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公开(公告)号：US10667246B2
公开(公告)日：2020-05-26
申请号：US16210483
申请日：2018-12-05
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：US10243701B2
公开(公告)日：2019-03-26
申请号：US15409361
申请日：2017-01-18
Inventor： Chi Gao , Hidetoshi Suzuki , Masayuki Hoshino , Seigo Nakao
Abstract: The present disclosure provides wireless communication methods for repeated transmission of channels, and wireless communication devices therefor. In one embodiment, the gap between the starting subframe of a first channel and the starting subframe of a second channel is defined or configured. In another embodiment, Mx*W=M and Mx*n=N is satisfied, where Mx is the number of subframes reserved for the channel in one HARQ process, M is RTT for one HARQ process, W is a positive integer and represents the maximum number of HARQ processes transmitting the channel within M subframes, N is the gap between the starting subframes of the channel in two HARQ processes, and n is a positive integer. In yet another embodiment, time-frequency resources for the channel in different HARQ processes are different.
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公开(公告)号：US20190037543A1
公开(公告)日：2019-01-31
申请号：US16144770
申请日：2018-09-27
Inventor： Tetsuya Yamamoto , Hidetoshi Suzuki , Alexander Golitschek Edler von Elbwart , Seigo Nakao
CPC classification number: H04W72/042 , H04B1/707 , H04J11/00 , H04J13/004 , H04J13/0074 , H04J13/18 , H04L1/08 , H04W4/30 , H04W4/70 , H04W72/04
Abstract: A plurality of the same signals to be repetitively transmitted over multiple subframes are multiplied, in each subframe, by one of components of one sequence of a plurality of orthogonal sequences orthogonal to each other thereby generating a transmission signal. The generated transmission signal is transmitted.
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公开(公告)号：US10050729B2
公开(公告)日：2018-08-14
申请号：US15088263
申请日：2016-04-01
Inventor： Ayako Horiuchi , Masayuki Hoshino , Seigo Nakao
IPC: H04L1/00 , H04B17/318 , H04L5/00 , 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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35.发明申请APPARATUS AND METHOD FOR GENERATING AND TRANSMITTING REFERENCE SIGNAL IN RADIO COMMUNICATION 审中-公开用于在无线电通信中产生和发送参考信号的装置和方法公开(公告)号：US20160183246A1
公开(公告)日：2016-06-23
申请号：US15057969
申请日：2016-03-01
Inventor： Tomofumi Takata , Daichi Imamura , Seigo Nakao , Sadaki Futagi , Takashi Iwai , Yoshihiko Ogawa
CPC classification number: H04L5/0048 , H04B7/0632 , H04J11/00 , H04J13/0003 , H04J13/0055 , H04J13/0059 , H04J13/0074 , H04J13/10 , H04L5/0007 , H04L5/0057 , H04L25/0204 , H04L25/0208 , H04L25/0228 , H04L27/2695 , H04W72/0413 , H04W72/0446 , H04W72/082 , H04W88/02
Abstract: It is possible to provide a radio communication terminal device and a radio transmission method which can improve reception performance of a CQI and a reference signal. A phase table storage unit stores a phase table which correlates the amount of cyclic shift to complex coefficients {w1, w2} to be multiplied on the reference signal. A complex coefficient multiplication unit reads out a complex coefficient corresponding to the amount of cyclic shift indicated by resource allocation information, from the phase table storage unit and multiplies the read-out complex coefficient on the reference signal so as to change the phase relationship between the reference signals in a slot.
