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公开(公告)号：US11777555B2
公开(公告)日：2023-10-03
申请号：US17855552
申请日：2022-06-30
Inventor： Tetsuya Yamamoto , Hidetoshi Suzuki , Ayako Horiuchi
Abstract: In the present invention, regarding a narrowband used in a subframe for transmitting uplink data, if a switch is made from a first narrowband used in a first subframe to a second narrowband that is different from the first narrowband, with respect to a second subframe continuing to the first subframe, a final one symbol of the first subframe and an initial one symbol of the second subframe are punctured and set as a retuning time to transmit the uplink data in the first narrowband and the second narrowband.
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公开(公告)号：US11757601B2
公开(公告)日：2023-09-12
申请号：US17668232
申请日：2022-02-09
Inventor： Lilei Wang , Hidetoshi Suzuki , Tetsuya Yamamoto
IPC: H04L5/00 , H04W72/1268 , H04W72/23
CPC classification number: H04L5/0098 , H04L5/001 , H04L5/0042 , H04L5/0053 , H04W72/1268 , H04W72/23
Abstract: Provided are a user equipment, base station and wireless communication methods related to resource determination for UCI in case of BWP switching in NR. A user equipment comprises: a receiver operative to receive, from a base station in a slot, a Downlink Control Information (DCI) for Bandwidth Part (BWP) switching from a first BWP to a second BWP; circuitry operative to drop a Uplink Control Information (UCI) to be transmitted in a BWP switching period of the first BWP, and to determine the earliest available slot of the second BWP or a third BWP, the BWP switching period being from the slot where the DCI for BWP switching is received until starting the second BWP to which the first BWP is switched according to the DCI; and a transmitter operative to transmit the dropped UCI in the determined earliest available slot of the second BWP or the third BWP to the base station.
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公开(公告)号：US11695526B2
公开(公告)日：2023-07-04
申请号：US17052408
申请日：2019-01-09
Inventor： Tetsuya Yamamoto , Ankit Bhamri , Hidetoshi Suzuki , Yoshihiko Ogawa
IPC: H04L5/00 , H04W52/14 , H04W72/0446 , H04W72/21
CPC classification number: H04L5/0048 , H04W52/146 , H04W72/0446 , H04W72/21
Abstract: The present disclosure provides a terminal capable of efficiently transmitting data of different services. In this terminal (200), a controller (209) determines a transmission operation of a first transmission, corresponding to a first service, and a second transmission, corresponding to a second service, based on the first transmission and a setting of a reference signal included in the second transmission. A transmitter (216) transmits an uplink signal including at least a signal of the first transmission based on the determined transmission operation.
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公开(公告)号：US11659567B2
公开(公告)日：2023-05-23
申请号：US17200335
申请日：2021-03-12
Inventor： Tetsuya Yamamoto , Ayako Horiuchi , Takashi Iwai
IPC: H04L5/00 , H04W72/23 , H04L1/18 , H04L5/14 , H04L1/1829 , H04L69/324 , H04W28/04 , H04W88/02 , H04W88/08
CPC classification number: H04W72/23 , H04L1/18 , H04L1/1854 , H04L1/1858 , H04L1/1861 , H04L5/0044 , H04L5/0053 , H04L5/0055 , H04L5/1469 , H04L69/324 , H04W28/04 , H04L5/0094 , H04W88/02 , H04W88/08
Abstract: A terminal includes a receiver, which, in operation, receives time unit information related to an amount of an uplink time resource per a time unit, and receives a number of repetitions over a plurality of the time units, wherein the time unit includes a downlink time resource for a downlink signal and the uplink time resource for a response signal. The amount of the uplink time resource is expressed as a fixed number of consecutive symbols that remains the same number over the plurality of the time units over which the response signal is repeatedly transmitted. The terminal includes a transmitter, which, in operation, repeatedly transmits the response signal over the plurality of the time units.
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55.发明授权公开(公告)号：US11533210B2
公开(公告)日：2022-12-20
申请号：US17145811
申请日：2021-01-11
Inventor： Tetsuya Yamamoto , Ayako Horiuchi
Abstract: A repetition unit (212) performs a repetition for mapping a data signal and a demodulation reference signal (DMRS) repeatedly at a symbol level over a plurality of subframes. A signal allocation unit (213) maps, in the a plurality of subframes, the repeated DMRS to symbols other than symbols corresponding to an SRS resource candidate, which is a candidate for a resource to which a sounding reference signal (SRS) to be used to measure an uplink received signal quality is to be mapped. A transmission unit (216) transmits an uplink signal (PUSCH) including the DMRS and the data signal over the a plurality of subframes.
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Patent Agency Ranking
公开(公告)号：US11490373B2
公开(公告)日：2022-11-01
申请号：US16631637
申请日：2018-06-12
Inventor： Tetsuya Yamamoto , Hidetoshi Suzuki
Abstract: In a terminal, a control unit decides a sequence used for an uplink control channel, in accordance with uplink control information, and a transmission unit transmits the uplink control information using the sequence. Here, the sequence is calculated using cell identification information that identifies the cell to which the terminal belongs, and subcell-specific information relating to at least one subcell included in the cell.
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公开(公告)号：US11477768B2
公开(公告)日：2022-10-18
申请号：US16853030
申请日：2020-04-20
Inventor： Tetsuya Yamamoto , Seigo Nakao , Masayuki Hoshino
Abstract: Repetitions of a control signal across a plurality of first subframes and a data signal allocated to a resource indicated by the control signal are received. Repetition of a response signal for the data signal across a plurality of second subframes is performed, and a transmission signal is generated by multiplying the response signals in the second subframes by, among a plurality of first sequences orthogonal to one another, components of one of the first sequences which is associated with the first subframes, respectively.
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公开(公告)号：US11432268B2
公开(公告)日：2022-08-30
申请号：US16488251
申请日：2018-01-29
Inventor： Tetsuya Yamamoto , Hidetoshi Suzuki
Abstract: At a base station, a control unit selects one combination from multiple combinations of parameters regarding uplink control channel (PUCCH) resources. A transmission unit indicates a terminal of resource settings (Semi-static resource configuration) including the multiple combinations by higher layer signaling, and indicates the terminal of the one combination that has been selected by dynamic signaling (DCI).
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公开(公告)号：US11412397B2
公开(公告)日：2022-08-09
申请号：US16794493
申请日：2020-02-19
Inventor： Tetsuya Yamamoto , Hidetoshi Suzuki , Masayuki Hoshino
IPC: H04W24/06 , H04B7/10 , H04L27/26 , H04L5/00 , H04B7/08 , H04B7/155 , H04L1/08 , H04L1/18 , H04B17/309 , H04B17/00 , H04W72/08
Abstract: A repeater generates repetition signals by repeating uplink signals over a plurality of subframes; controller sets a timing for transmitting the repetition signals, based on information indicating a transmission candidate subframe for a sounding reference signal used for measuring an uplink reception quality; and a transmitter transmits the repetition signals at the set timing.
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公开(公告)号：US11368921B2
公开(公告)日：2022-06-21
申请号：US16490587
申请日：2018-01-29
Inventor： Tetsuya Yamamoto , Hidetoshi Suzuki
Abstract: In a terminal, in a slot having allocated thereto both an uplink control channel (PUCCH) and an uplink channel (PUSCH) that includes uplink data, in a case where the difference between the power spectrum density (PSD) of the PUCCH and the PSD of the PUSCH is greater than a threshold value (permitted difference), a control unit drops symbols of the PUSCH in a transmission interval for the PUSCH overlapping with a transmission interval for the PUCCH. A transmission unit transmits at least the PUCCH in the slot.
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