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    User equipment and base station involved in a handover
    2.
    发明授权
    User equipment and base station involved in a handover 有权

    公开(公告)号：US12231971B2

    公开(公告)日：2025-02-18

    申请号：US17631398

    申请日：2020-08-05

    Applicant: Panasonic Intellectual Property Corporation of America

    Inventor： Ming-Hung Tao ,  Hidetoshi Suzuki ,  Rikin Shah ,  Akihiko Nishio ,  Hongchao Li

    IPC: H04W36/00 ,  H04W56/00

    Abstract: The present disclosure relates to a user equipment (UE) that comprises a receiver of the UE receives, from a source base station of a source radio cell, a common timing advance value for a target radio cell. The UE is connected to the source radio cell and is involved in a handover procedure to hand over the UE from the source radio cell to the target radio cell. Further, the common timing advance value is received from the source base station in a first message of the handover procedure, which also comprises a timing indication for transmitting a second message from the UE to the target base station. Then, a processor of the UE determines a first uplink timing of uplink transmissions to the target base station with respect to downlink transmissions from the target base station, based on the received common timing advance value and the timing indication. A transmitter of the UE transmits a second message of the handover procedure to the target base station based on the determined uplink timing. The processor determines a UE-specific timing advance value, specific to the UE and the target radio cell, to be used by the UE for performing uplink transmissions in the target radio cell.

    Communication apparatus and retransmission control method
    5.
    发明授权
    Communication apparatus and retransmission control method 有权

    公开(公告)号：US11483114B2

    公开(公告)日：2022-10-25

    申请号：US17112653

    申请日：2020-12-04

    Applicant: Panasonic Intellectual Property Corporation of America

    Inventor： Ayako Horiuchi ,  Akihiko Nishio

    IPC: H04L5/00 ,  H04L1/18 ,  H04W72/04 ,  H04W72/14 ,  H04L1/12

    Abstract: Provided is a wireless communication device. A PHICH reception unit determines whether a received signal in a PHICH region is an ACK signal or a NACK signal. When doing so, the PHICH reception unit does not receive a PHICH in a subframe in which a terminal monitors an E-PDCCH. A control signal reception unit outputs a retransmission prompting signal to a signal allocation unit when the signal outputted from the PHICH reception unit is a NACK signal and when a UL grant was not detected. Meanwhile, when a UL grant was detected, the control signal reception unit outputs the detected UL grant to the signal allocation unit. The signal allocation unit maps the transmission signal in accordance with the retransmission prompting signal and the UL grant and transmits the transmission signal from a wireless transmission unit.

    Communication apparatus and retransmission control method
    6.
    发明授权
    Communication apparatus and retransmission control method 有权

    公开(公告)号：US10892869B2

    公开(公告)日：2021-01-12

    申请号：US16656223

    申请日：2019-10-17

    Applicant: Panasonic Intellectual Property Corporation of America

    Inventor： Ayako Horiuchi ,  Akihiko Nishio

    IPC: H04L5/00 ,  H04L1/18 ,  H04W72/04 ,  H04W72/14 ,  H04L1/12

    Abstract: Provided is a wireless communication device. A PHICH reception unit determines whether a received signal in a PHICH region is an ACK signal or a NACK signal. When doing so, the PHICH reception unit does not receive a PHICH in a subframe in which a terminal monitors an E-PDCCH. A control signal reception unit outputs a retransmission prompting signal to a signal allocation unit when the signal outputted from the PHICH reception unit is a NACK signal and when a UL grant was not detected. Meanwhile, when a UL grant was detected, the control signal reception unit outputs the detected UL grant to the signal allocation unit. The signal allocation unit maps the transmission signal in accordance with the retransmission prompting signal and the UL grant and transmits the transmission signal from a wireless transmission unit.