Abstract translation: 可以提供可以提高CQI的接收性能和参考信号的无线通信终端装置和无线发送方法。 相位表存储单元存储将循环移位量与要参考信号相乘的复系数{w1，w2}相关联的相位表。 复系数乘法单元从相位表存储单元读出与由资源分配信息指示的循环移位量相对应的复数系数，并将读出的复数系数与参考信号相乘，以便改变相关关系 参考信号在一个插槽。
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Patent Agency Ranking
公开(公告)号：US09344253B2
公开(公告)日：2016-05-17
申请号：US14935211
申请日：2015-11-06
Inventor： Seigo Nakao , Daichi Imamura
CPC classification number: H04L1/1893 , H04J13/0003 , H04J13/0059 , H04J13/0074 , H04J13/22 , H04L1/0061 , H04L1/1825 , H04L1/1854 , H04L1/1861 , H04L1/1896 , H04L5/0007 , H04L5/0053 , H04L5/0055 , H04L5/006 , H04L5/0091 , H04L25/03866 , H04L27/2602 , H04L27/2613 , H04L27/2626 , H04L2001/125 , H04W72/0406 , H04W72/0413 , H04W72/042
Abstract: Provided is a radio communication device which can make Acknowledgement (ACK) reception quality and Negative Acknowledgement (NACK) reception quality to be equal to each other. The device includes: a scrambling unit (214) which multiplies a response signal after modulated, by a scrambling code “1” or “e−j(π/2)” so as to rotate a constellation for each of response signals on a cyclic shift axis; a spread unit (215) which performs a primary spread of the response signal by using a Zero Auto Correlation (ZAC) sequence set by a control unit (209); and a spread unit (218) which performs a secondary spread of the response signal after subjected to the primary spread, by using a block-wise spread code sequence set by the control unit (209).
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37.发明申请BASE STATION APPARATUS, COMMUNICATION METHOD, TERMINAL APPARATUS AND INTEGRATED CIRCUIT 有权基站装置，通信方法，终端装置和集成电路公开(公告)号：US20160128035A1
公开(公告)日：2016-05-05
申请号：US14966278
申请日：2015-12-11
Inventor： Seigo Nakao , Akihiko Nishio , Daichi Imamura , Takahisa Aoyama
CPC classification number: H04W72/042 , H04L1/004 , H04L5/0007 , H04L5/001 , H04L5/003 , H04L5/0046 , H04L5/0053 , H04L5/0094 , H04W28/06 , H04W72/0453
Abstract: Provided are a radio terminal device, a radio base station device, and a channel signal forming method which can prevent quality degradation of the downlink resource allocation information by reducing the frequency of the zero information addition process to the downlink resource allocation information when executing communication using an uplink unit band and multiple downlink unit bands correlated to the uplink unit band. A base station includes: a PDCCH generation unit which includes the uplink allocation information relating to the uplink unit band only in some of the channel signals formed for each of the downlink unit bands; and a padding unit which adds zero information to the downlink allocation information only in the selected some channel signals having the bandwidth of the corresponding downlink unit band smaller than that of the uplink unit band until the downlink allocation information size becomes equal to the uplink allocation information size.
Abstract translation: 提供一种无线电终端设备，无线电基站设备和信道信号形成方法，其可以通过在执行通信时将下行链路资源分配信息的零信息添加处理的频率降低来防止下行链路资源分配信息的质量劣化 上行链路单位频带和与上行单位频带相关的多个下行单位频带。 基站包括：PDCCH生成单元，其仅在针对每个下行链路单位频带形成的一些信道信号中包括与上行链路单位频带有关的上行链路分配信息; 以及填充单元，其仅在所选择的一些信道信号中将下行链路分配信息添加到下行链路单位频带的带宽，直到下行链路分配信息大小变得等于上行链路分配信息为止 尺寸。
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公开(公告)号：US20160065348A1
公开(公告)日：2016-03-03
申请号：US14935217
申请日：2015-11-06
Inventor： Seigo Nakao , Daichi Imamura
CPC classification number: H04L1/1893 , H04J13/0003 , H04J13/0059 , H04J13/0074 , H04J13/22 , H04L1/0061 , H04L1/1825 , H04L1/1854 , H04L1/1861 , H04L1/1896 , H04L5/0007 , H04L5/0053 , H04L5/0055 , H04L5/006 , H04L5/0091 , H04L25/03866 , H04L27/2602 , H04L27/2613 , H04L27/2626 , H04L2001/125 , H04W72/0406 , H04W72/0413 , H04W72/042
Abstract: Provided is a radio communication device which can make Acknowledgement (ACK) reception quality and Negative Acknowledgement (NACK) reception quality to be equal to each other. The device includes: a scrambling unit (214) which multiplies a response signal after modulated, by a scrambling code “1” or “e−j(π/2)” so as to rotate a constellation for each of response signals on a cyclic shift axis; a spread unit (215) which performs a primary spread of the response signal by using a Zero Auto Correlation (ZAC) sequence set by a control unit (209); and a spread unit (218) which performs a secondary spread of the response signal after subjected to the primary spread, by using a block-wise spread code sequence set by the control unit (209).
