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    • 21. 发明公开
    • RADIO TERMINAL, RADIO BASE STATION, CHANNEL SIGNAL FORMING METHOD AND CHANNEL SIGNAL RECEIVING METHOD
    • FUNKENDGERÄT,FUNKASASSTATION,KANALSIGNALBILDUNGSVERFAHREN UND KANALSIGNALEMPFANGSVERFAHREN
    • EP2355605A1
    • 2011-08-10
    • EP09830168.2
    • 2009-11-30
    • Panasonic Corporation
    • NAKAO, SeigoIMAMURA, DaichiAOYAMA, Takahisa
    • H04W72/04H04W88/08
    • H04W72/1284H04H20/08H04J11/00H04J11/0076H04L1/0038H04L5/001H04L5/0044H04L5/0053H04L5/0094H04W72/0413H04W72/042H04W72/0453H04W72/1273
    • A radio terminal, radio base station, channel signal forming method and channel signal receiving method wherein when an upstream unit band and a plurality of downstream unit bands associated therewith are used to perform communications, the quality of downstream assignment control information can be prevented from being degraded. In a base station (100), the PDCCH signals including upstream assignment control information are limited to ones that are placed in some of the downstream unit bands. This can reduce the probability of performance of zero padding to downstream assignment control information having greater importance. Also in the base station (100), the PDCCH signals of the downstream unit bands other than the basic unit band include only downstream resource assignment information. For this reason, in the individual regions of the downstream unit bands other than the basic unit band, the bandwidth of the downstream unit bands is always used as a reference of size adjustment and hence requires no information size adjustment. As a result, there is no need of performing zero padding to the downstream assignment control information, so that the quality of downstream assignment control information can be prevented from being degraded.
    • 无线电终端,无线电基站,信道信号形成方法和信道信号接收方法,其中当使用上行单元频带和与其相关联的多个下行单位频带进行通信时,可以防止下行分配控制信息的质量 降级。 在基站(100)中,包含上游分配控制信息的PDCCH信号被限制为放置在下游单位频带的一部分中的PDCCH信号。 这可以降低执行零填充到具有更重要性的下游分配控制信息的概率。 此外,在基站(100)中,除基本单位频带之外的下游单位频带的PDCCH信号仅包括下游资源分配信息。 因此,在基本单位频带以外的下游单位频带的各个区域中,下游单位频带的带宽总是用作尺寸调整的基准,因此不需要信息大小调整。 结果,不需要对下游分配控制信息执行零填充,从而可以防止下行分配控制信息的质量下降。
    • 30. 发明公开
    • TERMINAL DEVICE AND RETRANSMISSION CONTROL METHOD
    • 恩德伯格·恩格尔
    • EP2618514A1
    • 2013-07-24
    • EP11824732.9
    • 2011-09-02
    • Panasonic Corporation
    • OIZUMI, ToruNAKAO, Seigo
    • H04L1/16H04L29/08H04W28/04
    • H04L1/1861H04B7/024H04L1/0061H04L1/1607H04L1/1671H04L1/1829H04L1/1858H04L5/001H04L5/0053H04L5/0055H04W24/04H04W28/04H04W72/0413
    • Provided is a terminal device that is capable of improving the characteristics of a response signal having poor transmission characteristics when ARQ is utilized in communication using an uplink unit band and a plurality of downlink unit bands associated with the uplink unit band. At the time of channel selection, a control unit (208) selects a resource used in sending a response signal from among specific PUCCH resources notified in advance from a base station (100) and PUCCH resources mapped to a CCE, and controls the transmission of the response signal. A response signal generating unit (212) supports implicit signaling with respect to any given response signal, and at the same time as supporting LTE fallback from 2CC, uses a mapping method that, between bits, smooths the number of PUCCH resources that can determine ACK/NACK simply by determining the PUCCH resource regarding which the response signal had notified.
    • 提供一种终端装置,其能够在使用上行链路单位频带和与上行单位频带相关联的多个下行链路单位频带进行通信时使用ARQ时,改善具有差的传输特性的响应信号的特性。 在频道选择时,控制单元(208)从基站(100)预先通知的特定PUCCH资源和映射到CCE的PUCCH资源中选择发送响应信号所使用的资源,并且控制发送 响应信号。 响应信号生成单元(212)支持关于任何给定响应信号的隐式信令,并且在支持从2CC的LTE回退的同时,使用映射方法,在比特之间平滑可以确定ACK的PUCCH资源的数量 / NACK简单地通过确定响应信号已通知的PUCCH资源。