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    • 2. 发明申请
    • MOBILE STATION AND TRANSMISSION POWER CONTROL METHOD IN MOBILE STATION
    • 移动站移动站和传输功率控制方法
    • US20080318614A1
    • 2008-12-25
    • US12143409
    • 2008-06-20
    • Yousuke IIZUKAYukihiko OKUMURA
    • Yousuke IIZUKAYukihiko OKUMURA
    • H04B7/00
    • H04W52/40H04B7/0652H04W52/286H04W52/325H04W52/42
    • To provide a mobile station and a transmission power control method in the mobile station, which are capable of improving the power saving characteristic associated with the transmission power control in the mobile station under a condition in which the transmit diversity is applied. The transmission power of feedback information (11: FBI) is controlled on the basis of control information (TPC) transmitted through a sub-information downlink channel (21) from a base station (210) as a main branch, only when it is determined by a communication method determining section 103 that a cosed loop transmit diversity can be applied (step S201: Yes), and when it is determined by a communication base station determining section 104 that sub-information downlink channels (21, 22) and sub-information uplink channels (11, 12) are connected to a plurality of base stations (step S202: Yes).
    • 提供移动站中的移动站和发送功率控制方法,其能够在应用发送分集的条件下改善与移动站中的发送功率控制相关联的功率节省特性。 基于从作为主分支的基站(210)通过子信息下行链路信道(21)发送的控制信息(TPC),仅在确定了反馈信息(11:FBI)时,发送功率被控制 通过通信方法确定部分103可以应用提出的环路发送分集(步骤S201:是),并且当由通信基站确定部分104确定子信息下行链路信道(21,22)和子信道 信息上行链路信道(11,12)连接到多个基站(步骤S202:是)。
    • 5. 发明申请
    • TRANSMISSION POWER CONTROL DEVICE AND METHOD, MOBILE STATION, AND COMMUNICATION DEVICE IN MOBILE COMMUNICATION SYSTEM
    • 传动功率控制装置和方法,移动站和通信装置在移动通信系统
    • US20070129096A1
    • 2007-06-07
    • US11674276
    • 2007-02-13
    • Yukihiko OKUMURAShinsuke Ogawa
    • Yukihiko OKUMURAShinsuke Ogawa
    • H04B7/00H04Q7/20
    • H04W52/40H04W52/08H04W52/10H04W52/12H04W52/241H04W52/50
    • A transmission power control device is provided that includes: a transmission loss calculator that calculates a transmission loss in the electric wave transmission path between a mobile station and each base station; and a transmission power control information determiner that determines which transmission power control information is to be used in a transmission power control operation at the mobile station, based on transmission power control information transmitted from each base station to the mobile station and the transmission loss in the transmission path between the mobile station and each base station calculated by the transmission loss calculator. This transmission power control device may further include an autonomous controller that increases transmission power from a current value in accordance with predetermined characteristics, regardless of transmission power control information from another communication device, when reception signal quality has become lower than a predetermined quality level. With this structure, after synchronization with a signal from the base station is established at the mobile station, the transmission power is controlled to increase from the initial value in accordance with the predetermined characteristics, regardless of the transmission power control information transmitted from the base station.
    • 提供了一种传输功率控制装置,包括:传输损耗计算器,其计算移动站和每个基站之间的电波传输路径中的传输损耗; 以及发送功率控制信息确定器,其基于从每个基站向移动台发送的发送功率控制信息,确定在移动台的发送功率控制操作中要使用哪个发送功率控制信息,以及发送功率控制信息的发送功率控制信息 由传输损耗计算器计算的移动站与每个基站之间的传输路径。 该发送功率控制装置还可以包括:当接收信号质量低于预定质量水平时,与来自另一通信装置的发送功率控制信息无关,根据预定特性,从当前值增加发送功率的自主控制器。 利用这种结构,在与基站的信号同步之后,在移动站建立起来,不管基站发送的发送功率控制信息如何,发送功率被控制为根据预定特性从初始值增加 。