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81.发明公开公开(公告)号：US20240032016A1
公开(公告)日：2024-01-25
申请号：US18480421
申请日：2023-10-03
Inventor： Lilei Wang , Hidetoshi Suzuki , Joachim Loehr , Sujuan Feng , Masayuki Hoshino
Abstract: Provided are a wireless device and a wireless communication method in a wireless communication network comprising multiple wireless devices capable of communicating with each other directly, the wireless device comprising: a processing circuitry operative to multiplex data with a scheduling assignment message, into transmission information; and a transmitter operative to transmit the transmission information in a scheduling assignment period, to another wireless device in the wireless communication network, wherein the scheduling assignment message is used for indicating data transmission resource in the scheduling assignment period or in a previous scheduling assignment period.
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公开(公告)号：US11877304B2
公开(公告)日：2024-01-16
申请号：US17394882
申请日：2021-08-05
CPC classification number: H04W72/535 , H04W28/04 , H04W56/005 , H04W72/23
Abstract: A base station is disclosed, which is capable of appropriately configuring the timings of data assignment, data transmission and reception, and feedback for a case where the DL and UL sTTI lengths are different from each other. In this base station (100), a transmission section (106) transmits a downlink signal using a first short transmission time interval (sTTI) shortened in length than a TTI and used for downlink; and a reception section (107) receives an uplink signal using a second sTTI shortened in length than the TTI and used for uplink. When the first sTTI is shorter in length than the second sTTI, the reception section (107) receives the uplink signal in the second sTTI positioned after a predetermined interval from the transmission timing of the downlink signal, the predetermined interval being configured based on the length of the first sTTI.
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公开(公告)号：US20230422268A1
公开(公告)日：2023-12-28
申请号：US18466614
申请日：2023-09-13
Inventor： Ayako Horiuchi , Lilei Wang , Alexander Golitschek Edler von Elbwart , Masayuki Hoshino , Yasuaki Yuda
IPC: H04W72/23 , H04L1/00 , H04W72/20 , H04L1/1812 , H04L5/00 , H04W72/0446
CPC classification number: H04W72/23 , H04L1/00 , H04W72/20 , H04L1/0003 , H04L1/1812 , H04L5/0048 , H04L5/0055 , H04W72/0446
Abstract: A base station is disclosed that enables an efficient use of resources even when a TTI length is shortened. In this base station, a PDCCH section (103) generates one piece of downlink control information (DCI) containing control information for a plurality of first transmission time intervals (TTIs) each having a TTI length shorter than a second TTI, and a transmission section (107) transmits the DCI. Control information on retransmission processing for a data signal is configured for each of the plurality of first TTIs while control information other than the control information on the retransmission processing is configured in common among the plurality of first TTIs in the DCI.
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公开(公告)号：US11838237B2
公开(公告)日：2023-12-05
申请号：US17980372
申请日：2022-11-03
Inventor： Lilei Wang , Hidetoshi Suzuki , Tetsuya Yamamoto , Masayuki Hoshino
CPC classification number: H04L5/0053 , H04L5/005 , H04L5/0051 , H04L5/0064 , H04L5/02 , H04W4/022 , H04W4/70 , H04L25/0202 , H04W72/23
Abstract: A wireless communication method includes receiving a reference signal and a data signal, based on a coverage enhancement level represented by a number of transmission repetitions; processing the reference signal and the data signal received by the receiving; setting a number of resource elements for transmitting the reference signal based at least on a channel type; and setting usage of resource elements indicated by a System Information Block (SIB). The reference signal is a Cell-specific Reference Signal (CRS) or a Demodulation Reference Signal (DMRS).
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公开(公告)号：US11777688B2
公开(公告)日：2023-10-03
申请号：US17746781
申请日：2022-05-17
Inventor： Chi Gao , Hidetoshi Suzuki , Masayuki Hoshino
CPC classification number: H04L5/0053 , H04L1/0046 , H04L1/08 , H04W16/26 , H04W48/12 , H04W72/20 , H04W72/23
Abstract: An integrated circuit includes reception circuitry and demodulation circuitry. The reception circuitry, in operation, controls receiving one or more repetitions of control information in a search space region. The search space region includes a first plurality of sub-regions of different lengths for a largest repetition number of the control information. The search space region includes a second plurality of sub-regions of different lengths for a second-largest repetition number of the control information. An interval of subframes to which the first plurality of sub-regions are mapped is greater than an interval of subframes to which the second plurality of sub-regions are mapped. The demodulation circuitry, in operation, controls performing a demodulation process of the one or more repetitions of the control information.
