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公开(公告)号：US20220191946A1
公开(公告)日：2022-06-16
申请号：US17442928
申请日：2020-03-24
Inventor： Akihiko NISHIO , Hidetoshi SUZUKI
Abstract: The purpose of the invention is to realize appropriate random-access procedures in accordance with propagation delay between a terminal and a base station. A terminal (100) comprises a wireless transmission unit (104) that transmits signals of a random-access channel, and a control unit (108) that controls resource settings regarding transmission of signals on the random-access channel on the basis of effectiveness of information relating to adjustment of transmission timing.
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公开(公告)号：US20220132506A1
公开(公告)日：2022-04-28
申请号：US17572378
申请日：2022-01-10
Inventor： Ankit BHAMRI , Hidetoshi SUZUKI , Xuan Tuong TRAN , Yoshihiko OGAWA
IPC: H04W72/04
Abstract: The present disclosure relates to a user equipment (UE) and a scheduling node, as well as to the corresponding methods. In particular, a downlink control information (DCI) signaling carries a Transmission Configuration Indication (TCI) indicator specifying that two or more TCI states are configured and a frequency-domain resource assignment indicating frequency-domain resources allocated for the two or more TCI states. For each TCI state of the two or more TCI states, one or more regions in frequency domain is/are determined, each region having an integer multiple of a precoding resource block group (PRG), said integer being equal to or larger than 1, wherein regions of different TCI states do not overlap. The data are received or transmitted for each TCI state on the frequency-domain resources in the determined frequency-domain region.
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公开(公告)号：US20220123981A1
公开(公告)日：2022-04-21
申请号：US17564931
申请日：2021-12-29
Inventor： Quan KUANG , Hidetoshi SUZUKI , Alexander GOLITSCHEK EDLER VON ELBWART
Abstract: The present disclosure relates to a transmission device, a reception device, a transmission method and a reception method. The transmission device comprises a circuitry which, in operation, maps data and/or a reference signal onto a resource unit of a communication system. The resource unit includes subcarriers of a first numerology and subcarriers of a second numerology, each of the subcarriers being orthogonal to the other subcarriers of the same numerology, wherein the first numerology differs from the second numerology at least by a larger subcarrier spacing, and the subcarriers of the first and the second numerologies are frequency-multiplexed on a subcarrier basis. The transmission device further comprises a transmitter which, in operation, transmits the mapped data and/or reference signal in the resource unit, including subcarriers of the first and/or of the second numerology, and also transmits an indication of the mapping for the resource unit, which comprises references to subcarriers from the subcarriers of the first and/or the second numerology, where: for the first numerology, all subcarriers of the resource unit can be referenced, and for the second numerology, only inter-numerology-orthogonal subcarriers thereof can be referenced, each of the inter-numerology-orthogonal subcarriers being centrally aligned with a subcarrier of the first numerology.
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公开(公告)号：US20220069950A1
公开(公告)日：2022-03-03
申请号：US17420957
申请日：2019-09-11
Inventor： Tomoya NUNOME , Takashi IWAI , Hidetoshi SUZUKI , Ayako HORIUCHI , Yoshihiko OGAWA
Abstract: A base station that can appropriately perform feedback with regard to data transmission. A base station (100), wherein on the basis of a resource allocation configuration that was configured by a terminal (200), a DFI generation unit (106) determines a transmission method for feedback information that includes a response signal regarding uplink data. A transmission unit (110) transmits the feedback information on the basis of the transmission method.
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公开(公告)号：US20220038248A1
公开(公告)日：2022-02-03
申请号：US17503159
申请日：2021-10-15
Inventor： Ayako HORIUCHI , Lilei WANG , Alexander GOLITSCHEK EDLER VON ELBWART , Hidetoshi SUZUKI , Kazuki TAKEDA
Abstract: A communication apparatus includes a circuitry and a transmitter. In operation, the circuitry generates a Demodulation Reference Signal (DMRS) and generates downlink control information indicating a mapping pattern of the DMRS from a plurality of mapping patterns, and the transmitter transmits the DMRS and the downlink control information. The plurality of mapping patterns include a first mapping pattern and a second mapping pattern. Resource elements used for the DMRS of the second mapping pattern are same as a part of resource elements used for the DMRS of the first mapping pattern. A number of the resource elements used for the DMRS of the first mapping pattern is larger than a number of the resource elements used for the DMRS of the second mapping pattern.
