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公开(公告)号：US09031026B2
公开(公告)日：2015-05-12
申请号：US13846391
申请日：2013-03-18
Inventor： Takashi Iwai , Daichi Imamura , Tomofumi Takata , Yoshihiko Ogawa
CPC classification number: H04W72/0446 , H04J13/0055 , H04J13/0062 , H04J13/22 , H04W72/0453 , H04W72/0466
Abstract: It is an object to provide a sequence allocating method that, while maintaining the number of Zadoff-Chu sequences to compose a sequence group, is configured to make it possible to reduce correlations between different sequential groups. This method includes the steps of setting a standard sequence with a standard sequence length (Nb) and a standard sequence number (rb) in a step (ST101), setting a threshold value (Xth(m)) in accordance with an RB number (m) in a step (ST103), setting a sequence length (N) corresponding to RB number (m) in a step (ST104), judging whether ¦r/N−rb/Nb¦=Xth(m) is satisfied in a step (ST106), including a plurality of Zadoff-Chu sequences with a sequence number (r) and a sequence length (N) in a sequence group (rb) in a step (ST107) if the judgment is positive, and allocating the sequence group (rb) to the same cell in a step (ST112).
Abstract translation: 本发明的目的是提供一种在保持Zadoff-Chu序列的数量以构成序列组的同时，使得可以减少不同顺序组之间的相关性的序列分配方法。 该方法包括以下步骤：在步骤（ST101）中设置标准序列长度（Nb）和标准序列号（rb）的标准序列，根据RB号设置阈值（Xth（m）） 在步骤（ST103）中，在步骤（ST104）中设定与RB编号（m）相对应的序列长度（N）（步骤（ST104）），判断是否满足{r / N-rb /Nb≤Xth 步骤（ST106），如果判断为肯定，则在步骤（ST107）中包括序列号（rb）中的序列号（r）和序列长度（N）的多个Zadoff-Chu序列，并且分配序列 组（rb）到步骤中的相同单元（ST112）。
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52.发明申请TERMINAL DEVICE, WIRELESS TRANSMISSION METHOD, BASE STATION DEVICE, AND CHANNEL ESTIMATION METHOD 有权终端设备，无线传输方法，基站设备和信道估计方法公开(公告)号：US20150009847A1
公开(公告)日：2015-01-08
申请号：US14378071
申请日：2013-02-22
Inventor： Takashi Iwai , Daichi Imamura , Akihiko Nishio , Yoshihiko Ogawa , Kazuki Takeda
IPC: H04L25/02
CPC classification number: H04L25/024 , H04B7/024 , H04B7/0452 , H04J11/005 , H04J13/0062 , H04J13/22 , H04L5/001 , H04L5/0048 , H04L25/0204 , H04L25/022 , H04L25/0228 , H04L25/03159 , H04L2025/03426 , H04W84/042
Abstract: The present invention adopts a configuration such that when cooperative reception by a plurality of base stations is not applied, a reference signal sequence determined from a selection baseline value corresponding to the number of a sequence group allocated to a cell belonging to the device in question is selected from among a plurality of selection baseline values as a reference signal sequence for non-cooperative reception, whereas when cooperative reception by a plurality of base stations is applied, a reference signal sequence determined from one or more intermediate selection baseline values set between two adjacent selection baseline values corresponding to the number of a sequence group allocated individually to a terminal device is selected among the plurality of selection baseline values as a reference signal sequence for cooperative reception differing from the reference signal sequence for non-cooperative reception.
Abstract translation: 本发明采用这样的结构，即当不应用由多个基站进行协同接收时，从与分配给属于所述设备的小区的序列组的数量相对应的选择基准值确定的参考信号序列是 从多个选择基准值中选择作为用于非协作接收的参考信号序列，而当应用由多个基站进行协作接收时，从由两个相邻的基站之间设置的一个或多个中间选择基线值确定的参考信号序列 在多个选择基准值之中选择与分别分配给终端装置的序列组的编号相对应的选择基准值，作为与用于非合作接收的参考信号序列不同的协同接收的参考信号序列。
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公开(公告)号：US12156188B2
公开(公告)日：2024-11-26
申请号：US17572378
申请日：2022-01-10
Inventor： Ankit Bhamri , Hidetoshi Suzuki , Xuan Tuong Tran , Yoshihiko Ogawa
IPC: H04W72/0453 , H04W72/23
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：US12114311B2
公开(公告)日：2024-10-08
申请号：US18503931
申请日：2023-11-07
Inventor： Tetsuya Yamamoto , Hidetoshi Suzuki , Yoshihiko Ogawa
CPC classification number: H04W72/20 , H04L5/0055
Abstract: A terminal with which it is possible to appropriately transmit uplink control information. In a terminal (200), a reception unit (202) receives first control information relating to an uplink data channel, and a second control information relating to an uplink control channel for transmitting uplink control information. The first control information includes first indication information indicating the presence or absence of an uplink data transmission and second indication information indicating the presence or absence a channel state information transmission. A transmission unit (220) transmits uplink control information using the resource of the uplink data channel when the first indication information indicates that there is no uplink data transmission and the second indication information indicates that there is no channel state information transmission.