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Patent Agency Ranking
公开(公告)号：US11764926B2
公开(公告)日：2023-09-19
申请号：US17565313
申请日：2021-12-29
Inventor： Tetsuya Yamamoto , Masayuki Hoshino , Seigo Nakao
IPC: H04L5/00 , H04J13/18 , H04L27/26 , H04W72/04 , H04W72/0446
CPC classification number: H04L5/0048 , H04J13/18 , H04L5/0051 , H04L27/2607 , H04W72/0446 , H04L5/0016
Abstract: A base station selects, from among a plurality of code sequences orthogonal to one another, one code sequence by which an uplink signal including a demodulation reference signal repeated in a plurality of subframes is multiplied and transmits, to a terminal for which transmission of the repeated uplink signal is configured, information indicating the selected code sequence by using a field for indicating a cyclic shift and an orthogonal sequence used for the demodulation reference signal. A terminal receives information indicating one of a plurality of code sequences orthogonal to one another using a field for indicating a cyclic shift and an orthogonal sequence used for a demodulation reference signal and multiplies an uplink signal including the demodulation reference signal repeated in a plurality of subframes by the code sequence indicated by the information.
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公开(公告)号：US11716158B2
公开(公告)日：2023-08-01
申请号：US17478003
申请日：2021-09-17
Inventor： Ayako Horiuchi , Masayuki Hoshino , Seigo Nakao
IPC: H04B17/318 , H04L5/00 , H04W48/12
CPC classification number: H04B17/318 , H04L5/005 , H04W48/12
Abstract: Received Signal Strength Indicator (RSSI) is measured accurately even in a case where a discovery signal is transmitted. A receiver receives a plurality of subframes, at least one of which includes a discovery signal, and a measurer measures Reference Signal Reception Power (RSRP) using a first resource in which the discovery signal is mapped, measures RSSI using a second resource different from the first resource for which the discovery signal is mapped, and calculates Reference Signal Reception Quality (RSRQ) using RSRP and RSSI.
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88.发明申请公开(公告)号：US20230048267A1
公开(公告)日：2023-02-16
申请号：US17963930
申请日：2022-10-11
Inventor： Lilei Wang , Hidetoshi Suzuki , Joachim Loehr , Sujuan Feng , Masayuki Hoshino
IPC: H04W72/12
Abstract: Provided are a wireless device and a wireless communication method in a wireless communication network comprising multiple wireless devices capable of communicating with each other directly, the wireless device comprising: a processing circuitry operative to multiplex data with a scheduling assignment message, into transmission information; and a transmitter operative to transmit the transmission information in a scheduling assignment period, to another wireless device in the wireless communication network, wherein the scheduling assignment message is used for indicating data transmission resource in the scheduling assignment period or in a previous scheduling assignment period.
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公开(公告)号：US11522663B2
公开(公告)日：2022-12-06
申请号：US17033407
申请日：2020-09-25
Inventor： Lilei Wang , Hidetoshi Suzuki , Tetsuya Yamamoto , Masayuki Hoshino
Abstract: A wireless communication method includes receiving a reference signal and a data signal, based on a coverage enhancement level represented by a number of transmission repetitions; processing the reference signal and the data signal received by the receiving; setting a number of resource elements for transmitting the reference signal based at least on a channel type; and setting usage of resource elements indicated by a System Information Block (SIB). The reference signal is a Cell-specific Reference Signal (CRS) or a Demodulation Reference Signal (DMRS).
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公开(公告)号：US11368272B2
公开(公告)日：2022-06-21
申请号：US17011797
申请日：2020-09-03
Inventor： Chi Gao , Hidetoshi Suzuki , Masayuki Hoshino
Abstract: A communication apparatus includes circuitry which, in operation, maps one or more repetitions of control information in a search space region, and a transmitter which, in operation, transmits the one or more repetitions of the control information. The search space region includes a first plurality of sub-regions of different lengths for a largest repetition number of the control information, and a second plurality of sub-regions of different lengths for a second-largest repetition number of the control information. An interval of subframes to which the first plurality of sub-regions are mapped is greater than an interval of subframes to which the second plurality of sub-regions are mapped.
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