Patents by Inventor Kazuki Takeda
Kazuki Takeda 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: 20240155516Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive information associated with identifying a first transmit power for a first carrier in a band and a second transmit power for a second carrier in the band, wherein the first transmit power and the second transmit power exceed a per-carrier group power threshold. The UE may transmit at least one of a first communication using a first scaled transmit power or a second communication using a second scaled transmit power, wherein at least one of the first transmit power or the second transmit power is scaled to form the first scaled transmit power or the second scaled transmit power in connection with the per-carrier group power threshold. Numerous other aspects are described.Type: ApplicationFiled: November 8, 2022Publication date: May 9, 2024Inventors: Kazuki TAKEDA, Wanshi CHEN, Peter GAAL, Juan MONTOJO, Gokul SRIDHARAN, Gene FONG, Timo Ville VINTOLA
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Publication number: 20240155640Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a physical downlink control channel (PDCCH) monitoring configuration, the PDCCH monitoring configuration being associated with a set of downlink control information (DCI) formats for monitoring on a set of component carriers, the PDCCH monitoring configuration being associated with a split parameter for DCI monitoring or a hierarchy for DCI monitoring. The UE may monitor, on the set of component carriers, for DCI having a format from the set of DCI formats, the monitoring being based at least in part on the split parameter or the hierarchy. Numerous other aspects are described.Type: ApplicationFiled: September 11, 2023Publication date: May 9, 2024Inventors: Kazuki TAKEDA, Jae Ho RYU, Hobin KIM, Heechoon LEE
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Patent number: 11979919Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may communicate with a base station in a wireless communications system. The UE may perform a random access procedure to communicate with the base station. The base station may configure the UE with different sets of preamble parameters for different types of UEs. The UE may generate a random access preamble based on the sets of preamble parameters according to the type of the UE. The base station may indicate a location of the base station to the UE. The UE may identify a location of the UE. The UE may determine a pre-compensation timing based on a distance from the two locations. The UE and the base station may transmit subsequent communication according to the random access preamble, the pre-compensation timing, or any combination thereof.Type: GrantFiled: September 17, 2021Date of Patent: May 7, 2024Assignee: QUALCOMM IncorporatedInventors: Chiranjib Saha, Alberto Rico Alvarino, Le Liu, Umesh Phuyal, Kazuki Takeda
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Patent number: 11978182Abstract: An image processing apparatus includes a change detection unit configured to detect a direction change, which is a temporal fluctuation in a plausible direction orthogonal to an edge determined for each pixel in an edge image indicating a high frequency component in an image that is an image processing target, and a phase change, which is a temporal fluctuation of a phase of the high frequency component according to the direction change, and a reliability estimation unit configured to estimate reliability indicating that the detected phase change is not a change caused by noise based on a variance value of the direction change per unit time.Type: GrantFiled: May 31, 2019Date of Patent: May 7, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Shoichiro Takeda, Kazuki Okami, Megumi Isogai, Hideaki Kimata
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Patent number: 11979266Abstract: Mechanisms for cross-carrier scheduling from a first cell to a second cell in a wireless networking scheme are provided. In one aspect, a method includes receiving, from a base station (BS), a first configuration for scheduling in a first cell having a first subcarrier spacing (SCS), wherein the first configuration is associated with a first search space in the first cell. The method further includes receiving, from the BS, a second configuration for scheduling in the first cell, wherein the second configuration is associated with a second search space in a second cell, and wherein the second cell is associated with a different second SCS. The method further includes determining a number of blind detections (BDs) based on at least one of the first SCS or the second SCS, and monitoring, based on the number of BDs, for downlink control information (DCI) in the first and second search spaces.Type: GrantFiled: September 23, 2021Date of Patent: May 7, 2024Assignee: Qualcomm IncorporatedInventors: Kazuki Takeda, Alberto Rico Alvarino, Peter Gaal, Wanshi Chen, Tao Luo, Jing Sun, Juan Montojo, Mostafa Khoshnevisan