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公开(公告)号：US12088395B2
公开(公告)日：2024-09-10
申请号：US17796608
申请日：2020-12-03
Inventor： Xuan Tuong Tran , Hidetoshi Suzuki , Lei Huang , Tien-Ming Benjamin Koh , Yang Kang , Akihiko Nishio , Yoshihiko Ogawa
CPC classification number: H04B7/088 , H04B7/0408 , H04B7/0695 , H04W72/21 , H04W72/23 , H04W76/18
Abstract: Apparatuses and systems for providing multiple structures to enable flexibility of a multiple transmission and reception point ultra-reliable low-latency communication (M-TRP URLLC) operation and reduce measurement effort and power consumption from a transceiving apparatus such as a UE are provided. The techniques disclosed here feature a transceiving apparatus including a transceiver and circuitry. The transceiver, in operation, receives signals from multiple transmission and reception points (M-TRPs) in a network on at least physical downlink shared channels (PDSCHs). The circuitry, in operation, performs beam failure recovery (BFR) by evaluating beam failure detection (BFD) and candidate new beam detection (CBD) for the signals from at least a first one of the M-TRPs. The signals from the first one of the M-TRPs comprise signals received on a physical downlink control channel (PDCCH), and the circuitry determines to skip evaluation of one or both of the BFD and the CBD for one or more additional ones of the M-TRPs in response to one or more conditions.
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Patent Agency Ranking
公开(公告)号：US11864204B2
公开(公告)日：2024-01-02
申请号：US18057653
申请日：2022-11-21
Inventor： Lilei Wang , Kazuki Takeda , Ayako Horiuchi , Alexander Golitschek Edler Von Elbwart , Masayuki Hoshino , Yoshihiko Ogawa
CPC classification number: H04W72/23 , H04L5/0048 , H04L5/0094 , H04L25/0226 , H04W16/32 , H04L5/0023 , H04L5/0035
Abstract: The present disclosure aims at allowing a demodulation reference signal (DMRS) pattern suitable for a terminal to be selected from among a plurality of DMRS patterns including Legacy DMRS and Reduced DMRS. Disclosed is a terminal including: reception section 21 that receives uplink control information; control section 23 that determines a specific mapping pattern from among a plurality of mapping patterns for an uplink DMRS on the basis of the control information; and DMRS generating section 24 that generates a DMRS according to the specific mapping pattern.
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公开(公告)号：US11616619B2
公开(公告)日：2023-03-28
申请号：US17255917
申请日：2019-08-26
Inventor： Shotaro Maki , Takashi Iwai , Ayako Horiuchi , Ankit Bhamri , Yoshihiko Ogawa
Abstract: Provided is a base station with which it is possible to appropriately arrange a reference signal. In a base station (100), a control unit (101) determines a second threshold value on the basis of a first threshold value used in determining the arrangement of a reference signal. A transmission unit (105) transmits the reference signal arranged on the basis of the second threshold value.
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公开(公告)号：US11540265B2
公开(公告)日：2022-12-27
申请号：US17131286
申请日：2020-12-22
Inventor： Lilei Wang , Kazuki Takeda , Ayako Horiuchi , Alexander Golitschek Edler von Elbwart , Masayuki Hoshino , Yoshihiko Ogawa
Abstract: The present disclosure aims at allowing a demodulation reference signal (DMRS) pattern suitable for a terminal to be selected from among a plurality of DMRS patterns including Legacy DMRS and Reduced DMRS. Disclosed is a terminal including: reception section 21 that receives uplink control information; control section 23 that determines a specific mapping pattern from among a plurality of mapping patterns for an uplink DMRS on the basis of the control information; and DMRS generating section 24 that generates a DMRS according to the specific mapping pattern.
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公开(公告)号：US11005543B2
公开(公告)日：2021-05-11
申请号：US14383021
申请日：2013-03-08
Inventor： Tadashi Yoshida , Ayako Horiuchi , Takashi Iwai , Yoshihiko Ogawa , Akihiko Nishio
Abstract: This invention is a transmission device capable of enhancing the reception characteristics of a terminal when employing transmit diversity using two antenna ports in an ePDCCH. In a base station (100) that transmits a reference signal to a terminal (200) using two antenna ports, a setting unit (102), on the basis of the reception quality of the terminal, sets as the aforementioned two antenna ports either a first antenna port pair for which DMRS (reference signals) do not undergo mutual code multiplexing, or a second antenna port pair for which the DMRS do undergo code multiplexing. A transmitter (109) transmits the DMRS from the two antenna ports set in the setting unit (102).
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公开(公告)号：US20210112535A1
公开(公告)日：2021-04-15
申请号：US17131286
申请日：2020-12-22
Inventor： Lilei Wang , Kazuki Takeda , Ayako Horiuchi , Alexander Golitschek Edler von Elbwart , Masayuki Hoshino , Yoshihiko Ogawa
Abstract: The present disclosure aims at allowing a demodulation reference signal (DMRS) pattern suitable for a terminal to be selected from among a plurality of DMRS patterns including Legacy DMRS and Reduced DMRS. Disclosed is a terminal including: reception section 21 that receives uplink control information; control section 23 that determines a specific mapping pattern from among a plurality of mapping patterns for an uplink DMRS on the basis of the control information; and DMRS generating section 24 that generates a DMRS according to the specific mapping pattern.
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