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    BASE STATION, TERMINAL, TRANSMISSION METHOD, AND RECEPTION METHOD
    21.
    发明申请
    BASE STATION, TERMINAL, TRANSMISSION METHOD, AND RECEPTION METHOD 审中-公开

    公开(公告)号：US20200015211A1

    公开(公告)日：2020-01-09

    申请号：US16577211

    申请日：2019-09-20

    Applicant: Sun Patent Trust

    Inventor： Ayako Horiuchi ,  Hidetoshi Suzuki ,  Kazuki Takeda ,  Lilei Wang

    IPC: H04W72/04 ,  H04L5/00

    Abstract: Disclosed is a base station capable of appropriately configuring a resource on which EPDCCH is located when soft combining is applied. The base station includes configuration section 102 that configures an EPDCCH set in a plurality of subframes, the EPDCCH set being formed of ECCEs to which control information (assignment information) transmitted over the plurality of subframes is assigned; and an assignment section 105 that assigns the control information to any of the ECCEs in each of the plurality of subframes.

    Controlling UE behavior for CSI/SRS reporting during DRX
    22.
    发明授权
    Controlling UE behavior for CSI/SRS reporting during DRX 有权

    公开(公告)号：US10516520B2

    公开(公告)日：2019-12-24

    申请号：US16387252

    申请日：2019-04-17

    Applicant: Sun Patent Trust

    Inventor： Joachim Loehr ,  Hidetoshi Suzuki ,  Prateek Basu Mallick

    IPC: H04W4/00 ,  H04L5/00 ,  H04W72/04 ,  H04W76/28

    Abstract: The invention relates to a method for transmitting a periodic channel quality report (CSI) and/or a sounding reference symbol (SRS) from a UE to an eNodeB. To avoid double decoding at the eNodeB in transient phases, a deterministic behavior of the UE is defined by the invention, according to which the eNodeB can unambiguously determine whether the UE will transmit the CSI/SRS or not. According to one embodiment, the UL grants and/or DL assignments received until and including subframe N−4 only are considered; UL grants and/or DL assignments received by the UE after subframe N−4 are discarded for the determination. Additionally, DRX-related timers at subframe N−4 are considered for the determination. In a second embodiment, DRX MAC control elements from the eNodeB, instructing the UE to enter DRX, i.e., become Non-Active, are only considered for the determination if they are received before subframe N−4, i.e., until and including subframe N−(4+k).

    Efficient transmission of a response signal for a random access preamble transmitted from legacy or extension carrier capable devices
    23.
    发明授权
    Efficient transmission of a response signal for a random access preamble transmitted from legacy or extension carrier capable devices 有权

    公开(公告)号：US10405352B2

    公开(公告)日：2019-09-03

    申请号：US15705081

    申请日：2017-09-14

    Applicant: Sun Patent Trust

    Inventor： Akihiko Nishio ,  Masayuki Hoshino ,  Hidetoshi Suzuki ,  Takashi Iwai

    IPC: H04W74/08 ,  H04W56/00 ,  H04J3/06 ,  H04J11/00 ,  H04B7/26 ,  H04W74/00 ,  H04W28/02

    Abstract: In order to provide a transmission device and transmission method with which a response signal for random access preamble transmitted from a preamble transmission device is efficiently transmitted, setting unit in base station sets a first resource candidate group, which enables terminal capable of receiving a latch response transmitted by demodulation reference signal (DMRS) transmission to be selected, and a second resource candidate group, which enables terminal incapable of receiving a latch response transmitted by DMRS transmission but capable of receiving a latch response transmitted by cell-specific reference signal (CRS) transmission to be selected. Control unit selects DMRS transmission as the latch response transmission method when a resource in which latch preamble has been received is included in the first candidate group, but selects CRS transmission as the latch response transmission method when the resource is included in the second resource candidate group.