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Publication number: 20240147473Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to receive, from a network entity, a control message indicating a serving cell group including a set of serving cells usable for wireless communications at the UE. The UE may determine whether to monitor for a multi-cell scheduling message for the serving cell group based on activation states of the set of serving cells of the serving cell group, where the multi-cell scheduling message includes scheduling information for multiple serving cells of the set of serving cells. The UE may then monitor at least a portion of control signaling that includes the multi-cell scheduling message in accordance with the determination.Type: ApplicationFiled: October 2, 2023Publication date: May 2, 2024Inventors: Toru UCHINO, Kazuki TAKEDA, Linhai HE, Masato KITAZOE
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Publication number: 20240146465Abstract: A method for wireless communication performed by a user equipment (UE) includes receiving, from a base station, a first indication to disable hybrid automatic repeat request (HARQ) feedback for a number of instances of a multicast transport block (TB). The method also includes receiving, from the base station, a second indication identifying a value of the number of instances of the multicast TB. The method further includes receiving, from the base station, one or more instances of the multicast TB. The method still further includes determining, based on the one or more received instances, whether the multicast TB is recoverable. The method further includes selectively transmitting, to the base station, HARQ feedback after all instances of the multicast TB have been transmitted by the base station based on the determination of whether the multicast TB is recoverable.Type: ApplicationFiled: June 30, 2023Publication date: May 2, 2024Inventors: Le LIU, Alberto RICO ALVARINO, Kazuki TAKEDA, Wanshi CHEN, Tao LUO, Ayan SENGUPTA, Xiaoxia ZHANG, Peter GAAL
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Publication number: 20240147440Abstract: The present disclosure relates to methods and devices for wireless communication including an apparatus, e.g., a UE and/or base station. The apparatus may determine an UL Tx switching procedure including a plurality of switching cases, the UL Tx switching procedure associated with one or more Tx chains and/or one or more antenna ports, at least one of the one or more Tx chains or the one or more antenna ports corresponding to one or more CCs. The apparatus may also configure at least one of the one or more Tx chains or the one or more antenna ports associated with a target switching case of the plurality of switching cases. Further, the apparatus may transmit at least one UL transmission based on the configured at least one of the one or more Tx chains or the one or more antenna ports associated with the target switching case.Type: ApplicationFiled: April 17, 2021Publication date: May 2, 2024Inventors: Peter GAAL, Yiqing CAO, Alberto RICO ALVARINO, Kazuki TAKEDA
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Publication number: 20240146477Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) and a network entity may pseudo-randomly generate frequency hopping indexes to support secure communication of sounding reference signals (SRSs). For example, the UE may securely obtain a key associated with communication a set of SRSs via respective portions of system bandwidth for communicating with the network entity. The UE and the network entity may generate a set of frequency hopping indexes using the key. The set of frequency hopping indexes may correspond to the set of SRSs, and each frequency hopping index may indicate a respective portion of the system bandwidth for communication of a corresponding SRS. The UE and the network entity may communicate the set of SRSs in accordance with the set of frequency hopping indexes.Type: ApplicationFiled: November 1, 2022Publication date: May 2, 2024Inventors: Javier Rodriguez Fernandez, Alberto Rico Alvarino, Kazuki Takeda, Le Liu, Xiao Feng Wang, Umesh Phuyal, Peter Gaal, Juan Montojo, Edward George Tiedemann, JR.
