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    • 4. 发明申请
    • COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND MOBILE STATION APPARATUS
    • 通信系统,基站装置和移动站设备
    • US20110034177A1
    • 2011-02-10
    • US12935294
    • 2009-03-30
    • Wahoh OhKatsuyuki Machino
    • Wahoh OhKatsuyuki Machino
    • H04W72/04H04W88/08H04W88/02
    • H04J11/0086H04W16/32H04W72/0453H04W72/08
    • Utilizing a frequency-bandwidth limited IMT frequency band of 3 GHz, requirements of IMT-Advanced; that is, 100 Mbps for high speed movement and 1 Gbps for low speed movement in the downlink are satisfied. A communication system performs radio communication between a base station apparatus 40a and a mobile station apparatus 50 using a plurality of frequency layers having frequency bands different from each other, wherein the base station apparatus 40a assigns a downlink cell common control channel and a downlink cell common traffic channel to a low-frequency layer, and assigns a downlink cell dedicated control channel and a downlink cell dedicated traffic channel to a low-frequency layer and/or a high-frequency layer according to a downlink channel status and a communication requirement of the mobile station apparatus 50.
    • 利用3 GHz的频带带宽限制IMT频段,对IMT-Advanced的要求; 也就是说,在下行链路中满足用于高速移动的100Mbps和低速移动的1Gbps。 通信系统使用具有彼此不同的频带的多个频率层,在基站装置40a和移动台装置50之间进行无线通信,其中,基站装置40a分配下行链路小区公共控制信道和下行链路小区共同 业务信道发送到低频层,并且根据下行链路信道状态和通信要求向低频层和/或高频层分配下行链路小区专用控制信道和下行链路小区专用业务信道 移动站装置50。