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    RADIO COMMNICATION DEVICE AND RESPONSE SIGNAL DIFFUSION METHOD
    3.
    发明申请
    RADIO COMMNICATION DEVICE AND RESPONSE SIGNAL DIFFUSION METHOD 有权

    公开(公告)号：US20220069940A1

    公开(公告)日：2022-03-03

    申请号：US17523045

    申请日：2021-11-10

    Applicant: Optis Wireless Technology, LLC

    Inventor： Sadaki FUTAGI ,  Seigo NAKAO ,  Daichi IMAMURA

    IPC: H04L1/00 ,  H04J13/00 ,  H04L1/16 ,  H04L5/00 ,  H04W72/04 ,  H04B1/7103 ,  H04J13/10 ,  H04J13/18 ,  H04B7/06 ,  H04W72/12

    Abstract: A radio communication apparatus comprises a spreading unit and a transmitting unit. The spreading unit spreads an ACK/NACK signal or a CQI signal with a sequence defined by one of a plurality of cyclic shift values. The transmitting unit transmits the ACK/NACK signal or the CQI signal. In each symbol that forms the ACK/NACK signal or the CQI signal, the spreading unit uses one of first cyclic shift values, which form a portion of the plurality of the cyclic shift values and which are adjacent to each other, for the ACK/NACK signal, and uses one of second cyclic shift values, which are not within the portion of the plurality of the cyclic shift values, for the CQI signal. At least one cyclic shift value that is cyclically subsequent to the first cyclic shift values or the second cyclic shift values is not used for either the ACK/NACK signal or the CQI signal.

    INTEGRATED CIRCUIT TO CONTROL RADIO TRANSMISSION PROCESS
    4.
    发明申请
    INTEGRATED CIRCUIT TO CONTROL RADIO TRANSMISSION PROCESS 有权
    集成电路控制无线传输过程

    公开(公告)号：US20150289213A1

    公开(公告)日：2015-10-08

    申请号：US14743296

    申请日：2015-06-18

    Applicant: Optis Wireless Technology, LLC

    Inventor： Sadaki FUTAGI ,  Daichi IMAMURA ,  Atsushi MATSUMOTO ,  Takashi IWAI

    IPC: H04W52/26 ,  H04L1/00

    CPC classification number: H04W52/262 ,  H04L1/0003 ,  H04L1/0004 ,  H04L1/0005 ,  H04L1/0009 ,  H04L1/001 ,  H04L1/0011 ,  H04L1/0016 ,  H04L1/0026 ,  H04L5/0007 ,  H04L5/0046 ,  H04L5/0058 ,  H04L5/006 ,  H04L27/2614 ,  H04W52/267 ,  H04W72/042 ,  H04W72/08 ,  Y10S370/914

    Abstract: Provided is a communication device, which is enabled to improve the throughput of a communication system by reducing the difference of a transmission power between an SCCH and an SDCH thereby to satisfy the required quality of a PAPR. In this device, an MCS selection unit (111) of a transmission unit (110) decides, with reference to a CQI lookup table, an MCS pattern (MCS1) of the SDCH, an MCS pattern (MCS2) of the SCCH and information (multiplex information) on multiplex positions on the time axes of those two channels, on the basis of the CQI information. On the basis of the MCS2 and the MCS1, encoding modulation units (112 and 113) perform encoding and modulating operations. According to the multiplex information, a channel multiplexing unit (114) time-division multiplexes the SCCH and the SDCH thereby to generate a transmission signal.

    Abstract translation: 提供了一种通信装置，其能够通过减小SCCH和SDCH之间的发送功率的差异来提高通信系统的吞吐量，从而满足PAPR的所需质量。 在该装置中，发送部（110）的MCS选择部（111）参照CQI查找表，决定SDCH的MCS模式（MCS1），SCCH的MCS模式（MCS2）和信息（ 多路复用信息），根据CQI信息，对这两个信道的时间轴上的多路复用位置进行复用。 基于MCS2和MCS1，编码调制单元（112和113）进行编码和调制操作。 根据多路复用信息，信道复用单元（114）对SCCH和SDCH进行时分复用，从而生成发送信号。

    RADIO COMMNICATION DEVICE AND RESPONSE SIGNAL DIFFUSION METHOD
    5.
    发明申请
    RADIO COMMNICATION DEVICE AND RESPONSE SIGNAL DIFFUSION METHOD 审中-公开

    公开(公告)号：US20200067632A1

    公开(公告)日：2020-02-27

    申请号：US16672925

    申请日：2019-11-04

    Applicant: Optis Wireless Technology, LLC

    Inventor： Sadaki FUTAGI ,  Seigo NAKAO ,  Daichi IMAMURA

    IPC: H04L1/00 ,  H04J13/00 ,  H04L1/16 ,  H04L5/00 ,  H04W72/04 ,  H04B1/7103 ,  H04J13/10 ,  H04J13/18 ,  H04B7/06 ,  H04W72/12