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Patent number: 11974279Abstract: A user terminal according to one aspect of the present disclosure includes: a receiving section that receives information related to a timing being used as a reference of a start symbol of an uplink shared channel or a downlink shared channel in a given transmission occasion; and a control section that determines a time domain resource over one or more slots allocated to the uplink shared channel or the downlink shared channel, based on the start symbol determined with the timing being used as the reference and a number of consecutive symbols from the start symbol.Type: GrantFiled: February 14, 2019Date of Patent: April 30, 2024Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang
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Patent number: 11974296Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a transmission type for a physical downlink shared channel, wherein the transmission type is a multicast transmission type or a unicast transmission type. The UE may determine, based at least in part on the transmission type for the physical downlink shared channel, a transmission configuration indicator state, of a plurality of possible transmission configuration indicator states, that corresponds to a quasi-co-location assumption, of a plurality of possible quasi-co-location assumptions, for the physical downlink shared channel. The UE may decode the physical downlink shared channel based at least in part on the transmission configuration indicator state. Numerous other aspects are provided.Type: GrantFiled: June 30, 2022Date of Patent: April 30, 2024Assignee: QUALCOMM IncorporatedInventors: Kazuki Takeda, Alberto Rico Alvarino, Le Liu
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Patent number: 11973716Abstract: A terminal is disclosed that includes a processor that, in case where frequency division duplex (FDD) is applied, controls a transmission of an uplink (UL) signal, in FDD, at a same timing as a UL transmission timing that is applied in time division duplex (TDD). The terminal also includes a receiver that receives a downlink control information (DCI), and a physical downlink shared channel (PDSCH) scheduled by the DCI. The terminal also includes a transmitter that transmits a HARQ-ACK in response to the PDSCH. The reception of the DCI and the transmission of the HARQ-ACK are allowed within one slot. In other aspects, a radio communication method, a base station, and a system are also disclosed.Type: GrantFiled: September 1, 2021Date of Patent: April 30, 2024Assignee: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Hiroki Harada, Satoshi Nagata
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Patent number: 11974291Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may activate or release one or more semi-persistent scheduling (SPS) configurations for group-common downlink shared channels based on signaling from a base station. For example, the UE may receive downlink control information (DCI) from the base station that includes a feedback process field, where a value of the feedback process field indicates at least one of one or more SPS configurations is to be activated. In some examples, the base station may transmit the DCI in a group-common downlink control channel or in a UE-specific downlink control channel. Additionally, the base station may transmit a deactivation message to the UE to indicate for the UE to release one or more activated SPS configurations, where the deactivation message is transmitted in a group-common downlink control channel or a UE-specific downlink control channel.Type: GrantFiled: April 1, 2021Date of Patent: April 30, 2024Assignee: QUALCOMM IncorporatedInventors: Le Liu, Kazuki Takeda, Alberto Rico Alvarino, Wanshi Chen
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Publication number: 20240137945Abstract: Methods, systems, and devices for wireless communications are described. A base station may transmit downlink control information (DCI) to a user equipment (UE) indicating a joint field for at least a first component carrier (CC) and a second CC of a carrier aggregation configuration. For example, the joint field may include a rate matching (RM) indication for the first CC and the second CC, a zero power channel state information reference signal (ZP-CSI-RS) indication for the first CC and the second CC, or both. In some cases, the RM indication may include a common RM resource (RMR) configuration applicable for both the first CC and the second CC or per-CC RMR configurations that indicate separate RMRs for each of the CCs. Additionally, the ZP-CSI-RS indication may include a set identifier that indicates a resource set for ZP-CSI-RS resources for both the first CC and the second CC.Type: ApplicationFiled: October 25, 2023Publication date: April 25, 2024Inventors: Kazuki TAKEDA, Wanshi CHEN, Peter GAAL, Xiaoxia ZHANG, Huilin XU, Mostafa KHOSHNEVISAN, Tao LUO, Alberto RICO ALVARINO
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Publication number: 20240137927Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may monitor for one or more semi-persistent scheduling (SPS) transmissions according to one or more SPS configurations. The UE may generate a set of feedback bits associated with the SPS transmissions, the feedback bits scheduled for transmission in a first set of uplink symbols. The UE may receive control signaling that changes an availability of the first set of uplink symbols for transmission of the set of feedback bits, and then defer transmission of the set of feedback bits to a second set of uplink symbols. The UE may determine whether to transmit at least a portion of the set of feedback bits in the second set of uplink symbols, and may transmit at least the portion of the set of feedback bits in the second set of uplink symbols and communicate in accordance with the determining.Type: ApplicationFiled: April 4, 2022Publication date: April 25, 2024Inventors: Yan ZHOU, Konstantinos DIMOU, Yi HUANG, Tao LUO, Mostafa KHOSHNEVISAN, Kazuki TAKEDA