    Integrated circuit
    24.
    发明授权
    Integrated circuit 有权

    公开(公告)号：US10382162B2

    公开(公告)日：2019-08-13

    申请号：US16006123

    申请日：2018-06-12

    Applicant: SUN PATENT TRUST

    Inventor： Akihiko Nishio ,  Hidetoshi Suzuki ,  Christian Wengerter

    IPC: H04L1/00 ,  H04W74/00 ,  H04L1/14 ,  H04L1/04 ,  H04L5/00 ,  H04W52/02 ,  H04L27/26

    Abstract: A radio communication base station device which can reduce the number of judgment times for a control signal in a mobile station, thereby suppressing power consumption by the mobile station. The radio communication base station device (100) includes: a mapping setting unit (122) which sets a mapping method in a mapping unit (102); the mapping unit (102) which maps a control signal to respective mobile stations to any of subcarriers constituting the OFDM symbol according to the mapping method set by the mapping setting unit (122); an MCS setting unit (121) which references a mapping table in which correlation between a plurality of MCS having different MCS levels and mapping methods is set according to the judgment result of the mapping setting unit (122) and sets MCS in encoding/modulation units (101-1 to 101-n).

    INTEGRATED CIRCUIT FOR COMMUNICATION TERMINAL AND POWER ALLOCATION PROCESS
    25.
    发明申请
    INTEGRATED CIRCUIT FOR COMMUNICATION TERMINAL AND POWER ALLOCATION PROCESS 审中-公开

    公开(公告)号：US20190246362A1

    公开(公告)日：2019-08-08

    申请号：US16384505

    申请日：2019-04-15

    Applicant: Sun Patent Trust

    Inventor： Shinsuke Takaoka ,  Hidetoshi Suzuki ,  Akihiko Nishio ,  Takashi Iwai

    IPC: H04W52/36 ,  H04W52/30 ,  H04W52/42 ,  H04W28/02 ,  H04L5/00 ,  H04W52/34

    Abstract: Provided are a wireless communication terminal device and a power allocation method, wherein transmission channel quality information, regarding a Pcell having a high probability that UCI is multiplied therein, can be accurately estimated by an SRS having high priority in power allocation, and an eNB can instruct appropriate transmission power to an UL channel which transmits the subsequent UCI. A power scaling detection unit detects whether or not a total transmission power value of the UL channels transmitted by the plurality of CC exceeds the maximum transmission power specific to the UE. When a plurality of SRS are simultaneously transmitted using a Pcell and a Scell, and power scaling occurs, a power scaling control unit performs power allocation so that transmission power of the SRS of the Pcell has the higher priority than that of the SRS of the Scell.

    WIRELESS COMMUNICATION TERMINAL, BASE STATION DEVICE, RESOURCE ALLOCATION METHOD
    26.
    发明申请
    WIRELESS COMMUNICATION TERMINAL, BASE STATION DEVICE, RESOURCE ALLOCATION METHOD 审中-公开

    公开(公告)号：US20190238280A1

    公开(公告)日：2019-08-01

    申请号：US16377713

    申请日：2019-04-08

    Applicant: Sun Patent Trust

    Inventor： Kazuki Takeda ,  Hidetoshi Suzuki ,  Ayako Horiuchi ,  Akihiko Nishio

    IPC: H04L1/18 ,  H04W72/04 ,  H04L5/00 ,  H04W74/08

    Abstract: A radio communication terminal that increases the ACK/NACK resource utilization efficiency while preventing ACK/NACK collision, and that causes no unnecessary reduction of the PUSCH band in a system that transmits E-PDCCH control information. The radio communication terminal adopts a configuration including a receiving section that receives a control signal including an ACK/NACK index via an enhanced physical downlink control channel (E-PDCCH) transmitted using one configuration from among one or a plurality of configuration candidates, a control section that selects a resource to be used for an ACK/NACK signal of downlink data from among specified resources specified beforehand based on E-PDCCH configuration information used for transmission or reception of the E-PDCCH and the ACK/NACK index, and a transmitting section that transmits the ACK/NACK signal using the selected specified resource.

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