    Abstract: Provided is a radio communication device which can suppress inter-code interference between an ACK/NACK signal and a CQI signal which are code-multiplexed. A diffusion unit (214) diffuses the ACK/NACK signal inputted from a judgment unit (208) by using a ZC sequence. A diffusion unit (219) diffuses the CQI signal by using a cyclic shift ZC sequence. By using a Walsh sequence, a diffusion unit (216) further diffuses the ACK/NACK signal which has been diffused by using the ZC sequence. A control unit (209) controls the diffusion unit (214), the diffusion unit (216), and the diffusion unit (219) so that the minimum value of the difference between the CQI signals from a plurality of mobile stations and a cyclic shift amount of the ACK/NACK signal is not smaller than the minimum value of the difference between the cyclic shift amounts of the ACK/NACK signals from the plurality of mobile stations.

    APPARATUS FOR DETERMINING A CODING RATE
    6.
    发明申请
    APPARATUS FOR DETERMINING A CODING RATE 审中-公开

    公开(公告)号：US20200045649A1

    公开(公告)日：2020-02-06

    申请号：US16597175

    申请日：2019-10-09

    Applicant: Optis Wireless Technology, LLC

    Inventor： Sadaki FUTAGI ,  Daichi IMAMURA ,  Atsushi MATSUMOTO ,  Takashi IWAI

    IPC: H04W52/26 ,  H04L1/00 ,  H04L5/00 ,  H04L27/26 ,  H04W72/08 ,  H04W72/04

    Abstract: Provided is a communication device, which is enabled to improve the throughput of a communication system by reducing the difference of a transmission power between an SCCH and an SDCH thereby to satisfy the required quality of a PAPR. In this device, an MCS selection unit (111) of a transmission unit (110) decides, with reference to a CQI lookup table, an MCS pattern (MCS1) of the SDCH, an MCS pattern (MCS2) of the SCCH and information (multiplex information) on multiplex positions on the time axes of those two channels, on the basis of the CQI information. On the basis of the MCS2 and the MCS1, encoding modulation units (112 and 113) perform encoding and modulating operations. According to the multiplex information, a channel multiplexing unit (114) time-division multiplexes the SCCH and the SDCH thereby to generate a transmission signal.

    RADIO COMMNICATION DEVICE AND RESPONSE SIGNAL DIFFUSION METHOD
    8.
    发明申请
    RADIO COMMNICATION DEVICE AND RESPONSE SIGNAL DIFFUSION METHOD 有权
    无线电通信设备和响应信号扩展方法

    公开(公告)号：US20150131610A1

    公开(公告)日：2015-05-14

    申请号：US14595650

    申请日：2015-01-13

    Applicant: Optis Wireless Technology, LLC

    Inventor： Sadaki FUTAGI ,  Seigo NAKAO ,  Daichi IMAMURA

    IPC: H04J13/10 ,  H04B1/7103 ,  H04W72/04 ,  H04L5/00 ,  H04J13/18

    CPC classification number: H04L1/0026 ,  H04B1/7103 ,  H04B7/0626 ,  H04J13/0062 ,  H04J13/0074 ,  H04J13/102 ,  H04J13/18 ,  H04L1/1671 ,  H04L5/0016 ,  H04L5/0055 ,  H04L5/0057 ,  H04L25/03828 ,  H04L2001/125 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/1226 ,  H04W88/02 ,  H04W88/08

    Abstract: Provided is a radio communication device which can suppress inter-code interference between an ACK/NACK signal and a CQI signal which are code-multiplexed. A diffusion unit (214) diffuses the ACK/NACK signal inputted from a judgment unit (208) by using a ZC sequence. A diffusion unit (219) diffuses the CQI signal by using a cyclic shift ZC sequence. By using a Walsh sequence, a diffusion unit (216) further diffuses the ACK/NACK signal which has been diffused by using the ZC sequence. A control unit (209) controls the diffusion unit (214), the diffusion unit (216), and the diffusion unit (219) so that the minimum value of the difference between the CQI signals from a plurality of mobile stations and a cyclic shift amount of the ACK/NACK signal is not smaller than the minimum value of the difference between the cyclic shift amounts of the ACK/NACK signals from the plurality of mobile stations.

    Abstract translation: 提供一种能够抑制ACK / NACK信号与被码复用的CQI信号之间的码间干扰的无线通信装置。 扩散单元（214）通过使用ZC序列扩散从判断单元（208）输入的ACK / NACK信号。 扩散单元（219）通过使用循环移位ZC序列扩散CQI信号。 通过使用沃尔什序列，扩散单元（216）进一步扩散通过使用ZC序列扩散的ACK / NACK信号。 控制单元（209）控制扩散单元（214），扩散单元（216）和扩散单元（219），使得来自多个移动站的CQI信号之间的差的最小值和循环移位 ACK / NACK信号的量不小于来自多个移动台的ACK / NACK信号的循环移位量之差的最小值。

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