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    • 5. 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。
    • 8. 发明公开
    • RADIO TRANSMISSION DEVICE AND RADIO TRANSMISSION METHOD
    • FUNKÜBERTRAGUNGSGERÄTUNDFUNKÜBERTRAGUNGSVERFAHREN
    • EP2120353A1
    • 2009-11-18
    • EP08704149.7
    • 2008-01-30
    • Panasonic Corporation
    • OGAWA, YoshihikoIMAMURA, DaichiFUTAGI, SadakiMATSUMOTO, AtsushiIWAI, Takashi
    • H04B1/707H04B7/26H04J1/00H04J11/00
    • H04L25/0226H04J13/0059H04J13/22
    • It is possible to provide a radio transmission device and a radio transmission method which can avoid degradation of a channel estimation accuracy using a reference signal formed by a ZC sequence even when the RS transmission band of a local cell is different from that of an adjacent cell. A mobile station decides a cyclic shift sequence corresponding to RB allocation information from an RS table which correlates different frequency bandwidths from a reference point of respective transmission bands to a spectrum start number of the cyclic shift sequence so as to satisfy a particular relationship based on the sequence length and transmits the decided cyclic shift sequence as RS to a base station. The base station uses the same RS table as the RS table of the mobile station and performs correlation calculation of the RS transmitted from the mobile station, thereby performing channel estimation.
    • 可以提供一种无线传输装置和无线电传输方法,即使当本地小区的RS传输频带与相邻小区的RS传输频带不同时,也可以避免使用由ZC序列形成的参考信号导致的信道估计精度的劣化 。 移动台从RS表决定与RB分配信息相对应的循环移位序列,该RS表把不同的频带宽度从各个传输频带的参考点相关到循环移位序列的频谱起始号,以便满足基于 序列长度,并将确定的循环移位序列作为RS发送到基站。 基站使用与移动台的RS表相同的RS表,对从移动台发送的RS进行相关运算,进行信道估计。