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公开(公告)号：US20210195569A1
公开(公告)日：2021-06-24
申请号：US17195983
申请日：2021-03-09
Inventor： Ayako HORIUCHI , Hidetoshi SUZUKI
IPC: H04W72/04
Abstract: In a base station, a signal allocating unit allocates downlink control signals (DCI) to a control channel region (CORESET) constituted by a plurality of control channel elements (CCEs), and a transmitting unit transmits the downlink control signals. In this case, the number of resource element groups (REGs) that constitute the CCE is a power of 2, and a bundling size indicating the number of REGs included in the REGs that constitute the CCE and arranged in adjacent resource blocks is a power of 2.
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公开(公告)号：US20210153182A1
公开(公告)日：2021-05-20
申请号：US17163011
申请日：2021-01-29
Inventor： Ayako HORIUCHI , Hidetoshi SUZUKI , Lilei WANG
Abstract: A terminal is disclosed, which is capable of appropriately determining a resource to which a DCI is mapped. A DCI receiver (203) receives first and second downlink (DL) control signals, and a signal demultiplexer (202) demultiplexes a DL data signal from a received signal, using the first and the second DL control signals. The DCI receiver (203) identifies a resource for the second DL control signal based on information on the first DL control signal, or information on the DL data signal, indicated by the first DL control signal.
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公开(公告)号：US20200275465A1
公开(公告)日：2020-08-27
申请号：US16081761
申请日：2016-03-30
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：US20200092856A1
公开(公告)日：2020-03-19
申请号：US16471855
申请日：2017-01-06
Inventor： Ayako HORIUCHI , Hidetoshi SUZUKI , Lilei WANG
Abstract: A terminal is disclosed, which is capable of appropriately determining a resource to which a DCI is mapped. A DCI receiver (203) receives first and second downlink (DL) control signals, and a signal demultiplexer (202) demultiplexes a DL data signal from a received signal, using the first and the second DL control signals. The DCI receiver (203) identifies a resource for the second DL control signal based on information on the first DL control signal, or information on the DL data signal, indicated by the first DL control signal.
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公开(公告)号：US20200084010A1
公开(公告)日：2020-03-12
申请号：US16681635
申请日：2019-11-12
Inventor： Ayako HORIUCHI , Lilei WANG , Alexander GOLITSCHEK EDLER VON ELBWART , Hidetoshi SUZUKI , Kazuki TAKEDA
Abstract: A communication apparatus includes control circuitry and a transmitter. In operation, the control circuitry selects a Demodulation Reference Signal (DMRS) mapping pattern from among a plurality of DMRS mapping patterns. The DMRS mapping patterns include a first DMRS mapping pattern with first DMRS resource elements to which first DMRSs in a first half of a subframe are mapped and second DMRS resource elements to which second DMRSs in a second half of the subframe are mapped. Also, in operation, the transmitter transmits downlink control information that includes a plurality of bits indicating the selected DMRS mapping pattern.
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Patent Agency Ranking
公开(公告)号：US20190165891A1
公开(公告)日：2019-05-30
申请号：US16320922
申请日：2016-08-11
Inventor： Takashi IWAI , Hidetoshi SUZUKI , Ayako HORIUCHI , Lilei WANG , Joachim LOEHR
Abstract: A self-contained operation using a time-unit configuration taking into consideration HARQ processes is performed. In base station, transmission section transmits a downlink signal in a downlink transmission region in a time unit composed of the downlink transmission region, an uplink transmission region, and a gap interval that is a switching point from the downlink transmission region to the uplink transmission region; and reception section receives an uplink signal in the uplink transmission region in the time unit. Each time unit includes the downlink transmission region and the uplink transmission region for each of HARQ processes.
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公开(公告)号：US20190097782A1
公开(公告)日：2019-03-28
申请号：US16203179
申请日：2018-11-28
Inventor： Ayako HORIUCHI , Lilei WANG , Alexander GOLITSCHEK EDLER VON ELBWART , Hidetoshi SUZUKI , Kazuki TAKEDA
IPC: H04L5/00 , H04L1/00 , H04W52/32 , H04L27/26 , H04B7/0452
Abstract: A communication apparatus includes control circuitry and a transmitter. In operation, the control circuitry selects a Demodulation Reference Signal (DMRS) mapping pattern from among a plurality of DMRS mapping patterns. The DMRS mapping patterns include a first DMRS mapping pattern with first DMRS resource elements to which first DMRSs in a first half of a subframe are mapped and second DMRS resource elements to which second DMRSs in a second half of the subframe are mapped. Also, in operation, the transmitter transmits downlink control information that includes a plurality of bits indicating the selected DMRS mapping pattern.
