring subcarriers of the reference signal comprises a plurality of different values; and determining one or more time of arrival (TOA) measurements used for positioning, sensing, or both based on the received reference signal.Type: ApplicationFiled: February 14, 2023Publication date: August 15, 2024Inventors: Wooseok NAM, Sony AKKARAKARAN, Yucheng DAI, Jingchao BAO, Tao LUO
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Patent number: 12035201Abstract: Disclosed are systems and techniques for wireless communications. For example, a process can include determining a subset of radio frequency (RF) sensing devices from a plurality of available RF sensing devices for performing an RF sensing technique for a target object. The subset of RF sensing devices may be determined based on a plurality of factors associated with the plurality of available RF sensing devices. The process can include transmitting, to at least one RF sensing device of the subset of RF sensing devices, at least one message instructing the subset of RF sensing devices to perform the RF sensing technique for the target object to obtain one or more characteristics of the target object.Type: GrantFiled: January 19, 2022Date of Patent: July 9, 2024Assignee: QUALCOMM IncorporatedInventors: Yucheng Dai, Sony Akkarakaran, Wooseok Nam, Jingchao Bao, Tao Luo, Junyi Li
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Patent number: 12028145Abstract: Methods, systems, and devices for wireless communications are described. A communication device may support beamformed communications, which may be implemented via reflection from environmental clusters, assistance from relays, repeaters, reconfigurable intelligence surface nodes, or some combination thereof. The communication device may partition a packet into multiple subpackets, where the communication device may assign one or more subpackets to one or more beams within a set of beams for beamformed communications. That is, the communication device may split the packet across the set of beams used for beamformed communications with another communication device. The subpackets may not be decodable independently. As such, the communication device may indicate which beams correspond to which subpackets to enable concatenation and decoding at the other communication device.Type: GrantFiled: November 24, 2021Date of Patent: July 2, 2024Assignee: QUALCOMM IncorporatedInventors: Yucheng Dai, Wooseok Nam, Tao Luo
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Publication number: 20240214979Abstract: A network node may transmit a set of data collection schedules to a first set of network nodes and a first set of user equipment (UEs) to obtain a first set of attributes associated with a user equipment (UE) and a second set of attributes associated with an object associated with an area of interest. The first set of UEs may include the UE. The network node may receive the first set of attributes and the second set of attributes from the first set of network nodes and the first set of UEs based on the set of data collection schedules. The network node may transmit an association of the UE with the object based on the first set of attributes and the second set of attributes.Type: ApplicationFiled: December 21, 2022Publication date: June 27, 2024Inventors: Yucheng DAI, Wooseok NAM, Tao LUO
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Publication number: 20240214020Abstract: A network node may obtain a first position of an object associated with a user equipment (UE) based on a received reflection of a sensing signal. The (UE) may transmit a communication beam to a network node. The network node may obtain at least one of an indication of a second position of the UE or a beam direction of the communication beam. The network node may configure a set of communication maximum permissible exposure (MPE) attributes associated with the UE based on an MPE threshold, the first position, and at least one of the second position or the beam direction. The network node may transmit the configuration of the set of communication MPE attributes to the UE. The UE may receive the configuration of the set of communication MPE attributes.Type: ApplicationFiled: December 21, 2022Publication date: June 27, 2024Inventors: Yucheng DAI, Wooseok NAM, Tao LUO
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Publication number: 20240201356Abstract: A first wireless device may output a sensing signal configuration for performing sensing on a first reflected sensing signal from the first wireless device via a target object and a second reflected sensing signal from a reflective object via the target object based on a set of sensing signals. The first wireless device may transmit the set of sensing signals to the target object and the reflective object. The reflective object may reflect at least one of the set of sensing signals to the target object based on the sensing signal configuration. The first reflected sensing signal and the second reflected sensing signal may be received by the first wireless device in a monostatic configuration or by a second wireless device in a bi-static configuration. The receiving device may calculate a location of the target object based on the sensing signal configuration.Type: ApplicationFiled: December 15, 2022Publication date: June 20, 2024Inventors: Yucheng DAI, Wooseok NAM, Tao LUO
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Publication number: 20240205963Abstract: A user equipment (UE) may receive at least one of a sensing signal for an object associated with the UE or of a channel state information (CSI) reference signal (CSI-RS) from a network node. The UE may transmit an indication of a broken association with the object based on at least one of the sensing signal or the CSI-RS. The UE may measure a strength of at least one of the sensing signal or the CSI-RS. The UE may measure at least one of a reference signal receive power (RSRP) or a relative RSRP backoff associated with at least one of the sensing signal or the CSI-RS. The UE may transmit the indication of the broken association in response to the measured strength of at least one of the sensing signal or the CSI-RS being less than or equal to a signal strength threshold value.Type: ApplicationFiled: December 20, 2022Publication date: June 20, 2024Inventors: Yucheng DAI, Wooseok NAM, Tao LUO
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Publication number: 20240163875Abstract: This disclosure provides systems, methods and apparatus, for measurement and reporting procedures associated with a sidelink positioning reference signal (SL-PRS). In one aspect, a first user equipment (UE), which may function as a sidelink anchor node, may transmit an SL-PRS to a second UE in accordance with a slot format or structure that is dedicated for SL-PRS transmissions. The first UE may select resources for the transmission of the SL-PRS via sensing and exclusion or using a set of resources that are dedicated for SL-PRS transmissions. The second UE may receive the SL-PRS and use the SL-PRS to acquire positioning information, in accordance with an observed time difference of arrival (OTDOA)-based positioning method, or may transmit a second SL-PRS to the first UE to facilitate acquisition of positioning information at the first UE, in accordance with a round-trip-time (RTT)-based positioning method.Type: ApplicationFiled: November 17, 2023Publication date: May 16, 2024Inventors: Wooseok NAM, Yucheng DAI, Tao LUO, Sony AKKARAKARAN, Juan MONTOJO