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    • 4. 发明授权
    • Backward closed loop power control apparatus for mobile communication system and method using the same
    • 用于移动通信系统的向后闭环功率控制装置及其使用方法
    • US06625465B1
    • 2003-09-23
    • US09660023
    • 2000-09-12
    • Sung Bae MoonJeong Ho Oh
    • Sung Bae MoonJeong Ho Oh
    • H04B100
    • H04W52/24
    • A backward closed loop power control apparatus for a mobile communication system is disclosed. The apparatus includes a demodulation and PCB extraction unit for receiving a communication frame transmitted from a base station, demodulating the received communication frame and extracting a PCB having an allocated transmission power up or down instruction information, a CRC checking unit for checking a CRC with respect to the communication frame transmitted from the base station, a control unit for outputting a transmission power up or down control signal in accordance with a PCB extracted by the demodulation and PCB extraction unit and a CRC result value checked by the CRC checking unit, and a power adjusting unit for increasing the transmission power of the mobile station to the maximum value of the transmission power and decreasing the transmission power of the mobile station to the minimum value of the transmission power in accordance with a transmission power up or down control signal outputted from the controller, for thereby implementing an economic use of a power of a mobile station by judging a propagation environment of a forward link and backward link based on a CRC(Cyclic Redundancy check) in a mobile station of a mobile communication system which adapts a CDMA method and dynamically performing a backward closed loop power control.
    • 公开了一种用于移动通信系统的反向闭环功率控制装置。 该装置包括:解调和PCB提取单元,用于接收从基站发送的通信帧,解调所接收的通信帧并提取具有分配的发送功率的上行或下行指令信息的PCB; CRC校验单元,用于相对于CRC校验CRC 发送到从基站发送的通信帧,控制单元,用于根据由解调和PCB提取单元提取的PCB输出发送功率上升或下降控制信号以及由CRC校验单元检查的CRC结果值,以及 功率调整单元,用于根据从...输出的发送功率上升或下降控制信号将移动台的发送功率提高到发送功率的最大值,并将移动台的发送功率降低到发送功率的最小值 控制器,从而实现对动员的权力的经济使用 e站,其基于适应CDMA方法并动态执行反向闭环功率控制的移动通信系统的移动台中的CRC(循环冗余校验)来判断前向链路和后向链路的传播环境。