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Patent Agency Ranking
公开(公告)号：US20220006597A1
公开(公告)日：2022-01-06
申请号：US17476338
申请日：2021-09-15
Inventor： Tetsuya YAMAMOTO , Alexander GOLITSCHEK EDLER VON ELBWART , Lilei WANG , Ayako HORIUCHI , Hidetoshi SUZUKI
Abstract: A communication apparatus includes circuitry that determines a number of resource blocks forming a resource block group, which is a unit used to allocate a resource to the communication apparatus, in a first band or in a second band that is an expanded band to which the first band is expanded, and a subcarrier spacing for the second band is same or different from a subcarrier spacing for the first band; and a transceiver that is coupled to the circuitry and that communicates with a base station using the resource. One of the number of resource blocks set for the first band and the number of resource blocks set for the second band is an integer multiple of the other, and the number of resource blocks set for the first band and the number of resource blocks set for the second band are values that are a power of two.
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公开(公告)号：US20210337582A1
公开(公告)日：2021-10-28
申请号：US17370866
申请日：2021-07-08
Inventor： Quan KUANG , Hidetoshi SUZUKI
Abstract: The present disclosure provides a transceiver device and scheduling device, and communication methods for transceiver device and scheduling device. The transceiver device comprises a transceiver which, in operation, receives a physical downlink control channel (PDCCH), indicating a frequency range included in a carrier and applicable for transmission to be performed between the transceiver device and a scheduling device and a slot format indicating a sequence of symbol types by which the transmission is to be performed on a plurality of symbols included in a slot on the frequency range, the symbol types including at least one of an uplink symbol type, a downlink symbol type, and a flexible symbol type, and circuitry which, in operation, determines, based on the PDCCH, the frequency range and the slot format. The transceiver, in operation, performs the transmission on the frequency range in compliance with the slot format.
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公开(公告)号：US20210328622A1
公开(公告)日：2021-10-21
申请号：US17364353
申请日：2021-06-30
Inventor： Ankit BHAMRI , Hidetoshi SUZUKI , Quan KUANG , David GONZALEZ , Rikin SHAH
IPC: H04B1/7143 , H04B1/7156
Abstract: The disclosure relates to a communication device, a base station and respective integrated circuits and methods for a communication device and a base station. The communication device comprises a transceiver which, in operation, receives, from a base station, a hopping pattern indicator, a hopping pattern being an order of a plurality of bandwidth parts by which a signal is to be received or transmitted in a plurality of transmission time intervals, TTIs, a bandwidth part being formed by at least one physical resource block. The communication device further comprises circuitry which, in operation, determines a hopping pattern to be applied based on the hopping pattern indicator. The transceiver, in operation, further receives or transmits the signal in the plurality of TTIs according to the determined hopping pattern.
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公开(公告)号：US20210160926A1
公开(公告)日：2021-05-27
申请号：US17045717
申请日：2019-03-27
Inventor： Ming-Hung TAO , Rikin SHAH , Hidetoshi SUZUKI
Abstract: The present disclosure relates to a mobile terminal and base station and respective operation methods. The mobile terminal comprises circuitry, which in operation, determines a condition for requesting on-demand a transmission of other system information; performs a random access procedure; and receives via broadcast a system information message including the on-demand requested other system information. The system information request message of the random access procedure includes an information element with a bit-pattern conforming to a specific format with at least a part of the bit-pattern for requesting the other system information. And the contention resolution message of the random access procedure includes the same, or the same part of the bit-pattern for detecting collisions during the random access procedure.
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公开(公告)号：US20210153207A1
公开(公告)日：2021-05-20
申请号：US17128348
申请日：2020-12-21
Inventor： Ankit BHAMRI , Hidetoshi SUZUKI , Hongchao LI
Abstract: The disclosure relates to a transmission device for transmitting data to a reception device in a communication system. The transmission device comprises circuitry which, in operation, allocates the data to a plurality of transmission time intervals, TTIs, respectively comprising a lower number of symbols than a slot and the plurality of TTIs including an initial TTI and one or more subsequent TTIs subsequent to the initial TTI, wherein the data allocated to each of the plurality of TTIs is the same, further allocates a demodulation reference signal, DMRS, to the initial TTI, and obtains a DMRS allocation for each of the subsequent TTIs indicating whether or not no DMRS is allocated to the respective TTI to be transmitted in addition to the data. The transmission device further comprises a transceiver which, in operation, transmits, within the slot, the data and DMRS in accordance with the DMRS allocation.
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