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公开(公告)号：US09265042B2
公开(公告)日：2016-02-16
申请号：US14698372
申请日：2015-04-28
Inventor： Masayuki Hoshino , Akihiko Nishio , Seigo Nakao , Daichi Imamura
IPC: H04W72/04 , H04W72/12 , H04L5/00 , H04L25/02 , H04L1/00 , H04L1/06 , H04L1/20 , H04B7/06 , H04L1/18
CPC classification number: H04W72/044 , H04B7/0486 , H04B7/0626 , H04B7/0632 , H04L1/0026 , H04L1/06 , H04L1/1829 , H04L1/20 , H04L5/0023 , H04L5/0048 , H04L5/0051 , H04L5/0053 , H04L5/006 , H04L5/0073 , H04L5/0082 , H04L5/0094 , H04L25/0224 , H04W72/0406 , H04W72/1215
Abstract: Where first and second reference signals for a first and second communication system, respectively, are transmitted, resources that affect a reception apparatus compatible only with the first communication system can be minimized, and the throughput can be prevented from being deteriorated. As resources for a reference signal CSI-RS for LTE-A, last half symbols in a time direction of a resource unit RB/Sub-frame defined in a frequency-time domain are used, and the CSI-RS is allocated in a position up to the last two symbols or in the last symbol, or the like, of a particular RB/Sub-frame and transmitted when a reference signal 4RS for LTE is transmitted to a reception apparatus in addition to transmitting CSI-RS for LTE-A. The reception apparatus receives CSI-RS allocated in the last half symbol of RB/Sub-frame based on CSI-RS allocation information, measures channel quality by using this CSI-RS, and transmits and reports feedback information.
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公开(公告)号：US09241329B2
公开(公告)日：2016-01-19
申请号：US14531897
申请日：2014-11-03
Inventor： Shinsuke Takaoka , Daichi Imamura , Seigo Nakao
CPC classification number: H04W72/042 , H04B1/713 , H04J1/02 , H04L5/0005 , H04L5/0012 , H04L27/2605
Abstract: Disclosed are a wireless communication apparatus and frequency hopping method which minimize the change in the instantaneous power distribution characteristics of the time waveform of transmission signals when a plurality of channels are multiplexed by frequency division. At a terminal (200), a mapping unit (212) maps the PUCCH to frequency resources of a first slot, maps the PUSCH to frequency resources, among the frequency resources of the first slot, separated exactly by predetermined frequency spacing (B) from the frequency resources to which the PUCCH is mapped, and cyclically shifts the frequencies so as to map the PUCCH and PUSCH to frequency resources, within an IDFT or IFFT bandwidth, of a second slot while maintaining the predetermined frequency spacing (B), thereby allowing frequency hopping of the PUCCH and PUSCH between the first slot and the second slot.
Abstract translation: 公开了一种无线通信装置和跳频方法，其中，当通过分频复用多个信道时，使传输信号的时间波形的瞬时功率分布特性的变化最小化。 在终端（200），映射单元（212）将PUCCH映射到第一时隙的频率资源，将PUSCH映射到第一时隙的频率资源中，将其精确地与预定的频率间隔（B）分离 PUCCH映射的频率资源，并循环地移动频率，以便在维持预定的频率间隔（B）的同时在第二时隙的IDFT或IFFT带宽内将PUCCH和PUSCH映射到频率资源，从而允许 第一时隙和第二时隙之间的PUCCH和PUSCH的跳频。
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