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    • 1. 发明公开
    • RELAY STATION, BASE STATION AND COMMUNICATION METHOD
    • 康复,基础设施
    • EP2680632A1
    • 2014-01-01
    • EP12749557.0
    • 2012-02-08
    • Panasonic Corporation
    • HOSHINO, MasayukiSUZUKI, HidetoshiHORIUCHI, AyakoIMAMURA, Daichi
    • H04W16/26H04B7/15H04W28/06H04W72/04
    • H04B7/155H04L27/28H04W72/04H04W88/04
    • Provided is a relay station that is capable of improving PDSCH channel estimation accuracy, even in a case where a DL grant is provided that gives instructions for downlink data allocation for R-PDCCH. In this device, a signal separation unit (203) receives, of the control information and data and reference signals sent from a base station (100), the reference signals disposed in a first region and a second region within a pre-coding RB group (PRG) comprising one or more PRBs of the plurality of PRBs constituting a divided frequency region; the control information disposed in the first region; and the data disposed in the second region. A demodulation unit (204) demodulates the data on the basis of the reference signals. The demodulation unit (204) demodulates the data using the reference signals disposed in the second region.
    • 即使在提供给R-PDCCH的下行链路数据分配指示的DL授权的情况下,也能够提高PDSCH信道估计精度。 在该装置中,信号分离单元(203)接收从基站(100)发送的控制信息和数据以及参考信号,设置在预编码RB组内的第一区域和第二区域中的参考信号 (PRG),包括构成分频区域的所述多个PRB中的一个或多个PRB; 所述控制信息设置在所述第一区域中; 以及设置在第二区域中的数据。 解调单元(204)根据参考信号对数据进行解调。 解调单元(204)使用设置在第二区域中的参考信号来解调数据。
    • 5. 发明公开
    • TERMINAL DEVICE AND RETRANSMISSION CONTROL METHOD
    • 恩德伯格·恩格尔
    • EP2464048A1
    • 2012-06-13
    • EP10806253.0
    • 2010-08-06
    • Panasonic Corporation
    • NAKAO, SeigoNISHIO, AkihikoHOSHINO, MasayukiHORIUCHI, Ayako
    • H04L1/16H04L1/00H04W28/04H04W28/12H04W72/04
    • H04W72/042H04L1/0029H04L1/08H04L1/1607H04L1/1854H04L1/1861H04L5/001H04L5/0053H04L5/0055H04W28/06H04W28/12H04W76/28
    • Provided are a terminal device and a retransmission control method by which, when carrier aggregation communication using a plurality of downlink unit bands is applied, the quality of downlink data transmitted by each downlink unit band can be maintained, while suppressing the increase in overhead of downlink allocation control information. In a terminal (200), a control unit (208) performs transmission control of a response signal on the basis of a reception success/failure pattern of downlink data received by a downlink unit band which is included in a unit band group set in the terminal itself. The control unit (208) makes the phase points of the response signal different in accordance with a number of downlink data which has been successively received, namely, a number of ACK, in the reception success/failure pattern, and makes the phase points of the response signal between reception success/failure patterns identical when there are a plurality of reception success/failure patterns having the same ACK number.
    • 提供一种终端装置和重发控制方法,当应用使用多个下行链路单位频带的载波聚合通信时,可以保持由每个下行单位频带发送的下行链路数据的质量,同时抑制下行链路的开销增加 分配控制信息。 在终端(200)中,控制单元(208)根据由下行单元频带接收到的下行链路数据的接收成功/失败模式,执行响应信号的发送控制 终端本身。 控制单元(208)根据在接收成功/失败模式中已连续接收到的下行链路数据的数量,即ACK的数量,使响应信号的相位点不同,并且使相位点 当存在具有相同ACK号码的多个接收成功/故障模式时,接收成功/故障模式之间的响应信号相同。