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Publication number: 20240137968Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, information that identifies an association between a first cell of a first radio access technology (RAT) and a second cell of a second RAT. The UE may perform a measurement for the first cell. The UE may determine that the measurement for the first cell satisfies a threshold value. The UE may perform an interference canceling operation for a reference signal of the second cell, or a de-weighting operation for one or more resource elements in which the reference signal interferes, based at least in part on the determination that the measurement for the first cell satisfies the threshold value and the association between the first cell and the second cell. Numerous other aspects are described.Type: ApplicationFiled: December 28, 2023Publication date: April 25, 2024Inventors: Kazuki TAKEDA, Alberto RICO ALVARINO, Peter GAAL, Valentin Alexandru GHEORGHIU
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Publication number: 20240137794Abstract: This disclosure provides systems, methods and apparatuses that support channel state information (CSI) reporting techniques for secondary cell (SCell) activation. A user equipment (UE) may receive one or more medium access control-control elements (MAC-CEs) that indicate a secondary cell (SCell) activation command, an aperiodic tracking reference signal (AP-TRS) trigger, and an aperiodic channel state information (AP-CSI) report trigger. The network entity may signal the SCell activation command, the AP-TRS trigger, and the AP-CSI report trigger in the same MAC-CE or in separate MAC-CEs. The UE may receive and measure AP-TRS in accordance with the AP-TRS trigger indicated by the one or more MAC-CEs, and may perform measurements via an aperiodic channel measurement resource (AP-CMR) and an aperiodic interference measurement resource (AP-IMR) in accordance with the AP-CSI report trigger indicated by the one or more MAC-CEs. Accordingly, the UE may transmit an AP-CSI report associated with the measurements.Type: ApplicationFiled: October 24, 2022Publication date: April 25, 2024Inventors: Jae Ho Ryu, Kazuki Takeda, Changhwan Park, Hari Sankar
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Publication number: 20240137186Abstract: A terminal is disclosed including a receiver that receives information including multiple spatial relation information; and a processor that controls transmission of channel state information using first spatial relation information that corresponds to a first transmission and reception point among the multiple spatial relation information, on a first repetition of multiple repetitions of an uplink shared channel, and controls transmission of the channel state information using second spatial relation information that corresponds to a second transmission and reception point among the multiple spatial relation information, on a second repetition of the multiple repetitions of the uplink shared channel. In other aspects, a communication method, a base station, and a system are also disclosed.Type: ApplicationFiled: December 11, 2023Publication date: April 25, 2024Applicant: NTT DOCOMO, INC.Inventors: Kazuki Takeda, Satoshi Nagata, Lihui Wang, Xiaolin Hou
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Publication number: 20240137958Abstract: Methods, systems, and devices for wireless communication are described. In some wireless communications systems, a user equipment (UE) may support two or more uplink switching periods for transmit chain switching. The UE may transmit a UE capability message indicating the UE capability to support a first uplink switching period and a second uplink switching period for transmit chain switching. The first uplink switching period and the second uplink switching period may each correspond to different switching periods associated with configuration switches between different transmit chain configurations of the UE. The UE and a base station may select an uplink switching period from among the first uplink switching period and the second uplink switching period. The UE may transmit an uplink data message to the base station after a preparation time that is based on the uplink switching period.Type: ApplicationFiled: April 28, 2021Publication date: April 25, 2024Inventors: Yiqing CAO, Peter GAAL, Timo Ville VINTOLA, Alberto RICO ALVARINO, Kazuki TAKEDA, Wanshi CHEN, Bin HAN, Yan LI, Zhimin DU
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Patent number: 11966052Abstract: An alert system includes a display device, a display control unit, and a target recognition unit. The display control unit: when the number of targets recognized by the target recognition unit is equal to or more than an upper limit number, sets a display range of a surrounding icon as a whole circular area; and in a state where the number of targets is equal to or more than the upper limit number and the display range of the surrounding icon is set as the whole circular area, when the number of targets increases, reduces the size of the surrounding icon.Type: GrantFiled: September 23, 2022Date of Patent: April 23, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Masaki Maruyama, Minoru Higuchi, Yuya Kishimoto, Toshiaki Seo, Masuhito Tanaka, Kazuki Takano, Hidehiro Takeda, Misaki Koseki