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    • 6. 发明公开
    • RADIO RECEIVING APPARATUS, RADIO TRANSMITTING APPARATUS AND WIRELESS COMMUNICATION METHOD
    • FUNKEMPFANGSVORRICHTUNG,FUNKÜBERTRAGUNGSVORRICHTUNGUND DRAHTLOSKOMMUNIKATIONSVERFAHREN
    • EP2410803A1
    • 2012-01-25
    • EP10753222.8
    • 2010-01-29
    • Panasonic Corporation
    • HOSHINO, MasayukiNISHIO, AkihikoNAKAO, SeigoIMAMURA, Daichi
    • H04W72/04H04W28/18H04W88/02
    • 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 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 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 防止恶化。 作为参考信号CSI-RS的资源,使用其中以频率 - 时间域定义的资源单元以按预定频率间隔分配分配的时间方向划分的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的信号4RS被发送到接收装置时,发送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来测量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。
    • 8. 发明公开
    • SCHEDULING APPARATUS AND SCHEDULING METHOD
    • TERMINPLANUNGSVORRICHTUNG UND TERMINPLANUNGSVERFAHREN
    • EP2400807A1
    • 2011-12-28
    • EP10743560.4
    • 2010-02-17
    • Panasonic Corporation
    • IWAI, TakashiFUTAGI, SadakiIMAMURA, DaichiNISHIO, AkihikoNAKAO, SeigoOGAWA, Yoshihiko
    • H04W72/04H04J1/00H04J11/00
    • H04W72/0453H04L5/0037H04L5/0041H04L5/006H04L5/0064H04L5/0091H04W72/0406H04W72/0413H04W72/042H04W72/08
    • A scheduling apparatus and a scheduling method, wherein the amount of signaling for frequency resource allocation information can be reduced while maintaining system throughput performance. In a base station apparatus (100), a scheduling section (113) allocates frequency resources to frequency allocation target terminals based on set frequency allocation units, and a frequency allocation parameter setting section (112) adjusts the set frequency allocation units set in the scheduling section (113) based on cluster numbers. Due to this, in each cluster number, frequency resources can be allocated based on the most suitable frequency allocation units with respect to the signaling bit number. As a result, the amount of signaling for frequency resource allocation information can be reduced. Further, system throughput can be maintained by making the cluster number, which is a parameter having little effect on system throughput, a setting parameter for frequency allocation units.
    • 一种调度装置和调度方法,其中可以在维持系统吞吐量性能的同时减少用于频率资源分配信息的信令量。 在基站装置(100)中,调度部(113)基于设定的频率分配单位向频率分配对象终端分配频率资源,频率分配参数设定部(112)对调度中设定的设定频率分配单位 部分(113)基于群集号。 因此,在每个簇号中,可以基于针对信令比特数的最合适的频率分配单元来分配频率资源。 结果,可以减少用于频率资源分配信息的信令量。 此外,通过使作为对系统吞吐量几乎没有影响的参数的簇号,用于频率分配单元的设置参数来维持系统吞吐量。
    • 10. 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。