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    • 122. 发明授权
    • Terminal device and retransmission control method
    • 终端设备和重传控制方法
    • US08867465B2
    • 2014-10-21
    • US13389255
    • 2010-08-06
    • Seigo NakaoAkihiko NishioMasayuki HoshinoAyako Horiuchi
    • Seigo NakaoAkihiko NishioMasayuki HoshinoAyako Horiuchi
    • H04W4/00H04L12/26H04L27/06H04W28/12H04L1/18H04L5/00H04L1/00H04W28/06
    • 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元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,所述下行链路数据包含在设置在 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。
    • 126. 发明授权
    • Wireless communication base station apparatus and reference signal allocation method
    • 无线通信基站装置及参考信号分配方法
    • US08559963B2
    • 2013-10-15
    • US12994698
    • 2009-06-22
    • Akihiko NishioSeigo NakaoKatsuhiko Hiramatsu
    • Akihiko NishioSeigo NakaoKatsuhiko Hiramatsu
    • H04W72/00
    • H04W72/10H04B7/0413H04L5/0007H04L5/0048H04L25/0202H04W28/02
    • Disclosed is a wireless communication base station apparatus capable of preventing degradation of throughput of LTE terminals, even when both LTE terminals and LTE+ terminals are present together. In this apparatus, a CCE allocation section (105) allocates the characteristic cell reference signals, which are employed solely by LTE+ terminals, to some CCEs from a plurality of CCEs to which a control channel for LTE terminal use or a control channel for LTE+ terminal use can be allocated. In the case of symbols that are mapped to antennas (113-5) to (113-8), an arrangement section (109) arranges the characteristic cell reference signals that are employed solely by LTE+ terminals in resource elements corresponding to CCEs to which a characteristic cell RS has been allocated that is used solely by an LTE+ terminal, based on position information that is input from an interleaving section (106). Wireless transmission sections (112-1) to (112-8) transmit these symbols, that have been thus input, to each terminal from the antennas (113-5) to (113-8).
    • 公开了一种能够防止LTE终端的吞吐量的劣化的无线通信基站装置,即使LTE终端和LTE +终端同时存在。 在该装置中,CCE分配单元(105)将LTE +终端单独使用的特征小区参考信号从用于LTE终端的控制信道的多个CCE或LTE +终端的控制信道分配给一些CCE 使用可以分配。 在映射到天线(113-5)至(113-8)的符号的情况下,布置部分(109)将由LTE +终端单独使用的特征小区参考信号排列在对应于CCE的资源元素中, 基于从交织部(106)输入的位置信息,已经分配了由LTE +终端单独使用的特征小区RS。 无线传输部分(112-1)至(112-8)从天线(113-5)到(113-8)将已经如此输入的这些符号发送到每个终端。
    • 128. 发明授权
    • Radio reception apparatus, radio transmission apparatus, and radio communication method
    • 无线接收装置,无线发送装置以及无线通信方法
    • US08442569B2
    • 2013-05-14
    • US13202600
    • 2010-01-29
    • Masayuki HoshinoAkihiko NishioSeigo NakaoDaichi Imamura
    • Masayuki HoshinoAkihiko NishioSeigo NakaoDaichi Imamura
    • H04B7/00
    • H04W72/0406H04L5/0051H04L5/0094H04W24/10H04W48/08H04W48/16H04W72/00
    • In a case where a second reference signal for a second communication system is transmitted in addition to a first reference signal for a first communication system, resources that affect a reception apparatus compatible only with the first communication system can be minimized, and the throughput can be prevented from being deteriorated. As resources for a reference signal CSI-RS, DVRB resources in which a resource unit defined in a frequency-time domain is divided in a time direction and distributedly allocated at predetermined frequency intervals are used and CSI-RS is allocated in a resource ID of a part of DVRB resources and transmitted when a reference signal 4RS for LTE is transmitted to a reception apparatus in addition to transmitting CSI-RS for LTE-A. The reception apparatus receives CSI-RS allocated in DVRM resources on the basis of DVRB setting information for CSI-RS, measures channel quality such as CQI, PMI or RI by using CSI-RS, and transmits and reports feedback information containing channel quality information to a transmission apparatus.
    • 在除了用于第一通信系统的第一参考信号之外还发送用于第二通信系统的第二参考信号的情况下,可以最小化影响仅与第一通信系统兼容的接收设备的资源,并且吞吐量可以是 防止恶化。 作为参考信号CSI-RS的资源,使用其中在时间方向上划分的资源单元在时间方向上划分并以预定频率间隔分配的DVRB资源,并且将CSI-RS分配给资源ID 除了发送用于LTE-A的CSI-RS之外,当用于LTE的参考信号4RS被发送到接收装置时发送的DVRB资源的一部分。 接收装置根据用于CSI-RS的DVRB设定信息,接收在DVRM资源中分配的CSI-RS,通过使用CSI-RS来测定CQI,PMI或RI等信道质量,并将包含信道质量信息的反馈信息发送给 发送装置。
    • 129. 发明授权
    • Mobile station apparatus and control channel decoding method
    • 移动台设备和控制信道解码方法
    • US08411635B2
    • 2013-04-02
    • US13354052
    • 2012-01-19
    • Akihiko NishioSeigo Nakao
    • Akihiko NishioSeigo Nakao
    • H04W4/00H04B7/208H04J3/16
    • H04W72/0406H04L5/00H04L5/0007H04L5/0053H04L5/0055H04W72/04H04W72/0413H04W72/042
    • A wireless communication base station apparatus that allows the number of times of blind decodings at a mobile station to be reduced without increasing the overhead caused by notifying information. In this apparatus, a CCE allocation part (104) allocates allocation information allocated to a PDCCH received from modulation parts (103-1 to 103-K) to a particular one of a plurality of search spaces that is corresponding to a CCE aggregation size of the PDCCH. A placement part (108) then places the allocation information in one of downstream line resources, reserved for the PDCCH, that is corresponding to the CCE of the particular search space to which the allocation information has been allocated. A radio transmission part (111) then transmits an OFDM symbol, in which the allocation information has been placed, to the mobile station from an antenna (112).
    • 能够减少移动台的盲解码次数的无线通信基站装置,而不会增加由通知信息引起的开销。 在该装置中,CCE分配部(104)将分配给从调制部(103-1〜103-K)接收的PDCCH的分配信息分配给多个搜索空间中的特定的一个,该搜索空间对应于CCE聚合大小 PDCCH。 然后,放置部分(108)将分配信息放置在与PDCCH分配的特定搜索空间的CCE相对应的下行线路资源中,该分配信息被分配给分配信息。 然后,无线发送部(111)从天线(112)向移动台发送已经配置了分配信息的OFDM码元。