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    • 1. 发明授权
    • Relay station, base station and communication method
    • 中继站,基站和通信方式
    • US09065527B2
    • 2015-06-23
    • US13819292
    • 2012-02-08
    • Masayuki HoshinoHidetoshi SuzukiAyako HoriuchiDaichi Imamura
    • Masayuki HoshinoHidetoshi SuzukiAyako HoriuchiDaichi Imamura
    • H04W88/04H04W72/04H04L27/28H04B7/155
    • 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令的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中设置在预编码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)使用布置在第二区域中的参考信号来解调数据。
    • 2. 发明申请
    • RELAY STATION, BASE STATION AND COMMUNICATION METHOD
    • 继电站,基站和通信方法
    • US20130163507A1
    • 2013-06-27
    • US13819292
    • 2012-02-08
    • Masayuki HoshinoHidetoshi SuzukiAyako HoriuchiDaichi Imamura
    • Masayuki HoshinoHidetoshi SuzukiAyako HoriuchiDaichi Imamura
    • H04W88/04
    • 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令的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中设置在预编码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. 发明申请
    • RADIO COMMUNICATION DEVICE AND RADIO COMMUNICATION METHOD
    • 无线电通信设备和无线电通信方法
    • US20110206030A1
    • 2011-08-25
    • US13122572
    • 2009-10-21
    • Masayuki HoshinoAyako HoriuchiSeigo NakaoDaichi ImamuraAkihiko NishioYoshihiko Ogawa
    • Masayuki HoshinoAyako HoriuchiSeigo NakaoDaichi ImamuraAkihiko NishioYoshihiko Ogawa
    • H04B7/216
    • H04J11/0023H04B7/0671H04J13/004H04J13/0059H04J13/0074H04J13/18H04J13/22H04L1/06H04L1/1692H04L1/1861
    • The present invention makes it possible to obtain the transmission diversity effect by applying a CDD while reducing the inter-code interference when performing a code multiplexing. When an Ack/Nack signal is transmitted from a user terminal to a base station in an upstream control channel by using an Ack/Nack resource, the signal is code-multiplexed by using a code sequence containing an orthogonal sequence and a cyclic-shifted sequence and transmitted from a plurality of user terminals to the base station. Upon using an aggregation size indicating the number of control signals of the downstream control channel, if the aggregation size is greater than one, it is determined that no resource located at the right of the axis of the cyclic-shifted amount of the cyclic-shifted sequence in the same orthogonal code of the orthogonal sequence is used, and the Ack/Nack signal to which CDD is applied from a plurality of antennas is transmitted by using a resource ACK #0 allocated to the own device and an unused resource ACK #1, which have the same orthogonal code, but have different cyclic-shifted amounts.
    • 本发明通过在执行码复用时减少码间干扰同时应用CDD可以获得发送分集效果。 当Ack / Nack信号通过使用Ack / Nack资源从用户终端发送到上行控制信道中的基站时,通过使用包含正交序列和循环移位序列的码序列对信号进行码复用 并从多个用户终端发送到基站。 当使用指示下游控制信道的控制信号数量的聚合大小时,如果聚合大小大于1,则确定不存在位于循环移位量的循环移位量的轴右侧的资源 使用正交序列的相同正交码中的序列,并且通过使用分配给自身设备的资源ACK#0和未使用的资源ACK#1来发送从多个天线施加CDD的Ack / Nack信号 ,其具有相同的正交码,但具有不同的循环移位量。
    • 10. 发明授权
    • Radio communication device and radio communication method
    • 无线电通信设备和无线电通信方法
    • US08705507B2
    • 2014-04-22
    • US13122572
    • 2009-10-21
    • Masayuki HoshinoAyako HoriuchiSeigo NakaoDaichi ImamuraAkihiko NishioYoshihiko Ogawa
    • Masayuki HoshinoAyako HoriuchiSeigo NakaoDaichi ImamuraAkihiko NishioYoshihiko Ogawa
    • H04B7/212
    • H04J11/0023H04B7/0671H04J13/004H04J13/0059H04J13/0074H04J13/18H04J13/22H04L1/06H04L1/1692H04L1/1861
    • The present invention makes it possible to obtain the transmission diversity effect by applying a CDD while reducing the inter-code interference when performing a code multiplexing. When an Ack/Nack signal is transmitted from a user terminal to a base station in an upstream control channel by using an Ack/Nack resource, the signal is code-multiplexed by using a code sequence containing an orthogonal sequence and a cyclic-shifted sequence and transmitted from a plurality of user terminals to the base station. Upon using an aggregation size indicating the number of control signals of the downstream control channel, if the aggregation size is greater than one, it is determined that no resource located at the right of the axis of the cyclic-shifted amount of the cyclic-shifted sequence in the same orthogonal code of the orthogonal sequence is used, and the Ack/Nack signal to which CDD is applied from a plurality of antennas is transmitted by using a resource ACK #0 allocated to the own device and an unused resource ACK #1, which have the same orthogonal code, but have different cyclic-shifted amounts.
    • 本发明通过在执行码复用时减少码间干扰同时应用CDD可以获得发送分集效果。 当Ack / Nack信号通过使用Ack / Nack资源从用户终端发送到上行控制信道中的基站时,通过使用包含正交序列和循环移位序列的码序列对信号进行码复用 并从多个用户终端发送到基站。 当使用指示下游控制信道的控制信号数量的聚合大小时,如果聚合大小大于1,则确定不存在位于循环移位量的循环移位量的轴右侧的资源 使用正交序列的相同正交码中的序列,并且通过使用分配给自身设备的资源ACK#0和未使用的资源ACK#1来发送从多个天线施加CDD的Ack / Nack信号 ,其具有相同的正交码,但具有不同的循环移位量。