    Wireless communication method of signaling CoMP states, and transmission point and user equipment therefor
    8.
    发明授权
    Wireless communication method of signaling CoMP states, and transmission point and user equipment therefor 有权
    信令CoMP状态的无线通信方式，传输点和用户设备

    公开(公告)号：US09538519B2

    公开(公告)日：2017-01-03

    申请号：US14426667

    申请日：2012-09-25

    Applicant: Panasonic Intellectual Property Corporation of America

    Inventor： Hui Tong ,  Masayuki Hoshino ,  Akihiko Nishio ,  Hidetoshi Suzuki

    IPC: H04W28/06 ,  H04W72/04 ,  H04B7/02 ,  H04L1/18

    CPC classification number: H04W72/042 ,  H04B7/024 ,  H04L1/1861 ,  H04W28/06

    Abstract: The wireless communication comprises: transmitting downlink control information (DCI) from a transmission point to an UE for the enabled TB and the disabled TB, wherein the DCI comprises a 8-value indicator to indicate CoMP states for the enabled TB in conjunction with the new data indicator (NDI) of the disabled TB; if the NDI of the enabled TB is untoggled or the value of the 8-value indicator for the enabled TB is equal to 0, 1, 2, or 3, the UE using the NDI of the disabled TB to select a CoMP state from a first CoMP state and a second CoMP state; and if the NDI of the enabled TB is toggled and the value of the 8-value indicator is 4, 5, 6, or 7, the UE obtaining the information of whether the enabled TB is initial transmission or retransmission based on the NDI of the disabled TB.

    Abstract translation: 所述无线通信包括：向所述可用TB和所述禁用的TB发送从传输点向UE发送下行链路控制信息（DCI），其中所述DCI包括8值指示符，以结合所述新的所述TB来指示所述启用TB的CoMP状态 残疾TB的数据指标（NDI）; 如果启用的TB的NDI未被切换，或者使能的TB的8值指示符的值等于0,1,2或3，则使用禁用的TB的NDI的UE从一个 第一个CoMP状态和第二个CoMP状态; 并且如果使能的TB的NDI被切换，并且8值指示符的值是4,5,6或7，则UE根据所述NDI的NDI获得所启用的TB是初始传输还是重传的信息 残疾结核病

    Terminal receiving resource block allocation and method therefor
    10.
    发明授权
    Terminal receiving resource block allocation and method therefor 有权
    终端接收资源块分配及其方法

    公开(公告)号：US09420581B2

    公开(公告)日：2016-08-16

    申请号：US15009459

    申请日：2016-01-28

    Applicant: Panasonic Intellectual Property Corporation of America

    Inventor： Akihiko Nishio ,  Christian Wengerter ,  Hidetoshi Suzuki ,  Katsuhiko Hiramatsu

    IPC: H04J3/16 ,  H04W72/04 ,  H04L5/00 ,  H04W72/00

    CPC classification number: H04W72/0453 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0042 ,  H04L5/0053 ,  H04W72/00 ,  H04W72/04 ,  H04W72/042 ,  H04W72/044

    Abstract: In a wireless communication base station device, a modulation unit carries out modulation processing for Dch data after coding to generate a Dch data symbol. A modulation unit carries out modulation processing for Lch data after coding to generate an Lch data symbol. An allocation unit allocates the Dch data symbol and Lch data symbol to each sub-carrier composing an OFDM symbol and outputs the allocated sub-carrier to a multiplex unit. In this case, the allocation unit allocates the Dch data symbol to a plurality of resource blocks where one Dch is arranged at an interval equal to integral multiples of the number of resource blocks composing a resource block group.

    Abstract translation: 在无线通信基站装置中，调制部对编码后的Dch数据进行调制处理，生成Dch数据符号。 调制部对编码后的Lch数据进行调制处理，生成Lch数据符号。 分配单元将Dch数据符号和Lch数据符号分配给构成OFDM符号的每个子载波，并将分配的子载波输出到多路复用单元。 在这种情况下，分配单元将Dch数据符号分配给多个资源块，其中一个Dch以等于构成资源块组的资源块的数量的整数倍的间隔排列。

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