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公开(公告)号：US20160088597A1
公开(公告)日：2016-03-24
申请号：US14955964
申请日：2015-12-01
Inventor： Yoshiko SAITO , Ayako HORIUCHI , Seigo NAKAO , Akihiko NISHIO , Daichi IMAMURA , Alexander GOLITSCHEK EDLER VON ELBWART , Sujuan FENG
IPC: H04W72/04
CPC classification number: H04W72/042 , H04J11/0079 , H04L5/001 , H04L5/0051 , H04L5/0053 , H04L5/0094
Abstract: A communication apparatus has a receiver and a decoder. The receiver receives a control signal including first downlink control information and second downlink control information, and receives decoding area information that indicates whether the extended Physical Downlink Control Channel (PDCCH) should be decoded for each of a plurality of terminal apparatuses. The decoder decodes each of a plurality of first mapping candidates in the PDCCH area or decodes each of the plurality of first mapping candidates in the PDCCH area and each of the plurality of second mapping candidates in the extended PDCCH. A number of the second mapping candidates included in the user-specific search space equals to or is more than a number of the first mapping candidates included in the common search space.
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公开(公告)号：US20150358949A1
公开(公告)日：2015-12-10
申请号：US14830007
申请日：2015-08-19
Inventor： Toru OIZUMI , Seigo NAKAO , Ayako HORIUCHI
CPC classification number: H04W72/042 , H04L5/001 , H04L5/0023 , H04L5/0048 , H04L5/0053 , H04L5/006 , H04L5/0094 , H04W72/0446 , H04W84/042
Abstract: In the base station (100), a search space setting unit (103) sets a search space on the basis of a search space setting rule in accordance with R-PDCCH range of a setting target slot, and an allocating unit (108) places DCI in one of a plurality of candidates of to-be-decoded unit range included in the set search space. The search space setting rules are associated with respective numbers of candidates of to-be-decoded unit range corresponding to the respective ones of a plurality of numbers of connections for R-CCE, and a first search space setting rule of a slot 0 and a second search space setting rule of a slot 1 are different from each other in terms of the patterns related to the numbers of candidates of to-be-decoded unit range corresponding to the plurality of numbers of connections for R-CCE.
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公开(公告)号：US20150043497A1
公开(公告)日：2015-02-12
申请号：US14488113
申请日：2014-09-16
Inventor： Seigo NAKAO , Akihiko NISHIO , Masayuki HOSHINO , Ayako HORIUCHI
CPC classification number: H04W72/042 , H04L1/0029 , H04L1/08 , H04L1/1607 , H04L1/1854 , H04L1/1861 , H04L5/001 , H04L5/0053 , H04L5/0055 , H04W28/06 , H04W28/12 , H04W76/28
Abstract: Provided are a communication apparatus and a method for receiving a response signal transmitted from a terminal configured with one or more downlink component carriers. The communication apparatus includes a transmitting section and a receiving section. The transmitting section is configured to transmit, to the terminal, downlink assignment information indicating one or more resources for downlink data, each of the one or more resources being assigned to one of the one or more downlink component carrier(s), and configured to transmit the downlink data to the terminal. The receiving section is configured to receive one or more response signals for the downlink data, which are transmitted from the terminal. The terminal makes the phase points of the response signals different in accordance with a number of downlink data which has been successively received.
Abstract translation: 提供一种用于接收从配置有一个或多个下行链路分量载波的终端发送的响应信号的通信装置和方法。 通信装置包括发送部分和接收部分。 发送部分被配置为向终端发送指示用于下行链路数据的一个或多个资源的下行链路指派信息，所述一个或多个资源中的每一个被分配给所述一个或多个下行链路分量载波之一，并且被配置为 将下行链路数据发送到终端。 接收部分被配置为从终端发送的下行链路数据接收一个或多个响应信号。 终端使得响应信号的相位点根据已连续接收的下行链路数据的数量而不同。
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